Construction of integrated storm water drain in North Buckingham Canal Watershed of Kosasthalaiyar basin in the extended areas of Greater Chennai Corporation Package 38 Outfall PS2 and Pumping Station PS2

Amount

Bill - 1 : Construction of Storm Water Drain

Cutting and clearing heavy jungle.

Picking existing black top surface - 2 to 10cm thick including all labour charges

Earth work excavation for foundation in all kinds of soils invarying depths including dismantling any masonry or roots met within foundation and shoring with planks and baling water if necessary including clearing and levelling the site etc.,and excluding refilling, complete with an initial lead of 10m and lift of 2m (Note : Trial pit excavation quantity included)

Plain Cement concrete work 1:4:8 (1 cement, 4 river sand and 8 blue granite broken stone jelly 40mm gauge) including consolidation curing, etc. complete for foundation, etc. upto basement and including road cut restoration base layer as directed by the Project Manager or his representative.

Supplying and erecting centering for sides and soffits including supports and shuttering upto 3m high for plane surface such asside slabs of RCC boxing and similar vertical RCC slab,etc.,withall cross bracings using mild steel sheets of size 90x60cm and 10gauge stiffened with welded mild steel angles of size 25x25x3mm for boarding laid over 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 as directed by the Project Manager or his representative.

Supplying and placing of Ready Mix M20 Graded of Concrete confirming to IS 456/2000 for Reinforcement Cement Concrete Structural elements under controlled water cement ratio using 20mm and down graded machine broken granite stone jelly including transportation and pumping excluding cost of centering and shuttering and reinforcement but including curing, finishing etc as directed by the Project Manager or his representative.(Note : restoration concrete quantity included)

Supplying and fabricating RTS / TMT STEEL rods including cutting, bending hooks, cranking, fabricating, assembling and laying in exact position,typing with soft steel wire 16 gauge ,etc., complete conforming to BIS std.

Supplying and fixing of 24" FRC manhole cover with frame 600mm dia clear opening heavy duty as per IS:12592/2002. The frame & cover shall bear a non fracture load of 20MT for 30seconds with frame height of 165mm, cover height 90mm, Bearing (Seating area of cover) 75mm with Hot Dip Galvanizing Hook of cover 16mm, frame edge protection flat of size 25 x 3mm exposed surface of M.S. rings shall be painted with anti corrosive bitumastic paint as directed by the Project Manager or his representative.

Supplying and fixing of 24” FRC Gully Gratings of 600mm Dia. with 12 holes of 50MM Dia. (Cover with Frame) complete one set. The frame and cover will bear a non fracture load of 10 M.T. for 30 Seconds with frame height of 165 mm (shall confirm I.S.12592/2002), cover height 90mm, Bearing (Seating area of cover) 75mm with Hot Dip Galvanizing Hook of cover 16mm M.S. rod, frame edge protection flat of size 25 x 3mm exposed surface of M.S. rings shall be painted with anti corrosive bitumastic paint as directed by the Project Manager or his representative.

Supplying and fixing of composite Fibreglass reinforced polymer Grating of size 1000mm (Length) x 155mm (Height) x 30mm thick for vertical application. The grating should have zero filter content and should be non-painted, but self pigmented. The filter content tested as per ISO 3451, the slot opening should be 30mmx30mm with an average wall thickness of 8mm as directed by the Project Manager or his representative.

Construction of cast -in- situ Silt Catch Pit With Rain Water Harvesting Structure of inner size 600 X 600 x 600 mm including necessary earth work excavation including providing foundation in PCC 1:5:10 under walls 150mm thick and cutting the existing storm water drain of size 300 x 150mm for fixing 2 Nos of 160mm dia PVC pipe on the storm water drain mouth, with RCC cast in situ wall of size 120mm in RCC 1:1.5:3 with steel of 10.60 kg including fixing Ductile Iron grating hinged with frame Clear opening of size 600 x 600mm of class C-250 (Heavy Duty 25MT) - completing the finishing work etc., cost per each number. Using Hand Bore Set drilling of bore hole of 300mm dia upto 4.35m depth including shifting of the hand bore from one place to another place within 5 km and filling in with 40mm HBG metal with 200mmdia pvc pipe 6kg/cm2

