The District of Columbia (the "District"), acting by and through its Department of General Services ("DGS" or the "Department"), Division of Contracts and Procurement, is issuing this Request for Proposal ("RFP") to engage up to two (2) Contractors ("Contractors") to provide all labor, materials, tools, supplies, lifts, equipment, transportation, for the maintenance, inspection and repair services of elevators, escalators, wheel chair lifts and conveyances for various District facilities. The awarded Contractors shall ensure effective performance of these services for a base period of one (1) year ("Base Year") and, per the District’s discretion, up to four (4) additional, successive one (1) year option periods (each an "Option Year").