Improvement of Water Supply Distribution System to Kangeyam Municipality

Amount

Construction of OHTs (0.60 LL - 1No,1.00LL - 2Nos,1.50LL - 1No,2.00LL - 1No,2.50LL - 2Nos & 4.00LL - 1No) - 8 Nos of OHTs

Earthwork excavation

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, as directed by the departmental Officers in the following classification of soil. -ALL SOIL - FIRST DEPTH OF 2 M

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, as directed by the departmental Officers in the following classification of soil. -SOFT DISINTEGRATED ROCK - FIRST DEPTH OF 2 M

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, as directed by the departmental Officers in the following classification of soil. -SOFT DISINTEGRATED ROCK - SECOND DEPTH OF 2 M

Supplying and filling in foundation and basement with filling crushed stone sand in layers of not more than 15cm.thick well rammed watered and compacted -1Cu.m etc., complete complying with standard specification.

Cement concrete 1:4:8 mix (One cement four crushed stone sand and eight aggregate) using 40 mm ISS metal including mixing, laying, consolidating curring cost and conveyance of all materials to site and all labour charges etc., complete as per standard speicification

Upto 1.5m below GL

Providing and laying in Position, Standardised concrete mix M-30 Grade in accordance with IS :456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement concrete of 400 Kg/M3 and maximum water content ratio of 0.45, including admixture (Plasticiser / Super Plasticiser) in recommended Proportions as per IS :9103 to accelerate. retard setting of concrete, improve workability without preparing strength and durability with about (5 cu.m) 7730 Kg of 20mm machine crushed stone jelly and with about (3.30 cu.m) 5156 Kg of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 Kg of crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also laying, vibrating with mechanical vibrators, finishing curing etc., and providing fixtures like fan clamps in the RCC floor/roof slabs wherever necessary without claming etc., complete complying with standard specifications and as directed by the departmental officers. The coarse and fine aggregates to be used should be comply with the requiremnts of IS standard.(No seperate payment will be made by the department

Below G.L upto 1.50m depth

1.50m to 4.50m below GL

G.L upto 4.50m height

4.50m to 7.32m ht., from G.L

7.32m to 10.98m ht., from G.L

10.98m to 14.64m ht., from G.L

14.64 m to 18.30 m above GL

18.30 m to 21.96m ht., from G.L

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as RCC slabs rectangular beams all beams lintels etc. Centering for soffits of RCC slabs plain surface including strutting upto 3.29 meter height using mild steel of size 90 cm x 60 cm x 10 gauge with MS angles of size 25 mm x 2 mm x 3 mm laid over silver oak (CW) joists of size 10 cm x 6 cm spaced upto 90 cm c/c and supported casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specification and as directed by the departmental officer

Plane Surface

Upto 3.30m ht., below GL

Upto 3.30m ht., above GL

3.30 m - 4.30 m above GL

5.30 m - 6.30 m above GL

6.30 m - 7.30 m above GL

7.30 m - 8.30 m above GL

8.30 m - 9.30 m above GL

9.30 m - 10.30 m above GL

10.30 m - 11.30 m above GL

11.30 m - 12.30 m above GL

15.30 m - 16.30 m above GL

From 3.30m to 4.30m from floor slab

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht., using MS sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded MS angles of size 25mm x 2mm x 3mm laid over 40mm GI pipe strutting etc. complete as per standard specification

Centering for Inside Circle column

upto 3.30m ht. Below GL

upto 3.30m ht.

3.30 m to 4.30 m height

4.30 m to 5.30 m height

5.30 m to 6.30 m height

6.30 m to 7.30 m height

7.30 m to 8.30 m height

8.30 m to 9.30 m height

9.30 m to 10.30 m height

10.30 m to 11.30 m height

11.30 m to 12.30 m height

12.30 m to 13.30 m height

13.30 m to 14.30 m height

14.30 m to 15.30 m height

15.30 m to 16.30 m height

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht., using MS sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded MS angles of size 25mm x 2mm x 3mm laid over 40mm GI pipe strutting etc. complete as per standard specification

Centering for Square Column

upto 3.30m ht. Below GL

upto 3.30m ht.