Construction of cast -in- situ Silt Catch Pit of inner size 450 X 450 X 450 mm including necessary earth work excavation including providing foundation in PCC 1:5:10 under wall 150mm thick and cutting he existing storm water drain of size 300 x 150mm for fixing 2 Nos of 160mm dia PVC pipe on the storm water drain mouth with RCC cast in situ wall of size 120mm in RCC 1:1.5:3 with steel of 9.25 kg ncluding fixing Ductile Iron grating hinged with frame clear opening 450 x 450mm -25 MT -completing the finishing work etc.

Refilling with excavated earth in regular layers of 15cm thickeach including carefully ramming watering consolidating etc. complete for foundation and basement.

Carting away the surplus earth/debris to a lead of 12km.including Loading, unloading and dumping in the Corporation Land as directed during execution

Supplying of 160mm dia PVC pipe with ISI Monogram (working pressure 6kg/cm2)

Supplying & Jointing 20mm dia PVC pipe, including cutting threading and jointing with necessary specials fixing to wall with clamps and screws including making holes in the wall or drilling holes in roof and making good the wall or roof after fixing with necessary scaffolding etc. complete..

Providing Iron Barricading of size 2m width and 1 m height with 40mm dia MS Tubular pipe for vertical supports on both sides and three lines of barricading with 25mm size MS tubular pipe and 2 x 1m M.S. Sheet with name board of size 0.60 x 0.45 m size M.S.sheet (20 gauge) including Cutting, Welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality with fixing of indication with reflecting stickers and necessary interlocking arrangements with adjoining units and placing the barricading units as directed at the site for a period of 28 days. The M.S. Sheet barricading is a temproray barricading and can be removed and reused after the completion of work in a particular stretch.

Hire charges for Dewatering - Diesel Pumpset above 3HP to 7.5 HP with fuel and crew charges including transportation

Towards the hire charges for providing temporary approach platforms to the residences near execution site including the cost of fabrication,placing properly across the drains ,removing the same after the work is complete etc as directed by Engineer in charge. The approach platform will be made of 2.40mx1.20m - 6mm MS sheet fabricated with 75mmx40mm MS Channel-2.0m at bottom on all sides of sheets length wise and 50mmx6mm MS flats of 0.70m length at 500 mm centre to centre in tranverse direction including fixing MS flat drilled on corners of channel suitable for joining the next sheet with bolts and nuts including cost of materials,fabrication charges etc complete

Dismantling RCC Slab(reinforcement is being corroded) from Strom Water Drain - Steel is declared unfit for reuse

Dismantling the existing brick or stone masonry work in cement mortar under 3m high including carefully clearing the debris etc.,complete.

Desilting of Storm Water Drain

Providing as Built Drawing in Auto Cad format and GIS format

Supply and laying of RCC NP4 pipes 900 mm dia

Brick work in second class bricks (9"x4 3/8" x 2 3/4") in C.M.1:4 ( 1 cement and 4 M-sand) including curing,etc.,complete for 23cm thick walls upto basement (upto 1m high above G.L.).

Plastering with cement mortar 1:4 (1 cement and 4 p-sand)12mm thick including curing, etc., complete.

Topographic survey of 10% of length for verification and confirmation of levels and alignment using total station survey

Extra lift for earth work excavation for every additional 1m or part there

Supplying and placing of Ready Mix M15 graded of concrete confirming to IS-456/2000 for reinforcement Cement Concrete structural elements under controlled water cement ratio using 20mm and downgraded machin broken granite stone jelly including transportation pumping and vibration charges excluding cost of centering and shuttering and reinforcement including curing, finishing etc., as directed by the Project Manager or his representative.

Supplying and placing of Ready Mix M30 Graded of Concrete confirming to IS 456/2000 for Reinforcement Cement Concrete Structural elements under controlled water cement ratio using 20mm and down graded machine broken granite stone jelly with SRC (Sulphate resisting cement) including transportation Vibration charges and pumping excluding cost of centering and shuttering and reinforcement but including curing, finishing etc as directed by the Project Manager or his representative.

