WBIW/EE/WMD/NIT-12e/2026-27

Providing and fixing at or near ground level precast cement concrete in kerbs (size: 410 mm x 310 mm x width 150 mm at bottom with circular nosing at top) (Nano kerb) of cement concreat M25 Grade without reinforcement, fixing as per approved pattern and setting in position at site after preparing the bed grade and slopes by laying Cement concrete with jhama khoa (1:4:8) as per specification and direction of Engineer-in- Charge including filling of joints with 10 mm thick cement morter (3:1) and back filling the vertical piece properly with earth duly compacted and curing the morter joints for atleast 3 days including cost and carriage of all materials complete.

(b) 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 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 CI. 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 CI.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 25-35 mm 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 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. 50mm thick