Providing Water Supply to 3264 TNUHDB Tenements at Nallagoundanpalayam of Chithodu Town Panchayat in Erode District Deposit Work

Amount

Providing Water Supply to 3264 TNUHDB Tenements at Nallagoundan palayam of Chithodu Town Panchayat in Erode District

Construction of Infiltration well (2 Nos) of size 4.50m dia, 6.00 m Depth in River Cauvery near Valliyampalayam including Construction of Coffer Dam

Supply, delivery, laying, Jointing & testing of 150mm DI Flanged Pipes (4m length) of 300 m Connecting main (2 Nos)

Construction of 0.90 LL capacity of Collection Sump at Vairamangalam River Bank - 1 No.

Construction of 5.40 LL capacity with 6.00 m Staging Height of Elevated Sump at Nallagoundanpalayam - 1 No.

Construction of Pumproom of size 12.00 x 8.00 x 3.00 M at Collection Sump site and Construction of Bathroom & Toilet with Sanitary Arrangements near Vairamangalam River Bank in Chithodu Town Panchayat in Erode District -1 No

Supply, delivery and erection of Various Capacity of Open Well Submersible / HSC Pumpsets and accessories at Infiltration wells and Collection Sump at Head Works

Supply, delivery, laying, Jointing & testing of 250 mm dia DI K9/ K7 Pipes for Pumping Main and 150/80 mm dia GI Gravity Mains, Construction of Pipe Carrying Bridge - 2 Nos and Construction of Thrust Block Arrangements

Construction of Compound Walls of 30 m x 30 m size for Head works and Nallagoundan palayam Elevated Sump Site - 2 Nos

Maintenance of the Scheme for a period of One Year (12 months) (excludling energy charges) to be paid during contractors's maintenance period

Description of Work / Item(s)

Amount

Construction of Infiltration well (2 Nos) of size 4.50m dia, 6.00 m Depth in River Cauvery near Valliyampalayam including Construction of Coffer Dam

Earthwork excavation above water level in light or sandy or clayey soils for infiltration well of 4.50 m dia (internal) including levelling the site with an initial lead of 10 metres etc., complete and as directed by the TWAD Board Officers.

First depth of 2.00 m

RCC 1:1.5:3 (One cement, One & half sand, three HBG) for well curb (excluding the cost of RTS grills for reinforcement, centering and shuttering, strutting) but including cost of mixing, laying of concrete, vibrating with mechanical vibrators, ramming consolidating finishing, curing etc., complete complying with relevent standard specification and as directed by the TWAD Board Officers.

Upto 1.50 m Below GL

Sinking of Infiltration well below water level including all incidental charges using special tools and plants such as air compressor helmet etc. complete and as directed by the TWAD Board Officers.

First depth of 2.00 m

Second depth of 2.00 m

Third depth of 1.00 m

Porous cement concrete 1:4 (One cement, four aggregate) by using 20 mm machine crushed HBG (no sand to be used) for the steining wall of infiltration well/ Mat portion etc. excluding cost of reinforcement and fabricating centering, shuttering and strutting but including cost of all materials, mixing placing in position lifting finishing and curing etc., complete and as directed by the TWAD Board Officers.

Brick work in C.M.1:5 (one cement and five sand) using country bricks of size 22 x 11x 5 cm (8.75" x 4.25" x 2.00") for infiltration well including cost of scaffolding, curing and finishing etc. complete and as directed by TWAD Board Officers.

upto 1.50 m depth below GL Well Steining

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90cm C/C and casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978.

Plane Surface:

0 to 3.30m height - Bottam of Roof slab

Curved Surface:

0 to 3.30m height - For Curb outside, inside vertcal portion, Bottam (Slanting), Binding Ring & Porous concrete inside and out side.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges etc. complete and as directed by the TWAD Board Officers. RTS Rod

Plastering with CM 1:4 (one cement and four sand) 12mm thick for well steining inside including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Plastering with CM 1:5 (one cement and five sand) 20mm thick for well steining outside including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Supply, delivery and fixing in position of 50 mm thick RCC 1:1.5:3 (One cement, One & half sand, three HBG in 20 mm metal) manhole cover of size 0.60 x 0.60 m with necessary reinforcement and MS angle of size 50 x 50 x 6mm thick fixed alround the edges of the slab with locking arrangements etc., complete and as directed by the TWAD Board Officers.

Supplying and fixing in position of PVC mould CI Steps 30cm centre to centre inside the collection well fixed in staggerd manner at suitable intervals etc., complete and as directed by TWAD Board officers.

Providing Ventilating arrangement by fixing in position 110mm OD PVC 6KSC pipe with PVC cowl etc., complete and as directed by the TWAD Board Officers (2 Nos)

110mm OD PVC 6KSC pipe (2 x 0.5m)

110mm PVC cowl

Drilling of borewells of size 4" to 5" dia. in Sedimentary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including supplying and packing of pebbles and conveyance of hand Boreset including loading and unloading etc., complete and as directed by TWAD Board Officers.

Supply and delivery of MS Channel (No. ISLC 200) to house the submersible pumpsets including fixing, placing in position and painting etc., complete and as directed by the TWAD Board Officers.

Supply and fixing of Cutting edge for well curb for 4.50 m dia using 75 x 75 x 10 mm MS angles including cost of fabrication, welding, placing in position in the curb supply of bolt, nuts including cost of conveyance charges for the cutting edge assembly etc., complete and as directed by the TWAD Board Officers.

Supply and delivery of 75 x 75 x 10mm MS angle for making cutting edge for well curb Wt. per 1m = 11.00 Kg (3.14 x 5.5 x 11 = 190.19 Kg)

Fabrication charges for cutting edge including Iron works for trusses & record racks (labour only)

Colour washing two coats with fine screened shell lime of good quality over one coat of white washing over the plastered surface for outside of well and side of roof slab including cost of lime colour pigment, gum, brushes, etc. with relevent standard specification and as directed by the TWAD Board Officers.

Labour charges for Plugging the bottom of infiltration well with coarse sand passing through a sieve of 10 meshes to 2.5 cm and retained in a seive of 200 meshes to 2.5 cm and filling it under water including cost of sand upto 60 cm from bottom of well curb and as directed by TWAD Board Officers.

COFFER DAM

Providing Coffer Dam in the River including supply and filling of sand with gunney bags and conveying to the site stacking as directed by the TWAD Board officers within lead of 100m and lift of 2m including cost of gunney bags for diversion of water flow at river bed and dimantling the coffer dam after completion of work and as directed by TWAD Board Officers.

Supply and delivery of puddle clay including packing the puddle clay between the sand bag including cost of clay etc., complete and as directed by TWAD Board Officers.

Dewatering using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.and as directed by TWAD Board Officers.

Hire charges for 10 HP Diesel Pumpset

Description of Work / Item(s)

Amount

Supply, delivery, laying, Jointing & testing of 150mm DI Flanged Pipes (4m length) of 300 m Connecting main (2 Nos)

Connecting Main

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2.00 m in narrow trenches having bed width 1.25 m & below for laying of pipes for water supply works in the following type of soils as directed by TWAD Board officers

Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B

150 mm DI Class PN10 Flanged Pipes

Supply and delivery of the following sizes of Ductile Iron class PN 10 flanged Pipes of standard length conforming to IS 8329/ 2000 with inside lining with cement mortar of standard thickness and specifications and outside coating of metallic zinc as per IS specifications of the following sizes.The cost of pipes should include loading, freight, transit insurance, incidental charges, packing and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stocking which will be paid separately) and as directed by the TWAD Board officers.

150 mm dia DI PN 10 flanged Pipe 4m length

Supply and delivery of DI Double Flanged Specials as per IS Specification to the site of work including loading, freight, unloading, stacking at site, transit insurance charges, etc., complete and as directed by the TWAD Board officers.

150 mm x 90 deg DI bend - 4 Nos- 84 Kg

150 mm x 45 deg DI bend - 4 Nos- 76 Kg

Total

Lowering of following size of DI D/F Pipes and specials into the trenches and laying to proper grade and alignment etc complete and as relevant specification and as directed by the TWAD Officers

150 mm DI Class PN 10 Flanged Pipes

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS?638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete and as directed by the TWAD Board officers.

For depth upto 2m & For works above water level

150 mm DI Class PN10 Flanged Pipes and Specials

Conveyance of following DI Pipes including unloading from lorries at stock yard and stocking propoerly and loading in to lorries at stock yard, transportaion charges upto 8 km from stock yard and unloading from lorries at site/ along the alignment carefully as directed by TWAD Board officers.

DI Pipes

Over 125 mm upto 200 mm DI pipe

Refilling the trenches with excavated earth (other than sand) in layers of 15 cm thick well rammed, watering consolidated, and complying with standard specifications for filling the trenches after the pipes and specials are laid, jointed and tested removing and spreading the surplus earth at the places etc., complete and as directed by the TWAD Board Officers.

150 mm DI Class PN10 Flanged Pipes

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.

150 mm DI Class PN 10 Flanged Pipes

ANCHORAGE ARRANGEMENTS

Drilling of borewells of size 4" to 5" dia. in Sedimentary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including supplying and packing of pebbles and conveyance of hand Boreset including loading and unloading etc., complete and as directed by TWAD Board Officers.

Supply and delivery of the following sizes of Galvanised mild steel tubes contilnuously welded Electrilc Resistance Welded (ERW), High Frequency Induction Welded (HFIW), Hot Furnaced welded (HFN) types screwed in both ends, conforming to IS 554/85 for pipes threading, socketted on one end and the other end protected with plastic thread protector, GI pipes conforming to IS 1239/ Part-I 2004 and as amended from time to time and bearing ISI Mark. The cost of pipes should include loading, freight, transit, insurance, incidental charges, packing, transportation charges stacking at site etc., complete and as directed by the TWAD Board Officers.

80 mm dia GI pipe

Conveyance of following GI Pipes including unloading from lorries at stock yard and staocing propoerly and loading in to lorries at stock yard, transportaion charges upto 8 km from stock yard and unloading from lorries at site/ along the alignment carefully as directed by the TWAD Board officers.

Upto 125 mm GI pipe

Plugging the G.I pipes with P.C.C 1:1.5:3 using 20mm HBG Stone including the cost of materials, mixing, curing, placing and excluding cost of centering etc., complete and as directed by the TWAD Board officers.

Supply and fabrication of Mild steel flat of size 50 x 12 mm for anchoring support for the pipe with anti rust painting (37 x 1.5 x 4.71 = 261.41 Kg) and including Fabrication charges for Iron works etc., complete and as directed by the TWAD Board officers.

Supply and fabrication of Mild steel flat of size 50 x 12 mm for anchoring support for the pipe with anti rust painting (37 x 1.5 x 4.71 = 261.41 Kg)

Fabrication charges for Iron works for trusses (labour only)

Supply and delivery of MS Bolt & Nuts 16mm dia 65mm to 90mm Length fully threaded bolts and nuts with 2 Nos.etc., complete and as directed by the TWAD Board officers.

