Ghurdauri G.O.V. pumping water supply scheme

Amount

PART-1 CIVIL WORKS:- Design, Drawing, testing of bearing capacity of soil and Geological Survey and construction of Intake works consisting of RCC Dry Intake well - cum- pump house of 6.00 m internal Diameter and 20.00 M Height (15.00 m Height of Steining of Intake well and 5.00 M Height of Pump House) at Bank of River Alaknanda near village Margun with R.C.C. approach bridge of 2.50 m wide with length 15.00 m. including supply of all materials, labour, T&P etc. complete for proper completion of work. All the principal details of Intake Well given below for proper completion of work and JJM Logo with wall Painting as per direction given by Engineer-In-Charge.

Raft of the well will be upto 5.0 m below the lowest water level of the Alaknanda river or as per the decision of Engineer-In-Charge.

The well should have 1.2 m wide balcony with 1.2 m high 20 mm dia GI pipe railing in three rows at 0.4 m c/c all around.

Intake well deck floor slab having its bottom 1.0m above HFL. The slab will have suitable opening for the inside spiral stair case and opening have suitable 1.0m high railing of 20 mm dia G.I. pipe in 3 (three) rows supported on MS angle iron post.The Intake well shall have a 0.75 mtr wide R.C.C. or MS Spiral stair case with suitable landing and 1.00 m high GI Pipe, 20 mm dia railing in three rows supported on angle Iron post. The stair case should start from deck slab upto the lowest foundation level of Intake well.

Intake well shall be painted with two coats of approved quality and shade of cement paint/snocem over one coat of primer and MS railing. post shall be painted with approved quality and shade with two coats of anticorrosive paint over one coat of approved quality primer.

The well should have provision for pumps installation of required capacity and construction of pump foundation shall be as per drawing approved by department.

The well should be provided with internal and external electrification, water level indicator and lightening conductor.

Provision of ISMB (size as per design) as joist for gaintry girders to be embeded in vertical wall of pump house with 8 mm thick ms bearing plate at suitable location as per direction of Engineer-In-Charge.

pump house shall be provided with 01 no door of size 1.5mx2.1m and 03 nos windows of size 1.2m*1.2m. The door and windows shall be heavy size section and windows having outside M.S. grill and mosquito proof jali and welded on door & windows to the satisfaction of Engineer in charge of work.

Four numbers 200 mm dia inlet pipes in the RCC partition wall of the well and having arrangements of fixing sluice valve and supported and grouted properly

All necessary arrangements for dewatering during construction, diversion of river, safeguard against floods shall be done by the contractor at his own cost and risk. 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 should be provided in three copies by the contractor within 30 days of acceptance of tender.

Rate for variation in height of Intake well

For Increase in length

For Decrease in length

Rate for variation in length of Approach bridge of Intake well

For Increase in length

For Decrease in length

Design, Supply of all materials, labour, T&P. etc to construct a water treatment plant (WTP) to treat 1.15MLD water (Source at Alaknanda River Near Margun village) based on rapid gravity filtration. The design of filter plant has to be done on the based on CPHEEO manual for Water Supply and Treatment. The filter plant should consists of inlet chamber, flow measuring device, presettling tanks (2 units), mixing units, flocculation unit, secondary settling tank (2 units), rapid gravity filter (minimum 2 filter beds), clear water chamber including all piping, valves, RCC back wash tank, double storey building (minimum 30 sqm) one floor will be used for office and other floor will be used for chemical room). Each floor height should be minimum 3.30 m. The work also include 60 cm apron and 15 cm semicircular PC drain all around all units and including overall drainage of water treatment campus upto outside 5 m of campus boundary. The work should also include internal electrification of all units as well as external electrification as per requirement of site. The work also include 1 m inter connecting RCC/CC path ways to all units as per site requirement. The work also include necessary excavation as per requirement and development of water treatment plant and disposal of surplus earth from site of work to suitable available place but excluding the cost of protection works, boundary wall and gates, which will be executed separately as per approved layout and design of treatment plant. The contractor is advised to inspect the site of work. No excuse and request to change the site, rates and demand of extra rates will be entertained at later stage.

