Improvements of Existing Water supply scheme in Maraimalai Nagar Municipality

Amount

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum(PWD PG NO 309) Medium rock and dense medium rock requiring blasting

First Depth 0 to 2 m below G.L

Second Depth 2 to 3 m below G.L

Supplying and filling in foundation and basement with stone dust in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement concrete work 1:4:8 (1 cement, 4 Crushed Stone Sand (Commercially called M-Sand) and 8 blue granite broken stone jelly 40mm gauge) including consolidation curing, etc. complete for foundation, etc. upto basement

Plain Cement Concrete 1:2:4 (one cement, two Crushed Stone Sand (M- Sand) and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Providing and laying in position Standardised Concrete Mix M-20 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 contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by theDepartmental officers -

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 content of 400 kg/mᶾ and maximum water cement 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 impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by theDepartmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by theDepartment for the excess usage of materials).

From 1.5 to 4.50m Below GL

Upto 1.50 m depth below G.L.

From 0 to 4.50 m Above GL

Supplying and erecting shuttering including necessary supports for Plain surface in foundation and basement for RCC column footings,pintol blocks, plinth beam, staircase steps, critical steps, critical piers,etc.,using mild steel sheets of size 90x60cm and 10 gauge stiffened with welded mild steel angles of size25x25x3mm for boarding laid over silver Oak (country wood) joists of size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cm centre to centre etc.,complete.

Upto 3.30 m below G.L. & above G.L. - Curved surface

Upto 3.30 m - Circular column below GL & above GL ht

Upto 3.30 m Floor - plane surface

From 3.3m to 4.3m

Square Column

Supply, delivery fabrication and placing in position of RTS rods for reinforcement for binding ring, pilasters, roof slab and well curb including cost of binding wire and as directed byDepartment officers.

Supplying,fabricating and fixing of MS Grill gate in front side(3 mx 1.50) two sleeves including all costs for fixing etc.complete-490 kg

Brick work in CM 1:5 (one cement & five sand) using III class country bricks of size 8 3/4"X4 1/4" X 2 3/4" including finishing, curing, etc., complete complying with standard specification - 100CFT

Brick work in CM 1:3 (one cement & Three Crushed Stone Sand (M- Sand) using ground moulded chamber bricks of size 9"X4 3/8"X 2 3/4" standard specification including finishing, curing, etc., complete complying with standard specification - 100cft

Plastering with cement mortar (1:3) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications

Plastering with cement mortar 1:5 (One part of Cement and Five part of Plastering Sand (P- Sand)) 12mm, thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Plastering with cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 10mm thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Painting two coats with approved cement paint over one coat of primer over the cement plastered exposed wall surface and side of roof slab and complete as directed byDepartment Officers

Painting two coats with Ready Mixed Enamel Paint over the new iron works of approved quality and colour without priming coat including the cost all materials etc.,complete, in all floors.

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

Weathering course with broken Brick Jelly of 20 mm size in pure slaked lime (no sand to be used) over RCC Roof slab with proportion being 32:12 1/2 for required depth of 80mm thickness over the roof slab as required well beaten with wooden beaters for giving required slope complying with standard specification etc., complete and as directed byDepartmentBoard Officers.

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 12 mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete

Supply ,delivery and fixing of RCC inside Access ladder of size 0.10x0.15x4.14m with steps of size 0.15x0.05x0.45m at an interval of 0.3m c/c using M30 concrete and RTS reinforcement with main rod of 10mm 4 nos. for Rib and 8mm stirrups at 0.15m c/c and with main rod of 8mm 2 nos. for each step with 8mm distributer at 0.1m c/c including cost of all materials , moulding charges, all labour charges finishing curing etc.. complete as directed byDepartmentBoard officers. For storage depth of 3.00m

Supply, Delivery and fixing of Outside MS Ladder of 45cm clear wide made out of 50mmx50mmx6mm MS angle for sides and steps in 16mm plain rods fixed at 30cm c/c welded, jointed etc, and as directed byDepartmentBoard officers.

Supplying and fixing in position of 0.60 x 0.60 m size water tight C.I. Manhole frame with cover of approved pattern at the roof slab including the cost of men & materials complying with standard specification and as directed by theDepartmentboard officers.

