Caroline County, Virginia Request for Proposals Project 25 Radio ...

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UHF/700 MHz P25 Radio Communications SystemRequestion for ProposalsCaroline County, Virginiafiberglass weather hood or awning. The door shall be equipped with ahydraulic door closer.2. The exterior door shall be of aluminum or steel (stainless or galvanized)construction with a finish to match the building finish.3. The door shall withstand the effects of bullets or other projectiles equivalentto a 30.06 high power rifle load fired from a distance of 50 feet with nopenetration to the inner cavity of the door. No interior damage shall besustained including insulation, interior walls, etc.4. The door sill shall be of stepped construction so as to prevent rain waterfrom entering the shelter at the bottom of the door or from around the doorframe. The door frame shall have a weather seal around the door to limit airand water intrusion.H. Finishing:1. The interior and exterior finishes shall be described by the RESPONDENT.Color and finishes shall be selected by the County from samples providedby the SELECTED VENDOR or subcontractor.2. All joints shall be sealed with a compressible, resilient sealant.I. AC power system:1. The Contractor shall deliver the building complete with a 200 amperecapacity, 240 volts, single phase electrical panel box with a ground bar.2. This panel shall be equipped with a 200 ampere capacity main circuitbreaker used to supply power for all electrical functions related to the site.3. One 200 Amp disconnect switch shall be provided to disconnect utilityservice from the shelter.4. One 200 Amp manual transfer switch shall be provided to switch betweenthe backup generator and generator receptacle.5. One 200 Amp generator receptacle shall be provided – Appleton #AR20044-RS.6. Overall panel size shall be determined by the need to provide the number ofindividual breakers required plus a reserve of at least six 240 Volt slots.7. Breakers for shelter air conditioning will be of the bolt-down, not snap-intype.May 27, 2011 Page 53 of 134
UHF/700 MHz P25 Radio Communications SystemRequestion for ProposalsCaroline County, Virginia8. Receptacles:a. Each radio equipment unit (or rack) shall be supplied with two 20Amp circuits, each terminated at a typical NEMA 5-20 receptacle.Receptacles shall be mounted to the side of the overhead cabletray.b. Service receptacles shall be mounted on the walls at six footintervals or less.c. One weatherproof Ground Fault Interrupt (GFI) exterior powerreceptacle shall be provided with each shelter, to be mounted nearair conditioning units.d. Each receptacle shall be fed from an individual breaker. The feedingbreaker shall be identified at the receptacle and the receptacle shallbe identified at the breaker. All breakers or circuits shall be 20 Amp,unless otherwise noted.J. Power line surge suppression:1. AC surge protector shall be provided and installed inside the shelter.2. An acceptable unit shall be an in-line type such as the AC Data Systems“integrated load center”. An alternate unit must meet or exceed all of thecapabilities of this model unit.3. Minimum surge protector requirements:a. Built-in redundancy of dual stages per phase with filteringb. Surge energy shunted to ground, not to neutralc. Front panel indicator lampsd. Remote / local status contactse. Fusible link protected so as not to interrupt powerf. Field replacement protection blocks, and fuses, if neededg. UL listed componentsh. 45 kA per phase ANSI C62.1 8/20 waveformi. EMI / RFI filtering per Mil-STD-220j. The unit shall be capable of handling the full 240 Volt, 200 Ampcapacity of the electrical system.May 27, 2011 Page 54 of 134
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Caroline County, Virginia Request for Proposals Project 25 Radio ...

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