iSWM Implementation Subcommittee Meeting April 27, 2020 Welcome - - PowerPoint PPT Presentation

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iSWM Implementation Subcommittee Meeting April 27, 2020 Welcome - - PowerPoint PPT Presentation

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iSWM Implementation Subcommittee Meeting April 27, 2020 Welcome and Introductions Approval of the January 8, 2020 Meeting Summary Work Scope: Task Order Three Updates iSWM subcommittee meeting Halff task update presentation SUMMARY OF TASKS

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April 27, 2020

iSWM Implementation Subcommittee Meeting

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Welcome and Introductions

Approval of the January 8, 2020 Meeting Summary

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Work Scope: Task Order Three Updates

iSWM subcommittee meeting Halff task update presentation

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SUMMARY OF TASKS

Task 1 – Project Management and Meeting Attendance Task 2 – Reorganize/Re-evaluate Site Development Controls Task 3 – iSWM Designation Implementation Workshop Task 4 – Technical Meeting of iSWM Adopters Task 5 – iSWM Principals Regional Review Task 6 – Update Technical Manual rainfall intensities Task 7 – iSWM BMP Installation Videos

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TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS

Workshops ➖October 9th, 2019 ➖February 5th, 2020 Action Items based on feedback: ➖Update five BMP summary pages

 Bioretention  Dry Detention  Permeable Pavement  Sand Filter  Underground Detention

➖Update of primary pollutant removal capabilities table (Table 1.2)

To see the presentation From these workshops: http://iswm.nctcog.org/training.html

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TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS

Table 1.2

➖Existing table ➖Consider if % removals need to be updated (i.e. dry detention) ➖Add disclaimer: “% removals only valid if design specifications are met”

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TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS

Table 1.2

➖Simplified version for reference ➖No % removals

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TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS

Summary Pages

➖Reformat to be more readable/appealing ➖Clearly communicate use, limitations, etc. ➖Use better pictures to convey how BMP can add value to a site

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TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS

Draft Summary Pages

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TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS

Potential Tasks for Implementation Next Year:

➖Update of remaining BMP summary pages ➖Rework of introduction of manual ➖Reorganization/categories ➖Addition of new BMPs ➖Addition of the vegetation list ➖Addition of specifications or design check lists ➖Recommendations of public signage and certification/training received

Potential Long-Term Implementations:

➖Encourage participation and use of manual and increase in water quality criteria standards throughout the region ➖Set up committee to review and rewrite technical manual

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TASK 3 – ISWM DESIGNATION IMPLEMENTATION WORKSHOP

Workshop #1 – September 5th 2019 ➖Met with Corinth & DFW Airport Workshop #2 – October 22nd 2019 ➖ The following municipalities made presentations Frisco – Green Infrastructure Grand Prairie – Flood Mitigation Fort Worth – Streambank Erosion Workshop #3 – February 11th 2020 ➖Met with DFW Airport, Dallas County, and City of Denton No outstanding items

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TASK 4 – TECHNICAL MEETING OF ISWM ADOPTERS

Online Survey – December 9, 2019 to January 31, 2020 Webinar hosted March 30, 2020 Memorandum summarizing recommendations sent to subcommittee for review

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TASK 5 – ISWM PRINCIPALS REGIONAL REVIEW

All criteria from iSWM Program Implementation Tiered Measurement has been reviewed for 53 communities Developed maps summarizing 7 criteria for 8 counties Added watershed boundaries and waterways to maps

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TASK 5 – ISWM PRINCIPALS REGIONAL REVIEW

Cities Summary Table

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TASK 5 – ISWM PRINCIPALS REGIONAL REVIEW

Counties Summary Table

5 3 5 6 6 6 6 2 2 2 2 2 1 4 4

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TASK 6 – UPDATE TECHNICAL MANUAL RAINFALL INTENSITIES

Changes have been updated to manual USGS rainfall tables were removed and replaced COG will implemented on the iSWM website

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TASK 7 – ISWM BMP INSTALLATION VIDEOS

Video has been developed entitled: ➖“Bioretention Facility Installation and Maintenance in Roanoke, Texas” Not a case study because we were not able to get the city involved What: Two bioretention systems one being 90 SF and the other 200 SF Designed and Installed by Construction Ecoservices Location: Roanoke Town Center, Roanoke, TX

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Work Scope: Task Order 4 and contract extension

Halff drafted Task Order No. 4 (handout). The following tasks have been outlined for Task Order No. 4 with completion by April 30, 2021

  • 1. Project Management and Meeting Attendance
  • 2. Reorganize/Re-evaluate Site Development Controls
  • 3. Guidance on developing a regional detention program
  • 4. Detention criteria guidance research
  • 5. Re-evaluate 85th Percentile (1.5”) Rainfall Requirements
  • 6. 5-Year Outreach and Implementation Strategy
  • 7. Provide details and specifications for water quality BMPs

Action needed by the subcommittee to approve this Task Order.

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iSWM certified communities’ participation in the Public Works Program

Discussion iSWM certified communities’ participation in the Public Works Program.

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Public Works Council

  • The Public Works Roundup has been postponed to Sept. 17, 2020. If

you would like to submit an abstract or are interested in sponsoring the Roundup please contact Olivia Kale at okale@nctcog.org or (817) 695-9213. Sustainable Public Rights of Way (SPROW) Subcommittee

  • SPROW is working towards creating a Best Management Practices
  • Guidebook. They are focusing on Landscape Planning/Maintenance

and will begin discussing tree lists and ordinances at the next

  • meeting. https://www.nctcog.org/envir/committees/public-works-

council/sustainable-public-rights-of-way-subcommittee Standard Drawings Subcommittee

  • The subcommittee finished comments on Division 3000 and is now

working on Division 2000: Pavement Analysis. Division 1000 edits are being prepared by NCTCOG staff to be released in the final format.

Public Works Program Updates

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Upcoming Events and Conferences

APWA Texas Chapter Conference Tentative Date: June 17-19, 2020 Location: Galveston, TX Register at: https://txapwa.com/ Public Works Roundup Date: September 17, 2020 Location: Richardson Civic Center More information: https://www.nctcog.org/envir/public- works/annual-public-works-roundup

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  • Next iSWM Meeting, July 8, 2020
  • Regional Stormwater Management Council, May 20
  • Public Works Council Standard Drawings Subcommittee, April 13
  • Public Works Council Sustainable Public Rights of Way, TBD
  • Public Works Council Meeting. May 7

Upcoming NCTCOG Meetings

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Contact Connect Facebook.com/nctcogenv @nctcogenv nctcogenv

youtube.com/user/nctcoged

EandD@nctcog.org nctcog.org/envir

Edith Marvin Director of Environment & Development North Central Texas Council of Governments emarvin@nctcog.org 817.695.9211 Carolyn Horner Senior Environment & Development Planner North Central Texas Council of Governments chornor@nctcog.org 817.695.9217 Sydni Ligons Environment & Development Planner North Central Texas Council of Governments sligons@nctcog.org 817.608.2360