Providing linking arrangement from Debasanpet pumping station with old pumping main to Intermediate Pumping station at near Singam Park including supplying and commissioning of special submersible pumpsets at Debasanpet, Puducherry II call

Amount

I. Providing and laying Pumping Main from Debasanpet to Karuvadikuppam Main Road, Lawspet, Puducherry Cutting open B.T. Road or macadam road for laying water main / sewer lines and stacking the usable materials on road side for reuse in road works.

Earth work excavation above water level and depositing on bank in sandy, silt or other soil, wet sand or silt, light black cotton soil or clay, sandy loam and ordinary soil for infiltration, gallery siphon or connecting pipe line including driving shoring materials as mentioned below. Removing the shoring materials and refilling with excavated earth complying with standard specification etc., complete. - First depth of 2m (using close timbering)

Earth work excavation below water level and depositing on bank in sandy,silt or other soil, wet sand or silt, light black cotton soil or clay, sandy loam and ordinary soil for I.Cs, manhole, well, infiltration well,suction well,siphon or connecting pipe line including driving shoring materials etc,. for excavation purpose and removing the shoring materials and pumping out water caused by spring or tidal or river seepage using diesel engine and refilling with excavated earth complying with standard specification etc. complete. - For first depth of 2 metre (using close timbering).

Earth work excavation below water level and depositing on bank in sandy silt or other soil, wet sand or silt, light black cotton soil or clay, sandy loam and ordinary soil for I.Cs, manhole, well, infiltration well,suction well,siphon or connecting pipe line including driving shoring materials etc, for excavation purpose and removing the shoring materials and pumping out water caused by spring or tidal or river seepage using diesel engine and refilling with excavated earth complying with standard specification etc. complete. - For second depth of 2 metre (using close timbering)

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m - all kinds of soil - pipes,cables etc , exceeding 80mm dia but not exceeding 300 mm dia

Providing and laying Ductile Iron socket and spigot pipes of class K9 (Electro steel/Lanco/Jindal/Electrotherm / Jai Balaji / TATA Metaliks Kubota) conforming to IS specification 8329/2000 and ISI marked suitable for tyton /push on joints in good condition including transportation of D.I.pipe from production centre/company to the site at Puducherry, lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment etc.,complete all as per IS 12288 and CPWD specification. (earth work and jointing of pipes with rubber gasket will be paid separately) -200mm dia.

Providing and jointing cast iron / D.I. (S&S) pipe joints with rubber gasket (Tyton joints) conforming to IS 5382 & 12820 of SBR quality including the cost of fixing, testing the joints etc.,complete -200mm dia.

Providing and laying Ductile Iron socket and spigot pipes of class K9 (Electro steel/Lanco/Jindal/Electrotherm / Jai Balaji / TATA Metaliks Kubota) conforming to IS specification 8329/2000 and ISI marked suitable for tyton /push on joints in good condition including transportation of D.I.pipe from production centre/company to the site at Puducherry, lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment etc.,complete all as per IS 12288 and CPWD specification. (earth work and jointing of pipes with rubber gasket will be paid separately) -700mm dia.

Providing and jointing cast iron / D.I. (S&S) pipe joints with rubber gasket (Tyton joints) conforming to IS 5382 & 12820 of SBR quality including the cost of fixing,testing the joints etc.,complete -300mm dia

Providing and jointing cast iron / D.I. (S&S) pipe joints with rubber gasket (Tyton joints) conforming to IS 5382 & 12820 of SBR quality including the cost of fixing,testing the joints etc.,complete -400mm dia.

Providing and jointing cast iron / D.I. (S&S) pipe joints with rubber gasket (Tyton joints) conforming to IS 5382 & 12820 of SBR quality including the cost of fixing,testing the joints etc.,complete -500mm dia.

Providing and jointing cast iron / D.I. (S&S) pipe joints with rubber gasket (Tyton joints) conforming to IS 5382 & 12820 of SBR quality including the cost of fixing,testing the joints etc.,complete -700mm dia.

Labour for cutting C.I. pipe with steel saw 200mm diameter C.I. pipe.

Providing and fixing C.I. Ball type non return valve (PN 1) conforming to IS 318 & IS 1363, with bolts, nuts, rubber insertion etc.,complete (the tail pieces if required will be paid seperately) - 200 mm dia.

Providing flanged joints to double flanged C.I / D.I. pipes and specials , including testing of joints - 200mm diameter pipe

Providing and fixing 700 mm - CI Reflux non return valve IS-5312 single door PN-10.0

Providing and fixing in position S&Sstandard D.I. specials (Electro steel/Sripipes/Jindal/Kiswok) such as tees, bends, collors, tapers, caps etc.conforming to IS specification 9523/2000 and ISI marked - 100 to 300mm dia.

