This is a one-time contract for the 6-year maintenance, inspection, servicing, and recharge of 56 specific fire extinguishers. Services must be performed in compliance with NFPA 10 and the Amerex 490 Owner’s Manual. The work involves transporting the extinguishers from and returning them to Biggs Army Airfield facilities. The contractor must complete the services in batches of six extinguishers every three days, with an expected contract duration of approximately five weeks.