Replacement of TX1/TX2 Transformer Breaker at U. S. Embassy Singapore

This Special Notice Amendment No. P0001 to RFP No. 19SN1026R0003 was published by the Department of State U.S. Embassy Singapore on February 22, 2026, with a response deadline of February 23, 2026. The Notice concerns the replacement and modernization of two Siemens compound circuit breakers (TX-1 and TX-2) at the U.S. Embassy Singapore facility located at 27 Napier Road, Singapore. This is a civilian contract opportunity classified under NAICS Category 238210 (Electrical Contractors and Other Wiring Installation Contractors) and PSC Category N059 (Installation of Equipment—Electrical and Electronic Equipment Components). The amendment revises the Statement of Work in its entirety and was effective January 21, 2026. The solicitation seeks qualified contractors to execute this critical infrastructure upgrade at an active diplomatic facility.

The primary objective of this contract is to remove two aging Siemens compound air circuit breakers and replace them with new Air Circuit Breakers (Siemens WL series or technically equivalent), along with installation of motorized and manual charging mechanisms, remote control panels, dedicated power supply with UPS backup, BACnet-compatible power monitoring systems, and restoration of transformer temperature monitoring. The contract is structured as a firm-fixed-price award with a 30-calendar-day period of performance from notice to proceed, requiring completion of all installation, testing, commissioning, and documentation within that timeframe. Contractors must provide all labor, materials, tools, testing instruments, and safety equipment, and perform high-voltage work under Licensed Electrical Worker supervision, comprehensive electrical testing, and training for Embassy personnel. The work must comply strictly with Embassy security, access control, and safety policies, including lockout/tagout procedures and proper incident reporting. No specific eligibility restrictions or set-asides were identified; however, contractors must demonstrate capability to execute specialized electrical work at a secure diplomatic facility with stringent safety and security requirements.