Construction of Thurst Blocks

Thurst Block- 150 mm x 90 o - (12 KSC) of size 1.50 x 1.50 x 1.25 m - 1 No

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental works, and as directed by the TWAD Board Officers in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil

Ist depth of 0 to 2.00 m

IInd depth of 2.00 to 3.00 m

Supplying and Filling the basement using river sand in layers of 15cm thick including watering, ramming and consolidating and stacking for premeasurement complying with relevant standard specifications etc., complete and as directed by the TWAD Board Officers.

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete and as directed by the TWAD Board Officers. Upto 1.50m below GL

Reinforced cement concrete 1:11/2:3 (one cement, One and half sand and three hard granite broken stone of 20mm size ISS gauge) for the following works. The rate is including the cost of mixing, placing, vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing, curing etc. complete but excluding the cost of steel for reinforcement, centering, strutting, shuttering etc., complete and as directed by TWAD Board Officers. Upto 1.50m below GL

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90mm c/c and supported by casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978 and as directed by the TWAD Board officers.

0-3.30m height

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe.415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges etc. complete.

RTS Rods

Refilling the trenches over the Thrust block with excavated earth (other than sand) in layers of 15cm thick, watered well rammed and consolidated, complying with standard specification removing and spreading the surplus earth at the placed shown etc., complete and as directed by the TWAD Board Officers.

Thurst Block- 150 mm x 45 o - (12 KSC) of size 1.50 x 0.90 x 0.90 m - 1 No

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental works, and as directed by the TWAD Board Officers in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil

Ist depth of 0 to 2.00 m

IInd depth of 2.00 to 3.00 m

Supplying and Filling the basement using river sand in layers of 15cm thick including watering, ramming and consolidating and stacking for premeasurement complying with relevant standard specifications etc., complete and as directed by the TWAD Board Officers.

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete and as directed by the TWAD Board Officers. Upto 1.50m below GL

Reinforced cement concrete 1:11/2:3 (one cement, One and half sand and three hard granite broken stone of 20mm size ISS gauge) for the following works. The rate is including the cost of mixing, placing, vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing, curing etc. complete but excluding the cost of steel for reinforcement, centering, strutting, shuttering etc., complete and as directed by TWAD Board Officers. Upto 1.50m below GL

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90mm c/c and supported by casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978 and as directed by the TWAD Board officers.

0-3.30m height

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe.415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges etc. complete.

RTS Rods

Refilling the trenches over the Thrust block with excavated earth (other than sand) in layers of 15cm thick, watered well rammed and consolidated, complying with standard specification removing and spreading the surplus earth at the placed shown etc., complete and as directed by the TWAD Board Officers.

Description of Work / Item(s)

Amount

Construction of 0.90 LL capacity of Collection Sump at Vairamangalam River Bank - 1 No.

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental charges in the following classification of soil and as directed by the departmental Officers in the following classification of soil.

First depth of 0 to 2m

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil.

Soft disintegrated rock, laterite, soft rock or kankar not requireing blasting

Second depth of 2 to 3m

Soft disintegrated rock, laterite, soft rock or kankar not requireing blasting

Medium rock and dence medium rock not requireing blasting

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers.

Beyond 1.50 m to 4.50 m depth below G.L.

RCC M30 Design mix concrete (Approximately for one cum of concrete 400 kg of cment, 0.47 cum of sand with bulkage and wastage, 0.57 cum of HBG stone of 20 mm size, 0.28 cum of HBG stone of 10 mm size are to be used) for the following members (excluding the cost of RTS grills for reinforcement, centering and shuttering, strutting) but including cost of mixing, laying of concrete, vibrating with mechanical vibrators, ramming consolidating finishing, curing etc., complete complying with relevent standard specification and as directed by TWAD Board officers.

Upto 4.5 m above G.L

Beyond 1.50 m to 4.50 m below GL

Upto 4.5 m above G.L

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90mm c/c and supported by casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978 and as directed by the TWAD Board officers.

Plane Surface:

Upto 3.30m height Below & above G.L

3.30m to 4.30m height.above G.L.

Curved Surface:

0m to 3.30m height from GL

From 3.30 m to 4.30 m above floor slab

Circular Column

Upto 3.30m above floor slab

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant ISspecification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, etc. complete.-

RTS Rods

Painting the new plastered surfaces with two coats of approved (snowcem)cement paint for all the external surface of the structure including cleaning, preparing the surface, curing etc., complete and as directed by TWAD Board Officers.

Providing and fixing of cut stone (Rough dressed) set in CM 1:3 of size 0.45 x 0.45 x 0.15 M at site including cost of all materials, labour charges, curing etc., complete and as directed by TWAD Board Officers.

Supply, delivery and fixing in position of enamel coated "water level indicator" with ball floating and all accessories of approved pattern and design, in the outer surface of the side wall of Sump to read the water level of the required height and as directed by TWAD Board Officers.

Supply, delivery and fixing in position of MS ladder out side the tank of width and length 2.5 m and 45 cm made out of 50 x 50x specifications with all features such as M.S.Angles for landind and clamps for fixing the ladder with coloumn /brace for stability. The ladder should be made of 65x65x6 mm equal angles for both sides and with necessary locking arrangements systems so as to avoid any damage by miscreants. The ladder should be painted with one coat of red oxide and two coat of black paint etc., as directed by TWAD Board officers. - For Sumps

Supply, delivery and fixing in position of CI manhole with frame cover of size 0.60 x 0.60m cover (heavy duty) including locking arrangements, cost of materials etc., complete and as directed by the TWAD Board Officers.

Supply and fixing in RCC M30 Design mix concrete (Approximately for one cum of concrete 400 kg of cment, 0.47 cum of sand with bulkage and wastage, 0.57 cum of HBG stone of 20 mm size, 0.28 cum of HBG stone of 10 mm size are to be used) for ventilator of dia 0.50 m with 0.05 m thick including the cost of men and materials complying with approved pattern and design including cost of cement, reinforcement centering, shuttering, strutting, curing and fixing in position on the roof slab with mosquito proof net arrangement etc., complete

Providing and fixing of RCC inner access ladder in M30 Design mix concrete for one cum of concrete 400 kg of cement, 0.47 cum of sand with bulkage and wastage, 0.57 cum of HBG stone of 20 mm size, 0.28 cum of HBG stone of 10 mm size are to be used) for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post of 10cm x 15cm and step slab of 25mm x 25mm with suitable inclination etc., complete and as directed by TWAD Board officers.

Refilling the foundation and trenches with excavated earth (other than sand) in layers of 15cm thick,watered well rammed and consolidated etc., complete complying with standard specification removing and spreading the surplus earth at the placed shown within 10m distance and as directed by the TWAD Board Officers.

Pipe connection work

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental works in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders.

for Inlet & over flow - 150 mm dia DI D/F Pipes

Lowering the following size of DI pipes and specials into the trench and laying to proper grade and alignment as per relevant specification etc., complete and as directed by the TWAD Board officers

150 mm DI Double Flanged Pipe

Jointing the CI/DI Double Flanged pipes and specials with rubber insertion to the required specifications with MS bolts and nuts etc., complete and as directed by the TWAD Board officers (including cost of jointing mateirlas)

150 mm DI Double Flanged Pipe

Supply and delivery of the following sizes of Ductile Iron class PN 10 flanged Pipes of standard length conforming to IS 8329/2000 with inside lining with cement mortar of standard thickness and specifications and outside coating of metallic zinc as per IS specifications of the following sizes.The cost of pipes should include loading, freight, transit insurance, incidental charges, packing and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stocking which will be paid separately) and as directed by the TWAD Board officers.

150 mm dia DI Class PN 10 flanged Pipe 2.50 m length for inlet

150 mm dia DI Class PN 10 flanged Pipe 2.00 m length for inlet & overflow

150 mm dia DI Class PN 10 flanged Pipe 1.50 m length for overflow

150 mm dia DI Class PN 10 flanged Pipe 1.00 m length

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163- 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

150 mm dia DI D/F Gate Valve

Supply and delivery of DI D/F specials to the site of work conforming to IS 9523 / 2000 including loading, freight, unloading, stacking at site, transit insurance charges, etc., complete and as directed by the TWAD Board officers.

ALL FLANGE

100mm - 200 mm dia

150 mm x 0.50 m DI D/F Pipe - (1.00 No x 22.65 Kg) - 22.650 Kgs

150 mm x 0.30 m DI D/F Pipe - (3.00 Nos x 18.23 Kg) - 58.600 Kgs

150 mm x 1.00 m DI D/F Pipe (Slotted) - (2 Nos x 33.70 Kg) - 67.400 kgs

150 mm DI D/F Duck Foot Bend - (3 Nos x 31.00 Kg) - 93.000 Kgs

150 mm 90 degree DI D/F Bend - (3 Nos x 21.00 Kg) - 63.00 kgs

150 mm DI Bell mouth - (1 No x 10.00 kg) - 10.000 kgs

150 mm DI flgd / skt tail piece - (2 Nos x 14.00 Kg) - 28.000 Kgs

Total

Refilling the trenches with excavated earth (other than sand) in layers of 15 cm thick well rammed, watering consolidated, and complying with standard specifications for filling the trenches after the pipes and specials are laid, jointed and tested removing and spreading the surplus earth at the places etc., complete and as directed by the TWAD Board Officers.

for Inlet & over flow - 150 mm dia CI D/F Pipes

Rain Water Harvesting Arrangements

Parapet Wall over roof slab

Brick work in Cement Mortar 1:6 (one cement and six sand) using country bricks of size 8 3/4 x 4 1/4" x 2" for Parapet Wall alround roof slab as per standard specifications and as directed by the TWAD Board Officers. Upto 4.50m above GL

Plastering with CM 1:5 (one cement and five sand) 12 mm thick for walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Plastering with CM 1:3 (one cement and three sand) 12 mm thick for walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Painting the new plastered surface with two coats of approved (snowcem) cement paint for all the external surface of the structure including cleaning, preparing the surface, curing etc., complete. The quality, shade/colour of paint shall be approved and as directed by TWAD Board officers.

Supply and fixing of Cast Iron Nahini / Floor Trap with stainless Steel Grating of 100mm x 75mm for fixing in the roof of the Sump and as directed by TWAD Board officers

Construction of Recharge / soak pit

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m including shoring, strutting and baling out water wherever necessary and all other incidental works, as directed by the departmental Officers in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil

Brick work in Cement Mortar 1:6 (one cement and six sand) using country bricks of size 8.75 x 4.25" x 2" including curing etc complete for parapet wall around roof slab as per standard specification.

Supply, delivery and filling clear river course sand for the recharge pit as per type design.

Supply, delivery and filling of 20 mm size brick bats as per type design.

Supply, delivery and filling of 40mm size brick bats as per type design.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, etc. complete. RTS Rods

Fabrication of precast slab in RCC 1:1.5:3 (one cement,one&half sand, three HBS) including cost of finishing, curing etc excluding cost of reinforcement fabrication, centering charges etc complete

Moulding charges for pre-cast slab including cost of all materials etc., complete and as directed by TWAD Board Officers

Supply and fixing of rain water pipe & specials

110mm OD PVC 4 KSC pipe

110 mm PVC bend

110 mm PVC shoe

Wooden plug, clamp and screws

Description of Work / Item(s)

Amount

Construction of 5.40 LL capacity with 6.00 m Staging Height of Elevated Sump at Nallagoundanpalayam - 1 No.

