Annual contract for cleaning the storm water drain and providing precast cover slab over the drain in KARP, KARP-II, storage shed area of CWMF complex during the year-2021-2022

Amount

Cleaning the covered storm water drain by collecting and removing the deposited soil, debries, vegetation, other accumulated materials and disposing them including removal of cover slab and replacing it in the same places after cleaning with out any damage etc., complete all as directed by the Engineer-in-charge.

Cleaning the uncovered ( open ) storm water drain by collecting and removing the deposited soil, debries, vegetation, other accumulated materials and disposing them etc., complete all as directed by the Engineer-in-charge.

Carrying out storm water drain emergency choke removal works, claning the accumulated materials at the kerb wall drain inlet and drain outlet during monsoon period and other then storm water drain cleaning period all as directed by the Engineer-in-charge.

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 3Kilometer.

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 .

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.

A.BASHKAR