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Home My WebLink About072020 CC Min WorkshopThe City of West University Place A Neighborhood City CITY COUNCIL STAFF Bob Higley, Mayor David J. Beach, City Manager Kevin Trautner, Mayor Pro Tem Alan Petrov, City Attorney John P. Barnes, Councilmember Thelma Gilliam, City Secretary Lauri Lankford, Councilmember Ed Sobash, Councilmember CITY COUNCIL MINUTES The City Council of the City of West University Place, Texas, remotely met in a workshop on Monday, July 20, 2020, at 5:00 p.m. in the Municipal Building located at 3800 University Boulevard. Agenda items were as follows: WORKSHOP (5:00 PM) 1. Call Workshop to Order Mayor Higley called the workshop to order at 5:02 p.m. from the City Hall Conference Room. Mayor Pro Tem Trautner, Councilmembers Barnes, Lankford and Sobash were in attendance via video/teleconference. City Manager Beach, City Secretary Gilliam, City Attorney Petrov, and Public Works Director Barrera were physically present in the Council Chambers. Also physically in attendance were Nawa Panthi and Hui-Fong Change with HTJ Engineers John Robuck with BOK Financial Services attended via video/teleconference. 2. Drainage/Modeling Study Matters related to the City’s Drainage/Modeling Study and funding sources. Nawa Panthi with HTJ Engineers provided a follow-up to the drainage/modeling study workshop held on June 22, 2020. The focus of the discussion was mainly on the City’s five major drainage systems: • Academy Street System • College Street System • Poor Farm Ditch • Buffalo Speedway System • Kirby Drive System At the conclusion of the presentation/discussions, it was noted that: • Proposed storm Sewer Improvements provide nearly 50-yearLevel-of-Service (LOS) • Estimated Cost Of Proposed Improvements o Estimated cost of road and associated drainage improvements, $21M. (Priority Area 1- 3 of Infrastructure Program)  These roadways will need replacement in the next five years, if not sooner City Council Meeting Minutes, July 20, 2020 2 of 2 o Estimated cost of the proposed drainage improvements, total $39M. o Total estimated cost of improvements, $60 Million (in today’s dollars) After the presentation by HTJ engineers and questions and answers, Mr. John Robuck with BOK Financial Services discussed funding and possible funding sources. A copy of the drainage presentation is attached. 3. Virtual Gate Discussion Matters related to Phase I of the Virtual Gate project. City Manager Beach proposed that staff be allowed to move forward with a decorative base for poles within the City of West U City limits for this project, which would cost approximately $80,000 and be on target for completion by the end of the year. It was the consensus of Council for Mr. Beach to move forward as proposed. 4. Adjourn Mayor Higley adjourned the workshop at 7:10 p.m. Audio of this workshop is available on the City’s website or contact the City Secretary’s office to obtain a copy. Prepared by: City Secretary Thelma A. Gilliam Approved by City Council on: August 10, 2020 1 City of West University Place Citywide Storm Sewer Analysis Prepared for:Prepared by: July 20, 2020 Attachment to July 20, 2020 Minutes 2 Additional Results Discussion Agenda 4 Existing Conditions Flooding Conditions for Different Rain Events Major Drainage Systems 5 Results / Findings Existing 2-Year Inundation Map 6 Results / Findings Existing 10-Year Inundation Map 7 Results / Findings Existing 50-Year Inundation Map 8 Results / Findings Existing 100-Year Inundation Map 9 Existing Conditions Flooding Conditions 100-Year Vs Harvey Reported Structure Flooding 10 Results / Findings Existing 100-Year Inundation Map Ground Elev.: 55.2 ftF.F. Elev.: 55.9 ftWSEL: 55.7 ft Ground Elev.: 49.0 ftF.F. Elev.: 49.8 ftWSEL: 49.4 ft WSEL = Water Surface Elevation 11 Proposed Conditions Flooding Conditions Comparison Existing Vs Proposed Without Restrictor 12 Road Reconstruction * Work includes road and storm sewer replacement needed within the next 5 years. 