Providing Interlocking Concrete Block Pavements (ICBP) for Sripur BOP Road - Chainage from 4.30 Km - 4.50 Km - (market portion) under Uttar Dinajpur Division, PWD in district of Uttar Dinajpur.

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 manual means (without milling machine) from 25 mm to 50 mm thick

Supplying and Laying in the specified pattern of interlocking concrete block pavements (ICBP) with concrete blocks (with grade as specified as per table 1 of IS 15658:2006) manufactured in steel mould clamped to a vibrating table by hydraulic pressure (as per cl no 6.30 of IRC : SP: 63 (2018), from table BIS licence manufacture, with spacer nib (smallproducting profit on the vertical face of a paver block used as a device for keeping minimum joint gap in between the pavings blocks as per CI No3.26 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 0f IS 15658 ) as per table 2 of IS : 15658. proper confinement of bedding and joint filling sand compaction leveling and filling up of the edge gap.

60 mm thcik.

Water Bound Macadam Base Course

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading inuniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite typeof screening / binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision

(i) Grading-I Aggregate (63 mm to 45 mm)

Using stone sreening Type-A(13.2 mm),

Manual means

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.

PCC Grade M20

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 .

In all sorts of soil excluding marshy soil & rocks (soft or hard)

By manual means

Up to 3mtr. Depth.

With pumping out water including shoring as required.

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

For Construction of Sub Base by compacting river bed materials.

ADD GST 18%

ADD LABOUR WEALFARE CESS 1%

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