CNT/SEW/MWB/3461A/2022-23

Amount

Bill.NO.1.Laying of 250mm dia CI pumping main from Diwan Bashyam Street to Saidapet 'C' SPS, Saidapet in Depot 142, Area - X

Hire Charges for tractor compressor/JCB fitted with power driller for cutting asphaltic road surface Non Bus route

Supply Laying ,Jointing 250 mm dia CI S/S pipes (LA Class) with EDPM rubber gaskets including earth work excavation in hard stiff clay, black cotton hard red earth, shales, murrum gravel, stoney earth and earth mixed with small size boulders depositing the earth on banks with initial lead of 10m, carting the pipes to the site of work lowering in to the trenches,aligning includng refilling the trenches, disposal of surplus earth etc; complete at an average depth of 1.5m

Supply, conveying and fixing CI specials like Tee, Bends and Tapers as per IS 1538 including earthwork excavation, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. at any depth.

250 mm D/Soc CI 90º Bend

250 mm D/Soc CI 45º Bend

250 mm D/Soc CI 22.5º Bend

250 mm F/Soc 0.5m

250 mm bell mouth

250mm Sluice valve

80mm Double Air valve

80mm Sluice valve

Supply, conveying and fixing CI D/F 250mm dia pipes as per IS:1537 inside the well at 1.5m depth

Supply, conveying and fixing CI D/F pipes as per IS:1537 and CI SS/DF specials like Tee, Bends ,Tapers and Tailpieces as per IS 1538 including earthwork excavation, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. at any depth.

Specials for 250 mm Sluice valve

250 mm 1.0m Cut Pipe

250 mm CI collars

250 mm F/Spi Tail Piece

250 mm F/Soc Tail Piece

Specials for 80 mm Air valve

250 mm x 80 mm D/Soc/Fl Tee

Construction of 80mm Double Air Valve chamber for 250mm dia. pipeline including providing and fixing FRC cover and frame of size 60 x 60cm for size 1.2 x 0.9 x 1.8 m

Cutting C.I Pipes

250 mm dia

Jointing the double flanged specials with rubber insertion to the required specifications with M.S bolts and nuts, complete.

Barrication work along one side of the trench for laying the pipe line with casuarina post at 1.52m centre to centre (8 to 10 cm dia. and 1.52m height) verticals, painting the vertical posts in different colours, tieing with coir rope, fixing danger flags, danger lights, reflectors including watching during night for 1 metre.

Testing of M.S./C.I./P.V.C./D.I pipes with hydraulic testing equipment by filling with water(including cost of water", "@ Rs.60/KL) and testing to recommended pressure in convenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidental and operational charges, etc., complete for 250mm dia pipe

Providing thrust blocks with Plain Cement Concrete in 1:3:6 with 40mm HBG for the CI pumping main including the cost of shuttering, compaction, curing etc. complete.

250 mm D/Soc CI 90º Bend

250 mm D/Soc CI 45º Bend

250 mm D/Soc CI 22.5º Bend

Bill.No.2.Laying of 300 mm dia CI gravity sewer main from Diwan Bashyam Street Lane near IM-II Pump to Proposed Collection Well in Depot-142, Area-X

Engaging Tractor Mounted compressor machine for dismantling the concrete portion

Construction of machine hole using sulphate resistant cement including earth work excavation as per SS 20B, laying cement concrete in C.M 1:3:6 using crust stone sand(M-Sand) and 40mm B.G.jelly for foundation, sinking well kerb below G.L. for 4.5m depth and above, pumping, timbering charges for 2.5m depth and above, stock brickwork 1:3, for 23cm thick wall and over 23cm thick wall plasterring interior with C.M 1:3, 20mm thick and exterior with C.M. 1:3, 12mm thick, laying plain cement concrete 1:3:6 using 12mm to 20mm B.G jelly fixing the frame, providing C.I.steps, machine hole cover and frame, benching and channelling connection and fixing of frame with door, disposal of surplus earth etc at depth of 3.0 m