13 Results / Findings Proposed Improvements Estimate$60M* Along Community Drive and shared line at city limit * Estimated cost for drainage upgrades and associated road replacement for sections as shown 14 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 15 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 16 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 17 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 18 Proposed Conditions Flooding Conditions Comparison Existing Vs Proposed With Restrictor 19 Results / Findings Proposed Improvements Estimate$60M* Along Community Drive and shared line at city limit * Estimated cost for drainage upgrades and associated road replacement for sections as shown 20 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 21 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 22 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 23 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 24 Buffalo Speedway Improvement 25 Results / Findings Proposed Improvements Buffalo Speedway Improvements 26 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 27 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 28 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 29 Results / Findings Existing 100-Year Inundation Map Note Appearance of Black hatch in the proposed conditions indicates the improvement to the flooding conditions 30 Water Surface Comparison at Selected Locations Locations of Cross Sections 31 Typical WSEL Drop Vs Horizontal Shift 10 ft 9 ft 13 ft 32 3 inches 6 inches 6 inches •At the critical elevation (near door step), the shift ismore than the average shift (est.10 ft. for 3 inches drop) •This is a typical section, not relevant to any storm event–only the relationship based on the slope •Average shift = 6ft. per 3 inches drop. 33 WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor •Cross Sections were taken buildingto building from 2018 LiDAR •Vertical Line at the end indicate theface of the structure. •ROW is approximate Building Front Line -Typical Street ROW Natural Ground No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation WSEL = Water Surface Elevation 34 WESEL Existing Proposed w/ Restrictor Proposed w/o Restrictor Street ROW WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation 35 Existing Proposed w/ Restrictor Proposed w/o Restrictor Street ROW WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation 36 Existing Proposed w/ Restrictor Proposed w/o Restrictor Street ROW Street ROW WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation 37 Existing Proposed w/ Restrictor Proposed w/o Restrictor Street ROW Street ROW WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation 38 Existing Proposed w/ Restrictor Proposed w/o Restrictor Street ROW Street ROW WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation 39 Existing Proposed w/ Restrictor Proposed w/o Restrictor Street ROW No WSEL line means No-Ponding in the street Street ROW WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation 40 Existing Proposed w/ Restrictor Proposed w/o Restrictor Street ROW Street ROW WSEL Existing WSEL Proposed w/ Restrictor WSEL Proposed w/o Restrictor No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation 41 Street ROW Street ROW No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation WSEL Existing WSEL –Buffalo Speedway WSEL -Proposed 42 Street ROW No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation Street ROW WSEL Existing WSEL –Buffalo Speedway WSEL -Proposed 43 No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation Street ROW Street ROW WSEL Existing WSEL –Buffalo Speedway WSEL -Proposed 44 No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation Street ROW Street ROWWSEL Existing WSEL –Buffalo Speedway WSEL -Proposed 45 No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation Street ROW Street ROW WSEL Existing WSEL –Buffalo Speedway WSEL –Proposed 46 No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation Street ROW Street ROW WSEL Existing WSEL –Buffalo Speedway WSEL –Proposed 47 No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation WSEL Existing WSEL –Buffalo Speedway WSEL –Proposed Street ROW Street ROW 48 No WSEL line means the WSEL is below the street elevation WSEL = Water Surface Elevation WSEL Existing WSEL –Buffalo Speedway WSEL –Proposed Street ROW Street ROW 49 Results / Findings Proposed Improvements Estimate$60M* Priority Areas 1-3P New Proposed Pipes * Cost is in today'sdollars Est. Cost = $21M Est. Cost = $39M 50 •Proposed storm Sewer Improvements provide nearly 50-yearLevel-of-Ser vice (LOS) •Estimated Cost Of Proposed Improvements •Estimated cost of road and associated drainageimprovements, $21M. (Priority Area 1-3 of InfrastructureProgram) o These roadways will need replacement in the next five years,if not sooner. •Estimated cost of the proposed drainage improvements,total $39M. •TOTAL EST. COST OF IMPROVEMENTS = $60 Million* (*shown in today's dollars) Conclusion 51 Questions & AnswersThank You 10351 Stella Link Road www.ht-j.com (O)832-767-0090Houston,Texas 77025 hfc@ht-j.com (F)832-767-0141