3.30 m to 4.30 m height

4.30 m to 5.30 m height

5.30 m to 6.30 m height

6.30 m to 7.30 m height

7.30 m to 8.30 m height

8.30 m to 9.30 m height

9.30 m to 10.30 m height

10.30 m to 11.30 m height

11.30 m to 12.30 m height

12.30 m to 13.30 m height

13.30 m to 14.30 m height

14.30 m to 15.30 m height

15.30 m to 16.30 m height

Centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 3m ht., using MS sheet of size 90cm x 60cm and BG. 10 gauge stiffened with welded MS angles of size 25mm x 2mm x 3mm laid over 40mm GI pipe strutting etc. complete as per standard specification

Centering for Curved Surface

11.30 m to 12.30 m height

14.30 m to 15.30 m height

15.30 m to 16.30 m height

From 0m to 3.3 m from floor slab

From 3.3m to 4.3 m from floor slab

Supplying, fabricating and placing in position of RTS grills for reinforcement for various members including cost of steel for all RCC works etc., complete as per standard specifications and as directed by Engineer-in-charge.

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

Granolithic Flooring 25 mm thick with cement concrete 1:2:4 using 3 to 10 mm chips and top surface rendered smooth with cement including thread lining curing etc. Complete

Providing Cut stone set in CM 1:3 (one cement and three sand) using well dressed cut stone supporting inlet pipe of size 0.30 x 0.30 x 0.15m for service reservoir etc., complete as per standard specifications and as directed by Engineer-in-charge

Supplying and fixing in position of RCC (1:1.5:3) in side access ladder of 3.57m length using 20mm size HBS jelly including cost of all materials, centring, shuttering,strutting, fabrication and placing in position of reinforcement, finishing, curing etc. complete and as directed by TWAD Board Officers.

Construction of RCC spiral staircase in RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS of 1.80 m diameter of required height for approach to the roof of Service Reservoir with RCC Handrails including earthwork excavation, providing CC 1:4:8 mix, RCC footing 1:1.5:3 mix, GL platform etc., and also including cost of steel reinforcement, fabrication charges, scaffolding, centering, precasting charges, cement, painting etc. complete as per standard specifications and as directed by Engineer. The staircase shall be braced to the column of service reservoir at suitable interval. (in the BOQ, quantity column the exact height to be mentioned from GL to roof slab bottom to get total value of work to be done.

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for both sides and for steps at 30cm C/C welded jointed etc ., for I staging from GL to 1st level brace (weight 4.5kg/m) IInd and IIIrd staging upto floor slab and IVth staging from floor slab to roof top. Supply, delivery and fixing of 32 mm GI pipes medium for hand rails from I stage to IVth stage. RCC M30 Grade mix for Landing slab 5 nos. at Ground Level- 1No. and above Ground Level - 4Nos. Supply and fixing of 32mm GI pipe medium for hand rails for the Landing slab. Supplying and fixing of MS Base plate of 100mm X 100mm X 6mm thick for fixing Anchore fastener bolt for fixing of hand rails at Landing slab and MS Ladder providing locking arrangements with two coats of approved enamel paint over one coat of red oxide paint as per approved Type Design and as directed by TWAD board officers.

Supplying and fixing of RCC 1:1.5:3 (1 Cement : 1.5 Sand : 3 Coarse Aggregate) using 20 mm HBGS for RCC Handrails of 0.91 m height over the top of roof slab of approved pattern and design including the cost of reinforcement, centering, precasting, finishing etc complete

Supplying and fixing in position of 0.60 x 0.60m water tight CI manhole frame and cove of approved pattern at the roof slab and as directed. The manhole frame and cover should be of heavy duty and confirming to IS: 1726-1974

Supply and fixing in position of enamel water level indicator with all accessories of approved pattern and design etc., complete as per standard specifications and as directed by Engineer-in-charge

Providing and fixing of RCC Ventilator 1:1.5:3 (one cement, one and half sand and three course aggregate of 20mm size hard blue granite broken stone) for ventilators of approved pattern including cost of cement, reinforcement, centering, shuttering, strutting etc., complete - 0.30m dia

Refilling the foundation with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification and as directed by TWAD Board Officers.

Supplyong of Ductile Iron class PN - 10 flanged pipes as per IS 8329/2000

250mm dia

150mm dia

100mm dia

300mm dia

200mm dia

Supply and delivery of the following dia of DI D/F Gate sluice valves (soft seated) resilient seated soft sealing Gate Valves(Sluice Valves) with body Bonnet of Ductile cast iron ofGrade GGG 40 or equivalent grade,Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 ORing 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 4846-2000/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 withpressure rating PN 10/16.

For DI 250mm dia Valve

For DI 300mm dia Valve

For DI 150mm dia Valve

For DI 100mm dia Valve

For DI 200mm dia Valve

Supply & delivery of following DUCTILE IRON SPECIALS AS PER IS 9523/2000 for valve for OHT as per IS standards

Providing pipe connection by lifting pipes and specials in vertical direction and placing the same for required alignment including lifting the pipes and specials in various heights of inlet, outlet, overflow and scour including earthwork excavation conveying the pipe and specials into the trenches, laying to proper grade and alignment cutting, threading and jointing with jointing materials with required specification including labour charges and supply of valves pipes, specials MS Clamps to fix the pipes with the columns including all taxes duties and connected charges etc. complete and taxes duties and connected charges etc. complete and as directed by Engineer incharge.