Survey, design, supply, cartage & laying, jointing with trenches and Welding, testing & commissioning of following dia and thickness M.S. E.R.W. Pipe (YST-210)And A.P.I 5L Pipe X46 by welding (by 20 KVA Generator and ador, L&T or equivalent quality of electrods) conforming of to IS: 1387- 1967, IS 1978 – 1982, IS 816: 1969 & IS: 3183 including painting of pipe from outside with anti corrosive paint in two coats, making necessary connections for pumps and sump cum CWR at MPS & IPS and other appurtenant works such as fixing of air valve, sluice valve, reflux valve at suitable points including making scouring arrangement at suitable locations by fixing Tee and gate valve etc. complete. including supply of all materials, labour, T&P and testing of supplied materials etc. complete as per latest IS specification or as per direction, satisfaction & approval of Engineer in Charge.

Rising Main of 125 mm dia 4.0 mm thick M.S.E.R.W Pipe (Intake well to MPS Near village Margun)

Rising Main of 125 mm dia 5.6 mm thick API X-42 pipe (MPS to IPS-I above village Swadu)

Rising Main of 100 mm dia 4.8 mm thick API X-42 pipe (IPS-II to TOP CWR above village Kathur)

Painting of above MSERW/API Pipe with 2 coats of approved qaulity. (Anti-Corrosive paint over one coat of primer)

Supply, carting and fixing of following dia Sluice/Scour/Air Valve as per IS 14846: 2000/latest IS Code and construction of Sluice/scour valve chamber in RCC 1:1½:3 with necessary reinforcement along with fixing of manhole cover on top, including supply of all materials, labours, T&P etc. complete required for proper completion of work as per direction, satisfaction and approval of Engineer-In -Charge.

125 mm dia Sluice Valve (P.N. 1.6)

100 mm dia Sluice Valve (P.N. 1.6)

C.I. Air Valve (Double Acting) 80 mm dia

Construction of Sluice/Scour/Air valve chamber (size 1.2x1.2x1.2m) in RCC 1:1½:3 with necessary reinforcement along with fixing of manhole cover on top, including supply of all materials, labours, T&P etc. complete required for proper completion of work as per direction, satisfaction and approval of Engineer-In -Charge.

ACTARIS Bulk Meters model Woltex Class B magnetically coupled pre eqquipped for remote reading.

125 mm dia

Supply of all materials, labours, T&P etc. and construction of 1.2m x1.2m x1.0 m size Bulk Water Meter Chamber with FPS bricks.

Construction of Anchor Block as per requirement at site in R.C.C 1:24 with necessary reinforcement along the alignment of Raw water and Clear Water Rising Main Inculding supply of all materials, labour, T&P etc. complete including of materials

Making 2 M wide Briddle Path for rising main including hill side cutting and coolie walling of all materials, labour, T & P etc.

Design, drawing, testing bearing capacity of soil & construction of Pump House of size 8.0x7.0x5.0 m made up of Brick masonry with R.C.C. flat roof at each pumping station i.e. MPS (Near village Margun), IPS-I (Above village Swadu) and IPS-II (Above village Minthi), electrification and other appurtenant works with construction of cantilever beems for supporting of ISMB girder and chainpully including construction of pumps foundation as per drawing issued by the department at the time of execution including supply of all materials, labour, T&P etc. complete with cartage of materials as per satisfaction & approval of Engineer in Charge.

Design, drawing, testing bearing capacity of soil & construction of Staff Quarters made up of Brick masonry with R.C.C. flat roof at MPS (Near village Margun), IPS-I (at above village Swadu), IPS-II ( above village Minthi). electrification, water supply, sanitation and other appurtenant works including supply of all materials, labour, T&P etc. complete with cartage of materials as per satisfaction & approval of Engineer in Charge.

Staff Quarters Type-Ist at Treatment Plant, IPS-I and IPS-II

Design, testing bearing capacity of soil and construction of R.C.C. (1:1½:3) semi sunk sump/Clear Water Reservoir of following capacities in K.L. including supply of necessary scaffolding, shuttering and other accessories along with construction of all valve chambers, supply and fixing of inlet and outlet pipes of size equal to sizes of inlet and outlet pipe line, making bye pass arrangement, fixing of overflow pipe in outlet pipe/distribution system, fixing of lightening conductor & M.S. Manhole of size 1 m x 1 m as per norms, water level indicator, supply and fixing of M.S. Steel Ladder outside and inside the tank, fixing of railing around top dome, construction of 90 cm width PCC appron with drain around the CWR and colour washing of approved class snowcem with fixing of bucket type chlorinator and along with carting of all materials including supply of all materials, labour, T&P etc. complete as per latest IS specification or as per satisfaction & approval of Engineer in Charge.

