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Firedome PX HelmetBid Specifications for PX Helmets
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Helmets for Structural Firefighting shall meet or exceed NFPA 1971 Standard on
Protective Ensemble for Structural Fire Fighting 2007 Edition (Pertaining to
Structural Fire Helmets). Certification/verification shall be furnished by
written documentation supplied by a recognized independent third party test
laboratory A sample helmet meeting the requirements of this specification shall be supplied upon request for inspection and verification of compliance within 10 working days. The authority having jurisdiction reserves the right to accept bids submitted per their evaluation based upon compliance to the standard performance and any other applicable requirements concerning fit and function. The authority having jurisdiction reserves the right to accept the most appropriate helmet based on the above stated criteria without regard to lowest price offerings. Successful bidders shall ship helmets per award from the manufacturer within 14 working days of receipt of order from the distributor. General: Helmets conforming to this specification are designed to help protect the firefighter from head and neck injuries related to structural firefighting activities. The helmet manufacturer shall be certified ISO 9001 company to assure quality procedures and production capabilities. Physical Configuration The basic helmet shall be flared, rear-brim design with a length of 14", a width of 10" at the faceshield hardware and a height of 6-7/8". Shell The helmet shell shall be of contemporary style and shall be constructed of heat-resistant thermoplastic. Color pigment shall be added to the thermoplastic as part of the manufacturing process that molds the helmet to help maintain appearance by masking chips and scratches that might occur in daily wear and tear. The shell finish shall be available in white, yellow, red, black, orange and lime-yellow. The edge of the outer shell shall have an aluminum reinforced, elastomeric edge beading that is secured at the rear of the brim by a stainless steel clip and D-ring fastened by a stainless steel rivet. The edge beading shall not melt, drip or ignite when tested to NFPA 1971-2007. Impact Liner System The impact liner shall consist of a urethane foam liner glued to a black ABS inner shell. The urethane foam liner shall be formed without the use of CFC's to eliminate the potential for additional expansion when subjected to heat during actual use. The black ABS inner shell shall have four 1" x 3" pieces of adhesive-backed Velcro® hook material attached, two to each side, to secure the ear/neck protector at the side of the inner shell. Crown Strap Suspension System The crown strap suspension system shall be three 3/4" nylon web straps attached to 6 nylon keys. The keys shall be locked into the lip of the inner shell against the urethane impact liner. Ratchet Headband The helmet shall have a quick-adjustment sizing capability by means of a ratchet adjustment system attached to a heat-resistant nylon headband. The headband shall be attached to the ABS inner shell by four black acetal buttons (two front, two rear). The headband shall have the ability to be raised or lowered inside of the inner shell by location points on the headband. This adjustment shall not affect the height of the helmet on the firefighter's head. The ratchet portion of the headband shall have a ratchet height adjuster located at the rear of the headband, inside of the inner shell, to permit the ratchet to be positioned for comfort on the nape of the firefighters head. This ratchet height adjuster shall permit at least 1" of travel by means of three height adjustment slots for proper fit. This independent adjustment component shall have a 3/4" piece of adhesive-backed Velcro hook material attached at the center rear of this component to secure the rear portion of the ear/neck protector. The ratchet housing shall be wrapped in a cushion-backed leather cover to enhance fit and comfort at the nape of the head. This leather ratchet cover shall be attached by four pieces of Velcro hook and loop material to permit removal for cleaning and replacement. Brow Pad The headband shall be supplied with a fire retardant (FR) knit brow pad, backed with foam cushion padding material at the forehead. This brow pad shall be attached by Velcro hook and loop material to permit removal for laundering and replacement. Attachment to the headband with stitching will not be permitted. Chin Strap The chin strap shall consist of two pieces of 3/4" black Nomex® webbing with a super-tough nylon quick-release buckle and a chrome-plated postman's slide fastener. The male side of the quick-release buckle shall be anchored to the right side of the outer shell with a dielectric anchor block secured to the faceshield-mounting bracket with 2 stainless steel screws. The long portion of the chin strap with the female side of the quick-release buckle and the postman's slide fastener shall be attached to the left side of the outer shell in the same manner. When the chin strap is connected and fully extended, maximum length shall be at least 24" when measured from one anchor block to the opposite anchor block. Ear/Neck Protector The ear/neck protector shall consist of a 6 oz. rip-stop Nomex outer shell backed with two layers of flame retradant cotton flannel for comfort and protection. A 1" strip of Velcro loop material shall be stitched in one continuous band across the top of the outer shell portion of the ear/neck protector for attachment to the inner shell. When properly attached to the inner shell of the helmet, the ear/neck protector shall have the following minimum coverage to the sides and rear of the helmet brim:
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