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental charges in the following classification of soil and as directed by the departmental Officers in the following classification of soil.

First depth of 0 to 2m

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil.

Medium rock and dence medium rock not requireing blasting

Second depth of 2 to 3m

Medium rock and dence medium rock not requireing blasting

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers.

Up to 1.50 m depth below GL

Upto 4.5m above G.L

RCC M30 Design mix concrete (Approximately for one cum of concrete 400 kg of cment, 0.47 cum of sand with bulkage and wastage, 0.57 cum of HBG stone of 20 mm size, 0.28 cum of HBG stone of 10 mm size are to be used) for the following members (excluding the cost of RTS grills for reinforcement, centering and shuttering, strutting) but including cost of mixing, laying of concrete, vibrating with mechanical vibrators, ramming consolidating finishing, curing etc., complete complying with relevent standard specification and as directed by TWAD Board officers.

Upto 1.50 m depth below GL

Beyond 1.50m & upto 4.50m below GL

Upto 4.5m height above GL from BL

4.5m to 7.32 m height above GL from BL

7.32m to 10.98 m height above GL from BL

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm for boarding laid over I type M.S. Truss of size 25x25x3mm space at about 90cm c/c and supported by 40mm GI pipe (Medium) spaced at 75cm c/c etc. for various heights. The centering should be removed after the specified striping time of the concrete as per IS-456/1978.

Plane Surface:

Upto 3.30m height below GL

From 3.30 m to 4.30 m height above GL & From Floor Slab

From 5.30 m to 6.30 m height above GL

Square Column

Upto 3.30m height below & above GL

From 3.30m to 4.30m height above GL

From 4.30m to 5.30m height above GL

Circular Column:

Upto 3.30m height below & above GL and from Floor Slab

From 3.30m to 4.30m height above

From 4.30 m to 5.30 m height above GL

Curved Surface:

Upto 3.30m height from Floor Slab

From 3.30m to 4.30m height from Floor Slab

From 4.30 m to 5.30 m height above GL

From 5.30 m to 6.30 m height above GL

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant ISspecification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, etc. complete.-

RTS Rods

Painting the new plastered surfaces with two coats of approved (snowcem)cement paint for all the external surface of the structure including cleaning, preparing the surface, curing etc., complete and as directed by TWAD Board Officers.

Refilling the foundation and trenches with excavated earth (other than sand) in layers of 15cm thick,watered well rammed and consolidated etc., complete complying with standard specification removing and spreading the surplus earth at the placed shown within 10m distance and as directed by the TWAD Board Officers.

Providing and fixing of cut stone (Rough dressed) set in CM 1:3 of size 0.45 x 0.45 x 0.15 M at site including cost of all materials, labour charges, curing etc., complete and as directed by TWAD Board Officers.

Providing and fixing of RCC inner access ladder in M30 Design mix concrete for one cum of concrete 400 kg of cement, 0.47 cum of sand with bulkage and wastage, 0.57 cum of HBG stone of 20 mm size, 0.28 cum of HBG stone of 10 mm size are to be used) for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post of 10cm x 15cm and step slab of 25mm x 25mm with suitable inclination etc., complete and as directed by TWAD Board officers.

Supply, delivery and fixing in position of MS ladder out side the tank of width and length 2.5 m and 45 cm made out of 50 x 50x specifications with all features such as M.S.Angles for landind and clamps for fixing the ladder with coloumn /brace for stability. The ladder should be made of 65x65x6 mm equal angles for both sides and with necessary locking arrangements systems so as to avoid any damage by miscreants. The ladder should be painted with one coat of red oxide and two coat of black paint etc., as directed by TWAD Board officers. - For Sumps

Supply and fixing in RCC M30 Design mix concrete (Approximately for one cum of concrete 400 kg of cment, 0.47 cum of sand with bulkage and wastage, 0.57 cum of HBG stone of 20 mm size, 0.28 cum of HBG stone of 10 mm size are to be used) for ventilator of dia 0.50 m with 0.05 m thick including the cost of men and materials complying with approved pattern and design including cost of cement, reinforcement centering, shuttering, strutting, curing and fixing in position on the roof slab with mosquito proof net arrangement etc., complete

Supply, delivery and fixing in position of enamel coated "water level indicator" with ball floating and all accessories of approved pattern and design, in the outer surface of the side wall of Sump to read the water level of the required height and as directed by TWAD Board Officers.

Labour charges for Painting TWAD Board Emblem in accordance with the size and specifications as approved by the Board on the Pumphouse including cost of all consumables, one coat of base paint, scaffolding charges including painting on the Pumphouse as per standard specificatons etc., complete and as directed by the TWAD Board officers.

Pipe connection work

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental works in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders.

First depth of 2.00 m

for Inlet, outlet, Bye-pass & over flow - 250 mm dia DI D/F Pipes

for scour - 100 mm dia DI D/F Pipes

Labour charges for conveying the pipes and specials within a lead of 200 m and lifting and fixing in position in vertical plane of the following height including scaffolding and jointing with necessary bolts, nuts, steel washers, rubber insertuion sheets, white lead etc. for inlet, outlet, overflow and scour arrangements for Sump including testing of pipes to the required pressure with water conveyed within 1.00 K.M. (Rate excluding the cost of materials )

Lowering the following size of DI pipes and specials into the trench and laying to proper grade and alignment as per relevant specification etc., complete and as directed by the TWAD Board officers

250 mm DI Double Flanged Pipe

100 mm DI Double Flanged Pipe

Jointing the CI/DI Double Flanged pipes and specials with rubber insertion to the required specifications with MS bolts and nuts etc., complete and as directed by the TWAD Board officers (including cost of jointing mateirlas)

250 mm DI Double Flanged Pipe

100 mm DI Double Flanged Pipe

Supply and delivery of the following sizes of Ductile Iron class PN 10 flanged Pipes of standard length conforming to IS 8329/2000 with inside lining with cement mortar of standard thickness and specifications and outside coating of metallic zinc as per IS specifications of the following sizes.The cost of pipes should include loading, freight, transit insurance, incidental charges, packing and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stocking which will be paid separately) and as directed by the TWAD Board officers.

250 mm dia DI Class PN 10 flanged Pipe 1.50 m length for overflow

250 mm dia DI Class PN 10 flanged Pipe 1.00 m length

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163- 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

250 mm dia DI D/F Sluice Valve

100 mm dia DI D/F Sluice Valve

Supply and delivery of DI D/F Pipes & specials to the site of work conforming to IS 9523 / 2000 including loading, freight, unloading, stacking at site, transit insurance charges, etc., complete and as directed by the TWAD Board officers.

ALL FLANGE

100mm - 200 mm dia

250 mm - 300 mm dia

Supply and delivery of CI pipes and specials to the site of work including loading, freight, unloading, stacking at site, transit insurance charges, etc. complete and as directed by the TWAD Board officers

Surface Box (standard)

Refilling the trenches with excavated earth (other than sand) in layers of 15 cm thick well rammed, watering consolidated, and complying with standard specifications for filling the trenches after the pipes and specials are laid, jointed and tested removing and spreading the surplus earth at the places etc., complete and as directed by the TWAD Board Officers.

for Inlet, outlet, Bye-pass & over flow - 250 mm dia DI D/F Pipes

for scour - 100 mm dia DI D/F Pipes

Construction of masonry valve pit as per TWAD Type design for Sluice/Scour Valve, fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1.5:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as per standard specification

Sluice valve in Masanory pit as per type design plan No.2 plate 1/5to 5/5 CE/ P&D/ Madras

250 mm dia DI D/F Sluice Valve Bit

100 mm dia DI D/F Sluice Valve Bit

Rain Water Harvesting Arrangements

Parapet Wall over roof slab

Brick work in Cement Mortar 1:6 (one cement and six sand) using country bricks of size 8 3/4 x 4 1/4" x 2" for Parapet Wall alround roof slab as per standard specifications and as directed by the TWAD Board Officers. Upto 4.50m above GL

Plastering with CM 1:5 (one cement and five sand) 12 mm thick for walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Plastering with CM 1:3 (one cement and three sand) 12 mm thick for walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Painting the new plastered surface with two coats of approved (snowcem) cement paint for all the external surface of the structure including cleaning, preparing the surface, curing etc., complete. The quality, shade/colour of paint shall be approved and as directed by TWAD Board officers.

Supply and fixing of Cast Iron Nahini / Floor Trap with stainless Steel Grating of 100mm x 75mm for fixing in the roof of the Sump and as directed by TWAD Board officers

Construction of Recharge / soak pit

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m including shoring, strutting and baling out water wherever necessary and all other incidental works, as directed by the departmental Officers in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil

Brick work in Cement Mortar 1:6 (one cement and six sand) using country bricks of size 8.75 x 4.25" x 2" including curing etc complete for parapet wall around roof slab as per standard specification.

Supply, delivery and filling clear river course sand for the recharge pit as per type design.

Supply, delivery and filling of 20 mm size brick bats as per type design.

Supply, delivery and filling of 40mm size brick bats as per type design.

Supply, delivery and fixing of splash pad of size 500mm x 500mm x 50mm at the overflow junction point with recharge pit.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, etc. complete. RTS Rods

Fabrication of precast slab in RCC 1:1.5:3 (one cement, one & half sand, three HBS) including cost of finishing, curing etc excluding cost of reinforcement fabrication, centering charges etc complete

Moulding charges for pre-cast slab including cost of all materials etc., complete and as directed by TWAD Board Officers

Supply and fixing of rain water pipe & specials

110mm OD PVC 4 KSC pipe

110 mm PVC bend

110 mm PVC shoe

Wooden plug, clamp and screws

Description of Work / Item(s)

Amount

Construction of Pumproom of size 12.00 x 8.00 x 3.00 M at Collection Sump site and Construction of Bathroom & Toilet with Sanitary Arrangements near Vairamangalam River Bank in Chithodu Town Panchayat in Erode District -1 No

Construction of Pumproom

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental charges in the following classification of soil and as directed by the departmental Officers in the following classification of soil.

Ist depth of 2.0m

Hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders

Soft disintegrated rock, laterite, soft rock or kankar not requiring blasting

Medium rock and dence medium rock not requiring blasting

Supplying and Filling the basement using river sand in layers of 15cm thick including watering, ramming and consolidating and stacking for premeasurement complying with relevant standard specifications and as directed by the TWAD Board Officers.

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers.

Upto 1.50 m depth below G.L.

Random rubble stone masonry in CM 1:5 (one cement and five sand) using rough stone and bond stone for foundation and basement including curing and finishing etc, complete complying with standard specification and as directed by TWAD Board Officers.

Refilling the sides of foundation with excavated earth (other than sand) in layers of 15cm thick, watered well rammed and consolidated etc. complete complying with standard specification removing and spreading the surplus earth at the places shown and as directed by the TWAD Board Officers.

Brick work in C.M.1:5 (one cement and five sand) using country bricks (22x11x7 cm) for superstructures including cost of scaffolding, curing and finishing etc. complete and as directed by TWAD Board Officers.

