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2019 International MV/PL Custom Titan 170 <br />Type I Ambulance Proposal Specification <br />CIRCUIT BREAKERS: <br />All circuit breakers 30 amp or less, shall be plug in Manual and or Auto Reset type, All circuits which require greater <br />capacity shall utilize a Cooper Electric or equal 40 or 50 amp WAXI-AMP" manual or auto reset circuit breaker, <br />dependent on electrical application. <br />RELAYS: <br />Devices being switched with loads in excess of one (1) amp (12 waft) shall be accomplished through Potter & Brumfield or <br />equal, 40 amp SPDT 12 volt automotive relay switching devices. All relays used in the panel shall be of the same type to <br />insure complete compatibility and ease of re -placement. Relays shall be controlled through a ground signal from all <br />switches, including door post switches. All relays shall be plugged into the modular panel assembly including the 70 amp <br />power relays where required. All relay circuits utilizing the SPDT relays and SPST 70 amp relay shall include internal <br />suppression to eliminate voltage spikes in the electrical system. <br />GROUNDING: <br />All Modular Bodies shall be grounded to the vehicle chassis with two (2) 0 GA braided, tinned copper grounding straps <br />Circular copper conductors (battery cables) shall not be used. These ground straps meet requirements of both KKK-1 822- <br />F and Ford QVM Bulletin Q-18. <br />Each appliance (i.e. Lights, fans) shall be grounded to the body structure in close proximity to its location or by a ground <br />harness as required. The ground shall be equivalent to its feed wire size and be minimized in length. Each ground <br />-t <br />,tached directly to the vehicle structure shall use machine screws with star washers or ring terminals with serrated ring to <br />a positive contact at all times. <br />All Body harnesses shall be contained within the body. Harnesses shall not run on the underside exterior of the body. <br />Under hood harness shall be protected within high temperature convoluted loom. All connections exposed to the <br />elements, or under hood, shall be made within "waterproof' heat shrink connections. This type of connection shall also be <br />used on all heavy duty battery cables. All battery cables, both positive and ground shall be machine crimped and fully <br />soldered prior to addition of waterproof heat shrink tubing. Any exposed connections not in heat shrink and battery <br />connections not soldered shall be rejected. <br />All Electrical Systems shall include three (3) spare relays and spares of the correct size circuit breakers utilized, shall be <br />mounted within the Electrical Distribution Panel. <br />12V - 110 VOLT CIRCUIT SCHEMATIC <br />DOCUMENTATION: <br />All harnesses, relays, circuit breaker terminal junction points and circuits shall be drawn on individual 8 112 x 11 size <br />drawings. Each individual circuit shall be on (1) drawing, for ease of troubleshooting. A single drawing overall schematic <br />is unacceptable. All electrical systems shall be designed for each vehicle. Generic or similar drawings are cause for <br />rejection of vehicle. All schematics shall include only what circuits are provided in the proposed vehicle. <br />ELECTRICAL ANALYSIS: <br />Proper balance of the electrical system output and vehicle draw is critical in the design of all emergency vehicles. Vehicle <br />proposed shall be provided with a detailed electrical analysis generated by the manufacturer of the ambulance and <br />specific to this proposed vehicle and specific electrical equipment requested. General statements will not be acceptable. <br />A4539-0001 08/24/18 <br />31 <br />