FROM: Robert Thompson, General Manager
Originator: Mike Dorman, Director of Engineering
SUBJECT:
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OPERATIONS AND MAINTENANCE FACILITY IMPROVEMENTS AT PLANT NO. 2, PROJECT NO. P2-138
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
Approve a contingency increase of $2,532,649 (32%) to the existing Professional Design Services Agreement with Stantec Architecture, Inc. for the Operations and Maintenance Facility Improvements at Plant No. 2, Project No. P2-138, for a total contingency of $3,324,102 (42%).
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BACKGROUND
The Orange County Sanitation District's (OC San) existing two story Operations Center and cart barn was originally constructed in 1977 and was remodeled and expanded in 1992 and 1994. The existing Maintenance building was originally constructed in 1998. Both the Operations and Maintenance Buildings have seismic and geotechnical deficiencies and are at risk of damage during a seismic event.
The project initially planned to build a new Operations Building in the north area of Plant No. 2, allowing space for future Maintenance and Construction Management buildings, and to retrofit the existing Maintenance Building. Currently, Construction Management and Risk Management staff are located in trailers. Due to high mitigation costs associated with retrofitting the existing Maintenance Building, replacement was recommended. This approach enables the construction of a single, centrally located facility for Operations, Maintenance, Construction Management, and Risk Management staff on the site of the existing Maintenance Building and parking lot, rather than executing the project in phases. The project budget was increased in Budget FY 2024-25 and 2025-26 to include the increased cost for a single building. This change preserves maintenance efficiency, emergency response times, frees up more space for future process improvements, and improves staff collaboration. This will also preserve the existing constructio...
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