CSI-ConveyanceReport 2012 FINAL Nov2012 Small

ContentsIntroduction ................................. 1

Highlights .................................... 2

Cool Technologies ....................... 7

Project Delivery Excellence .......16

Awards and Recognition ........... 23

New Faces in Conveyance ........ 26

Technical Activities .................... 33

Core Practice Areas .................. 36

Key Contacts ............................. 52

WBG092812202606MKE

2012 Annual Report

Conveyance & Storage Infrastructure

Core Practice Areas

WASTEWATER COLLECTION & WET WEATHER

TUNNELS & TRENCHLESS TECHNOLOGY

CONDITION ASSESSMENT & REHABILITATION

COMPUTATIONAL FLUID DYNAMICS

WATER DISTRIBUTION

DAMS & LEVEES

CONVEYANCE DESIGN

HYDROPOWER

Singapore

Connecting The Water WorldBY RICK NELSON

The Conveyance & Storage Infrastructure (CSI) Service Team continues to evolve to meet our mission of winning and delivering world class projects, attracting and retaining needed talent, and shaping and growing markets through technology innovation.

The addition of Halcrow has added tremendous capability to our team around the globe. We have added Hydropower, under the leadership of Eric Schulz, as a core practice area, and have reached out to the junior and mid-level professionals (Jumpers) in an effort to improve the organic growth of our team. The CH2M HILL CSI resume is impressive and continues to grow each year thanks to the dedicated efforts of all of our CSI practitioners. Our SharePoint site contains valuable materials and contacts to assist you in your project, proposal, and business development activities.

Similar to many other water market technologies, the key conveyance market drivers continue to increase in intensity and are expanding—population growth, aging infrastructure, regulations and litigation trends, securing long-term water supplies, sustainability, and the challenges of climate change adaptation and the water/energy nexus.

Conveyance & Storage

Infrastructure includes

services for Impoundments

(surface and subsurface),

diversion, transmission,

intakes, appurtenances,

pipes, canals, pump stations,

reservoirs, dams, levees,

tanks, water distribution

facilities, combined and

separate wastewater

collection systems, lift

stations, storage, transport,

CSO/SSO wet weather,

outfalls, reclaimed water,

dams, levees, hydropower

and computational fluid

dynamics.

Our people are the key to our success in the CSI market and throughout CH2M HILL. As we move forward we are increasing our emphasis on senior staff mentoring of junior staff, the JuMP initiative, succession planning, and training.

This 2012 CSI Marketing and Technology Report is available in our General Conveyance Library on our SharePoint site: 2012 - All Documents

Thank you to all our great people at CH2M HILL who make this service team work and thank you to all our clients who engage them.

INTRODUCTION

Rick Nelson

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https://communities.int.ch2m.com/wbg/technology/conveyanceresources/Shared%20Documents/Forms/AllItems.aspx

https://communities.int.ch2m.com/wbg/technology/conveyanceresources/Shared%20Documents/Forms/AllItems.aspx?RootFolder=%2Fwbg%2Ftechnology%2Fconveyanceresources%2FShared%20Documents%2F06%5FWork%20Products%2F2012

Innovation In Urban Conveyance PlanningThe CSI core practice areas have many highlights that provide insights into our people and technologies in practice and the many innovations that are being applied to CSI related projects around the world.

HIGHLIGHTS

For example, Halcrow specialists are supporting the UK water industry to

develop innovative new ways to plan future investment in urban drainage

(conveyance) systems. Working with Welsh Water we have developed a

specification for Sustainable Drainage Planning, an approach that uses

hydraulic models to predict current and future performance of the system

and allocates risk scores depending on the prevalence of flooding and

water quality impacts. Modeling results are combined with data around the

incidents of sewer blockage and failure. Improvements are then planned

that reduce risk scores in the most cost effective way considering the

whole life cost and the impact of risk factors such as climate change and

development growth. Our procedures will shortly be applied across Wales

by a team of consultants. In a related development, the Environment Agency

(similar to EPA) and OFWAT (the water industry economic regulator) have

asked Halcrow to develop a new framework for drainage planning that will

establish an industry-wide standard for this type of risk based planning.

Finally, we have been invited by UKWIR (a research funding body for the UK

water industry) to develop a framework for the appraisal of sewer separation

approaches; we are currently negotiating the project scope and fee.

One of our most important accomplishments this year has been achieving a

closer integration of our drainage planning and modeling people with our urban

water asset management capability. This has proved very attractive in the market

place and has resulted in the Wales, OFWAT, and UKWIR projects. This work

clearly demonstrates that we are recognized as important thought leaders in this

sector.

Conveyance Design Strategic Win and Project Execution Support for Major XBG Conveyance Project in Saudi ArabiaThe MENA region is a fast growing part of the world, especially as it relates to water transmission and supply. Our Energy & Chemicals (E&C) group in Abu Dhabi has worked extensively for a number of clients in the oil and gas industry in the region.

The E&C group in Abu Dhabi was approached earlier this year by a Contractor to help support design and procurement of the Yanbu-Madina Phase 3 Water transmission Project, a very large water transmission system in Saudi Arabia being delivered as an EPC project. The project consists of approximately 400 miles of high pressure pipeline (>1,000 psi) ranging from 24-inch to 76-inches in diameter. The $700M (US) project also includes massive pumping stations, eight 50 MG steel water storage tanks, and other facilities at more than 20 sites. The E&C group coordinated with the Water Business Group (WBG) to provide conveyance design technology support in a cross-business group approach with E&C.

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CH2M HILL will lead a process that includes consolidation of multiple objectives into a single long term strategy. The approach is based on three perspectives—control technologies, a watershed approach, and asset management.

The study was structured into an objective approach supported by Value Engineering. Stakeholder participation is central to the process, with the work plan designed to facilitate progressive information transfer, input, and decision-making.

The study is pivotal to the long-term direction for City’s Drainage Services branch, as it deals not only with the next generation of CSO controls, but also the combined effect of multiple programs and issues, the extent of benefits to the quality of the North Saskatchewan River, and the public’s perceptions.

HIGHLIGHTS: Innovation In Urban Conveyance Planning (continued)

Jeff Smith/SAC worked with the E&C team to develop a scope of work and level of effort, as well as joined forces with the E&C group to successfully negotiate a design contract with the EPC Contractor. After a few delays from the Contractor, our Cross Business Group (XBG) team recently began work on this project. The WBG is providing a seasoned conveyance design manager in Abu Dhabi (Scott Higbee/WPG) for the duration of the design phase (12-16 months), as well as a number of senior technology staff for a variety of disciplines to work with the E&C design leads and to provide review of all documents. Jeff is working closely with Scott to coordinate input and reviews from the senior technologists in the United States. In addition, Scott Williams/ATL is providing oversight and review of the complicated surge and hydraulics analysis being performed by a subcontractor located in Austria.

There has been close coordination between E&C design staff and WBG conveyance design staff. E&C and WBG are working as a single team to take advantage of the strong technical knowledge of conveyance design staff regarding water transmission systems coupled with the equally strong EPC delivery methods from the E&C staff. There are known similar opportunities in MENA related to large water transmission systems that are anticipated to be delivered using the same XBG model. This collaboration is expected to help provide our XBG team the experience and reputation to win additional work. Furthermore, this project helps provide a model for other strategic XBG opportunities in conveyance design and other traditionally strong WBG technologies.

City Of Edmonton, North Saskatchewan River

The City of Edmonton (City) selected CH2M HILL to develop a long term strategy for control of discharges from its combined sewers. The City is two-thirds of the way through implementation of a successful long term control plan but now must submit a strategy to the province’s regulatory agency (Alberta Environment) for further upgrades.

Since 1994, CH2M HILL has assisted the City in development of one of the most advanced CSO programs, and is now involved in developing a second key phase, which is challenging because the easiest to achieve options have already been implemented/ Continuing to reduce discharges through conventional technologies will become more costly with increasingly more marginal benefits.

The second phase will require more than just tweaking of conventional technologies, with the key to renewed success being to focus on a programmatic approach to identify less obvious alternatives that continue to make incremental improvements in a cost-effective manner.

Wastewater Collection & Wet Weather: Development of a Long Term Strategy for Control of Edmonton’s Combined Sewer Discharges, Edmonton, Alberta, Canada

3

Hydropower Water/Energy NexusWhile CH2M HILL has offered hydropower services since its earliest days, our delivery of this specialty has been limited in recent years, as energy and institutional drivers shifted. But the water-energy nexus has meant new client needs and new opportunities. Having just joined the other core technologies of the Conveyance and Storage Global Service team, this year has been one of re-establishing underpinnings and getting the word out. Staff in our Boise delivery center have provided a new SharePoint site, fact sheet, TAIBO session, and marketing and delivery support across North America. This, along with beginning the collaboration with Halcrow colleagues, whose delivery of the major civil features of world-class hydro projects around the world transforms our opportunity mix.

Offering our hydropower clients over 100 years of experience

The CH2M HILL name means innovation and delivery of world-class projects around the globe. We bring that same reputation and capability to hydropower projects, with their dam facilities, hydraulic structures, tunneling, penstocks, power plants, fish passage, unique regulatory context, and electric power transmission.

We can provide you with:

equipment selection

other institutional processes

and procurement

Contacts:

Eric Schulz—Boise, Idaho USA

+1 208.345.5310 [email protected]

Paul Williams—Swindon, Wiltshire UK

+44 (0)7734.15.9117 [email protected]

Iftikhar Drabu—Noida, India

+91 120.4682500; 4682503 [email protected]

www.ch2mhill.com


An industry leader in trenchless and tunnel

solutions and condition assessment and

rehabilitation of infrastructure.

With over 40 years of tunnel

project planning, management,

design and construction

management CH2M HILL

is ranked as a Leader by

Trenchless Technology

magazine (2010)

The Condition Assessment

and Rehabilitation Services

(CARS) Group offers owners

full service assessment, design

and rehabilitation management services for aging

infrastructure.

For more information visit www.ch2m.com or contact:Ina [email protected]

© 2011 CH2M HILL WBG120111062958DEN

Thames Tideway Tunnel Project

Interceptor Inspection, Anchorage, AK.

Condition Assessment Accomplishments Include…�� CARS support of the Puerto Rico Aqueduct and Sewer Authority (PRASA) - many compliance and asset

management projects, and Nine Minimum Control and Long-Term Control Plan development.

�� Johnson County Wastewater, Kansas - continued CARS type projects, but in particular, the pilot I/I studies underway evaluating the effectiveness of multiple rehabilitation technologies on both public and private property.

�� Award of the third phase of the Boston Water and Sewer Commission’s Citywide Illegal Connection Investigation Program where field investigations seek out building sewer connections discharging to storm drains in separated drainage areas of the City of Boston. Project has advanced the data handling process of huge amounts of field data and effectively uses web-based applications.

�� CARS staff continued delivery support of projects developed as part of large programs such as the Baton Rouge SSO Program where they have 108 active rehabilitation and design projects underway. Also, CARS staff are well into implementation of the Knoxville Utilities Board PACE 10 Program where the program will spend $530 million over a ten-year period to clean up area waterways and meet increasingly strict regulatory requirements. The same is true for the Omaha CSO Program that started implementation of the Long-Term Control Plan in 2010 and have a total of 87 projects identified to reduce the number of wastewater discharges from approximately 52 per year to 4 per year.

4


Dams & LeveesThis year CH2M HILL broadly announced our experience, capabilities, and commitment in the dam market by exhibiting at the annual Association of State Dam Safety Officials (ASDSO) Dam Safety Conference held in Denver this past September. Potential clients and industry contacts visited our booth to learn about our services, and many were happy to hear that CH2M HILL is officially extending our excellent global reputation to include a broad dams practice. The acquisition of Halcrow last year and our continued development of a strong nucleus of dam expertise in North America allowed us to tout world class capabilities to dam owners.

The ASDSO Conference is the leading dam-related conference in North America, attracting over 1000 participants each year, including regulators from all 50 states, federal agencies, dam owners, potential clients, and other consultants. All of our major competitors attend as Booth Exhibitors, so hosting our own booth provided us critical visibility and the opportunity to begin branding CH2M HILL as a market leader.

CH2M HILL provides full-service delivery, from planning and scenario analysis to project concept, permitting, engineering, procurement, construction, operation and maintenance, risk assessment and emergency planning, and removal. Our capabilities are second to none. In preparation for the conference, we combined the CH2M HILL/Halcrow marketing material to create an impressive company resume that was shared with those who visited our booth. The outcome was nearly a dozen fliers focusing on both our broad experience and various technical specialties within our practice. These fliers are available on the virtual office for use internally or when sharing our expertise with clients. Current flier topics, which are expected to expand, include the following:

�� A Legacy of Innovation & Excellence, the Merging of CH2M HILL and Halcrow

�� Dam and Levee Services�� Dam Core Practice�� Concrete Dams�� Embankment Dams

�� Dam Breach and Hydrologic Analyses

�� Advanced Hydraulics for Dams �� Seismic Evaluation of Dams�� Hydropower Services�� Fisheries and Fish Passage

CH2M HILL participants from the U.S. included Randy Bushey/GNV, Todd Cotton/PDX, Duane McClelland/SEA, David Bentler/DEN, Jaco Esterhuizen/CVO, and Rick Riker/CVO.

We were particularly excited about the participation of Alan Warren from the UK. Alan, who has been Halcrow’s Chief Engineer for Dams since 2008, traveled from the UK to improve our integration, participate in post-conference business planning, and represent our international capabilities. Alan brings nearly 30 years experience specializing in dams, and is a member of the UK All Reservoirs Panel constituted under the Reservoirs Act of 1975. Reservoir Panel members are responsible for dam safety of medium and large dams in the UK. Alan and his diversified Halcrow team bring an excellent reputation, significant technical expertise, and geographic diversity to our dams practice.

The ASDSO Conference and booth exhibit were a tremendous success. We are now taking advantage of the contacts made during the conference at our booth. It was awesome to hear from some of our long time clients (like Colorado Springs) that they were pleased to see us at ASDSO and several invited us to come and visit with them about our growing capabilities.

d t

Alan Warren

5


TunnelsThe most important tunneling group accomplishment in 2012 was initial collaboration and integration of Halcrow tunneling into CH2M HILL. Halcrow’s outstanding tunneling group brought us new technical capabilities, a much larger talent pool, and 120 years of tunneling experience. Prior to adding Halcrow and new CH2M HILL staff in 2012, CH2M HILL had approximately 35 to 40 staff dedicated to tunneling projects. Halcrow added 130 tunneling staff, increasing the total number more than 3 times to over 170. In addition to quality, all-around tunneling experience, Halcrow brought exceptional technical expertise in design and construction of: deep shafts, transit station boxes, precast concrete segmental linings, structural linings for underground structures, sprayed concrete (shotcrete) linings, sequential excavation method (SEM) linings, and more. Halcrow also brought additional experience on design-build projects.

CH2M HILL and Halcrow geotechnical and tunneling staff made substantial progress in 2012 establishing monthly coordination updates, understanding each other’s capabilities, exchanging technical resources (SharePoint and e-libraries), exchanging statements of qualifications, and managing the tunnel risk policy (310). Plans have been made for further integration and synergy for 2012 and beyond.