Brick work in CM 1:5 (One cement & five M.Sand)using ground moulded chamber bricks of size 9"x4 3/8"x2 3/4" standard specification including finishing, curing etc., complete complying with standard specification-10cum and as directed by the Project Manager or his representative.

Plastering with cement mortar 1:5 ( 1 cement and 5 p- sand)12mm thick including curing, etc., complete. for walls inside complying with standard specification and as directed by the Project Manager or his representative.

Plastering with cement mortar 1:5(1 cement and 5 m P.sand),20mm thick including curing, etc., omplete.

Granolithic flooring 50mm thick with cement concrete 1:2:4 (1cement,2 m sand and 4 blue granite broken stone jelly 3 to10mm gauge) and top rendered smooth with cement at 10kg per10sq.m. including thread lining,curing,providing 25mm dia G.I.pipe of necessary length for water outlet,etc., complete asdirected during execution.

Painting top of roofs with (residual type petroleum bitumen of penetration 80/100) bitumen of approved quality at 17kg per 10sqm impregnated with a coat of coarse sand at 60 cudm per 10sqm including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete

Weathering course with concrete broken brick jelly 20mm size in pure slaked lime (no sand to be used ) RCC roofing slab the proportion of broken brick jelly to lime being 32:12.5 well beaten with wodeen beaters giving required slops and the thickness etc.,

Terrace flooring with one course of pressed tiles (with relevent ISI STD) 23cmx23cmx20mm using C.M. 1:3 etc. (one part of cement and three parts of crushed stone sand) (The crushed stone sand to be used in base mortar shall conform to gradation as per IS 1542-1977) standard specification and as directed by the Project Manager or his representative.

Fabrication, supply, delivery and fixing of outside M.S Ladder of 45cm clear wide made out of 50mmx50mmx6mm M.S angle for sides and steps in 16mm MS plain rods fixed at 30cm c/c welded jointed etc., providing with suitable side supports, clamps and locking arrangements provided with two coats of approved enamel paint over one coat of red oxide paint, for providing access to floor top of Pump room of suitable inclined length, including bottom anchorage and transportation and as directed by the Engineer. The rate includes concrete bed block in CC 1:2:4 using 20mm HBGS at top and bottom of suitable size with necessry anchor bolts.

Supply, delivery and fabrication of MS doors and windows 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 18 guage 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.

Fully panelled Double leaf - Door in size of 1.50 X 2.10m ( without ventilator)

Fully panelled Double leaf - Widow in size of 1.20 X 1.50m ( without ventilator)

Ventilator in size of 1.20 X 0.45m

Painting the Doors, Windows & Ventilators on both sides with readymixed 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 including cost of paint and brushes, labour charges etc., and as directed by Site Engineers. The colour and quality has to be approved by the Project Manager or his representative.

Supplying and erecting pull and push type rolling shutter with I.S.I make of approved size and section using 18 G.I sheet. The shutter shall be painted with one coat of red oxide primer and the rate is inclusive of Hood covers, transportation charges etc(Manually operated type up to 8 sq.m. area)

White washing two coats for walls inside and outside with good quality of white cement complying with standard specification and as directed by the Project Manager or his representative.

Colour washing one coat with supercem or snowcem or any other approved cement based colour washing over new plastered walls by brush with silvery grey or any other pproved colour as may be directed during execution. The surface must be free from dust, oil,etc., Loose meterials and dust must be removed by brushing and washing before applying the cement based colour wash the surface shall be saturated with clean water. The mixed cement based colour wash shall pass through a fine wiremesh sieve before applying by brush, curing, etc., complete as directed during execution.(ISI STD)

Providing and applying two coats of approved quality oil bound distemper over one coat of primer on interior surfaces wherever specified

Supply and fixing of Square Heavy duty FRC Manhole Covers with frame over all dimension 730mm X 730mm and 560mm X 560mm clear inner dinmension with corrosion & abrasion resistance as per type HD-20, IS 12592, Part 1&2 including fixing charge etc,. Complete as per standard specification.