Providing and fixing in position S&Sstandard D.I. specials (Electro steel/Sripipes/Jindal/Kiswok) such as tees, bends, collors, tapers, caps etc.conforming to IS specification 9523/2000 and ISI marked - 700 to 800mm dia.

Providing and fixing in position flanged standard D.I. specials (Electro steel/Sripipes/Jindal/Kiswok) such as tees, bends, collors, tapers, caps etc.conforming to IS specification 9523/2000 and ISI marked - 100 to 300mm dia.

Providing and fixing CI sluice valves (with cap) complete with bolts, nuts, rubber insertion etc (the tail pieces if required will be paid separately) 200mm diameter Class I.

Providing and fixing CI sluice valves (with cap) complete with bolts, nuts, rubber insertion etc (the tail pieces if required will be paid separately) 700mm diameter Class I.

Providing and fixing D.I. MJ collar coupling, with bolts, nuts, rubber insertion etc.,complete - 200 mm

Providing and fixing D.I. MJ collar coupling, with bolts, nuts, rubber insertion etc.,complete - 700 mm

Constructing masonry Chamber 90 x 90 x100 cm inside with 35 class designation brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter 160 mm bottom diameter and 180 mm deep (inside) with chained lid and R.C.C. top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick finished with a floating coat of neat cement complete as per standard design - with brick class designation 35.

II. SUPPLY , DELIVERY AND COMMISSIONING 3 NOS OF SUBMERSIBLE NON-CLOG PUMPS FOR A DUTY POINT OF 31M HEAD AND DISCHARGE OF 128CUM/HR AT DEBASANPET PUMPING STATION, PUDUCHERRY Supply and delivery of submersible centrifugal sewage non-clog pumps for a duty point of 25 to 30m head and discharge of 100 to 200cum / hour, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. 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 should 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 9600rpm 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. The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS).

Earth work excavation above water level and depositing on bank in sandy silt or other soil, wet sand or silt, light black cotton soil or clay, sandy loam & ordinary soil for I.C's man hole, well, infiltration, suction well including driving shoring materials etc. for excavation purpose and removing the shoring materials and refilling the trenches with excavated earth complying with standard specification., complete - For first depth of 2 metres (using close timbering).

Labour for cutting C.I. pipe with steel saw:- 100mm diameter C.I. pipe.

Providing and fixing D.I. MJ collar coupling , with bolts, nuts, rubber insertion etc.,complete - 100 mm dia.

Providing and laying Ductile Iron Double flanged pipes of class K9 (Electro steel/Lanco/Jindal/Electrotherm) conforming to IS specification 8329/2000 and ISI marked suitable for flanged joints in good condition including transportation of D.I.pipe from production centre/company to the site at Puducherry, lowering to the trenches(or fixing in over head tanks above ground level) laying to proper grade and alignment, testing of joints with required testing equipment etc.,complete all as per IS12288 and CPWD specification . (earth work and jointing of pipes with rubber insertion will be paid separately) -100mm dia.

Providing and laying DI specials of class K-12 suitable for push on jointing as per IS 9523 upto 600mm dia.

Providing and fixing C.I. Ball type non return valve (PN 1) conforming to IS 318 & IS 1363, with bolts, nuts, rubber insertion etc.,complete (the tail pieces if required will be paid separately) - 100 mm dia.

Threading of CI / DI pipes suitable for fixing flanges including transportation,labour charges etc.,complete - 100 mm dia.

Providing flanged joints to double flangedC.I./D.I. pipes and specials including necessary bolts, nuts, rubber insertion and testing of joints etc.,complete - 100mm diameter pipe.

Providing and fixing C.I. sluice valve (PN 1) (with cap) conforming to IS 14846 and ISI marked, with bolts, nuts, rubber insertion etc.,complete (the tail pieces if required will be paid separately) - 100 mm dia.

III. Restoration of roads from Debasanpet to Karuvadikuppam Main Road, Lawspet, Puducherry. Earth work in excavationover areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. - All kinds of soil.

Construction of granular sub-base by providing close graded meterial, spreading in uniform layer with motor grader on prepared surface, by mixing place method with rotavator at OMC and compacting with vibratory roller to achieve the desired density, complete as per clause 401 of MoRTH specification, 4th Revision - By mix in place method for grading II material

Providing , laying , spreading and compacting stone aggregates of specific sizes to bound macadam specification including spreading in uniform thickness, hand packing rolling with smooth three wheeled steel roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite Crushabl type such as moorum / gravel for screening and gravel for binding to fill up the interstices of coarse aggregate, watering and compacting to the required density - by manual means - Water bound macadam Gr-I with Gravel Screening. (As per MoRTH specification, 4th revision).