Upto 1.5 m Below GL & upto Basement

Above G.L up to 4.50m height (Above basement)

Above 4.50 m & up to 7.32 m height (Above basement)

R.C.C 1:1 1/2:3 (one cement, one and half sand and three hard granite broken stone) of 20mm size ISS gauge for the following works excluding cost of centering, strutting and cost of reinforcement grills in position including mixing laying of concrete, vibrating with machanical vibrators , ramming consolidating finishing curing etc complete complying with standard specification and as directed by the TWAD Board Officer.

above GL upto 4.50m height GL

For Plinth Beam, Plinth Beam Cross Wall and below Beam

above 4.50 m & upto 7.32 m height GL

Roof Slab

Plain Cement Concrete 1:2:4 (one cement, two sand and four hard granite broken stone of 20mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers. Above 4.50 m & upto 7.32 m Ht from GL

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the RCC members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm for boarding laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90cm C/C and casurina props of 10 to 13 cm dia (spaced at 75cm c/c) etc. for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978.

Plane surface

Upto 3.30m height below & above GL

3.31m to 4.30m height above GL

4.31 m to 5.30 m height above GL

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant ISspecification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges etc. complete. RTS Rods

Plastering with CM 1:5 (one cement and five sand) 20 mm thick for outside walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Plastering with CM 1:5 (one cement and five sand) 12mm thick for inside walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Special ceiling Plastering with CM 1:3 (one cement and three sand) 10mm thick for roof slab including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Flooring with Plain Cement Concrete 1:4:8 (One cement, four sand and eight hard broken granite stone of 40mm size ISS gauge) including mixing, placing the concrete in position curing etc., complete and as directed by the TWAD Board officers.

Flooring with Anti skid tiles with CM 1:3, 20 mm thick including supply of prepolished concrete anti skid step tiles, laying and jointing including cost of jointing materials as per standard specificatons etc., complete and as directed by the TWAD Board officers.

Weathering course with Concrete broken brick jelly of 20mm size in pure slacked lime (32:12.5 proportion of brick jelly to lime) for the required slope for the average depth of 8 cm, well beaten with wooden beaters, consolidating with standard specification and Finishing the top of roof (weathering course) with one course of pressed tiles of size 20 cm x 20 cm x 2 cm using CM 1:3 mixed with crude oil 10% by weight of cement painted with same oiled mortar complying with standard specification etc., complete and as directed by the TWAD Board officers

Supplying and erecting pull and push type rolling shutter Gear operated (from 8 m2 to 12 m2 area) and working arrangements including all fixtures and appliances complying with standard specification with ISI make of approved size and section using 18 GI sheet. The shutter shall be painted with one coat of red oxide primer and the rate is inclusive of hood covers, transportation charges etc., and as directed by TWAD Board Officers

Rolling Shutter - Gear operated type - 3.00m x 3.50m - 1 No

Painting the rolling shutter on both sides with ready mixed enamel paint two coats over priming coat of approved quality and colour including thorough scrapping clean removal of dirt etc. complete complying with standard specification and as directed by TWAD Board officers.

Supply and Delivery Fabrication of MS Windows & ventilator frame in MS angle of size 40mm x 40mm x 6 mm with MS flat 25mm x 25mm x 6mm and MS sheet of 18 gauge including ventilating arrangements using 20mm square MS rods with locking arrangements including two coats of approved enamel paint over coat of red oxide including cost of angles, plates, sheets, fabrication charges, cost of hold fast and transportation charges etc., complete and as directed by TWAD Board Officers

Fully panelled Double leaf - Door - D1 - 1.00 m x 2.10 m

Fully panelled Single leaf - Door - D2 - 0.90 m x 2.10 m

Fully panelled Double leaf - Window (without Ventilator) - W - 0.90 m x 1.20 m

Ventilator - V - 0.45 m x 0.60 m

White washing two coats with fine screened shell lime of good quality over the plastered surface including cost of lime, gum, brushes, scaffolding charges etc., complete with relevant standard specification and as directed by TWAD Board officers.

Painting the new plastered surface with two coats of approved (snowcem) cement paint for all the external surface of the structure including cleaning, preparing the surface, curing etc., complete. The quality, shade/colour of paint shall be approved and etc., complete as and directed by TWAD Board officers.

Finishing with Damp proof course in CM 1:3 (one cement and three sand) 20 mm thick mixed with crude oil 5% by weight of cement used over basement and as directed by the TWAD Board officers.

Labour charges for Painting TWAD Board Emblem in accordance with the size and specifications as approved by the Board on the Pumphouse including cost of all consumables, one coat of base paint, scaffolding charges including painting on the Pumphouse as per standard specificatons etc., complete and as directed by the TWAD Board officers.

For Rain water Harvesting

Construction of Recharge / soak pit

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m including shoring, strutting and baling out water wherever necessary and all other incidental works, as directed by the departmental Officers in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil

Brick work in Cement Mortar 1:6 (one cement and six sand) using country bricks of size 8.75 x 4.25" x 2" including curing etc complete for parapet wall around roof slab as per standard specification.

Supply, delivery and filling clear river course sand for the recharge pit as per type design.

Supply, delivery and filling of 20 mm size brick bats as per type design.

Supply, delivery and filling of 40mm size brick bats as per type design.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, etc. complete. RTS Rods

Fabrication of precast slab in RCC 1:1.5:3 (one cement,one&half sand, three HBS) including cost of finishing, curing etc excluding cost of reinforcement fabrication, centering charges etc complete

Moulding charges for pre-cast slab including cost of all materials etc., complete and as directed by TWAD Board Officers

Plastering with CM 1:5 (one cement and five sand) 12 mm thick for walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Supply and fixing of rain water pipe & specials

110mm OD PVC 4 KSC pipe

110 mm PVC bend

110 mm PVC shoe

Wooden plug, clamp and screws

Bathroom & Toilet

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental charges in the following classification of soil and as directed by the departmental Officers in the following classification of soil.

Ist depth of 2.0m

Hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders

Supply, delivery and filling with sand for foundation and basement as per standard specification including watering, consolidating, ramming etc., complete and as directed by TWAD BOARD Officers.

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers. (up to 1.50m below GL)

Random rubber stone masonry in CM 1:5 (One cement and five sand) using bond stone for foundation and basement including curing and finishing etc., complete complying with standard specification and as directed by TWAD Board Officers

Refilling the trenches with excavated earth (other than sand) in layers of 15cm thick,watered well rammed and consolidated etc. complete complying with standard specification removing and spreading the surplus earth at the places shown and as directed by TWAD Board Officers

Sides of Foundation & Basement

Brick work in Cement Mortar 1:5 (one cement and five sand) using country bricks of size 22x11x7 cm in size for basement and superstructures including cost of scaffolding curing and finishing etc. complete

Above Plinth level upto 4.5m ht.

RCC 1:1½:3 (One cement, One and half sand and Three hard granite broken stone of 20mm size ISS gauge) for Plinth Beam, Cross wall & roof slab 100mm thick, Lintel, loft and sunshade 80mm thick at wall face and 50mm thick at free end (excluding the cost of RTS grills for reinforcement, centering and shuttering, strutting,) but including cost of mixing, laying of concrete, vibrating with mechanical vibrators, ramming consolidating finishing, curing etc., complete complying with relevent standard specification and as directed by TWAD Board Officers.

Upto 4.50 m Above GL for Plinth beam, Cross wall Lintels, Cross wall, Loft, sunshade, Roof Slab & Canopy Slab

Centering for soffits of RCC members including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90cm C/C and casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights.

Plane surface

upto 3.30 m height below & above GL Plinth Beam, Cross wall, Lintels, Loft, sunshade, Roof Slab & Canopy Slab

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant ISspecification and supplied with test certificate (Fe.415 grade as per IS specification No.1786/1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, etc. complete. RTS rods

Finishing with Damp proof course in CM 1:3 (one cement and three sand) mixed with crude oil 5% by weight of cement used over basement and as directed by the TWAD Board officers.

Plastering in CM 1:5 (One cement and five sand) 12mm thick outside wall & inside wall alround including finishing curing etc complete as directed by the TWAD Board Officers.

Special Ceiling Plastering with CM 1:3 (one cement and three sand) 10mm thick for walls inside including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Flooring with Plain Cement Concrete 1:4:8 (One cement, four sand and eight hard broken granite stone of 40mm size ISS gauge) including mixing, placing the concrete in position curing etc., complete as per standard specificationand as directed by the TWAD Board Officers.

Flooring with Anti skid tiles with CM 1:3, 20 mm thick including supply of prepolished concrete anti skid step tiles, laying and jointing including cost of jointing materials as per standard specificatons etc., complete and as directed by the TWAD Board officers.

Dadooring walls with coloured glazed tiles in CM 1:2 10 mm tk including supply of tiles , laying, jointing materials and complying with standard specification etc., complete and as directed by the TWAD Board officers.

Weathering course with Concrete broken brick jelly of 20mm size in pure slacked lime (32:12.5 proportion of brick jelly to lime) for the required slope for the average depth of 8 cm, well beaten with wooden beaters, consolidating and finishing the top of roof (weathering course) with one course of pressed tiles of size 20 cm x 20 cm x 2 cm using CM 1:3 mixed with crude oil 10% by weight of cement painted with same oiled mortar complying with standard specificationand etc. complete and as directed by the TWAD Board officers

Supply and delivery Fabrication of MS doors, windows and Ventilators with outer frame and Shutter frame in MS angle of size 40mm x 40mm x 6mm with MS flat 25mm x 25mm x 6mm and MS sheet of 18gauge including ventalating arrangements using 20mm squre MS rods with locking arrangements including cost of angle, plates, sheets, fabrication charges, cost of hold fast and transportation charges etc., completed and as directed by TWAD Board officers

Fully Panelled Single leaf Door of Size 1.00m x 2.10 m - D1

Fully Panelled single leaf Ventilator of size - 0.45m x 0.60 m

White washing two coats with fine screened shell lime of good quality over the plastered surface including cost of lime, gum, brushes, scaffolding charges etc., complete with relevant standard specification and as directed by TWAD Board officers.

Painting the new plastered surfaces with two coats of approved (snowcem) cement paint for all the external surface of the structure including cleaning, preparing the surface, curing etc., complete and as directed by TWAD Board Officers.

Sanitary Arrangements

Laying of following sizes of G.I. Pipes and specials into proper grade and alignment including jointing but excluding cost of pipes, specials and jointing materials for pluming works for providing water supply and sanitary works in the premises of the building and as directed by TWAD Board officers

20mm dia G.I Pipe

Supply and delivery of GI pipes and specials to the site of work including loading, freight, unloading, stacking at site, transit insurance charges complete and as directed by the TWAD Board officers

20 mm dia G.I. Pipe

20 mm dia G.I. Tee

20 mm dia G.I. Elbow

15 mm dia Screw down Brass Tap

20 mm dia G.M. Gate valve

20 mm dia G.I. Union

Supply and Delivery of Oriya type Indian Water Closet 580 x 440 mm with "P" or "S" Trap with foot rest (COLOUR) and necessary fittings etc complete and as directed by the TWAD Board officers

Wash hand basin with pedestal of size 550mm x 400mm with all accessories such as cast iron brackets 32 mm dia cp waste pipe 15 mm dia GM wheel valve 15 mm dia nylon connections 15 mm brass nipples 15 CP Pillar tap etc complete and as directed by the TWAD Board officers (COLOUR WITH PEDESTAL)

Supply and delivery and fixing of HDPE tank 1000 liters capacity as per IS 12701 /1996 including loading, unloading,transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc and as directed by the TWAD Board officers

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m for pipe laying works for wash water tank to Quarters and as directed by the departmental Officers.

