| 03125 Protection
Protect material and concrete from inclement weather and damage by work on other trades.
03126 Replacement
In the event of damage before and after installation, replace or rectify at no additional cost to the Investor.
03127 Concrete Testing
031271 Cube tests
Test cubes for anyone structure, shall be prepared by the same person all the time. Samples shall be made or any one structure, at the same time from the same batch of concrete about to be placed in the structure. A slump test shall be made from the same sample. Test cubes shall be made as and when directed by the Engineer; but not less than one set of nine cubes shall be made for each 100m3 of concrete placed, or if the rate of placing is less than 100m3, then each 10 days or every floor for multi-storey structures.
Three cubes of each set shall be tested at 3 and 7 or 7 and 14 days and the third at 28 days all in accordance with the Code of Practice, ASTM, BS, or ESI test methods. Upon delivery of each new consignment of cement or other change of material or proportion, nine extra cubes shall be made and tested.
Cubes shall be clearly marked and dated as instructed. An accurate record of the location of the concrete for which the test is ordered shall be kept.
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