Department: County Engineer
Department Head/Elected Official: Milton Rahman, PhD, P.E., PMP, CFM, ENV SP, County Engineer
Regular or Supplemental RCA: Regular RCA
Type of Request: Contract - Amendment
Project ID (if applicable): Job No. 22/0199 - UPIN 19101MF17901
Vendor/Entity Legal Name (if applicable): WadeCon, LLC
MWDBE Contracted Goal (if applicable): 21%
MWDBE Current Participation (if applicable): 0%
Justification for 0% MWDBE Participation Goal: N/A - Goal is not 0% and is listed above
Request Summary (Agenda Caption):
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Request for approval of a change in contract with WadeCon, LLC, in connection with Beaumont Place Subdivision Drainage Improvements - 2018, adding 26 calendar days, Job No. 22/0199-6, UPIN 19101MF17901, Precinct 2, MWDBE Contracted Goal: 21%.
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Background and Discussion:
This project is located in the Greens Bayou watershed near Highway 90 and Beltway 8. The Beaumont Place subdivision consists of mainly roadside ditches and has been subjected to several flooding events with the most recent being Hurricane Harvey (August 2017) and the Tax Day Flood (April 2016). Drainage analysis of the subdivision began in late 2019 as a part of the 2018 Bond program for subdivision drainage improvements. The scope and proposed improvements include roadside ditch regrading, driveway culvert upgrades, expansion of channel along Big Gulch, concrete lined Sulphur Gully channel with reinforced concrete box (RCB) crossing improvements. Improvements also include multiple detention ponds along Big Gulch with an extreme event overflow swale towards the upstream portion of the channel.
The Change in contract request includes the following:
* PCO - 8 Driveway Variations - Added 26 days for an extension of contract time due to the replacement of existing driveways with culverts not shown on the design plans. A total of 13 existing driveways with culverts along Columbine, Elderberry, and Edgehill were not shown on the design plans, but will be repl...
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