Asansol Durgapur Development Authority Tender

Grading - 1

Supplying and Laying in the specified pattern of Interlocking Concrete Block Pavement (ICBP) with concrete blocks (with concrete grade as speified 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 Licence manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joints gap in between the paving blocks , as per Cl No 3.26 of IS : 15658 ) and of specified size and shape with aspect ratio (the ratio of the length to thickness of a paver block, as per Cl No. 3.3 of IS : 15658 ) as per Table 2 of IS : 15658 with flexural strength /. breaking load as per Annexture 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 m to 35 mm thick ( grading of the bedding sand as per clause 6.5.1of IRC SP 63 ) and filling up the gap in between the 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 of as per Cl No 8.7 of IRC SP : 63 (2018) with proper confinement of bedding & joint filling sand, compaction , levelling & filling earth of the edge Gap .120 mm thick / Grey

Providing and laying Design Mix Concrete for plain / Reinforced concrete work in any part of culvert / bridge with coarse aggregates of appropriate nominal size and grading , fine aggregate (sand ) conforming to proprer grading zone, both of approved quality & cement , at necessary , including labour , cost and carriage of all materials and including prepration of design Mix approved of the same by the EIC and cost of Quality control , sampling , testing etc all complete but excluding cost of labour and materials for form work and reinforcement work.