63 mm OD PVC 4 KSC pipe

Conveying the following size of PVC pipes and specials upto trench within a lead of 200m lowering into the trench and laying to proper grade and alignment including jointing and testing but excluding cost of pipes and jointing materials and as directed by the Board officers.

63 mm OD PVC 4 KSC pipe

Supply and delivery of PVC pipes and specials to the site of work including loading, freight, unloading, stacking at site, transit insurance charges complete and as directed by the TWAD Board officers

63 mm OD PVC 4 KSC pipe

63 mm PVC Bend 90o

63 mm PVC Saddle pieces

63 mm PVC End cap

20 mm GM Ferrule

SEPTIC TANK

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m and as directed by the departmental Officers in the following classification of soil.

Ist depth of 0m to 2m

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil

Soft disintegrated rock, laterite, soft rock or kankar not requiring blasting

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers. upto 1.50m depth below GL

Brick work in CM 1:5 (One cement, five sand) using country bricks of size 22 cm x 11 cm x 7 cm) including cost of scaffolding, curing, finishing etc., complete as directed by TWAD Board officers. upto 1.50m depth below GL

Plastering with CM 1:3 (one cement and five sand) 12 mm thick for septic tank alround inside, bottom and Baffle wall outside including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Supply, delivery of the following materials as per standard specificaiton and as directed by the Board Officers.

110 mm OD PVC 6 KSC pipe

110 mm PVC Bend 6 KSC

110 mm PVC Tee 6 KSC

0.60 m x 0.60 m FRC Manhole cover with frame

Supply, delivery and filling of 40mm size brick bats as per type design etc., complete and as directed by the TWAD Board Officers.

Supply, delivery and filling of 20 mm size brick bats as per type design etc., complete and as directed by the TWAD Board Officers.

Supply, delivery and filling clear river course sand for the recharge pit as per type design etc., complete and as directed by the TWAD Board Officers.

RCC 1:1.5:3 (One cement, One and a half sand and Three hard granite broken stone of 20mm size ISS gauge) (excluding the cost of RTS grills for reinforcement, centering and shuttering, strutting) but including cost of mixing, laying of concrete, vibrating with mechanical vibrators, ramming consolidating finishing, curing etc., complete complying with relevent standard specification and as directed by TWAD Board officers.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant ISspecification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges etc. complete and as directed by TWAD Board officers. RTS Rods

Centering for soffits of RCC members including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90cm C/C and casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights.

Description of Work / Item(s)

Amount

Supply, delivery and erection of Various Capacity of Open Well Submersible / HSC Pumpsets and accessories at Infiltration wells and Collection Sump at Head Works

Supply and delivery of Open well Submersible pump set conforming to IS 14220 /2002 and as amended thereafter and BEE 3 Star Rated capable of discharging the following duties due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze mixed type impeller, CI FG 200 grade casing and brass screws and rotor shall be of copper rod as per IS 613/1984 with ISI mark. The pump suitable for installation in sump with 1.1KV grade 3 core suitable copper flat submersible cable to a length of 15m with necessary cable joints. The non-return valve located at the top of the pump in the discharge outlet connection is to be designed with minimum friction. The pump should be directly coupled to 2880 RPM, three phase, 50 Hz (±5), 415V+6% & 415V-15% squirrel cage induction motor suitable for DOL upto 5 HP , Fully Automatic Air break Star Delta up to 20 HP and Auto Transformer starter for above 20 HP starting and for continuous operation.

OWS - 750 LPM x 16 M Head at IW 1

OWS - 750 LPM x 16 M Head at IW 2

Supply and delivery of Horizontal split casing centrifugal pump conforming to IS 1520 and as amended thereafter with CI casing and split glands, stainless steel shaft, hydraulically and dynamically balanced bronze impellers capable of discharging required quantity of water against a total head noted below due to all causes and with the accessories such as G.M air release cock, Grease cup, G.I priming funnel, M.S lifting hook, drip water G.I pipe connections, leading to the outside of pump house rubber water deflector, double flap foot valve, G.M strainer including unique tyre type coupling, common M.S fabricated base to mount pump and motor and other standard fittings etc complete. Pump shall be capable of discharging the specified quantity at the head noted at the minimum NPSH at site conditions. The shut off head shall be atleast 25% over and above the head at duty point. The pump shall be suitable for operation in AC three phase, 415 V, 50 Hz, 1500 RPM

1500 LPM x 87 M Head at Collection Sump

AC three Phase / 415 V/ Horizontal SPDP 4 Pole Squirrel cage Induction motor with VFD compability for HSC centrifugal pumps -1500 RPM

Supply and delivery of AC three Phase 4 pole Horizontal squirrel cage Induction motor confiriming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continous S1 rated, 415V +/- 10 %, 50 HZ +/- 5% supply, TEFC (upto 20 HP), SPDP (above 20 HP). The motor offered should be of energy efficient motors.

The motor should be supplied with non-reversible ratchet, sufficient size cable entry box.

Both the motor and pump should be mounted on a bed fabricated of rolled steel channel section of common base frame.

i) The pumpset should deliver not less than The required discharge. However, positive tolerance on discharge can be allowed as per relevant I.S. but no negative tolerance is allowed.

ii) The motor should not get over load at any point of operation between lowest water level and maximum water level, motor should have sufficient starting torque at 40% tapping in auto transformer starter so as to start at 40% of rated voltage against all

37 KW - 50 HP - HSC Motor for Item 2 (a)

Supply and delivery of floor mounting type weather, verming and dust proof powder coated MV cubical panel board made of 20 SWG MS sheet & MS angle iron frame work with enclosed 4 Nos. Of aluminium bus bars of electrolyte grade E 91, PVC sleeved of suitable size for phase and neutral with hinged front door and railway type lock and key arrangements. The bus bar shall be of ample current carring capacity with all internal wiring as per I.E rules and as per IS 8633and as per safety requirement of CEIG. The design of panel board should faciliate for quick operation of all switches from the front side. The panel board should be completed with all internal wiring including necessary twin copper earthing arrangement and consists of the components for controlling incoming and outgoing supply.

5 Nos. RYB &LED ON / OFF indicating lamps with control fuse / switch

Projection of 0.30 m

Ammeter -Digital 96 mmx 96mm 3 phase Ammeter Class 1 - 5A

Voltmeter -Digital 3 phase Class 1 - AC

400 Amps. 4 Pole MCCB for incoming - 1 No.

250 Amps. 3 Pole MCCB for incoming - 2 No.

100 Amps. 3 Pole MCCB for capacitor

100 Amps. 3 Pole MCCB for spar

100 Amps. 4 Pole MCCB for incoming - 2 No.

32 -100 Amps. 3 Pole MCCB for outgoing with interlocking arrangements.

Multi Function Meter LED type, CT/PT, Voltage, Current, Frequency, Kilowatt, Kilo Volt Ampere, KVAR, KVAH, Run Hours, unbalance(V,A), Rpm, Phase angles, Thd - Class 1 With RS 485 Port

Triple pole 6 A to 32 A, 10 KA MCB Legrand/ Hager/ Equivalent for lighting - 1 No.

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components etc. under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc.

37 KW - 50 HP for item 2(a)

For 6 HP - for item 1(a) & (b)

Supply, delivery and fixing of MIXED DIE ELECTRIC CAPACITOR WITH TNEB TEST CERTIFICATE WITH ACCESSORIES INCLUDING BANKING CONFORM TO IS 2834.The rate is inclusive of Banking charges, such as providing of copper bus bars with provision for adding atleast 2 capacitors at later date, cable entry box, fabricating charges etc. complete. This rate is not applicable for replacement of capacitors which does not require banking and fabrication works.

For Item 1(a)

For Item 1(b)

Supply delivery of 150 mm dia pressure gauge and vaccum gauge including all accessories as per specification (for suction and delivery to be mounted on wall on Teak Wood Board) of Submersible pumpsets with red marking G.M cock and copper impulse tube etc., to be mounted on the wall of the pump house. The maximum rating should be 1.5 times the shut off head of the pump (On delivery side 1No. each to be fixed before the valve and 1No to be erected after the common main)

Supply, delivery of L.T.cables - 3.5 Core 1.1 KV grade armoured aluminium conductor cross linked polyethelene insulated PVC sheathed cables confirming to IS 7098 (Part I)/ 1988 and as as amended thereafter part I with ISI marking lying between EB pole-Energy Meter- panel board of following sizes

3.5 core x 150 sq.mm

Laying the above cables between EB pole-Energy Meter- panel board as per IE rules - laying in trenches inside the pump room or in air

95 to 240 sq.mm - 3.5 core x 150 sq.mm

Jointing of L.T.cables - 3.5 Core 1.1 KV grade armoured aluminium conductor cable confirming to IS 1554 and as amended thereafter part I with ISI marking between EB pole-Energy Meter- panel board as per IE rules including jointing materials and labour charges etc., complete of following sizes

3.5 core x 150 sq.mm

Supply, delivery of L.T.cables - 3.5 Core 1.1 KV grade armoured aluminium conductor cross linked polyethelene insulated PVC sheathed cables confirming to IS 7098 (Part I)/ 1988 and as as amended thereafter part I with ISI marking lying between panel board to starter and to motor of following sizes

3.5 core x 95 sq.mm

Laying the above cables between panel board to starter and to motor as per IE rules - laying in trenches inside the pump room or in air

95 to 240 sq.mm - 3.5 core x 95 sq.mm

Jointing of L.T.cables - 3.5 Core 1.1 KV grade armoured aluminium conductor cable confirming to IS 1554 and as amended thereafter part I with ISI marking between panel board to starter and to motor as per IE rules including jointing materials and labour charges etc., complete of following sizes

3.5 core x 95 sq.mm

Supply and delivery of PVC insulated & sheathed 3 core flat type copper cable conformig to IS:694 / 1990 and as amended thereafter part I with ISI marking for lay from panel Board to motors in the proposed sump

10 Sq.mm Cable

Supply and delivery of the following sizes of GI pipes and Specials requied The Galvanised mild steel tubes continuously welded Electrilc Resistance Welded (ERW), High Frequency Induction Welded (HFIW), Hot Furnaced welded (HFN) types screwed in both ends, conforming to IS 554/85 for pipes threading, socketted on one end and the other end protected with plastic thread protector, in random length of 4 to 7m GI pipes conforming to IS 1239/Part-I 1990 and as amended from time to time and bearing ISI Mark. The cost of pipes should include loading, freight, transit , insurance, incidental charges, packing taxes and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stacking which will be paid separately) and as directed by the TWAD Board Officers.

