8. Ngexesha lokuthula kwe-concrete, ukuthintela ukukhusela ukukhusela kwe-cage ekudadayo, amandla okucindezela amandla aneleyo kufuneka athathwe ukukhusela umbhobho wokuxinzelela. Ngexesha elinye, xa i-concrete ithalaliswa kumgangatho wokuxinzelela, i-conduit izakutsalwa kaninzi ukugcina ubunzulu obungcwatyweyo benqanawa kwi-1,5 m.Nciphisa amandla okukhawuleza xa ikhonkrete iphuma.<br>9. Emva kokuphalaza kwe-concrete, isiqalo sokuqala siqaliswa, okungukuthi, isixhobo esixhotyisiweyo sesikhephe sokuxinzisa siyasikwa, ukuze isikhuselo sokuxinzisa asiyi kuba nempembelelo yokunciphisa kwe-concrete kunye namandla okuxhotyiswa phakathi kokuxinziswa kwe-concrete.
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