GAIL (India) Limited

123.3 PLANT AND EQUIPMENTThe contractor shall submit the following to the Consultant well in advance.The proposed program, methods and details of plant and Equipment for be used to testing of ingredientsand concrete samples.The proposed programme methods and details of plant & equipment to be used for concrete work.3.4 REPORTS FOR INSPECTION AND TESTINGDuring concreting operations, the contractor shall conduct inspection and testing as described under thelist of mandatory tests in this volume and all reports thereon shall be submitted in summary form to theConsultant / Engineer-in-charge.3.5 SCHEDULESBefore commencement of the work the contractor shall prepare working schedules of concreting givingdates and rate of pour for each item of work and submit the same to the Consultant / Engineer-in-chargefor their approval.3.6 MATERIALSBefore bringing to the site, all materials for cement concrete shall be approved by the Consultant /Engineer-in-charge. All approved samples shall be deposited in the office of the Consultant / Engineer-inchargebefore placing orders for the materials with suppliers The materials brought on to the work shallconform in every respect to their approved samples.Fresh samples shall be deposited with the Consultant / Engineer-in-charge whenever type or source of anymaterial changes The contractor shall check each fresh consignment of materials as it is brought on to theworks to ensure that they conform to the specification and / or approved samples.The Consultant / Engineer-in-charge shall have the option to have any of the materials tested to findwhether they are in accordance with specifications at the contractor ‘s expense. All bills vouchers and testcertificates which in the opinion of the Consultant / Engineer-in-charge are necessary to convince him asto the quality of materials or their suitability shall be produced for his inspection when required.Any materials which have not been found to the specification and not approved by the Consultant /Engineer-in-charge shall be rejected forthwith and shall be removed from the site by the Contractor’s athis own cost within the time stipulated by the Consultant / Engineer-in-charge. The Consultant / Engineerin-chargeshall have the powers to cause the contractors to purchase and use materials from any particularsource, as may in their opinion be necessary for the proper execution of work.3.6.1 CEMENTCement shall be provided by the ContractorOn the following types of cement as specified shall be useda. Ordinary Portland Cement 43 grade confirming to BIS 8112-1987b. Ordinary Portland Cement 53 grade confirming to BIS 12269-1987Cement at site shall be stored in dry weather proof go-downs (or shed) built by the Contractor at his owncosts in stacks which are not higher than 10 bags. The cement go-down shall be constructed as per CPWDspecifications. The contractor shall conduct all necessary tests as specified in the IS, of the cementsupplied by Engineer-in-charge at the contractor’s cost to ascertain himself on quality of the materialissued.