Hooghly River Bridge Commissioners Tender

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. By mechanical means (without milling machine) : Above 100 mm thick.

Manufacturing, laying of Cement Concrete block of size 300 x 200 x 150 mm of cement concrete (CC) M40 garde & staring on 25mm thick sand-cement Mortar(10:1) underneath& filling joints with sand on existing PCC base as per technical specification Clause 1503 for Rural Roads of MoRTH

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 hydrualic 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 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 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 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 25-35mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP 63) and filling up the gaps in between paver blocks with joints 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