N4008523R2625 Amendment 0004 is posted to extend the submission deadline.N4008523R2625 Amendment 0003 is posted to extend the submission deadline, answer inquiries, and revise Section C.N4008523R2625 Amendment 0002 is posted to extend the submission deadline.N4008523R2625 Amendment 0001 is posted to include the site visit sign-in sheet, add a clause, update ELIN spreadsheet J-0200000-07 and answer inquiries.Provide all labor, management, supervision, tools, material, equipment, and other items necessary to perform grounds maintenance in Mechanicsburg, PA.The anticipated contract will be for a base period with four (4) one-year option periods, which cumulatively, will not exceed 60 months.All prospective contractors are required to register in the System for Award Management (SAM) database. Failure to have an active registration in the SAM database at time of proposal submission will make an offeror ineligible for award. SAM registration shall be maintained at time of award, during contract performance and through final invoice payment of the awarded contract. Offerors and contractors may obtain information on registration and annual confirmation requirements via the Internet at