This elevation details reinforcing requirements for a hollow unit masonry wall with a structural opening. Cross-hatched areas indicate the extent of the structural lintel above the opening, requiring a minimum depth of sixteen inches and two feet typically beyond the opening edges. Additional vertical reinforcing matches the typical wall reinforcing in cells adjacent to openings and extends the full story height for openings greater than four feet in either direction. Horizontal reinforcing includes additional bars of the same size spanning across openings greater than four feet wide, with laps per general notes. Vertical and horizontal rebar must be spliced and dowelled in accordance with general structural notes.
NOTES: CROSS HATCHING AREA INDICATES EXTENT OF STRUCT. LINTEL - NO PENETRATIONS PERMITTED WITHOUT PRIOR APPROVAL. FOR REQ'D DEPTHS SEE (16" MIN.) 2'-0" TYP. TYP. VERT. WALL REINF. PER SPLICE ALL VERT. REINF. PER GENERAL NOTES PROVIDE DWL TO MATCH VERT. REINF. ADD'L VERT. REINF. TO MATCH TYP. WALL REINF. IN CELLS ADJACENT TO OPN'G EXTEND FULL STORY HT (TYP. ALL OPN'G GREATER THAN 4'-0" IN EITHER DIRECTION) TYP. HORIZ. REINF. - LAP PER GENERAL NOTES ADD'L REINF. SAME SIZE AS HORIZ. REINF. (TYP. ALL OPN'G GREATER THAN 4'-0" WIDE) TOP OF CONC. LINTEL REINF. TYP. VERT. REINF. TO MATCH TYP. WALL REINF. IN CELL AT WALL END OR CORNER - TYP. 2 S1.21 2 S1.21
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