Supplying and fixing in position of enamel coated water level indicator with ball floating arrangements on side wall of sump including the cost men & materials complying with special spacification and as directed by theDepartmentBoard Officers.

Reinforced Cement Concrete 1 : 1 1/2 : 3 mix ( one Cement one and half sand and three hard broken granite stone of 20mm size hard broken granite stone) for ventilator of dia. 0.45 m with 0.05m thick. including the cost of men & materials complying with complying with standard specification and as directed by theDepartmentBoard Officers.

Refilling the foundation with excavated earth (other than sand) including watering, ramming, consolidating etc. complete complying with standard specification and as directed by theDepartmentBoard Officers.

Providing cut stone 0.45X0.45 X 0.15 m set in CM 1:3 mix below inlet pipe including the cost of men & materials complying with standard specification and as directed by theDepartmentBoard Officers.

Supply, laying, jointing, of following DI specials as per IS:9523-2000 with DI Pipes Etc, complete as directed by the engineer and provision for pipe connection arrangements for inlet, outlet, scour, overflow etc, including cost of pipe, special, valve, labour charges for lifting, alignment, fixing of DI pipes etc. (SEPARATE SHEET) 150 CI

Sump 4.50LL

Labour charges for PaintingDepartmentBoard Emblem in accordance with the size and specifications as approved by the Board on the Service Reservoirs including cost of all consumables, one coat of base paint, scaffolding charges including painting NRDWP Logo on the Service Reservoirs.

Supply and Delivery Fabrication of MS doors and windows with outer frame and shutter 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. (

Doors - Fully Panelled Double Leaf

Windows - Fully Panelled Double Leaf

2T capacity hand operated over head Travelling (HOT) crane suitable for a span upto 6 Mtrs, and travel length upto 10 Mtrs. with clear lift upto 6 Mtrs. including gear type chain pulley block with GI chain and geared Travelling trolley complete with all accessories including girder

4 Way Vertical TPMCB sheet steel distribution boards Flush type/Surface type fitted with Bus bars and Neutral links with single / three phase MCB out goings and separate 4 way provision for accommodating on e No. 4 pole incoming MCB / solator and another separate 4 way provision for accommodating one No. 4 pole ELCB/ RCD with label holder and provisions for taking up cable for size not less than 35 sq.mm

Supplying and fixing capacitor type ceiling fan complete with down rod blades, shakle canopies etc., for operation n 230 volts, 50 cycles. Single phase AC supply, conforming to ISS-374-1979 and with double ball bearing system

Supplying and fixing of modular switches -higher end 6A 230V

20A DP 1W Switch - 2 Module

6A 1 W -1 Module with fan marking

3 pin switched socket 3 module

PUMPSETS Supply and delivery of Horizontal 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

3000 lpm x 30 m

10000 lpm x 80 m

Supply and delivery of Horizontal 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.

20 HP Motor

150 HP Motor

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.

20 HP Motor

150 HP Motor

Supply and delivery of floor mounting cubical type vermin and dust proof powder coated M.V. panel board made of 14 SWG MS sheet & MS angle iron frame work with enclosed 4 Nos of Aluminium bus bar of Electrolyte grade E.91,PVC sleeved of suitable size for phase and netural with hinged front door and railway type lock and key arrangements.The bus bar shall be of ample current carrying capacity with all interal wiring as per IE rules and as per IS 8633 and as per safty requirements of CEIG. The desgin of panel board should facilitate for quick operation of all switches from the front side. The panel board should be completed with all interal wiring including necessary twin copper earthing arrangements and consists of the componets for controlling incoming and out going supply ; rate inclusive of fabrication charges INCOMING i)250 Amps, 3 phase 4pole MCCBwith over /under voltage release and short circut release to control the incoming supply to the bus bar in the cubical board from the E.B.supply point. - (1 No Spare) ii)Multi Functions Meters - Flush type for M V Panel Board - LED type, CT/PT, Voltage, Current, Frequency, Kilowatt, Kilo Volt Ampere, KVAR , KVAH, Run Hours, unbalance(V,A), Rpm, Phase angles, Thd - Class 0.5 With RS 485 Port (SOR ) Outgoing i)200Amp 3phase MCCB ,TPN for controlling SD starter for HSC pumpset (1 no stand by) iI) 50Amp 3 phase3P MCCB to control the capacitor for HSC pumpset ( 1 NO spare) iii) 32 Amp 3Phase MCCB for controlling the lighting load of the pumproom iv) RYB & ON/OFF indicating lamps with control switch

