The U.S. Embassy Annex in Pretoria requires professional services for planned maintenance and inspection of its low voltage diesel standby generator systems. Offerors must quote firm fixed pricing in South African Rand, with no allowance for price or exchange rate fluctuations after order placement. No deposit payments will be authorized; payment via EFT will be made within 30 calendar days after service delivery and receipt of invoice, whichever is later. Quotes must be submitted on company letterhead with contact details, and the successful offeror must accept the attached FAR and DOSAR clauses.