TOWN OF GARNER Public Works Co… · TOWN OF GARNER. Public Works Committee Meeting. July 22, 2020 8:30 a.m. Garner Town Hall 900 7th Avenue Garner, NC 27529

TOWN OF GARNER

Public Works Committee Meeting

July 22, 20208:30 a.m.

Garner Town Hall 900 7th Avenue

Garner, NC 27529

Town of Garner Public Works Committee Meeting Agenda

July 22, 2020

The Public Works Committee Meeting will meet on July 22, 2020 at 8:30 a.m. in the Town Hall Training Room located at 900 7th Avenue, Garner, NC.

A. Call Meeting to Order B. Adoption of Agenda C. Approval of Minutes from October 29, 2019. D. Discussion

1. Traffic Calming Policy Review

2. Water/Sewer Capacity Update E. Adjourn

Town of Garner Public Works Committee Minutes

October 29, 2019 The Public Works Committee met on October 29, 2019 at 8:30 a.m. in the Town Hall Training Room located at 900 7th Avenue, Garner, NC. Committee Members Present: Council Members Gra Singleton and Buck Kennedy Also Present: Rodney Dickerson-Town Manager, John Hodges-Asst. Town Manager-Economic Development, Matt Roylance-Asst. Town Manager-Operations, Forrest Jones-Public Works Director, Chris Johnson-Town Engineer, Tony Beasley-Inspections Director, Mike Franks, Budget & Special Projects Manager, Leah Harrison-Asst. Town Engineer, Thad Anderson-Associate Town Attorney, Stella Gibson-Town Clerk Council Member Singleton called the meeting to order. Committee consensus to adopt the agenda and minutes from the March 6, 2019meeting. Proposed Engineering Plan Review Fees Presenter: Chris Johnson, Town Engineer The Public Works Committee discussed an addition to the Town’s Adopted Fee Schedule proposed by the Town Engineer. The proposal adds fees for construction drawing review that will help offset the cost of services required to support development. This type fee is being charged by several neighboring municipalities. Additional information can be found in the attached memo. The Committee recommended adopting the following fees: Construction Drawing Review Fee: Initial Construction Drawing Fee (includes 2 review and 1 signature submittal) $500 + $10 per lot Subsequent Construction Drawing Fee (per each additional review) $300 The Committee also recommended increasing the following Development Review Fees: Development Review Fee Current Fee Proposed Fee Major Subdivision, Preliminary Plat –CUP $500 + $10 per lot $600 + $10 per lot Major Subdivision, Preliminary Plat – SUP $500 + $10 per lot $600 + $10 per lot Major Subdivision, Preliminary Plat $250 + $5 per lot $300 + $5 per lot Committee consensus to increase the construction drawing review fee and the development review fee effective January 1, 2020.

Update on 540 Utility Planning Presenter: Chris Johnson, Town Engineer The Complete 540 project, also known as the Southeast Extension, will extend the Triangle Expressway from NC 55 in Apex to US 64 in Knightdale. The Complete 540 project is being administered by the NC Turnpike Authority, an agency of the NC Department of Transportation that supervises transportation improvements funded by tolls. The total cost of completing the outer loop around Raleigh is approximately $2.2 billion. The Complete 540 project is broken up into 4 segments as follows: • R-2721A – NC 55 to just east of Pierce Olive Road • R-2721B – Just east of Pierce Olive Road to just east of US 401 • R-2828 – Just east of US 401 to just east of US 70 (Primarily through TOG’s extended service area) • R-2829 – Just east of US 70 to US 64 The first three Design-Build projects have all been awarded, while the R-2829 project is not currently slated to begin until FY 2027. The R-2828 section is the only portion of the 4 segments of Complete 540 that primarily run within the Town of Garner’s extended service area (south of current extra-territorial jurisdiction). The Design/Build team is comprised of Lane/Blythe (Prime Contractor) with WSP as the Lead Design Firm. The project is currently at 75% design completion and consists of a 6-lane divided shoulder with a 45’ median swale section. The following street and stream crossings are located along the R-2929 project as follows: • Fanny Brown Road (bridge over 540) • Panther Branch – 2 crossings (6’x8’ RC Box Culvert and 9’x8’ RC Box Culvert) • Old Stage Road (interchange with bridge over 540) • Little Creek (10’x8’ RC Box Culvert) • Holland Church Road (bridge over 540) • Juniper Branch (bridge over Juniper Branch) • Sauls Road (bridge over 540) • Guffy Branch (Double 8’x9’ RC Box Culvert) • Jordan Road (bridge over 540) • Buffaloe Creek (9’x8’ RC Box Culvert) • NC 50 (interchange with bridge over 540) • Swift Creek (bridge over Swift Creek) • US 70 (interchange with bridge over US 70) Town staff has been working with NCDOT and the City of Raleigh to coordinate future water and sewer casings at major intersections and streams along the R-2828 project to reduce future impacts to the 540 corridor at such time that utilities may need to be extended southward of the 540 corridor. The Town