Supply and delivery of wall mounted cubical type EB meter Box Up to 50HP/37 KW (which includes LT meter panel board, 6 Nos. suitable fuse carriers SoR 2022-23 Pg.No125

150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification (For Suction and Delivery to be mounted on wall on Teak Wood Board)

a)supply and delivery of heavy duty 1.1 KV grade 3.5 x 95sq.mm-armoured aluminium conductor XLPE insulated pvc sheathed cable as per IS 7098 (Part I) to be laid in between EB pole - Meter Box - M.V. panel

b) Laying the above cable as per IE rules inside the pumproom or in air

c)Jointing of the above L.T. cables 3.5 core 1.1 KV grade Armoured Aluminium conductor cable confirming to IS7098 Part I with ISI marking including jointing materials lugs,clamps,etc.,

a)Supply and delivery of heavy duty 11 KV grade 3.5 x50 sq.mm-armoured aluminium conductor XLPE insulated pvc sheathed cable as per IS 7098 (Part I) to be laid in between M.V. panel to ATS starter for 50HP HSC

b) Laying the above cable as per IE rules inside the pumproom

c)Jointing of the above L.T. cables 3.5 core 1.1 KV grade Armoured Aluminium conductor cable confirming to IS7098 Part I with ISI marking including jointing materials lugs,clamps,etc.,

a)Supply and delivery of heavy duty 1.1 KV grade 3 x 50sq.mm-armoured aluminium conductor XLPE insulated pvc sheathed cable as per IS 7098 (Part I) to be laid in from ATS starter to motor for 50 HP HSC pumpset

b) Laying the above cable as per IE rules inside the pumproom

c)Jointing of the above L.T. cables 3 core 1.1 KV grade Armoured Aluminium conductor cable confirming to IS1554 Part I with ISI marking including jointing materials lugs,clamps,etc.,

a)Supply and delivery of heavy duty 11 KV grade 3 x 16 sq.mm-armoured aluminium conductor XLPE insulated pvc sheathed cable as per IS 7098 (Part I) to be laid in from M.V. panel to 18 KVAR capacitor

b) Laying the above cable as per IE rules inside the pumproom

c)Jointing of the above L.T. cables 3core 1.1 KV grade Armoured Aluminium conductor cable confirming to IS1554 Part I with ISI marking including jointing materials lugs,clamps,etc.,

Supply and delivery of safety appliances as detailed below SoR 2022-23 Pg.No:131 item 18 Electrical gloves tested to 11 KV /22 KV with wooden box dusted with french chalk powder -2Nos Electrical quality 6mm thick rubber mat - 6 Nos 5 kg capacity ISI marked Dry chemical powder fire extinguisher - 2 Nno Fire Bucket-3 Nos Hooked to MS stand -1 No Laminated shock treatment chart - 2 NO Wooden First Aid Box -1 no

Providing the following tools mounted on Teak wood Board to be fixed on the wall and in a teak wood box SoR 2022-23 pg:133 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

Twin CI Earthing as per IS 3043/1987 and I.E. rules including Earth pit (2 pits) with RCC slab and other civil works complete (upto 25 HP) (SOR 22-23/ Item 19.0/ P. 127)

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 ofreports as required by EB authorities.

20 HP pumpset

150 HP pumpset

Supply and delivery of CI D/F sluice valve with cap wheel as pe IS 14846/2000 PN 1.0 with ISI marking . The rates are inclusive of transportation charges, etc.,

200 mm sluice valve - for 200mm main

250 mm sluice valve - for 250mm main

Supply and delivery of CI D/F250mm Non return valve wafer type ( dual plate check valve) to be used in pump houses confirming to IS

200mm Non return valve - for 200mm main

250 mm sluice valve - for 250mm main

Supply and delivery of following CI pipe and spls. IS 1538/1993 , IS 7181/1986 & IS 1537/1996

200mm CI D/F PIPE

200mm CI D/F SPECIALS

350mm CI D/F PIPE

350mm CI D/F SPECIALS

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to the required specification with M.S. bolts and nuts complete (including cost of jointing materials)

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed byDepartmental officers. Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.