Vertical laying up to 2m ht. from G.L.

Vertical laying from 2m to 4m.

Vertical laying from 4m to 6m

Vertical laying from 6m to 8m

Vertical laying from 8m to 10m

Vertical laying from 10m to 12

Vertical laying12m to 14m

Vertical laying14m to 16m

Vertical laying16m to 18m

Vertical laying18m to 19.5 m

Supply and delivery of following dia of GI Pipes (Medium) as per IS 1239/Part I 2004 for 0.60LL OHT

For Inlet pipe 65mm dia GI Pipe - 30.00m For Over flow pipe 65 mm dia GI Pipe - 30.00m For Washout pipe 65mm dia GI Pipe - 25.00m

For Outlet pipe 80mm dia GI Pipe

Supply and delivery of following dia of GI Specials as per IS 1239/1239/Part II

GI unequal tee (Medium) 80 mm x 65 mm

65mm dia G.I Coupling

80mm dia G.I Coupling

65mm dia G.I. Flange set

80mm dia G.I. Flange set

65mm dia G.I. Bend

80mm dia G.I. Bend

Rubber sheet for Flange of 65mm dia

Rubber sheet for Flange of 80mm dia

65mm dia G.I.Reduced Tee Plain

80mm dia G.I.Reduced Tee Plain

MS BOLTS AND NUTS 16 mm dia x 65 to 90 mm length fully threaded bolts and nuts with 2 Nos.

Supply and delivery of G.M Gate Valves as per IS BS 5154 and related IS Specifications

65mm dia gate valve

80mm dia gate valve

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

50mm to 65mm dia

80mm to 100mm dia

Construction of Brick work valve Chamber with M20 Grade concrete . The rate should include earth work excavation in various soils met with at the site of work, refilling the pit after the construction of the pit, PCC M10 for Blinding Concrete, Brick work in CM 1:5 and plastering with CM 1:5 - 12mm thick, cost of steel reinforcement fabrication charges, Cover slab with manhole cover etc., and fixing the valves in position inside the pit including laying, jointing of valves, HDPE pipes and specials including the cost of jointing materials such as bolts and nuts RI sheets washers etc., complete and as directed by the Departmental Engineer

Labour charges for painting TWAD Board Emblem in accordance with the size and specifications as approved by the Board on the Service Reservoirs including cost of all consumables etc., complete and as directed by dept officers.

Electromechanical items for Pumping Stations

Supply, delivery and installation of Vertical type water/Oil lubricated statically, dynamically, hydraulically balanced turbine pump capable of discharging the following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended as on date with accessories as per IS 5120/1977 ( Reaffirmed 2011 ) and as amended thereafter to suit the site condition. The speed, No. of stages, sizes of column pipes and line shaft indicated is based on site condition prevailing during investigation. The pump should be supplied with non reversible ratchet pin housing safety clutch, suction strainer etc. The Pump Bowl assembly shall be with bronze impeller running at 1450 rpm. The pump includes suitable head shaft, suitable 1.5 metre long SS line shaft required Nos. to suit the well depth, Rubber line shaft bearing of required Nos., C.I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigid pipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suction bell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set etc complete

1037.1 lpm against a total head of 52 m

Supply, delivery and Installation of vertical Hollow/Solid shaft Squirrel cage induction motor (IS 325 ) suitable for the above pump continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, three Phase/50 HZ (±5%), 415V (±10%) running with a speed of pump noted above and with inbuilt thrust bearing assembly capable of taking up the entire load and non - reverse ratchet assembly etc., complete. The motor rating noted above is the minimum and shall be such that it should never be over loaded when the pump works at MWL condition and shall be 10% over and above the maximum HP absorbed by the pump. The motor offered should be energy efficient to have maximum efficiency at high power factor. Separate thrust bearing assembly could also be supplied to take up the down load. - 25HP or suitable

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 along with suitable capacity motor. 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.

