b'Table 6. Roof & CeilingRoof Rafter Framing (2 X 6 or 2 X 8@ 12 O.C.), 1/2 Wafer Decking, 15# Felt, & 240# Asphalt ShinglesROOF(1 Roof Overhang)PITCH CeilingJoist Framing (2 X 6 or 2 X 8 @ 12 O.C.), 1/2 Dry Wall& 10 Blown Insulation(No Attic Storage)SPAN TO INTERIOR SUPPORT 8 10 12 14 16ROOF PITCH Perimeter Weigh tlb/ft2 in 12 91 116 143 164 1853 in 12 or 4 in 12 92 123 145 166 1876 in 12 95 127 149 171 19312 in 12 107 154 168 193 218Table 7. Live Loads (LL) on Floors and AtticsResidential Occupant Live Loads6 8 10 12 14Span to Interior Support or Girder Perimeter Weightlb/ftFirst FloorWood Framing 40 lb/ft 2 120 160 200 240 280WOOD Second Floor 30 lb/ft 2 90 120 150 180 210FRAMEDFLOOR Habitable Attics 30 lb/ft 2 90 120 150 180 210Uninhabitable Attics 20 lb/ft 2 60 80 100 120 140CONCRETESLAB 4 Slab on Grade40 lb/ft 2 120FLOOR Reference:Excerpts from American Standard Building Code Requirements for MinimumDesign Loads in BuildingsA58.11955Note:Building techniques and Codes vary across the country; these tables are only to be used as a general guidefor structural load estimations on preliminary design work.When in doubt about the construction elements, add10% to 20% to load estimate or increase factor of safety of the design to 2.2 to 2.5 for Safe Use Design.Table 8. Estimated Soil Loads on FootingsPERMANENT Permanent Soil Load on a Footing ToeW dTEMPORARYSoil Height AgainstWall 2 4 6 7 8 9 10STEM Soil Load per inch of Footing Width 18 lb 37 lb 55 lb 64 lb 73 lb 83 lb 92 lbWALLHEIGHT"H" (ft) To determine the permanent soil load on a footing toe, multiply the actual width of the footingtoe (in inches) by the unit weight shown above for the soil height against the wall.40 DEG Graph 1. Temporary Soil Load (One Side)W tASSUMED12" Stem Wall Only/Turn Down Slab Footing & Stem WallPerimeter Weight (lb/ft)4000TEMPORARY3000STEMWALL 2000HEIGHT"H" (ft)40 DEG 100002 3 4 5 6 7 8 9 10SOIL DENSITY = 110 lb/cu ft Soil Height on Wall (ft)ECP Steel Piers - Technical Design Manual2021 Earth Contact Products, L.L.C.2021-09 Chapter 6 - Page 120 All rights reserved'