and City Public Utilities Department have attended monthly utility coordination meetings since March 2019. The City of Raleigh has taken the lead on this effort and procured The Wooten Company to design water and sewer encasement pipes to be installed in conjunction with the 540 construction contract to allow the water and sewer utilities to be more easily extended at a future undetermined date. The locations and details of the water/sewer encasement crossings are summarized as follows: Fanny Brown Road 24” steel encasement under 540 just west of Fanny Brown Rd for future 12” WL

Panther Branch 36” steel encasement under 540 for future 18” gravity sewer

Old Stage Road 24” steel encasements under 540 and ramps west of Old Stage Rd for future 12” WL - NCDOT requested to eliminate these crossings due to depth of cut (35 feet) - Watermains to be bored and jacked at a future date

Little Creek 36” steel encasement under 540 for future 18” gravity sewer

Holland Church Road 24” steel encasement under 540 for future 12” WL

Guffy Branch 36” steel encasement under 540 for future 18” gravity sewer

NC 50 24” steel encasement under 540 for future 12” WL - NCDOT requested to eliminate these crossings due to depth of cut (30-50 feet) - Watermains to be bored and jacked at a future date - 16” steel encasement under 540 for future 8” force main - NCDOT requested to eliminate these crossings due to depth of cut (30-50 feet) - Watermains to be bored and jacked at a future date Stormwater Projects Design Update and Recommendation Presenter: Leah Harrison, Asst. Town engineer Overview

• Stormwater Infrastructure Assessment Report • 2017, Withers & Ravenel • Document condition of larger pipes, provide prioritized improvement recommendations

• Various Stormwater Projects – Analysis & Design • 2019 – McAdams • Proceed with analysis & design on four prioritized project sites (Junction Blvd, Staunton

Meadows, Meadowbrook & Caison, Forest Ridge Rd)

Location 1: Junction Boulevard Recommendations

• Repair/rehab within approximately next 5-7 years to prevent further deterioration. • Clear embankments and excavate outlet • Line pipe • Install headwalls, wingwalls, riprap dissipators

• McAdams to provide construction drawings for the site December 2019. • Estimated contracted construction cost: $504,000

Location 2: Staunton Meadows Recommendations

• Repair as soon as possible (priority 1) • Stabilize stream channel on Town property • Replaced failed catch basin with headwall • Uncover/install junction box at blind bend

• Potential for work to be performed by Public Works staff by mid-2020, given funding source • McAdams to provide construction drawings December 2019 • Estimated contracted construction cost: $63,000

Location 3: Meadowbrook & Caison Recommendations

• Repair as soon as possible (priority 2) • Excavate outlet, flush system, install riprap dissipator • Repair sinkhole with concrete collar or similar • Install concrete bottoms in soil-bottomed inlets

• Potential for work to be performed by Public Works staff by mid-2020, given funding source • McAdams to provide construction drawings December 2019 • Estimated contracted construction cost: $13,000

Location 4: Forest Ridge Road (Woodbridge & Sunset Acres) Recommendations

• Downstream analysis of culverts at Spring Dr and Woodland Rd • Based on capacity limitations and pending downstream findings, plan for Forest Ridge culvert

replacement in 3-5 years • McAdams to provide d/s analysis in early 2020. • Estimated contracted construction cost (Forest Ridge only): $645,000

Summary of Recommendations

• Identify funding to proceed with repairs at Staunton Meadows and Meadowbrook & Caison with Town Public Works staff by mid-2020.

