Attending special repairs in the approach and berthing jetty at East Island in Diglipur, North Andaman

Amount

Surface preparation to receive micro concrete by chipping to a depth of maximum 75mm, as directed by EIC, cleaning, removing the traces of dust, loose concrete etc., including cost of all labour charges, transportation charges of all materials to worksite at East Island jetty, minor tools etc., complete. The rate is inclusive of all consumable items and GST.

Supplying and fixing of reinforcement in RCC works as directed by EIC, including cost of fabrication & fixing steel rods, cost of steel rods, all handling charges, cutting, bending, lapping, tying and welding in position wherever necessary with black 18 SWG annealed binding wire, all labour charges, cost of binding wire, transportation charges for all materials to worksite at East Island, all T&P required for the work and minor tools etc, complete. The rate is inclusive of all consumable items and GST.

Providing and fixing the sacrificial anode (Fosroc Galva shield XP or equivalent) over the main reinforcement of pile, columns, deck beams and deck slabs etc., as per the manufacturer specification and designed spacing’s as sacrificial anode to the reinforcement against corrosion, including cost all materials, cost of all labour charges, transportation charges of all materials to worksite at East Island jetty, minor tools etc., complete. The rate is inclusive of all consumable items and GST.

Supplying, preparing, and priming the reinforcement steel with Epoxy Zinc Primer or epoxy anti corrosive paint (Confirming to having IS/BS certification), including cost all materials, cost of all labour charges, transportation charges of all materials to worksite at East Island jetty, minor tools etc., complete. The rate is inclusive of all consumable items and GST.

Supply and application of Epoxy Concrete Bonding agent (Confirming to and having BIS 6319 certification) and over cleaned and properly prepared old concrete surface to give good bonding between old and new concrete, including cost all materials, cost of all labour charges, transportation charges of all materials to worksite at East Island jetty, minor tools etc., complete. The rate is inclusive of all consumable items and GST.

Providing form work including centering and shuttering so as to give a rough finish, shuttering and propping etc (Height of propping and centering below supporting floor to ceiling not exceeding 4 m) and removal of the same in reinforcement Cement Concrete and plain concrete work using marine plywood 19mm thick/standard hard wood (Cat-II), including cost of timber and marine plywood, all labour charges, transportation charges of materials to worksite at East Island jetty, nails, cost of minor tools etc complete. The rate is inclusive of all consumable items and GST.

Supply and apply of high strength, non shrink cementitious free flow micro concrete (with minimum 28 days flexural strength 50Kg/Sqcm and compressive strength 500Kg/Sqcm - As per BS 4551-80) for above water level using 12mm down size graded stone chips from mainland quarry with the ratio of 1:0.75 (1 high strength & non shrink cementitious micro concrete chemical : 0.75 12mm to 6mm stone chips) on site to enable completion of pouring in a continuous operation. An approved grout concrete mixer of slow speed heavy duty drill and exact quantity of water as recommended should be poured into the mixing vessel with cleaned stone chips of size 12mm to 6mm slowly and mix the same thoroughly in a forced action. The mixed material should be placed immediately to positioned form work continuously to an average thickness of 75mm without any gap including cost all materials, cost of all labour charges, transportation charges of all materials to worksite at East Island jetty, minor tools etc., complete. The rate is inclusive of all consumable items and GST.

Supplying, mixing and applying CURING MEMBRANE (Nito bond AR or equivalent confirming to BS Codes) with water including cost all materials, cost of all labour charges, transportation charges of all materials to worksite at East Island jetty, minor tools etc., complete. The rate is inclusive of all consumable items and GST.