( l CONCRETE COVER OR PROTECTION The proper amoont of concrete co. <:r on the,:einforoing bars is very importmt The Enginca specifics the amount of concrete protection for each J)IUt of the stt Ucturc and bases the design on these cover rcquircmc n1S, laking into consid,­ enition the requirements of building codes, fin: hazards, possibility of corro­ sion, and e,cposure to weather. 11/2"100!Jl$idtof m #Cthfll.,l2". II IIQttll'IJltt-¾.. #$611'1dwt¼ ".....,,. 1¼ (b) Walls 1% ld) Beams 3/. "~3/,"....,,.. ~)Jltabs" (~ts" -11Ct-. UBuildi.. Codo~"lll<Slnlcoa mt Co1""'°(ACt3tl-t,~ Soetloo 20. 5. t. l. t. Coocrctc oowu illustnitod we fot sl3bs « joists nee: exposed to~ or in 001t11Ct 'With pund. For 114 and #18 bm in slab$ or joists. the rccpnd concrccc CO¥Cr° is I1/2 inc:ks. fig, 11-1 Minimum Concrete Covo,.. 11-2 concne Rainforct,g Stoot tn Slitute Section 609 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 6-9