Supplying, Fabricating and fixing of chequered plate using Steel 12mm thick flat, 75mm width at 125mm c/c including welding, fixing accessories, labour charges etc., complete as per specification. in size 4m dia.

Providing orange colour safety foot rest of minimum 6mm thick plastic encapsulated as per IS: 10910 on 12 mm dia steel bar conforming to IS: 1786 having min. cross sectional area 23mm x 25mm and overall min. length 263 mm and width as 165mm with min. 112 mm space between protruded legs having 2mm tread on top surface by ribbing or check ring besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to withstand the bendtest and chemical resistance test as per specifications and having manufacturers permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand :6 graded stone aggregate 20mm nominal size) complete as per design.

Supplying and fixing P.V.C. pipe 110mm dia rain water down fallpipe as per ISI standard (I.S.4985)including P.V.C.Bends without door arrangements, shoes, gratings with F.I.Clamps 40mmx20mm of suitable size fixed to wooden plugs embedded in walls in cementmortar 1:3 (1 cement and 3 m sand including cutting holes inwalls and making good the same after fixing the plugs, etc. complete as directed during execution. complete and as directed by the Project Manager or his representative.

5T capacity hand operated over head Travelling (HOT) crane suitable for a span upto 10 Mtrs, and travel length upto 10 M with clear lift upto 6 M including gear type chain pulley block and geared Travelling trolley complete with all accessories including Vertical ISMB 250 and Horizontal ISMB 350.

Supply and Erection of 630 KVA, 11 KV / 433 V Outdoor Oil Cooled Transformer with off Circuit (As per IS 1180-Level 2) with copper winding arranged for DY 11 connection with with neutral brought out LV Side.The Transformer should be confirming to IS: 2026 with off load tap Switch for +5% and -10% in steps of 2.5% on HV Side.The Transformer Shall be Supplied with first filling of oil as per Is:335 consisting of fittings and accessories confirming to I.S shall be provided.

Supply and Erection of six Pole Structure Suitable for 11KV Line 175 x 85 mm RSJ having lenth of 9.145 mts and cross channel size 100 x 50 mm with suitable angles etc, strain Disc insulators to receive incoming 11KV supply incoming E.B supply. A.B Switches with Operating arrangements , Horn Gap fuse, lighting arrestors, Support insulators with necessary copper pipe busbars jumbering to the A.B Switches, H.G insulators etc, with '0' SWG copper wire.

Construction of Transformer Plinth

Chain link fencing with Gate including TNEB 2 Poles

Transformer sub station erection charges

Transformer Yard earthing

The M.V in water proof enclosures control panel shall be of floor mounting or wall mounting type, vermin and dust proof, modular type consisting of the following accessories and controls. The control panel shall be of enclosed type and built with compartmentalised modular type cubical. All cubicals shall be constructed from 14 SWG, MS sheet at the bottom and rear and 12 SWG MS sheet at front. The panel Board shall have removable rear cover hinged front door fitted with knobs. Ther interior and exterior of the panels and compartment shall be treated with one coat of primer and two coats of stove enamelled light grey shades. The SB is to be supplied with 4Nos of aluminium bus-bars with ample carrying capacity, properly sleeved with colour code.Provision for Automatic running of Pumpset with suitable sensors located as desired so that the pump will operate when sewage level crosses MWL and switch off the Pumpset when sewage level crosses LWL.

1250A Four Pole MCCB for Transformer

800A TPN ACB for DG Set.

Set of indicating lamps 1no.

250A TPN MCCB to control supply to the motors

100A MCCB for capacitor bank

32A MCCB as spare - 1no

Supply and delivery of suitable 30 KVAR electrolytic type capacitor bank with the contactor

Supply and delivery of floor mounted type FCMA Air/ Oil Cooled soft starter suitable for the LT motor offered for operation in AC 3 Phase 50Hz (+/- 5%), 415V(+/-10%) including line contactors suitable for 7.5 KW rating, Over load relay, instrument panel with frequency meter, Ammeter, Voltmeter, indicating lamp 6Nos and On/Off push button.

Supply and delivery of direct online starter confirming to IS13947 and IEC 947 suitable for 7.5 KW rating for operation in AC/3Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor(the cost of capacitor is to be taken separately).