32 mm GI pipe (Medium)

Laying the above cables from panel Board to motors in the proposed sump as per IE rules For Laying in trenches inside the pump room or in air / For laying below GL including earth work

10 Sq.mm Cable - For laying below GL including earth work

10 Sq.mm Cable - For laying in trenches inside the pump room or in air

Jointing of PVC insulated & sheathed 3 core flat type copper cable from panel Board to motors conformig to IS:694 / 1990 and as amended thereafter part I with ISI marking including jointing materials and labour charges etc., complete of following sizes

10 Sq.mm Cable

Providing pump house lighting and fan wiring using MS conduit pipes and specials with 2 runs 1.5 sq mm PVC insulated copper wire and 1 run 14 SWG TC wire for earthing for lights, 5 Amps plug points including switch box 5 Amps switch socket, celing rose and consumable suitable for pump house wiring.

Supply and erection of Teak Wood Box concealed type 12"x8"x3"

Supply and erection of AC Ceiling fan complete 1200mm (48”) sweep with 300mm Down rod.(without regulator) (Higher End/Crompton /equivalent)

Supplying and fixing of Stepped electronic 300W/ 450W square type fan regulator (Anchor Deluxe/ Equivalent)

Supplying and fixing of 20W 4 Feet LED fitting with LED

Supplying and Fixing 3 pin type, combined 15 Amps flush type socket and a 15 Amps SP switch surface mounting in a 4mm thick plastic sheet and fixing over a flush mounted wooden box and wiring using necessary capacity wires as required. Three way plug. Complete as directed by Engineer.

Supply and fixing LED INDOOR FITTINGS (LIGHT EMITTING DIODE) 24W LED 4000K 2 x 2 Square Type Recessed Fitting- Lower End Orbit/ Equivalent

Supply and fixing LED OUTDOOR FITTINGS (LIGHT EMITTING DIODE)30W LED Street Light Fitting- Lower End Orbit/ Equivalent

Providing the following tools mounted on Teak wood Board to be fixed on the wall and in a teak wood box

8”Chain Wrench Best India Make or equivalent -1No

Connector Screw Driver 901 Taparia Make or equivalent -1No

200mm Screw Driver 825 Taparia Make or equivalent -1No

200mm Cutting Plier Taparia Make or equivalent -1No

800gm Ball Pane Hammer with Handle Taparia Make -1No

DE Spanner set 6 to 32 Jhalani Make or equivalent -1No

Rings spanner set 6 to 32 Jhalani Make or equivalent -1No

Pipe Wrench 24” Jhalani Make or equivalent -1No

Lever Type Grease Gun

Hacksaw Frame with Blade

Supply and delivery of safety appliances as detailed

Electrical gloves tested to 11 KV /22 KV with wooden box dusted with french chalk powder

Electrical quality 6mm thick rubber mat

Wooden First Aid Box

Rechargeable Emergency lamp (600mm fluorescent lamp)

Electromagnetic Flow Meter conforming to ISO 17025 standard shall be a velocity sensing Electromagnetic type, microprocessor based signal converter, sealed housing, flanged tube meter for 1.0 Mpa working pressure, manufactured to highest standard available for mag-meters, equipped with minimum six digit digital totalizers, reading in different units (Kiloliters / Cubic meter) and shall be accurate within 0.5% of Measured value, shall operate within a range of 0.3 m/sec to 4 m/sec and be constructed as follows: Meter tube (Sensor) shall be fabricated from stainless steel tube and use class PN10 flat face carbon steel flanges in accordance with IS 1538. These flanges shall be welded to the flow tube. The internal and external of the meter tube shall be blasted to near white and lined with hard rubber/ Polyurethrene/ PTFE preferably by SBR or EPDM. Meter tube shall have a constant nominal inside diameter offering no obstruction to the flow. The accuracy should be inclusive of linearity, hysteresis, repeatability, temperature and pressure effects.

Coil Housing shall be fabricated from stainless steel (SS304)/ Die cast Aluminium/ Carbon steel with anticorriosive paint for corrosion resistance and welded to the tube providing a completely sealed environment for all coils, electrode connections and wiring harness capable of submerged or buried operation with IP68 Protection.Signal Converter shall be pulsed DC coil excitation type with auto zeroing. The signal converter shall be remotely mounted away from the meter. The converter shall indicate direction of flow and provide a flow rate indication and a total of flow volume for both forward and reverse directions. The converter shall provide an isolated 4-20 mA output into minimum 500-ohm load and a frequency output of a maximum of 0-10 KHZ and a scaled pulse output. The microprocessor based signal converter shall have a self-diagnostic test mode and a backlit display that continuously displays “Rate of Flow” and “Total Volume”. Converter shall be supplied with a programmable low flow drop out, higher flow and empty pipe zero return.

The signal converter housing should be die-cast aluminum with glass window. The converter cum transmitter should be fully programmable from the front facia. The programming should be user friendly, self-prompting menu driven. Flow meter test calibration certificate from FCRI, flow test lab / NABL accredited lab to be furnished

250 mm Electromagnetic Flow Meter

Supply and installation of TWIN CI EARTHING as per IS 3043/1987 and Latest amendments (CI Earthing System copper cable comprising of 100mm dia and 2 mtr. long earth electrode of lowcarbon steel rod with 100 micron bonding and 25 kgs. of carbon based environment friendly backfill compound and suitable clamp)

Upto 25 HP - 60 HP

Labour Charges for erection of Horizontal shaft, centrifugal pumpset (Coupled/ Monoblock) in bore well/ Open well including fixing of suction pipe and foot valve upto a maximum depth of 7 metres and delivery pipes to the required length with valves, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPIC switches starter, Voltmeter, Ammeter, Capacitor single phasing preventor and laying and jointing the cables and twin earthing as per IE rules including providing bed blocks etc., complete and operating the pumps and trial run for 10 days including signing of completion of reports as required by EB authorities.

Above 40Hp to 50HP

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.

Upto 5 HP

Pipe Connection (DI Pipes & Specials) for 1+1 HSC Pumpsets

Supply and delivery of the following sizes of Ductile Iron class PN 10 flanged Pipes of standard length conforming to IS 8329/2000 with inside lining with cement mortar of standard thickness and specifications and outside coating of metallic zinc as per IS specifications of the following sizes.The cost of pipes should include loading, freight, transit insurance, incidental charges, packing and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stocking which will be paid separately) and as directed by the TWAD Board officers.

250 mm dia DI Class PN 10 flanged Pipe 1.50 m length for suction

250 mm dia DI Class PN 10 flanged Pipe 1.00 m length for suction

200 mm dia DI Class PN 10 flanged Pipe 1.00 m length for delivery

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163- 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

200 mm dia DI D/F Sluice Valve

Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or equivalent grade and disc of ductile cast iron GGG 40 or equivalent grade with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 microns. The EPDM rubber & Epoxy Powder should be approved by W 270. (EP-P) it is a resi-coat powder approved for drinking water application, applied through fusion bonding process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538 and with 5 years warranty

200 mm dia DI D/F Swing Check Valve

Supply and delivery of DI D/F Pipes & specials to the site of work conforming to IS 9523 / 2000 including loading, freight, unloading, stacking at site, transit insurance charges, etc., complete and as directed by the TWAD Board officers.

ALL FLANGE

100mm - 200 mm dia

250 mm - 300 mm dia

Jointing the CI/DI Double Flanged pipes and specials with rubber insertion to the required specifications with MS bolts and nuts etc., complete and as directed by the TWAD Board officers (including cost of jointing mateirlas)

250 mm DI Double Flanged Pipe

200 mm DI Double Flanged Pipe

Pipe Connection (GI Pipes & Specials) for 2+2 OWS Pumpsets

Supply and delivery of the following sizes of Galvanised mild steel tubes contilnuously welded Electrilc Resistance Welded (ERW), High Frequency Induction Welded (HFIW), Hot Furnaced welded (HFN) types screwed in both ends, conforming to IS 554/85 for pipes threading, socketted on one end and the other end protected with plastic thread protector, GI pipes conforming to IS 1239/ Part-I 2004 and as amended from time to time and bearing ISI Mark. The cost of pipes should include loading, freight, transit, insurance, incidental charges, packing, transportation charges stacking at site etc., complete and as directed by the TWAD Board Officers.

150 mm dia GI pipe

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163- 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

150 mm dia DI D/F Gate Valve

Supply and Delivery of DI D/F Slanted seat Swing Check Valve. Body of ductile cast iron of Grade GGG 40 or equivalent grade and disc of ductile cast iron GGG 40 or equivalent grade with fully encapsulated EPDM rubber, where both faces can be used. Electrostatic epoxy powder/liquid coating (EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 250 microns. The EPDM rubber & Epoxy Powder should be approved by W 270. (EP-P) it is a resi-coat powder approved for drinking water application, applied through fusion bonding process by dipping the shot-blasted casted components heated up to 200 deg C). Face to face dimensions as per EN558-1, series 48 and flange connections as per EN 1092-2/IS 1538 and with 5 years warranty

150 mm dia DI D/F Swing Check Valve

Supply and delivery of following sizes of GI specials / G.M valves with ISI marking for jointing with GI Pipes including loading, freight unloading, stacking, insurance etc., complete and as directed by the TWAD Board officers.

150 mm GI Bend

150 mm GI Flange set

150 mm GI Union

150 mm GI Tee

150 MM Hex nipple

125 x 150 mm GI enlarger to connect to the pumping main

Cutting the following sizes of GI pipes true to its axis, filing and finishing the ends etc, complete and as directed by the TWAD Board officers

150 mm GI Pipes

Threading GI pipes true to axis and filing the ends complete as directed by the TWAD Bd Officers

150 mm GI Pipes

Lowering GI pipes and specials in the trenches and laying to proper grade and alignment, jointing with GI Specials and as directed by the TWAD Officers

150 mm dia GI pipe

Supplying, fixing, testing, commissioning tamper proof LT metering cubical with suitable rating CTs, bus bar, fuse cut as per TNEB specification for accomodating 1 No. Energy meter supplied by TNEB including all accessories complete as directed by the Engineer. The metering cubicle shall have a suitable size glass window for viewing the mater reading without opening the front cover etc. complete.Upto 50 HP/37KW (which includes LT meter panel board, TPN Metal clad switch with neutral link, 6 Nos. suitable fuse carriers, 100 mm GI service pipes with specials)

Supply and delivery of 5 HP Model/Rotary type Vaccum pumpsets (Pumpset + GI Pipes +Fittings +Starters+ valves+100 Lr.Tank) including Transporation, handling charges.

