DC Water 1st Street Tunnel Forum Presentation 2016 05 26

8/16/2019 DC Water 1st Street Tunnel Forum Presentation 2016 05 26

1/39

Thursday, May 26, 2016

Briefing

for:

Briefing

on:

DC CLEAN RIVERS PROJECT

First

Street

Tunnel

Construction

Update

and

Community

Mitigation

Measures

First

Street

Tunnel

Forum/Community

Group

District of Columbia Water and Sewer AuthorityGeorge S. Hawkins, General Manager


2/39

Tunnel ForumRepresentatives and Alternates

Location/Group Representative Alternate

First Street NW Dr. Marilyn Lashley Tomas Encaracion

Bryant / Channing Streets Renee Peres Philomena FritzFlagler Place Vacant Vacant

Adams Street Shelly Parker Dianne Barnes

W Street Joe Levesque Neal Herman

First and V Streets Angela Ray Theodore Bush and Derrick Jones

U Street Serita Sanders Jean Marie Thomas

Thomas St / Rhode Island Ave Chris Von Ferro Vacant

Local Blogs Scott Roberts Betsy McDaniel

Government Teri Janine Quinn,

ANC 5E

Bertha Holliday, ANC 5E

Laisha Dougherty, Councilmember

McDuffie’s office, Ward 5

Civic Associations Sherry Howard John MacNeil

All meetings are open to the public. 2


3/39

Welcome and Introductions

Meeting Dates for 2016

Two-Month Construction Update at

Construction Staging Areas (CSAs)

Channing Street CSA

Adams and Flagler CSA First and V CSA

First and Thomas CSA (Pumping Station)

Instrumentation and Monitoring

Long-Range Construction Schedule

What to Expect in Coming Months

3

Progress-at-a-Glance

Small Diameter Water Main Project

Update on Alternative Parking Areas

Shuttle Service Has Been Replaced

with Uber

Restoration Plans at or nearConstruction Staging Areas

Tree Planting Initiative and Locations

Post-Construction Surveys

FEMS Door Mural Giveaways

Next Steps

Agenda


4/39

MEETING

DATES

FOR

2016

Tom Lindberg, DC Water


5/39

Meeting Dates for 2016

Discussion Topic Meeting Date* Location

First Street Tunnel (FST) ConstructionUpdate January 28, 2016 St. George’s Episcopal Church

FST Update and Landscaping and

Restoration Plans

March 24, 2016 St. George’s Episcopal Church

FST Update and Landscaping andRestoration Plans May 26, 2016 St. George’s Episcopal Church

System Start-Up Event July Pumping Station Site, Thomas

Street, NW

FST Update, Landscaping andRestoration Plans, Freeze-Thaw

Update, and Small Diameter Water

Main Project

July 28, 2016 St. George’s Episcopal Church

5


6/39

This page intentionally left blank.


7/39

TWO‐

MONTH

CONSTRUCTION

UPDATE

AT CONSTRUCTION STAGING AREAS

Scott Hoffman and Thomas March, SKJD


8/39

Channing StreetConstruction Staging Area

MainMiningShaft

N DC WaterTrailer SKJD Trailer

Muck

Pit

Grout Plant

Mechanic

Shop

Freeze Plant

Natural Gas Generators

Moretrench

Storage & Office

S e d i m e n t P o n d

Safety Trailer

8

The freeze plant, natural gas

generators, grout plant and

segment storage area

decommissioned.

Shown as ( ).

Segment Storage Area

Channing St Diversion Sewer

Vent

Control

Vault


9/39


10/39

Adams and Flagler IntersectionConstruction Staging Area

Building entrance

Construction traffic entrance and exit

CSA

CWZ

Road Closed ‒ No thru

traffic. Local accessonly at intersection ofFirst Street and AdamsStreet).

AbbreviationsCSA ‒ Construction Staging AreaCWZ ‒ Construction Work Zone

FEMS ‒ Fire and EMS Department

CSA

CWZ

FEMS Access Zone

4’-wide Pedestrian Sidewalk

Local Traffic

14 feet

55 feet

Fire department

ladder truck clearances

Legend

Centrifuge

Polymer Mix Transformer

7 8 9 10

Pipes 7,8, 9,10

Electrical Pad

160'

10

Reduce CSA, June 2016

Adams St

F l a g l e r P l


11/39

Adams and Flagler IntersectionConstruction Staging Area

Completed mining of the adit

Completed construction of near surface structures onFlagler Place

Constructing shaft internal structures

East side of the Adams Street Construction Staging Areawill be restored in June 2016

Continuing utility (water, storm, sewer) restoration onFlagler Place through June 2016

Final restoration to begin in June and end in August 2016

11


12/39

V Street

F i r s t

S t r e e t

Legend

CSA

CLC

CSA

CLC

4'-wide Pedestrian Walkway

FEMS Access Zone

Building Entrance

ConstructionTraffic Entrance & Exit

CSA ‒ Construction Staging Area

CLC ‒ Construction Lane Closure

FEMS ‒ Fire and EMS Department

Abbreviations

14 feet

55 feet

Fire department


Local Traffic

12

Currently

Fenced

Alley toremain closed

Alley toremain closed

First and V IntersectionConstruction Staging Area

Maintain one pedestrianwalkway on either sideof V Street.

