Karthi Kothar G.O.V. pumping water supply scheme

Amount

Supply of all materials, labour, T&P, diversion of river water making coffer dam, dewatering etc required for construction of one no circular water tight RCC wet intake well of 6.00 m internal dia & 15.00 m height with Pump house 3.50 m height designed to with stand safely the effects of seismic effect, wind effect and water current forces in Hyul River near Hyul Ghati by well sinking or open excavation as per site requirement on 8 T/m2. Details of works will be as follows----

Testing of bearing capacity of soil from a recognized University in the presence of site in charge.

The detailed structure design and drawing or the foresaid intake well showing all details based on BC report should be supplied by the contractor within 15 days from the date of acceptance .

The floor of intake well shall be 5.00 m below the LWL .

Intake well have 4 nos RCC inlet channels internal size 75cmX 75cm extending radially upto a distance of 4.00m from the outer face of intake well. These inlet channels shall be properly supported and embeded in the river bed. So as to withstand the damaging effects due to excessive water current and flowing debris during floods rainy season. The projected length of the channel out side the wall may vary as per site requirement.

Three nos 150 mm dia GI (Medium) perforated pipes for inlet with proper sluice valve arrangement will be grouted in the intake well at proper place. These pipes will pass through the inlet channels and shall be covered with pebbles around it. The perforated pipes shall be arranged by the contractor.

The RCC shaft of intake well will be one meter above HFL.

The circular pump house above the shaft of intake well will be of 23 cm thick brick masonry in 1:6 cement and coarse sand mortar.

The floor of pump house i.e. deck floor slab capable of accommodating to motors of 450 LPM discharge and pumping head 90mtrs pumps shall have 0.6m opening on either side of the centre of floor throughout the dia as shown in drawing. This opening will also provide acess for the stair case . The opening will covered by the MS Jali as per direction of Engineer –in-charge.

One meter wide circular balcony shall be provided all around the outer face of intake well shaft. This balcony shall have 1.2 m high, RCC railing post at a distance of not more than 2.5m. The railing post shall support three rows of 20mm dia GI pipe of medium quality, the pipe will be supplied by the contractor.

The roof of pump house will be 3.50 m above the floor level of pump house and will be projected 1.00m all around the outer face of wall of pump house will proper slope for drainage.

One M.S. girder of suitable size and 6.50 m length will be fixed 30 cm below the roof level along the diameter of pump house in the centre of opening left in the floor of pump house. (item no ‘h’) as per direction of Engineer – in –charge.

The Pump house will be provided with one door of 1.2m x2.1m and 3 fully glazed windows of 1.2m x 1.8m. The door and windows will be provided with 50x50x6 mm angle iron frame,1mm thick MS sheet door and glazed Z- section window of 4 mm thick glazing or as per direction op Engineer in charge as per site requirement .

Suitable provision for 2.50 m wide and 15m span RCC foot bridge for making approach path to intake well shall be made with railing of 20 mm dia GI (M) pipe in 3 rows and RCC railing posts, pipes to be arranged by the contractor.

All masonry works should be plastered on both face with 1:6 cement, coarse sand, mortar 20 mm thick.

Three coat of approved snowcem shall be done on exposed surface of intake well and pump house. All railing and wood work or steel works shall be painted with one coat of approved primer and two coats of approved with colour paint. The ladders/ railings of intake well shall be painted with anticorrosive paint. Two coats and over two coats of enamel paint, Inside the pump house one coat whitewash and two coats of dry distemper, three coats of whitewash on ceiling shall be done as per instruction of Engineer –in- Charge.

Rates per meter variation in height / depth of intake well shaft on either side.

Per meter increases

Per meter decreases

Rates per meter variation in Length of R.C.C foot bridge on either side.

Per meter increases

Per meter increases

Rates per 0.5 T/m2 variation in bearing capacity of soil

Per 0.5 T/m2 increases in BC

Per 0.5 T/m2 decreases in BC

Supply of all materials, labour, T&P etc Complete & Construction of Pump House as per deptt design & drawing in FPS Bricks 7.00 x 5.00 x 4.50 m in size including supply of all labour material T&P etc complete as per approved designed & drawing including all neceassary arrangements required for installation of motor & Pumps.

Supply of all materials, labour, T&P etc Complete & Construction of Metering Room for electricity as per deptt design & drawing in FPS Bricks 3.66 x 3.05 x 3.05 m in size including supply of all labour material T&P etc complete as per approved designed & drawing including all neceassary arrangements .