Supply of 2 sets of completion plans including wiring diagram and performance curves for all the pumpsets offered of which are should be duly framed and fixed inside the pumphouse. (1 Set at Free of Cost)

Supply, delivery, installation, operation and maintenance, Supply of necessary manual for pumps, motors, starters, , MCB, MCCB and obtaining power supply document expenses etc. (1 Set at Free of Cost)

Supply, delivery and erection of a wall mounted VFD control panel with suitable incomer MCCB for the following capacity Pump motor operation shall house solid state 6 pulse width modulated output variable frequency drive with harmonic filter with display and separate/remote speed control device with drive efficiency of 96 % or better at full speed & full load, displacement power factor shall be not less than 0.98 at all speed and load (VFD Make : SCHNEIDER / ABB / SIEMENS) The panel consists of calibrated watt meter, required relays, contacts, timer, interlocks, alarms, indicating lights, indicating devices, accessories which are necessary for motor operation and automatic shut down system and surge protection circuit with double set point as per IE rules etc as directed by Engineer incharge. Control panel with VFD compatible with Remote/SCADA

37 KW VFD panel

Description of Work / Item(s)

Amount

Supply, delivery, laying, Jointing & testing of 250 mm dia DI K9/ K7 Pipes for Pumping Main and 150/80 mm dia GI Gravity Mains, Construction of Pipe Carrying Bridge - 2 Nos and Construction of Thrust Block Arrangements

CIVIL WORK

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2.00 m in narrow trenches for laying of pipes for water supply works in the following type of soil strata including shoring, strutting and all the incidential charges etc., complete and as directed by TWAD Board officers

a) Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil. SS20B b) In Soft Disintegrated Rock, Laterite, soft rock or kankar, not requiring blasting. c) Dense medium rock not requiring blasting. d) Dense medium rock requiring blasting and e) Hard rock requiring blasting.

Pumping main

250 mm dia DI K7/K9 Pipes

Lowering DI pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Board Officers. For depth upto 2m

250 mm DI Pipes and Speials

Lowering GI pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Board Officers. For depth upto 2m

80mm to 100mm dia GI Pipe

125mm to 150mm dia GI Pipe

Jointing DI S/S Pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)for depth upto 2m etc., complete and as directed by TWAD Board Officers.

250 mm DI Pipe

Jointing the DI D/F pipes SS 97, 98 and specials with rubber insertion to the required specifications with MS bolts and nuts complete and as directed by the TWAD Board officers in (including cost of jointing mateirlas) for depth upto 2m etc., Complete

80mm dia C.I/D.I Double flanged Pipes and specials

150mm dia C.I/D.I Double flanged Pipes and specials

200mm dia C.I/D.I Double flanged Pipes and specials

250mm dia C.I/D.I Double flanged Pipes and specials

Jointing the CI S/S pipes and specials with neat cement or cement mortar and spunyarn including caulking the joints and curing and testing to the required pressure with water up to 2m depth etc., complete and as directed by TWAD Board Officers (including cost of jointing materials)

80mm dia CI S/S Pipes and Specials

150mm dia CI S/S Pipes and Specials

200mm dia CI S/S Pipes and Specials

250mm dia CI S/S Pipes and Specials

Cutting the following sizes of GI pipes true to its axis, filing and finishing the ends etc, complete and as directed by the TWAD Board officers

150 mm GI Pipes

80 mm GI Pipes

Threading GI pipes true to axis and filing the ends complete as directed by the TWAD Bd Officers

150 mm GI Pipes

80 mm GI Pipes

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes

250 mm DI Pipes

150 mm GI Pipes

80 mm GI Pipes

Conveyance of following DI pipes including unloading from lorries at stock yard and stocking propoerly and loading in to lorries at stock yard, transportaion charges upto 8km from stak yard and unloading from lorries at site/ along the alignment carefully as directed by TWAD Board officers.

D.I Pipes

Over 200mm upto 350mm

GI Pipes

Upto 125mm

Over 125mm upto 200mm

Refilling with excavated earth (other than sand) in respect of following sizes of pipes in layers of 15cm thick, watered well rammed and consolidated etc. complete complying with standard specification for filling the trenches after the pipes and specials are laid, jointed and tested removing and spreading the surplus earth at the placed shown and as directed by the TWAD Board Officers.

Pumping main

250 mm DI Pipes

Labour charges for jointing of Mechanical joint collar, nuts, gasket etc., and fixing in position as per standard specification and as directed by TWAD Board officers.,

Construction of masonry valve pit as per TWAD Type design for Sluice Valve, Scour Valve, Air Valve including fixing the valves including earth work excavation for foundation, P.C.C. 1:4:8 using 40mm HBG metal for levelling course, brick work in CM 1:5 for side wall, plastering with CM 1:3, 12mm thick, RCC 1:1½:3 using 20mm HBG stone jelly for cover slab, providing cut stone in CM 1:3 including supply, fabricating and placing of RTS grills for the following valves including charges for precasting and fixing surface box, valves and specials in position, refilling the sides of the pit etc., complete and as directed by TWAD Board Officers

Sluice valve in masonry pit as per Type design Plan No.2 Plate 1/5 to 5/5 CE/ P&D/Madras

250 mm Main

Scour valve in Masanory pit as per type design plan No.8 /CE/ P&D/ Madras

150mm Scour valve in 250 mm main

Air valve in Masanory pit as per type design plan No.1/91-14 /CE/ P&D/ Madras

80 mm Air Valve in 250 mm DI Main (DAV)

Water meter in mansory pit as per type design

200 mm water meter

Erection charges includes earth work excavation, labour charges, cutting and threading, conveyance, welding and hire charges for tools and plants etc., complete. For following sizes

200 mm water meter

MATERIALS

Supply and delivery of socket/ Spigot Ductile Iron Pipes of standard length conforming to IS 8329/2000 with inside lining with cement mortar of standard thickness and specifications and outside coating of metallic zinc as per IS specifications of the following sizes.The cost of pipes should include loading, freight, transit insurance, incidental charges, packing and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stocking which will be paid separately) and as directed by the TWAD Board officers.

250mm dia DI K7 S/S Pipe

250mm dia DI K9 S/S Pipe

Supply and delivery of the following sizes of Ductile Iron class PN 10 flanged Pipes of standard length conforming to IS 8329/2000 with inside lining with cement mortar of standard thickness and specifications and outside coating of metallic zinc as per IS specifications of the following sizes.The cost of pipes should include loading, freight, transit insurance, incidental charges, packing and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stocking which will be paid separately) and as directed by the TWAD Board officers.

For Along line

250mm DI D/F Class PN10 Pipes - 1 M

250mm DI D/F Class PN10 Pipes - 2.5 M

250mm DI D/F Class PN10 Pipes - 4 M

250mm DI D/F Class PN10 Pipes - 5 M

For Canal/ Culvert Crossing

250mm DI D/F Class PN10 Pipes - 1 M

250mm DI D/F Class PN10 Pipes - 4 M

For Scour Valve

150 mm DI D/F Class PN10 Pipes - 2.5 M

Supply and delivery of DI specials (such as Bends, Tees & Tapers etc., along the alignment of mains) conforming to ISI 9523/2000 specification including loading, transportation, insurance, unloading at site of work in good condition etc. complete and as directed by TWAD Board officers

All Flange - Along Main including Culvert Crossing

250 mm to 300 mm dia

All Socket- Along Main including Culvert Crossing

250 mm to 300 mm dia

All Flange - For valves

100 mm to 200 mm dia

250 mm to 300 mm dia

All Socket- For valves

250 mm to 300 mm dia

All Flange - For water meter

100 mm to 200 mm dia

Supply and delivery of Mechanical joint collar, nuts, gasket etc., as per standard specification and as directed by TWAD Board officers.,

Supply and delivery of the following sizes of GI pipes and Specials requied The Galvanised mild steel tubes continuously welded Electrilc Resistance Welded (ERW), High Frequency Induction Welded (HFIW), Hot Furnaced welded (HFN) types screwed in both ends, conforming to IS 554/85 for pipes threading, socketted on one end and the other end protected with plastic thread protector, in random length of 4 to 7m GI pipes conforming to IS 1239/Part-I 1990 and as amended from time to time and bearing ISI Mark. The cost of pipes should include loading, freight, transit , insurance, incidental charges, packing taxes and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stacking which will be paid separately) and as directed by the TWAD Board Officers.

For Gravity Main

150 mm GI pipe (Medium)

80 mm GI pipe (Medium)

For Canal / Culvert Crossing / Along Main

150 mm GI pipe (Medium)

80 mm GI pipe (Medium)

For Air Valve

50 mm GI pipe (Medium)

Supply and delivery of following sizes of GI specials / G.M valves with ISI marking for jointing with GI Pipes including loading, freight unloading, stacking, insurance etc., complete and as directed by the TWAD Board officers.

For Culvert Crossings and Gravity Main

80 mm GI Bend

150 mm GI Bend

80 mm GI Coupling

150 mm GI Coupling

80 mm GI Flange set

150 mm GI Flange set

80 mm GI Equal Tee

150 mm GI Equal Tee

150 x 80 mm GI Reduced Tee

For Sluice Valves

150 mm GI Flange set

For Air Valves

80 mm GI Equal Tee

150 mm GI Equal Tee

80 x 50 mm GI Reduced Tee

150 x 80 mm GI Reduced Tee

80 mm GM Gate Valve

Supply and delivery of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or equivalent grade, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163- 89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty

For Sluice Valves

250 mm dia DI D/F Gate Sluice Valve

150 mm dia DI D/F Gate Sluice Valve ( For Gravity main)

For Scour Valve

150 mm dia DI D/F Gate Sluice Valve (Scour Value in 250 mm DI main)

Supply and Delivery of Tamper proof DI single chamber air release valves with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and as directed by the TWAD Board officers.

Supply and delivery of multi jet model & Woltman model AMR meters with removal mechanism water meters confirming to ISO 4064 Part I, II III Class B or IS 779 & IS 2373 Standards with type test certificates for Routine Test, IP 68 Test certificates issued b y FCRI/ NABL accredited Lab. The water meter shal have magnetic or mechanical drivers of shall be versatile for installation in any position. The meters shall be hydrodynamically or hydrostatically balanced. The runner, runner chamber, points of the meter shall be as per ISO 4064 Class B specifiocation. Dry dial excavated counter housing fully protected against flooding ensuring easy reading in all climatic conditions. The meters shall be inferential, dry-dial type, Class B with inbuilt filter basket, Brass body, Inbuilt NRV & Stainer for sizes upto 40mm Brass/ Bronze Nut and Tail pieses, protective top lid, secured by a robust hinge with sealing facilities for coupling and sizes 50mm & above shall be of Woltman type complires to ISO 4064 – Class B standards with flow meter body shall be of DI/CI.

The process connections shall be of flanged ends with pressure rating up to 16 Bar. The water meters shall be of equipped with Duel pulse output with integrated Bttery – Operated Data logger with minimum battery life upto 7 years or better. The data logger shall be SIM based/ RF Based with required SIM cards will be in the scope of flow meter manufacturer. Data logging will be continuous and Data transfer to cloud shall be minimum of 1 per day. The flow meter with integral data logger shall comply to IP 68 installations.including dirtbox and erection charges

200 mm water meter

Supply and delivery of Dirt Box for following sizes

200 mm water meter

NH/ SH/ NHAI/ Railway crossing-Trenchless method

Supply and delivery of MS Encasing pipes-Spiral Longitudinal welding as per IS3589/2001 without inside lining and external epoxy coatings 406micron per meter for the following size including transportation charges, taxes etc., complete as directed by the TWAD Board officers-

MS Barrel pipe 508 mm dia - 11 mm thick

Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), upto 5m depth in all soil strata including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 20/10 operations and providing 16mm thickness MS plate of size 3.00m x 3.50m with 100mm x100mm x 12mm angles of 4m length for holding the MS plates for Thrust arrangements to receive the impacts during pushing operation of encasing pipe.