Pumping Main 350mm DI Class k7

300mm DI Class k7

250mm DI Class k7

225mm HDPE PN10

200mm HDPE PN10

Earth work excavation and depositing on bank withinitial lead of 10m and lift of 2.00m in narrow trenches for laying of pipes for water supply and sewerage works in the following types of soil strata as directed by departmental officers In Medium rock and Dense medium rock requiring blasting.

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum Pipe Pedestal

Supplying and conveying to site, the following sizes of HDPE pipes of class PN6 (PE-100) & DI class K7 pipes confirming to IS:4984/1995, as specified in Technical Specifications in standard lengths including labour charges for loading, unloading and stacking at site and transportation charges etc., complete as per standard specifications and as directed by the Engineer in Charge

Pumping Main 400mm DI Class k7

350mm DI Class k7

300mm DI Class k7

250mm DI Class k7

200mm DI Class k7

225mm HDPE PN10

200mm HDPE PN10

Lowering HDPE pipes, DI pipes and specials to trench and laying to proper grade and alignment and as directed by theDepartment Officers

Pumping Main 400mm DI Class k7

350mm DI Class k7

300mm DI Class k7

250mm DI Class k7

200mm DI Class k7

225mm &200mmHDPE PN10

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials). (TWAD SOR 2024-2025, Pg 164)

400mm DI Class k7

350mm DI Class k7

300mm DI Class k7

250mm DI Class k7

200mm DI Class k7

Jointing HDPE, and Specials 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 byDepartment Officers

Pumping Main 225mm HDPE PN10

200mm HDPE PN10

Cutting the DI pipes true to axis and finishing the ends complete. Pumping Main

350mm DI Class k7

300mm DI Class k7

250mm DI Class k7

200mm DI Class k7

Supply , delivery and fixing of D.I. specials as per IS 9523/2000 at site etc., complete as directed by Engineer in charge. Pumping Main

350mm DI Class k7

300mm &250mmDI Class k7

200mm DI Class k7

Supply, delivery of HDPE Specials As Per IS 1736-1995 including unloading, transportation and stacking charges. Specials for HDPE pipes as per IS 8360/1977/Part 1(Reaffirmed 1992) Part II and III(Reaffirmed 2002). Reaffirmed to IS 4984-2016 conveyance to work site etc., complete as directed by the Engineer in charge

Equal tees 225mm HDPE PN10

Equal tees 200mm HDPE PN10

90 Degree Bends 225mm HDPE PN10

90 Degree Bends 200mm HDPE PN10

End Caps 225mm HDPE PN10

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 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 two rows, painting the vertical 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 fixing 75mm dia. reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed byDepartmentBoard officers.

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 dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed byDepartment officers.

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. Pumping Main

Supply and delivery of DI D/F Gate (scour) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, 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

Supply delivery to site, fixing & Commisioning of sluice valve PN 1.6 rating with Double orifice Air valves as per IS 14846/2000 specifications including loading and unloading at site, transporting charges taxes and duties etc., as directed by the engineers of the following sizes.

50mm Double Air Valve

Distribution System Refilling the trenches with excavated earth (other than sand) in layers and watering, ramming and consolidation as per standard specification etc complete and as directed by Engineer in charge.

Pipe pedestal

350mm DI Class k7

300mm DI Class k7

250mm DI Class k7

225mm HDPE PN10

Testing of pipes for water supply with hydraulic testing equipment by filling with water (includingcost 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 otherincidential and operational charges etc., complete for the following diametres of pipes.

350mm DI Class k7

300mm DI Class k7

250mm DI Class k7

200mm HDPE PN10

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification

Labour charges for cutting of B.T road for laying of mains and as directed by Engineer in charge.

Labour charges for cutting of C.C road or WBM roads for laying of mains and as directed by Engineer in charge.

Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), upto 5m depth in all soil 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 NationalHighways/StateHighways/ 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 0m to 5m excluding the cost of MS pipes. (600mm Dia Encasing for 350mm Dia Pipe)

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. 610 x 12.5 Pipe

DECCAN INDUSTRIES (BID ID -1390442)