WBPWDRoadsEEBNHDNIT06/26-27-4

Patching of potholes by draining water, cutting the pothole area to rectangular shape with vertical edges, removing all loose materials, screening and stacking the same for reuse with new materials as per requirement, filling the pothole area with additional volume of Jhama metal and moorum as applicable and compacting the same with static roller as per Water Bound Macadam Specification, including cost of all materials and machineries. (ii) Grading-I Aggregate (63 mm to 45 mm)

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed.(a) By manual means : (ii) From 50 mm to 100 mm thick.

Supplying and Laying in the specified pattern of Interlocking Concrete Block Pavements (ICBP) with concrete blocks (with concrete grade as specified as per Table 1 of IS 15658:2006) manufactured in steel mould clamped to a vibrating table by hydraulic pressure (as per cl. no, 6.30 of IRC SP: 63 (2018), from BIS licensee manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in hetween the paving blocks, as per CL. No 3.26 of IS: 15658)and of specified size and shape with aspect ratio (The ratio of length to thickness of a paver block, as per CLNo.3.3 of IS: 15658) as per Table 2 of 15:15658 with flexural strength/breaking load as per Annexure G of IS:15658, on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a cushion of compacted bedding sand of 25-35 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps in hetween paver blocks with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2 of IRC SP 63) and completing the edges with cut blocks as per Cl. No. 8.7 of IRC SP-63(2018) with proper confinement of bedding and joint filling sand, compaction.levelling and filling up of the edge gap. 100 mm thick. Grey

GST-18% (sgst=9% & cgst=9%)ADD

WEST BENGAL LABOUR WELFARE CESS=1% ADD