DEVELOPMENT OF ROAD FROM RIVERSIDE ON BOTH SIDE OFSMPA LAND GIVEN TO GRSE AT TIMBER POND AREA, HOWRAH.

Earth work in excavation of the foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing spreading or stacking the spoils within a lead of 75Mtr as directed. The Item including necessary trimming the sides of tranches, levelling, dressing and ramming the bottom, bailing out water etc. as required complete. Depth of excavation not exceeding 1500 mm.

Dismantle all types of Masonry excepting cement concrete plain or reinforced, stacking serviceable Materials at site &removing the rubbish as directed within a lead of 75 Mtr in ground floor including roof.

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. in ground floor including roof. above 150 mm. thick

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars in ground floor including roof.

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m stacking serviceable and unserviceable materials separately as per technical specification Cl 202 for Rural Roads of MORD (a)Bituminous Courses/granular course (i) By mechanical means

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work). (a) With earth obtained from excavation of foundation.

Filling in foundation or plinth by fine sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Preparation and consolidation of sub-grade with power road roller of 8 – 12 tonne capacity after cutting exiting road upto required depth, dressing to camber and consolidation with road roller including making good the undulation etc and rerolling the sub-grade and disposal of surplus earth with lead upto 50 meters.

Construction of Granular Sub Base by providing graded materials , mixing in wet mix plant at OMC , carriage of mixed materials to work site spreading in uniform layers with motor grader on prepared surface in proper grade and camber , compacting with vibratory power roller to cahieve 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 and Bridge works of MORTH ( 5 th revision ) : Grading I

Construction of dry lean cement concrete Subbase over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 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 for Road & Bridge Works of MoRT&H (5th Revision).