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Showing posts from February, 2016

CONCRETE COVER

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MINIMUM CLEAR COVER TO MAIN REINFORCEMENT IN 1.      FOOTINGS                                                     :50mm 2.      RAFT FOUNDATION TOP                          :50mm 3.      RAFT FOUNDATION BOTTOM/SIDES   :75mm 4.      STRAP BEAM                                                 :50mm 5.      GRADE SLAB                                                 :20mm 6.      COLUMN                                                         :40mm 7.      SHEAR WALL                                                :25mm 8.      BEAMS                                                             :25mm 9.      SLABS                                                               :15mm 10. FLAT SLAB                                                     :20 mm 11. STAIRCASE                                                     :15mm 12. RETAINING WALL (on earth )                    :20/25mm 13. WATER RETAINING STRUCTURE           :20/30mm