Supply of all materials, labour, T&P etc Complete & Construction of Type-Ist Staff quarter at TOP CWR for Chaukidar as per deptt. design & drawing in FPS Bricks as per direction engineer in charge.

Excavation in soil mixed with shingle boulders etc requiring the use of specials T&P etc such as pick axes etc for foundation in building works including lift up to 1.5 m, lead up to 50 m, refilling watering & ramming of excavated earth into the trenches and the side of the foundation trenches into the plinth and disposal of surplus earth up to a distance of 50 m from the foundation for protection work .

Excavation of earth for pipeline in following strata, lift upto 1.5m and lead upto 30m including refilling, watering and ramming of excavated earth into the trenches and removal of surplus earth upto a distance of 60 m from trenches including supply of labour and T&P etc. all complete.Assuming that 90% pipeline is laid in trenches. It is estimated that 75% excavation will be in soil mixed with shingle, bajari & boulders and rest 25% in medium rocks. API Pipe will be laid at 1.00 M depth from ground level.

Same as item no 3 above but in medium rock for pipeline work .

Providing of all material, Carting , Lowering into trenches with true alignment, Laying of API 5L, Jointing by electric welding process with proper grade of electrodes suitable for jointing of water supply pipe line (Ador, L&T or equivalent electrodes) as per surveying & design done by the contractor (Including testing of pipe line and cutting of pipe for making Required length and bends by welding excluding the cost of exacavation in trenches.

API 5L GRADE B PIPE

80 mm dia, 4.80 mm thick

65 mm dia, 4.00 mm thick

Survey, design, supply carting, laying & jointing of G.I.(M) class pipe by socketing for Supply Main/ Feeder Main/Distribution System of following sizes including provision of specials and other appurtenant works such as scouring arrangement at suitable locations by fixing tee etc. complete and also testing & commissioning of laid pipeline including supply of all materials, labour, T&P etc. complete. G.I. (Medium Quality) As per IS 1239 Part I : 2004

15 mm dia

20 mm dia

25 mm dia

32 mm dia

40 mm dia

50 mm dia

Dismantling of following dia screwed and socketed G.I. Pipes, specials and fittings including taking out of dismantled G.I. pipes and specials from trenches and stacking them properly within 50m but excluding the cost of earth work (Note :- This item shall be paid with the condition that the recovered pipe from dismantling is reusable.)

20 mm dia

25 mm dia

32 mm dia

Relaying of dismantled G.I.Pipe in true Alignment in trenches including supply of all materials,labour,T&P etc complete.

20 mm dia

25 mm dia

32 mm dia

Painting of MSERW / API Pipes with 2 coats of approved quality Anti- Corrosive Paint over one coat of primer.

80 mm dia

65 mm dia

Supply, cartage upto site of work & fixing of following fittings etc. complete as per direction of Engineer-In-Charge.

G.M. Wheel valve heavy quality

50 mm dia

40 mm dia

32 mm dia

25 mm dia

20 mm dia

15 mm dia

Supply, cartage and fixing of C.I.D/F Sluice valves/ Reflux valves of class 150 ASA per IS-14846-200 including supply of all labour, material, T&P etc.complete as per direction of Engineer-In-Charge.

80mm dia CID/F Sluice Valve of 150 ASA

65mm dia CID/F Reflux Valve of 150 ASA

Supply & fixing of Bulk Water meter model Woltex class B magnetically coupled pre equiped for remote reading.

Supply, cartage and fixing of C.I. Double acting type Air valves 80 mm dia, including supply of all labour, material, T&P etc.complete.

Suppy of all labour,material, T&P. ect. complete for construction of following type of chambers as per departmental type design and drawing with FPS Bricks.

Sluice Valve chamber (Brick Masonry Type) 1.2 x 1.2 m x 1.2 m in size

Air Valve chamber 1.2 x 1.2 m x 1.2 m in size

Water meter chamber 1.2 x 1.2 m x 1.0 m in size

Wheel Valve chamber .60 x .60m x .60 m in size

Wheel Valve chamber .60 x .60m x .75 m in size

Const. BPT chamber 1.0 x 1.0 m x 1.0 m in size

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement :1.5 coarse sand (zone- III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone- III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design :Inside size 120x90 cm and 90 cm deep including C.I. cover with frame (medium duty) 500 mm internal diameter, total weight of cover and frame to be not less than 116 kg (weight of cover 58 kg and weight of frame 58 kg) :With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 250 mm dia. R.C.C. pipe

Supply of all Materials and construct 150mm S.C drain including supply of all labour T&P etc complete.

