This commercial products/services requirement is for work at Defense Distribution San Joaquin, California. The contractor will provide all labor, supervision, materials, tools, and equipment to design and modify the existing electrical system, including a 500 kW AC roof-mounted solar photovoltaic system for Building 56. The PV hardware and services must meet or exceed all local, state, and utility requirements, applicable codes and standards, and listing/qualification tests, with design and installation complying with the most recent documents. The contractor is responsible for the final on-site PV design based on site conditions, roofing materials, and selected components, and the system must adhere to California Building Codes, the California Solar Initiative, and CEC technical/installation specifications. Building 56 is fed by one existing electric substation with a 12,470/408V, 3,000 kVA transformer and switchgear rated at 4,000A bus bar with four existing 1,200A frame-size circuit breaker spaces available.

The contractor will design and modify the existing electrical system to include a 500 kW AC roof-mounted solar photovoltaic system for Building 56 at Defense Distribution San Joaquin California. The contractor must furnish all labor, supervision, materials, tools, and equipment. The PV system must meet or exceed local, state, and utility requirements, applicable codes and standards, California Building Codes, California Solar Initiative requirements, and CEC technical and installation specifications. Final design is the contractor’s responsibility based on site conditions, roofing materials, and selected system components. Existing infrastructure includes a 12470/408V, 3000 kVA transformer feeding Building 56 and switchgear with a 4000A bus bar and four available 1200A frame circuit breaker spaces.

The contractor will design and modify the existing electrical system to include a 500 kW AC roof-mounted solar photovoltaic system for Building 56 at Defense Distribution San Joaquin, California, providing all labor, supervision, materials, tools, and equipment. The PV system must meet or exceed local, State, and utility requirements; conform to applicable codes and standards; and pass listing and qualification tests. All design and installation must comply with current California Building Codes and standards, the California Solar Initiative program, and CEC technical and installation specifications. Final design is the contractor’s responsibility based on site conditions, roofing materials, and selected system components. Building 56 is fed by one existing substation with a 12470/408V, 3000 kVA transformer and switchgear rated for a 4000A bus bar with four available 1200A frame-size circuit breaker spaces.