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 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
TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS Workshops ➖ October 9 th , 2019 ➖ February 5 th , 2020 To see the presentation Action Items based on feedback: From these workshops: ➖ Update five BMP summary pages http://iswm.nctcog.org/training.html Bioretention Dry Detention Permeable Pavement Sand Filter Underground Detention ➖ Update of primary pollutant removal capabilities table (Table 1.2)
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 ”
TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS Table 1.2 ➖ Simplified version for reference ➖ No % removals
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
TASK 2 – REORGANIZE/RE-EVALUATE SITE DEVELOPMENT CONTROLS Draft Summary Pages
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
TASK 3 – ISWM DESIGNATION IMPLEMENTATION WORKSHOP Workshop #1 – September 5 th 2019 ➖ Met with Corinth & DFW Airport Workshop #2 – October 22 nd 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
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
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
TASK 5 – ISWM PRINCIPALS REGIONAL REVIEW Cities Summary Table
TASK 5 – ISWM PRINCIPALS REGIONAL REVIEW Counties Summary Table 6 6 6 6 5 5 4 4 3 2 2 2 2 2 1 0 0 0 0 0 0
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
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
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.
iSWM certified communities’ participation in the Public Works Program Discussion iSWM certified communities’ participation in the Public Works Program.
Public Works Program Updates 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.
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
Upcoming NCTCOG Meetings 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 •
Contact Connect Sydni Ligons Environment & Development Planner Facebook.com/nctcogenv North Central Texas Council of Governments @nctcogenv sligons@nctcog.org 817.608.2360 nctcogenv Carolyn Horner youtube.com/user/nctcoged Senior Environment & Development Planner North Central Texas Council of Governments EandD@nctcog.org chornor@nctcog.org 817.695.9217 nctcog.org/envir Edith Marvin Director of Environment & Development North Central Texas Council of Governments emarvin@nctcog.org 817.695.9211
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