The contractor must provide all labor, materials, equipment, and supervision to remove and replace five motor fan drive shaft bearings at USCG Base Boston in Boston, MA. Quotes must be firm fixed price, include lead time for parts, and provide a detailed cost breakdown with a completed SF18 form. The Service Contract Labor Standards (FAR 52.222-41) applies to this work. The relevant NAICS code is 811310 with a size standard of $12.5 million. Performance location is specified as Boston, Massachusetts.