Construction of all Civil and E and M works under Kandi GOV pumping water supply scheme of Block Jaunpur District Tehri Garhwal

Amount

Raft top of the well shall be up to 4.5 m higher than HFL and bottom of well shall be 1.00 m from max. scour depth of the lowest water level of the Song river as per the decision of Engineer-in-Charge and designer’s suggestions.

A collecting chamber of appropriate size attached structurally with the main Intake Well and having the same depth with the feeding channel / pipe to carry the raw water from river to collecting chamber.

The Intake well shall have a 60 cm wide RCC or MS circular stair case with suitable landing and 1.00 m high GI pipe 20 mm railing in 3 rows supported on ISA 40x40x5 angle iron posts. The stair case should be started from deck slab to the lowest foundation beam of the Intake well.

Construction of various RCC foundations for installing pumping plants with motors, arrangement of fixing of various valves etc complete.

Intake well deck floor slab bottom shall be1.00 m above HFL and steinning wall height shall not be less than 9.5 m high above raft. The slab shall have suitable opening for the inside circular stair case and opening have suitable 1.00 meter high railing of GI pipe 20 mm Ø in 3 rows supported on MS angle iron posts of ISA 40x40x5 for prevention of falling of men and material in the well.

1.20 m wide RCC circular balcony around outside the well and 2.00 m wide RCC approach path not less than 1.00 m high on HFL and having GI pipe 20 mm railing 3 rows supported on MS angle iron post ISA 40x40x5 grouted in RCC deck slab.

The ceiling of roof slab of Intake well pump house shall not be less than 4.0 m above deck slab and projecting 1.00 Meter outside the pump house wall providing roof over the balcony. The roof slab shall be sloping and should have good architectural look as per satisfaction of engineer in charge. Pump house shall be provided with the following doors and windows:- (a) Entrance 1 No door of size 1.5 m x 2.1 m, (b) 3 Nos windows of size 0.9 m x 1.2 m. The door and windows shall be heavy size “Z” section and windows having outside MS grill of MS squre bar of 10 mm x 10 mm size and opening shall not be more than 10 cm x 10 cm and mosquito proof net and fitting welded on door and windows to the satisfaction of Engineer in charge of work.

The structural design of the Intake well shall have a suitable 2.00 m wide and 12 m long span RCC bridge with approach road. Span of the bridge and lenght of approach road may vary as per site requirements for making approach to the Intake well cum pump house including iron gate on entrance.

All the expose masonry works shall either be of well plastered or of raised pointing or of ornamental plastering as per direction of Engineer in charge of work.

Pump house and Intake well shall be painted with two coats of approved quality and shade of apex or equivalent quality exterior paint over one coat of suitable primer and railing/ MS posts shall also be painted with approved quality and shade of two coats of anti corrosive enamel paint over one coat of approved quality primer.

All necessary arrangements for dewatering during construction, diversion of river and necessary safe guards against flood shall be done by the contractor at his own cost and risk and no extra payment shall be made for these appurtenant works.

The detailed structural design of the Intake well cum pump house showing all the details shall be supplied in 3 copies by the contractor within 21 days of acceptance of tender. The contractor shall be bounded to supply any other information asked for in respect of the above, failing which his tender will be liable to be rejected and earnest security deposit shall be forfeited. The contractor shall also give reference of all the relevant IS/BS codes, which ever and where ever applicable in the design and also other clarifications as and when asked for.

Variation in rates of item no. 1 (1.01 to 1.13) above for variation in depth of RCC Intake well.

Increase in rates for each 0.50 m increase in depth (upto a total of 1.50 m)

Decrease in rates for each 0.50 m decrease in depth of well (upto 1.50 m).

Increase in rates for each 0.5 m increase in internal diameter intake well.

Decrease in rates for each 0.5 m decrease in internal diameter intake well.

Increase in rates for each 1.0 m increase of RCC approach bridge length.

Decrease in rates for each 1.0 m decrease of RCC approach bridge length.

