Construction of Rigid Pavement with Thin White Topping and Pavement with Interlocking paver blocks in Kamjong District HQ

Providing laying and compacting Granular Base/Sub base with naturally occuring Sand Gravel Material free from organic or other deleterious constituents spreading with Motor Grader and compacted by rolling with power roller of 8-10 capacity in layers not exceeding 150mm (spread thickness)

Cable duct across the road (providing and laying of a rcc pipe duct, 300 mm dia across the road (new constructon), extending from drain to drain in cuts and toe of slope to toe of slope in fills, constructing head walls at both ends, providing a minimum fill of granular material over top and sides of RCC pipe as per IRC:98-1997, bedded on a 0.3 m thick layer of granular material free of rock pieces, outer to outer distance of pipe at least half dia of pipe subject to minimum 450 mm iin case of double and triple row ducts, joints to be made leak proof, invert level of duct to be above higher tha ground level to prevent entry of water and dirt, all as per IRC: 98- 1997 and approved drawings.)

Construction of dry lean cement concrete 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.

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and technical Specifications (F) PCC Grade M30 using batching plant & Manual placing

Providing and laying factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge. i) 80mm thick