• Proceed with Buck Branch analysis downstream of Forest Ridge Rd. Pending results, place on CIP list for replacement within approx 3 years.

• Finalize construction drawings for Junction Blvd culverts and place on CIP list for rehabilitation within approx 5 years.

Drainage at 109 Village Green Trail Johnny Blankenship, 2714 St. Mary’s Street Raleigh, Mr. Blankenship provided information regarding the drainage problem he is experience at his property at 109 Village Green Trail. To help alleviate the situation, Mr. Blankenship suggested a curb inlet be installed in front of the buildings and a swale to the catch basin be installed. Mr. Blankenship proposed cost sharing the total cost of the repair is $44,800; with the Town being responsible for $22,400. Mr. Blankenship added that he would guarantee this amount and any overruns would be his responsibility. The Committee recommended a construction contract be drawn up with Pipline Utilities Incorporated (similar to the one for the Trade Street project) indicating the Town would be responsible for the cost sharing amount of $22,400 and confirming the Town will maintain the area from the manhole to the catch basin. A separate contract will be drawn up with Celeste Blankenship stating the maintenance agreement will stay with the property. Committee consensus to put on the November 4th consent agenda.

Town of Garner

900 7th Avenue • Garner, North Carolina 27529 Phone (919) 772-4688 • Fax (919) 662-8874 • www.GarnerNC.gov

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ENGINEERING DEPARTMENT MEMORANDUM

DATE: July 10, 2020 TO: John Hodges ‐ Assistant Town Manager FROM: Chris Johnson, PE ‐ Town Engineer RE: Traffic Calming Program Review/Update In response to Council’s recent request to review the Traffic Calming Program, staff completed a review of the current policy (last updated in 2009), as well as did a peer review of other traffic calming programs throughout the Triangle area and state. Staff has prepared a presentation for the Public Works Committee and the slides are attached for reference. In short, the current policy is somewhat similar to other peer policies, however, it may be worthwhile to update the traffic calming policy to provide more clarity, as well as make some minor adjustments that will better outline the policy for both internal staff, Council members, and the general public. STAFF RECOMMENDATION Consider moving to a new tiered system that categorizes traffic calming into 3 primary groups (Tier 1, Tier 2, and Tier 3). The tiered system will help better designate the appropriate types of traffic calming measures to be used based on street width and classification. Staff also recommends adjustments to the speed/volume thresholds to better align with peer programs analyzed in the study. These threshold adjustments will support efforts to reduce excessive neighborhood speeding. Staff also suggests amending the petition requirements on Tiers 1/2 to expedite lower cost traffic calming measures to help encourage lower cost solutions where feasible. ATTACHMENTS

Traffic Calming Program Review/Update Slide Presentation

Current Traffic Calming Policy (July 1, 2009)

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TOWN OF GARNEREngineeringDepartmentTOWN OF GARNEREngineeringDepartment

TrafficCalmingProgramReview/Update

Public Works Committee

July 15, 2020

Prepared by:

Chris Johnson, PE – Town Engineer


AgendaPurpose of Traffic Calming

Types of Traffic Calming

Current Traffic Calming Policy Process

Policy comparison to peers

Summary of Findings

Staff Recommendations

Summary

Next Steps

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PurposeofTrafficCalming

Promote complete street

concepts

•Motorists

• Pedestrians

•Bicyclists

• Transit

•Residents

Reduce speeding

Decrease traffic volumes

(cut‐throughs)

Maintain emergency

vehicle access

Creating attractive streets

Increasing quality of life


TypesofTrafficCalmingPassive Measures

(Low cost)Police Enforcement / Radar Signs

Paint Striping (Crosswalks, parking, bike lanes)

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TypesofTrafficCalming

SpeedHumps (older style)(~$1‐$3K)

Speed Table (modern style)(~$4‐$7K)

Tier 2 ‐ Physical Measures(Medium cost)



Raised Crosswalk(~$5k‐$7K)

Tier 2 – Cont’d

Pedestrian Refuge(~$5k‐$7K)

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Vegetated Medians(~$10k‐$30K, varied length)

Tier 3 Physical Measures(High Cost)



Neck Downs, Chokers, Bulb‐Outs(~$7‐$15K)