Design and Supply of all materials, labour T & P etc. and equipments to construct 1.00 MLD capacity (for 16 hours operation per day) Rapid Sand Gavity filteration plant consisting of all required arrangement viz inlet chamber, clarifloculator, settling tank, filteration unit of 1.00 MLD each of specified gravel bed media with wash water trough, wash water storage back wash arrangement,,R.C.C. Sump/CWR 50 KL. and scour & under drainage system and chemical solution tank & appropriates valves etc all complete,all the units of WTP Shall be connected with minimum 1.2 mt. wide R.C.C. approch path with railing on both sides considering local safety features including cartage of all materials, labour, T & p etc. as per CPHEEO guidelines required for proper completion of work.all

Civil Works - Excavation of earth for pipeline trenches of Raw, Clear water rising main, Feeder Main and Distribution System in following strata requiring the use of specials, T&P such as pick axes, sabbals crow bars etc with a lift upto 1.5 m and lead upto 30 m. including refilling, watering, ramming of excavated earth into the trenches and removal & disposal of surplus earth upto a distance of 60 m. from the trenches including supply of all materials, labour, T & P etc. all complete.

Soil mixed with boulder and bajri

Medium rock

Confirmatory Survey and economic design of rising main including supplying, cartage, laying, jointing, fixing & welding of following API pipe (X-56 grade), duly painted out side with anticorrosive paint from factory and in case of damege of this painted layer it shall be done at site before laying without any extra cost and other appurtenent works such as fixing of wheel valve, sluice valve, reflux valve at suitable points including making scouring arrangment at suitable location by fixing tee and gate valve, making of by pass arrangments at sump cum CWR & TOP CWR etc. complete and also testing and commissioning of laid pipe line including supply of all materials, labour, T&P etc. complete.

100 mm dia 4.0 mm thick

125 mm dia 7.9 mm thick

150 mm dia 4.0 mm thick

Supplying, Carting, fixing of following size of Cast Steel Sluice valve of rising main as perClass -300 at suitable points including supply of all materials, labour and T&P etc. complete.

100 mm dia

125 mm dia

150 mm dia

Supplying, Carting, fixing of following size of Cast Steel Reflux valve of rising main as perClass -300 at suitable points including supply of all materials, labour and T&P etc. complete.

100 mm dia

125 mm dia

150 mm dia

Survey, design supplying, carting, laying & jointing of Supply Main/ Distribution system of following size of G.I. (Medium) pipe confirming to IS 1239 Part I : 2004 including provision of specials and other appurtenant works such as fixing of air valve, sluice valve etc. at suitable points including making scouring arrangement at suitable locations by fixing tee & gate valve etc. complete and also testing & commissioning of laid pipeline including supply of all materials, labour, T&P etc. complete.

15mm dia

25 mm dia

32 mm dia

40 mm dia

50 mm dia

65mm dia

80 mm dia

100 mm dia

125 mm dia

Survey, design supplying, carting, laying & jointing of Supply Main/ Distribution system of following size of G.I. (Heavy) pipe confirming to IS 1239 Part I : 2004 including provision of specials and other appurtenant works such as fixing of air valve, sluice valve etc. at suitable points including making scouring arrangement at suitable locations by fixing tee & gate valve etc. complete and also testing & commissioning of laid pipeline including supply of all materials, labour, T&P etc. complete.

65mm dia

80 mm dia

Confirmatory Survey and economic design of Feeder Main including supplying, cartage, laying, jointing, fixing & welding of following MSERW Pipe Yst 210, duly painted out side with anticorrosive paint from factory and in case of damege of this painted layer it shall be done at site before laying without any extra cost and other appurtenent works such as fixing of wheel valve, sluice valve at suitable points including making scouring arrangment at suitable location by fixing tee and gate valve, making of by pass arrangments at CWR etc. complete and also testing and commissioning of laid pipe line including supply of all materials, labour, T&P etc. complete.

32 mm dia 2.6 mm thick

80 mm dia 3.2 mm thick

125 mm dia 3.2 mm thick

Supply of all materials, labour & Construction of Wheel/Scour /Air valve chamber ( 60 x 60 x 75 cm) in brick masonnry with fixing of M.S. manhole cover on top including supply of all materials, labour, T&P etc. complete required for proper completion of work as per drawing & design.

Construction of Anchor Block in R.C.C. 1:1.5:3 size as directed by Engineer In Charge with necessary reinforcement along the alignment of Clear Water Rising Main including supply of all materials, labour, T&P etc. and reinforement complete as per type design as per direction of engineer incharge including cartage of materials. size of thrust block at spacing of 100 m each from pump to half length of top CWR.

Construction of Thrust Block in R.C.C. 1:1.5:3 size size as directed by Engineer In Charge with necessary reinforcement along the alignment of Clear Water Rising Main including supply of all materials, labour, T&P etc.and reinforcement complete as per type design as per direction of engineer incharge including cartage of materials. size of thrust block at spacing of 100 m each from pump to half length of top CWR

Design & Construction of following size of pump house considering all local safety features including supply of all materials, labour T&P, cable trenches, pannel & pump foundation etc complete as per type design.

