Tender For providing and laying lean cement concrete 1:4:8 in sub- base over a prepared sub-grade with coarse and fine aggregate conforming to is: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing complete as per clause 601, 112 of mort&h specification including all material, labour, machinery, lighting, guarding and maintenance of diversion.
Tender For providing and fixing of precast concrete interlocking tiles of desired shape of m 30 grade manufactured from fully computerized automatic stationery hydraulic vibrio pressed machine and fully computerized automatic batching plant of class a1/a2 as per bs 6717:2001. the cc interlocking paving blocks be laid on average 50mm. thick bed of coarse sand and the joint is to be filled with fine sand. laying procedure on compacted sub-base as defined. complete job is to be executed as per the instruction of engineer in-charge. the rates to be inclusive of all lead & lifts etc. complete as per specifications. tensile splitting strength, abrasion and braking load etc. as per bs 6717:2001, grey cement.80mm thick