5836.8 lpm against a total head of 55 m

Supply, delivery and Installation 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, 415 V +/- 10 %, 50 HZ +/- 5%, TEFC (upto 20 HP), SPDP (above 20 HP). The motor offered should be of energy efficient motors. - 150HP or suitable capacity

Supply, delivery and Installation 0f 150HP or Suitable capacity of floor mounted type FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC three Phase 50Hz (+/- 5%), 415V(+/-10%) including line contactors suitable for next standard higher KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos, LED ON/OFF type and Start /Stop push button

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

45 Kvar (Rs 530X45=23850.00)

8 kVAR (Rs 530X8=4240.00)

Supplying and fixing of following capacity Triple Pole fuse carrier in MS Sheet steel encloure with provision for accommodating the TNEB meter including earthing etc., complete as per TANGEDCO which includes LT meter panel board

Supplying and fixing of following capacity Triple Pole SFU with fuses on suitable angle iron frame with earth connection only.

Capacity of M.V. Panel - 630 Amps

630 A FP MCCB 25 kA (Incomer) - 1 nos

400 A TP MCCB 10 kA - 2 nos for pumps

100 A TP MCCB 10 kA - 2 nos for pumps

32 A TP MCB 10 kA for Spare

250A TP MCB 10 kA - 2 nos for Pump cap.

63 A TP MCB 10 kA - 2 nos for Pump cap.

32 A TPN MCB 10kA (for LDB & Spare - 2nos)

Supplying and laying following LTUG cables in a trench to be excavated at a depth of 2 ½ ' putting 6” layer of sand and covering the cable with brick and sand refilling the earth to make good as directed.

DO - 3 ½ core 50 sq.mm. for PS(Incomer) (4 Runs)

DO - 3 core 120 sq.mm - Panel to Starter (PS) & Starter to Junction Box (PS)

DO - 3 core 10 sq.mm - Panel to Starter (PS) & Starter to Junction Box (PS)

DO - 4 core 4 sq.mm. for PS(Incomer)

Supplying and fixing of cable gland and termination with Aluminium cable lugs for following PVC UG cable and with earth connection

DO - 3 ½ core 50 sq.mm.

DO - 3 core 120 sq.mm

DO - 3 core 10 sq.mm

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

Up to 200 HP

Supply, delivery and erection of Three Phase 4 way 32 Amps, 10kA LDB with the following: 1 No of 40 A FP isolator for incoming supply 3 Nos. of 16A, DP RCCB 3 Nos. of 16A, SP MCB 1 No of 16A, DP MCB 3 Nos of 6A, DP MCB in sheet steel enclosure fitted with busbars and neutral links and suitable angle iron frame works with provision for earthing etc. complete.

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

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

Light points & Fan Point

Lighting Fixtures

Supply and installation of 240 V - 1 x 20 W LED TL fitting box type with enamelled reflector complete with all accessories - choke, starter, tube, etc. suitable for wall mounting or roof mounting on conduit tube.

Supplying and fixing of 18" sweep AC exhaust fan complete including providing necessary opening in the wall.

Supply and fixing of 48" sweep AC ceiling fan complete with regulator with lm down rod (stem pipe) including supplying and fixing of fan clamp with side plates and cross arms

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

Earthing as per ISI specifications with necessary masonary work.

Supply and connection of earthing conductor including two coats of approved painting and laying between earth pit and equipment.

25 x 6 mm GI Flat

Substation Work

Designing and preparation of CEIG drawings, obtaining Approval and safety certificate including submission of Completion report and rectification report.

Supply, delivery of 6 pole structure materials with suitable Size RSJ along with all structure material are as under.

For 11 KV Sub station

Construction of transformer plinth

Chain link fencing with gate including the TNEB 2 poles Spreading of materials as per CEIG requirements

Transformer yard earthing using copper flat and TWIN earthing asper IS

a Upto 250 KVATransformer sub station

Transformer sub station erection charges

Iron core Oil Cooled Transformer with Copper Winding Conforming to IS 1180 (Part 1) of 2014 Supply and delivery of 11 KV/433 Volts, 22 KV/433 Volts, three Phase 50 HZ double wound oil immersed natural air cooled, core type continous rating, outdoor distribution power transformer with copper winding for voltage ratio 22-11 KV/433 volts between phases with neutral brought out at LV side. The transfer shall be contained in a mild steel plain & radiator cooled tank, conforming to IS 1180 (Part I) of 2014 with off-load tap switch for ±10% on L.V side and ±5 % on H.V.side. The transformer shall be supplied with first filling of oil and consisting of all the fittings and accessories such as Inspection cover,Oil level indicator with minimum and filling level markings, Externally operated off circuit tap changing switch with locking device & keys, H.V. Terminals- Bushings, L.V. Terminals cable box Rating plate, Two earthing terminals, Two lifting hooks etc complete as per IS 1180 (Part I) of 2014 and as amended thereafter 11/0.414 KV - 200KVA

Specials

Supply & Delivery to site of the following types of specials such as Tees, Tapers. Bends, endcaps etc as per specification.

