WBPWD/AE/BKPSD-I/NIeT06/26-27

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. I. In all sorts of soil excluding marshy soil & rocks (soft or hard) by manual means. (iv) Without pumping out water and shoring

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. With Medium sand. (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

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 Damaged Restoration of hard crust chainage 21.450 K.M. Ghosh Para Road. In Hard Crust 100 mm Thick Grey.

Excavation for Structures 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.

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. (A) PCC Grade M30 i) With Batching Plant, Transit Mixer and Concrete Pump

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

Labour Wellfare Cess 1%