Supply, delivery and laying of 3 core 95 Sqmm HT-11KV aluminium cable PVC insulated PVC Sheathed armourd cable as per standard specification IS 3961/6 from EB supply point to Transformer primary side.

Supply, delivery and laying of following sizes LT cables as per standard specification. (IS 3961/6)

3R x 3.5 core 400 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from Transformer secondary to main distribution board and DG Set.

3 core 185 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from MDB to Pumps through Control panel.

3 core 50 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from MDB to capacitor.

3 core 10 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable from Strater to dewatering Pump

4 core 6 sqmm aluminium cable PVC insulated PVC Sheathed armourd cable for out door lighting.

Laying and jointing of HT 11KV cable -XLPE insulated armoured aluminium Conductor cables

Laying of Cables following sizes

up to 95 sq. mm

95 to 240 sq.mm

240 to 400 sq.mm

Cable glands of following sizes

up to 95 sq. mm

95 to 240 sq.mm

240 to 400 sq.mm

Supply and Erection of Earth electrode asper IS 3043 & specification for Panel boards and motors, etc. 40 mm dia 3 mm thickness 2.4 mtr long GI Pipe Earthing with funel,mesh,Clamps and acessories, masonary work etc.

Supply, errection, testing and Commissioning at site 500KVA capacity at 0.8 lagging power factor, 3 phase 4 wire, 415 volts, 50 cycles/sec, DG Set complete with standard accessories coupled to alternator of suitable capacity mounted on channel iron base frame, fuel tank. 2*12V dry lead acid batteries, Battery charger, Std panel, Residential silencer and Acoustic Enclosure with AMF Panel.

Wiring with 2x1.5sqmm (22 / 0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with MS accessories with MS switch Box and 5A F.T. switch with painting of suitable colour continuous earth wire connection of 14 SWG TC wire for light point / Fan point (For Electronic Regulator etc., completed as per standard specifications

Supply and fixing of single box type 4'40 W fluorescent light fitting complete with copper choke and condensor with TW round blocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting etc., completed as per standard specifications

Wiring with 2x4sqmm (56/0.3mm) PVC insulated SC unsheathed Cu. Cable conductor cable of 1100V grade in suitable heavy gauge M.S.conduit pipe on wall and ceiling with M.S.accessories with 150mm x 100mm x 75mm MS switch box for 15A 3 pin non interlocking CS plug with painting of suitable colour,with continuous earthwire connection by 14 SWG TC wire for open power plug point etc., completed as per standard specifications

Supply and erection of 6m height GI Steel tubuler pole for street light with single bracket pole and bone plate (250 X 250 X 6mm) 76.10 OD x 3.65mm thick x 6m length.

Supplying and fixing of 48W LED street light fittings including cost of ISI make fittings with all accessaries and labour chargs etc., complete as per standards specification.

Supply and fixing of 1200 mm sweep energy efficiency ceiling fan complete with electronic regulator, down rod, fixing hooks and etc.

Provision of Safety Equipments as per IS with latest ameded including cost of conveyance stocking charges etc., complete as per standard specification and directed by the Engineer in Charge.

Fire bucket 3 nos, hooked to MS stand.

Rubber mat 6 mm thick of 1.1 KV grade of size 2m x 1m

Fire extinguishers 5 kg chemical powder type

Caution Board

First aid box Metallic

Shock Treatment Chart

Hand Gloves

Rechargeable Emergency lamp

Supply and provision of TNEB HT supply using LTCT metering box asper IE rules and TANGEDCO norms Suitable fuse cariyer unit fitted on teak wood board

Shoring and Strutting arrangements 2.50m to 4.25m height

Shoring and Strutting arrangements 4.25m to 7m height

Randam rubble masonry work in cement mortar 1:4 including fixing of bond stone wherever necessary including curing, etc., complete.

Supplying and fixing M.S.Grill gate of required size in two shutters with necessary iron members, gun metal cups and wheels 75mm dia. with fittings locking arrangements, etc., complete, including painting a priming coat of approved primer,etc., complete (The design of gate furnished is subject to alteration during execution.)

