Repairing of PQC road from bankibahal chowk to siarmal chowk at Kulda OCP of Basundhara Area.

Dismantling of cement concrete pavement by mechanical means using pneumatic tools,breaking to pieces not exceeding 0.02cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000metres, stacking serviceable and unserviceable materials separately.

Carriage of Materials By Mechanical Transport including loading,unloading and stacking Sand, stone aggregate below 40 mm nominal size Lead - 3.

Excavation in Soil using Hydraulic Excavator and Tippers with disposal upto 1000 metres. (Excavation for roadwork in soil with hydraulic excavator including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location with all lifts and lead upto 1000m as per relevant clauses of section - 300 of specifications ).

Preparation and consolidation of subgrade with road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidation with power roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth upto 50 metres.

Supplying and stacking of stone boulder 15cm to 22.5 cm size of hard granite or equivalent as approved by EIC at work site including stacking along road side equidistantly and uniformly including royalty, octroi, etc. with all lead and lift (A deduction of 15% is to be made on account of voids in stone boulder. Measurement of material is to be taken just before laying work starts and payment shall be made only after laying of the material)

Supplying and stacking at work site hard granite or equivalent as approved by EIC, stone metal 53mm to 22.4 mm size i.e. IRC GRADING of approved quality stacking along road side equidistantly and uniformly including royalty, octroi, etc. complete with all leads and lifts (A deduction of 7.5% is to be made on account of voids in stone metal. Measurement of material is to be taken just before laying work starts and payment shall be made only after laying of the material).

Supplying and stacking at work site crusher stone dust including royalty complete with all leads and lifts.

Laying stone boulder 15 cm to 22.5 cm size in WBM sub base course including packing with smaller stones and consolidation with power roller-80/100 KN capacity including spreading and consolidation of binding material i.e. stone dust etc. including hire charges and running cost of road roller, pay of driver, khalasi & chowkidar and providing proper signals, road barriers etc. complete but excluding the cost of stone boulder, chips and binding material. (Payment to be made for quantity of only stone boulder used excluding 15 % for voids)

Granular Sub-base with Well Graded Material (CBR>30 or more) (Table:- 4OO-1 & Table 400-2) : Construction of granular sub-base by providing well graded material like natural sand crushed gravel or crushed stone having CBR >30, spreading in uniform layers with motor grader on prepared surface, mixing by plant mix method at OMC, and compacting with vibratory rollers of 80 to 100 kN static weight to achieve the desired density, complete as per Clause 401 of Specification. For grading- I Material

Dry Lean Cement Concrete Sub- base (Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 26.5 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing as per clause 601 of specifications complete in all respect.