Substructure and crawl space enclosure for factory constructed buildings

Abstract

A building support system assembled on a ground interface such as, but not limited to, an in-situ poured continuous concrete grade beam, using a plurality of adjustable stanchions and pre-cast cementitious panels. The fabricated stanchions attach to the building perimeter structural element and to said ground interface. Pre-cast cementitious panels with shear capacity attach to the stanchions, enclose the crawl space, retain soil, provide weather protection and with all components acting together transfer gravity, wind, snow and seismic forces from said building to said ground interface. The system has provisions for crawl space ventilation.

1 . A factory built building substructure with crawl space enclosure and a method of installation comprising:
 a. A plurality of metal stanchions having upper and lower ends connected by a metal all-thread rod.   b. An adaptation at said upper end to engage the perimeter structural member of said factory built buildings and a metal pipe to engage said all-thread rod   c. An adaptation at said lower end to engage a ground interface using a flat plate with anchoring bolts and a rectangular steel tube with contained nut to engage said all-thread rod.   d. A nut is attached to said all-thread rod as a means to rotate said all-thread rod which changes the height of said stanchion.   e. Flat surfaces on said upper and lower ends of said stanchions to adhere and fasten pre-cast cemetitious panels as a means of transferring forces between components and enclosing said crawl space.   f. A screened gap between the top of said pre-cast cementatious panels and said perimeter structural member of said factory built building as a means of ventilation.   g. A metal angle and a structural metal “T” shape to attache said pre-cast cemetitious panels where no stanchions are necessary.   
   
   
       2 . A substructure and crawl space enclosure according to  claim 1  wherein the number and placement of said metal stanchions and said pre-cast cementitious panels is determined by each individual said factory built building's mass, configuration and the natural forces it is subjected to. 
   
   
       3 . A substructure and crawl space enclosure according to  claim 1  that transfers gravity, wind, snow and seismic loads of said factory built building to said ground interface by mean of a combination of said stanchions and said attached per-cast cementitious panels as a structurally unified assembly more effectively then said structural components working independently. 
   
   
       4 . A method for installing said factory built buildings whereas:
 Said ground interface is constructed in advance. A plurality of said factory built building modules are maneuvered into position by delivery truck and commercially available jacks and rollers. A plurality of said stanchions are attached and adjusted to bear the load of said factory built building modules safely before work takes place underneath. Said factory built building modules are attached together according to the manufacturers instructions. Utilities are connected. Said pre-cast cementitious panels are adhered, fastened, waterproofed and backfilled.   
   
   
       5 . A method according to  claim 4  wherein a structurally unified assembly is the result. 
   
   
       6 . A method according to  claim 4  wherein a crane to lift said building modules into place is unnecessary for one story installations. 
   
   
       7 . A substructure and crawl space enclosure according to  claim 1  that has no metal components that are in direct contact with earth thus avoiding corrosion.