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

Random rubble stone masonry in 1:6 cement and local sand mortar for protection work on pipe line, treatment site & where ever required as per site requirement including supply of all materials T&P etc required for proper completion of work as per direction of Engineer-In-Charge.

RR stone masonary laid in dry for protection work on pipe line,where ever required including supply of all material labour T&P etc for completion of work as per direction of Engineer-In-Charge.

Providing & laying PCC 1:2:4 in cement, coarse sand and 20 mm gauge approved stone ballast, including supply of all materials, labour , T&P etc required for construction of Thrust Blocks and other works as per site requirement and direction of Engineer-In-Charge.

Supply of all material, labour, T&P etc. and Construction of R.C.C. Anchor Block interval As per type design and Drawing all complete.

Supply & Fixing Iron Gate with Pillers of Size 3.60m wide (Clear Size) including locking arrangement including Supply of all accessories fixing arrangement in all repect complete.

Construction of boundary wall 1.50 m height above plinth level where ever required as per departmental type design & drawing including supply of all labour material T&P etc complete.

Providing and fixing of Barbed Wire Fencing through angle iron posts around the water works including supply of all material, labour, T&P etc complete as per direction of engineer in charge.

Supply of all labour, material, shuttering, centering, T&P etc. and construct semi sunk RCC circular clear water sump/reservoir on raft foundation as seismic proof design shall be accepted. The free board in the reservoir shall be kept 200 mm with M.S. ladder outside the tank and alluminium ladder inside of the tank, M.S. M.H. cover with locking arrangement, lightning conductor as per electricity rules(for cwrs above 50 kl), water level indicator,supply and fixing of outlet, inlet, over flow and wash out pipes with necessary sluice valves, pipe pieces (including cost of materials) flooring 0.60 M wide apron, painting on tank body vertical pipes, ladder, M.S. M.H. cover, ventilator column etc. complete with approved water proofing (apex) / enamal paint, testing,filling water for testing purpose etc. including supply of vertical pipes and specials, assuming bearing capacity as 8MT/M2.

150.00 Kl capacity clear water Sump at MPS

40.00 Kl capacity clear water Sump at IPS-Ist

60.00 Kl capacity clear water Sump at IPS-IInd

130.00 Kl capacity clear water Sump at TOP CWR

20.00 Kl capacity clear water reservoir

17.50 Kl capacity clear water reservoir

12.50 Kl capacity clear water reservoir

10.00 Kl capacity clear water reservoir

7.50 Kl capacity clear water reservoir

4.00 Kl capacity clear water reservoir

3.00 Kl capacity clear water reservoir

2.00 Kl capacity clear water reservoir

Supply & Fixing of 25 litre capacity M.S Bucket Type Chlorinator of standard size including supply of all labour material T&P etc complete.

Design, Supply of all materials, labour, T&P. etc to construct a water treatment plant (WTP) to treat 0.65 MLD water (Source at Hyul River Near Hyul ghati) 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 (1 units), mixing units, flocculation unit, secondary settling tank (1 units), rapid gravity filter (minimum 2 filter beds), clear water chamber including all piping, valves, RCC back wash tank 40 kl, 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.

RAW WATER

V.T. pump set, discharge (Q) - 450 LPM, Head - 90 Mtrs 1450 rpm.

V.T. Motor for above pump.

M.S.Channel

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

Control Panel suitable for above pumping plant.

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

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

Jointing material such as lugs, tape etc.

Double loop Earthing

63 Amp main switch for receiving power supply from meter board

Supply of main piping and valve comprising of the following.

80 mm dia CS DF sluice valve Class 150 ASA.

80 mm dia C.S D/F Reflex valve of Class 150 ASA.

PIPE & FITTING.

GAUGES(0-20Kg/cm²)

Tools

Supply of spare of starter (Contactor-03 Nos,Over load relay-01 Nos,Timer-02 No)

Chain Pully Block 4.5 Mtrs. Lift, 2 tone capacity withTravelling arrangement and girder fitting.

Fire extinguisher 20 kg.