Integrating and Expanding our Water Distribution Testing CapabilitiesWith the integration of Halcrow’s Atlanta staff, we have significantly expanded our water distribution testing capabilities. Testing is performed on water distribution systems for several reasons:

�� Hydraulic model calibration data such as:– Pipe friction factors– Zonal diurnal demand patterns– Finding closed valves or incorrect pipe sizes– Hydraulic grade line calculations– Fire flow testing– Pressure monitoring– Transient pressure monitoring

102_CC

Global challenges. Real solutions.

Halcrow and CH2M HILL’s tunneling expertise evolved separately over many decades – both companies innovating and delivering ever-more impressive engineering solutions on some of the most demanding projects across the world.

Since our two great companies combined in 2011, we’ve been able to jointly leverage the very best project, program and construction management talent for the world’s most complex tunnel projects. Whatever your tunneling challenges – water, rail/transit, highways or utility, soft ground or hard rock – we can bring you the best tunnels team in the world.

To find out how we’re solving some of our clients’ greatest challenges, contact Mark Johnson on (212) 608 3990 or email [email protected]. You can also visit our websites: ch2mhill.com or halcrow.com.

Meeting underground challenges worldwide

Planning

Ventilationand

life safety systems

Finaldesign

Constructionmanagement

Our equipment includes the following, and is managed and maintained by George Kaufman/ATL. The equipment is available for use on projects anywhere and can be scheduled with Brian Skeens/ATL.

�� 8 Magnetic Insertion Flow Meters

�� 2 Transit Time Flow Meters

�� 50+ pressure loggers

�� 2 pressure transient loggers

�� Chlorine and fluoride handhelds

�� Pump performance testing

�� Meter accuracy testing

�� District metered areas (DMAs)

�� Water quality sampling

6

Cool Technologies

Infrastructure Modeling and OptimizationAs part of our CSI services, we develop and deliver many state-of-the-art models for our clients. InfoWorks ICS is being applied to projects in Glasgow and the Gloucestershire towns of Gloucester, Cheltenham and Tewkesbury. Our Halcrow team is integrating a model of the sewer network, a system of culverted watercourses, and overland flow in 2D.

Our modeling capabilities include full- scale optimization using genetic algorithm technology. Mason Throneburg/HCH and the optimization team completed a full-scale system optimization for the Evansville Water and Sewer Utility’s Long-Term Control Plan. The project team defined a range of potential storage, conveyance, treatment, and inflow reduction measures that could help reduce the frequency and volume of combined sewage overflows (CSO) into the Ohio River. The optimization process provides a structured, well-documented approach for comparing interdependent solutions at each CSO and identifying the most effective solutions for further evaluation. By combining automated evaluation of user-defined runs with CH2M HILL’s Shuffled Frog Leaping Algorithm (SFLA) for optimization, an expansive set of solutions was evaluated, highlighting benefits of specific technologies applied in combination. This process resulted in a high level of confidence in the components of a cost-effective solution, and illustrates the decreasing

marginal benefits of additional investment beyond the “knee of the curve.” The results of the optimization runs, including the typical-year confirmation runs, indicated specific technologies, and combinations of technologies, that were integrated into projects and provided cost-effective reduction in overflows.

Continuous Wet Weather Modeling SimulationAn important consideration in wet weather modeling is the impact that antecedent moisture conditions have on the response of the collection system. Our wet weather specialists completed a pilot study to simulate antecedent moisture conditions to calibrate rainfall derived inflow and infiltration (I/I) for sanitary sewer systems. The difficulty of modeling wastewater systems reliably given the spatially variable rainfall and changing groundwater conditions is one that has been expressed many times throughout the wastewater industry and shown schematically in the figure below. A project with the Metropolitan Sewer District of Greater Cincinnati (MSDGC) used one set of RTK (flow analysis) parameters for the entire year, while varying the initial rainfall abstraction parameters monthly. The RDII pilot study used a number of calibration events that were response events and that represented the impact of rainfall on the sewer system. The team was able to model the monthly variation of I/I into the sewer system as a result of changing soil moisture conditions. In the end, a method was developed to efficiently represent a full year calibration. This process allows analysis calibration of continuous rainfall data instead of from a single event. The findings from this Pilot Study were presented at WEFTEC 2012.

Changing Antecedent Moisture Conditions

Optimization Process

7

Investments In SimlinkThe global wet-weather team has invested in the CH2M HILL SimLink tool to improve its functionality as a toolkit for advanced systems planning. Much of CH2M HILL’s work involves alternative system designs, and simulating their performance against criteria representing client objectives. SimLink helps manage these alternatives, while decreasing user error and saving time. SimLink not only automatically modifies and evaluates models and extracts results, but stores all model changes and results for each evaluation, facilitating easy reporting or viewing in GIS. Specific project applications of SimLink in 2012 are listed in Table 1. The connection of SimLink to various data sets and output is shown in the next figure.

Tunneling Capabilities Increased With the Addition Of HalcrowThe addition of Halcrow has added significant technical staff and technology expertise that CH2M HILL did not previously have. Some of the “hottest” (and most valuable) technology skills added includes:

�� Global Expertise in Design of Precast Concrete Segmental Linings. CH2M HILL water projects with precast concrete segments include Blue Plains CSO tunnel in Virginia where Halcrow designed the segments for 7 km (23,000 ft) of 7 m (23-ft) internal diameter tunnel. Precast concrete segments are also being designed or installed on Lake Mead Intake No. 3 in Nevada for SNWA (external water pressure over 15 bar), Lee Tunnel (external water pressure over 8 bar), and Thames Tunnel in London for Thames Water, STEP tunnels in Abu Dhabi (external water pressure over 5 bar), the Rondout Bypass tunnel in New York (external water pressure over 20 bar), and several transportation tunnel projects. Halcrow previously designed the segments for the Arrowhead project in California where groundwater heads up to 27 bar (392 psi or 900 ft of head) were present.

�� Global Expertise in Sprayed Concrete (shotcrete) Lining Design and Construction. While CH2M HILL had capability and experience with shotcrete lining design, Halcrow brings sprayed concrete lining design expertise for complex and larger underground structures.

�� Large Diameter Tunnel Design. CH2M HILL had experience with design and construction of hard rock tunnels up to ~ 9.8 m (32 ft) ID and soft ground tunnels up to ~ 6.7 m (22 ft) ID, Halcrow brings experience in lining design for hard rock tunnels up to 13.8 m (46 ft) and soft ground tunnels to 11.3 m (37 ft). We used Halcrow’s expertise to help us win a fast-track conceptual design of 56 km (34 miles) of 13.4 m (44 ft) ID conveyance tunnel for a gravity pumping option on the Bay Delta project in California.

�� Sequential SEM-NATM Design. Halcrow added global expertise in designing soft ground and hard rock tunnels using the sequential excavation method (SEM) or New Austrian Tunneling Method (NATM). This method allows a more economic design of larger tunnels with non-circular sections and complicated geologic conditions.

In addition to the technology advances brought by Halcrow, CH2M HILL continues to be a global leader in preparation of geotechnical baseline reports (GBRs) and in particular, baselining potential obstructions such as cobbles and boulders. For example, we introduced this concept to a reluctant client in

Table 1 – 2012 Simlink Project ExperienceClient Project Application

USACE Great Lakes Mississippi River InterBasin Study

SimLink used to generate Infoworks level boundary files for 300 out falls in 196 simulations

Cincinnati MSD Water Quality Modeling

SimLink used to extract flow and pollutant concentrations from several outfall for multiple scenarios.

Newport, RI CSO Reduction Optimization

SimLink used to evaluate inflow/infiltration measures in combination with specific grey solution to identify cost effective CSO reduction strategy

Seattle Public Utility Green Infrastructure Modeling

SimLink used to model hundreds of green infrastructure scenarios over 5-year period to determine key design variables.

Cool Technologies (continued)

SimLink Diagram

8

Utah on the Northshore Aqueduct project where a challenging pipeline crossing was being designed. Our GBR and risk management measures were utilized to complete the tunnel without differing site condition claims or delays.

Finally, we are gaining valuable experience with tunneling under extremely high groundwater pressures. As of October 2012, the Lake Mead Intake No. 3 tunnel had advanced ~ 570 m (1,865 ft), of which over two-thirds was in high permeability rock with groundwater pressures ranging from 13 to 14 bar. The dual mode 7.2 m (24 ft) diameter Herrenknecht tunnel boring machine (TBM) has already set a world record for longest drive under pressure over 11 bar and has about 4 km (13,100 ft) of tunnel remaining of which approximately 40 percent is expected to require 12-14 bar of face pressure.

Our Design of Intake and Fish Screen Design Expertise Is UnparalleledCH2M HILL has unparalleled project experience in the planning and design of raw water intakes, especially those that involve fish screens. Our expertise was originally pioneered in the Pacific Northwest and has spread throughout North America. We are currently working on intake projects in Canada, and virtually all regions of the United States. Our success in this market is illustrated by our work in California in the experience figure showing the number of screened intake and related projects we have successfully implemented over the past 20 years.

One major factor in our success is the ability of CH2M HILL to combine the expertise of fisheries engineering specialists with the whole host of other design disciplines to provide complete project services. While it would be somewhat expected that a firm like CH2M HILL would have the full suite of design disciplines, one of our biggest advantages is the extensive experience record these disciplines have developed doing intake work in wet or marine conditions.

In addition to our design experience, the firm also has extensive hydraulic modeling, geomorphology, permitting, and aquatic biology expertise. Our expertise in the management of invasive species, especially Dreissenid mussels, further enhances the ability to provide full intake project services.

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Our in-house capabilities and experience record has recently helped us win several major high visibility projects. These projects include stand-alone intakes as well as projects where the intake is a small component of a larger project. In many cases, our intake expertise was leveraged to win the larger projects. Our experience is unparalleled in the consulting community, leading to greater efficiencies in positioning and winning work. We’re currently well positioned to utilize this reputation and performance history to win even more strategic projects.

Developing Sustainable Energy in HydropowerOur delivery of hydropower projects is not so much centered on particular innovations in this old, but ever more refined technology, as it is on bringing the range of our capabilities to solve the technical and institutional complexity of these projects. Every piece is mission-critical: large and costly machinery, major civil works, complex controls, intimate interrelation with a site’s hydrology and hydraulics, energy markets and grid interconnection, and involved regulatory processes. This longstanding delivery challenge is placed against the backdrop of change in climate and water supply, as well as new demands on our energy supply infrastructure – keeping abreast of potential solutions, everything from hydrokinetic turbine designs to the application of variable speed technology in pumped-storage projects, is always part of the picture.

Dam and Levee Risk Based SafetyThe Dam and Levee Practice developed a Best Practice (BP) for performing Risk Based Dam Safety evaluations. David Bentler/DEN led this effort. Risk-based engineering evaluations for dam safety is a powerful and important tool that utilizes a more meaningful approach to dam safety versus the traditional compliance standards approach. We are already seeing the benefits from this effort as we are now applying risk-based evaluations on some of our current dam projects.

A Dam Safety Risk Management approach offers many benefits to the dam owner and other stakeholders. These benefits include:

1. Reducing risk to the dam owner and the public.

2. Optimizing risk reduction programs.

3. Providing a non-technical basis for communicating dam safety risks to the public.

4. Systematic identifying and improving understanding of potential dam failure modes.

5. Improving dam safety management in the context of the owner’s business.

6. Providing an auditable, logical, and defensible approach for relating low-probability high-consequence dam safety risks to corporate governance.

7. Providing a process conducive to cost benefit analysis which aids in justifying dam safety capital and operating expenditures.

As part of the BP development, a workshop was held and facilitated by world class experts in Dam Safety Risk Analysis and Assessment. The facilitators were Dr. David Bowles and Dr. Loren Anderson, Utah State University and world leaders in dam safety risk assessment.

The workshop focused on the “How To” aspects of risk analysis and assessment, but also touched on a number of topics including the reasons that risk analysis and assessment is such a powerful and important tool to dam engineers and owners.

Best Practices For Performing Risk Based Dam Safety Evaluations

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Risk assessment allows dam owners and regulators to prioritize their dam portfolio projects, investigations, and dam safety investments. Risk management approaches are now widely accepted in business and regulation and are also accepted in principle in the international dam safety community Risk-based decision making allows defensible justification for dam safety decision making.

Some of the important differences and features between the “Traditional Approach” to Dam Safety versus a “Risk-Based Approach” are presented in Table 2.

Risk Analysis in Dam Safety is a rigorous approach with established protocols and requires facilitation by qualified experts. Having this BP now provides an understanding of the goals and benefits of the approach, and more importantly provides the appropriate protocols necessary in conducting Dam Safety Risk Analyses. As a result of using a Risk-Based evaluation on the Yukon Project the CH2M HILL team received the following feedback from our client, The Government of Yukon:

Table 2 – Comparison Of Traditional vs. Risk Base Approach For Dam Safety

Traditional Risk Informed

Safety judged by compliance with engineering standards and good practice

In addition to safety judged by compliance, Risk Analyses allows for making “the case” with reference to understanding of failure modes and tolerable risk (life-safety) guidelines

Focus on design loading eventsConsiders entire range of loading events and all significant failure modes

Engineers are prime safety “decision makers” through conservative assumptions, severity of load cases and defense in depth

Decision makers are informed by engineers through characterization of failure risk

Consequences of failure are usually limited to a “dam hazard” classification which only provides a very general interpretation of risk

Risk Assessments include rigorous estimation of potential consequences of failure

Compliance/goal are sometimes interpreted as “zero risk”

Risk Analysis and Assessments seeks to identify, understand and manage residual risk (failure modes and consequences)

Generally not well integrated with owner’s business processes

Risk Analysis and Assessments can be well integrated with owner’s business processes

“All:

As you may well know by now, one of my pet subjects in the project management domain is that of “lessons learned”. While we as project leaders are well equipped in dealing with things that go wrong on a regular basis (and learning from those experiences), an aspect that is so often neglected is to recognize and acknowledge when things go well. As such, I have witnessed a recent Faro project event which in my book qualifies as a huge success - the IPRP workshop on the Rose Creek Tailings Area held in Vancouver on August 29 and 30 - and have decided to highlight this as a bright beam of sunlight amongst the sometimes thunder clouds we see on any project.

I attended the workshop as an observer as part of the Medium Term Planning process currently underway. As it was my first exposure to the IPRP forum, I was extremely impressed with the effective, productive and pleasant manner in which the workshop was conducted. The task at hand was pretty awesome, considering the numerous heavy hitters in the room, enormous brainpower (I counted five PhDs!), variety of personalities and vested interests. And adding to the complexity was the fact that it was a combined workshop between the IPRP and CH2MHILLs Technical Review Board, with a room full of designers, technical experts and advisors.

I cannot see why this successful event should not become the norm on the Faro project. Successful project teams do not only learn from their mistakes, but also from their excellence. And the Faro team has all the potential to be a successful project team.

Enjoy your week.”

Significant progress has been made this year in developing and implementing a Risk Based Engineering tool for our dam practice. Continue progress is planned for next year so that we can expand the knowledge base in the CSI Service Team and advance risk based engineering evaluations to beyond our dam practice.

