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(See below for Simpson pictures.) <br /> The ledger joist is attached with Simpson Tension Ties, <br /> DTT, that are spaced every 4 feet. <br /> Ledger is also bolted with 5 %2 inch ledger lock bolts, <br /> 2 bolts through ledger and existing rim joists <br /> into the ends of each existing floor joists. <br /> Posts: there are 2 post and beam systems. <br /> The post and beam system at the ledger joist are <br /> 4x4 treated on Simpson ABU44 bases, <br /> attached to a 4x8 continuous beam. <br /> The posts at end of deck are treated 6x6 appearance grade <br /> lumber, on Simpson ABU66 galvanized base, <br /> on existing concrete slab that is 9 inches thick, 12 x 12 feet area. <br /> Joist are 2 x10 treated incised, 16 oc. attached with <br /> Simpson HD galvanized joist hangers. <br /> Joists are attached to beam with H1 Simpson Connectors. <br /> 2 Footings are 28 inches deep, "belled" — 14 inches diameter at <br /> bottom on hard pan, and belled up to 10 inch form at top, <br /> reinforced with 4 pieces of rebar, typical. <br /> Post caps are Simpson CCQ 46 and CCQ44, heavy duty, <br /> attached with %4 inch diameter Simpson galvanized bolts to Beam <br /> per manufacturer specifications. <br /> Beams are treated 4 x 8 — 18, continuous. <br /> Deck Surface is Trex. <br /> Rail is manufactured of extruded aluminum <br /> and tempered glass bolted into integral frame blocking. <br /> 11 <br />