Supply Laying, Jointing 300 mm dia CI S/S pipes (LA class) with EDPM rubber gaskets including earth work excavation in hard stiff clay, black cotton, hard red earth, shales, murrum gravel, stoney earth and earth mixed with small size boulders depositing the earth on banks with initial lead of 10m,carting the pipes to the site of work lowering in to the trenches aligning includng refilling the trenches, disposal of surplus earth etc; complete at an average depth of 3 m

Providing, and fixing dummy at upstream side downstream of the manhole with safety gadgets

Provision for erection of borewells of size 6" to 8" dia in Sedimentary formation using hand boresets including insertion of casing pipes supplying and packing of pebbles and conveyance of hand Boreset including loading and unloading

Labour Charges for inserting 150mm / 200mm / 250mm dia (M.S.Casing pipes assembly with slots or with out slots) in the drilled hole including welding the joints etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineer CMWSS Board 150mm dia Casing pipes assembly

Hire charges for diesel pumpset for 7.5 HP

End Concrete for 300mm dia CI Pipe

Disposal of surplus earth.

Removing dummy at upstream and downstream of the manhole with safety gadgets

Barrication work in different colour, tying with coir rope, fixing danger flags, danger lights and reflectors including watching during night hours for 1 meter

Supplying and Filling Quary dust

Providing and fixing FRC cover and frame of size 60 x 60cm including necessary masonry work and plastering, etc., complete

Bill.No.3 Enlargement of existing 150mm dia gravity sewer main at Diwan Bashyam Street in Depot-142,Area-X

Hire Charges for air compressor for dismantling the concrete portion

Construction of manhole using sulphate resistant cement including earth work excavation, providing CI steps, benching and channelling connection and fixing of frame with door, disposal of surplus earth etc

at depth of 1.5 m

at depth of 2.0 m

at depth of 3.0 m

Supplying, laying and jointing 250mm dia SW pipe

at depth of 1.5 m

at depth of 2.0 m

at depth of 3.0 m

Providing, and fixing dummy at upstream side downstream of the manhole

Hire charges for diesel pumpset for 7.5 HP

CC 1:3:6 using 12 to 20mm gauge hand broken stone jelly over the quary dust for making smooth surface to the road users.

Disposal of surplus earth.

Removing dummy at upstream and downstream of the manhole

Barrication work in different colour, tying with coir rope, fixing danger flags, danger lights and reflectors including watching during night hours for 1 meter

Supplying and Filling Quary dust

Bill.No.4.Reconstruction of Partially Collapsed Manhole 5 nos at Diwan Bashyam Street in Depot 142, Area X

Hire charges for tractor mounted power compressor for dismantling road surface

Earth work excavation and depositing on bank with initial lead of 10 metres and initial lift of 2.00m in hard stiff clay black cotton hard red earth etc., (0m-2m)

Dismantling and clearing the collapsed manhole

Brick or Stone masonry in Cement mortar walls under 3m high

RCC Works

Barrication work along one side of the trench for laying the pipe line with casaurina posts at 1.52 m centre to centre verticals painting the vertical posts in different colours , tying with coir rope fixing danger flags ,reflectors including watching during night etc complete for 1 metre.

Hire charges for diesel pumpset 3 HP to 7.5 HP with fuel and crew charges including transportation - for pumping sewage

Providing dummy on both of the manhole using helmet sinker with safety measures

Cement concrete 1:2:4 using 20mm gauge hard broken stone jelly for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing, etc. complete - End concrete

Brick or Stone masonry in Cement mortar walls under 3m high

Providing form work with centering for soffits ofreinforced cement concrete slabs or plain surfaces including strutting upto 3m high

Cement concrete work 1:2:4 using 20mm gauge hard broken stone jelly for reinforced concrete works excluding centering, shuttering and cost of steel reinforcement but including laying in position,compacting, curing, finishing, etc., complete

Supplying, fabricating and laying in position MS rounds or RTS rods for RCC works including cost of reinforcement, binding wire, cutting bending, cranking and tying in position with binding wire assembly, etc.

