Title
Resolution Authorizing Change Order in the Amount of $17,822,035 to Contract 2014-1160 with Garney Companies for Construction Manager At Risk Construction (CMAR) Phase Services for the T.Z. Osborne Water Reclamation Facility 56 Million Gallon per Day (MGD) Upgrade - Package III Project
Body
Department: Water Resources
Council District: 2
Public Hearing: N/A
Advertising Date/By: N/A
Contact 1 and Phone: Steven Drew, 373-7893
Contact 2 and Phone: Mike Borchers, 373-2494
PURPOSE:
In order to commence construction phase services using the Construction Manager at Risk (CMAR) project delivery method for the T.Z. Osborne Water Reclamation Facility (WRF) 56 MGD Upgrade - Package III Project, City Council approval of a change order with Garney Companies, the Construction Manager, is requested. As part of the preconstruction phase services, Garney Companies developed a Guaranteed Maximum Price (GMP) for the construction of the proposed improvements in the amount of $17,822,035.
BACKGROUND:
Contract 2014-1160 was approved by City Council on September 2, 2014 with Garney Companies in the amount of $444,506. The T.Z. Osborne WRF 56 MGD Upgrade - Package III Project provides for gravity filter improvements, chlorine contact chamber outfall and improvements, and electrical improvements at the T.Z. Osborne Water Reclamation Facility using the CMAR project delivery method. These improvements support the plant expansion for future regulatory compliance.
The Water Resources Department requested approval for CMAR Services for the T.Z. Osborne WRF 56 MGD Upgrade - Package III Project. The CMAR project delivery method was selected to provide an opportunity to engage the construction contractor during the design phase, who in turn, can provide value engineering and construction insight on complex portions of the proposed work. It also provides for a much more collaborative and open project delivery process with GMP development earlier in the projec...
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