This announcement constitutes a Request for Proposals (RFP) in accordanxce with Federal Acquisition Regulation (FAR) Part 15 "Contracting by Negotiation". This procurement will be conducted as a partial small business set-aside in accordance with FAR Subpart 19.5. The Government anticpates award of a Multiple Award Indefinite Delivery Indefinite Quantity (IDIQ) contract with a five (5) year period of performance consisting of one base year, four (4) one-year options and one six-month option to extend services. All task orders issued against this IDIQ will be Firm Fixed Price. Award will be made based on the best value to the Government using a subjective tradeoff source selection process. Please note all RFP amendments or other publicly releasable information will reside within this announcement in the Contract Opportunities section of SAM.gov. To be eligible for award, Offeror must be registered in SAM.gov. No paper copes of the RFP will be issued. No paper copies of proposals will be accepted. Offerors are responsible themselves to check SAM.gov for amendments to this RFP. Questions should be addressed to the Primary Point of Contact listed in this announcement, Mr. David A. Kaplan, Contract Specialist at email David.A.Kaplan@usace.army.mil and a copy submitted to the Secondary Point of Contact, Mr. Douglas E. Pohlman, Contracting Officer at email: Douglas.E.Pohlman@usace.army.mil. The Government will consider all correspondence submitted prior to the deadline for questions, but will not issue individual responses. No questions will be accepted via telephone with the exception of the pre-proposal conference scheduled for Monday 21 October 2024 at 11:00AM US Eastern Daylight Time (EDT). No individual meetings with offerors will be scheduled. Voicemails or requests for meetings will not receive a response. Questions received after the deadline for questions may or may not recieve a response. Questions are due no later than 4:30PM EDT on Thursday 24 October 2024 . See the attached SF33 and supporting attachments for additional information. Amendment 001 is issued to extend the due date and time for proposals to 15 Novemeber 2024. Amendment 002 is issued to extend the due date and time for proposals to 20 Novemeber 2024, and to provide answers to questions. Additionally, the QASP is being provided as Attachment 6. Attachment 1 PWS, Attachment 1A PWS Appendix 1A, and Attachment 5 - Price Sheet are amended. Amendment 003 is issued to clarify submission requirements related to level of effort and prices and to provide answers to supplemental questions. Offerors shall proposed hourly labor rates per labor category on Attachment 5 - Price Sheet is amended and superseded by the version dated 2024.11.14. Offerors shall propose a level effort per each labor category per each contract year using Attachment 7 - Level of Effort which is included as a new attachment. The Standard Form 33 "Solicitation, Offer and Award" amended 2024.11.14 supersedes th…