Plastering interior with C.M.1:3,15mm thick

Plastering exterior with C.M.1:3,12mm thick

Removing dummy on both of the manhole using helmet sinker with safety measures

Refilling with an excavated earth (other than sand)

Bill.No.5.PROPOSED CONSTRUCTION OF LIFT STATION AND ALLIED WORKS IN DIWAN BASHYAM STREET, DEPOT 142, AREA-X

Bill.No.5.1.Construction of Collection cum suction well (2m dia)

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

Earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stoney earth or earth mixed with small size boulders and hard gravely soil as per SS20B with initial lead of 10m and lift of 2m etc. complete.

For 0 to 2 m depth

Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including shuttering for RCC well curb and well steining.

From 1 m above ground level to 3.0 m below ground level (Curved surface)

6m to 7m above invert of well

6m to 7m below GL

Providing and laying in position machine batched machine mixed and machine vibrated design mix. Sulphate resistance cement concrete M30 grade (River sand) for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, Mixer, vibrator, etc. as per standard specification and as directed at site

From 1.5 m above ground level to 1.5 m below ground level

From 1.5m to 4.5m below ground level

From 4.5m to 7.0m below ground level

Cement concrete 1:2:4 using Crushed stone sand (M-sand) and 20mm gauge hard broken stone jelly & SRC for plain concrete works including laying ramming curing, etc.,

4.5m to 7m depth

Providing point edge to well curb using ISA 200x150x16 mm of weight 42.20 kg/m

Sinking of well below water level including all incidental charges using special tools and plants such as air compressior, helmet etc., complete and including baling out water. 2m dia well

First depth of 2m

Second depth of 2m

Third depth of 2m

Fourth depth of 2m

Plugging the bottom of the well using C.C 1:3:6 using Crushed stone sand (M-sand) and 40mm gauge hard broken stone jelly with 10% excess cement for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing etc complete

4.5m to 9m depth

Supplying, fabricating CRS bars manufactured by Primary steel including cost of steel, binding wire, cutting, cranking and tying, in position with binding wire assembly etc complete.

Plastering with cement mortar 1:3 (SRC) using Crushed stone sand (M-sand) for 20mm thick including curing, etc., complete

Plastering with cement mortar 1:3 (SRC) using Crushed stone sand (M-sand) for 12mm thick including curing, etc., complete.

Refilling with excavated earth complying with standard specifications for filling in foundations & basement other than sand including watering & consolidating etc.,

Disposal of surplus earth

Supply and erection of Cast Iron single faced manually operated non rising type 250mm dia penstock with extension rod of 7m length conforming to relevant IS with IS markings on it, having cast iron door and frame with Gunmetal seating, spindle made of Stainless steel, CI head stock with gear arrangment and hand wheel fitted in well.

Supplying and fixing SS screen of grade 316. The screen shall be fabricated out of stainless steel flats of 50 x 10mm. The outer frame also shall be of 50 x 10mm fixed inside the well for seating the screen. The screen shall be so fabricated that the inclined portion of the screen is fixed and the horizontal portion of the screen is a removable one for lifting the pump for maintenance purpose. Outer frame and 50x10mm SS flats spaced at 35mm centre to centre to serve bar screens inside the screen well

Supplying and fixing C.I.steps.

Supplying and fixing FRC cover and frame of size 60x60cm including necessary masonry work and plastering etc complete.

Precast slab 100mm thk in Cement Concrete 1:2:4 using Crushed stone sand (M-sand) and 12 to 20mm gauge hard broken stone jelly for reinforced cement concrete works including cost of steel, centering, shuttering and cost of steel reinforcement and including laying in position, compacting, curing, finishing,as per drawings,or as directed etc., complete.

