Repair, Strengthening, Waterproofing and Painting of Saucer Tank at South site, BARC, Trombay, Mumbai.

Earth work excavation by mechanical means (Hydraulic excavator) / manual means in all types of soil other than soft and hard rock, dressing the sides of foundation, ramming of bottom etc. including shoring and dewatering (if necessary) and refilling with selected excavated earth in layers of not more than 500 mm thick, each layer well rammed and consolidated including disposing the surplus earth within a distance of 200 m all as per specifications including clearing Jungle, uprooting of vegetation, grass, etc. complete and as directed by the Engineer-in-charge.- From 0.00 to 1.50 m depth from Average Ground Level

Lead charges for lead Exceeding 2 KM but not exceeding 3 KM, by mechanical transport including loading, unloading, stacking / levelling etc.- Debris Beyond 2 Km but up to and including 3 km. Notes : 1. The rates are applicable for NET Quantities arrived after making deduction for voids @ 30% from corresponding TRUCK Measurement. 2. Finding authorised ground for disposing debries, transporting of debries at disposal ground, disposing, stacking, leveling & statutory charges if any will be responsibility of the Contractor and no extra charges shall be paid for the same. The debris from identified area shall be cleared every week after accumulation of minimum one Truck Load.

Lead charges for lead exceeding 2 KM but not exceeding 3 KM, by mechanical transport including loading, unloading, stacking / levelling etc.- For Soil Notes : 1. The rates are applicable for NET Quantities arrived after making deduction for voids @ 30% from corresponding TRUCK Measurement. 2. Finding authorised ground for disposing debries, transporting of debries at disposal ground, disposing, stacking, leveling & statutory charges if any will be responsibility of the Contractor and no extra charges shall be paid for the same. The debris from identified area shall be cleared every week after accumulation of minimum one Truck Load.

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 crushed sand, 6 graded stone aggregate of maximum size 20 mm) including consolidation, finishing, curing etc. complete as per specificationsand drawings but excluding the cost of Form work shuttering, centering Complete at all levels

Providing , centering ,shuttering Form work using PVC film faced plywood to get a neat form finish surface for all types of structures including necessary strutting, proping, staging, supports etc and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge at all levels. For Super Structure

Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-30 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved brand and quality (plasticiser or super plasticiser) if required, including weigh batching, mechanical mixing, transporting, placing, vibrating, consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications in super structure up to 20.00 metre height. Note: i) For all the items, of item no. - in view of limit on water-cement ratio for durability requirements, concrete admixtures (Naphthalene / Melamine based superplasticizers) can be used after taking prior approval of Engineer-in-Charge and the rates quoted for these items shall be inclusive of the cost of admixtures, trial mixes, testing (at site & at approved labs), etc. complete. ii) All projections, fins etc. in the concrete surface formed at the joints in the formwork should be ground & flush and finished at no extra cost. iii) Minimum Cement Content to be as per the latest revision of the relevant IS Codes.

Providing Reinforcement Steel for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting, fixing, tieing in position with PVC coated with 1.6 mm dia soft drawn annealed G.I binding wire, all labour charges, cost of cover blocks in specified grade of concrete etc. etc. complete including cost of binding wire, complete as per specifications and drawings. - Steel supplied by the contractor. - Using TMT bars of specified grades all dia bars. TMT bars to be supplied by the contractor manufactured by approved brands of BARC only Confirming to IS:1786

Providing 15 mm thick plastering using Ready mix internal plastering compound of approved make for internal faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning, scaffolding complete all as per specifications and as directed at site by the Engineer-in-charge

Providing and fixing G.I. chicken mesh in the junctions of concrete & brick work / masonry or as directed by the Engineer in charge including cutting, fixing with nails in position before plastering complete all as directed by the Engineer-in-charge. (only area of the chicken mesh used alone will be measured)

Providing 20 mm thick plastering using Ready mix external plastering compound of approved make for external faces of brickwork / concrete surfaces including preparation of the surface, curing, cleaning scaffolding up to 10 metres height complete.all as per specifications including forming drip moulds wherever necessary and as directed by the Engineer-in-charge