200.00 KL At MPS Near Village Margun

50.00 KL At IPS-I Above village Swadu

50.00 KL At IPS-II Near village Minthi

220.00 KL At Top CWR Above village Kathur.

Supply and fixing of M.S. Iron Gate 3.60 m wide & 1.5 m height with its painting as per approved design & drawing at MPS, IPS-I, IPS-II and top CWR campus including supply of all materials, labour, T&P etc. complete with cartage of materials as per satisfaction & approval of Engineer- in -Charge.

Construction of Boundary Wall made up of Brick masonry 1.5 m height as per approved design & drawing at MPS, IPS-I, IPS-II and top CWR campus including supply of all materials, labour, T&P etc. complete with cartage of materials, distempring/snowcem as per satisfaction & approval of Engineer in Charge.

Construction of Barbed Wire fencing (02 Ply in 04 Rows) above Boundary wall up to 0.45m height as per approved design & drawing at MPS, IPS-I, IPS-II and top CWR campus including supply of all materials, labour, T&P etc. complete with cartage of materials, distempring/snowcem as per satisfaction & approval of Engineer in Charge.

Survey, design, supply, carting, laying and jointing of supply main and Distribution system of GI (M) Pipe for following sizes from MBR to service reservoirs at different locations 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 location by fixing tee and gate valve etc. complete and also testing and commissioning of laid pipe line including supply of all materials, labours, T&P etc and testing of supplied materials complete as per IS 1239 part 1: 2004/latest IS Specification and as per direction, satisfaction of Engineer-In-Charge.

GI Pipe (M)

20 mm dia

25 mm dia

32 mm dia

40 mm dia

50 mm dia

65 mm dia

100 mm dia

GI Pipe (Heavy)

25 mm dia

65 mm dia

Excavation in soil mixed with shingle boulder etc requiring the use of special T&P such as pickaxe, sabble, etc for foundation including lift up to 1.5 m and lead up to 30m. filling water and ramming of excavated earth for pipe line trenches and removal and disposal of surplus earth up to distance of 60m. from the trenches complete assuming that 90% pipe line is laid in trenches. It is estimated that, 75% excavation will be insoil mixed with shingle, bajari and boulder and rest 25% will be in medium rock.

Same as above Item but In Medium Rock

Supply, cartage & fixing of Gate/Wheel valve of following dia. including supply of all necessary T&P like flanges, nut bolts, rubber gaskets, etc. complete as per latest IS specification or as per satisfaction & approval of Engineer in Charge.

Design, drawing & construction of Scour valve/Sluice valve/wheel valve/Reflux Valve/Air Valve chambers of size 0.6mx0.6mx0.6m. as per directions of Engineer in charge including supply of material, labour, T&P and fixing of required size M.H. Cover required for proper completion of work.

Design, drawing & construction of Break Pressure Tank (B.P.T.) in R.C.C. 1:1½:3 with necessary reinforcement complete in all respects, as per directions of Engineer in charge including supply of material, labour, T&P and fixing of required size M.H. Cover required for proper completion of work.

Survey, Design, testing bearing capacity of soil and construction of R.C.C. (1:1½:3) semi sunk Clear Water Reservoir of following capacities in K.L. at different locations including supply of necessary scaffolding, shuttering and other accessories along with construction of all valve chambers, supply and fixing of inlet and outlet pipes of size equal to sizes of inlet and outlet pipe line, making bye pass arrangement, fixing of overflow pipe in outlet pipe/distribution system & M.S. Manhole of size 0.60 m x 0.60 m as per norms, colour washing of approved class snowcem with fixing of bucket type chlorinator and along with carting of all materials including supply of all materials, labour, T&P etc. complete as per latest IS specification or as per satisfaction & approval of Engineer in Charge. Extra provision has been made for fixing of lightening conductor, water level indicator, supply and fixing of MS Steel ladder outside and inside the tank, fixing of railing around top dom for 30 to 50 KL Capacity RCC CWRs. Construction of 75 cm wide PCC Appron along with Drain around the all CWRs.

Supply of all materials, labour and T&P etc complete for fixing of Bucket Type Chlorinator.

Construction of protection works as per site conditions wherever necessary as follows as per directed by Engineer-In- Charge

Excavation in soil mixed with shingle boulder etc requiring the use of special T&P such as pickaxe, sabble, etc for foundation including lift up to 1.5 m and lead up to 30m. filling water and ramming of excavated earth into the trenches or into the space between the building and sides of foundation trenched or into the plinth and removal and disposal of surplus earth up to distance of 60m. from the foundation trenches.

Cement concrete with 2 cm. gauge approved stone ballast, coarse sand and cement in proportion (4:2:1) including supply of all materials, labour, T&P etc. requiring for proper completion of work.