Supplyong of Ductile Iron class PN - 10 flanged pipes as per IS 8329/2000

200 mm D/F DI cut pipe - 1.00 m long (each pipe 1.00 m length)

200 mm D/F DI cut pipe - 2.00 m long (each pipe 2.00 m length)

350 mm D/F DI cut pipe - 1.00 m long (each pipe 1.00 m length)

350 mm D/F DI cut pipe - 1.00 m long (each pipe 2.00 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 ofGrade GGG 40 or equivalent grade,Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 ORing 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 4846-2000/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 withpressure rating PN 10/16

200mm dia DI Sluice valve

350mm dia DI Sluice valve

Supplying, delivery and installation at site, conveying and fixing the CI D/F Reflux valves as per IS 5312/Part I /84 with Bye-pass arrangements with ISI marking including loading, transportation charges and stacking etc complete as per specifications

200 mm dia CI non-return valve

350 mm dia CI non-return valve

Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) 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 with 5 yearsSupplying, delivery and installation at site, conveying and fixing the CI double air valve as per IS14845/2000 with ISI marking including loading, transportation charges and stacking etc complete as per specifications

100mm dia DI Double Air valve

Pumping main

Supplying of DI K7 Pipes of following dia , conforming to IS 8329-2000 including all local and central taxes , transportation, freight charges, loading and unloading, conveyance to site and stacking the same, cost of all labour, material & etc complete.

100 mm Dia DI K7

150 mm Dia DI K7

200 mm Dia DI K7

250 mm Dia DI K7

300 mm Dia DI K7

350 mm Dia DI K7

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 ofGrade GGG 40 or equivalent grade,Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 ORing 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 4846-2000/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 withpressure rating PN 10/16

100mm dia DI Sluice valve (9 Nos for Isolation and 6 Nos for Scour)

150mm dia DI Sluice valve

200mm dia DI Sluice valve

250mm dia DI Sluice valve

300mm dia DI Sluice valve

350mm dia DI Sluice valve

Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice, triple function (ventilating, admitting and venting during operation) 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 with 5 years

50mm dia DI air valve

Electromagnetic Flow Meter 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.

100mm dia

150mm dia

DI Flow rate Limit control Valve (PN10/16) with the function to limit the flow rate to a set point. In case the downstream demand increases beyond the set limit, the valve closes down to bring the flow back to set limit. The valve shall have an orifice plate and the orifice diameter is designed based on the set point as per the requirement and installed downstream of the control valve.“Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Flow rate Limit Control valve with cast body of ductile iron grade GGG-40 or equivalent grade or as per IS 3896-Part-2-1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of EPDM, threaded inserts (CORFIX - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent. Flange connection dimensions according to EN 1092, Part 2/ ISO 7005[DIN]/ IS 1538, all parts (Epoxy coating, and diaphragm) in contact with medium are as per KTW and DVGW certified (harmless)/WRAS & NSF approved. The EPDM rubber & Epoxy coating (EP-P) should be approved by W270. (EP-P)/ WRAS & NSF.” Pilot valve system having Stainless Steel / Brass fittings with spring of stainless steel 304 as per standard parts according to DIN EN 12 266-1, orifice plate shall be as per the set point of flow rate and all the external control tubing of SS 304 / Copper/ reinforced plastic rated PN16 Tightness to DIN EN 12 266-1, leakage rate A (or) equivalent and the needle valve/ speed control device should be provided to vary opening speed of the main diaphragm with self-cleaning filter to avoid possibility of dirt build up inside the control tubing.

100 mm diameter

150 mm diameter

Earthwork excavation

Earthwork - Excavating and storingg on bank with an initial lead of 10 m and initial lift of 2 m in trenches for laying of pipes etc. all complete as per standard specifications and as directed by the Departmental Engineer. Ordinary Soil - such as Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil etc.,

100 mm Dia DI K7

150 mm Dia DI K7

200 mm Dia DI K7

250 mm Dia DI K7

300 mm Dia DI K7

350 mm Dia DI K7

Lowering of DI pipes and specials carefully into the trench and laying to proper grade and alignment including labour charges, incidental and operational charges etc complete as per standard specifications and as directed by the Departmental Engineer.

100 mm Dia DI K7

150 mm Dia DI K7

200 mm Dia DI K7

250 mm Dia DI K7

300 mm Dia DI K7

350 mm Dia DI K7

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

100 mm Dia DI K7

150 mm Dia DI K7

200 mm Dia DI K7

250 mm Dia DI K7

300 mm Dia DI K7

350 mm Dia DI K7

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.

