Design and Construction of Devprayag Pumping Water Supply Scheme including all Civil and E M Works

Amount

Providing of all materials, Carting from site store to site of work, Lowering into trenches with true to alignment, Laying ofAPI X 56 Pipes grade ointing by electric welding process with proper grade of jeletrodes suitable for jointing of water supply pipe lines (Ador,L&T or equivalent electrodes) by cutting of pipes and making required bends by welding, completion of work with testing of

125mm Dia 4.8mm thick.

Supply, cartage, lowering them in to the trenches, laying true to alignment and gradient, jointing and fixing with pipe line including cutting and threading making up lengths as required for proper completion of work with the following fittings including cartage of materials, labours, T&P etc complete.

Reflex valve (High head cast steel, ASA 300 Class)

High head cast steel Scur / Sluice valve, ASA 300 Class

High head cast steel Isolation valve, ASA 300 Class

Providing of all materials, Carting from site store to site of work, Lowering into trenches with true to alignment, Laying of MSERW Pipes grade Yst 210, confirming to IS: 1978 - 1982, ointing by electric welding process with proper grade of jeletrodes suitable for jointing of water supply pipe lines (Ador,L&T or equivalent electrodes) by cutting of pipes and making required bends by welding, completion of work with testing of

65mm Dia 4.8mm thick

80mm Dia 4.8mm thick

100mm Dia 4.8mm thick

125mm Dia 4.8mm thick

150mm Dia 4.8mm thick

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 confirming to IS:1239 at site of works

G.I. Pipe Medium

15 mm dia

20 mm dia

25 mm dia

32 mm dia

50 mm dia

By welding

65 mm dia

Supply and fixing of the following fittings including cartage of materials, labours, T&P etc complete

Wheel valves (Class-I) as per I S 788/1997

15 mm dia

20 mm dia

25 mm dia

32 mm dia

40 mm dia

50 mm dia

65 mm dia

80 mm dia

100 mm dia

125 mm dia

150 mm dia

CI air valve W.P. = 30 Kg/cm2

Air valve 20 mm dia

Making connection with the existing M.S. Galvanised mains of upto 25mm nominal dia, including cutting and threading of pipe, bailing out water, fixing of bib cock , if required, specials and testing etc. complete, but excluding cost of insertion pipes and specials besides boring out (and also subsequent back fill) existing main. (15mm-25mm)

Supply and fixing Bulk water meter 125 mm Dia

Supply and fixing Domestic water meter AMR 15 mm Dia

Constructing masonry Chamber1.20x1.20x1.0 cm, inside with 75 class designation brick work in cement mortar 1:4 (1 cement :4 coarse sand) for sluice/air valve, with C.I. surface box 100mm. as per standard design.

Supply of all materials, labour, T & P etc and construction of Wheel Valve/ Water meter chamber as per type, design 1.2x1.2.1.0m

Supply of all materials, labour, T & P etc and construction of Air Valve chamber as per type, design

Supply of all materials, labours, T&P etc and construct anchor blocks as per type design complete ( Size 1.0x1.0x1.0M)

Supply of all materials, labours, T&P etc and construct of briddle path along the alignment of rising main for cartage of rising main and later on for effective maintenance.

R. R. Stone masonry in 1:6 cement and local sand mortar for protection works on all structures and pipe line.

R. R. Dry masonry for protection works on all structures and pipe line.

PCC Nominal mix 1:2:4 (Hand mixed) Plain/reinforced cement concrete in substructure complete as per drawings and technical specification

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

Clear Water Reservoir rates

Pump house at I.P.S I having size 7.00 x 5.00 M as per design & drawing including cost of all material labour, cartage and T&P etc all complete.

Supply of all materials labour T&P etc and construct Type-I residances for care takers / operators or chaukidars for effactive operation and maintenance of the scheme and pumps etc. as per type design and drawing complete. At M.P.S.- 2

Provision for boundry wall or such other work all round the pumping stations for preventing approach of unathourised souls. (Except M.P.S.,sumps)

P.C.C. 1:2:4 with necessary centering and shuttering for foundation of transformer.

P.C.C. 1:4:8 including supply of all material, labour T&P etc complete.

Supply of all material, labour T&P and construction of cable trench from transformer to pump house.

Supply & cartage of all required materials and construction of pillar and fixing of MS gate.

Supply of all material, labour, T&P etc. and all the equipment to construct 1.50 mld. Capcity rapid gravity treatment plant consisting of two equal units of presedimentation tank, mixing unit, floculation unit, hopper bottom settling tanks, rapid sand filter of two equal units 0.75 mld each with alum doser & back wash arrangements. of 1.50 MLD

Provision for boundry wall or such other work all round the stations for preventing approach of unathourised souls. At M.P.S.

