55 CONS/LGCXV, 901 SAC Blvd, Suite 1E16, Offutt AFB, NE 68113-5640

J -- GROUNDWAVE EMERGENCY NETWORK (GWEN) CONTRACT MAINTENANCE SUPPORT (CMS) SOL F25606-95-R5002 DUE 042695 POC POC: Cindy Beyer, (402) 294-6393, Contracting Officer, Gerald L. Chamberlen, (402) 294-7282. J - Maintenance and Repair of Equipment-Operation and maintenance support for approximately fifty-seven (57) GWEN Relay Node (RN) sites and backup power generator group (BUPG) assembly maintenance support at twenty-three (23) GWEN receive only (RO) and two (2) GWEN input/output (I/O) stations-Maintenance will be accomplished at equipment deployment locations (on-site maintenance)-The scope of CMS includes both real property and equipment maintenance and RN operational support services-Contractor will assume maintenance responsibility for the RN sites and I/O and RO station BUPG assemblies approximately 3 months after contract award-Contract period: Maximum contract duration, sixty (60) months:-Use of a firm fixed price contract with reimbursable line items is anticipated-The GWEN system is an emergency communications network deployed within the continental United States (CONUS) which provides high-altitude electromagnetic pulse (HEMP) protected communications connectivity to CONUS based strategic forces-GWEN I/O stations inject/receive GWEN communications traffic via an ultra high frequency (UHF) transmission to neighboring RN's-RN's relay/retransmit GWEN traffic via low frequency (LF) groundwave transmission to neighboring RN's-Relayed traffic is received by RO stations within detection range-GWEN I/O and RO stations are deployed at military installations-RN's are remote/unmanned sites strategically deployed throughout the CONUS to support network connectivity-Major elements of a typical RN site include: (A) three equipment shelters (BUPG, RN station, antenna tuning unit); (B) buried cabling, conduit and antenna ground plane; (C) 299 foot LF antenna tower; (D) concrete shelter pads and antenna guy wire anchors; (E) chain link fencing around major site features/elements; and (F) gravel access road/paths-Each RN site is approximately eleven acres in size, is generally accessed from a county road, and is supported with telephone service and commercial electricity-GWEN I/O and RO stations include a BUPG assembly identical to that found at RN sites-A BUPG encompasses a shelter housing a diesel motor/generator set, fuel tanks, electrical switch gear and hemp filtering/protection devices-The CMS contractor will assume an equivalent of Air Force organizational level maintenance responsibility for the RN sites and BUPG assemblies at I/O and RO stations-it is anticipated that the CMS contractor will need to deploy mobile maintenance teams to service/maintain the designated GWEN sites/assemblies-The contractor will be required to obtain a COMSEC account with the Government and program and obtain COMSEC keying materials necessary for maintaining the RN sites and to safeguard, manage, control and distribute to field maintenance activities support equipment and maintenance repair/replacement parts supplies by the Government-The Government anticipates applying a minimum operational ability as an effectiveness requirement for contractor maintenance of RN sites and I/O and RO BUPGs as a system-Full and open competition. RFP release date o/a 15 Mar 95. (0019)

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