Lowering the following size of MS encasing pipe by using Contractor’s crane and machineries and jointing MS pipes by welding , across the National Highways/ State Highways/ Railways/Canal crossing etc and driving the horizontal bore by pushing / jacking method (trenchless technology method) using contractor’s machineries such as cranes, jacks, jacking materials, generator, welding machineries, compressor, jack hammer and other equipments etc. without interfering and causing any hindrance to the movement of traffic or any other vehicles, without any disturbances to the railway/road/canal formation etc. including bailing / pumping of water where ever necessary without affecting any installation like water supply pipeline/ telephone cable, electric cables etc. passing nearby area and scooping the earth inside the pipes and pit and depositing the surplus earth in a convenient place and leveling the site after completion of entire work as directed by TWAD Engineers. The rate includes the cost of driving pit, thrust bed/wall and receiving pit to the depth of om to 5m excluding the cost of MS pipes.

For 500mm dia MS encasing pipe for various thickness

Construction of Pipe Carrying Bridge

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental charges in the following classification of soil and as directed by the departmental Officers in the following classification of soil.

First depth of 0 to 2m

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil.

Soft disintegrated rock, laterite, soft rock or kankar not requireing blasting

Medium rock and dence medium rock not requireing blasting

Medium rock and dence medium rock requireing blasting

Second depth of 2 to 3m

Medium rock and dence medium rock requireing blasting

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers.

1.50 m - 4.50 m depth below GL

RCC M30 Design mix concrete (Approximately for one cum of concrete 400 kg of cment, 0.47 cum of sand with bulkage and wastage, 0.57 cum of HBG stone of 20 mm size, 0.28 cum of HBG stone of 10 mm size are to be used) for the following members (excluding the cost of RTS grills for reinforcement, centering and shuttering, strutting) but including cost of mixing, laying of concrete, vibrating with mechanical vibrators, ramming consolidating finishing, curing etc., complete complying with relevent standard specification and as directed by TWAD Board officers.

Upto 1.50 m depth below GL

Beyond 1.50m & upto 4.50m below GL

Upto 4.5m height above GL

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90mm c/c and supported by casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978 and as directed by the TWAD Board officers.

Plane Surface:

Upto 3.30m height Below & above G.L

3.30m to 4.30m height.above G.L.

Circular Column:

Upto 3.30m height below & above GL and from Floor Slab

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant ISspecification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, etc. complete.-

RTS Rods

Refilling the foundation and trenches with excavated earth (other than sand) in layers of 15cm thick,watered well rammed and consolidated etc., complete complying with standard specification removing and spreading the surplus earth at the placed shown within 10m distance and as directed by the TWAD Board Officers.

Dewatering using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.and as directed by TWAD Board Officers.

Hire charges for 5 HP Diesel Pumpset

For Hand Rails

Supply and delivery of the following sizes of GI pipes and Specials requied The Galvanised mild steel tubes continuously welded Electrilc Resistance Welded (ERW), High Frequency Induction Welded (HFIW), Hot Furnaced welded (HFN) types screwed in both ends, conforming to IS 554/85 for pipes threading, socketted on one end and the other end protected with plastic thread protector, in random length of 4 to 7m GI pipes conforming to IS 1239/Part-I 1990 and as amended from time to time and bearing ISI Mark. The cost of pipes should include loading, freight, transit , insurance, incidental charges, packing taxes and transportation charges to stock yard in good condition etc., complete (the cost excluding unloading from lorries at stock yard and stacking which will be paid separately) and as directed by the TWAD Board Officers.

150 mm GI pipe (Medium) - Vertically

80 mm GI pipe (Medium) - Horizontally

Welding of GI pipes as directed by the departmental officers for the sizes

Painting the new steel works (for hand rails) with two coats of approved first class synthetic enamel ready mixed colour paint of approved quality and shade including cost of paint brush etc., complete as directed by TWAD Board Officers (the quality and the shade of paint should be got approved by the Executive Engineer before application.)

Replacement of Under Ground Utilities:

Replacement of Underground Utilities (GI Pipe) damaged during earthwork excavations for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting, removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of GI pipes, coupler, Union, jointing materials and required specials, cutting, threading, conveying, laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers

15mm Dia GI Pipe

20mm Dia GI Pipe

25mm Dia GI Pipe

32mm Dia GI Pipe

40mm Dia GI Pipe

50mm Dia GI Pipe

65mm Dia GI Pipe

80mm Dia GI Pipe

Replacement of Underground Utilities (PVC Pipe) damaged during earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting, removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of PVC pipes, couplers, jointing materials and required specials, cutting, conveying , laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers.

20mm Dia PVC Pipe (10 KSC)

25mm Dia PVC Pipe (10 KSC)

50mm Dia PVC Pipe (10KSC)

63mm Dia PVC Pipe (10KSC)

75mm Dia PVC Pipe (10KSC)

90mm Dia PVC Pipe (10KSC)

110mm Dia PVC Pipe (10KSC)

140mm Dia PVC Pipe (10KSC)

Replacement of Underground Utilities (PVC Pipe) damaged during earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting, removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of PVC pipes, couplers, jointing materials and required specials, cutting, conveying , laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers.

50mm Dia PVC Pipe (6KSC)

63mm Dia PVC Pipe (6KSC)

75mm Dia PVC Pipe (6KSC)

90mm Dia PVC Pipe (6KSC)

110mm Dia PVC Pipe (6KSC)

140mm Dia PVC Pipe (6KSC)

Replacement of Underground Utilities (AC Pipe) damaged during Earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting , removal of slushy soil and replacing the pipeline with sound DI s/s pipe, including supply and delivery of DI s/s pipes, D/S collars, jointing materials and required specials, cutting, conveying, laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers.

150mm Dia AC Pipe

200mm Dia AC Pipe

250mm Dia AC Pipe

300mm Dia AC Pipe

350mm Dia AC Pipe

Construction of Thurst Blocks as per Annexure- I

Earthwork excavation and depositing on bank for foundation, within initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental works, and as directed by the TWAD Board Officers in the following classification of soil.

Hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil

Ist depth of 0 to 2.00 m

IInd depth of 2.00 to 3.00 m

Supplying and Filling the basement using river sand in layers of 15cm thick including watering, ramming and consolidating and stacking for premeasurement complying with relevant standard specifications etc., complete and as directed by the TWAD Board Officers.

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete and as directed by the TWAD Board Officers. Upto 1.50m below GL

Reinforced cement concrete 1:11/2:3 (one cement, One and half sand and three hard granite broken stone of 20mm size ISS gauge) for the following works. The rate is including the cost of mixing, placing, vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing, curing etc. complete but excluding the cost of steel for reinforcement, centering, strutting, shuttering etc., complete and as directed by TWAD Board Officers. Upto 1.50m below GL

Centering for soffits of RCC members or plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90mm c/c and supported by casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978 and as directed by the TWAD Board officers.

0-3.30m height

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe.415 grade as per IS specification No.1786/ 1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges etc. complete.

RTS Rods

Refilling the trenches over the Thrust block with excavated earth (other than sand) in layers of 15cm thick, watered well rammed and consolidated, complying with standard specification removing and spreading the surplus earth at the placed shown etc., complete and as directed by the TWAD Board Officers.

Chlorinator Arrangements

Supply, Delivery, erection and commissioning of Batch type electro chlorinator using common salt as raw material, consisting of electrolyzers cell made of Titnium with coating mixed metal oxide such as Anabium, Cadmium, etc, capable of producing sodium hypochlorite solution within time span of 8 hours, having adjustable metering cum dosing pump capable of dozing the prepared sodium hypochlorite solution in water supply system with sensor having auto shut down when the storage if FRP tank gets empty. The storage vessel and electrolyzer tank (hypo procesing tank)must be made of FRP tank coated inside with hypothalic -BIS standard, having capacity to store required quantity of hypochlotrite solution, water and common salt for electrolysis process respectively. The eclectro chlorinator must have power source or control module for producing necessary DC current for electrlyser process from 440v, 3 phase / single phase AC supply and must have auto cut off after batch time of 8 hours. For all power connection, copper cables should be used

15,00,001-20,00,000 litres per day

Supply and Delivery of MS specials with inside lining/epoxy coating as per IS 13260-1993 and outside coating with cement mortar 20mm thick as per IS 1916-1989 and IS 7322-1985.

Description of Work / Item(s)

Amount

Construction of Compound Walls of 30 m x 30 m size for Head works and Nallagoundan palayam Elevated Sump Site - 2 Nos

Earthwork excavation and depositing on bank for foundation, with an initial lead of 10m and initial lift of 2m including shoring, strutting and all other incidental charges, as directed by the departmental Officers in the following classification of soil.

In hard stiff clay, stiff black cotton,hard red earth, gravel, stoney earth, shales, murram and earth mixed with small sized boulders.

1st depth of 0 to 2m

For Compound Wall

Filling the basement using river sand in layers of 15cm thick including watering, ramming and consolidating and stacking for premeasurement complying with relevant standard specifications and as directed by the TWAD Board Officers.

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for levelling course of foundation including mixing, placing, ramming, finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers.

0 to 1.50 m depth below G.L.

RCC 1:1.5:3 (One cement, One & half sand, three HBG) for well curb (excluding the cost of RTS grills for reinforcement, centering and shuttering, strutting) but including cost of mixing, laying of concrete, vibrating with mechanical vibrators, ramming consolidating finishing, curing etc., complete complying with relevent standard specification and as directed by the TWAD Board Officers.

Upto 1.50 m Below GL

Brick work in C.M.1:5 (one cement and five sand) using country bricks (8.75" x 4.25" x 2.00") for Compound wall superstructures including cost of scaffolding, curing and finishing etc. complete and as directed by TWAD Board Officers.

Main walls All round - Below GL

Main walls All round - Above GL

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant IS specification and supplied with test certificate (Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges etc. complete and as directed by the TWAD Board Officers - RTS Rod

Centering for soffits of RCC Plinth beam of plane surface including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of size 90x60cm and 'BG' 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joists of size 10 x 6.5 cm spaced at about 90cm C/C and casurina props of 10 to 13 cm dia (spaced at 75cm C/C) for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978.

Plane Surface:

0 to 3.30m height - RCC Plinth beam

Plastering with CM 1:5 (one cement and five sand) 12mm thick for walls including cost of scaffolding, curing, finishing etc. complete complying with standard specification and as directed by the TWAD Board Officers.

Painting the new plastered surfaces with two coats of approved (snowcem) cement paint for all the external surface of the structure including cleaning, preparing the surface, curing etc., complete and as directed by the TWAD Board Officers using the following colour.

Supplying, fabricating and fixing of MS Grill gate in front side of two sleeves including all costs for fixing etc., complete including cost of Painting two coats with approved paint over one coat of priming coat for new iron work complying with standard specificationand as directed by TWAD Board officers.

Painting the new steel works (for Grill Gate) with two coats of approved first class synthetic enamel ready mixed colour paint of approved quality and shade including cost of paint brush etc., complete as directed by TWAD Board Officers (the quality and the shade of paint should be got approved by the Executive Engineer before application.)

ANANTH CONSTRUCTIONS

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ANANTH CONSTRUCTIONS

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ANANTH CONSTRUCTIONS