At IPS (7 x 7.5 x 5.0) mtr.

Supplying, Carting, fixing of following sizes of CI/DF SLUICE VALVE as per IS: 14846 with caps etc. flange drilled as per IS: 1538/70 ISI marked etc. at suitable points including supply of all materials, labour and T&P etc. complete.

65 mm dia

80 mm dia

100 mm dia

125 mm dia

Supplying, Carting, fixing of following sizes of CI/DF Pressure Reducing valve as per IS: 14846 with caps etc. flange drilled as per IS: 1538/70 ISI marked etc. at suitable points including supply of all materials, labour and T&P etc. complete.

32 mm dia

50 mm dia

65 mm dia

Supplying, Carting, fixing of following sizes of gun metal Air valve as per IS: 14846 with caps etc. flange drilled as per IS: 1538/70 ISI marked etc. at suitable points including supply of all materials, labour and T&P etc. complete.

20 mm dia

Supply and fixing of Automatic solution feeder Chlorinator etc. complete including supply of all materials, labour, T&P etc. complete.

Design and Construction of following R.C.C. M 25 grade semi sunk circular service water reservoirs as per latest IS codes of following capacity and other appurtenant works including supply of all materials, labour and T&P etc. with all necessary scaffolding, shuttering and other accessories alongwith construction of valve chambers, supply and fixing of inlet and outlet pipes, lightining conductor, water level indicator, including supply and fixing Bulk water meter compatible with IoT device, provision of bye pass connections with chambers & M.S. Manhole cover with locking arrengment including supply and fixing of M.S. Steel Ladder of 65 mm x 65 mm x 5 mm angle outside and inside the tank ( For tanks 20 KL capacity or more) and colour washing of approved apex or other exterior high class paint, on the tank, manhole SS mosquito wire mesh over expanded metal mesh including supply of all materials, labour, T&P etc. complete required for proper completion of work or as per direction of engineer incharge of work. The reservoirs shall be checked for water tightness i.e for leakage, seepage in the tank and before making the final payment to contractor.

P.C.C. 1:4:8 with 40 mm gauge stone ballast including supply of all materials, labour, T&P etc. complete.

Random Rubble stone masonry in 1:6 with cement and sand mortar including supply of all materials, labour, T&P etc. complete.

Random Rubble stone masonry laid dry including supply of all materials, labour, T&P etc. complete.

Construction of Briddle Path 2.0 mtr wide On hill side excavation will be 1.00 m while on valley side no excavation will be made. Collie walls shall be laid no 50% of length to retain earth. Protection will be done in 50% of length to retain earth including supply of all materials, labour, T&P etc. complete.

supply of all materials, labour & Construction of break pressure tank as per type design complete.

supply of all materials labour T&P etc.consttruction of boundry wall of height 1.8 mtr.

Dismentling of flexible pavements and disposal of dismentled materials up to a lead of 100m,stacking serviceable materials separately as per technical specification clause 202.bituminous courses including supply of all materials, labour, T&P etc. complete.

Dismentling of cement concreete pavements by mechnacial means using pneumatic tools breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismentled materials up to a lead of 100m,stacking serviceable and unserviceable materials separately including supply of all materials, labour, T&P etc. complete. .

ELECTRICAL & MECHANICAL WORKS: SITC of Pumping Plants as follows:-

INTAKE WELL

Electric driven horizontal split case centrifugal raw water pump with coupling, coupling guards & MS fabricated heavy duty base plate for mounting pump and motor.

Electric motor suitable for above pump

Air Cooled fully automatic star delta starter suitable for above pump set.

Control panel for above pump set

Electric driven horizontal centrifugal clear water pump with coupling, coupling guards & MS fabricated heavy duty base plate for mounting pump and motor..

Electric motor suitable for above pump

Fully automatic air cooled auto transformer starter suitable for above pump set

Control panel for above pump set

Electric driven horizontal centrifugal clear water pump with coupling, coupling guards & MS fabricated heavy duty base plate for mounting pump and motor..

Electric motor suitable for above pump

Air Cooled fully automatic star delta starter suitable for above pump set.

