Kanda Maikhura GOV Pumping water supply scheme in Block Karanprayag of District Chamoli

Amount

PART- A ( CIVIL WORKS ):- Survey, design, drawing, testing of bearing capacity, hydraulogical, geological survey and construction of water tight circular R.C.C. Dry Intake well cum pump house at the bank of river Alaknanda near Village Jaikandi with R.C.C. approach bridge of approximate 15 m length and 2.5 m width to withstand safely the river current (last 30 year)/ discharge, seismic/wind or all other natural effects and suitable for taking approximate 1.50 MLD raw water discharge(in 16 hours), including supply of all material, labour, T&P etc. required for proper completion of work. Inner diameter of well shall be 6.0 metre. Height of well is approximately 15.0 metre ( from lean water level to 2.0 M above H.F.L. of Alaknanda river at Jaikandi Village) and depth of foundation below G. L. is assumed 6.0 M, which is liable to change according to geo-investigation, structural design and site conditions and HFL of river in last 30 year. Height of pump house will be 4.20 m (including space required for Motors, HT Pannels etc.). Atleast six inlets (on different levels/heights) with a common header should be installed at/above intake floor with stainer to tap river water, pipe arrangement for drazzing pump, M. S. girder 350 mm , sluice valves as required, 1.20 metre wide balcony all arround the well shaft above HFL, doors and windows, pump foundations, internal and external electrification work, painting, distempering and snowsem all inside and outside of well, four layer M. S. railing should be on aproach bridge/balcony with hand realing and there should be 1.0 metre wide spiral stair with hand rail from pump house floor to bottom of intake. The rates should be inclusive of river diversion, all excavation required for well and bridge and dewatering etc. The overall height of intake well is taken approximately 15.70 metre from top of raft foundation to pump house roof top, which will change according to conditions mentioned above. For any increase/decrease in these heights/lengths, rates are shouted below.) The well shoud have all provisions for pumps installation of requaired capacity including all labour material T&P or as directed by Engineer in Charge.

Rate for variation in height of Intak well for increase in height For decrease in heigh

Rate for variation in length of approach bridge of Intak well for increase in height For decrease in heigh

Survey, hydraullic/structural design, drawing, testing of soil bearing capacity, site development, boundry wall (with fencing at top) around MPS and construction of water tight R.C.C. 1.50 MLD Capcity (Raw water in 16 hours) rapid gravity filter treatment plant the design of filter plant has to be done on the CPHEEO manual for water supply and treatment. The filter plant consists of raw water inlet chamber with flow measuring device, pre & post PST, pre sedimentation tank (tube settler) (capable to remove all suspended monsoon impurities of river muddy water for removing maximum turbidity up to 1200 NTU), mixing unit, floculation unit, scondary settling tank, chemical house, laboratory wtih office room, hopper bottom settling tanks ( tube settler), rapid sand filter of four equal units 0.54 mld (Raw water) each with alum doser, bleaching or chlorine mixing doser & back wash arrangements, intake chamber of 1.20mX1.2mX1.00m operation platform, fixing of blower compressor, clear water chamber, approved filter media, 0.60 M wide appron and 15 cm PC drain all around all units, gate/sluice valves and their chambers, discharge measurement at inlet and outlet unit,and all other appurtinent works. Including supply and fixing pipe for proper drainage arrangement upto out side the WTP campus, MSERW pipes for connecting the units, electrification and lighting arrangement inside and outside of operating plateform and filter, tiles flooring, double doors and windows in operating room, painting, distempering and snowsem all inside and outside of WTP, three layer M. S. railing should be on stairs, filter all as required or as directed by Engineer in Charge. The work also include inter connecting RCC inspection path way with hand railing to all unit as per site requirment, MS Jaal to protect water from wild animals and debrish, testing of all supplied maiterials. Including supply of all material, labour, T&P etc. required for proper completion and functioning of WTP. The rates shall be including of running and maintenance for one year including training of Peyjal Nigam staff during running and maintenance period of treatment works including all performance test of clarifier, settler, filters and quality of filtered water as per water supply manual.