Colour washing two coats over one coat of white washing

Supplying and fixing PVC water bar, 150 mm wide for construction joint

Bill.No.5.2.PIPES AND SPECIALS FOR SUCTION WELL

Delivery Pipe & related Specials within Well

100 mm dia CI D/F Duckfoot 90 Deg Bend

150 x 100 mm CI D/F taper

150 mm dia CI - 3m D/F pipe

150 mm dia CI - 2m D/F pipe

150 mm dia CI - 1m D/F pipe

150 mm dia CI - 0.5m D/F pipe

150 mm dia CI D/F 90 deg Bend

150 mm dia CI - 1.5m D/F pipe

Delivery Pipe & related Specials within Valve Chamber

150 mm dia CI - 0.5m D/F pipe

150 mm dia CI Non-Return Valve

150 mm dia CI - 0.5m D/F pipe

150 mm dia CI Sluice Valve

150 mm dia CI - 0.5m D/F pipe

Common Header Pipe & related Specials within Valve Chamber

250 x 150mm CI A/F Radial Tee

250 mm dia CI - 0.5m D/F pipe

250 mm dia CI Sluice Valve

250 mm dia CI Fl/Spi Tail Piece

250 mm dia Blank Flange

Jointing the C.I.Double flanged pipes and specials with rubber insertion to the required specifications with M.S. bolts and nuts, complete and testing the pipies to the required pressure with water (including cost of jointing materials) For depth upto 2m,

100 mm dia

150 mm dia

250 mm dia

Bill.No.5.3.Mild Steel Plain Outdoor Kiosk

Excavation in hard stiff clay, stiff black cotton, hard red earth, shales muram, gravel stoney earth and earth mixed with small size boulders and hard gravelly soil as per SS 20B with initial lead of 10 mts and lift of 2.00 mts.

Supplying and filling sand for foundation and basement including watering consolidating ramming etc. complete

Cement Concrete 1:3:6 using broken jelly 40mm gauge hard broken stone jelly for plain cement concrete works including laying in layers of not more than 15cm thick including ramming curing etc.complete

Stock brick work with second class bricks in C.M 1:4 for 23cm thick wall including curing etc. complete.

a) 1.5m above GL and 1.5m below GL

b) ground floor

Granolithic flooring 25mm thick with cement concrete 1:2:4 mix using 3-10mm chips and top surface rendered smooth with cement including thread lining 25mm dia GI pipe of necessary length for water outlet curing etc. complete.

Plastering with cement mortar 1:4 for 12mm thick including curing etc. complete

Supplying and providing chain link fence with RCC post. The RCC posts will be of 2.5m c/c and of 2.75m height. The post will be 100mm square at top and 150 sq.mm at bottom, 2.15m height above ground level and 0.60m below ground level fixed in CC foundation in 1:4:8 of 40mm size stone jelly used. The foundations is of size 45x45x90cm including sand and filling of 15cm height. The fencing will be of chain link 75mm size 10 gauge. The height of fence is 2m after leaving 75mm gap from ground level including fixing the fence with the post using GI binding wire etc. complete.

Supply and delivery of M.S.Kiosk with door arrangements of size 3m x 3m x 3m as per drawing, made up of MS angles alround and roof covered with MS sheet 2mm thick including cutting, welding, grinding, painting with one coat priming coat and two coats of ready mixed paint of superior quality of grey or any other colour, locking arrangements and labour charges etc. complete.

Supply and delivery of gate of size 2m x 2m as per drawing, made up of GI pipes alround and door made up of MS sheet 2mm thick and MS flats 25mmx10mm including cutting, welding, grinding, locking arrangements and labour charges etc. complete.

Bill.No.5.4.Electrical Works for Road Side Pumping Station

Supply, delivery, erection, testing and commissioning of non-clog submersible sewage pumpset with following duty point, driven by 3 Ph, 415 V, AC, 50 Hz, Electrical Motor with suitable weather proof cable (Copper ) of total length of 20 m, ATS control panel, Pedestal Coupling, required length of guide wire / guide pipe, M.S.(GLVD) lifting chain, necessary level controlling probes with sufficient length of armoured copper LTUG cable to connect the probe from the junction box to the control panel, fasteners including laying of pump cable under ground with suitable conduit and clamping on walls in trays and incidental civil works etc.complete.

