Construction of RCC valve operating chamber at Eastern side of KARP UGST

Amount

Conveying the surplus excavated earth & debris boulders and spoil by mechanical means and depositing at place inside DAE installation identified as dumping yard as per requirement with a lead specified below including loading, unloading, breaking clods, levelling all complete as per specification and as directed by the Engineering-in-charge. Note: 1) The rates in respect of this item are applicable for the NET quantities arrived at after making deductions for voids @20% in respect of soil and 50% in respect of Rock from the corresponding stack / truck measurements 2) The earth shall be dammed well inside the damping yard not over approach pathway road. Lead charges for lead Exceeding 50m but not exceeding 4Kilometer.

Supplying and filling the foundation and basement with Quarry dust, filling in the layers of not more than 150mm thick, each layer well rammed and consolidated by hand/mechanical roller including watering, levelling, dressing the top surface to the required level complete all as per specification and as directed by Engineer.

Providing and laying plain cement concrete 1:2:4 using 25mm maximum size hard granite machine graded stone aggregates including mechanical mixing transporting and placing in required position, ramming, consolidating etc.all as per specification and drawing.Note:- cement content 330kg/cu.m

Providing and laying cast in situ M35 Grade controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum of size hard granite machine crushed graded stone aggregates with 380Kg of cement per Cu.m concrete including weigh batching, charges for mixing and cost admixture, mechanical mixing, transporting and placing at all lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footing, column, lintels, sunshades, gutter slab, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately ) all as per specification all as shown in drawings and as directed by the Engineer-in-charge for all insitu item. Note:1. The rate of concrete shall include all labour, equipment, charges for mixing and cost of admixture. Chemical admixture confirming to IS 9103 shall be mixed in fresh concrete and prior permission from Engineer-in-charge shall be obtain for dosage and compatibility. 2. Test certificate of cement procured from dealer/company to be submitted for all cement related work by the Contractor. 3. The rate shall be quoted on the bases of using minimum cement per Cu.m. of concrete mention below for relevant grade of concrete any upward/downward variation required to obtain the specified strength will be paid for or deducted at the rate of the cement specified in Schedule F.

Manufacturing, supplying, hoisting and fixing in position at all lifts, precast unit of various patterns and sizes for precast plain solid unit, exhaust fan moulds, slabs, etc., in controlled reinforced cement concrete of M30 grade using 20mm and below machine crushed graded stone aggregate with 380Kg of cement per Cu.m concrete including weigh batching, mechanical mixing, casting, vibrating, finishing of exposed faces, curing, necessary formwork, moulds, transporting and placing at all lifts, preparation of connections, grouting with cement mortar/cement grout wherever needed excluding steel reinforcement complete all as per drawing, specification and as directed by Engineer..

Providing straightening, decoiling wherever necessary bending, cutting, binding and fixing in position steel reinforcement TMT bars of Fe500D grade steel confirming to IS:1786 'SAIL or VIZAG or approved equivalent make ' and tying with approved annealed binding wire of 1.6mm dia in all reinforced cement concrete work at all lifts, including cost of supplying fixing the spacer/cover blocks in cement mortar 1:2 and binding wire complete all as per specification and as directed by Engineer-in-charge at all lifts .

Supplying and placing and removing form work for all in situ cement concrete works at all level and elevation, as shown in drawing and specification including centering ,scaffolding complete.(measurement for form work will be the area of form in contact with the concrete surface)

Providing plastering in cement mortar 1:4 using crushed stone sand, 20mm thick at all elevations with 2% of water proofing compound or as per manufacturers specification, ‘Impermo’ or approved equipment make including hacking of concrete surfaces with pointed tool, scaffolding, finishing, curing, all as per specifications.

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like trusses, purlin etc. using MS hollow/circular/square/rectangular tubular sections including chamfering and rounding off the edges, applying a coat of Red lead paint primer/ Zinc chromate primer of approved colour and make and 2 coat of flat oil paint/ synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specification, drawing and as directed by the EIC. Note: Lifting device arrangements if any required also arranged by the contractor at his own cost.

A.BASHKAR