CNT/SEW/DEP/3542/2023-24

Amount

Bill No.1. Supplying and Laying of 200mm dia CI dedicated sewage pumping main from TNHB,1st Avenue to Imayam Colony ANWE-I Sewage Pumping Station in Depot - 88, Area VII

Cutting of asphaltic concrete road using Jack Hammer

Supplying and laying C.I. pipes and specials including earthwork excavation for trenches in hard stiff clay, blackcotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil depositing the earth on banks with initial lead of 10 m and initial lift of 2m carting the pipes from any of the Board’s Stores to the site of work lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc., complete at 1.50m deep. (200mm dia) Class 'B' pipe

Supply and Delivery of DWC Structured Wall Polyethylene Piping Systems (Pipe with online/offline coupler and elastomeric sealing ring) with required specials non-smooth external annularcorrugated and smooth internal surface (Double wall) (SN8 Class) for non-pressure underground sewerage,drainage application generally as per IS-16098 (Part-2) type B 200mm dia.

1m depth

1.5m depth

Construction of Machine holes using sulphate resistant cement at various depths to invert including earthwork excavation as per SS20B,laying cement concrete in C.M.1:3:6 using Crushed stone sand (Msand) 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 brick work in C.M.1:3, for 23cm thick wall and over 23cm thick wall, plastering 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 12.0mm to 20mm B.G. jelly fixing the frame, providing C.I.steps, machine hole cover and frame, benching and channelling including refilling the trench with excavated earth and disposal of surplus earth etc.complete forthe following sizes for each machine hole

1m Depth

1.5m Depth

Providing and laying in position machine batched,machine mixed and machine vibrated design mix cement concrete of M25 grade 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, fixing, fan clamps etc.,as per standard specification and as directed by the Board officers complete.

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.73/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 the following diametres of pipes. 200mm dia

Making Rubber joints including jointing materials 200mm dia Labor Only

Cutting C.I Pipes

200mm dia

150mm dia

200mm CI D/S 90⁰ deg bend

200mm CI D/S 45 deg bend

200mm CI D/S 22 1/2 deg bend

200mm CI D/S 11 1/2 deg bend

100mm CI D/F 90⁰ deg bend

Supplying,Conveying and fixing CI collar including earth work excavation

200 mm dia CI MJ Collar

100mm dia

Supplying and fixing double air valve including fixing the surface boxes / valves and covers - 100 mm dia

Specials for 100mm dia sluice valve

100mm dia F/Spigot Tail Piece

100mm dia F/Socket Tail Piece

100mm dia Flange-0.5m

CI Specials for 100 mm Air valve

200 x 200 x 100mm D/Soc Flanged Tee

Construction of 100mm Double Air Valve chamber for 100mm to 350mm 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

Making holes in the existing collection well by core cutting machine to insert 200mm dia D.I pipe.

Storm Water Drain Crossing

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

Bill No.2. Construction of well at TNHB 205 flats

Suction well

Earthwork excavation in hard stiff clay, stiff black cotton, hard red earth, shales, Muram, gravel, stoney earth and earth mixed with small size boulders S.S. 20-B.with initial lead of 10m and lift of 2.0m

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.

Upto 1m above and 3m below GL

6 m to 7 m below GL

Providing and laying in position machine batched, machine mixed and machine vibrated design mix. Sulphate resistance cement concrete of M30 grade 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, etc. as per standard specification and as directed at site

Up to 1.5m Below & 1.0m above ground level

From 1.5m to 4.5m below ground level

From 4.5m to 9.0m below ground level

C.C 1:2:4 using 20mm gauge hard broken stone jelly for PCC works using Sulphate resistance cement including laying, ramming, curing etc complete for benching and channeling as directed.

4.5m to 9m depth

Providing point edge to well curb using ISA 150x75x10 mm of weight 16.9 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

3m dia well

First depth of 2m

Second depth of 2m

Third depth of 2m

Plugging the bottom of the well using C.C 1:3:6 using 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 and fabricating CRS bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works as follows

Plastering with C.M.1:3 Using Sulphate resistance cement for 20mm thick including curing etc complete.(well inner)

Plastering with C.M.1:3 for 12mm thick including curing etc complete.(well outer)

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

Disposal of surplus earth

Supplying and fixing C.I.steps.

Colour washing two coats over one coat white washing

Supply and erection of Cast Iron single faced manually operated rising type 200mm dia penstock 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

Supply and installation of SS open mesh flooring with 25x6mm thick flats for outer frame and 25x3mm SS and 12x3mm SS flats spaced at 30mm and 60mm respectively and 50x10mm SS flats for mesh support and 50x50x6mm SS angle for opening forming a mesh over the surface of the well etc,complete

Construction of Column & Erection

Providing and laying in position machine batched, machine mixed and machine vibrated design mix. Sulphate resistance cement concrete of M30 grade 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, etc. as per standard specification and as directed at site

upto 1.5m from G.L

1.5 m to 4.5m above G.L

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

upto 3.0m from G.L for column

above 3.0 m to 4.0 m

Supplying and fabricating CRS bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works

Plastering with C.M.1:3 for 12mm thick including curing etc., complete.