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CH2M HILL improved the inspection process using readily available mobile data collection devices and software customized to more efficiently collect catch basin essential data. From the mobile devices, the field staff could view the orthodigital GIS background, catch basins, sewers, view and edit attribute data, attach photos, and move structures if needed. The mobile field data collection proved very successful as it

�� Minimized office work for pre and post inspection activities,

�� Field crews could add or delete structures to correct map errors, and

�� Significantly increased inspection rates

Water Distribution Technology Integration with other Technology GroupsWater distribution technology offers a seamless integration with our other internal core technologies. While water distribution technology covers all aspects of the water cycle, many of our clients have cross-technology needs. Water distribution technology is partnering with other technology teams internally to win work and serve our clients in the following areas:


Condition Assessment of Infrastructure with Mobile Field Data Collection Solution Improves PerformanceThe City of Newport, Rhode Island owns and operates approximately 97 miles of gravity and force main sewer collection pipe delivering domestic, commercial, and industrial waste to one wastewater treatment facility. The gravity collection system includes both separated and combined sewers. The City executed a Consent Agreement (CA) in 1999 with EPA. A Combined Sewer Overflow (CSO) Long-Term Control Plan (LTCP) Implementation Project was a component of the CA. As part of the CSO LTCP the City conducted inspections to find interconnections between the sanitary sewer system and the storm sewer system.

The City has approximately 3,000 catch basins and in March 2011, CH2M HILL began inspecting the catch basins because they were suspected of being a large source of inflow into the sanitary sewer system from direct connections. The initial field inspection process included pre-inspection office work, perform field work collecting data on field notes, and transfer field notes to inspection forms.

GIS View From Data Collection Device

Mobile Devices Improved Production

�– Average inspection rate for paper: 14 catch basins/day

�– Average inspection rate for mobile device: 23 catch basins/day Energy Optimization Dashboard

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�� With Water Treatment, we work on energy optimization tools and keeping our eyes both on the plant and beyond the “fence”. We also interact on water quality because once it leaves the plant, water must be maintained to the point of customer delivery. Water quality considerations include chlorine residual modeling as well as tank mixing/turnover, and unidirectional flushing programs. All of these are done by water distribution technologists, but require a thorough understanding of the water quality leaving the treatment plant. In energy optimization, one of the most important considerations is the largest component of energy use in a water system is the high service pumps that deliver water from the plant to the distribution system. Our modeling tools help schedule these pumps to reduce energy cost and increase the efficiency of operation of these pumps; all is coordinated with water treatment operations to make sure solutions are implementable.

�� With Utility Management Services (UMS), we work on several fronts including non-revenue water and asset management. Non-revenue water consists of real or physical losses, otherwise known as leakage, which can be assessed and optimized for reduction by water distribution technologists. However, there is also a component of losses called apparent or monetary losses. These are losses that occur through inaccurate customer metering and billing or theft. Correction of these items falls squarely in our UMS practice and to deliver comprehensive non-revenue water projects, including all components of loss reduction, we work together. For asset management, we bring the consequence


of failure component to complete the equation that defines risk when likelihood of failure is considered. Our hydraulic modeling tools help us identify the criticality, or reliability on assets in a water distribution system by quantifying the amount of system that would be out of water, or when critical customers would lose water.

�� With Software Automation we continue to develop advanced system optimization tools. And with the addition of Halcrow’s suite of optimization tools, we are expanding our capabilities.

Optimization Tools

In water distribution, modeling tools are often used to help look at various operational and infrastructure solutions so that the best one can be identified. This often involves multiple criteria like pressure, flow, quality, and energy. The best solution is one that meets all of the criteria with the lowest cost. This cost can be represented by capital, operational, environmental, or any other costs. To do this traditionally, trial and error is used to test different solutions until one works, often with limited time to tweak and optimize the solution. Many times, budget and schedule constraints limit the number of evaluations that can be performed. Now, with optimization tools, hundreds or even thousands of combinations of solutions can be evaluated.

There are several types of optimization tools for use on water distribution projects. Which one is used depends on the type and objective of the project. They can be grouped into operational optimization and capital optimization, although some of the tools can do both. The point of these optimization tools is that they use advanced algorithms and techniques to consider thousands of combinations of solutions to find the most optimal.

Water Distribution Technology Integration with other Technology Groups….continued

System Input (allow for

known errors)

Authorized Water

Consumption

Water Losses

Real Losses

Apparent Losses

Unbilled Authorized

Consumption

Billed Authorized

Consumption

Billed Metered Consumption

Billed Unmetered Consumption

Billed Water Exported

Revenue Water

Unbilled Metered Consumption

Unbilled Unmetered Consumption

Non-Revenue Water

Unauthorized Consumption

Leakage at Service Connections Up to Point of Customer Meter

Metering Inaccuracies and Data Handling Errors

Leakage of Transmission and Distribution Mains

Leakage and Overflows at Storage Facilities

Water Audit

Optimization Process

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Capital optimization tools help to optimize new infrastructure projects (pipes, pumps, tanks, valves, etc.) while minimizing life-cycle costs. CH2M HILL technologists have many tools to choose from in this area. First, many of the modeling software packages come with built-in or add-on optimization modules (Bentley Darwin Designer and Innovyze Designer). These tools are limited in their capabilities, but CH2M HILL has developed some internal tools for capital optimization with advanced algorithms. This internal optimization has been used on several projects already and has allowed us to improve the capabilities of this tool. CH2M HILL also has a long history of working with partners in the optimization field, most notably Optimatics, which has successfully worked with CH2M HILL on over a dozen projects.

Operations optimization tools help to optimize energy usage and cost, as well as improve water quality. Some of these are done offline, while others are implemented in real-time to save energy cost. Again, modeling software packages have modules for this. CH2M HILL has internal capabilities for offline analysis through Halcrow’s ENCOMS software. Additionally, CH2M HILL has partnered with Derceto to implement real-time operational analysis at two large water utilities.

Starting CH2M HILL’s Smart Water Grid InitiativeThis year, CH2M HILL began a marketing initiative led by Brian Skeens, the Water Distribution GTL. This initiative includes representatives from UMS, Water Treatment, OMBG, and Halcrow. The goal of the initiative is to:

1. Define a Smart Water Grid and its components

2. Showcase the components of a Smart Water Grid that CH2M HILL is already implementing

3. Create a brand for CH2M HILL’s Smart Water Grid

4. Expand our implementation experience of the Smart Water Grid and its components


A Smart Water Grid is the monitoring, integration, modeling, and optimization of water quantity, water quality, and energy in a water distribution system. CH2M HILL is implementing components of Smart Water Grids as listed below:

�� Contaminant Warning Systems and Online Water Quality Monitoring

�� SCADA and Automation

�� Real-Time Hydraulic Modeling

�� Real-Time Water Quality and Energy Optimization

�� Advanced Metering Infrastructure

�� District Metered Areas

Currently we are finalizing our branding for CH2M HILL’s Smart Water Grid solution. The initiative is planned to continue in various aspects into 2013.

Smart Water Grid Components

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Project Delivery Excellence

Integrated Pipeline Project, Lake Pump Stations Final Design – Tarrant Regional Water District and Dallas Water Utilities

The Integrated Pipeline (IPL) Project is a raw water supply program that integrates some of the east Texas water supplies of the Tarrant Regional Water District (TRWD) and the City of Dallas Water Utilities (DWU). These supplies originate from Lake Palestine, Cedar Creek Reservoir, and Richland Chambers Reservoir southeast of the Dallas-Fort Worth Metroplex. The IPL Project will be developed over the next 20 years and will provide raw water to both TRWD and DWU. It includes raw water pipelines, raw water intakes and pumping stations, booster pumping stations, and storage reservoirs.

New lake pump stations are provided at each water supply reservoir as follows:

�� Joint Cedar Creek Lake Pump Station (JCC1) — 277 mgd pump station with new lake intake

�� Joint Richland Chambers Lake Pump Station (JRC1) — 250 mgd pump station using an existing lake intake

�� Lake Palestine Lake Pump Station and Intake (LP1) — 150 mgd pump station with new lake intake

These lake pump stations will be the water supply for a large raw water transmission system leading to the Dallas-Fort Worth Metroplex. CH2M HILL completed the preliminary design report for the three lake pumps stations and intakes in May 2012 and the final design phase was authorized in September 2012. The work involves the preparation of plans and specifications, plus the full spectrum of special support services for the design of these key water supply pump stations and intakes.

Two of the pump stations include new tee-style fish screened intakes with an innovative panel and guide rail mounting system that will allow water to be drawn from any 4 four depth increment. Large intake channels will be excavated in the lake bottom from the intake screens to deep water to allow the two new intakes to withdraw water even if the lakes are at a very low stage. The intake screens feed large wet wells where the pump bowls will be set inside an innovative open-top can arrangement at the bottom of the structure. Computational fluid dynamics and physical modeling will be conducted to help ensure proper pump suction conditions in the wet wells.

The pump stations all involve the use of large vertical turbine pumps with variable speed drives to allow them to be operated within the high efficiency preferred operating range of the pumps for all expected flow scenarios. JCC1

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includes seven 3,500 hp pumps; JRC1 includes six 3,500 hp pumps; and LP1 includes five 4,000 hp pumps. All pumps operate at 4,160 volts and each one is controlled by a variable speed drive. Hydraulically actuated pump control ball valves are used on each pump discharge piping train to facilitate start-up, shut down, and surge control. Each pump discharge assembly will also include a Venturi-type flow meter to allow individual and total station flow paced operation.

A chemical addition facility is included at each station to provide chlorine, ammonia, and sodium hydroxide injection for pH and bio-film control, as well as to help combat expected future infestations by Zebra mussels. Each pump station will be constructed on a site adjacent to their respective supply lake and full site development design is also included.

The design will be conducted in 3-D with interactive client reviews. Value engineering and constructability reviews are included in the work to help deliver the best possible system. The work involves innovative design, construction, and operational strategies in most disciplines. The complete packages will represent some of the most energy efficient and sustainable pumping facilities that can be provided for such a large and energy intensive life-line function

TunnelsCH2M HILL and Halcrow supported many challenging WBG water conveyance tunneling projects in 2012. Among them are: Hanlan Feeder Main design in Toronto, Blue Plains CSO tunnel design-build in Virginia, Lake Mead Intake No. 3 construction in Nevada, Ute Reservoir Intake in New Mexico, Mill Creek tunnel design in Ohio, Rondout Bypass tunnel design in New York, Lee Tunnel construction in London, Thames Tunnel design in London, STEP tunnel construction in Abu Dhabi, conceptual planning of interceptor tunnels for IDRIS in Doha, Qatar and many more.

One of the most interesting projects is Lee Tunnel in London. The 6,9 km (22,600 ft) long, 7.2 m (23.6 ft) ID, ~ £635 million (US$1 B) Lee Tunnel project is being built by Thames Water to prevent 16 million m3 of sewage from being discharged into the River Lee each year during wet weather

Project Delivery Excellence (continued)

events. The tunnel will connect Abbey Mills pumping station and Beckton sewage treatment works in east London, and with three huge ‘wet’ shafts will provide temporary storage for up to 400,000 m3 (106 million gallons) of sewage and stormwater. A fourth ‘dry’ shaft will house a downstream pumping station to the WWTP.

The Lee Tunnel is being bored through fractured chalk (a weak limestone) at depths up to 75 m (246 ft) using a 8.86 m (29.1 ft) diameter Herrenknecht mix-shield tunnel boring machine (TBM) called Busy Lizzie. The TBM utilizes a bentonite-polymer slurry to provide up to 8 bar of face pressure to resist groundwater pressure, provide face stability and convey the liquid “muck” to a separation plant at the ground surface. As the TBM advances, 350 mm (13.8 inch) thick, 7.2 m (23.6 ft) ID fiber reinforced precast concrete segments are installed within the shield to form a ring and are then encapsulated in a two part grout as the TBM pushes the segments from the shield into the ground. This is one of the largest and deepest precast concrete segmental linings designed with only steel fiber reinforcement without steel reinforcing bars. After tunneling is complete a secondary corrosion resistant lining will be constructed by placement of 300mm (11.8 inch) thick, fiber reinforced cast-in-place concrete.

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Wet Weather in Onondaga County Green CSO Abatement Program, Syracuse, NYApproximately 4 billion gallons of combined sewage are generated annually in Onondaga County (OC), New York, with approximately 85 percent currently captured for treatment. However, almost 600 million gallons of untreated combined sewage still reaches Onondaga Lake and its tributaries annually. In 2008, with court approval, construction was halted on three CSO treatment facilities and large transmission conveyances to re-evaluate their CSO Consent Decree. A new plan was developed to incorporate a large green infrastructure (GI) program to replace portions of the remaining gray facilities. This new program would have to be developed in less than one year to incorporate GI on an unprecedented scale and allow the County to increase its CSO capture to 95 percent. In September 2009, the Federal Court amended the consent judgment and implementation of the new plan began.

CH2M HILL developed the CIP by categorizing impervious cover data, developing a GI calculator to assess runoff reduction potential, prioritizing hundreds of identified GI opportunities, developing numerous concepts and initiatives, and detailing development schedules.

CH2M HILL leads a committee of representatives from OC and other local stakeholders in reviewing applications from private property owners who wish to implement GI to receive funding. In 2011, over 60 GI projects were implemented during construction season, all being overseen by CH2M HILL.

NPDES/MS4 Management: Annual reports are required for both the green and gray infrastructure aspects of the program, with overall CSO reduction goals increasing from the current 84 percent to 95 percent by December 31, 2018. In addition to the database for compliance tracking, CH2M HILL is using EPA’s Stormwater Management Model for hydrologic and hydraulic modeling.

As Program Manager, the CH2M HILL team oversees completion of pre-design activities on all designs, including obtaining owner/user permission; preliminary field work such as surveying, soil infiltration testing, environmental assessments, structural assessments; and permits and approvals. CH2M HILL is responsible for approximately 70 percent of the GI designs and is supporting the design of an additional 20 percent of the projects.

.

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Condition Assessment of York Region’s Sewage SystemThe Regional Municipality of York owns and operates 93 km of forcemains, 185 km of gravity mains, and 1.8 km of siphons, which make up part of the York Durham Sewage System (YDSS). The Region continues to implement comprehensive condition assessment practices for its gravity mains, but until now, has not performed any condition assessment of its forcemains. In general, as forcemains age, they potentially can pose a higher risk than gravity mains to the overall system, as they operate under pressure and can fail catastrophically, however, they are harder to inspect.

The forcemain condition assessment pilot utilized Pure Technologies SmartBall® and G1 Robotic Crawler inspection platforms. The SmartBall was used to detect and locate any leaks or gas pockets along the 900 mm Newmarket Forcemain, carried out while the forcemain remained in service. In addition to knowing where wastewater is leaking into the environment, leaks can also identify weak pipe sections that need to be repaired before more damage is done. The presence of gas pockets in forcemains can indicate build up of H2S gas, which can turn into sulfuric acid and attack the inner lining of the main.

In addition to gathering information on the structural condition of the mains, which were generally in good overall condition, valuable information was obtained with regard to the debris in the forcemain, which was resulting in significant limitations in operational capacity, and this information will be helpful for forward budgeting purposes with regard to developing contracts targeted at maintenance/cleaning of the mains.

In addition to feeding into the short-term cleaning program, the information obtained from the condition assessment was used to obtain an understanding of the likelihood of asset failure, which, when combined with the consequence of failure (disruption to service, damage to other facilities, impact on the public, etc.), provided the Utility with a good understanding of the relative risk ranking of the different sections of the main, which has subsequently been used by the Region, as a robust, defendable prioritization approach for determining its longer term capital maintenance requirements.

