WBPWD/AE/BKPSDII/eNIT57/25-26

Box cutting or filling in Road embankment in all sorts ofsoil including spreading the spoils properly over theflank as necessary or on berm to approximate grade& camber and rolling the sub-grade with power rollerto proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprootingand removing plants and jungles when and where necessary. Depth Of Excavation 1635 mm

Supplying, spreading and compacting Silver Sand torequired thickness, in layers not exceeding 150 mmto proper gradient and camber, inundating eachlayer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary.

Granular Sub-base with Graded Material (Table:- 400-1) A. Plant Mix Method: Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant at OMC, carriage of mixed material to work site, spreading in uniform layers with Motor graderon prepared surface in proper grade and camber, compacting with vibratory power roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants and cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). B. manual mix method (i) Grading – III - 125 mm Thick

vi) Grading – V- 135 mm Thick

Wet Mix Macadam Base Course Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tipper to site, laying in uniform layers with Paver in Sub- base / Base course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

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 by vibrating table by hydraulic pressure (as per clause no. 6.30 of IRC: SP: 63 (2018)), from BIS licensed 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. 3.33 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 (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. 120 mm thick. A. Grey

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