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

Random Rubble stone masonry Laid Dry.

PART-2 E&M WORKS

Centrifugal pump set, discharge (Q) - 750 LPM, Head - 50 Mtrs.

Motor for above pump.

Base Plate for above pump set.

Fully Automatic Star Delta Starter suitable for above motor

Control Panel suitable for above pumping plant.

25 mm² Al. conductor, armoured, 3.5 core XLPE cable of 1.1 KV grade

6 mm² Cu conductor 3 core submersible cable of 1.1 KV grade

Jointing material such as lugs, tape etc.

Double loop Earthing

100 Amp main switch for receiving power supply from meter board

Supply of main piping and valve as per technical specification/ site requirement

GAUGES(0-10Kg/cm²)

Tools

Supply of spare of Pump (Bearing DE/NDE 2Set Impeller 1Set.)

Supply of spare of starter (Contactor of required capacity-03 No,Over Load Relay-01 No,Timer-02No.)

Chain Pully Block 12 Mtrs. Lift, 2 tone capacity withTravelling arrangement and girder fitting.

Rubber resistance sheet (size-1mx2mx0.025m)

Fire Extinguiser (6 kg).

Installation

Commissioning

Testing

At works

At site

Painting

MAIN PUMPING STATION (MPS)

Centrifugal pump set, discharge (Q) - 700 LPM, Head - 470 Mtrs

Motor for above pump.

Base Plate for above pump set.

Fully Automatic Auto Transformer Starter suitable for above motor (Oil cooled).

Control Panel suitable for above pumping plant.

300 mm² Al. conductor, armoured, 3.5 core XLPE cable of 1.1 KV grade

50 mm² Cu conductor 3 core submersible cable (Double Run) of 1.1 KV grade

Jointing material such as lugs, tape etc.

Double loop Earthing

400 Amp main switch for receiving power supply from meter board

Supply of main piping and valve as per technical specification/ site requirement

GAUGES(0-70Kg/cm²)

Tools

Supply of spare for Pump (Bearing DE/NDE 2Set Impeller-1Set.).

Supply of spare for Motor(Bearing DE/NDE 2Set ).

Supply of spare of (Contactor of required capacity-03 No,Over Load Relay-01 No,Timer-02No.).

HOT gantry 2 Tonne With 8 meter span 4.5 mtr lift capacity with geared travelling trolly with two girder in the pump house.

Rubber resistance sheet (size-1mx2mx0.025m)

Fire Extinguiser (6 kg).

Installation

Commissioning

Testing

At works.

At site.

Painting

INTERMEDIATE PUMPING STATION-I ( IPS - 1)

Centrifugal pump set, discharge (Q) - 700 LPM, Head - 450 Mtrs

Motor for above pump.

Base Plate for above pump set.

Fully Automatic Auto Transformer Starter suitable for above motor (Oil cooled).

Control Panel suitable for above pumping plant.

300 mm² Al. conductor, armoured, 3.5 core XLPE cable of 1.1 KV grade

50 mm² Cu conductor 3 core submersible cable (Double Run) of 1.1 KV grade

Jointing material such as lugs, tape etc.

Double loop Earthing

400 Amp main switch for receiving power supply from meter board

Supply of main piping and valve as per technical specification/ site requirement

GAUGES(0-70Kg/cm²)

Tools

Supply of spare for Pump (Bearing DE/NDE 2Set Impeller-1Set.).

Supply of spare for Motor(Bearing DE/NDE 2Set ).

Supply of spare of (Contactor of required capacity-03 No,Over Load Relay-01 No,Timer-02No.).

HOT gantry 2 Tonne With 8 meter span 4.5 mtr lift capacity with geared travelling trolly with two girder in the pump house.

Rubber resistance sheet (size-1mx2mx0.025m)

Fire Extinguiser (6 kg).

Installation

Commissioning

Testing

At works.

At site.

Painting

INTERMEDIATE PUMPING STATION-II ( IPS - II)

Centrifugal pump set, discharge (Q) - 650 LPM, Head - 495 Mtrs

Motor for above pump.

Base Plate for above pump set.

Fully Automatic Auto Transformer Starter suitable for above motor (Oil cooled).

Control Panel suitable for above pumping plant.

300 mm² Al. conductor, armoured, 3.5 core XLPE cable of 1.1 KV grade

50 mm² Cu conductor 3 core submersible cable (Double Run) of 1.1 KV grade

Jointing material such as lugs, tape etc.

