11-09-20 Drainage and Flooding Committee Meeting Minutes

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BAYSIDE TERRACE DRAINAGE IMPROVEMENTS PROJECT PROPOSED ALTERNATIVE#2-STREET(CONCRETE CURB AND GUTTER STREETS) ■ Existing asphalt roadway demolished and convened to new concrete curb and gutter -Aesthetic will match Pine Bluff subdivision to the north r _.___""pu"____. ■ Driveway approaches replaced with new concrete ■ Proposed roadway widened to meet City standards �� n ."`• r��S -60'right-of-way streets win haw two 14fttravel lanes 40'sght-ol-way streets will have two 11-ft travel lanesrr 4a r i� iltl.l:,11, ` -Increase in impervious area does not need to be mitigated because of ti I-I.r..,r outfall to Galveston Bay -•7:7, �� 4s...a PROPOSED ALTERNATIVE#2-STORM DRAINAGE(UNDERGROUND STORM SYSTEM) ■ Storm Sewer -Uped to a minimum sue of 24'and maximum size of 60' - srz - 1 -Collects existing flows heading west to S.Broadway StreetI , -_ and redirects them east to Galveston Baym .. -Outfall to Galveston Bay upsized to 60' d "`* „� ^^ - ■ Improves costing level of service to meet 100yrAtlas 14 rainfall ;-]le Fr':-i If r . —""1" t for entire protect area I l -RQ T l m""I 1 r 1 I VII Me ■ Right d way woukt drain to the new curb and gutter roadway,where .•..n» - ..:vm.,.^�.� inlets would collect Owes and push them east to Galveston Bay „;HALFF. (c) Presentation, discussion, and possible action regarding the status of current drainage projects. [Lorenzo Wingate, Assistant Director of Public Works] Mr. Wingate said the airport project was in discussion with the consultant; the City would likely see F-216 at the December Council meeting; and Brookglen Flooding watershed study was still in progress and Harris County Flood Control District (HCFCD) had gotten feedback from the town hall, but nothing unusual. Member Engelken suggested the City oppose HCFCD's plan for additional detention in Brookglen. Member Engelken moved to recommend the Council discuss and consider a letter or resolution in opposition and have the City Manager reach out to HCFCD; Member Earp seconded the motion; the motion was adopted, 3-0. (d) Presentation, discussion, and possible action to provide staff with direction, if necessary regarding additional drainage concerns. [Lorenzo Wingate, Assistant Director of Public Works] Chair Martin asked that the median ditches at Bay Area Boulevard be cleared of trees and additional growth. Mr. Wingate confirmed he would communicate with Harris County Precinct 2, which is responsible for the area. 4. Set next meeting -The next meeting date was set for December 14, 2020. 5. Committee Member Comments—There were no comments. ADJOURN —Thi-meeting was adrnevithout objection at 5:58 g.m. I' L ' ' (j61 Lee ••dward, C' ecretary November 9, 2020-Drainage and Flooding Committee Minutes