MECHANICAL WORKS

Supply and delivery of Vertical water 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 ) 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

45200 LPM. capacity @ 10 mts of total head for each Pump (Parallel working)

Supply and delivery of vertical Solid shaft Squirrel cage induction motor (IS 325 / IS 12615) suitable to run the pumps in Item No.75 continuous rated TEFC/SPDP type with Class 'F' insulation for operation in AC, 3 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 efficiency motors to have maximum efficiency at high power factor. Separate thrust bearing assembly could also be supplied to take up the down load.

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump , wear resistance with submersible motor for the various duty conditions as stated in the annexure. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump shall be of robust construction . Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type , single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps to have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 960 for high duty pumps and 960/1450 rpm for low duty pumpsets .

Casing and impeller should be of CI Gr. FG 260 :IS210 more preferably with hardened impeller. Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3 ph , 415 V( + or – 10 % ) , 50 Hz ( + or - 5 % ) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances. The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120 % of rated speed for two minutes without any mechanical damage , in either direction of rotation.

The motor vibration shall be within the limit specified in applicable standards . Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta / ATS starter, protection against increase in stator winding temperature (15 deg Celsius) , bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed , copper , flexible ,round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated , PVC sheathed , flexible for stator winding temperature sensor 3 core x 1.5 sq.mm copper conductor and for bimetallic switches 2 core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10 mts of round submersible copper cable of suitable size.

20 cum/ hr. capacity @ 10 mts of total head

Supply , Delivery and fixing of 600mm dia. DI D/F Butterfly Valves with GGG400/12 or equivalent grade as per IS 3896 (part 2) 1985 and subsequent revisions double ecentrically disc with renevable soft seal on the disc and body seat face of stainless steel / nickel weld overlay microfinished with powder or liquid epoxy coating with minimum thickness of 250 microns applied on both body and disc inside and outside face to face dimensions as per AWWA C 504 or BS 5155 or IS 13095 - PN16

Supply and Delivery of 100mm dia. DI D/F Gate Vaves (Soft seated) resilient seated soft sealing gatte 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 vaccum tight and 100% leak proof with face to face dimensions as per EPR BS 5163-89/ISI 14846-2000/DIN 3202 F 4. All the valves should be with electrostatic powder coating both inside and outside with pocketless straight through body passage. All the valves are to be compatible for burried application with pressur rating PN 10/16

Manufacture, supply and delivery of 600mm dia DI D/F Slanted seat Tilting Disc Swing Check Valve in single piece body and closed eye disc construction. Hemisherical disc with 59 degree inclination for fast open and closing. Corrosion proof and wear resistent(triple offset) disc face & body seat face, both made of fusion bonded Nickel Chromium weld overlay and microfinished. Body and disc of ductile cast iron GGG-40, medium free(dry) shafts of stainless steel and bearings of Zincfree Bronze, Valve should have provision for internal damping unit for reducing the effects of water hammer/surge, if required at later stage. Electrostatic epoxy powder/liquid coating(EP-P) inside and outside color blue RAL 5005 with minimum coating thickness of 150 microns. The EPDM rubber & Epoxy Powder should be approved by W 270.(EP-P it isa resi-coat powder approved for drinking water application, applied through fusion bonding technology process by dipping the shot-blasted casted components heated upto 200deg C). Face to face dimensions as per EN 558-1 series 14 and flange connections as per EN 1092-2/I - PN16

Supply of following size and length of all flanged Ductile iron PN10 Pipes as per IS 8329/2000 with latest amendments including lead and lift including cost of labour, cost of all materials including taxes, duties, etc., transporting, HOM of machineries complete as per Standard specifications and as directed by the Project Manager or his representative and approved drawings.

600mm D/F PN10 Pipe

100mm D/F PN10 Pipe

200mm D/F PN10 Pipe

Supply of following size and length of all flanged Ductile iron Specials as per IS 9523/2000 with latest amendments including lead and lift including cost of labour, cost of all materials including taxes,duties, etc., transporting, HOM of machineries complete as per Standard specifications and as directed by the Project Manager or his representative and approved drawings.