Using Innovative Inspection Techniques for Collection Systems Engineering Support In Cincinnati, OhioSince 1991, CH2M HILL has maintained an ongoing multi-year contract with the MSDGC to provide collection system engineering support in connection with sewer investigations and remedial action including flow monitoring, infiltration/inflow analyses, rehabilitation and program development and planning.

In 2001, CH2M HILL began providing onsite supplemental field representative staff to MSDGC. As a follow-up to the Short Term Capacity Plan, CH2M HILL is providing detailed manhole inspections in order to provide documentation to the Ohio EPA for developmental credits once the manhole rehabilitation work is completed. In addition to field work, CH2M HILL also developed contract documents for the rehabilitation work and a database and associated forms for logging the data and calculating the potential available credits. A QuickView camera is used to perform the inspections and digitally record the specific defect that will be repaired in each manhole. These pictures can also be linked to the inspection reports through the database. Specific tasks include:

�� Identifying manholes tributary to specified sanitary sewer overflows

�� Conduct manhole inspections per ASCE MOP 92 criteria as approved in the Short Term Capacity Plan

�� Document defects using a Quickview camera


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Large Diameter Interceptor Condition Assessment in Anchorage, AlaskaCH2M HILL provided a condition assessment of over 90,000 feet of large diameter sewers and performed flow monitoring in very difficult to access sites for the Anchorage Water and Wastewater Utility (AWWA).

Physical inspections were implemented using a tiered inspection approach. Over 240 topside manhole and pipeline inspections were conducted using digital zoom video cameras during the initial tier. Deficiencies were identified and the next tier for advanced inspections was implemented using in-pipe closed circuit television (CCTV) and sonar to inspect approximately 90,000 feet of pipeline. Finally, CH2M HILL’S subcontractor, RedZone® assisted with multi-sensor robotic and laser inspections for only the most challenging assets to inspect. For example, long reaches of pipeline without manhole access occurring in areas such as the mudflats. By identifying only those lines needing advanced and more expensive inspections, CH2M HILL helped AWWU innovate a cost effective solution for their long-term goals.

In addition to confronting heavy snows, extreme temperatures, and up to 50 mph wind gusts, some manholes were buried under up to 12 ft berms of snow created by snow plows. The crews also faced major equipment challenges, developing processes and procedures to overcome such issues as frozen LCD screens,

fog filled pipelines, and intermittent cellular signals. Access to manholes often required special permits in areas such as mud flats, wetlands, and railroad ROWs or transportation to difficult locations by ATV or snow mobiles.

Use of CFD Analysis For Improving Grit Basin Performance In Nashville, Tennessee

The operation of wastewater treatment plants over time can push facilities beyond their intended design target. Often unintended consequences can arise due to deviations from the design flows. This can lead to poor performance. Modifying facilities to adapt to increased flows or grit loading can be a challenging and expensive process. CFD provides a flexible and inexpensive alternative for evaluation of physical modifications to existing facilities. As CFD tools and processes continue to evolve and become more robust, new and complex evaluations methods are becoming available. This includes particle performance and distribution in a grit basin based on specific sizes and densities such as those found in wastewater processes.

CFD analysis was used to evaluate the hydrodynamic features and particle dynamics within an existing grit basin. This study compared the particle distribution within the grit basin at average and peak flows, with and without intermediate baffles.

The goal of the project was to provide alternatives for improvements to operation of the grit basin. The CFD analysis showed that the currently installed baffles were not improving the grit performance at peak flows.

As a preliminary study, the CFD analysis provided useful information for determining future strategies for addressing high grit loading at the wastewater treatment plant. It was an effective tool for evaluation of potential alternatives and visualizing anticipated results for those modifications.

Water surface in the grit basin under peak flow With baffles

Particle distribution in the configuration baffles

Without baffles


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CFD Analysis of a Non-Newtonian Fluid In a Digester Mixing Tank in Spokane, Washington

Design of wastewater treatment facilities often entails mixing of various flow streams and flow distributions at varying densities and viscosities. The wide variety of fluid properties can make digester mixing tank design and operation challenging. Adequate mixing and flow distribution in a digester can be a critical component of the overall treatment plant performance. The required mixing is often accomplished by various recirculation pumping scenarios within the digester. It can be difficult to accurately evaluate the effectiveness of this type of mixing and flow distribution over the wide range of fluid property scenarios. Therefore, it is important to evaluate the complex hydraulics associated with these structures to ensure adequate mixing is achieved without over mixing and wasting energy.

CFD analysis was used to assist with the evaluation and operation of the egg-shaped digester. The mixing tank consisted of a lower, mid, and upper mixing pipe, which could operate different mixing scenarios based on the number of pumps that were on and the direction of flow. Digester biosolids with greater than 2 percent solids can behave like a non-Newtonian fluid and not like water. The goal of the project was

to evaluate the mixing time of the non-Newtonian fluids to confirm sufficient mixing. The CFD modeling consisted of evaluating flow distribution of the proposed design over a wide range of flow scenarios.

The CFD analysis was an effective design tool for evaluating the complex flow patterns associated with the mixing and flow distribution of non-Newtonian fluid. It provided valuable design and operational guidance for selecting the most appropriate pump configuration considering both mixing characteristics and flow distribution. The insights gained from the CFD analysis were useful in assisting designers and operators in understanding the flow characteristics of the biosolids in the wastewater treatment plant egg-shaped digester.

CFD Analysis of the Flow Distribution In Water Treatment Plant, Eugene, OregonFlow in a water treatment plant often assumes even distribution of flow between multiple basins. Varying the inlet and outlet conditions can have a significant impact on the overall distribution and the uniformity of the flow split. Each basin’s inlet flow patterns can also significantly control the general flow patterns or short circuiting that can occur in a slow moving basin. To improve treatment performance, the Eugene Water and Electric Board (EWEB) wanted to better understand the flow distribution between three sedimentation basins and the flow characteristics of each basin.

CFD analysis was used to help trouble shoot the known short circuiting issues and uneven flow distribution between the sedimentation basins. Numerous inlet riser and outlet filter combinations were analyzed to determine the best combination for even flow distribution. Various “what-if” scenarios were modeled that provided an evaluation of several modifications such as removing large baffle walls, changing inlet diameters, removing outlet paths, etc. These alternatives were evaluated over a range of flows to better understand performance throughout the changing annual demands.

The CFD analysis provided powerful graphics to compare against operator

Velocity distribution contours and streamlines of the fluid velocity throughout the egg-shaped digester with two pumps operating for water and biosolids.

Tracer distribution study with one pump operating illustrating mixing effectiveness with time for water and biosolds.


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experience and confirm the model was simulating real world conditions. It illustrated the impact of short circuiting and dead zones in the basins so that alternative configurations could be developed to improve performance. It provided a cost effective method for identifying the preferred geometry changes.

CFD provided valuable design guidance for selecting the most appropriate basin configuration that improved overall flow distribution and minimized short circuiting potential. The insights gained from the CFD analysis were useful in determining effective flow distribution options for the water treatment plant.

Dams & Levees Flood Prevention For White Cart Water Flood Storage Reservoirs, Scotland, UKThe White Cart Water flood prevention scheme is a holistic catchment scale solution to prevent flooding that has blighted the south side of Glasgow for many years and was implemented and funded by Glasgow City Council. The scheme was designed by Halcrow and constructed by Carillion and VolkerStevin between 2008 and 2011.

The scheme protects 1,750 properties and businesses from the risk of flooding and will prevent over £100M flood damages. The White Cart Water is prone to flash-flooding where water levels can rise significantly after only 12 hours of rain. Since 1908 it has inflicted more than 20 serious floods on homes and other properties. In January 1984 over 500 homes were devastated by flooding.

In 2002 the development of a flood alleviation scheme commenced based on catchment management principles looking for a solution that stretched beyond the city boundaries. Constructing three large flood storage reservoirs in rural areas upstream to hold back the water during storm events enabled downstream flood defences along the river in the urban areas to be reduced in both height and length. This reduction has significant benefits not only in engineering terms but more importantly in the associated visual and environmental impact. High walls would have been undesirable as they would have created a barrier between the river and its wildlife and those that live and work alongside it. In addition to protecting houses and businesses in the area from flooding, the scheme seeks to protect, complement and enhance the natural environment.

Together the three flood storage areas, located at Blackhouse (Earn Water) in East Renfrewshire, Kirkland Bridge (White Cart Water) and Kittoch Bridge (Kittoch Water) in East Renfrewshire and South Lanarkshire have the capability to hold back more than 2.6 million cubic meters of flood water.

Central to the successful operation of the storage areas was the installation of the world’s largest Hydro-Brake flow control devices into the three dams at each storage area. The Hydro-Brake’s internal geometry is designed

Tracer Study Showing The Flow Distribution Through The Original Bay Configurations Over Time.


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to enable water to flow unrestricted through it for as long as possible. A self-activating vortex is created when the water upstream reaches a pre-determined height in a flood situation, throttling back the water, and releasing it at a controlled rate. The flow controls reduce the frequency and duration of flooding at each storage area, which is essential given that most of the land upstream remains in productive agricultural use. The flow controls offer an efficient fail-safe, passive method of flow control. They do not need power to operate, and once installed, they can be left alone to do their job with minimal maintenance for the foreseeable future.

A number of awards for this project include:

�� Saltire Award 2011 – Project Commendation

�� Waterways Renaissance Awards 2012 – Winner in the flood risk management category

�� CEEQUAL – Excellent Whole Project Award

�� British Construction Industry Awards 2012 – Winner in the Environment Category

�� Considerate Constructors – Silver and Bronze National Awards

Water Distribution Cocoa Water System Modeling and Capital Planning, City of Cocoa, FloridaThe City of Cocoa water utility serves the communities of Cocoa, Cocoa Beach, Cape Canaveral, Rockledge, Merritt Island, Vieira, areas of unincorporated Brevard County, and large customers of Titusville, Patrick AFB/Cape Canaveral Air Station, Kennedy Space Center, and Port Canaveral.

CH2M HILL began the development of a water distribution model for Cocoa in 2011, and then Cocoa decided to expand the project to include an extended period simulation (EPS) distribution model, water system component evaluation, regulatory and usage demand projections, asset management, capital planning, and project prioritization.

Extensive field data was collected for model development and calibration purposes. Cocoa’s water distribution system was divided into three major districts to generate diurnal demands and collect field data. Insertion-rod flow meters, pressure monitors, and live SCADA data was used to calibrate the model to a very high level of confidence.

The calibrated EPS water distribution model was then further enhanced to model water age and chlorine residuals. This water quality model was validated with field sampling results and then used to simulate modifications to improve water age and chlorine residual throughout the system.

Based on system deficiencies identified from the hydraulic analysis as well as the water quality analysis, infrastructure improvements were identified to strengthen the overall system, including improvements to pressure buffering, fire flow availability, and overall water quality. These improvements were incorporated into the overall capital planning and prioritization program for the utility’s water system.

Additionally, the calibrated water distribution model is being used to develop a unidirectional flushing program, specifically targeting areas that have reported customer complaints.

Flood Control Structure Kittoch Water Site


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Awards and Recognition

1 Rick Riker has been selected to receive the CH2M HILL Q3 SOAR Excellence Award for Leadership for his work in building the Dams & Levee practice.

Lee Tunnel - won two ICE awards: Infrastructure Award , and “The Greatest Contribution to London Award”

2The Thames Water Lee Tunnel Project has been awarded the top trophy at the ICE London Civil Engineering Awards 2012. Thirteen infrastructure and building projects were shortlisted for the annual awards, delivered in association with Speedy. A total of six projects received honours including King’s Cross Station, the Blackwall Tunnel, Cannon Place and Exhibition Road. In addition to winning the overall award, the Lee Tunnel project also received the Infrastructure Award, sponsored by CH2M HILL.

32012 ACECNJ Engineering Excellence Distinguished Award recipient: The CH2M HILL design team for the Hoboken project received this recognition.

4Ethan Ford/DEN won a JuMP West External Conference Grant to attend the August 2012 ASCE Pipelines Specialty Conference in Miami.

5Phil Ryan/RDD won the West WBG SOAR Committee Award for Outstanding Leadership for 2011

6In January 2012, Don Del Nero/ATL was elected to serve a two-year term on the North American Society for Trenchless Technology (NASTT) Board of Directors. The NASTT Board of Directors, comprised of 19 individuals selected from the society’s members, govern affairs in the best interest of the Society and its members.

7The Jordanelle Dam Hydroelectric Project for Central Utah WCD, delivered by the Boise office, was selected as the cover photo for the brand new ASCE Penstock manual of practice. The welded-steel penstock tapped an existing outlet works conduit at this existing federal dam located near Herber City, UT.Commissioned in 2008, the project is certified by the Low Impact Hydropower Institute, won an ACEC honor award, and was recognized by ENR/Intermountain Contractor with a Best of ’08 civil-infrastructure award.

ee

Media partners

Deadline for entries: Friday 14 December 2012

ICE London Civil Engineering Awards 2013 Application Pack

Deadline for registration of intent: Friday 9 November 2012

ice.org.uk/londonawards

ICE London Civil Engineering Awards

awards

2013

Thames Water Lee Tunnel Project, winner of the Greatest Contribution to London and Infrastructure Awards 2012

ICE L dICE Lo dICE London CiCE London Civil En ivil Engi i

wards 3

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82012 No Dig Award for Silver Sponsorship of Annual No Dig Show.

9Halcrow recognized as leader in drainage planning by UK Water Agencies. Our colleagues at Halcrow are recognized as important ‘thought leader’ in the sector of drainage planning, modeling, and urban water asset management as we continue to help the UK water industry plan its future investment in conveyance systems. A closer integration of our drainage planning and modeling people with our urban water asset management capability has proved very attractive in the market place and resulted in the three important commissions highlighted below. Halcrow specialists are supporting the UK water industry develop innovative new ways to plan future investment in urban drainage (conveyance) systems. Working with Welsh Water, we have developed a specification for Sustainable Drainage Planning, an approach which uses hydraulic models to predict current and future performance of the system and allocates risk scores depending on the prevalence of flooding, and water quality impacts. Modeling results are combined with data around the incidents of sewer blockage and failure. Inventions are then planned which reduce risk scores in the most cost effective way considering the whole life cost and the impact of risk factors such as climate change and development growth. Our procedures will shortly be applied across Wales by a team of consultants.

10In a related development, the Environment Agency (UK government agency concerned mainly with rivers, flooding,

and pollution, similar to USEPA) and Water Services Regulation Authority, or Ofwat (Regulator of water and sewerage providers in England and Wales) have asked Halcrow to develop a new framework for drainage planning which will establish an industry-wide standard for this type of risk based planning.

11We have been invited by UK Water Industry Research, or UKWIR (a research funding body for the UK water industry) to develop a

framework for the appraisal of sewer separation approaches.

12Onondaga County Green CSO Abatement Program Wins Recognition from Federal and Local Government Agencies The

U.S. Environmental Protection Agency singled out Syracuse and Ononadaga County as environmental leaders, and has named the Syracuse area one of the 10 communities across the nation that are demonstrating smart “green” practices. Among them, Onondaga

The Onondaga County Green CSO Abatement Program Was Highlighted As An Emerald City In NRDC’s Rooftops To Rivers II Report Released In Nov 2011.