Tier 3 Physical Measures(High Cost)

Raised Intersections($15k‐$40K)

Chicanes(~$10‐$20K)

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Mini‐Traffic Circles(~$10k‐$20K)

Tier 3 ‐ Cont’d



Diagonal Diverters/Half Closures/Full Closures(~$40k‐$75K)

Tier 3 ‐ Cont’d

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TypesofTrafficCalmingArt & 3D Graphics (New)



Measures Typically Not Recommended for Traffic Calming

Adding 4‐way stops and speed warning signs

Reducing local street speed limits below 25 mph

Rumble Strips (impacts bicyclists and pedestrians)

Roundabouts (expensive & high impact for retrofits)

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CurrentPolicyProcessSteps/Procedure


CurrentPolicyProcessPrimary Criteria/Thresholds

Street classification

• Residential Local/Collector Streets only

Traffic Speeds

• 85th percentile speed >= 10 mph over posted speed

Traffic Volumes

• Locals >= 800 vpd

• Collectors >= 1200 vpd

Excessive traffic crash history as determined by GPD

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CurrentPolicyProcessPetition Requirements/Thresholds

• 66.6% household support within “impact area”

Petition requires support of the community

• Primary street requested for traffic calming

• Streets that rely on use of primary street for ingress/egress

• Neighboring streets that could see increased traffic as a result of traffic calming on primary street

Impact area determined by staff


ComparisontopeersTraffic Calming Treatments Used

TownPolice

EnforcementSignage/Markings

Speed HumpsMulti‐Way

StopsHorizontal Treatments

Apex Yes Yes Primary Treatment No Last Resort due to high costs

Cary Yes Yes Yes Yes Yes

Charlotte Yes Yes Yes Yes Yes

Concord Yes Yes No No Yes

Garner Yes Yes Primary Treatment Yes Yes

Holly Springs Yes Yes No Yes Yes

Huntersville Tier 1 Tier 1 Yes Yes Yes

Morrisville Tier 1 Tier 1 Tier 2 No Tier 2

Raleigh Yes YesPrimary Treatment

Local StreetsYes

Primary Treatment Collector Streets

Wake Forest Tier 1 Tier 2 No Yes Tier 3

Note: Holly Springs is currently revamping their TC program and intend to closely follow the Apex and Wake Forest models.

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ComparisontopeersTraffic Calming Criteria/Thresholds

Town Primary TC Criteria Streets Eligible Speed criteria Volume criteria

Apex Speed AND VolumeLocal Residential Streets

<= 25 mphAvg speed > 30 mph >100 vph (peak hour)

Cary No criteria thresholds Local Residential Streets N/A N/A

Charlotte Speed AND VolumeLocal Residential Streets

<= 25 mph85th percentile >= 5 mph

over posted speed>= 600 vpd

ConcordPoints system with several criteria

Local Residential StreetsPoints system on 85th percentile

speed vs. posted speed< 4000 vpd

GarnerSpeed AND Volume, or Excessive Crash History

Local and Collector Residential Streets

85th percentile >= 10 mph over posted speed

Locals >= 800 vpdCollectors >=1200 vpd

Holly Springs Speed OnlyLocal Residential Streets <= 25 mph and <= 35' wide

50% > 7 mph over posted speed

N/A

HuntersvilleSpeed & Street

Width/ClassificationLocal/Collector Residential

Streets <= 25 mph85th percentile >= 5 mph

over posted speedN/A

Morrisville Speed OR Volume Local Residential Streets85th percentile >= 10 mph

over posted speed

Volume study to confirm excessive cut through

traffic

RaleighPoints system with several criteria

Local Residential Streets <= 25 mph

Points system on 85th percentile speed vs. posted speed

Points system based on vpd

Wake ForestSpeed, Volume, and

street widthLocal Residential Streets

<= 25 mph85th percentile >= 5 mph

over posted speed< 4000 vpd


ComparisontopeersTraffic Calming Funding

TownFunding Source (Town/Owners)