Earth work in excavation by mechanical means (Hydraulic Excavator) / manual means in hill side cutting or in foundation, including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. (For all building works works including Site Development, except pipe line trenches)

Confirmatory survey , design, Supply, Carting laying and jointing with welding process with proper grade of electrodes suitable for jointing of water supply pipe line (ador, L&T for equivalent quality of electrodes) by cutting of pipes and making required bends by welding, making necssary conection for pumps and sump cum CWR at MPS & all IPS, fixing of air valve, sluice valve, reflux valve at suitable points including making scouring arrangement by fixing tee and gate valve etc with all appurtenat works with testing of supplied maiterials and completion of work with testing of pipe line etc completed following sizes API 5L Grade- X-42 Grade pipe at site of work. (The contractor have to survey the site, take levels with total station, measure the length of pipe with metallic tape on prescribed alignment and submit the design of rising main/supply main & distribution main for checking of thickness of pipe before ordering for supply of pipe). On completion of work the laid length of pipe will be deemed eligible for supply. The respective amount for quantity of surplus supply of pipes (which remained unlaid or unutilized) will be deducted from final bill and surplus quantity of pipes will be the property of contractor.)

150 mm dia and 3.2 mm thick (Intake well I to MPS)

125 mm dia and 5.60 mm thick (MPS to IPS I&II)

125 mm dia and 6.60 mm thick (IPS II to Top CWR)

125 mm dia and 4.80 mm thick (IPS II to Top CWR)

Supply and fixing of the following fitting including cartage of materials labour T&P etc. complete.

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

150 mm dia CS Sluice Valve (P.N. 1.6).

CI air valve Double acting. 80mm dia

Constructing masonry Chamber 120x120x120 cm, for Reflux/sluice/air valve, with C.I. surface box 100 mm. as per standard design. with locking arrangement.

Supply of all materials, labours, T&P etc complete & construction of 0.6x0.6x0.6m size gate valve chamber with FPS Brick

Supply of all materials, labours, T&P etc complete & construction of 0.6x0.6x0.75m size wheel valve chamber with FPS Brick

Painting of following sizes API Pipes with 2 coats of approved quality. (Anti-Corrosive paint over one coat of Primer)supply and cartage of all material, Labour and T&P etc, complete

125 mm dia

150 mm dia

Supply of all materials, labours, T&P etc and construct of 2.0 M wide briddle path along the alignment of rising main for cartage of rising main and later on for effective maintenance including R. R. Dry masonry in Retaining or brest wall (as and where required, as per site requirement) .

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

Subsoil Investigation, drawing, design and construction of following capacity RCC semi sunk reservoir, including testing and commissioning for water tightness, cost of all pipes/fittings etc. required for inlet/outlet/washout/byepass, excavation for foundation, 0.60 M wide appron with 15 cm PC drain, required sluice valve chamber, fixing water level indicator, lighening arrester, fixing 03 rowse railing at top dome (20 Kl & above), MS ladder (inside and outside of CWR), MS manhole with locking arrangement, ventilator with mosquito net, two coat snowcem/distemper/painting. carting & supply of scafolding & shuttering, making supply and cartage of all material, Labour and T&P etc, complete. (Cap. in KL)

ACTARIS Bulk Water Meters model Woltex Class B magnetically coupled pre equipped for remote reading

125mm dia

150mm dia

Constructing masonry Chamber 120x120x100 cm, inside with 75 class designation brick work in cement mortar 1:4 (1 cement :4 coarse) for Bulk water meter with C.I. surface box 100 mm. as per standard design. with locking arrangement.

Supply & fixing of MS Bucket type chlorinator of 25 liter Capacity including cartage of material, labour T & P etc complete

Supply carting , laying true to aligment and gradient, jointing and fixing of following pipe lines including all specials fittings and other appurtenant works including connecting existing house hold Connections with control plate devices etc complete and proper functioning ,confirming to IS:1239 at site of works

G I PIPE (Medium)

15mm dia

20mm dia

25mm dia

32mm dia

40mm dia

50mm dia

65mm dia

G I PIPE (HEAVY)

25 mm dia

Earth work in excavation by mechanical means (Hydraulic Excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. For pipe line in following strata including supply of labour, T&P. etc complete. Assuming that 90% pipe line is laid in trenches, it is estimated that 75% excavation will be in soil mixed with shingle, bajri & boulders and rest 25% will be in medium rock.