July 2011, Bob Perciasepe, EPA Deputy Administrator, Recognizes Onondaga County and Syracuse As A “Green Infrastructure Partner”

Awards and Recognition (continued)

24

County has adopted green strategies led by CH2M HILL as the Program Manager to help the County update its CSO program to incorporate green infrastructure and gain regulatory acceptance of the revised program in a new Consent Decree. The Green CSO Abatement Program was also highlighted as an Emerald City in Natural Resources Defense Council’s (NRDC) Rooftops to Rivers II report released in Nov 2011.

13Rick Nelson/KCO Receives WATERiD DUG (Database User Group) Award: Rick Nelson/KCO will be honored at the 12th Annual UIM

Asset Management Conference Awards Dinner on Wednesday, November 28, 2012 in Arlington, Virginia as the recipient of the WATERiD DUG (Database User Group) Award. Rick is being acknowledged for his volunteerism and contribution to the development, implementation, population, and testing of the Water Infrastructure Database. For more information visit http://waterid.org/ or http://waterid.org/content/database-user-group-dug

14In December 2011, CH2M HILL was recognized as the No. 1 Trenchless Design Firm for the second year in a row. Quality

work and good trenchless-tunneling service to clients are credited for this recognition. Our diverse staff and team culture allow CH2M HILL to provide complete, integrated trenchless design services including: conveyance planning, hydraulics, geotechnical, tunneling, structural, civil, environmental and construction management.

Halcrow was very successful at the 2011 NCE International Tunneling Awards in Hong Kong winning the International Tunnel Adviser of the Year category and also collecting a highly commended award and 3 shortlisted awards for other categories. This was a well deserved reflection on the great work that the Halcrow tunneling staff have being doing on some of the most notable tunnel projects currently underway around the world.

CH2M HILL and Halcrow also continued to obtain recognition through technical paper writing and presentations at North American Tunneling 2012, NASTT No-Dig 2012, WEF Collections 2012, ITA World Tunneling Congress 2012 in Bangkok and Colorado School of Mines short courses. CH2M HILL Tunneling Awards

Awards and Recognition (continued)

25

In August, Larry Billhartz joined the firm as a senior hydropower engineer and project manager. Larry recently retired from the Eugene Water and Electric Board, where he has served as Principal Engineer for a $150M program of fish passage and power plant improvements on the Carmen-Smith Hydroelectric Project. His career spans 35 years of hydropower and other energy-related work for utilities. Larry will join CH2M HILL’s Carmen-Smith team on that ongoing project, as well as serve in a range of other hydropower engineering and project management roles.

Jadranka Simicevic/BTR has over 15 years in the fields of trenchless technology and underground infrastructure. In addition to research and engineering activities in these fields, she has extensive experience in technical information searches, database software development and the presentation of technical information.

Dr. Dingfang Liu, PE, was hired as a Water Engineer in the Boston office. He has over 17 years experience in water and wastewater treatment, stormwater management, hydrology/hydraulic modeling, collection system distribution modeling, and aquatic chemistry. Dr. Liu has over 12 years of experience in Urban Watershed Wet-Weather Management including CSO planning/design, stormwater runoff quality and quantity management design/study, hydrology/hydraulic modeling, stormwater treatment research/design. He has published numerous peer reviewed journal papers in this field.

Dr. Suibing Liu, PE, was hired as a Water Engineer out of the Cincinnati office. He previously worked for CDM Smith in their Orlando office. He has more than 11 years of experience in wastewater collection system and stormwater modeling using: SWMM, InfoSWMM, PCSWMM, Mike Urban, Infosewer, and InfoWorks. He worked on various projects in Florida, Virginia, New York, Georgia, and Saudi Arabia during his previous employment. Dr. Liu started with CH2MHILL on August 6 and is currently working on multiple modeling projects in Cincinnati, Evansville, and Cleveland.

Yan Hartkemeyer, PE, has returned to CH2M HILL (employed from 2003-2008) after working with CDM Smith from 2008-2012. She is experienced in water and wastewater system hydraulic modeling and master planning, water treatment design, water quality studies, wastewater treatment design, sewage system evaluation and rehabilitation, and hazardous waste remediation. She has her BS in Environmental Engineering and MS in Civil Engineering. Ms. Hartkemeyer is currently working in the Cincinnati office on water distribution and collection systems projects within the Northeast region.

Larry Billhartz

Jadranka Simicevic

Dr. Dingfang Liu, PE

Dr. Suibing Liu, PE

Yan Hartkemeyer,

PE

New Faces in Conveyance

26

Xia starts in the Atlanta office in November 2012. She will be working with our modeling practice in water distribution and wastewater collection. She brings nearly 10 years of experience, and has a good range of modeling background, in addition to conveyance design experience.

Halcrow Atlanta StaffThis year, we integrated with the staff from Halcrow’s Atlanta office. They have several key staff with water distribution experience, listed below.

Elio Arniella has over 35 years of planning, design and hydraulic modeling for water supply and wastewater management. He is particularly qualified in regional planning for integral management of water, wastewater, and water resources management projects. He has been recognized as an international expert in the area of Non Revenue Water (NRW) reduction and of making water utilities more efficient and sustainable. His expertise in NRW reduction include: pressure management, DMAs, energy optimization, monitoring, water audits, meter replacement, and NRW component analysis.

Ernesto Gianella has over 18 years of consulting engineering experience in the planning, design and financial evaluation of water and wastewater systems. He is a specialist in hydraulic modeling, surge analysis, optimization, pressure management, and model calibration for water and wastewater systems.

Matt Sellers brings over 7 years of experience in water distribution, hydraulic modeling, and a variety of non-revenue water (NRW) and energy optimization studies.

Xia Zhu

Elio Arniella

Ernesto Gianella

Matt Sellers

New Faces in Convenyance (continued)

Water Distribution

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Dave Beck, P.E.

Brian Hamilton,

PG


TunnelsDave Beck/BOS, P.E., has over 39 years of experience as a Professional Civil/Structural Engineer with expertise in planning, designing and managing construction for heavy civil infrastructure and marine projects including work on two of the world’s largest oceanic tunnel outfalls associated with world class waste water treatment plants. Mr. Beck has a proven track record of bringing complex projects to completion ahead of schedule, with few change orders and high quality of completed work. Mr. Beck’s approach to construction management is based on his experience early in his career with the onshore fabrication and offshore installation of North Sea Oil Platforms. He was utilized these basic principles to develop effective programs for managing heavy civil work including the construction of deep shafts and tunnels.

Mr. Beck has extensive experience in construction management. He has been a Construction Manager/Resident Engineer on numerous heavy civil and marine construction projects utilizing a variety of construction techniques such as large pile installations, bulkhead construction, slurry wall construction, tunneling work, dredging operations, construction of large concrete structures, rail installations, installation of large equipment and installation of buried utility services. He has extensive experience on mega-projects which include construction of transportation facilities, two of the world’s largest oceanic outfalls, two of the larger CSO Tunnel Projects, vertical shafts on land and in water, slurry walls for cut-and-cover tunnels, bridges, power plants, remediation work, large water pumping and treatment facilities, commercial construction of site work and buildings, and renewable energy projects.

Brian Hamilton/TOR, PG, has more than 24 years experience on a wide variety of heavy civil infrastructure projects including various rail, transit, water/wastewater, highways, and mining related structures. His experience spans all stages of these projects from planning and exploration to the final design and construction phases. He has extensive design and project management experience and has coordinated work on large multidisciplinary teams, served as resident engineer during construction, and provided construction dispute resolution services. Brian has expertise in integrating designs with associated structures and systems into larger facility design packages. He is skilled in determining the constructability of designs throughout all stages of development.

In 2012, four new tunnel engineers joined our North American tunnel group: David Beck/BOS, Brian Hamilton/TOR, Kevin Akbarpour/TOR and Richard Taylor/NYC. David is the construction project manager for the recently won CM contract on the Kaneohe-Kailua CSO sewer Conveyance Tunnel in Hawaii. Brian is the Senior Project Manager on program management for Metrolinx on the Eglington-Crosstown light rail tunnel project in Toronto. Kevin is also part of the program management team providing CM services on the Eglington-Crosstown light rail tunnel project in Toronto. Richard will be working on a variety of TBG and WBG tunnel projects from his base in New York.

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Kevin Akbarpour,

P.Eng.,

Richard Taylor


Kevin Akbarpour/TOR, P.Eng., is a Civil Engineer with 20 years of progressive experience in North America and overseas. He has worked on many water, wastewater, and transit tunnel projects throughout North America and is currently assigned to the Eglinton- Scarborough Crosstown Twin Tunnels project (ESC TT) with CH2M HILL/Metrolinx as a project manager. Kevin is specialist in project management, program management, construction management, tunnel design, contract document administration, preparation of technical specification, cost risk analysis, productivity analysis and cost engineering for underground projects. His expertise covers a broad range of tunnel techniques for high and low strength rocks and soft ground using excavation methods such as Earth Pressure Balance Tunnel Boring Machines (EPB TBM), rock TBM and drill and blast. He has significant construction management experience involving large dam and underground power generation such as Karun III Dam in Iran which also involved major tunneling work. He has worked on airport and highway projects providing design of pavement for runways, drainage and structural work as well as coordination with mechanical and electrical engineering disciplines. Kevin is highly experienced in proposal preparation, design review, constructability review and checking of construction drawings.

Richard Taylor/NYC. In 2011, Richard Taylor completed his degree in Engineering (Civil / Project Engineering Management) with honors at the University of Sydney and began his career as tunnel engineer in Halcrow’s Sydney office specializing in civil / tunnelling infrastructure design, and project management. He is capable of carrying out structural design, verifying third party designs, and developing analysis models for structural drawings. He has supported design of several tunnel projects including: the Ulan Ventilation Shaft, Blue Plains Tunnel, and Brisbane Airport Link. During late summer of 2012, he moved to New York and in September he started work in the New York Halcrow office of CH2M HILL. Richard will be working with both TBG and WBG tunnel engineers on projects across North America.

Spotlight on Dams PeopleThis year has been a fantastic year for our Dam and Levee Practice. We have seen significant growth and development. Our portfolio of projects has grown and we are positioned to see significant growth in development next year thanks to many people and their interest in seeing our practice area become a major part of WBG’s portfolio. We are poised to become one of the Top Five Firms practicing in the dam and reservoir market. Particularly note worthy has been the efforts of both Randy Bushey/GNV and Duane McClelland/SEA particularly in pushing for greater internal awareness and for organizing efforts for achieve a focused approach to our internal and external marketing. A special thanks and recognition is owed to both.

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Randy Bushey has been instrumental in both advancing our internal awareness around our Dam & Levee practice in the Eastern United States and in leading the execution of significant dam work in the SER.

At the start of this year Randy was asked to help focus the expansion of our dam and levee capabilities both internally and externally. Working with Scott Williams, SER RTL for Conveyance, Randy has been participating in Scott’s monthly RTL calls. These calls have allowed Randy a forum to facilitate discussion around business opportunities for the dam and levee practice area. Randy has been highlighting his activities in Florida and as a result has created a broader awareness with key Business Group Service Leaders, sending a message that CH2M HILL is a leader in dam design doing significant dam and levee work in the SE and around the world. In June of this year Randy (and Project Manager Kerstin Kenty/Tampa) made a Live Web presentation of to a large contingency of WBG service leaders on the 80-acre reclaimed water storage Boyette Road Reservoir Design and construction project. The forum for this Live Web was WBG’s Stuart’s (Stuart Jeffcoat) Technology Tuesday. Feedback is that this presentation increased our internal audience nationally.

Randy has also been a key leader in the delivery of the Tampa Bay Water Reservoir Renovation Project, where CH2M HILL is serving as the owner’s “Design Criteria Professional”. This is a very important and significant project role that has opened doors in many other areas of the SER. On the Tampa Bay Water project Randy has been busy facilitating, participating, and managing, a distinguished Peer Review Panel consisting mainly of experts in dam engineering. A highlight in these activities was earlier this year when Randy coordinated and participated in a reservoir embankment Risk Analysis and Assessment Workshop. The workshop provided for significant advancement of our dam practice tool set and now serves as resume builders for our Dam & Levee Team..

As the past Bureau Chief of the Bureau of Mining and Minerals Regulation, Florida Department of Environmental Protection, Randy continues to maintain a strong relationship with the Dam Safety Engineer and the Bureau Chief. This relationship has provided access to the Bureau staff in an informal agenda to discuss the portfolio of dam project on which Randy participates. Because of this relationship, the State Dam Safety Officer ask Randy to assist him in preparing a FEMA/ASDSO grant training program on Embankment Stability and use of Geomembrane, for which CH2M HILL provided three instructors (Randy, Bo Bruner, and E. Randy Underwood). The classroom included statewide water management district engineers and regulatory officials. The increased communication provided by this relationship has allowed for many benefits.

The ability to grow the dam and levee practice has been greatly enhanced through Randy’s activities and his excellent relationship with clients and regulators in Florida. Thanks, Randy!

Randy Bushey

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Duane McClelland

This past year Duane McClelland has taken a leading role in promoting our dams practice internally and over the past 2 years has served as the key leader in the integration of our Dam Practice with the WREM Technology Group. This year Duane lead a joint WREM/Dams technology/marketing initiative with support from Kathy Freas and Laurens van der Tak to expand our dams market, especially around complex, phased projects that can benefit from a broad WREM toolset of solutions, and of which dams are a critically important part. Recognizing that dams are a nexus for many broader WREM disciplines and initiatives, the goal was to advance the dam practice in general so that it could be a source of strength for broader planning work and complex projects, and to take a more holistic and long-term view of market opportunities that leverage CH2M HILL’s market-leading strengths. The addition of Halcrow to the CH2M HILL family of companies has significantly added to our bench strength in dams and water resources; therefore the integration of our respective teams added further impetus to moving forward with this initiative.

The high-point of this initiative was a 1.5-day planning workshop, held September 20 and 21 in Denver following the ASDSO conference there. Rick Riker, Alan Warren, Randy Bushey, Kathy Freas, Laurens van der Tak, Ken Hall, Mark Bransom, Gina Wammock, and Lori Irvine joined Duane as workshop participants. Contributions were also made by Bryan Harvey, Michael Kirchner, Jody Debs, Catherine Lang, Meg Ibison, Kyle Hamilton, and Tuck Wai Lee among others.

The ultimate objectives of the workshop were to lay the foundations for a successful business plan and marketing plan to grow our dam practice worldwide. As such, we explored the broad market potential (good); the position of our major competitors (strong); our potential to grow from our current market position (excellent); key market drivers and opportunities in the U.S. market and globally (identified about 40); the importance of alternative financing, such as P3, and integration with ongoing company initiatives; a realistic and balanced perspective on risk (dam work is often less risky than other work we do routinely, when properly managed and staffed); benefits to local offices and CSMs/CPMs pursuing dam work (many); key internal and external strategies; specific pursuit opportunities; and business planning and marketing priorities for 2013.

A key conclusion of the workshop is that not only are we well positioned to leverage existing relationships to expand into dam markets, including complex dam/WREM nexuses: water, energy, environment and food security (WEEFS), but, in fact, we have a moral obligation to do so.

