This structural section details a concrete platform overhang bearing on a Retaining Wall Type 5, with a one-inch thick expanded polystyrene joint filler placed between the top of the wall and the platform. The reinforced concrete platform features number five reinforcing bars spaced at twelve inches on center throughout, with a depth varying up to three feet two inches at the outer edge and a one foot four inch thickness at the drop. The assembly establishes a three-foot zero-inch cantilever dimension and maintains specified concrete clearances of two inches and three inches. Finished grade and an existing storm drain manhole are indicated adjacent to the retaining wall base.
FG See "Civil Site Details" Retaining Wall Type 5 Drain Manhole Existing Storm #5 @ 12 Top Of Wall And Platform To Fill Gap Between 1 " Thick Expanded Polystyrene #5 @ 12 #5 @ 12 #5 @ 12 3’-0" Platform 20’-0" & Varies 1 ’- 0 " 8 " 4’-0" MIN 1 ’- 4 " 2’-3" (Min) 10 " C l r 3 " C l r 2 " #5 (Typ) 3 ’- 2 " 1’-6"
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