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2021 International MV/PL Custom Titan 170 <br />Type I Ambulance Proposal Specification <br /> <br /> <br />A5347-0002 11/05/20 <br />2 <br /> <br />VERTICAL FRAMES: <br /> <br />FRAMES, Left and Right Sides: <br /> <br />The vertical left and right side frames shall consist of heavy duty custom aluminum extrusion mem bers. The vertical <br />corner and horizontal upper "Main Beam" shall consist of an extrusion with the minimum dimensions of 5 3/4 by 3 7/8 <br />inches with a cross section across the web of .1875 inches. Built into the inside edge of the vertical and horizontal se ction <br />shall be an area where the exterior door seal shall mate. This door jamb area shall be designed into, and be part of the <br />main corner extrusion. Door jamb sections which are welded in place are unacceptable due to the possibility of the welds <br />cracking which in turn leads to door and or exterior paint cracking and failure. The inside door jamb which is part of the <br />structural member (not a welded section) shall have minimum dimensions of 1 inch wide by 1 1/4 inches deep and have <br />minimum side vertical wall thicknesses of .1875 inches. This door seal and jam section shall be recessed behind the <br />exterior surface of the body approximately 7/8 of an inch to allow the door seal to be placed outboard of the door latches <br />and provide for a full uninterrupted hollo w core door seal mounted on every door. Each door of the vehicle shall seal on <br />this integrated section of the extrusion. The outer exterior mounted finish trim shall be sealed to the body during <br />fabrication. The sealant used shall be a high strength autom otive product which can be painted. All parts which utilize <br />sealant shall not be structural members but just trim sections. The FMVSS 206 Rated door closure bolt shall be mounted <br />directly to this structural member and not to a welded door jamb section. Door alignment shall be maintained by discrete <br />alignment grooves extruded in the custom shape. This designed in feature eliminates the need for excessive adjustment <br />allowance which could become maintenance issues at some future time. The area of the structural member which is in <br />contact with the roof box beams shall incorporate a 1/2 inch flange to carry the load of the roof structure and resulting <br />static load when applied. This support flange is utilized to prevent the need for the roof and roof structure t o be held in <br />place by the welds only. <br /> <br />The main support, structural members around the door openings shall incorporate a built in door seal and jam surface <br />similar to the one found around the main corner extrusion, with all the strength and design featur es the same. Two <br />distinctly different types of structural members shall be used for different types of door configurations. Doors which are <br />placed in the modular body which are not adjacent to any other door shall utilize an extrusion with the overall dim ensions <br />of 3 inches wide by 2 inches deep. This extrusion shall form the two vertical and two horizontal door seal, and jam <br />surfaces. Doors of this type which are placed on the forward most or rear most positions of the body, shall utilize the main <br />corner extrusion with its built in door seal to act as one side of the structural door seal and jam surface. For the same <br />reason a door which extends the full height of the modular body shall utilize the upper most main corner extrusion for the <br />top horizontal door seal and jam surface. Door configurations which have two doors adjacent to one another shall utilize a <br />structural body extrusion with minimum dimensions of 4 inches wide by 2 inches deep. Between each door shall be a <br />minimum of a 2 inch structural wall and floor support. Under no circumstances shall two adjacent compartments not <br />include this 2 inch structural member. Similar to previous door structural extrusions this member shall incorporate two built <br />in door sealing surfaces without the need for welding additional parts as stated previously. <br /> <br />The remaining structural members of the vertical side frames shall utilize 2 inch by 2 inch by .125 inch thick wall and 1 1/2 <br />inch by 2 inch by .125 inch thick wall structural box beam members. All members of the side vertical frames shall be <br />placed at a maximum of 12 inches on center. Closer spacing shall be utilized in areas of critical strength requirements. <br />Along the floor line, shall be 2 inch by 2 inch by .1875 inch structural angle attached to the side frame, which then during <br />assembly into a module shall be fully welded to the floor frame. These members shall act as the main attachment point for <br />the side frames, where the vertical frames meet the floor frame, and at this point of attachment full welds shal l be utilized. <br /> <br />VERTICAL FRAMES, Front and Rear: <br /> <br />The front and rear frames shall be fabricated utilizing the same main structural corner extrusion as the side vertical frame <br />along the horizontal top edge. The remaining structural members of this fram e shall utilize 2 inch by 2 inch and 2 inch by 1 <br />1/2 inch by .125 inch structural box beam members. These structural members shall be placed on a minimum of 20 <br />inches on center. A closer spacing shall be utilized in areas of critical strength. Rear facing door openings shall utilize