SPECIFIC EXPLANATION: The General Services Department recommends that City Council approve the final contract amount of $2,200,220.00 or 9.22% over the original contract amount, accept the work and authorize final payment to Carrera Construction, Inc. for construction services in connection with Hermann Park Electrical Upgrades for the Houston Parks and Recreation Department.
PROJECT LOCATION: 6001 Fannin St. (Key Map No. 532 S)
PROJECT DESCRIPTION: The project replaced the antiquated Hermann Park electrical distribution system’s Outer Loop. The scope of work consisted of converting electrical service from a 4,160-volt three-phase distribution to a 12,470- volt three-phase distribution; including replacement of cable, switches and transformers. The project also replaced the antiquated switchgear servicing the Houston Zoo, demolished an existing metal switchgear building, and consolidated equipment into one existing structure.
M2L Associates was the design consultant for the project.
PREVIOUS HISTORY AND PROJECT SCOPE: On July 6, 2016, by Ordinance No. 2016-538, City Council approved a First Amendment which increased the director’s authority to approve Change Orders up to 9.22% and appropriated an additional sum of $85,000.00 that provided for a larger transformer and replacement of 400 linear feet of damaged duct bank.
CONTRACT COMPLETION AND COST: The contractor completed the project within 324 days: the original contract time of
220 days plus 104 days approved by Change Orders. The final cost of the project including Change Orders is $2,200,220.00, an increase of $185,720.00 over the original contract amount.
PREVIOUS CHANGE ORDERS: Change Order Nos. 1-4 added repairs of existing electrical duct bank at six manhole locations; located and uncovered two buried electrical manholes; modified location of switchgear and pad; replaced equipment and pad at Old Clubhouse; modified transformers; increased transformer size to allow for proper system function; and replaced 400 linear feet section of collapsed duct bank.
CONSTRUCTION GOAL: The contract contained a 7% M/WBE goal. According to the Office of Business Opportunity, the contractor achieved 13.38% M/WBE participation and was assigned a satisfactory rating.