Specifications include, but are not limited to: Vendor shall supply all labor, tools, transportation, materials, equipment and permits as necessary and required to perform services as described herein. Persons performing maintenance and recharging of extinguishers shall be certified. Vendor shall provide annual inspection of all types of extinguishers and of all related parts and components. Recharge fees should be based on the extinguisher type and size. The Hydro-test charge shall cover the hydro-test only. Additional recharge fees may apply. The maintenance and test charge shall cover maintenance testing only. Additional recharge fees may apply. At the Vendor’s option, loaner units can be supplied, at no additional charge, for a period not to exceed ninety (90) days. The services shall allow for the purchase of extinguishers as needed to replace existing extinguishers or for additional extinguishers.