100 mm Dia DI K7

150 mm Dia DI K7

200 mm Dia DI K7

250 mm Dia DI K7

300 mm Dia DI K7

350 mm Dia DI K7

Refilling or backfilling trenches with excavated soil after pipe laying in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Departmental Engineer.

100 mm Dia DI K7

150 mm Dia DI K7

200 mm Dia DI K7

250 mm Dia DI K7

300 mm Dia DI K7

350 mm Dia DI K7

Construction of Thrust blocks using M20 grade Concrete using 20 mm Blue granite jelly for plain cement concrete, including necessary excavation,sand filling, M20 grade concrete and shuutering charges for all the sides and providing skin reinforcement for all sides using 12mm @200 mm c/c asperdrawing etc all complete ( The rate is inclusive of cost of reinforcement rods )

a.300mm - 90 Deg D/S Bend - 10.00 Nos b.300mm - 45 Deg D/S Bend - 15.00 Nos c.300mm - 22 1/2 Deg D/S Bend - 3.00 Nos d.350mm - 90 Deg D/S Bend - 3.00 Nos e.350mm - 22 1/2 Deg D/S Bend - 5.00 Nos f..300mm - 90 Deg D/S Bend - 8.00 Nos

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 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 dept Engineers. The rate includes the cost of driving pit, thrust bed/wall and receiving pit to the depth of 0 m to 5m excluding the cost of MS pipes.

For 300mm dia MS encasing pipe for various thickness

300 mm dia MS Encasing pipe

Distribution System

Supply & Delivery of the following dia of HDPE pipe of PE 100 grade, PN -6 class conforming to IS 4984 including all local and central taxes , transportation, freight charges, loading and unloading, conveyance to site and stacking the same, cost of all labour, material & etc complete.

HDPE Pipes of 90 mm diameter

HDPE Pipes of 110 mm diameter

HDPE Pipes of 125 mm diameter

HDPE Pipes of 140 mm diameter

HDPE Pipes of 160 mm diameter

HDPE Pipes of 180 mm diameter

Supplying of DI K7 Pipes of following dia , conforming to IS 8329-2000 including all local and central taxes , transportation, freight charges, loading and unloading, conveyance to site and stacking the same, cost of all labour, material & etc complete.

200 mm Dia DI K7 pipes

250 mm Dia DI K7 pipes

Supply & Delivery to site of the following types of specials such as Tees, Tapers. Bends, endcaps etc as per specification.

90 mm dia HDPE bends

90 mm dia HDPE Tees

110 mm dia HDPE bends

110 mm dia HDPE Tees

125 mm dia HDPE bends

125 mm dia HDPE Tees

140 mm dia HDPE bends

140 mm dia HDPE Tees

160 mm dia HDPE bends

160 mm dia HDPE Tees

180 mm dia HDPE bends

180 mm dia HDPE Tees

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 ofGrade GGG 40 or equivalent grade,Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 ORing 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 4846-2000/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 withpressure rating PN 10/16 .

80mm DI Sluice valve

150mm DI Sluice valve

200mm DI Sluice valve

DI Pressure Reducing and Flow Limit Control Valve (PN10/16) with the function to reduce higher upstream pressure into a preset lower downstream pressure and to not allow flow rate in the line to exceed beyond the defined set point. The flow orifice diameter is designed based on the set point as per the design requirement. The set point can be changed to a maximum of +10%.“Manufacture supply and delivery of DI D/F Diaphragm type own medium controlled Pressure Reducing and flow limit control valve with cast body of ductile iron grade GGG-40 or equivalent grade or as per IS 3896-Part-2-1985 customized control cylinder for linear control behaviour or equivalent, performed diaphragm and pull out safe profile sealing ring of EPDM, threaded inserts (CORFIX - to prevent the coating from coming off in the connections area as well as corrosion and incrustations in the control circuit) or equivalent. 2 pressure gauges for operator-friendly control to determine the actual inlet and outlet pressure connected directly to the valve. Flange connection dimensions according to EN 1092, Part 2/ ISO 7005[DIN]/ IS 1538, all parts (Epoxy coating, and diaphragm) in contact with medium are as per KTW and DVGW certified (harmless)/WRAS & NSF approved. The EPDM rubber & Epoxy coating (EP-P) should be approved by W270.(EP-P)/ WRAS & NSF.”Pilot valve system having Stainless Steel / Brass fittings with spring of stainless steel 304 as per standard parts according to DIN EN 12 266-1 and Stainless steel 316 orifice plate shall be as per the set point of flow rate, all the external control tubing of SS 304 / Copper/ reinforced plastic rated PN16, Tightness to DIN EN 12 266-1, leakage rate A (or) equivalent and the needle valve/ speed control device should be provided to vary opening speed of the main diaphragm with self- cleaning filter to avoid possibility of dirt build up inside the control tubing

For 80mm dia

For 100mm dia

For 150mm dia

For 200mm dia

Electromagnetic Flow Meter 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.