Control panel for above pump set

Supply and laying of 70 mm2 size 3.5 core, Al conductor XLPE insulated armoured cable of 1.1 kv grade for Intake well & IPS

Supply and laying of 500mm2 size 3.5 core, Al conductor XLPE insulated armoured cable of 1.1 kv grade for MPS

Supply and laying of 25mm2 size 3.0 core, copper conductor XLPE insulated submersible cable for Intakewell & IPS

Supply and laying of 70mm2 size 3.0 core, copper conductor XLPE insulated submersible cable for MPS

Supply & fixing of jointing material such as lugs, tape etc for Intakewell, MPS & IPS

Complete double loop G.I earthing with material such as earth plate, earth strips, coal, salt etc as required as per IE rules at site for Intake well, MPS & IPS

Main Piping & Valves for Intake well

Main Piping & Valves for MPS

Main Piping & Valves for IPS

Pressure gauge (0-20 kg/cm2) - 1 no and compound gauge (0(+/-)1.0 kg / cm2) - 1 no with fittings for Intakewell

Pressure gauge (0-100 kg/cm2) - 1 no and compound gauge (0(+/-)1.0 kg / cm2) - 1 no with fittings for MPS

Pressure gauge (0-60 kg/cm2) - 1 no and compound gauge (0(+/-)1.0 kg / cm2) - 1 no with fittings for IPS

Supply of necessary tools for Intakewell, MPS, IPS

Supply of rubber resistance sheet 1mtx 2mt x 0.025 m for Intake well

3 Tonne capacity 25 m lift chainpulley for Intakewell

5 Tonne capacity 6.0 m span H.O.T crane for MPS

3 Tonne capacity 3.0 m span H.O.T crane for IPS

Testing of Pumps at manufacturer's works for Intakewell, MPS & IPS

Testing of Pump at site for Intakewell, MPS & IPS

Painting of pumping plant at Intakewell, MPS & IPS

Internal & External electrification of pump at Intakewell, MPS & IPS

200 Amp main switch for Intak ewell

200 Amp main switch for IPS

SITC of 400 KVA transformer at MPS

Eartihg of Transformer at Intakewell, MPS & IPS

Supply & laying of 95mm2 3 core PVC sheathed XLPE HT Al. cable for MPS

Supply & fixing of HT cable jointing kit

SITC of HT panel including VCB for MPS

Fencing of transformer at Intakewell & IPS

Fencing of transformer at MPS

Testing of transformer at works

Automation : SITC of automation, accessories for pumping plant at Intakewell, MPS & IPS

GSM BASED REMOTE TERMINAL UNITS WITH Analog and Digital Parameter and features as specified to store and transmit data on GSM backbone to LMS(RTUs shells be integrated with the starter Panel)

GSM based wireless communication hardware for RTUs capable to transfer data from remote site to MCS/LMS with all accessories.

Electromagnetic insertion type flow meters for line sizes 100 mm with local electronics(display and set point facility) and 4-20mA retransmission output to SCADA

Electromagnetic insertion type flow meters for line sizes 80 mm with local electronics(display and set point facility) and 4-20mA retransmission output to SCADA

Energy meters suitable for automation

Valve acutuator for 100 mm dia valve

Valve acutuator for 80 mm dia valve

Actuator Panels

Hard wired timer circuit for actuators

Pressure transmitter

Isolation Transformer (440 V step down 220 V for protection of site automation)

Over voltage & under voltage trip protection (350 V- 450 V)

Level transmitter of 10 mt range

Signal / control cabling between RTU and field instruments, 2 Core x 1.5 PVC coated flexible screened cable

4 Core x 2.5 sq mm Cu Power cable

4C x 1.5 sq mm PVC coated flexible unscreened Cu cable

10C x 1.5 sq mm PVC coated flexible unscreened Cu cable

Conduit pipe 1" PVC

Conduit pipe 1.5" PVC

Customization of software & Integration with existing SCADA Station

Errection, commissioning & customization of iRTU/PLC & software

Operation & Maintenance of pumping station 16 hrs per day basis at Intakewell, MPS & IPS

Addition/Deduction on rates for per meter change in pumping head (including variation in capacity of pump and motor/starter/panel etc as per new puming head at Raw water pumping station)

Addition/Deduction on rates for per meter change in pumping head (including variation in capacity of pump and motor/starter/panel etc as per new puming head at MPS)

Addition/Deduction on rates for per meter change in pumping head (including variation in capacity of pump and motor/starter/panel etc as per new puming head at IPS)

M/s Trilok Rawat