Construction of foundation for Gib crane for HVAC section near cooling tower at NCBS

Amount

Earthwork in excavation by mechanical means (hydraulic excavator) / manual means for FOUNDATION TRENCHES in ALL KINDS OF SOILS including dressing of sides, ramming of bottom, disposing the surplus excavated materials within a distance of 50m and lift 1.50m complete all as per specifications and directions of Engineer-incharge. (Disposed earth to be levelled by breaking clods if any and neatly dressed).

Providing and laying cement concrete using 40mm nominal size graded hard granite stone aggregate obtained from approved quarry including compaction, finishing top surface to level, curing cost of formwork, etc.; complete as per specifications. Mix ratio specified is for Cement : fine aggregate as per IS: 383 : graded hard granite stone aggregate. IN FOUNDATION AND PLINTH / SUB-BASE TO FLOORS PCC 1:5:10 (Using fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 383))

Steel reinforcement for all RCC items including decoiling, straightening, cutting, hooking, bending, cranking, fabricating to required shape, placing in position and tying the system with soft drawn annealed GI binding wire of diameter not less than 1.00mm with 2 strands etc.; complete as per specifications AT ALL HEIGHTS (binding wire will not be measured for payment). Thermo-Mechanically Treated (TMT) bars- Fe500

Providing rigid and water tight CENTERING AND SHUTTERING using best quality wood/ plywood/ steel forms and centring with steel props, acro tubes etc., including strutting, propping, bracing, staging etc., complete for all RCC items fixed in position as required including labour for careful removal of form work etc., complete all as per specifications AT ALL HEIGHTS. In horizontal / vertical/ slanting surfaces Foundations, footings, bases of columns including pedestals, mass concreting, pavement, RCC floor etc.

Providing and laying READY MIXED CONCRETE of specified grade machine batched by weight, machine mixed as per the design mix standards in the Ready Mix plant and transported to the place of work. The concrete is made using graded granite stone aggregates of maximum 20mm nominal (downgraded) size obtained from approved quarry including fine aggregate (Crushed stone sand produced by crushed hard stone / rock as per IS: 383) and cement all as per the design mix proportions conforming to IS 10262 with minimum cement content for durability for moderate exposure conditions, including supplying and providing concrete cover etc., which shall be followed as per latest IS 456 including pumping to all heights, placing, spreading, vibrating, compaction, finishing to required levels, curing etc., complete all as per specifications but excluding cost of formwork and steel reinforcement. Rate to include charges for admixture, if any specified, as per IS 9103, to accelerate/retard setting of concrete, improve workability without impairing strength and durability and labour for keeping embedment if any wherever required while casting. Rate also to include lift charges and scaffolding for all heights / depths from FFL/GL. by using RMC M-20 grade

Labour charges for fixing 8nos of bed bolts of size M24 and 600mm length including making template, labour charges etc compelete

Disposal of surplus excavated earth/ moorum / building rubbish / malba / similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, for lead upto 10km for all lifts, complete all as per directions of Engineer-in-charge. Note: Item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5cum or more.

CRS AND COMPANY