Soil mixed with boulder and bajri

Medium rock

Supply and fixing of the following fittings including cartage of materials, labours, T&P etc complete gate/Wheel valves (Class-I) as per I S 788/1997

20mm dia

25mm dia

32mm dia

40mm dia

50mm dia

65mm dia

Supply of all materials, labour, T&P etc and making ferul connection to provide F H TC to the consumers under JJM complete

Supply of all materials, labour, T&P etc and construct of BPT as per type a design & drawing including fixing of pipe of fitting including cartage of materials etc. complete

Supply of all materials, labour, T&P etc and construct earthquake/vibration resistant, Pump house at having size 7.00 x 5.00 x 4.50 M. Including drawing, design, testing of soil bearing capacity, pump foundation et complete. Also including excavation for foundation, supply & fixing 01 rolling shutters, glazed windows, ventilator, 0.60 M wide sunshades, arrangement to support girders,girders, CC flooring, cable trench, electrification works, 0.60 M wide appron with drain, 0.60 M wide slab projection and two coat .snowcem/distemper/painting and proper drainage system.or as directed by Engineer in Charge. At MPS, IPS-I & IPS-II

Design, testing bearing capacity of soil for construction of Staff Quarter of following type made up of Brick masonry with R.C.C. flat roof at each pumping station i.e. MPS, IPS and other appurtenant works as per approved design & drawing including proper arrangements of electrification work at inner and outer side, complete sanitory works as per requirements & supply of all materials, labour, T&P etc. complete.

Provision of 1.5 m high Boundary Wall in brick masonry including supply of all materials, labour, T&P etc. complete at MPS, IPS-I, IPS-II, IPS-III & Top CWR

Provision of Barbed Wire Fencing through angle iron posts around the water works site including supply of all materials, labour, T&P etc. complete at MPS, IPS-I, IPS-II, IPS-III & Top CWR

Provision of 3.6 m wide Iron Gate with construction Pillars at MPS, IPS-I, IPS-II, IPS-III & Top CWR

Provision of Drainage System consisting of following works -

Main hole Chamber

Supply & laying of drainage 250 mm dia. RCC NP2 pipe

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

R.R. Stone masonary with 1:6 cement and sand mortar including cartage and supply of all materials,labours,T&P etc. complete for proper completion of work.

R.R.Stone masonry laid in dry including cartage and supply of all materials,labours,T&P etc. required for proper completion of work.

Concrete with 2 Cm gauge stone ballast, local sand and cement in proportion of 1:2:4 in foundation and floors including supply of all materials, labour and T&P etc.required for proper completion of work.

E& M WORKS FOR KANDA MEKHURA G.O.V. WATER SUPPLY SCHEME RAW WATER

Supply of Raw water centrifugal pump 900 lpm discharge 90 Mtr. head suitable to run in raw water,

TEFL motor electric motor 3 phase 415 volt, 1450 rpm,

Supply of MS sheet fabricated, dust & vermin proof cubical floor mounting type control panel made out from 14 SWG MS sheet, copper bus bars, having 1 no. incoming and 2 nos. outgoing .

Supply of full automatic auto transformer starter.

Supply of power wiring material such as 35 sq.mm. 3½ Core armouned, Aluminium conductor XLPE insulated cable.

Supply of power wiring material such as 16 sq.mm. 3.00 Core copper conductor armouned XLPE insulated cable.

Jointing material for wiring connection including lugs, thimble, insulation tapes, nutt bolts etc.

Double loop earting of all electrical equipments with supply of material such as G.I. earth strip, earth plate, G.I. funnel, charcoal, Salt, watering pipe etc. including digging of pits and refilling complete.

Supply of main piping & valves.

Supply of a set of pressure gauges 0-20 Kg/Cm2 complete with control cocks and nipples including all necessary fittings etc.

Supply of chain pulley block with traveller 2 Ton capacity with 20 mtr. lift chain for Intake well.

Tools -

Rubber Insulation sheet 2.0m x 1.0 m x 25mm thick.

Installation commissioning & testing of pumping plant and setting to work of entire equipment including pumps, motors, control panel and power wiring etc complete.

Painting

Testing of pumping plant

a. At work

b. At site

FOR MPS

Supply of electric driven multi-stage horizontal clear water centrifugal pumps with bronze impellers, stainless steel shaft capable to deliver clear water 850 LPM discharge at 490 Mt. head, 2900 r.p.m.

Supply of M.S. fabricated base plate and coupling for above pumps & motors.

Supply of horizontal shaft TEFC electric motors suitable to run on 415 + 10% volts, 3 phase, 50 Hz. A.C. supply and 2900 r.p.m.

Supply of MS sheet fabricated, dust & vermin proof cubical floor mounting type control panel made out from 14 SWG MS sheet, copper bus bars, having 1 no. incoming and 2 nos. outgoing .

Supply of fully automatic auto transformer type starter suitable for above motors having airbreak contactors, electronic timer, thermal over load relay, adequate size Aluminum bus bars, copper wound auto transformer and duly wired by copper leads/ wire, lugs, ON/OFF and reset switches and indicators etc. complete in all respects.

