Department: Flood Control District
Department Head/Elected Official: Alan R. Black, P.E., Interim Executive Director
Regular or Supplemental RCA: Regular RCA
Type of Request: Contract - Amendment
Project ID (if applicable): D100-00-00-B030
Vendor/Entity Legal Name (if applicable): Ragle, Inc.
MWDBE Participation (if applicable): N/A
Request Summary (Agenda Caption):
title
Request for approval of change in contract No. 4 with Ragle, Inc. for South Rice Avenue and Chimney Rock Bridges, resulting in an increase of $83,998. (Brays Bayou Watershed, Bond ID C-11, Project ID D100-00-00-B030, Job No. 20/0347, Precinct 3).
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Background and Discussion:
This change in contract is the consolidation of several changes at two different sites as detailed hereinafter; (1) Chimney Rock: The quantity of 36-inch reinforced concrete pipe (RCP) is being changed because the project manager is correcting the breakdown of quantities between the two sites after determining the original breakdown was incorrect. A pay item is being added for gravel because District design determined that walls which have been added to the project require stone backfill along with the associated, incidental fabric and weepholes. The quantities of flexible base, geogrid, and asphaltic pavement are being increased because District design staff provided design details for parking lot reconstruction necessary to match the grade of the proposed roadway. (2) South Rice: A pay item is being added for a waterline offset because the engineer of record (EOR) and District design determined that an unknown, existing waterline must be relocated over the top of a new box culvert. A pay item for ground box removal is being added because City of Houston requested (and District design agreed) to eliminate a signal interconnect ground box that is in a location under the proposed pavement. A pay item is being added for manhole modifications because the EOR determined certain manholes must be constructed to a greater...
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