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Code for buildings to be built in disaster areas, 2007, Ministry of Public Works and Settlement 

Code for infrastructure to be built in disaster areas, 2007, Ministry of Public Works and Settlement 

The Contractor shall provide printed or digital copies of these standards at the site office, for the use of the Engineer's and Contractor's personnel. 

## 6.1.3 Record of concreting 

The Contractor shall keep accurate and up to date records of concreting, showing for each day when sections of the works were concreted. These records shall include: 

 Date, time, weather conditions and temperature 

 Results of all concrete tests, including identification of which part of works the sampled mate- rial is representative 

 Number of batches produced, weight and kind of cement used, volume of concrete placed, number of batches wasted or rejected 

 Class of concrete, volume of concrete placed and number of batches used for each location. 

The laboratory where the concrete tests have to be carried out shall be approved by the Engineer and the Employer and be accessible for the said parties at any time. The laboratory should preferably be placed at the site. 

## 6.1.4 Classes of concrete 

The grades of Concrete to be used in the works are shown in the following table: 

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