Duane is to be commended for his tireless efforts to grow our dam practice.

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Junior Conveyance Technologist GroupThe Junior Conveyance Technologist Group was launched in August 2012 with the mission of increasing junior and mid-level staff involvement within the technology and to backfill the gap in the conveyance technology talent pipeline. The primary goal of the Conveyance Junior Technologist Group is to address the issue of too few junior and mid-level staff getting involved in the conveyance technology career path. With senior technologists starting to retire in the next 5-10 years the group intends to bridge the knowledge gap between senior and junior staff to maintain CH2M HILL’s reputation as an industry conveyance leader. The group facilitates communication and mentoring opportunities between the junior/mid-level staff and Conveyance Leadership to enhance the technical abilities of the staff, provide a channel for the leadership team to reach out to the junior/mid-level staff and effectively chart out a succession plan. The purpose of the group is to provide a forum for junior conveyance technologists to:

�� Network with fellow Conveyance Technologists

�� Collaborate on new ideas

�� Identify mentors/mentees

�� Stay informed of industry happenings

�� Align themselves for future leadership roles within the technology

To date this group has put on two separate brownbag presentations. The first presentation was geared to give an introduction to the goals of the Junior Technologist group, to get everyone excited for the group and to join the mailing lists. The 2nd presentation was a targeted presentation on Wastewater Collection and Wet Weather technology. Both of the presentations were a success and had great participation. Going forward, the intent of the presentations will be to highlight available initiatives that junior staff could participate in or else focus on interesting and unique projects which fall within the highlighted Community of Practice. The goal is to avoid presentations which have a lot of routine facts, but rather focus on presentations highlighting unique aspects of the technology or opportunities to get other staff involved. If you are interested in getting involved with the Junior Conveyance Technology Group, please fill out a quick survey here:

https://communities.int.ch2m.com/WBG/jump/Mentorship/Lists/Conveyance%20Technology%20Group%20Survey/overview.aspx or contact the Steering Committee.

Susan Moisio/CINGTL Wastewater

Collection and Wet Weather Planning

Brian Skeens/ATLGTL Water Distribution

Nalin Sahni/CLE

Brad Bettag/DEN

Ethan Ford/DEN

Brindha Dhanasekaran/PHX

Steering CommitteeLeader Coordinators

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Technical Activities

Inside and Outside in the Water WorldThe previous section outlined all of the outstanding project work the CSI team has been doing in the various core technology areas. This section focuses on our branding and reputation, as well as opportunities for professional networking and learning.

Our CSI professionals are very active in numerous professional organizations—from attending conferences and presenting papers to publishing articles and sitting on committees and forums we are learning and sharing and building our market share around the world.

The following pages outline our activities over the past year

Research/ManualsTitle Author(s) Organization

Methods for Cost-Effective Rehabilitation of Private Lateral Sewers

G. Alan Johnson/LWR

Water Environment Research Foundation

Manhole Inspection and Rehabilitation 1994 and 2009 Update Richard Nelson/KCO ASCE Manual of

Practice No. 92

Guide to Managing Peak Wet Weather Flows in Municipal Wastewater Collection and Treatment Systems

Mark Wade/LWR Water Environment Federation

Existing Sewer Evaluation and Rehabilitation WEF MOP FD-6 Dan Hegwald/LWR Water Environment

Federation

Dispersion Mechanisms and the Effect of Parameter Uncertainty on Hydrologic Response in Urban Catchments

G. Alan Johnson/LWR

Water Resources Research

Improved Understanding and Prediction of the Hydrologic Response of Highly Urbanized Catchments through Development of the Illinois Urban Hydrologic Model

Richard Nelson/KCO Water Resources Research

Prevention and control of Sewer System Overflow WEFMOP NoFd-17 Mark Wade/LWR Water Environment

Federation

Steel Penstocks, Second Edition ASCE Engineering Practice No. 79

Chris Sundberg/SEA Second edition

contributorASCE Practice No. 79

Workshops/Training/Learning Events/TAIBOsConference/Seminar Presenter/Author Date

TAIBO – Water Intake Capabilities and Experience Phil Ryan/RDD September 12, 2011

TAIBO - Dams, Reservoirs & Levee Services

Rick Riker/CVO Duane McClelland/SEA

Randy Bushey/GNVFebruary 13, 2012

TAIBO - Non-Revenue Water Reduction Services

Yakir Hasit/PHL Brian Skeens/ATL

Elio Arniella/HalcrowApril 9, 2012

TAIBO - Energy in their Future – Developing Hydropower Potential with Water Clients

Eric Schulz/BOI June 11, 2012

Technology Tuesday – How Technology Contributed to the Recent Tarrant Regional Water District IPL Project Win in North Texas

Jerry Snead/DFW Greg Welch/DFW November 15, 2011

Professional Organizations and SocietiesSociety Person Activity/Role

5 Cities Carey Brand/STL Coordinating activities

ASCE J. Felipe Pulido/FTW Technical Committee: Pressure Pipe Design for Water and Wastewater MOP

ASCE Phil Ryan/RDDPipelines 2013 Conference: Technical Tour Chair. Steering Committee Member,

ASCE Walt Schwarz/DFB

Pipeline Location and Installation Committee-Vice Chair, Sustainable Design of Pipelines Task Committee - Chair, Thrust restraint Task Committee Member, Trench Bedding, Backfill and Shoring Task Committee

ASCE Pipeline Division Scott Williams/ATL Transient Analysis Task Committee – Chairman

33

Professional Organizations and Societies (continued)

Society Person Activity/Role

5 Cities Carey Brand/STL Coordinating activities

ASCE J. Felipe Pulido/FTW Technical Committee: Pressure Pipe Design for Water and Wastewater MOP

ASCE Phil Ryan/RDD Pipelines 2013 Conference: Technical Tour Chair. Steering Committee Member,

ASCE Walt Schwarz/DFB Pipeline Location and Installation Committee-Vice Chair, Sustainable Design of Pipelines Task Committee - Chair, Thrust restraint Task Committee Member, Trench Bedding, Backfill and Shoring Task Committee

ASCE Pipeline Division Scott Williams/ATL Transient Analysis Task Committee – Chairman

ASCE Pipeline Division Rick Nelson/KCO Advisory Committee (ADCOM)

ASCE Pipeline Division Rick Nelson/KCO Chair – Underground Pipeline Asset Management

ASCE Pipeline Division Vinta Varghese/KCOUnderground Pipeline Asset Management (UPAM) – General Member; Task Committee to UPAM: Technical Committee – Guidance for Condition Assessment for Gravity Sewers/Vice-Chair

ASCE Pipeline Division Doug Jenkins/ATL

Pipeline Infrastructure Committee (PINS) ; Underground Pipeline Asset Management (UPAM) – General Member; Task Committee to UPAM: Technical Committee – Guidance for Condition Assessment for Gravity Sewers/Chair; Task Committee to UPAM: Technical Committee – Guidance for Condition Assessment for Water Distribution Systems/General Member

AWWA Doug Jenkins/ATLSubcommittee Member, AWWA Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Water Transmission and Distribution Standards Committee (C605, C900, C905, C907, M23)

AWWA Brad Phelps Committee Member ANS/AWWA D110 – Wire –and – Strand –Wound Circular Prestressed Concrete Water Tanks

AWWA Jerry Snead/DFW Subcommittee Member, AWWA Air Release Valve Standards Committee (C512, M51)

AWWA Terri Tovey/SEA Chair – C302 Committee /Voting member of C300, C301, C303, and AWWA D100 Committees

AWWA Chris Sundberg

Committee Member, AWWA Steel Pipe Technical Committee (C200, C203, C205, C206, C207, C209, C210, C213, C214, C215, C216, C217, C218 C219, C220, C221, C222, C223, C224, C225, C226, C227, C228, C229, C602, C604 and M11). Committee Member, AWWA Steel Tank Technical Committee (D100, D102, D103, D104, D106, D107, M42) Committee Member, AWWA Concrete Pressure Pipe Technical Committee (C300, C301, C302, C303, C304 and M9)

AWWA North Central Texas Chapter Jerry Snead/DFW Vice-President (2012)

AWWA North Central Texas Chapter J. Felipe Pulido/FTW Programs Chair - (2012)

AWWA Texas Section Jerry Snead/DFW Water Distribution Committee Member

AWWA Standards Committee #263 Scott Williams/ATL Polyethylene (PE) Pressure Pipe and Fittings (C906)

Central States Water Environment Association

Nancy Schultz/MKECollection System Committee Member Watershed Committee Member

Clean Water America Alliance Pat Karney/JAX Board Member

Engineers without Borders Nalin Sahni/CIN Technical Mentor - EWB University of Cincinnati Chapter; Member Greater Cincinnati Professional Chapter

Environmental and Water Resources Institute (EWRI) Hydraulic and Waterways Council

Kevin D. Nielsen/CVO Hydraulics and Waterways Council Elected Vice Chairman 2009-2011

Technical Activities (continued)

34

Technical Activities (continued)

Society Person Activity/Role

NACWA Pat Karney/JAXNACWA Coordinator, Committee member: Biosolids, Legal, Regulations, Facility and Collection, and Utility Management

Niagara College Canada (NCC) Jack Hellinga/KWO Member of Program Advisory Committee for Civil Technician Program

National Society of Professional Engineers

Nancy Schultz/MKE Member

North American Society for Trenchless Technology (NASTT)

Don Del Nero/ATL 2011 Program Committee and 2011 Session Leader

North American Society for Trenchless Technology (NASTT)

Jack Burnam/SEA 2011 Program Committee Member

WEAT North Texas Chapter Brigit Afshar/DFW Treasurer 2012

WEF Nancy Schultz/MKECollection System Committee (CSC)0020 Steering Committee Member Co-leader of Radar Rainfall Analysis Tool project.

WEF – Florida Water Environment Assoc

Walt Schwarz/DFBSteering Committee - Member Scholarship Sub-Committee - Member Collection Systems Committee – Vice Chair, Seminar Sub-Committee Chair

WEF Susan Moisio/CIN Collection Systems Committee Member – Technical Practice Committee Steering Group

WEF Reggie Rowe/MGM Collection Systems Committee: Government Affairs

WEF Nalin Sahni/CINStudent and Young Professional Committee Member; Sub-committee – WEFTEC Community Service Project; Planning Sub-committee – YP Summit 2012

Western Canada Water Environment Association

Dave Taylor/CGY Treasurer

Wet Weather Partnership Pat Karney/JAX Budget for Conference Sponsorship and Attendance

Professional Organizations and Societies (continued)

35

Over the past few months, the CSI service team has been working on a series of 2-page Fact Sheets that provide an overview of each core technology. These are easy to insert in business development and proposal efforts (see following pages). These Fact Sheets are posted on the Virtual Office “Mall”, as well as available in Word and PDF format on each technology’s SharePoint page.

Core Practice Areas

Water managers face complex challenges related to population growth, increasing water supply uncertainty, climate change, regulatory changes, and increasing demand for integrated watershed solutions.

Our vision is to lead the development and implementation of fully integrated solutions for water cycle management, providing sustainable water supplies for people and the environment.

CH2M HILL’s CSI Services include eight core technologies— Wastewater Collection and Wet Weather; Tunnels & Trenchless; Water Distribution; Conveyance Design; Condition Assessment and Rehabilitation; Dams and Levees; Hydropower; and Computational Fluid Dynamics.

Condition Assessment and Rehabilitation ServicesThe Condition Assessment and Rehabilitation Services core technology under the CSI Global Service Team offers

advanced inspection, assessment, and rehabilitation services that help our clients address aging and damaged

infrastructure by determining its condition and evaluating the need for, and selection of the most cost-effective repair,

rehabilitation, and replacement solutions.

Condition Assessment and Rehabilitation Services (CARS) includes:

Planning effective inspection and data handling approachesAnalyzing data and information to determine condition statusSelecting and implementing rehabilitation technology

Our broad understanding of the tools and applications for infrastructure assessment helps us determine the most cost effective, long-term solution that produces the least

level-of-service disruptions to our clients.

CARS experts know how to apply their knowledge and experience to each unique infrastructure challenge, regardless how large or small the project.

Condition AssessmentsCondition assessments provide key infrastructure performance information that enables us to determine the asset’s remaining useful life; whether more advanced inspection analysis is needed; or whether immediate corrective action is needed to avoid catastrophic failure.

Our inspections and assessments help restore and improve conveyance systems and transmission systems for wastewater, stormwater, and water systems around the world.

Service offerings range widely and can include activities such as:

Short-term and long-term flow and rainfall monitoringCSO and I/I programsI/I quantification and prioritizationAsset location, identification and inventory mappingManhole, pipe, and pump station inspectionsCondition and predictive scoringSSES evaluationsCorrosion monitoring and analysis

A force main coupon is used to assess this damaged pipe’s integrity and the extent of necessary repairs36

Large diameter gravity analysisPressure pipe analysesCondition assessment data collection protocols, work order decision logic, and systems integration supportCondition assessment trainingAsset management condition scoring, remaining life, and lifecycle cost analyses

Rehabilitation ServicesCH2M HILL CARS is a leader in the application of rehabilitation technologies that assist in overcoming service challenges and renew and rehabilitate deteriorated buried infrastructure.

Trenchless rehabilitation techniques help to preclude or minimize roadway and railway traffic effects and business and social disruptions. They can also help avoid negative effects on rivers, lakes, wetlands, sensitive wildlife habitats, aesthetic values, historic and archaeological sites, and other sensitive and valuable resources.

Perhaps just as important, trenchless technologies can be more

cost-effective than open-trench methods of construction and replacement of subsurface utilities. Service offerings range and include activities such as:

Rehabilitation alternative evaluation and designTrenchless technology development supportTechnical and performance specifications review and updatesLife-cycle cost-based rehabilitation recommendations

Field Testing ServicesCH2M HILL offers clients in-house field services and equipment, as well as access to experts in our construction and operations business groups. The following types of integrated field testing services and tools include:

Manhole inspectionsCCTV and smoke and dye testingZoom cameraFlow monitoringHydraulic grade line testingPump capacity/efficiency curve testingC-factor testingFire hydrant flow testingDistrict diurnal flow testingPressure transient testing

Conveyance Industry LeadershipCH2M HILL’s CARS staff is active in every major U.S. professional organization through committee work and authoring technical papers at national and regional conferences and workshops.

We have also contributed to a number of industry-leading infrastructure publications such as the WEF’s Guide to Managing Peak Wet Weather Flows; ASCE Journal of Pipeline System Engineering and Practice; WEF’s Methods of Cost-Effective Rehabilitation of Private Lateral Sewers; ASCE MOP 92 Manhole Inspection and Rehabilitation; and WEF MOP FD-6 Existing Sewer Evaluation and Rehabilitation.

Advanced petrography testing on core samples is often used to determine the interface boundary between good and poor concrete


Contact UsReggie Rowe Phone: 205.657.8459 [email protected]

Rick Nelson Phone: 816.533.7312 [email protected]

Core Practice Areas: Condition Assessment and Rehabilitation Services (continued)

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Core Practice Areas




Computational Fluid Dynamics and Advanced Hydraulics ServicesThe Computational Fluid Dynamics (CFD) and Advanced Hydraulics Services core technology under the CCSI

Global Service Team offers specialized hydraulic analyses that solve clients’ complex flow problems in water,

wastewater, water resources, conveyance, or any other hydraulic structures in an easily visualized environment.

