Building Permits - Genesee Township, Michigan



RESIDENTIAL WOOD DECK GUILD & PLANSBuilding PermitsBuilding Permits are required for decks. When making application, provide the following:2 sets of construction plans1 site plans indicating size, shape, placement, and distance from property lines and easements.Building permit application filled out.Required inspections Address on house min 4” tall and 1\2” widePost hole inspection (HOLES DUG AND CONCRETE IN)Rough framing inspection (IF UNDER 48” FROM GROUND)Final inspection Some decks may require additional inspectionsFoundationPosts to be set a minimum of 42” below grade minimum 12” round with minimum 6” of concrete and shall bear undisturbed soil.FramingAll material in contact with the ground shall be approved suitable for ground contact use. All other material shall be pressure treated of decay resistant decay or redwood.Framing FastenersAll nails, bolts, brackets and fasteners to the house with lag screws or carriage bolts into the rim joist of the main structure. Z flashing must be provided over the ledger board.StairwayAll stairs are required to be lightedStairways shall have a light source at the top landing that provides light to the stairs and landings.The light switch shall be controlled from the inside of the house. Motion detectors or timed switches are acceptable.TYPICAL FOOTING DETAIL & POST AND BEAM CONNECTION4X6 OR 6X6 NOTCHED POST WITH ?” THRU BOLTS OR EQUIVALENT TYPICAL 4X4 WITH APPROVED CONNECTORS6x6 REQUIRED AT BEAM SPLITS 1/2” THRU BOLTS OR EQUIVALENT @ EACH BEAMGRADE LINE42” BELOW FINAL GRADEMINIMUMCONCRETE PAD THICKNESS(6” MIN)FOOTING WIDTH(12” MINIMUM)FOOTING WIDTH(12” MINIMUM) JOIST SPAN APPROVED ANCHORSDO NOT BOLT TO SIDESSOLID CONCRETEDO NOT MIX CONCRETE IN HOLESUSE CLEAN WATER ONLYALLOWED JOIST SPANSSPANS ARE BASED ON SOUTHERN YELLOW PINE SPANS ARE IN FEET AND INCHES 19.4 AND 24” SPACING ARE FOR 2 X DECKING ONLYALLOWED BEAM SPANSDECK JOIST SPAN, LESS THEN OR EQUAL TO (FEET)BEAM SIZE6789101112131415162-2X66-116-55-115-75-45-14-104-84-64-44-32-2X88-98-37-77-36-96-56-26-05-95-65-42-2X1010-49-79-08-618-07-77-47-16-96-66-42-2X1212-211-410-710-19-59-18-78-38-07-97-63-2X68-27-87-57-16-86-46-15-95-85-55-33-2X810-1010-29-69-08-68-27-97-57-27-116-83-2X1013-012-111-310-710-09-69-28-98-68-27-113-2X1215-314-313-312-511-1011-010-910-410-09-89-4SPAN ARE BASED ON SOUTHERN YELLOW PINE SPANS ARE IN FEET AND INCHESSPACING OF JOIST NO CANTILEVERSPACING OF JOIST WITH CANTILEVERJOIST SIZE 12”16”19.4”24”12”16”19.4”24”2X69-119-08-37.76-86-86-86-82X813-111-1010-49-810-110-19-99-82X1016-214-011-511-514-61412-711-52X121816-615-113-618-016-615-113-6ALLOWED JOIST & STRINGER SPACINGSPACING OF JOIST NO CANTILEVERSPACING OF JOIST WITH CANTILEVERJOIST SIZE 12”16”19.4”24”12”16”19.4”24”2X69-119-08-37.76-86-86-86-82X813-111-1010-49-810-110-19-99-82X1016-214-011-511-514-61412-711-52X121816-615-113-618-016-615-113-6JOIST & STRINGER SPACINGDECKING SIZE90° TO JOIST45° TO JOISTSTRINGERS5\4 DECK BOARDS16” O.C. MAX12” O.C. MAX16” O.C. MAX2X6 DECK BOARDS24” O.C. MAX16” O.C. MAX24” O.C. MAXCOMPOSITE DECKING PER MANUFACTURER INSTALLATION INSTRUCTIONSCOMPOSITE DECKING REQUIRED TO MEET PROPER FLAME SPREAD RATING.FRAMING FOR ATTACHED TO HOUSE ADD BEAMS FOR MULTIPLE SPANSDECK SIZE: XJOIST SIZE: 2 X SPACING 12” 16” 24” SPAN: CANTILEVER SPAN:BEAM SIZE: 2 x 2 x BEAM SPACING: BEAM SPAN:(POST SPACING)CANTILEVER SPAN: APPROVED HANGERS REQUIRED36” MINIMUMSTAIRWAY WIDTHLATERAL BRACING REQUIRED WHEN DECK HEIGHT IS OVER 4’FRAMING FOR FREE STANDING2 OR MORE BEAMS FOR MULTIPLE SPANSDECK SIZEJOIST SIZE: 2 X SPACING: 12” 16” 24” JOIST SPAN: CANTILEVER SPAN:BEAM SIZE: 2 X 2 X BEAM SPACING: BEAM SPAN:(POST SPACING)CANTILEVER SPAN: HOUSE36” MINIMUMSTAIRWAY WIDTHLATERAL BRACING REQUIRED WHEN DECK HEIGHT IS OVER 4’GUARDRAILS4X42X JOIST BLOCKINGMIN 3 SIDESHOUSE DO NOT NOTCH RAIL POST2-1\2” THRU BOLTS OR EQUIVALENTALL 3 SIDESMAXIMUM 4”GUARD RAIL HEIGHT ________(MINIMUM IS 36”)30” AND OVER REQUIRES A GUARD RAIL60” AND UNDER REQUIRES 3RD INSPECTION4X4BLOCKINGTYPICAL GUARDRAILJOISTJOIST4x4SPINDLE TYPE _____________ WOOD METAL COMPOSITESPINDLE SPACING __________(MAXIMUM 4”)MAX 6’ BLOCK BOTTOM AT 3’GRASPABLE CONTINUOUS HANDRAIL WITH ENDS RETURNED REQUIRED WITH 4 OR MORE RISERS ON ONE SIDESTAIR & HANDRAIL DETAILS1 ? MINIMUM2? MAX GUARDRAIL34” TO 38” HEIGHT1 ? MIN2 MAX1 ? ” MIN2 ?” MAX3/4 MAX1 ? MIN7/8 MAX3/8 MIN5/16 MIN4 ? MAXIMUM34 ? “MINIMUM HEIGHTFOR GUARDRAIL4” MAXIMUM OPENING ON RISERS OVER 30” FROM GRADE6” MAX OPENINGAPPROVED HANGERSSTRINGER SPACING_______”RISER HEIGHT(8 ?” MAXIMUM HEIGHT)(NO MORE THEN 3/8” DIFFERENCE IN HEIGHT) TREAD DEPTH “(9” MINIMUM TREAD WITH ?” TO 1 ?” NOSING ON LESS THEN 11” TREADS) (NO MORE THEN 3/8” DIFFERENCE IN WIDTH) \s ................
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