Earthing with copper earth plate 600x600x3 mm thick including ass. and providing masonary encloser with cover plate having lock arragement with coke and salt as required

Supply of power wiring material such as 70 sq.mm. 3½ Core copper conductor cable XLPE insulated cable for power wiring between the control panel and starter to motor. (For Two Runs)

Supply of power wiring material such as 300 sq.mm.3½ Core aluminum conductor cable XLPE insulated, cable for power wiring between Power transformer and control panel.- 30 Mtr.

Jointing material for wiring connection including lugs, thimble, insulation tapes, nutt bolts etc.

Double loop earting of all electrical equipments with supply of material such as G.I. earth strip, earth plate, G.I. funnel, charcoal, Salt, watering pipe etc. including digging of pits and refilling complete.

Supply of main piping & valves .

Supply of a set of pressure gauges (0-100) Kg/Cm2 complete with control cocks and nipples including all necessary fittings etc.

Supply of lifting tackle with H.O.T gantry crane 5 Ton 8 m span capacity with 4.5 mtr. lift chain complete.

Tools -

Rubber Insulation sheet 2.01m x1.0m x 25mm thick.

Installation and setting to work of entire equipment including pumps, motors, control panel , starter and power wiring etc.

Commissioning of pumping plant at site.

Testing of pumps.

At works.

At Site.

Painting

FOR IPS-I

Supply of electric driven multi-stage horizontal clear water centrifugal pumps with bronze impellers, stainless steel shaft capable to deliver clear water 850 LPM discharge at 490 Mt. head, 2900 r.p.m.

Supply of M.S. fabricated base plate and coupling for above pumps & motors.

Supply of horizontal shaft TEFC electric motors suitable to run on 415 + 10% volts, 3 phase, 50 Hz. A.C. supply and 2900 r.p.m.

Supply of MS sheet fabricated, dust & vermin proof cubical floor mounting type control panel made out from 14 SWG MS sheet, copper bus bars, having 1 no. incoming and 2 nos. outgoing .

Supply of fully automatic auto transformer type starter suitable for above motors having airbreak contactors, electronic timer, thermal over load relay, adequate size Aluminum bus bars, copper wound auto transformer and duly wired by copper leads/ wire, lugs, ON/OFF and reset switches and indicators etc. complete in all respects.

Earthing with copper earth plate 600x600x3 mm thick including ass. and providing masonary encloser with cover plate having lock arragement with coke and salt as required

Supply of power wiring material such as 70 sq.mm. 3½ Core copper conductor cable XLPE insulated cable for power wiring between the control panel and starter to motor Double run

Supply of power wiring material such as 300 sq.mm.3½ Core aluminum conductor cable XLPE insulated, cable for power wiring in between Power transformer and control panel.

Jointing material for wiring connection including lugs, thimble, insulation tapes, nutt bolts etc.

Double loop earting of all electrical equipments with supply of material such as G.I. earth strip, earth plate, G.I. funnel, charcoal, Salt, watering pipe etc. including digging of pits and refilling complete.

Supply of main piping & valves .

Supply of a set of pressure gauges (0-56) Kg/Cm2 complete with control cocks and nipples including all necessary fittings etc.

Supply of lifting tackle with H.O.T gantry crane 5 Ton 8 m span capacity with 4.5 mtr. lift chain complete.

Tools -

Rubber Insulation sheet 2.01m x1.0m x 25mm thick.

Installation and setting to work of entire equipment including pumps, motors, control panel , starter and power wiring etc.

Commissioning of pumping plant at site.

Testing of pumps.

At works.

At Site.

Painting

FOR IPS-II

Supply of electric driven multi-stage horizontal clear water centrifugal pumps with bronze impellers, stainless steel shaft capable to deliver clear water 800 LPM discharge at 550 Mt. head, 2900 r.p.m.

Supply of M.S. fabricated base plate and coupling for above pumps & motors.

Supply of horizontal shaft TEFC electric motors suitable to run on 415 + 10% volts, 3 phase, 50 Hz. A.C. supply and of 250 H.P. (185 KW) 2900 r.p.m.

Supply of MS sheet fabricated, dust & vermin proof cubical floor mounting type control panel made out from 14 SWG MS sheet, copper bus bars, having 1 no. incoming and 2 nos. outgoing.