54′

44′

11′

44′

Reduce CSA on First Street, July 2016


13/39

First and V IntersectionConstruction Staging Area

Constructing shaft internal structures

Construction of near surface structures will be completedJune 2016

Reopening First Street by end of July 2016

V Street portion of construction staging area will remain

closed through completion

Begin final restoration in July 2016

13


14/39

Legend CSA

CLC

CSA FEMS accesszone

Building entrance

Construction traffic entrance and exit

CSA ‒ Construction Staging AreaCLC ‒ Construction Lane Closure

FEMS – Fire and EMS Department

Abbreviations

First and Thomas IntersectionConstruction Staging Area (Pumping Station)

14 feet

55 feet

Fire department


Local Traffic

14

P S -V V

P S -T V

PS-VF

PS-MV

Reduce CSA, June 2016


15/39

First and Thomas IntersectionConstruction Staging Area (Pumping Station)

Continue construction of near surface structures

through June 2016

Continue mechanical and electrical work at near

surface structures to shaft through June 2016

Commission pumping station through June 2016

Reopening Thomas Street by end of June 2016

Final restoration will continue in parking lot through

July 2016

15


16/39

This page intentionally left blank.


17/39

Instrumentation and Monitoring

17

Monitoring of private properties along the FirstStreet tunnel alignment and outside construction

staging areas has ceased because data as beenstable for more than three months

Upon completion, SKJD will contact homeowners toschedule removal of the instrumentation and

monitoring devices and restoration; you need notbe present for this operation

The freeze process is shut off at all locations, andwe are continuing to monitor the freeze-thaw data

Instrumentation device installed.


18/39

LONG‐

RANGE

CONSTRUCTION

SCHEDULE AND PROGRESS

Scott Hoffman, SKJD and John Kennedy, DC Water


19/39

19

Long-Range Construction Schedule


20/39

What to Expect in Coming Months

Heavy construction will continue, including surface activities,

concrete deliveries, and the removal of the top of secant

piles around drop shafts and diversion chambers

Near surface structures and the tunnel will be operational by

July 2016

Landscaping and restoration will follow after the project isoperational: June ‒ July 2016

Coordination of the Small Diameter Water Main project and

the First Street Tunnel project will occur in August 2016

20


21/39

What to Expect in Coming Months, continued

Completion dates are defined as:

Substantial Completion (July 2016): Completion of the pumping

station and all near surface structures, so that the system isoperational

Final Completion (Sept 2016): Work remaining after substantialcompletion includes the removal and restoration of the freeze trench

and street restoration and landscaping at the CSAs and APAs. Thediversion chamber and ventilation control vault at the ChanningStreet CSA will also be completed.

21


22/39

22

First Street TunnelProgress-at-a-Glance as of April 30, 2016; 84.63% Complete

CS‐MS Inflow / Ventilation

Chamber

• Continued installing beams

and building working

platforms for Inflow

Chamber & Vent Facility.

CS Approach Channel & VCV

• Started excavating channel.

• Started excavating

Ventilation Control Vault.

V Street – NCS‐DC & FS‐DC

• Continued installing and

tying rebar.

• Continued

setting

concrete

forms and pouring

concrete for walls & slabs.

First Street – Diversion Chamber

• Finished excavation.

• Started installing & tying

rebar

slab.

PS – Vent Facility

• Continued installing

& tying rebar.

• Setting

wall

forms

and

poured concrete.

PS – Drop Shaft

• Started installing anchor

bolts

for

discharge

pipes

at shaft wall.

• Formed and poured

pump pedestals.

AS – MTBM & Pipe Jacking

• Finished mining and

installing pipe.

• Started disassembling

equipment.

AS – Diversion Channel

• Finished installing

MH covers.

• Finished pouring

concrete around MH

covers & slab.


23/39

ONGOING

ACTIVITIES

Tom Lindberg, DC Water


24/39

Small DiameterWater Main Project

DC Water’s small diameter water mainwork will follow the First Street Tunnel

project Limits of Bloomingdale project area are

shown by green dashed border ( )

Approximately 25 water main breaks or

leaks since 2000 shown in red ( ) Small diameter water mains (


25/39

Small DiameterWater Main Project Schedule

The Small Diameter Water Main project has been coordinated with

DC Water’s engineering department over the past year

DC Water is acquiring permits for the proposed Bloomingdale water

main work

The project was advertised in April 2016

The contract will be awarded in June 2016

The project will start in August 2016

DC Water’s outreach contact for construction:

Tanya Hedgepeth, [email protected]

25


26/39

Update onAlternative Parking Areas

143 W Street Alternative Parking Areaclosed on March 31, 2016

W Street Alternative Parking Area isscheduled to close on June 1, 2016

Bryant Street Alternative Parking Area will

remain open for the duration of the project

26

Bryant Street APA will remain open. W Street APA will close on June 1.