Fixing DI specials of mechanical jointing of different sizes after setting into the pipe line system including cleaning & introducing rubber gasket to proper alingment & tighting with bolts & nuts. The cost includes transporation of materials, tools & palnts etc.,complete as per instructions of the as directed by the Project Manager or his representative and approved drawings.

600 mm dia

100 mm dia

Supply, delivery and fixing Pressure gauge (with150mm dia. dial) on the discharge piping with all necessary copper tubing and fittings as per standard practice.

Ladder inside the container. Providing anodized aluminium ladder, using 65mm x 32 mm (approx.) 'C' section x 3.0mm for ladder side channels and 25mm dia, flutal pipe for Rungs at 250mm c/c ladder fixed at an angle of 70 degrees to horizontal including necessary 25mm dia., G.I. shutters with necessary G.I. fasteners for bracing the ladders to the tank walls to prevent buckling of the ladder with necessary (M-15) bed for embedding the ladder bottom including lead and lift and as per the specification and instructions of the as directed by the Project Manager or his representative and approved drawings.

PUMPING MAIN:

Lowering DI pipes and specials into the trench and laying to proper grade and alignment as per the Specification and as directed by the Project Manager or his representative.

600 mm DI flanged Pipe

200 mm DI flanged Pipe

Jointing the DI Double flanged pipes and specials with rubber insertion to the required specifications with M S bolts and nuts, etc,. complete (including cost of jointing materials)

600 mm DI flanged Pipe

200 mm DI flanged Pipe

Constructing masonry chamber use Sulphate resistance cement of inside dimensions as mentioned below with Country Brick, brick work in CM 1:5 (1 cement : 5 coarse sand) for Scour valve, with CI Surface box 100mm top diameter, 160mm bottom diameter and 180mm deep (inside) with chained lid and top RCC Precast slab 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:5:10 (1 cement : 5 coarse sand : 10 grade stone aggregate 40mm nominal size) and inside plastering with CM 1:5 (1 cement : 5 coarse sand) 12 mm thick finished with a floating coat of neat cement, complete as per standard design and shown in the drawings.

1.2x1.20m clear dimension

Supply and delivery of the following sizes Scour - Flanged Valve arraengements with DI Sluice valve as per IS 14846/2000 PN 1.0 with ISI marking including necessary fittings etc,. Complete.

200mm dia. Scour valve in 600mm dia. DI Main

Supply and delivery of the following sizes Sluice - Flanged Valve arraengements with CI Sluice valves non Raising Spindle Types to pressure rating of 1.6 PN with ISI marking (Long body ? Long Face to Face) as per IS and latest amendment including necessary fittings etc,. Complete. - with spur gear arrangements

Bill 2: Environment Management Plan

Ambient Air Quality -Monitoring - For parameters - PM-2.5 & PM-10,So2,NO2,CO

Ambient Noise Quality Monitoring - To identify sources of noise ,Noise due to traffic/transportation of vehicles ,Noise due to heavy equipment operations,Duration and variations in noise over time etc the equivalent noise levels shall be monitored.

Surface Water Quality - pH,Turbidity,Total Hardness

Ground Water Quality - pH,Turbidity,Total Hardness

Soil Quality - pH,Elect Conductivity (at 250C),Moisture (at 1050 C)

Sprinkling of Water for Dust Suppression during excavation for one month

Providing of Rain Water Harvesting struture using precast well ring size 1200 (inner dia) x 4500mm (Height) (300mm x 15Nos) x 80mm (thick) using 1:1.5:3 concrete necessary earth work excavation providing PCC 1:5:10 and RCC cover slab of 1680mm dia 180mm thick . Providing bore hole of size 300mm dia using hand bore set upto 8.50m depth including shifting of the hand bore from one place to another plac with in 5km, erecting 200mm dia slotted PVC pipe (6kg/cm2) with cowl, filling with 20mm HBG metal out side peripheral of the pipe including cost, conveyance, cleaning the site and finishing etc., complete.

Bill 3: provisional lump sum amount for shifting charges of utilities and tree plantation - bidder need not quote for this item of work.