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite Crushable type such as moorum or gravel for screening and gravel for binding to fill up the interstices of coarse aggregate, watering and compacting to the required density - by mechanical means - Water bound macadam Gr-III with moorum or gravel screening. (As per MoRTH specification, 4th Revision)

Cleaning the existing W.B.M. road surface including removing of binding material and other foreign matter with wire brushes and small picks, sweeping with brooms or soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment. As per clause no 502.4.2 and 503.3.1 of MOST specification.

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means. (As per MoRTH specification, 4th Revision)

Providing and applying tack coat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on granular base such as WBM and WMM surfaces not bitumen primed. Rate of application 10kg/10sqm.

Providing and laying open graded premix carpet of 25mm thick on prepared surface in a single course as wearing course composed of specified size of stone aggregates premix with a bituminous binder in mini hot mix plant 6-10 tonne laying manually and rolling with power roller 8-10 tonne but excluding cost of primer/tack coat. As per clause no 509 of MOST specification.

Providing and applying premixed seal coat type `B' comprising of thin application of fine aggregate premix with bitumen binder in mini hot mix plant, carriage manually of mixed material and laying and rolling with power roller 8 to 10 tonne. As per clause no 513 of MOST specification.

IV. Supplying erecting and commissioning of 75 KVA Diesel Generator Set at Pumping station location at Debasanpet Pumping Station, Puducherry. Supplying of 3 phase, 415 volts, 50 cycles, 0.8 power factor for electric starting diesel generator comprising the following units:- (Kirloskar/Leyland/Ruston/Greaves Cotton/Cummins make) water cooled and shall be of multi stroke, multi cylinders, cold starting, developing not less than154 BHP under normal temperature and pressure. The engine shall conform to I.S. 10002 with latest amendments. It shall be capable of taking 10% over load for one hour in every 12 hours of continous operation including 6 Nos. of anti vibration pads.The engine shall be complete with the following accessories:Electrical starting provision, engine cooling fan, fuel and lubricating oil filters, oil bath, air filter, lub oil pressure gauge 250 litres capacity fuel tank mounted with engine, hour meter with exhaust manifold, flexible pipe, 12 /24 volts electric starting equipment complete with starter, alternator and two numbers of 12 volts with 21 plates battery of make AMCO/STANDARD/EXIDE/DAGANITE (with Guarantee cards) of adequate capacity and low lubricating oil pressure/high temperature varying engine shut down devices.

The Acoustic enclosure shall have the following: Acoustic enclosure shall be powder coated and fabricated out of 16 SWG CRCA MS sheet. The silent canopy shall be of nut bolt type construction. Powder coating is done after seven tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT foam/Rock Wool as acoustic material. Four hinged doors shall be provided to canopy, one door shall have glass window for control panel.Base frame is fabricated either in ISMC channel or in sheet metal. The base frame is rugged in construction and designed for mounting engine and alternator, with cross members mounted on AVM. The base frame shall have provision for mounting of acoustic enclosure and it is having provision of lifting hook for convenient lifting of complete set, i.e. along with canopy, engine and alternator.

Fuel tank shall befabricated out of 14 SWG CRCA MS sheet and is part of base frame. It is duly painted and fitted with inlet and outlet connections of suitable capacity.The Acoustic enclosure shall be Type test approved as per CPCB norms. The average sound level, when measure in green field condition (ISO m3744 OR 8528 PT 10) at 1-meter distance from all four sides shall be less than 75-dBA average or as per CPCB norms. The average stabilized hot air temperature rise with in the canopy is maintained with in 10 C over and above ambient temperature.Acoustic enclosure is suitable for Outdoor / Indoor installation. Lockable doors shall be provided. Lockable fuel filling arrangement to be provided external to the canopy.

Residential Silencer is housed in the canopy. The exhaust gasses shall be taken out through a suitable flexible pipe to prevent any back pressure on the engine.Base frame sturdy, fabricated welded construction, channel iron / sheet metal base frame for mounting the above engine and alternator.Standard Tools and Spares:Double ended spanners complete set (small and big size sets) - 12 Nos. (TAPARIA/GEDORGE/EVEREST make) Screw driver (30cm long) Taparia make .Screw driver (45cm long) Taparia make .Cutting plyer.Diesel filter with elements - 2 Nos.Oil filter with elements - 1 No.All the above accessories with complete set.

