tender for work of installing interlocking in public places of housing board. - earth work in excavation for roadway, including trimming bottom and side slopes in accordance with requirement of line, grades and cross sections, including disposal of surplus material with all lift and lead upto 1000 metre as per mort&h specification clause 301.column 4 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 5 providing and laying positionspecified grade of rainforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement all work upto plinth leval 1:2:4 (1cement 2coarse sand, 4 graded ston aggregate 20 mm nominal size 6 providing and fixing of 60mm thick precast cement concrete interlocking paver block casted with rubber moulds in approved reflective colour and design having minimun compressive strength of 300 kg/ sq cm. the cc 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 incharge. the rates to be inclusive of all lead & lifts etc. complete as per specifications.