WBPWD/AE/BKPSD-I/NIeT-13/26-27

Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specification Clause 1104 for Rural Roads of MORD including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

Supplying, spreading and compacting Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer 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. (Compacting factor = 0.835)

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 grader on 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). (i) Grading – III. B. By Mix in Place Method

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 patter of Interlocking Concrete Block Pavement (ICBP) with concrete blocks (with concrete grade as specified as per table 1 of IS 15658:2006) manufactured in steel mould clamed 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 vartical 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 with flexural strength/breaking land as per table 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 caushion of compacted bedding sand of 25-35 mm thick (grading of the bedding sand as per clause 6.5.1of IRC SP-63) and filling up the gaps in between paver blocks with joint filling sand (the gradding 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 CI no..........100 mm Thick.Grey.

Pre-coating stone aggregates with hot matrix @ 56 kg/m3 of net volume of stone aggregate in concrete mixer including preheating the stone aggregate at a suitable temperature including the cost of carriage of the stone aggregate at the mixing yard and carriage of the pre-coated materials for dumping at a suitable place as directed including cost and carriage of bitumen and hire charges of machineries and all incidental charges complete as per direction of Engineer-in-charge. Above 10.0 km to 20.0 km.

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal /shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening .

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. E PCC Grade M30 I) Using concrete mixer

Add: SGST 9 % + CGST 9% = 18 %

Labour Wellfare Cess 1%