Alternator The alternator shall be of Crompton/Kirloskar/ Stamford/ELGI make, self excited, self regulated, screen protected, drip proof alternator with static excitation system capable of developing 75KVA at 0.8 power factor 415 volts, 3 phase, 50 cycles, generally conforming to I.S.4722 under normal condition, the voltage regulation will be plus or minus 5% of rated voltage. It shall be with end shield/ball roller bearings complete.Control Panel A fabricated sheet steel construction suitable for manual operation, rated for system output incorporating the following devices/instruments.

Making earth pit of G.I. pipe for earthing in earth pit with 40mm dia. G.I. pipe medium class of length 3.05m perforated with 46 Nos of 12mm dia. holes, pipe lowered in bore holes of 150mm dia. and filled in with charcoal and salt in alternative layer of 300mm, the top of G.I. pipe shall be clamped. Earth pit shall be provided with 60cm dia precast ring with 60cm depth alround,covered with R.C.C. precast slab etc. as per I.E. standards.

Supplying and fixing of copper flat (25 x 3mm) for earthing arrangements including bolts and nuts etc.

Laying of UG cable and providing termination of cable joint with suitable cable gland,cable socket etc., complete - 3.5 x 95 sqmm cable.

Providing and fixing of fire safety equipments comprising 1 No. of 4.5 kg of CO2 fire extinquisher 1m x 2m x6mm thick rubber mat shock proof of superior quality with two numbers of 10 litres capacity fire buckets (red colour) with M.S. stand arrangements etc.

Providing and fixing of 4 pole change over switch of STANDARD / HAVELLS / KUNDAN / GEM make including M.S. frame as per I.E. standard.- 400 Amps(Above 100 KVA)

Charges for transporting, erection, testing and commissioning of generator set excluding foundation,but including mechanical and other unskilled wages for installation of equipment, wiring from generator set to panel board and change over switches, handling charges, purchase of spares if any required for the installation and commissioning, the cost of fuel and other materials for a trial run of 6 hours. This rate also includes for testing and commissioning of generator set as specified, obtaining approval of Central Electricity Authority (CEA), payment for CEA inspection/Licence fees or any other charges and fulfilling other requirements and conditions laid down by CEA-From 62.5 / 63 KVA to 100 KVA

V. External Electrification for the newly constructed Drainage pumping station at Debasanpet, Puducherry. Supply, erection and commissioning of sheet steel fabricated 16 SWG CRCA Floor Mounting type EB Metering Panel suitable for obtaining EB supply upto 120 HP load comprising of following with necessary internal connection and complete with powder coated painting. a) 500 Amps fuse unit of 3 Nos b) Neutral/Earth Links c) 300 Amps rating copper busbar 1 set d) 200/5 amps CT for metering 3 Nos e) 400 amps T.P.N S.F.U – 1No. f) C.T Test Terminal Block

a) Supplying, erecting and commissioning of 400 amps capacity cubical panel board of size 1550 x 1700 x 300mm made of 16 swg , CRCA M.S sheet painting with two coats of enamel paint above zinc chromate primer suitable for fixing switch disconnector fuse switches . This shall be inclusive of power mat, copper basbar, 3mm thick hylam sheet . Provisions for all indicator , inter lock arrangements, internal wiring with lugs 75x40x6mm base channel and aluminium earth flat linked with switches and doors. b) 2 Nos, 630 amps four pole switch disconnector fuse switches with fuse links and casteral inter lock arrangement (1 No. for receiving of E.D supply and 1 No. for receiving D.G supply). c) 3 Nos 400 amps TPN switches disconnector fuse switches with fuse links ( 3 Nos for 50 HP motor control ( L&T/C.G make) d) 1 No. 200 amps TPN switches disconnector fuse switches with fuse links ( for power capacitor and vacuum pump)

Supplying of 3.5/4x25 sqmm underground cable (Paragon/suncab/Empire) complete - upto 25HP Pumpset.

Supplying of 3.5/300 sqmm underground cable ( Paragon/suncab/Empire) complete - ( above 250KVA Genset)

Suplying and laying of 4x16sqmm armourned aluminium UG Cable ( 1.1KV grade make: Finolex / Polycab / Havells).

Providing, laying and jointing G.I pipes of medium class (blue) (TATA, TNT, Nezone,Apollo,Zenith) conforming to IS specification 1239 part I and ISI marked including transportation to the site , lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment,including GI specials such as bends,tees, elbow,coupling,reducer etc.,complete all as per IS and CPWD specification. -100mm dia

BASKAR MAGADEVANE

M Selvam