Colour washing two coats over one coat of white washing

Supply and fixing ISMB 300mm of 42.2kg/m for 3.7m on column over screen/grit well

Erecting pulley block of 1Tonne capacity with a 6m chain including additional chain length of 7m facilitate for horizontal movement on the beam etc complete

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).

Valve chamber

Earth work excavation in all kinds of soils except hard rock requiring blasting inclusing of shoring strutting and bailing out water whereever necessary refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated depositing surplus earth within in compound in places as shown by the departmental officers clearing and levelling the site with initial lead of 10mts. and lift of 2m etc. complete.

Supplying and filling with sand for foundation and basement as per standard specification

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

Providing and laying in position machine batched, machine mixed and machine vibrated design mix. Sulphate resistance cement concrete of M30 grade (using SRC) 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, etc. as per standard specification and as directed at site

Supplying and fabricating CRS bars manufactured by Primary steel producers/Integrated Steel Plants as per IS:1786-2008,including fixing with binding wires, assembling and laying in position for all RCC works

Precast slab in Cement Concrete 1:2:4 using 12-20mm BG 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, etc., complete.

Providing formwork with centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3.0m high etc complete complying with standard specifications.

Plastering with cement mortar 1:3 (SRC) for 20mm thick including curing, etc., complete.

Plastering with cement mortar 1:3 (SRC) for 12 mm thick including curing, etc., complete.

Refilling with excavated soil (other than sand) compling with standard specification for filling in foundation and basement etc. complete

Disposal of earth work

Supplying and fixing C.I.steps.

Pipes & specials

Delivery Pipe & related Specials within Well

100 mm dia CI D/F Duckfoot Bend

150 x 100 mm CI D/F taper

150 x 200mm CI D/F Taper

150 mm dia CI - 1m D/F pipe

150 mm dia CI - 0.5m D/F pipe

150 mm dia CI - 1.5m D/F pipe

150 mm dia CI - 2m D/F pipe

150 mm dia CI D/F 90 deg Bend

150x150mm dia AF Tee

150 mm dia CI non-return valve

150 mm dia CI sluice valve

150mm dia CI Blank Flange

150mm dia CI Fl/Spi Tail Piece

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,

150mm dia

100mm dia

6.Kiosk

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

Supplying and filling with sand for foundation and basement including watering consolidationg ramming etc. complete cross wall, basement and steps.

Cement Concrete 1:4:8 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 II class bricks in C.M 1:4 for 23cm thick wall including curing etc. complete.

Plastering with cement mortar 1:3 for 12mm thick including curing, etc., complete. (Sch.No.11.9 p.104 of S.O.R 2019-20)

M.S Sheet 2mm thick(15.7 kg/m2)

50 x 50 x 6 mm M.S Angles(4.5 kg/m)

25 x 25 x 5 mm M.S Angles(1.8 kg/m)

Painting with two coats of ready mixed plastic emulsion paint first class quality and of approved colour over priming coat including thorough scrapping clean removal of dirt, etc., complete and including necessary plaster of paris, putty, etc., wherever required for (40.20 x 2 x 2.25) 180.90sq.m

Submersible pumpset

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, 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 - 660 lpm against a total head of 11 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 - 1 kVAR

Supplying and fixing of 32 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 32 Amps Triple Pole SFU with HRC fuses on suitable angle iron frame with earth connection only.

Capacity of M.V. Panel - 32 Amps

32 A FP(SN) MCCB 25 kA (for EB) - 1 No

16 A TP MCCB 25 kA for Sew. Pump - 2 Nos

16A TPMCCB25kA (forSew. Pumpcap.)-2Nos

16A TPMCC\B25kA (for LDB )-1 No

Supplying and clamping of variuos 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 32 Fuse Carriers to 32 Amps SFU & from there to 32 Amps MCCB Switch of MV panel (Wall)

size 4C, 6 Sqmm

From 16 A MCCB of MV Panel to Control Panel of Sew. Pump (Wall)

size 4C, 6 Sqmm

From 16 A MCCB of MV Panel to Sew. Pump Capacitors (Wall)

size 3C, 6 Sqmm

From 32A MCB of MV Panel to LDB and PLC Panel (Wall) size 2 core 4 sq.mm

From control Panel of Pump to Local P.B. Station and for PLC signal cables size 3 core 2.5 sq.mm copper (Under ground)

From Control Panel of Pump to well size 4 core 2.5 sq.mm copper

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

size 4C, 6 Sqmm (EB)

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

size 3C, 6 Sqmm (Sew. Pump capacitor)

Size 2 core 4 sq.mm (LDB &PLC)

size 3 or 4 core 2.5/1.5 sq.mm copper

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

Supplying and fixing of box type 4’ 20W single LED fitting complete with TW round block and tube on ceiling or wall with connection.

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

a)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

VEDAS INFRATECH CONSULTANT PVT. LTD.

S.CHANDRASEKARAN & CO