ADAMS ST NW

W ST NW

V ST NW

143 W STREET APA

(CLOSED MARCH 31)W STREET APA

(CLOSING

JUNE 1)

Sh l S i H B


27/39

Shuttle Service Has BeenReplaced with Uber

The First Street Tunnel team has replaced the shuttle van

service because requests have been and continue to be

extremely low

Now using Uber as an alternative to the shuttle buses

We will continue to offer 24/7 neighborhood transportation

Call the FST Hotline at 1-844-FST-INFO (1-844-378-4636)

and press 1 for shuttle service

We will dispatch an Uber driver

27


28/39

DC W t DDOT d Bl i d l Ci i


29/39

DC Water, DDOT, and Bloomingdale CivicAssociation Tree Planting Initiative

DC Water/SKJD will plant 35 additional trees in

Bloomingdale

Plantings will be done by SKJDs subcontractor

Planting location diagrams are provided following the list

of plantings on the next page

29


30/39

List of Plantings by Street Address

30

Street Address Species120 U ST NW Hackberry

2208 FLAGLER PL NW Hackberry

156 ADAMS ST NW Tulip popular 2131 1ST ST NW Tulip popular

OPP 2911 NORTH CAPITOL ST NW Bur oak

OPP 44 FLORIDA AVE NE Nuttall oak

48 R ST NW Tulip popular

151 S ST NW Shurmard oak

2645 1ST ST NW Catalpa

2000 NORTH CAPITOL ST NW Chinkapin oak

2102 FLAGLER PL NW Nuttall oak



87 V ST NW Blackgum29 S ST NW Hackberry

OPP 66 CHANNING ST NW Bur oak


Street Address Species2 ADAMS ST NW Scarlet oak

1822 NORTH CAPITOL ST BN Chinese pistache

74 ADAMS ST NW London planetree2030 FLAGLER PL NW Blackgum

44 CHANNING ST NW Bur oak


2100 BLK 2ND ST NW Shingle oak

OPP 128 RHODE ISLAND AVE NW Japanese apricot

UNIT BLK QUINCY PL NW Nuttall oak



OPP 22 CHANNING ST NW Tulip popular

UNIT BLK R ST NE Hackberry

49 BRYANT ST NW Tulip popular 2312 NORTH CAPITOL ST NW Bur oak


81 SEATON PL NW Japanese apricot

UNIT BLK BRYANT ST NW Blackgum


31/39

Tree Planting Locations

31

On First Street, south of Michigan Avenue. On North Capitol Street, south of Michigan Avenue.

‒ Newly planted 2-inch caliber tree.

‒ Existing trees.


32/39

32

Along Channing Street. Along Channing Street.


‒ Existing trees.

Tree Planting Locations, continued


33/39

33

On Bryant Street and North Capitol Street. Along Adams Street and First Street.



‒ Existing trees.


34/39

34

Second and Adams Streets, and Flagler Place. Flagler Place, and First, U, and North Capitol Streets.(Graphic missing existing trees.)


‒ Existing trees.



35/39

35

Median along Rhode Island Avenue. Seaton Place, S Street, and North Capitol Street.


‒ Existing trees.



36/39

S Street. R Street and Florida Avenue.


‒ Existing trees.


P t C t ti


37/39

Post-ConstructionSurveys

Property owners that participated in the

First Street Tunnel Pre-construction

Survey Program have the opportunity fora post-construction survey

The post-construction surveys will be

scheduled in the summer and fall 2016

If you would like a post-construction

survey, please email

[email protected] and we will

contact you when the program begins

Please be advised that post-construction

surveys will only be performed on prop-

erties that had a pre-construction survey

37

If you participated in

the Pre-constructionSurvey Program, youare eligible to receivea post-construction survey.

Crispus Attucks Park

McMillan Reservoir


38/39

FEMS Door Mural Giveaways

We will be dismantling the Adams and Flagler CSA inphases, and we have provided the homeowners who reside

near the CSA with the opportunity to retain the door for theirpersonal use

Those who responded approvingly to our door giveawayrequest will receive the requested door when the CSA gets

smaller or is dismantled

Skanska will place the door near the gate on their privateproperty; the doors will be provided as-is

If the door is not wanted by the homeowner, DC Water willstore it at the project site office and discuss with communityand Tunnel Forum members alternative uses

38


39/39

Next Steps

The next Tunnel Forum Meeting on Thursday, July 28at 7 PM, at St. George’s Episcopal Church

For construction issues or problems, please call the24/7 FST Hotline at 1-844-FST-INFO (1-844-378-4636)

An event will be planned when the system and pumping

station are operational, date to be determined

39

For updates, go towww.dcwater.com/workzones/projects/first_street_tunnel

Documents

DC Water 1st Street Tunnel Forum Presentation 2016 05 26