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

Installation

Commissioning

Testing

At works

At site

Painting

MAIN PUMPING STATION (MPS)

Centrifugal pump set, discharge (Q) -450 LPM, Head - 540 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.

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

70 mm² Cu conductor 1 core submersible cable 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 comprising of the following.

100 mm dia C.I D/F Sluice valve of Class PN 1.0.

80 mm dia CS DF sluice valve Class 600 ASA.

80 mm dia C.S D/F Reflex valve of Class 600 ASA.

PIPE & FITTING.

GAUGES(0-100 Kg/cm²)

Tools

Supply of spare of Starter (Contactor-03 Nos,Over load relay-01 Nos,Timer-02 No)

HOT gantry 3 Tonne With 8 meter span lift capacity with geared travelling trolly with two girder in the pump house.

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

Fire extinguisher 20 kg.

Installation

Commissioning

Testing

At works.

At site.

Painting

INTERMEDIATE PUMPING STATION-I ( IPS - 1)

Centrifugal pump set discharge (Q) - 400 LPM, Head - 490 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.

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

50 mm² Cu conductor 1 core submersible cable of 1.1 KV grade

Jointing material such as lugs, tape etc.

Double loop Earthing

320 Amp 4 pole MCCB for receiving power supply from meter board

Supply of main piping and valve comprising of the following.

100 mm dia C.I D/F Sluice valve of Class PN 1.0.

80 mm dia CS DF sluice valve Class 600 ASA.

80 mm dia C.S D/F Reflex valve of Class 600 ASA.

PIPE & FITTING.

GAUGES(0-100 Kg/cm²)

Tools

Supply of spare of Starter (Contactor-03 Nos,Over load relay-01 Nos,Timer-02 No).

HOT gantry 3 Tonne With 8 meter span capacity 4.5 meter lift capacity with geared travelling trolly with two girder in the pump house.

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

Fire extinguisher 20 kg.

Installation

Commissioning

Testing .

At works.

At site.

Painting

INTERMEDIATE PUMPING STATION-II ( IPS - II)

Centrifugal pump set discharge (Q) - 400 LPM, Head - 335 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.

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

35 mm² Cu conductor 1 core submersible cable of 1.1 KV grade

Jointing material such as lugs, tape etc.

Double loop Earthing

200 Amp main switch for receiving power supply from meter board

Supply of main piping and valve comprising of the following.

100 mm dia C.I D/F Sluice valve of Class PN 1.0.

80 mm dia CS DF sluice valve Class 300 ASA.

80 mm dia C.S D/F Reflex valve of Class 300 ASA.

PIPE & FITTING.

GAUGES(0-56 Kg/cm²)

Tools

Supply of spare of Starter (Contactor-03 Nos,Over load relay-01 Nos,Timer-02 No).

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

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

Fire extinguisher 20 kg.

Installation

Commissioning

Testing .

At works.

At site.

Painting

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 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.

Cost of Power transformer for 11 KV /.433 KV

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

At Intermediate pumping station-I,The capacity of transformer 200 KVA.

At Intermediate pumping station-II,The capacity of transformer 160 KVA.

Cost of supply of HT Panel with one no. Required 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

50 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 of transformers with accessories (without civil works) such as laying of cable in trenches etc.

Commissioning of above transformers Plants .

Testing of transformers at manufacture works.

Testing of transformers at manufacture site.

Cost of fencing of transformers at different stage(upto 200 KVA)

Cost of fencing of transformers at different stage 200-630 KVA.

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 Infiltration well’ M.P.S, I.P.S-I, IPS-II.

MASTER CONTROL STATION

Customized develop version of SCADA software development with unlimited Digital and Analog IO as specified

HP/COMPAQ or Master control station Hardware with latest configuration and Minimum PIV processor, 400 GB HDD, 2 GB RAM, 52 x CDR/DVD, 18.5” LCD/LED/Plasma screen, mouse and key board

Front end Processor at MCS

APC or eq. 0.5 KVA rating UPS

HP laser jet M1005 MFP printer

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

Installation of MCS

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 80 mm dia valve for raw water

Actuator Panels

Hard wired timer circuit for actuators

Pressure transmitter

Auto phase reversal unit -

For Raw Wate, IPS-II (0-40 HP) Raw Water

For MPS & IPS-II, IPS-II,(40-100 HP)

For IPS-I, IPS-II,(100-200 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 80 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.

R K ENGINEERS SALES LTD