100 mm dia

Supply & delivery of following DUCTILE IRON SPECIALS AS PER IS 9523/2000 for valve in the distribution system as per IS standards

DI Specials for Pumping main and Distribution system such as Sluice valves,DI Pressure Sustaining / Relief Valves and Bulk Water meter & etc

Road Cutting

Labour for cutting open road for laying water mains or sewer i) B.T. Roads (or) Maccadam road

Labour for cutting open road for laying water mains or sewer ii) Concrete Roads - TWAD SoR P.No - 299

Earthwork - Excavating and storingg on bank with an initial lead of 10 m and initial lift of 2 m in trenches for laying of pipes etc. all complete as per standard specifications and as directed by the Departmental Engineer. Ordinary Soil - such as Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small boulders and hard gravelly soil etc.,

HDPE pipes from 90mm dia upto 160mm dia

HDPE Pipes of 180 mm diameter

200 mm Dia DI K7 pipes

250 mm Dia DI K7 pipes

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm diareflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by Dept officers.

Barricading work (Where the lines are in narrow width of municipality area,busy streets like Market, Bus-stand and in the Highways etc.) for laying ofpipe line using casurina poles at 1.50m center to center (8cm to 10cm dia.and 1.80m height) vertical with horizontal poles in two rows, painting thevertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including supplying, delivery and fixing of GI sheet (0.90m x 0.8mm thick) in the horizontal poles and fixing75mm dia. reflectors including earth work excavation for fixing verticalposts and finally removing and stacking the materials safely for further useetc., complete and as directed by Dept officers

Lowering the following dia of pipes and specials into trench and laying to proper grade and alignment complete as per standard specifications and as directed by the Departmental Engineer.

For 90mm to 110mm dia (OD) HDPE pipes

For 125mm dia (OD) HDPE pipe to 160mm dia (OD) pipes

For 180mm dia (OD) HDPE pipe

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the dept officers.

200 mm Dia DI K7 pipes

250 mm Dia DI K7 pipes

Jointing HDPE Pipes and Specials of the following dia of pipes by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed byTWAD Board Officers.

90 mm diameter pipes,Tees and Bends

110 mm diameter pipes,Tees and Bends

125 mm diameter pipes,Tees and Bends

140 mm diameter pipes,Tees and Bends

160 mm diameter pipes,Tees and Bends

180 mm diameter (Considered 6.0m length for 1 Nos of Joints )

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials)

200 mm Dia DI K7 pipes

250 mm Dia DI K7 pipes

Testing of D.I/HDPE pipes for water supply with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) 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.

HDPE Pipes of 90 mm and 110mm diameter

HDPE Pipes of 125 mm diameter

HDPE Pipes of 140 mm and 160mm diameter

HDPE Pipes of 180 mm and 200mm diameter of DI K7 pipes

250 mm Dia DI K7 pipes

Refilling or backfilling trenches with excavated soil after pipe laying in layers not exceeding 20 cm in depth, ramming and consolidation of each layer, watering etc. all complete as per standard specifications and as directed by the Departmental Enginee.

HDPE Pipes of 90 mm diameter

HDPE Pipes of 110 mm diameter

HDPE Pipes of 125 mm diameter

HDPE Pipes of 140 mm diameter

HDPE Pipes of 160 mm diameter

HDPE Pipes of 180 mm diameter

200 mm Dia DI K7 pipes

250 mm Dia DI K7 pipes

Road restoration

Road restoration work as per standard or contract specifications and as directed by the Departmental Engineer.

Plain Cement Concrete 1:4:8 Mix (one part cement, four part sand and Eight part of aggrigate) using 40 mm size ISS HBG metal from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing. Laying and curing etc., complete as per TNDSS NO : 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge -

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc., complete as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge .

