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SECTION B-B — PERIMETER GRADE BEAM CROSS SECTION : STEEL COLUMN / FRAME 21R" (PRE-ENG, BY OTHERS) ANCHOR RODS (67, a EPOXY-SET, TYP.) ——" 245M TOP ‘410M STIRRUPS: @ 1s O.c. . GRADE BEAM [even MD 2 DF xDRC i} 10" SLAB (ISM BOT sce SHT 1) 2 *AB“COMPACTEDGRAVELBASE. Slt tls icc: eleleies otat 46" GRAVEL + 1 softafousunpgnsissafsaiis 7+ 2+ le lel et sities aiet EXISTING GRADE (NO EXCAVATION) CONSTRUCTION NOTES —- GRADE BEAM: 1, Place & compact 16” granular gravel base on existing grade —- NO EXCAVATION; base continuous under slab and grade beam. 2, Cast 2-6" x 2-6" reinforced concrete grade beam on tapof compacted gravel base, continuously around perimeter. 3. Reinforce with 2-#5 bars top, 25 middle, 4.#5 bottom; #3 closed stirrups @ 48" 0.0, (ASTM A61E Gr. 60). 4. Set anchor rods (B7, epaxy-embedded) and base plates for steel columnsper siuctirat drawings, 5. Slab & gravel base, see Sheet 4. Verify all dimensions in field.