2115 15TH ST 2022 Plans 2025-07-08

MyBuildingPermit.com a service of eCityGov.net Construction Tip Sheet 05 When using the tables below, interpolation is allowed, extrapolation is not allowed. Sizing of Structural Elements Maximum Deck Joist Span a,c Joist Spacing b Joist Back Span Joist (inches) Size 12 16 24 4 6 8 10 12 14 16 18 Allowable Joist Span Maximum Cantilever (feet-inches) Adjacent Joist Span (feet) 2x6 7-11 7-1 5-9 1-0 1-6 NP NP NP NP NP NP 2x8 10-5 9-5 7-8 1-0 1-6 2-0 2-1 NP NP NP NP 2x10 13-3 11-6 9-5 1-0 1-6 2-0 2-6 2-8 NP NP NP 2x12 15-5 13-4 10-11 1-0 1-6 2-0 2-6 3-0 3-3 NP NP a. Includes Incising Factor. b. When using composite decking, refer to manufacturer's installation instructions for maximum spacing of joists. c. Spans based on Doug Fir-Larch, Hem Fir and Spruce-Pine-Fir, No. 2 grade, wet service factor. Minimum Beam Size Deck Joist Span (feet) 6 8 10 12 I 14 16 18 Beam Maximum Beam Span a,b,d(feet-inches) Size c,d,e 4x6 5-2 4-6 4-0 3-5 3-1 2-10 2-7 4x8 6-11 6-0 5-3 4-7 4-1 3-8 3-5 4x10 8-5 7-4 6-6 5-10 5-2 4-9 4-5 4x12 9-10 8-6 7-7 6-11 6-4 5-9 5-4 6x6 6-6 5-7 5-0 4-7 4-2 3-9 3-5 6x8 8-8 7-6 6-8 6-1 5-6 5-0 4-7 6x 10 10-7 9-2 8-2 7-6 6-11 6-4 5-10 6x12 12-4 10-8 9-7 8-9 8-1 7-7 7-1 a. Spans based on DougFir-Larch, Hem Fir and Spruce-Pine-Fir, No. 2 grade, wet service p factor. b. If 2x built up beams to make 4x or 6x beams, they shall be fastened with two rows of 10d (3-inch x 0.128-inch) nails minimum at 16 inches on center along each edge (507.5) c. Beam depth shall be equal to or greater than the depth of intersecting joist for a flush beam connection. d. Beam cantilevers are limited to the adjacent beam's span divided by 4. e. Includes incising factor. January 14,2022 MyBuildingPermit.com I Basic Deck l'- .,,,11.—eCityGov.not 2005, ECllyGa+,Ullenee