SHELTER SPECIFICATIONS

 

GENERAL DESCRIPTION: The shell of the shelter will be molded monolithic fiberglass reinforced polyester laminated, foam cored construction. Shelter shall be bolted to a sandwich panel floor atop a steel skid/floor support system.

 

SHELTER: All walls and roof of shelter will be a sandwich construction with no less than 1/8 inch FRP (Fiberglass Reinforced Polyester) laminate with a minimum of 15 mills Polyester gel-coat applied to the exterior.  2 ½” metal studs on 24” centers set into 3 ½” track will be bonded to the exterior laminate leaving an 1” space in front of studs, the entire 3 ½”cavity will then be filled with 2.5# class II urethane foam.  ½” AC plywood will then be fastened to studs and track.  1/16” of FRP laminate will then be applied over entire interior of shelter, resin for interior shall be fire retardant and meet ASTME-84 fire rating.  A Gel-coat will then be applied over the entire interior of shelter.  Wall thickness will be a minimum of four inches.  R-valve of walls and roof R-26.

 

FLOOR: Floor will be a wood/foam/wood (1 1/8 inch plywood top, urethane foam insulation, 3/4 inch plywood) sandwich construction. Bottom face will be fiberglass for weather resistance to a thickness of not less than 1/16 inch. Floor thickness will be no less than 5 inches. Wood blocking, 2 inch by 4 inch will be used as needed. Shelter will be attached to floor by bolts spaced as needed to meet design loads of shelter. Outside FRP shelter shell will cover edge of floor assembly and be totally sealed for weather penetration.

 

SKID ASSEMBLY: Assembly consists of two longitudinal beams with lateral floor supports as needed. Skid assembly will be bolted to floor. Assembly will extend beyond shelter walls to provide pick-up points. All steel will be hot dipped galvanized as per ASTM A-123.

 

DOOR FRAME, DOOR AND HARDWARE: Frame for door will be molded as part of shelter shell. Door will be same sandwich construction as shelter. Neoprene gasket will provide continuous seal of door to frame. All hardware will be as specified, which includes three hinges per door, and freezer style door latch.

 

SHELTER LOADS:  Shelter construction will meet listed loads:

                                    Wind load                    ~          130 MPH

                                    Snow load                    ~          160# PSF

                                    Live floor load              ~          300# PSF

                                    Seismic             ~          Zone 4

                                    Exposure                      ~          "D"