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SPECIFICATIONS <br />General Requirements <br />One (or more) open circuit, self contained breathing apparatus such as a Scott NxG2 20033~,~-6~, ~ ~ <br />equal, consisting of the following major sub-assemblies: (1) cylinder and valve assembly for <br />storing breathing air under pressure; (2) full facepiece assembly; (3} an automatic dual path <br />redundant pressure reducing regulator; (4) a removable, facepiece-mounted, positive pressure <br />breathing regulator with air-saver switch, low-pressure alarm and purge valve; (5) a harness and <br />backframe assembly for supporting the equipment on the body of the wearer; (6} a shoulder strap <br />mounted, remote gauge indicating cylinder pressure; (7) a heads-up display (H[ID}redundant <br />low-pressure alarm; and (8) a rapid intervention crew/universal air connection (RIC/UAC). <br />The unit shall be covered by a warranty providing protection against defects in materials or <br />workmanship. This warranty shall be for a period of eight years on the SCBA, except for the <br />pressure reducer, which shall be covered for 15 years. Electronic components shall be warranted <br />for three years. The SCBA shall be certified by l~]IOSH/MSHA as conforming to the Code of <br />Federal Regulations, 42 CFR 84. This apparatus, without modification, shall be NTOSH/MSHA <br />certified. The apparatus shall meet all requirements of NFPA-1981 Standard onOpen-Circuit, <br />Self Contained Breathing Apparatus, 2002 edition. The apparatus shall be CBRN approved. <br />Successful bidder agrees to provide, at his own expense, afactory-trained instructor for such time <br />as the department head shall require for complete instruction in the operation and maintenance of <br />the apparatus. Any exceptions to these specifications must be detailed in a separate attachment, <br />and failure to do so will automatically disqualify the bidder. Successful bidder must be afactory- <br />autharizeddistributor to sell the equipment specified herein. <br />Cvlinder & Valve Assembly Tvpe and Requirements S e.-N 2 0 01 I L $ - e l <br />Each cylinder valve such as a Scott '1, or equal, shall consist of the following: (1) a hand <br />activated valve mechanismwith aspring-loaded, positive action, ratchet type safety lock and lock- <br />out release for selecting "lock open service" or "non-lock open service"; (2} an upstream <br />connected frangible disc safety relief device; (3) a dual reading pressure gauge indicating cylinder <br />pressure at all times; (4) an elastomeric bumper; (5) an angled CGA inlet for charging; and (b) a <br />tri-lobe ergonomically designed hand-wheel. <br />The Cylinder Valve shall be designed with a quick connect that delivers air directly to the first <br />stage pressure-reducing regulator. The cylinder valve shall be offered with a CGA 346 ar CGA <br />347 fitting for the purposes of filling the cylinder only. The fill fitting shall have a check valve to <br />prevent flow from the cylinder. The fill fitting shall be provided with a dust cover to protect the <br />threads from damage and prevent the interior surfaces from being contaminated when not in use. <br />The dust cover shall have a means preventing air loss in the event the check valve fails. The dust <br />cover shall be retained to the cylinder valve. <br />The cylinder valve shall be a "fail open" type, constructed of forged aluminum and designed such <br />