Computational Fluid Dynamics (CFD) provides detailed 3 dimensional simulation of multi-phase fluid flow and provides us with the ability to solve very complex hydraulic flow problems.

It is used on everything from feasibility studies, preliminary designs, final designs, modifications during construction, operation and maintenance improvements, and water quality compliance evaluations to troubleshooting problems.

CFD technologists have used the technology to analyze

Digester and storage tank mixing characteristicsClarifier flow patternsUV train distribution and hydraulicsDiffuser and plume concentration patternsAir entrainment and air-water two phase flowPump intake hydraulics and swirl angle

Complex flow control box hydraulicsScreening structures and intakesVortex dropshaftsNumerous other closed conduit, open channel, steady and unsteady, complex hydraulics

CFD also provides tremendous flexibility in visualization to help understand flow characteristics and explain design benefits to stakeholders and design team members.

CFD provides valuable assistance to a variety of CH2M HILL conveyance and storage projects. The software and hardware capabilities continue to progress, providing ever more powerful tools for evaluating complex hydraulic flow problems.

Waterhammer AnalysisHydraulic transients, also known as surge or waterhammer, are high or low pressure waves that have been generated by velocity changes in full pipelines containing incompressible fluids such as water.

Color coded velocity streamlines show the flow path through the serpentine channel and into the flow distribution orifices at this water treatment plant

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Hydraulic transients are typically caused by pump startup and shutdown or valve opening and closure. They can also be caused by the operation of specialty valves such as check valves, air release valves, and pressure reducing valves.

Sometimes these hydraulic transients are relatively benign, causing only noise and slow pipe deterioration. However, sometimes they can be serious, causing pipe collapse or rupture, joint movement, and structural damage. The magnitude of these pressure fluctuations is a function of the velocity change and system characteristics.

Because these pressure fluctuations can often exceed the safe operating conditions of the piping and system appurtenances, hydraulic transient analysis should be performed as part of the system analysis and design. The Advanced Hydraulics Group has evaluated numerous systems worldwide to

determine potential causes and results of hydraulic transients. For these systems, we have also designed control and mitigation devices to maintain pressures within the required design constraints.

Mitigation alternatives have included surge chambers, surge relief valves, air admission/air release valves, surge arrestor valves, surge tanks, bypass lines, and pump flywheels. Our vast experience and understanding of transients and mitigation alternatives allows us to select the most appropriate solution to meet the client’s specific

requirements.

Physical Hydraulic Modeling SupportThe Advanced Hydraulics Group has provided support for the design, construction, operation, data collection, and report generation of numerous physical hydraulic models.

These models have evaluated flow measurement and control, pump system design and operations, fish passage, system hydraulic losses, river flow patterns, and general performance of hydraulic structures.

Several recent models have been associated with combined sewer overflow systems and have included intercepting and diversion structures, vortex generators, drop shafts, and de-aeration structures. These have included development and operation of sophisticated physical hydraulic models to investigate both hydraulic performance and detailed measurements associated with air transport and management.

The Advanced Hydraulics Group has often used CFD modeling in conjunction with physical hydraulic modeling to maximize the benefit of both modeling methods.

Physical hydraulic model of vortex generator, dropshaft, tunnel adit, and tunnel

Contact UsKevin Nielsen Phone: 541.768.3347 [email protected]

Example pump station with surge chamber


Core Practice Areas: Computational Fluid Dynamics and Advanced Hydraulics Services (continued)

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Core Practice Areas




Conveyance Design ServicesThe Conveyance Design core technology under the CSI Global Service Team operates in tandem with other core

technologies to offer the delivery of significant multidisciplinary conveyance projects. Their services extend from

planning through detailed design and construction for all types of conveyance facilities for the full spectrum of our

clients.

Conveyance Design includes all types of facilities that convey raw water, potable water, reclaimed water, wastewater, and stormwater. Key services include:

Implementing the full spectrum of services from preliminary route and site selection through detailed design and construction supportEstablishing and maintaining standard details and specifications for pipe materials to facilitate design deliveryEmploying alternative delivery approaches for construction delivery and prepurchase of materials and equipmentUsing advanced tools such as 3D design, parametric cost estimating (CPES), and simulation models to enhance project delivery effectiveness Using an innovative approach to pipeline route and facility site selection processesApplying state-of-the-art soil-pipe interaction design parameters to provide the most cost effective large diameter pipe solutions

Typical facilities include pipelines (gravity and pressure flow); pump stations/lift stations; flow control and metering stations; river and lake diversions and intakes; fish passage and protection structures; water distribution, sanitary sewer, and storm drain systems; canals/siphons/ canal structures; and reservoirs and storage structures.

Conveyance design touches on virtually all elements of the water cycle and our projects regularly involve all engineering disciplines. Our integrated Conveyance Design team brings experience and resources to deliver complex projects under any challenging situation. Example projects include:

3D facility design enhances project communication with all stakeholders and promotes effective design discipline coordination

Southern Nevada Water Authority’s Raw Water System—one of the largest US water supply projects—involving two new Lake Mead intakes, seven large pump stations, tunnels and pipelines, and one of the largest underwater pressure pipes in the worldNeWater Infrastructure Plan Pipeline—a large diameter pressure pipeline installed almost entirely around the perimeter of the highly urbanized island country of Singapore

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Freeport Regional Water Authority’s Intake Pump Station—an award winning and innovative 200 mgd (760 ML/d), 16,000 hp river intake and complex pumping system in California’s Sacramento River

3D DesignFor years, 3-dimensional (3D) Design was largely a “presentation tool”. CH2M HILL took it to the next step, using the 3D platform as our standard approach to developing detailed design.

Our clients and conveyance projects benefit from better communication of the project concepts and reduced conflicts during construction. Our routine use of this process has reduced the cost of 3D design to be equal or below the cost of 2D design.

Preliminary Design and Routing/Siting Studies

Effective planning is key to a successful conveyance project, and CH2M HILL has developed a versatile route and site selection procedure that organizes and evaluates the variety of influencing factors. It is structured for adaptability to projects ranging from simple to highly complex and considers both cost and non-cost factors, providing viable documentation to support project decisions and reduce project challenges.

Cost EstimatingUse of CH2M HILL’s Parametric Cost Estimating System (CPES) allows the Conveyance Design team to develop project specific capital and annual costs for pipelines, pump stations, storage tanks and valve stations at the preliminary stage of the project. CPES increases the accuracy of conceptual cost estimating by calculating quantity take-offs and applying unit costs. This approach provides consistently better results than the conventional cost-curve approach, even before any drawings are produced.

Alternative Delivery and Materials PrepurchaseConveyance Design has direct experience within all types of delivery models. We have extensive expertise ranging from prepurchasing materials and equipment to design-build and operations for all types of conveyance projects.

�� Conveyance Design maintains tools and information related to procurement, planning, and design of all types of conveyance facilities, as well as supporting the development and maintenance of standard specifications, standard details, tools, and related resources within CH2M HILL.


Contact UsPhil Ryan Phone: 530.229.3204 [email protected]


The Freeport Regional Water Authority intake pumping station includes innovative technical solutions coupled with a visually impressive and functional facility.

At 126 inches (320 centimeters) in diameter, the Provo River Pipeline demonstrates the delivery of technically sound and cost-effective large diameter pipeline project

Core Practice Areas: Conveyance Design Services (continued)

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Core Practice Areas




Dams and Levees ServicesThe Dams and Levees Services core technology under the CSI Global Service Team offers customized, integrated

solutions ranging from project planning and feasibility to full design; from regulatory compliance to relicensing; and

from emergency preparedness to program management. Our expertise includes earthen and reinforced cement

concrete; 1-, 2- and 3-D modeling; and projects of all sizes and complexity.

Dams and Levees Services include:

Planning and feasibilityDam safety evaluationsDesign and investigationsEmergency planningHydropower and relicensing

These services cover a wide range of structures including dams, levees, hydropower, major locks, channels, spillways, outlet works, gates and valves, flood-control structures, and coastal structures. We can also respond to environmental concerns such as river modeling, fish passage, stream and habitat rehabilitation, and respond to climate change challenges.

We listen to client priorities and provide the right staff to meet each project’s needs. We can embrace projects from the simple to the most challenging.

Planning and FeasibilityOur Planning and Feasibility services are designed to help you define options and add value.

Project planning – including overall Water Portfolio Management and climate changeSite identification and comparisonEvaluation of alternatives –including robust Decision Support and permit documentation Feasibility assessment – including funding and phasing

Dam Safety Evaluations

For hydropower producers in the US northwest, CH2M HILL has developed innovative selective withdrawal intakes and screening systems to comply with FERC requirements to protect fish and enhance fish habitat.

Our team shares your commitment to managing risk and compliance, offering services such as:

Dam safety inspectionsPotential failure mode analysesRisk analyses

Designs and InvestigationsCH2M HILL offers full suite of integrated design services led by highly qualified design specialists:

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Site investigationsFull geotechnical servicesSeismic hazard evaluationsHydrological studies including firm yield, flood frequency, inflow design floods, and PMFs Hydraulic studies including downstream impactsHydraulic structures including spillways, outlets, diversions, and modelingNew construction, dam raises, and retrofitsRehabilitation services including stability, seepage, liquefaction, and hydraulic adequacy

Emergency PlanningCH2M HILL has assisted our clients with emergency action specialists that apply a holistic approach to your total risk exposure, or focus on risks associated with impoundments:

Emergency action plans (EAPs)Emergency preparedness and response planning

Security assessmentsDam break modelingFlood inundation modelingDam hazard classificationIncremental damage assessmentTraining and emergency preparedness exercises

Hydropower and RelicensingCH2M HILL is an industry leader in hydropower relicense implementation, including the following services:

New project planning/permittingFERC RelicensingFish passageNEPA/SEPABiological assessmentsEnvironmental mitigationRecreational enhancementsDam engineeringFERC Part 12 compliance

Conveyance Industry Leadership

Contact UsRick Riker Phone: 541.768.3576 [email protected]


Rehabilitation of Albany, Oregon’s diversion day required a cost effective and simple solution to comply with “in water work” environmental regulations.

CH2M HILL was awarded the ACEC National Grand Award for innovative engineering in providing solutions for passing downstream fish migrants on the Columbia River.

The Dams and Levees team objective is to right-size projects to manage costs while adding value. For more complex projects, innovation and commitment have helped to shape the state-of-the-practice and resulted in numerous industry awards. A few examples of award winning projects include:

16 Awards of Excellence over 10 years – Rio Salado Town Lake Dam and Environmental Restoration ProjectEngineering Excellence Award 2005 and National Grand Award 2006, ACEC – Standley Lake Dam and Reservoir EnlargementCalifornia’s top engineering award 2006 and Grand Award for Engineering Excellence 2006, ACEC – Slickrock Creek DamEngineering Excellence Award 2007, ACEC – Big Sand Wash Dam2008 Bentley BE Award of Excellence and ACEC Project of the Year Award – Round Butte Dam Selective Water Withdrawal Project/FERC relicensing

Core Practice Areas: Dams and Levees Services (continued)

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Core Practice Areas




Hydropower ServicesThe Hydropower Services core technology under the CSI Global Service Team offers the full range of project

development services, from planning to final design and commissioning. They can be delivered alone or together

with the total suite of scientific, regulatory/licensing, economic, and public involvement services necessary to develop

the hydroelectric potential of water resources, conveyance systems, and treatment facilities.

Hydropower Services include:Planning and feasibility assessmentPreliminary design and equipment selectionSupport of licensing, interconnection, and other institutional processesGenerating equipment specification and procurementFinal design, construction phase, and commissioning services

Hydropower projects are characterized by Application of specialty technology with strict performance measures and special guarantees:

Complex institutional settingsStrong market factors, such as power and energy pricing, and renewable energy creditsFunding and economic feasibility affected by government policy and incentiveBroad range of project and client sophistication, as well as feasibility criteriaThe water-energy nexusPower and energy supply drivers

CH2M HILL has provided services for all types of project and clients, including new installations, rehabilitation and upgrades, additions at federal dams, micro-hydro developments, and additions on irrigation/municipal water systems.

Our services can also be tailored to alternative delivery approaches.

220 kW unit on city water supply

Planning and Feasibility AssessmentPrior to design and project implementation, we can provide or support

Site identification and screeningPlanning of the overall development process Hydrologic analysisPreliminary hydraulic design and analysis Condition and operational assessment of existing facilitiesAssessment of institutional and regulatory requirementsPower sales and interconnection planningSelection and sizing of turbine-generator equipment.Conceptual designPreparation of budgetary cost estimatesEconomic and financial analysis

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Preliminary Design and Equipment Selection Preliminary design tasks may include final analyses of project hydrology and hydraulics, confirmation of operating constraints, confirmation of equipment selection and ratings, preparation of preliminary arrangement drawings for all facilities, and documentation of design basis.

Support of Licensing and other InstitutionalProcessesConcurrently with preliminary design, a variety of institutional processes must be initiated. CH2M HILL can provide client-tailored support services for completion, including

FERC licensing or exemption application preparation or supportPreparation of Environmental AssessmentsEnvironmental studies in support of applicationsWater rights evaluations and applicationsPreparation of required permitsPreparation of applications and assistance during development of utility interconnection and power sales agreements

�� ProcurementDue to long lead times, the turbine-generator and other major equipment are often prepurchased. In advance of final design, we provide the following services

Preparation of procurement bid package, including technical specifications, proposal evaluation process and criteria, and contract documents

Assistance during bidding, bid evaluation, contract negotiation, and award Administration of procurement contracts

Final DesignOur services can include

Analysis of site conditions, including subsurface exploration and geotechnical evaluationCode analysis for building standards, seismic criteria, and life safetyDesign services in all disciplinesPreparation of bid documents, specifications, and drawingsAssistance during bidding and award phases

Construction Phase ServicesOur team can provide complete construction management, or augment a client’s resources and approach. We offer

Construction administrationOnsite inspection and field testing for all technical disciplinesShop drawing and submittal review, and preparation of record (as-built) documentation

CommissioningWe can provide direction and administration of the commissioning of the entire project putting the units on-line and into commercial operation. This requires expertise across the full range of equipment systems, a working knowledge of the specialized testing protocols, and the coordination of the builder and equipment suppliers.

Contact UsEric Schulz Phone: 208.383.6277 [email protected]


Penstock installation on federal dam addition

Core Practice Areas: Hydropower Services (continued)

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Core Practice Areas




Tunnels and Trenchless Technology ServicesThe Tunnels and Trenchless Technology Services core technology under the CSI Global Service Team offers

specialized services in tunnel project planning and design; traditional and alternative project delivery; program

management; and construction management. Our innovative, risk-adverse, and cost- effective approaches to tunnel

and trenchless challenges result in successful water, wastewater, energy and transportation projects.

The Tunnel and Trenchless practice uses state-of-the art underground technologies to meet the ever expanding need for blind construction. This core technology team works diligently during the proposal stage and at the beginning of a project to understand the fiscal, technical, and schedule elements to complete the tunnel and trenchless project elements on time, within budget, and with great sensitivity to owner and project needs. Our understanding of the underground marketplace, the inherent geologic variability from location to location, and available technologies will save money where it counts—in the construction of critical lifeline infrastructure.

