Section_J_-_Att_No__010_Updated_Specifications_0002.pdf

This document is a set of construction specifications for a National Park Service project to replace electrical and water heaters in park housing at the Golden Gate National Recreation Area in Sausalito and San Francisco, California. The project involves multiple specific tasks across different buildings:

At Capehart Housing, the work includes installing eight 65-gallon heat pump hybrid water heaters at different addresses, with government-furnished pans and expansion tanks. At Dorm 1058, three heat pump hybrid water heaters will be installed in parallel, replacing existing tank water heaters. At Dorm 35S, one 80-gallon heat pump hybrid water heater will be installed. An optional line item covers installing plumbing and electrical for a washing machine at Building 1057. The project also includes an electrical service changeout at Building 937, involving replacing the electrical service, load centers, and associated components. The specifications detail technical requirements for water heaters, installation methods, painting, panelboards, and meters, with a May 21, 2025 document date reflecting changes in Amendment 2.