CONSTRUCTION OF UNDERGROUND WATER TANK

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil

Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size

Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelMild steel and Medium Tensile steel bars

Supplying and erecting PVC water stopper of size 300 mm width and 6 mm thickness as per the company representative

12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

Providing and laying in situ seven course water proofing treatment with APP(Atactic poly-propylene) modified Polymeric memberane over roof consisting offirst coat of bitumen primer @ 0.40 litre per sqm, 2nd, 4th & 6th courses of bondingmaterial @ 1.20 Kg/sqm, which shall consist of blown type bitumen of grade 85/25 conforming to IS : 702, 3rd and 5th layers of roofing membrane APP modifiedPolymeric membrane 1.5 mm thick of 2.25 Kg/sqm weight consisting of five layersprefabricated with centre core as 20 micron HMHDPE film sandwiched on bothsides with polymeric mix and the polymeric mix is protected on both side with 20micron HMHDPE film. 7th, the top most layer shall be finished with brick tiles ofclass designation 10 grouted with cement mortar 1:3 (1cement : 3 fine sand) mixedwith 2% integral water proofing compound by weight of cement over a 12 mmlayer of cement mortar 1:3 (1 cement : 3 fine sand) and finished neat (item oflaying brick tiles shall be paid for separately).

Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm)

Supplying and fixing of PVC vent pipe of diameter 3''/4" with pressure 5Kg/cm2 as per the instruction of engineer in charge.

Supply and fixing o PVC overflow pipe of size 3"/4" with pressure 5Kg/cm2 as per the instruction of engineer in charge.

Francis A