Allocation

Apex 80/20 Cost Share General fund as needed

Cary 75/25 Cost Share Annual allocations

Charlotte 100% City Annual allocations

Concord Case by Case Case by Case

Garner 100% Town General fund as needed

Holly Springs 100% Town General fund as needed

Huntersville 100% City General fund as needed

Morrisville 50/50 Cost Share over $1000 General fund as needed

Raleigh 100% City Annual allocations

Wake Forest Tiers 1 &2 ‐ 100%/0%, Tier 3 ‐ 75%/25% General fund as needed

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ComparisontopeersTraffic Calming Petitions/Outreach Requirements

TownPetition Required

Outreach Requirements Petition Thresholds

Apex Yes Petition and Council Meeting 70% of households within impact area

Cary Yes Petition and Council Meeting 70% of households within impact area

CharlotteOnly when no HOA

endorsementNeighborhood Meeting 60% of households within impact area

ConcordOnly when no HOA

endorsementNeighborhood Meeting and Council Meeting 75% of households within impact area

Garner YesNeighborhood Meeting, Petition,

and Council Meeting67% of households within impact area

Holly Springs Yes Petition and Council Meeting 70% of households within impact area

Huntersville No 3 Neighborhood Campaigns N/A

Morrisville YesInitial Petition, Assessment Petition,

and Public Hearing65% of households within impact area (and

min. 70% household participation)

Raleigh YesPetition, 2 Neighborhood Meetings,

and Council Meeting

70% households on street (50% min. participation), 60% households within neighborhood (25% min. participation)

Wake Forest Tier 3 Only 2 Neighborhood Campaigns and Council Meeting 75% of households within impact area


SummaryofFindingsTraffic calming treatments ‐ in line w/ peers

• Some larger programs use scoring system to prioritize projects

Traffic calming criteria ‐ in line w/ peers

• Tier 1 – Low Cost (Signage, Crosswalks/Markings, Police enforcement)

• Tier 2 – Mid Cost (Speed Tables/Raised Crosswalks, Pedestrian Refuge)

• Tier 3 – High Cost (Chokers, bulb outs, chicanes, raised intersections, mini‐traffic circles)

Newer programs moving to tiered system

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SummaryofFindingsSpeed criteria slightly higher than peers

• Two peers do not have a volume threshold requirement

Volume criteria slightly higher than peers

• Town is in line with petition thresholds

Petition process varies among peers

• Most are fully funded by municipality (most equitable)

• Some towns do use owner cost share (i.e. 80/20, 75/25, 50/50)

• One town used cost share for Tier 3 only

Funding varies among peers


StaffRecommendationsTraffic Calming Treatments offered ‐ No changes, but implement tiered system

Tier 1

Low Cost

(Signage, Crosswalks,

Markings, Police Enforcement)

• Expedited installation

• In‐house forces

Tier 2

Mid Cost

(Speed Tables/Raised Crosswalks, Pedestrian Refuge)

• Narrow local streets (<= 35’ EP‐EP)

• Tier 1 measures in place

• Tier 1 won’t deter speeding (as determined by staff)

• Minimal impact outside pavement

Tier 3

High Cost

(Chokers, Bulb outs, Chicanes, Raised Intersections, Mini‐Traffic Circles, Diversions/Closures)

• Wider streets (> 35’ EP‐EP)

• Tier 2 measures not preferableHigher traffic volumes

Impact to emergency response

Long pedestrian crossing distances

Deficient intersection sight distances

• Higher impact outside pavement

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StaffRecommendations

Project Funding ‐ No changes (100% Town funded)

• Speed ‐ 85th percentile >= 8 mph over posted speed (20% reduction)

• Volume – Local streets >= 600 vpd, Collectors >= 900 vpd (25% reduction)

• Volume could be eliminated as a criteria ‐ Committee/Council input

Criteria – Retain criteria types (Speed and Volume), suggest reducing thresholds as follows:


StaffRecommendations

Petition Threshold – No changes (67% households in support)

• Option 1 – Tier 1 ‐ No Petition required, Tiers 2 & 3 – Petition Required

• Option 1A – Same as Option 1, but eliminate petition requirement for Tier 2 if HOA endorsement letter is provided for both the initial application/request and staff’s recommended design solution

Pros

• Tier 2 less costly / impactful compared to Tier 3

• Tier 2 can be expedited several months if petition requirement eliminated

Cons

• Property owners may still not want traffic calming

• Conflicting opinions between property owners and HOA representatives

Petition Requirement ‐ 2 Options suggested

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SummaryofPolicyChanges

Implement new tiered system that better designates the appropriate types of traffic calming measures used based on street width & classification.