Supply of fully automatic auto transformer type starter suitable for above motors having airbreak contactors, electronic timer, thermal over load relay, adequate size Aluminum bus bars, copper wound auto transformer and duly wired by copper leads/ wire, lugs, ON/OFF and reset switches and indicators etc. complete in all respects.

Earthing with copper earth plate 600x600x3 mm thick including ass. and providing masonary encloser with cover plate having lock arragement with coke and salt as required

Supply of power wiring material such as 70 sq.mm. 3½ Core copper conductor cable XLPE insulated cable for power wiring between the control panel and starter to motor.

Supply of power wiring material such as 400 sq.mm.3½ Core aluminum conductor cable XLPE insulated, cable for power wiring in between Power transformer and control panel.

Jointing material for wiring connection including lugs, thimble, insulation tapes, nutt bolts etc.

Double loop earting of all electrical equipments with supply of material such as G.I. earth strip, earth plate, G.I. funnel, charcoal, Salt, watering pipe etc. including digging of pits and refilling complete.

Supply of main piping & valves comprising of the followings :-

Supply of a set of pressure gauges (0-100) Kg/Cm2 complete with control cocks and nipples including all necessary fittings etc.

Supply of lifting tackle with H.O.T gantry crane 5 Ton 8 m span capacity with 4.5 mtr. lift chain complete.

Tools -

Rubber Insulation sheet 2.01m x1.0m x 25mm thick.

Installation and setting to work of entire equipment including pumps, motors, control panel , starter and power wiring etc.

Commissioning of pumping plant at site.

Testing of pumps.

At works.

At Site.

Painting

DISTRIBUTION TRANSFORMER AND HT PANEL.

Cost of distribution transformer copper wound, 11 KV/ 0.433 KV with first filling of transformer oil, and complete accessories Outdoor type.

M.P.S 500 KVA

IPS -I 500 KVA

IPS -II 500 KVA

Cost of Internal electrification of pump houses, and campus at different pumping stations including campus street light.

Intake well

M.P.S, IPS-I & IPS- II for CWR

Cost of S.I.TC of H.T Panel with VCB 01 No & 2 nos Load break switches.

Cost of earthing of H.T Panel

Cost of earthing for transformers with G.I earth plate 600mm x 600 mm x 6 mm including accessores and providing masonary enclosures with providing and fixing 25 mm x 5 mm G.I stri on surface for connection with charcoal, salt as required. ( 01 no. earthing)

Supply, fixing and testing of HT cable Jointing kit outdoor type

Cost of installation and testing of transformers.

Cost of fenching of transformer

Supply if 70 mm sq. H.T. alumuniam armoured cable

AUTOMATION WORKS:- INTAKE WELL

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 for RTU’s.

Intelligent Energy meters suitable for automation.

Valve Actuator for 200 mm dia valve.

Actuator Panel

Hard wired timer circuit for actuator

Auto phase reversal unit for Raw water, Intake well. 0-40 H.P.

Pressure Transmitter

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

Electromagnetic Flow meter for line sizes of Automata/E&H/NIVO/eq. Make of 150 mm NB size with local electronics (display and set point facility) and 4-20 m A) retransmission output to SCADA. (for Intake well)

Single cabling between RTU and field instruments, 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.

FOR MPS, IPS-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 (RTU’s shall be integrated with the starter panel).

GSM based wireless communication hardware for RTU’s.

Intelligent Energy meters suitable for automation.

Valve Actuator for 150 mm dia valve.

Actuator Panel

Hard wired timer circuit for actuator

Auto phase reversal unit for IPS-II 250 H.P.

Auto phase reversal unit for MPS & IPS-I 220 H.P.

Pressure Transmitter

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

Electromagnetic Flow meter for line sizes of Automata/E&H/NIVO/eq. Make of 150 mm NB size with local electronics (display and set point facility) and 4-20 m A) retransmission output to SCADA. (for M.P.S)

Electromagnetic Flow meter for line sizes of Automata/E&H/NIVO/eq. Make of 150 mm NB size with local electronics (display and set point facility) and 4-20 m A) retransmission output to SCADA. for IPS- Ist, IPS- Ist

Single cabling between RTU and field instruments, 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.

OPERATION & MAINTENANCE

After testing & comissioning of scheme running & maintenance of scheme by running pumping plant for 16hrs 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. (For Intake well, M.P.S, I.P.S-I & I.P.S-II, for six months.

(i) Intake well

(ii) M.P.S

(iii) I.P.S - 1

(iv) I.P.S - II

M/s Kashmirilal Constructions Pvt. Ltd.