Title
Resolution Authorizing Change Order in the Amount of $10,176,452 to Contract 2017-0570 with Harper Corporation General Contractors for Construction Manager At Risk (CMAR) Construction Phase Services for the TZ Osborne Electrical Buildings and Project
Body
Department: Water Resources
Council District: 3
Public Hearing: N/A
Advertising Date/By: N/A
Contact 1 and Phone: Steven Drew, 373-7893
Contact 2 and Phone: Virginia Spillman, 373-3260
PURPOSE:
In order to commence construction phase services using the Construction Manager at Risk (CMAR) project delivery method for the TZ Osborne Electrical Buildings and Electrical/Mechanical Project, City Council approval of a change order with Harper Corporation General Contractors, the Construction Manager, is requested. As part of the preconstruction phase services, Harper Corporation General Contractors, developed a Guaranteed Maximum Price (GMP) for the construction of the proposed improvements in the amount of $10,176,452.
BACKGROUND:
Contract 2017-0570 with Harper Corporation General Contractors in the amount of $335,354.08 was approved by City Council on July 18, 2017. The TZ Osborne WRF Electrical Buildings for BNR and Additional Electrical/Mechanical Upgrades Project provides for the construction of two electrical buildings and non-potable water improvements at the TZ Osborne Water Reclamation Facility using the CMAR project delivery method. The Work includes, but is not limited to, site grading, foundation preparation, sedimentation and erosion control, construction of two masonry buildings on concrete slab footings, purchase and installation of Motor Control Centers (MCCs), installation of conduit and ductbank for power and control, HVAC equipment, additional electrical components and upgrades, and installation of Owner-furnished NPW pumps and appurtenances.
The Water Resources Department requested approval for CMAR Services for the Project. The CMAR project delivery method was selected to provid...
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