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The Smithsonian Institution (“Smithsonian”) is providing this Notice of a Pending Solicitation for the installation of emergency generator at National Museum of American History (NMAH) 1300 Constitution Ave NW, Washington, D.C., 20560. The applicable North American Industry Classification Codes (“NAICS”) are: 236220 - Commercial and Institutional Building Construction size standard is $45.0 million. 238210 – Electrical Contractors and Other Wiring Installation Contractors size standard is $19.0 million. Construction Budget: Over $10M. Project Information: The purpose of the NMAH: Install Emergency Generator project is to replace an aging 300 kW diesel-fueled generator located on the museum's lower level, which has exceeded its operational lifespan. This will be accomplished by furnishing and installing two (2) new 500kW natural gas-fueled generators, on the roof adjacent to the existing emergency generator. The project also includes all necessary work to support the installation, including routing a new natural gas line through the building, and performing all associated structural, mechanical, electrical, plumbing, security, hazardous material abatement, and architectural modifications required to ensure full functionality, seamless integration with existing systems, and future serviceability and maintenance. Specifically, work under this project includes but is not limited to: Install two (2) new natural gas powered 500kW generators with integral paralleling gear on a new rooftop structural steel platform. Convert existing collections storage space (Room 4606) to a new Emergency Electrical Room to contain a new switchboard, ATS's, transformers and panelboards. Decommission and remove existing Diesel generator on lower level. Coordination between complex existing building which will remain fully operational and open to the public during the duration of the work and new electrical and gas service pathways throughout. Existing conditions documentation early in the construction phase for implementation into BIM models. Development of coordination and construction BIM models early in the construction phase that depict existing conditions and proposed service pathways to enable the short circuit Study. A short circuit study of the proposed project prior to equipment submittals. Protection of existing finishes in the areas of work. Subcontract with a qualified collections handler to relocate objects in the cabinets indicated in the logistics plan to storage location within the building. Collections handler and GC shall be insured and qualified to work in a collection's environment. Relocation of collections storage equipment including shelves and cabinets. Installation of a new gas line throughout the building to the roof to serve the new generators, including a quality control in situ mock-up. Installation of new conduit, MI cabling, panelboards, and pull-boxes throughout the building. Removal of existing conduit, panelboards, and pull-boxes throug…
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