Reduce Speed/Volume thresholds as indicated to better align with peer programs and support efforts to reduce excessive neighborhood speeding.

Amend petition requirements in accordance with Option 1 / 1A to expedite Tier 1 / Tier 2 measures and help encourage lower cost solutions where feasible.


NextSteps

Receive Input/Feedback

from Public Works Committee

Staff amend Traffic Calming Policy to incorporate PWC changes/feedback

Present Traffic Calming Policy

Update to Council for review/adoption

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Thankyou!

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Town Manager’s Office Memorandum

TO: Public Works Committee FROM: John Hodges, Assistant Town Manager - Development Services DATE: July 16, 2020 SUBJECT: Water/Sewer Capacity Update

In November 2018, the Public Works Committee recommended suspension of the Town’s previous Water/Sewer Allocation Policy that had been used for several years to protect capacity and encourage development of desired housing types. Council accepted this recommendation and formally suspended the policy in December 2018. The Committee also recommended an annual review of available water/sewer capacity.

Raleigh Water (formerly known as City of Raleigh Public Utilities Department) provides an annual report of available and allocated water and sewer capacity to each of its six merger partners, including Garner. The FY20 report from Raleigh Water is attached. This includes data through June 30, 2019. At the time of this report, Garner’s actual gallons per day (GPD) use of water was 2,148,945 out of an allocated capacity of 7,060,731 gpd or 30% (see yellow highlighted row). In other words, we still have 70% of our allocated capacity to support growth and development. Per our merger agreement with Raleigh Water, our capacity will continue to increase annually at a rate of 3% through 2025. Please note that the report shows a projected usage at 3% (see gray highlighted cells) that will change to actuals when the data is updated. We will receive an update with data through June 20, 2020 in late summer or fall.

Staff recommends using the Raleigh Water report for the Committee’s annual review of capacity in lieu of using the manual allocation calculations that Garner staff has previously prepared.

Town of GarnerCapacity Allocations per Merger Agreement

Year Increase Wastewater ADF Water Avg Day Actual Water GPD % of Capacity2001 0% 3,250,000 3,700,000 <<<Original Merger Capacity 3,700,000 GPD Water, 3,250,000 GPD Sewer (both avg day)2002 0% 3,250,000 3,700,000 2003 0% 3,250,000 3,700,000 2004 0% 3,250,000 3,700,000 2005 0% 3,630,000 4,080,000 <<<2005 Additional Capacity Purchase 0.38 MGD Water and Sewer2006 4% 3,775,200 4,243,200 2007 4% 3,926,208 4,412,928 2008 4% 4,083,256 4,589,445 2009 4% 4,246,587 4,773,023 2,222,152 47%2010 4% 4,416,450 4,963,944 2,376,692 48%2011 4% 4,827,108 5,362,502 2,298,802 43% <<<2011 Amendment 2 Capacity Purchase 0.20 MGD Water, 0.234 MGD Sewer2012 4% 5,020,192 5,577,002 2,152,850 39%2013 4% 5,221,000 5,800,082 2,028,531 35%2014 4% 5,429,840 6,032,085 2,037,466 34%2015 4% 5,647,034 6,273,368 2,067,519 33%2016 3% 5,816,445 6,461,569 2,074,352 32%2017 3% 5,990,938 6,655,417 2,157,802 32%2018 3% 6,170,666 6,855,079 2,136,325 31%2019 3% 6,355,786 7,060,731 2,148,945 30%2020 3% 6,546,460 7,272,553 2,213,413 30%2021 3% 6,742,854 7,490,730 2,279,815 30%2022 3% 6,945,139 7,715,452 2,348,210 30%2023 3% 7,153,493 7,946,915 2,418,656 30%2024 3% 7,368,098 8,185,323 2,491,216 30%2025 3% 7,589,141 8,430,883 2,565,952 30%

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TOWN OF GARNER Public Works Co… · TOWN OF GARNER. Public Works Committee Meeting. July 22, 2020 8:30 a.m. Garner Town Hall 900 7th Avenue Garner, NC 27529