Our approach to tunnel and trenchless projects includes “tunnel visioneering”, the mobilization of lessons learned from around the globe and from within various owner agencies. Valuable lessons are not

re-learned so that the proposed solution is driven by the overall project objective, and not the individual components.

The practice area has completed projects using the following trenchless construction methods:

Pipe rammingPilot tubeSmall boring units in soil and rockMicrotunneling in soil and rockHorizontal directional drillingJacked shieldsAuger boringJacked box culvertsHard rock TBMsSlurry TBMsEPBMsRoadheadersNATM/SEMHand miningCompressed air tunnels

Conducting Thames Tideway Tunnels subsurface investigations in London, UK46

State-of-the Art PracticeThe underground industry is currently experiencing exponential growth in mining technology and its various applications—it is not uncommon to see local public agencies actually purchasing tunnel boring machines, which was unheard of a few short years ago. LOVAT/Caterpillar, a Toronto-based tunnel boring machine manufacturer, has been involved in many of the recent sales of machines to public agencies.

CH2M HILL’s approach is sensitive to these industry trends and mobilizing tunnel staff that have access to not only cutting-edge technologies and local and regional contracting practices, but to the lessons learned that are essential for project success. New technologies, tunnel machines, and developments are literally happening on a weekly basis.

To understand these developments and make sure owners receive the best technologies with a proven track record it is critical that projects include specialists who stay abreast of industry refinements and improvements. To that end, CH2M HILL fosters industry forums and has staff like Steve Hunt and

Don Del Nero who instruct at leading underground seminars and conferences.

Underground Risk ManagementWe offer substantial experience in the successful development and implementation of risk management methods and approaches for tunnel

and underground construction projects. Our approach is built on the philosophy of “capability not culpability.” Experience has shown that the use of risk management tools early in a project helps to reduce fatal flaws late in a project, lower contractor’s contingency, increase bidder pool size, reduce bid scatter, and reduce disputes and change management during construction.

Using a collaborative setting, we implement a host of risk response strategies including eliminating risk, transferring risks to the parties best able to manage it, retaining certain risks, analyzing risks that are not easily mitigated early in a project, engineering certain risks that can be eliminated or minimized by design features, insuring certain risks, and addressing certain risks with contractual bid items or geotechnical baselines.

Major Ongoing Tunnel ProjectsLake Mead Intake No. 3 in Las Vegas, NevadaThames Tideway Tunnels, LondonStrategic Tunnel Enhancement Program, Abu DhabiLower Mill Creek CSO Tunnel and Pumping Station, CincinnatiOmaha, Nebraska’s deep CSO tunnel programUniversity Link CM, Sound Transit, SeattleDeep CSO tunnels program, ClevelandBrightwater East and Central Tunnels, SeattleSR-710 Highway Tunnel, Los Angeles, California

Contact Us

Steve HuntPhone: [email protected]

Pressurized face TBM prior to launch in Abu Dhabi for STEP deep tunnel sewerage scheme designed by CH2M HILL

In order to take our tunnel practice and valued clients to new heights (and depths), we have embraced the concept of “Tunnel Visioneering” where we integrate key elements such as an owner’s O&M infrastructure, future expansion planning, evolving regulations, and socio-economic considerations in a synchronized fashion.

Don Del NeroPhone: [email protected]

Rick NelsonPhone: 816.533.7312 [email protected]

Core Practice Areas: Tunnels and Trenchless Technology Services (continued)

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Core Practice Areas




Water Distribution ServicesThe Water Distribution Services core technology under the Conveyance & Storage Global Service Team offers the full

range of water distribution services from hydraulic analysis and master planning to advanced integration of real-time

data and use of algorithms to optimize operations and capital projects to help water systems deliver water reliably,

safely, and efficiently.

Water Distribution Services includes:

Hydraulic and water quality modelingSystem master planning and energy optimizationPipeline integrity evaluations and risk assessmentWater loss control programsAdvanced integration of real-time data for system operational efficiency

Water distribution systems today are affected by the rapid growth and development of communities, the increased consumer interest in water quality, aging water infrastructure, recent and emerging water quality regulations and litigation trends, and the implementation of security and counter-terrorism measures. We perform projects for water distribution systems that consider this myriad of goals, while optimizing the solution.

Hydraulic and Water Quality ModelingWe have performed over 50 water system models over the last five years. These models covered the full range of modeling software, as well as system sizes. These projects generally include

Model construction from scratch using GIS or CADSystem operations understandingField data collection and model calibrationSystem deficiency analysis and development of recommendations

To further enhance the use of the hydraulic models we can simulate chlorine residual in the distribution system, making sure that projects meet both hydraulic and water quality needs.

CH2MHILL performed hydraulic and water quality modeling as part of a comprehensive master planning effort for Forsyth County, Georgia

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Optimization of Master Planning and Energy ManagementCH2M HILL’s water distribution staff are experts in master planning and helped author the Water Research Foundation’s Capital Planning Strategy Manual. Innovative enhancements to our master planning now include:

Optimization algorithms for least cost solutions Hydraulic and water quality project solutionsIntegration of life-cycle cost evaluations that include energy

Energy optimization is now becoming a focus of water systems, since for some growth is slowing and a greater focus is on reducing operation costs. Since pumping is generally approximately 90 percent of a water system’s energy use, that is the best place to make improvements. Our solutions include

Energy rate structuresCapital equipment upgradesStandard operating procedures developmentPartial automation Full real-time automation

Pipeline Integrity Evaluations and Risk AssessmentWe have developed tools to perform risk assessment analysis on pipelines to prioritize replacement and rehabilitation programs. Using information already available to the utility, we can perform criticality and consequence of failure evaluations to recommend projects for increased system redundancy and reliability.

Advanced Integration of Real-Time DataCH2M HILL has coordinated with the U.S. EPA on contaminant warning system projects for four of the nation’s largest cities. These projects give us the ability to implement these technologies to others such as

Selection of optimal real-time water quality monitoring sensor locationInterpretation and integration of multiple sources of real-time dataDevelopment of alarm and notification systems

Water Loss Control ProgramsWhether large or small systems, CH2M HILL has extensive experience in developing water loss control programs including

Top down auditing using the IWA/AWWA methodProjects to increase data validity of water audit resultsEvaluation of condition assessment and leak detection technologiesDevelopment of a water loss control program for real and apparent lossesCalculation of payback period and return on investment

Contact Us

Brian SkeensPhone 678.530.4327 [email protected]


CH2M HILL has implemented distribution system real-time energy management systems that reduce pumping energy costs by 10% annually

Conveyance Industry LeadershipCH2M HILL’s Water Distribution staff are active in every major professional organization through committee work and authoring technical papers at national and regional conferences and workshops.

Core Practice Areas: Water Distribution Services (continued)

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Core Practice Areas




Wastewater Collection and Wet Weather ServicesThe Wastewater Collection and Wet Weather Services core technology under the Conveyance & Storage Global

Service Team offers comprehensive management services that help our clients meet regulatory requirements,

address capacity issues, and create a sustainable balance of grey and green system solutions for their infrastructure.

Wastewater Collection and Wet Weather Services

Master planningLong-term control plan (LTCP) development for combined sewer systems (CSS)Sewer System Evaluation Survey (SSES), and inflow and infiltration evaluations including private sector programsSystem modeling and optimizationGreen infrastructure planning and design integrated with traditional gray programsAssistance with regulatory issues and complianceCH2M HILL has expertise in all aspects of collection systems, including the pipelines and appurtenances that collect and convey stormwater and wastewater, and those that convey treated effluent to and from treatment facilities.

Facilities and Master PlanningPlanning for the future—assessing risk, evaluating options—is always a challenge. CH2M HILL has a wealth of expertise and skills to help our clients meet challenges associated with growing and shifting demands on individual facilities and overall systems, changing regulations, climate change and economic constraints. Our service offerings include

Projections of future population and wastewater generation Sewer collection system modeling Evaluation and optimization of green infrastructure as a part of collection systemsSystem capacity analysisDesign and performance criteria development Cost estimating Overall program and construction scheduling Alternative optimizationEvaluating climate change impacts

Effective wastewater collection systems management requires the ability to blend green and grey solutions

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CSS LTCP Development CH2M HILL has extensive experience in developing LTCPs for our clients CSSs that allow them to achieve regulatory compliance. Our service offerings range widely from overall program management to innovative technologies for green solutions

Program management for both planning and implementationStorage and conveyance capacity expansionGreen infrastructure program development Nine minimum controls assistance

Sanitary Sewer System EvaluationSSOs, caused by aging infrastructure, increased population/ demand, and leaks and breaks in collection systems often result in violations of regulatory consent decrees. Our significant depth of knowledge in conducting SSESs and developing Sewer Evaluation and Capacity Assurance Plans (SECAPs) allows us to assist our clients in achieving compliance. Our expertise includes

Project management/coordinationSystem evaluationFlow and asset condition data analysisI&I reduction studies

System Modeling and OptimizationFrom sewer system modeling to leading the development and use of advanced collection system optimization technologies, we offer comprehensive and cost effective programs

that blend technologies to address wet weather problems. Our service offerings include

Hydrologic and hydraulic model developmentI&I analyses (for example RDII)CSS and SSS system analyses Green infrastructure simulation and optimization with gray programsPreliminary design of system improvements, including pump stations modifications, high rate treatment designs for CSO/SSO discharges, and design of inline and offline storage facilitiesDevelopment, evaluation and optimization of Real Time Control facilities and strategies

Regulatory ComplianceWet weather regulatory compliance services include

CMOM program development and assistance Regulatory consultation and negotiations

Specialized Tools and ServicesIn addition to our expertise in commercially-available tools, CH2M HILL offers clients a number of customized, inhouse tools including

SCREAM, a risk evaluation and sewer condition assessment toolCost estimating tools (PACC, CPES, TIMBERLINE)Carbon Footprint assessment tools (SI PORT)Optimization tools (Decreto, Voyage)Climate change evaluation (SimClim)Green Infrastructure/LID tools

Contact Us

Susan MoisioPhone 513.587.7145 [email protected]


CH2M HILL wet weather professionals have participated in WEF and WERF publications

Conveyance Industry LeadershipOur professionals are active in every major wet weather related professional organization; we participated in development and delivery of WEF’s Core Attributes of Effectively Managed Wastewater Systems and WERF’s Using Flow Prediction Technologies to Control Sanitary Sewer Overflows, as well as various practice manuals.

Core Practice Areas: Wastewater Collection and Wet Weather Services (continued)

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Key Contacts

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Rick Nelson/KCO –Technology Director816.533.73122300 Main Street, Suite 180Kansas City, MO [email protected]

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Brian Casey/COL – Deputy Technology Director614.888.31001103 Schrock Road, Suite 400Columbus, OH [email protected]

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Susan Moisio/CIN – Wastewater Collection and Wet Weather513.587.714810123 Alliance Road, Suite 300Cincinnati, OH [email protected]

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Steve Hunt/LAS – Tunnels & Trenchless702.953.1281, Ext. 366812485 Village View Drive, Suite 350Henderson, NV [email protected]

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Kevin Nielsen/CVO – Computational Fluid Dynamics541.768.33471100 NE Circle Boulevard, Suite 300Corvallis, OR [email protected]

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Brian Skeens/ATL – Water Distribution678.530.43271000 Abernathy Road, Suite 1600Atlanta, GA [email protected]

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This section provides the key contacts of the CSI team including our Global Technology Leaders (GTLs); Halcrow Technology Leaders, Regional Practice Leaders (RPLs) and Junior Conveyance (JuMPers).

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Global Technology Leaders (continues) W

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Rick Riker/CVO – Dams and Levees 541.768.35761100 NE Circle Boulevard, Suite 300Corvallis, OR [email protected]

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Reggie Rowe/MGM – Condition Assessment & Rehabilitation205.657.84594121 Carmichael Road, Suite 400Montgomery, AL [email protected]

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Phil Ryan/RDD – Conveyance Design530.229.32042525 Airpark DriveRedding, CA [email protected]

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Eric Schulz/BOI – Hydropower208.345.5314, Ext. 26277322 East Front Street, Suite 200Boise, ID [email protected]

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Key Contacts (continued)

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Halcrow Technology Leaders Was

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Marina Arana-Biscaldi/HBD –+54 11 4335 9700 (ext. 747)Estados Unidos 34 - 3° pisoC1101AAB Buenos Aires [email protected]

� �Mark Glennerster/UK –+44 1793 816 697Burderop ParkSwindon, Wiltshire SN4 0QDUnited [email protected]

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Bryan Harvey/SZB – Global Market Director, Water & Environment+603 6201 5402Level 5 Block A Plaza Mont Kiara, Mont’ Kiara, Kuala Lumpar 50480 [email protected]

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Kumar Nadarajah/SZB –+603 6201 5402Level 5 Block A Plaze Mont Kiara JalanKiara, Mont’ Kiara,Kuala Lumpar 50480 [email protected]

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Charles Schelpe/UK +44 1733 427 996Endeavour House, Forder WayPeterborough, Cambridgeshire PE7 8GXUnited [email protected]

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Jon Wicks/UK +44 1793 816 476Burderop ParkSwindon, Wiltshire SN4 0QDUnited [email protected]

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Paul Williams/UK +44 1793 815 650Burderop ParkSwindon, Wiltshire SN4 0QDUnited [email protected]

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Regional Practice Leaders Was

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Josh Cantone/MEL – +61 3 9856 4800Level 2 420 St Kilda RoadMelbourne, Victoria 3004 [email protected]

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Chee Yon Ho/SNG – +65 6391 0350150 Beach Road Level 32, 33 & 34Singapore [email protected]

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Jeff Smith/SAC – 916.286.03062485 Natomas Park Drive, Suite 600Sacramento, CA [email protected]

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Dave Taylor/CGY –403.407.6002, Ext. 763521100 -1st Street S.E., Suite 1400Calgary, Alberta T2G 1B1 [email protected]

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Scott Williams/ATL –678.530.41791000 Abernathy Road, Suite 1600Atlanta, GA [email protected]

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Regional Practice LeadersOur Regional Practice Leaders (RPLs) act as regional technology and business development representatives, connecting between geographic regions and the global WBG. The RPLs are responsible for understanding and communicating market information between global and regional business development and technology organizations, attracting and retaining talent, and working with regions to identify, position, and win key projects. They integrate the various Conveyance & Storage services and coordinate with other WBG and Cross Business Group technologies and services. RPLs are the front lines of our business, working with client portfolio and service managers, project managers, and operational leads. They are closely linked to the RTLs and the GTLs.


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Brad Bettag/DEN – 720.286.53269191 South Jamaica StreetEnglewood, CO [email protected]

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Brindha Dhanasekaran/PHX – 480.377.62291501 W. Fountainhead Parkway, S Suite 401Tempe, AZ [email protected]

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Ethan Ford/DEN – 720.286.08249191 South Jamaica StreetEnglewood, CO [email protected]

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Nalin Sahni/CLE – 216.881.6600, Ext. 64491100 Superior Avenue, East Suite 1420Cleveland, OH [email protected]

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WBG092812202606MKE

2012 Annual Report - Conveyance & Storage Infrastructure

Singapore

November 16, 2012