Sew. Pump - 1440 lpm against a total head of 18 m

Supply, delivery, erection, testing and commissioning of following sizes of power shunt capacitor for power factor improvement, suitable to operate on 415V, 3Ph,50Hz A/C supply, on suitable angle iron frame-works (37.5 mm x 37.5 mm x 6.24mm ) at a height of 0.25m from the ground, including earthing and incidental civil works etc., complete.

Sew. Pump - 4 kVAR

Supplying and fixing of 63 Amps Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete.

Supplying and fixing of 63 Amps Triple Pole SFU with HRC fuses on suitable angle iron frame with earth connection only.

Supplying and clamping of various sizes of PVC insulated PVC sheathed armoured aluminium LT UG cable by MS clamps on wall or in a trench to be excavated at a depth of 2 ½ ' putting 6” layer of sand and covering the cable with brick and sand refilling the earth to make good as directed.

From 63 Fuse Carriers to 63 Amps SFU & from there to 63 Amps MCCB Switch of MV panel (Wall) size 3.5C, 25 Sqmm

From 32 A MCCB of MV Panel to Control Panel of Sew. Pump (Wall) size 4C, 6 Sqmm

From 32 A MCCB of MV Panel to Sew. Pump Capacitors (Wall) size 3C, 10 Sqmm

From 32A MCB of MV Panel to LDB (Wall) size 4 core 10 sq.mm

From control Panel of Pump to Local P.B. Station size 3.5 core 25 sq.mm copper (Under ground)

Supplying and fixing of cable gland and termination with Al. cable lugs for the following sizes of PVC insulated PVC sheathed armoured alumunium LT UG cable and with earth connection.

size 3.5C, 25 Sqmm (EB)

size 4C, 16 Sqmm (DG)

Size 4C, 6 sq.mm (Sew. Pump)

size 3C, 10 Sqmm (Sew. Pump capacitor)

Size 4 core 10 sq.mm (LDB)

size 3 core 2.5 sq.mm copper

Supply delivery and fixing of out door weather proof junction box fabricated in MS sheet steel (12 SWG for front 14 SWG for other sides) near the suction well for terminating the Pump power cable and control cable on an angle iron frame at convenient height for working and above the local MFL with provision for terminal block & earthing as per IS including incidental civil works etc.,complete. For Sewage Pumpset

Supply, delivery and fixing of out door wheather proof Local Push Button station in the compartment provided in the Junction Box with 1 No"ON" and 1 No "OFF" push buttons (the "OFF" push button shall be locable in "OFF" position).

Supply, delivery and erection of Single Phase 6 way 16 Amps, 10kA LDB with the following: 1 No. of 16A, DP RCCB 4 Nos of 6A, SP MCB in sheet steel enclosure fitted with busbars and neutral links and suitable angle iron frame works with provision for earthing etc. complete.

Run of 2 of 2.5 sq mm PVC unsheathed aluminium single core cable in PVC pipe for mains with continuous earth connection by 14 SWG wire From the MCB DB to the Switch boards in office, store,and 16A power socket.

Wiring with 2.5 sq mm PVC insulated single core aluminium cables of 650 V Grade on suitable rigid PVC pipe on wall and ceiling with PVC accessories, with MS switch box covered with 3 mm thick hylam sheet with continous earth wire connection of 14 SWG TC wire.

Light points

Wiring with 2.5 sq.mm PVC unsheathed A1. single core cable on suitable rigid PVC pipe for 5A 3 pin CS plug non interlocking including supply and fixing of plug pin top in MS box with continuous earth connection by 14 SWG TC wire.

Lighting Fixtures

Supply and installation of 215 V - 2 x 40 W Flouresent TL fitting industrial type with enamelled reflector complete with all accessories - choke, starter, tube, etc. suitable for wall mounting or roof mounting on conduit tube.