Double loop Earthing

400 Amp main switch for receiving power supply from meter board

Supply of main piping and valve as per technical specification/ site requirement

GAUGES(0-70Kg/cm²)

Tools

Supply of spare for Pump (Bearing DE/NDE 2Set Impeller-1Set.).

Supply of spare for Motor(Bearing DE/NDE 2Set ).

Supply of spare of (Contactor of required capacity-03 No,Over Load Relay-01 No,Timer-02No.).

HOT gantry 2 Tonne With 8 meter span 4.5 mtr lift capacity with geared travelling trolly with two girder in the pump house.

Rubber resistance sheet (size-1mx2mx0.025m)

Fire Extinguiser (6 kg).

Installation

Commissioning

Testing

At works.

At site.

Painting

Cost of Power transformer for 11 KV /.433 KV

At Main pumping station. The capacity of transformer 250 KVA.

At IPS I The capacity of transformer 250 KVA.

At IPS I I The capacity of transformer 250 KVA.

Cost of supply of HT Panel with one no. Required 400 Amp VCB module for Incomer and two nos load break switch module for out going to transformer etc complete.

HT outdoor termination kit

HT Indoor termination kit

25 sq.mm Al. conductor 3 core PVC sheathed armoured HT cable

Cost of earthing of transformers at each stage including supply of material for required no of GI/ Copper earthing complete with supply of all material, labour and T&P required as per I.E rules.

Installation & testing of transformers

Cost of fencing of transformers at different stages upto.

Cartage of all transformer, H.T Panel, HT/LT cable and transformer oil etc upto site.

After testing & commissioning of scheme running & maintenance of scheme by running pumping plant for 16 hrs per day (for a period of 6 months or complete Distribution line testing of civil works which over later ) including supply of skilled O&M staff, account maintenance including supply of all materials, labour, T&P etc. complete but excluding electricity charges for pumping of water.

AUTOMATION WORKS

For Intake well’ M.P.S, I.P.S-I, IPS-II.

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.

Energy meters suitable for automation

Valve actuator for 100 mm dia valve

Actuator Panels

Hard wired timer circuit for actuators

Pressure transmitter

Auto phase reversal unit -

For Raw Water (0-40 HP)

For MPS & IPS-I, IPS-II,(100-150 HP)

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

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

Electromagnetic insertion type flow meters for 150 mm size (for Raw water & MPS,IPS-I IPS-II, ) with local electronics(display and set point facility) and 4-20mA retransmission output to SCADA suitable for line size.

Cabling Work

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

Control cable between RTU and field instruments/control panel

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

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

conduct pipe 1” PVC

conduct pipe 1½” PVC

Accessories like PVC flexible pipes, PVC bend, AC & DC relays with base, lugs etc.

Erection commissioning of all instruments and customization of software.

INTERNAL/EXTERNAL ELECTRIFICATION OF PUMP HOUSE INTAKE WELL,M.P.S, I.P.S-I I.P.S-II.

Wiring for light point, fan point etc. with 1.5 sq mm FR PVC insulated copper conductor single core cable in surface PVC conduit with piano type switch, phenolic laminated sheet, suitable size GI box, with earth wire of 1.5 sq mm FR PVC insulated copper conductor single core cable etc as required.

Wiring for circuit/submain alongwith earth wire with the following size of FR PVC insulated copper conductor single core cable in surface PVC conduit as required.

2x2.5 sq. mm + 1x2.5 sq. mm earth wire

2x4 sq. mm + 1x4 sq. mm earth wire

Supply and fixing of metal box of 180 mmx100mmx160 mm deep on surface with suitable size phenolic laminated sheet cover in front including providing and fixing 6 pin 5/6 amp and 15x16 amp socket outlet and 15/16 amp piano type switch, connections, painting etc as required.

Supply and fixing of 8 way double door S.P.N. sheet steel, MCB DB, 240 V on surface complete with copper bus bar, neutral bus bar, earth bar, inter connections including earthing etc as required. (But without MCB/ RCCB/Isolator)

8 way double door

Supply and fixing of 5 A to 32 A, 240 V, 10 KA, C serious MCB suitable for inductive load of following pole in the existing MCB DB complete with connection, testing etc as required.

Supply and fixing of double pole, 240 V, isolator in the existing MCB DB complete with connection, testing etc as required.

Supply and fixing of bulk head light Bajaj / Philips / equivalent make

Supply and fixing of 40 W LED tube light complete in all respect (Bajaj / Philips / Equivalent make)

Supply and fixing of 23 watt LED external lighting luminaires with mounting bracket etc. complete.

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