Construction of Centralized Pipe Storage Yard with RCC Support Pedestals and Concrete Pavement at GSPL Delivery Station, Betkuchi, Guwahati for systematic storage, handling and preservation of line pipes.

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means over areas including trimming of sides of the trenches, dressing, ramming and levelling the bottom of the trenches correct to level, grade etc. including filling in sides of foundation trenches, plinth etc. with the excavated earth available and/or depositing the excess earth within station area limits, in layers not exceeding 20 cms. thick, consolidating each deposited layer by ramming, watering, dressing to level and grade, complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer. In all kinds of soil

Supplying and filling selected earth/moorum (excluding black cotton soil) from Contractor's own borrow areas including royalty, with all leads and lifts in low laying area sand filling to required grade and level including watering, compacting at optimum moisture content to90% of Proctor's density, consolidation and rolling with 8 to10 tonne power roller in layers not exceeding 20cm thickness, complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and directions of the Engineer-in-Charge.

Providing and laying in position cement concrete of specified grade at all depths including ramming & shuttering etc. complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer: 1:4:8 [1 cement : 4 coarse sand (Zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources]

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland / Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, the cost of centering, shuttering, finishing, curing, carriage for all leads, as per direction of the engineer-in-charge, for the following grades of concrete.: Note: Extra cement upto 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either redesign the mix or bear the cost of extra cement. Payment for Reinforcement shall be made as per relevant item of SOR. All works upto plinth level. Concrete of M25 grade with minimum cement content of 330 kg/cum

Steel reinforcement for R.C.C. work including initial straightening of coiled/uncoiled bars, removal of loose rust, cutting, bending to correct size & shape, binding with 18 gauge G.I. wire at each intersection and placing at any position, at any height and depth complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer.: Thermo-Mechanically Treated bars of grade Fe-500 D or more

Add for using extra cement in the items of design mix over and above the specified cement content there in. [Note: Unit "QN" shall mean "QUINTAL"]