Construction of Roof Top Rain water harvesting structure at 110 22 11KV Venkata Nagar SubStation, Electricity Department, Puducherry III Call

Amount

Earthwork in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m - all kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50m and lift upto 1.5m

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

Providing , hoisting and fixing upto floor five level precast reinforced cement concrete in shelves including setting in cement mortar 1:3 (1 cement : 3 coarse sand) , cost of required centering , shuttering and finishing with neat cement punning on exposed surfaces but excluding the cost of reinforcement , with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5 mm nominal size)

Steel reinforcement for R.C.C.work including straightening , cutting , bending , placing in position and binding all complete upto plinth level - Thermo -Mechanically treated bars (ISI BRAND OF APPROVED MAKE) Fe - 415 or more

Brick work with common burnt clay F.P.S. (non modular ) bricks of class designation 3.5 in foundation and plinth in - cement mortar 1:4 (1 cement : 4 coarse sand)

Honey -comb brick work 10/11.4 cm thick with common burnt clay bricks of class designation 7.5 in super structure above plinth level upto floor V level with cement mortar 1:4 (1 cement : 4 coarse sand)

Steel work welded in built up sections / framed work , including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required - in gratings, frames, guard bar, ladder, railings, brackets,gates and similar works

Providing and fixing on wall face unplasticised rigid PVC rain water pipes conforming to IS: 13592 Type A, including jointing with seal ring conforming to IS :5382, leaving 10mm gap for thermal expansion, (i) Single socketed pipes - 110 mm diameter

Providing, laying and jointing UPVC pipes(Finolex / jain / Supreme / Truebore / Nandi) (0.6 Mpa) conforming to IS specification 4985 and ISI marked including transportation to the site , lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment, including cost of solvent cement, excluding UPVC specials such as bends, tees, threaded pieces, couplers, reducer, endcaps etc., complete all as per IS and CPWD specification. - 140mm dia.

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - bend 87.5 degree -110 mm bend

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - Single tee without door -110x110x110mm

Providing and fixing unplasticised - PVC pipe clips of approved design to unplasticised- PVC rain water pipes by means of 50x50x50mm hard wood plugs , screwed with M.S. screws of required length, including cutting brickwork and fixing in cement mortar 1:4 ( 1 cement : 4 coarse sand) and making good the wall etc., complete - 110mm

Providing and fixing to the inlet mouth of rain water pipe PTMT (an engineering thermoplastic ) grating square (Slit) 150mm square with a height of 8mm and weighing not less than 100 gms

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

15 mm cement plaster on rough side of single or half brick wall finished with a floating coat of neat cement of mix - 1:3 (1 cement : 3 fine sand)

Providing and fixing on wall face / column face unplasticised - PVC moulded fittings / accessories for unplasticisd - PVC soil and waste pipes conforming to IS:14735 - 1999 including jointing with seal ring conforming to IS :5382 leaving 10mm gap for thermal expansion - Single tee without door - 110 x110x110mm

Providing and laying filter media using HBG metal of 40 mm size to a required thickness

Providing and laying filter media using HBG metal of 63 mm size to a required thickness

Providing and fixing of UPVC End Cap embedded in M.S. Cone suitable for UPVC casing pipe including the cost of materials and labour for jointing.

Supplying and lowering of UPVC 150mm dia Plain casing pipe confirming to IS: 12818-1992 with relevant amendments with class designation CM and with minimum wall thickness of 7.5 mm as per I.S.Code into the bore well with proper vertical alignments etc. Including the cost of materials , but excluding the cost of labour for positioning the assembly for lowering purpose using contractor's rig

Extra for providing 3 mm slots in 150mm dia.UPVC casing pipes

Reaming from 200mm dia pilot bore to 350mm dia bore.From 330 mts and upto 360 mts depth ending from ground level.

Supplying transportation and packing of 8mm size down gauge graded pebbles including filling the annular space gradually complete.The pebbles disintegrated pieces. should be free from any disintegrated pieces.

Providing and fixing in position UPVC moulded equal Tee (Finolex / jain)(0.6 Mpa) conforming to IS 7834 part II and ISI marked,including labour charges for jointing, jointing materials etc,complete - 140mm dia

Providing and fixing in position UPVC moulded unequal Tee (Finolex / jain)(0.6 Mpa) conforming to IS 7834 part II and ISI marked,including labour charges for jointing, jointing materials etc,complete - 140 x 110mm dia

Providing and fixing in position UPVC moulded plain coupler (Finolex / jain)(0.6 Mpa) conforming to IS 7834 part II and ISI marked,including labour charges for jointing, jointing materials etc,complete - 110mm dia

Providing and fixing in position UPVC fabricated bend (Finolex / jain)(0.6 Mpa) conforming to IS 7834 part II and ISI marked,including labour charges for jointing, jointing materials etc,complete - 140 mm dia

Drilling of borewell any where in Pondicherry including tranportation in alluvial soil, sedimentary strata of clay,sand stone, shale, pebbles, boulders etc. by first taking a pilot bore of 140mm / 150mm / 200mm and then enlarging to required dia by direct or reverse rotary mud circulation method,including fuel, labour for drilling, bentonite mud, water required for drilling at the site, contruction of mud pit (water available within a lead of 1.5Km) using rotary rig. -Upto 60 mts depth ending below ground level.

Providing precast RCC ring of size 150cm inner dia with 5cm wall thickness and 30cm height to the site at Puducherry. The RCC ring should consist of required reinforcement and fixed in position from the bottom layer of rain water harvesting recharge pit. The rate including the cost of conveyance to Puducherry, loading, unloading, fixing charges and other taxes etc., complete.

Providing precast RCC semi circular cover of size 160cm inner dia with 5cm wall thickness to the site at Puducherry. The RCC cover should consist of required reinforcement and fixed in top of RCC rings of rain water harvesting recharge pit. The rate including the cost of conveyance to Puducherry, loading, unloading, fixing charges and other taxes etc., complete.