GAHALI GOV Pumping Water Supply Scheme

Amount

Supply of all materials, labour, T&P, diversion of river water making coffer dam, dewatering, foot bridge etc required for construction of one no circular water tight RCC wet intake well of 6.00 m internal dia & 16.00 m height with Pump house 4.00 m height (Total 20.00 m) 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 6.00 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 400 LPM discharge and pumping head 125 mtrs V.T. 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 8.00 x 7.00 x 5.00 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 Type-Ist Staff quarter at TOP CWR for Chaukidar as per deptt. design & drawing in FPS Bricks as per direction engineer in charge.

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, 3.20 mm thick

65 mm dia, 4.00 mm thick

50 mm dia, 3.90 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

20 mm dia

25 mm dia

32 mm dia

40 mm dia

50 mm dia

Providing, laying and jointing of 15 mm dia sizes GI (M) class pipe including cutting, threading, testing and specials etc complete for makig house hold connections.

Supply of all materials,labours fixing bib cock of approved quality, T.&P. etc.to provide FHTC connections to the consumers.

Supply of all materials,labours , T.&P. ,brass ferrule of approved quality etc.to provide FHTC connections to the consumers.

Supply of all materials,labours, T.&P. etc.for connection of brass ferrule to provide FHTC connections to the consumers.

Dismantling & Relaying 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

Supply, cartage upto site of work & fixing of following fittings including F.O.R. destination and taxes and insurance 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

Supply, cartage and fixing of C.I.D/F Sluice valves/ Reflux valves including supply of all labour, material, T&P etc.complete as per direction of Engineer-In-Charge.PN 1.6

80mm dia CID/F Sluice Valve of 150 ASA

65mm dia CID/F Sluice Valve of 150 ASA

50mm dia CID/F Sluice Valve of 150 ASA

80mm dia CID/F Reflux Valve of 150 ASA

65mm dia CID/F Reflux Valve of 150 ASA

50mm dia CID/F Reflux Valve of 150 ASA

Supply, cartage and fixing of C.I. type Air valves 20 mm dia, including supply of all labour, material, T&P etc.complete.

Supply of all materials, labour T&P and construction of the following chambers as per valves as per approved drawing.

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

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

Air Valve chamber 0.45 mx 0.45 m x 0.60 m in size

Wheel Valve chamber .45m x ..45m x .60 m in size

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

Supply of all labour, materials, T&P etc and construction of anchor block of size (1.25X1.25X1.25)m along the alignment of raw water rising main with RR stone masonary in 1:4 cement and sand mortor.

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

50 mm dia

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

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 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 Raw Sump at MPS

135.00 Kl capacity clear water Sump at MPS

50.00 Kl capacity clear water Sump at IPS

85.00 Kl capacity clear water Sump at TOP CWR

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

5.00 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

Design, Supply of all materials, labour, T&P. etc to construct a water treatment plant (WTP) to treat 0.30 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 4.00 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.

Random Rubble Stone Masonry laid Dry, in breast walls, retaining walls, etc. including supply of all material, labour, T&P and royaltiies etc. complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203 of MORD Specification.

Random Rubble Stone Masonry laid in 1:6 cement and sand mortar, brest walls,retaining walls, parapets,scuppers, etc. including supply of all material, labour, T&P and royaltiies etc. complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203 of MORD Specification.

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Intake Well - V.T. Pump suitable to operate in raw water ( 400 LPM Discharge 95 meter 1450 rpm)

VHS electric motor suitable to run above pump.

Starter

Control Panel

1x3x16 sq.mm submersible flat copper cable.

1x3.5x50 sq.mm Aluminum armoured cable.

Earthing as per requirement

Jointing materials such as lugs, tapes etc. as required.

Main piping & valves as per site requirement

Tools as per site requirement

2 Tone, 25 Mt. Lift capacity chain pulley block with travelling arrangements complete.

Rubber resistance sheet of size 1m x 2m x 0.025m

Installation & Commissioning of above Pumping Plants .

Testing of Pumps At works

Testing of Pumps At Site

MPS - Centrifugal pumps (400 LPM discharge at 500 Mts. head.)

Electric motor suitable to run above pumps

Base Plate

Starter

Control Panel

150 mm² 3½ core Al Conductor Armoured PVC Sheathed cable of 1.1 KV grade.

50 mm² 3 core, Cu Submersible cable 1.1 KV grade.

Jointing materials

Earthing as per requirement

Main piping & valves as per site requirement

Pressure Gauge

Tools as per site requirement

HOT Crane as per site requirement

Rubber resistance sheet of size 1m x 2m x 0.025m

Installation & Commissioning of above Pumping Plants .

Testing of pumps At works

Testing of pumps At Site

IPS- Centrifugal pumps (300 LPM discharge at 305 Mts. Head)

Electric motor suitable to run above pumps

Base Plate

Starter

Control Panel

32 amp 4 pole MCCB for light & fan

95 mm² 3½ core Al Conductor Armoured cable.

25 mm² 3 core, Cu Submersible cable 1.1 KV grade.

Jointing materials

Earthing as per requirement

Main piping & valves as per site requirement

Pressure Gauge

Tools as per site requirement

HOT Crane as per site requirement

Rubber resistance sheet of size 1m x 2m x 0.025m

Installation & Commissioning of above Pumping Plants .

Testing of Pumps At works

Testing of pumps At Site

Transformer- 250 KVA

Transformer -100 KVA

Internal & External electrification (Intake well, M.P.S & IPS- I )

H.T Panel with VCB 01 No & 2 nos Load break switches. (For MPS)

Earthing as per requirement

HT cable Jointing kit outdoor type / Indoor type

Fencing of transformer

3 Core, 70 mm sq. H.T. alumuniam armoured cable

Automation - GSM based remote terminal units with Analog and Digital Parameter and features as specified to store and transmit data on GSM backbone to LMS (RTU’s shall be integrated with the starter panel).

GSM based wireless communication hardware.

Intelligent Energy meters.

Valve Actuator for 80 mm dia valve.

Actuator Panel

Hard wired timer circuit for actuator

Pressure Transmitter

Level transmitter of 10 mt range

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

Over voltage and under voltage trip protection

Electromagnetic Flow meter for line sizes of 80 mm NB size

2 Core x 1.5 sqmm PVC coated flexible screened cable.

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

10C x 1.5 sq mm PVC coated flexible unsreened Cu cable.

Conduit pipe 1” PVC

Conduit pipe 1.5” PVC

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

Erection commissioning of all instruments and customization of software.

O&M- As per site requirement

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