Supply and fixing of 3.60m wide iron gate

05 Years Operation & Maintenance of Scheme and Handing over

E/M Works

Supply, Installation & commissioning of Pumping plants & accessories as follows (FOR RAW WATER)

Electric driven horizontal split casing centrifugal Raw water pump capable of delivering 550 lpm discharge against a total head of 86 mt complete withbase frame, coupling and coupling guards.

Electric motor squirrel cage,TEFC type, 1450 rpm suitable to operate on 415+/- 10% volts, 3 phases 50 c\s AC supply.

Fully automatic air cooled auto transformer starter suitable to control above motor with over load and under voltage protections.

MS sheet steel fabricated dust and vermin proof cubical type floor mounting control panel made out of 14/16 SWG MS sheet copper bus bar complete with followings:

INCOMING 1 NO.

MCCB 200 A complete with protections - 1 No.

100 mm dial Frequency meter - 1 No.

100 mm dial PF meter - 1 No.

Phase indicating lamps complete with instrument, fuses and toggle switch - 1 Set.

On\off indicator - 1 Set.

KWH meter - 1 No.

IDMT relay -1 No.

Danger Plate - 1 No.

32 Amps. MCB switch for light and Fan -3 Nos.

OUT GOING - 2 Nos (each consisting of following :-)

MCCB 100 A, complete with protections - 1 No.

LT power capacitors of suitable rating-1 No.

Single phasing preventor - 1 No.

Earth Fault Relay - 1 No.

Hour Counter Meter - 1 No.

Indicating Lamp - 3 Nos.

Power wiring and earthing material.

Complete power wiring to carry out wiring from Transformer to pump house control panel to starters to motors as below

120 mm2 size 3.5 core aluminium conductor armoured/unarmoured XLPE sheathed cable of 1.1 KV grade. (multi run)

35 Sq mm, PVC insulated 3 core flat submersible cable with lugs & Jointing material.

Jointing material

Complete double loop GI earthing with material such as earth plate, earth strips, coal, salt etc as required as per IE rules. at site.

MAIN PIPING AND VALVES :- comprises of SITC of followings :-

SUCTION SIDE

Cast steel sluice valve 125 mm size of class 125 ASA- 2 Nos.

MS DF bend 900 x 150 mm- 2 Nos.

MS DF taper size pump inlet size x 125 mm - 2 Nos.

MS DF pipe, 125 mm size in suitable length - as per requirement.

M.S. flange 125 mm size - as per requirement.

DELIVERY SIDE

Cast steel sluice valve 100 mm size of class 150 ASA- 2 Nos.

Cast steel reflux valve 100 mm size of class 150 ASA - 2 Nos.

MS DF enlarger/taper pump out let size x 100 mm- 2 Nos.

MS DF bend 900 x 100 mm- 4 Nos.

MS A\F radial Tee size 100 mm x 100 mm x 100 mm -2 Nos.

Blind flange 100 mm size -1 No.

MS DF distance piece, 100 mm size in suitable length - 01 set

M.S. flange 100 mm size - as per requirement

Nut, bolts, rubber\fiber packing for jointing above pipes and specials - 1 set.

By-Pass Arrangement

125 mm dia cast steel D/F Sluice valve with hand wheel-150 ASA - 2 Nos.

125 mm dia cast steel D/F Reflux valve -150 ASA - 1 No.

MS A\F radial Tee size 100 mm x 100 mm x 100 mm- 1 No.

Guages. Each Set Consist following items-

Pressure guage with control cock and fittings of range 0-20 kg/cm2 - 1 No

Compound guage with control cock and fittings of range 0- (+/-) 1 kg./cm2 -1 No

Heavy duty brass control cock, MS nipple,pipe,elbow etc.- 1 Set

Tools such as spanner set, pliers, hammers, screw drivers,wrench, crimping tools, bearing pullers etc. required for maintenance of pumping plants.

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

HOT crane of 3 Tonne capacity, including gantry, girder, cross girder, chainpulley block etc as required.

Testing of pumping plants(i.e. pumps , motors and control panel) against guaranteed figures of schedule 'E'

At works and site

Dismantling of all installed pumping plant material from existing pumphouse and making alternate arrangement for water supply as per direction of Engineer- in- charge.

Supply, Installation & commissioning of Pumping plants & accessories as follows (FOR intermediate raw water)

Electric driven horizontal split casing centrifugal Raw water pump capable of delivering 550 lpm discharge against a total head of 117 mt complete with base frame, coupling and coupling guards.

Electric motor squirrel cage,TEFC type, 1450 rpm suitable to operate on 415+/- 10% volts, 3 phases 50 c\s AC supply.

Fully automatic air cooled auto transformer starter suitable to control above motor with over load and under voltage protections.