Construction of Brick work valve Chamber with M20 Grade concrete . The rate should include earth work excavation in various soils met with at the site of work, refilling the pit after the construction of the pit, PCC M10 for Blinding Concrete, Brick work in CM 1:5 and plastering with CM 1:5 - 12mm thick, cost of steel reinforcement fabrication charges, Cover slab with manhole cover etc., and fixing the valves in position inside the pit including laying, jointing of valves, HDPE pipes and specials including the cost of jointing materials such as bolts and nuts RI sheets washers etc., complete and as directed by the Departmental Engineer-

a.Sluice valve Chamber Size 1.0m x 1.0m x 1.5m b.Pressure Sustaining / Relief Valve Chamber Size 1.0m x 1.0m x 1.5m c.Electromagnetic flow meter chamber Size 1.0m x 1.0m x 1.5m

House Service Connection

Labour for cutting open road for laying water mains or sewer.B.T. Roads (or) Maccadam roa

At HDPE Main

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply and sewerage works in the following type of soils 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 as directed by Departmental officers

At Main Pipe

HSC Connection in HDPE Mains for Water Supply Scheme , delivery of the following Electrofusion tapping saddle PE 80 blue, PN 12.5 with female threaded metal insert of SS 304 as per standards BS EN 12201 tested as per BS 6920 for drinking water in WRCNSF ltd, UK. (Non Wrap with top loading type). Sizes:63mm to 315mm dia distribution HDPE pipes. shall as detailed in a drawing furnished.

Supply, delivery of Brass Ferrule as per IS 319 grade of sizes 15mm, 20mm and 25mm size and threaded as per IS :554 BSPT, ISO:7- 1 to suit the corresponding bore sizes of 15mm dia size ( 1/2", ) in the saddle Connection as per IS :554 BSPT, ISO:7-1 (TWAD SOR 2022-2023, Pg 53, S.No.3(i))

Supply, delivery of Poly Propylene compression Male Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRCNSF LTD, UK suitable for 20mm, OD MDPE pipes (TWAD SOR 2022-2023, Pg 54, S.No.3(v))

Supply, delivery of Poly propylene 90 Degree Compression elbow with compression joint at both ends as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK suitable for 20mm OD MDPE pipes (TWAD SOR 2021-2022, Pg 53, S.No.3(iii))

Supply, delivery Poly Propylene compression Female Threaded Adaptor with metal insert of SS 304 as per standards ISO 14236 and Tested as per BS 6920 in WRC-NSF LTD, UK for connecting 20mm, 20mm and 25mm outlet points of Brass ferrule of sizes 15mm respectively.

Supply, delivery of MDPE PE 80 Blue pipe as per standards ISO 4427 and Tested as per BS 6920 in WRC-NSF LTD, UK

U PVC ball valve with one side compression end and other side female end as per ISO 4422-4 and Tested as per BS 6920 in WRCNSF LTD, UK,size : 20mm ODx1/2"ID, 25mm ODX1/2"ID and 32mm OD X 3/4" ID

Supply and delivery of protection box of size 20cm x 30cm for fixing of Water Meter. The box should be rectangular base in construction and material of construction should be weather resistant polyethylene (PE) blue /black .Reinforcement rips should be provided at the walls of the box. Box should be at two components comprising body and lid. Lid should be press fitted to the body. No hinges should be used for opened /closed. Operation meter box should be provided with built in lock. The body as inlet and outlet windows to pass the pipe through suitable for use with pipes of sizes up to 1" .Base of the box should be designed in such a way .That the box can be installed to the floor/wall using anchor Bolts / screws without grouting the entire base of the meter Box .Provision for fixing Name plate showing the name of the Department etc., complete and as directed by the Department Official

Supply and delivery of multi jet water meter with removal mechanism water merers confirming to ISO 4064 Class B or IS 779 standards with type test certificates for Routine Test, IP 68 Test certificates issued by FCRI/NABL Accredited Lab. The water meter shall have magnetic or mechanical drivers or shall ber versatile for installation in horizontal position. The meters shall be hydrodynamically or hydrostatically balanced. The runner, runner chamber, pointers of the meter shall be as per ISO 4064 Class B Specification. Dry dial excavated counter housing fully protected against floodings ensuring easy reading in all climatic conditions. The meters shall be inferntial, Dry-Dial Type, Class B with Straight reading Cyclometer with inbuild filter basket, meter body shall be of Brass body confirming to DCB2 material specification and suitable for drinking water applications

Lowering MDPE pipes and specials to the trench and laying to proper grade and alignment, jointing with couplers with cement past etc complete for the pipes size upto 40mm dia OD MDPE Pipes

Jointing MDPE Pipes and Specials by butt fusion weldiEng / electro fusion welding joints using fusion equipment as per ISO 21307- 2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per HDPErected by Department Officers.

Supply, delivery and fixing of GI pipes for encasing in open drain including handling charges. etc complete as per standard specifications and as HDPE rected by the Department Officers

Refilling with excavated soil (other than sand complying with the standard specification for filling in foundation and basement (total earth work quantity - volume of the pipe)

Add GST 18%

RPP INFRA PROJECTS LIMITED