Supply and fixing of water tight bulk head fitting suitable for 100W bulb with lamp guard and lamp.

Supplying and fixing of 12" sweep AC exhaust fan complete including providing necessary opening in the wall.

a) Supply and erection of 1 No 3" dia 2 m long tubular Wall Mounted post with complete 250W sodium vapour lampwith necessary fitting and other accessories etc.

Supplying and clamping of PVC , LTUG cable by M.S.clamps on wall for 2 core 4 sq.mm

Suppling and fixing of cable gland and termination with earth connection for 2 core 4 sq.mm

Supplying and fixing of 15 amps, single phase, DP SFU switch with F&N on suitable TW Board with earth connection only

Supply and delivery of the following safety equipment a) 5 kg capacity ISI marked dry chemical powder type fire extinguisher

First Aid box ( medium)

Fire bucket - 3 Nos with MS stand

Rubber mat 6mmthick of 1.1 kv grade of size 2m x 1m

Fire safety rules chart

Shock treatment chart

"Caution / Danger" Board

Supply and delivery of the following tools:

Electrical tester

Supply and delivery of Rechargeable emergency lamp with 600mm Fluorocuent lamp, dry type rechargable battery etc.,complete.

Earthing as per ISI specifications with necessary masonary work

Supply and connection of earthing conductor including two coats of approved painting and laying between earth pit and equipments 25 x 6 mm GI Flat

25 x 6 mm GI Flat

40 x 6 mm GI Flat

Supply, Delivery, erection, testing and commissioning of Ultrasonic Level Transmitter of range 0 - 15 meters in the collection well with necessary mounting arrangements including incidental civil works etc complete.

Operation and maintenance of the installation: Operation and maintenanceof the plant with all auxiliary equipment for a period of 120 days after satisfactory supply, erection , commissioning and operating the entire plant for 30 days, free of cost by the contractor before handing over the plant to the Board.

Bill.No.5.5Construction of Column and Erection of ISMB

Excavation in hard stiff clay, stiff black cotton, hard red earth, shales, muram, gravel stoney earth and earth mixed with small size boulders as per SS 20B with initial lead of 10m and lift of 2.0m etc. complete.

Upto 2.0 m below GL

From 2.0 m to 3.0 m below GL

Supplying and filling crushed stone sand (M sand) for foundation and basement including watering, consolidating, ramming etc. complete.

Cement concrete 1:3:6 using 40mm gauge hard broken stone jelly including laying in layers of not more than 15cm thick including ramming curing etc complete (M-sand)

1.5 m to 4.5 m below GL

Providing form work with centering for soffits of reinforced cement concrete slabs or plain surfaces including strutting upto 3m high.

Upto 3.0 m height above and below GL

Providing and laying in position machine batched machine mixed and machine vibrated design mix. Sulphate resistance cement concrete M25 grade (M-sand) for reinforced cement concrete structural elements under controlled water cement ratio with plasticiser using 20mm and down graded machine broken granite stone jelly excluding the cost of centering and shuttering and reinforcement but including curing, Mixer, vibrator, etc. as per standard specification and as directed at site

Upto 1.5 m below GL

From 1.5 m to 4.5 m below GL

Upto 1.5 m above GL

From 1.5 m to 4.5 m above GL

Supplying, fabricating CRS bars manufactured by Primary steel including cost of steel, binding wire, cutting, cranking and tying, in position with binding wire assembly etc complete.

Plastering with cement mortar 1:3 (SRC) using Crushed stone sand (M-sand) for 12mm thick including curing, etc., complete.

Colour washing two coats over one coat of white washing

Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations & basement

Disposal of surplus earth

Supply and fixing ISMB 300mm of 42.2kg/m for 6m on column over suction well

Erecting pulley block of 1 Tonne capacity with a 3m chain including additional chain length of 10m facilitate for horizontal movement on the beam etc complete - For Suction well

Painting with superior quality ready mixed paint of chocolate, light green, grey or any other approved colour over ISMB (for new iron work two coats).