MS sheet steel fabricated dust and vermin proof cubical type floor mounting control panel made out of 14/16 SWG MS sheet copper bus bar complete with followings:

INCOMING 1 NO.

MCCB 200 A complete with protections - 1 No.

100 mm dial Frequency meter - 1 No.

100 mm dial PF meter - 1 No.

Phase indicating lamps complete with instrument, fuses and toggle switch - 1 Set.

On\off indicator - 1 Set.

KWH meter - 1 No.

IDMT relay -1 No.

Danger Plate - 1 No.

32 Amps. MCB switch for light and Fan -3 Nos.

OUT GOING - 2 Nos (each consisting of following :-)

MCCB 100 A, complete with protections - 1 No.

LT power capacitors of suitable rating-1 No.

Single phasing preventor - 1 No.

Earth Fault Relay - 1 No.

Hour Counter Meter - 1 No.

Indicating Lamp - 3 Nos.

Power wiring and earthing material.

Complete power wiring to carry out wiring from Transformer to pump house control panel to starters to motors as below

120 mm2 size 3.5 core aluminium conductor armoured/unarmoured XLPE sheathed cable of 1.1 KV grade. (multi run)

35 Sq mm, PVC insulated 3 core flat submersible cable with lugs & Jointing material.

Jointing material

Complete double loop GI earthing with material such as earth plate, earth strips, coal, salt etc as required as per IE rules. at site.

MAIN PIPING AND VALVES :- comprises of SITC of followings :-

SUCTION SIDE

Cast steel sluice valve125 mm size of class 150 ASA- 2 Nos.

MS DF bend 900 x 125 mm- 2 Nos.

MS DF taper size pump inlet size x 125 mm - 2 Nos.

MS DF pipe, 125 mm size in suitable length - as per requirement.

M.S. flange 125 mm size - as per requirement.

DELIVERY SIDE

Cast steel sluice valve 100 mm size of class 150 ASA- 2 Nos.

Cast steel reflux valve 100 mm size of class 150 ASA - 2 Nos.

MS DF enlarger/taper pump out let size x 100 mm- 2 Nos.

MS DF bend 900 x 100 mm- 4 Nos.

MS A\F radial Tee size 100 mm x 100 mm x 100 mm -2 Nos.

Blind flange 100 mm size -1 No.

MS DF distance piece, 100 mm size in suitable length - 01 set

M.S. flange 100 mm size - as per requirement

Nut, bolts, rubber\fiber packing for jointing above pipes and specials - 1 set.

By-Pass Arrangement

125 mm dia cast steel D/F Sluice valve with hand wheel-150 ASA - 2 Nos.

125 mm dia cast steel D/F Reflux valve -150 ASA - 1 No.

MS A\F radial Tee size 100 mm x 100 mm x 100 mm- 1 No.

Guages. Each Set Consist following items-

Pressure guage with control cock and fittings of range 0-20 kg/cm2 - 1 No

Compound guage with control cock and fittings of range 0- (+/-) 1 kg./cm2 -1 No

Heavy duty brass control cock, MS nipple,pipe,elbow etc.- 1 Set

Tools such as spanner set, pliers, hammers, screw drivers,wrench, crimping tools, bearing pullers etc. required for maintenance of pumping plants.

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

HOT crane of 5 Tonne capacity, including gantry, girder, cross girder, chainpulley block etc as required.

Testing of pumping plants(i.e.pumps, motor and control panel) against guaranteed figures of schedule 'E'

At works and at site

Transformers

Cost of S.I.T.C. of transformers at different pumping stations including carting etc.

Raw Water - 100 KVA

Intermdeate Raw Water - 200 KVA

Testing of transformers at manufacturer's works

Supply and laying of 70 mm2, Al. conductor, 3 core PVC sheathed XLPE armoured HT cable

HT Cable jointing kit

Indoor type

Outdoor type

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

Cost of fencing of transformers

Automation

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 i5 processor, 1 TB HDD and 500GB SSD, 8 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 or eq. 600 DPI inkjet color printer(all in one with wireless printing option)

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

S.I.T.C. of following Items and Customization of Software & Integration with the existing SCADA Station (For raw water )

GSM BASED REMOTE TERMINAL UNIT 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

Energy meters suitable for automation

Valve autuator for 100 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)

Cabling Work

Signal 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

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

Customization of software & Integration with existing SCADA Station

S.I.T.C. of following Items and Customization of Software & Integration with the existing SCADA Station(For Intermediate Raw water)

GSM BASED REMOTE TERMINAL UNIT 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

Energy meters suitable for automation

Valve autuator for 100 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)

Cabling Work

Signal 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

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

Customization of software & Integration with existing SCADA Station