SPL REPAIR OF WATER TREATMENT PLANT AT WATER GATE ALONGWITH REPLACEMENT OF AGIGATOR, PLATE SETTLERS AND CONNECTED ITEMS OUTSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

S&F FRP plain plates of size 1.8m x 1.8m x 6mm thick fixed to existing FRP angle to an angular position fixed in plate settler chamber with suitable hardware in repairs complete all as specified and directed by Engr-in- Charge.

Supply only Coarse sand suitable for filter media/rapid gravity filter

Supply only 2 to 5 MM gravels

Supply only 2 to 12 MM gravels

Supply only 12 to 20 MM gravels

Supply only 20 to 40 MM gravels

Supply only 40 to 60 MM gravels

S&F , in repairs Gravity dosing box made out of SS-304 for constant Alum /PAC dosing consisting of PVC/ SS float operated S S valve , S S taper needle valve over a S S orifice rate of flow controller , graduated scale to control chemical flow etc and including old U/s are pipes, complete all as specified and as directed. (Loc: Water Treatment Plant) Make - RAMCO/IONEX

S&F 200 MM bore CI Non Return (Reflux) valve Cast iron PN -1.0,Body Material Cum Std-C.I (IS:5312:210 Gr.FG 200),Bolted Cover, Renewable Seat, Renewable Disc, Cu-Alloy, flanged as per IS:1538, conforming to IS-5312,Pressure tested B.T.P.- 1.5 Mpa Hyd and S.T.P.- 1.0Mpa Hyd, rubber gasket bolts (full threaded), nuts & washers including making of joints (any type), for the following sizes complete all as specified and as directed.(Loc: Water Treatment Plant) Make - ZOLOTO Cat No:1083 /Leader, Code No- CI022T / KIRLOSKAR

S&F 300 MM bore CI Non Return (Reflux) valve Cast iron PN -1.0,Body Material Cum Std-C.I (IS:5312:210 Gr.FG 200),Bolted Cover, Renewable Seat, Renewable Disc, Cu-Alloy, flanged as per IS:1538, conforming to IS-5312,Pressure tested B.T.P.- 1.5 Mpa Hyd and S.T.P.- 1.0Mpa Hyd, rubber gasket bolts (full threaded), nuts & washers including making of joints (any type), for the following sizes complete all as specified and as directed.(Loc: Water Treatment Plant) Make - ZOLOTO Cat No:1083 /Leader, Code No- CI022T / KIRLOSKAR

Supply and fix Valves, Sluice, flanged of class 1.0 PN, 300 mm (12”)dia

Supply and fix Valves, Sluice, flanged of class 1.0 PN, 200 mm (8”)dia

Supply and fix aggigator capacity upto 1.5 KW

Supply and fix CI flow meter 200 mm dia

Supply and fix CI flow meter 300 mm dia

Supply and fix digital flow meter all as specified and directed.

M&L Scrubbing with disinfection of RCC cascade Aerator consisting of four tiers circular cascades , Dia of bottom cascade 4.2 m dia, cleaning by scrubbing thoroughly with wire brushes, bleaching powder and removing the sludge of all four circular cascades at a height og 8 Mtr from ground level complete all as directed by Engineer in charge.

M&L Scrubbing with disinfection of open RCC fixed on 2nd floor Raw water Channels of size 800 mm x 1100 mm x 22 m long, removing the sludge and cleaning the channel by scrubbing thoroughly with wire brushes, bleaching powder complete all as directed by Engineer in charge.

M&L Scrubbing with disinfection of following tanks by dewatering all the tanks completely, removing sludge by using compressor/agitator and draining out all the muddy water, scrubbing, cleaning the inner surface with wire brushes manually by lowering down in tank with depth of 3.5/2.5 mtr, using bleaching powder complete all as directed by Engr-in-charge.

Califoculator (size 6.3 X 6.3 X 3.0 )

Flash Mixer (area 1.5 sqm X 2.5 M. depth)

Plate settler (size 5.4 x 5.0 M ) with 118 Nos inclined FRP plates including slots for holding them in position.

Dismantling the old unserviceable items from the existing rapid gravity filter bed of 250 CUM/HR capacity taking out all filter media i.e. sand, gravels, pebbles, pipe fittings with complete connection of pipes & valves and repairing the same including filling of filter media as required and testing complete all as specified and as directed. each filter bed.

Material & Labour for providing and fixing stainless steel (Grade 304) railing made of hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (where ever required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc., of required size, on the top of floor or the side of waist slab with suitable arrangement all as specified and directed.

Framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing complete Fe 410-W (Gde-E-250 quality -A all as directed

Taking out unserviceable LT panel board of any size and supply, install, test and commissioning of indoor type LT Electrical distribution panel board 415 V, 3 Ph, 50 Hz, 4 Wires, Box dimension (1500 x 1500 x 400 mm) 2 mm thick CRCA including locking arrangement detachable gland plate at bottom for cable entry/exit, all opening will be covered with rubber gasket, Danger notice plate M.S. 20 x 15 x .6 mm, both side openable fabrication sheet and mounted on angle iron platform including angle platform made out MS angle of 50 x 50 x5 mm of 60cm height from GL, suitable to length of LT panel fitted with suitable nut, bolts, washers etc. and painting with two coats of synthetic enamel powder coating paint over a coat of metal primer with suitable rating of flexible copper wires with copper bus bar 160 Amps (1 set of RYN) duly insulated with proper RYBN colour coded PVC heat shrink sleeves, supported on epoxy type insulator all as specified and directed for suitable to accommodate and including the following items:- Note :- Earth work, PCC foundation and any civil works required for the foundation and fixing of LT panel shall deemed to be included in the quoted rate.

(a) INCOMER :- [i] MCCB 100 Amp, 4P, 25 KA Thermal magnetic relised adjustable type - 01 Nos (Make L&T) (ii) Digital Ammeter + Voltmeter - 01 Nos. (iii) CT 100/6 Amp - 03 Nos. (iv) Indicator lamp (R,Y,B) - 01 set (v) Extended rotary handle for 100 amp MCCB- 01 nOS (vi) Spreader link for 100 amp MCCB incomer and outgoing section. (vii) Copper Busbar for 160 Amp MCCB incomer and outgoing section. (vii) MCB, SP, 10 KA, 6Amp- 03 Nos for RYB LEC + 01 Nos for meter

(b) OUTGOING :- (i) Single phase preventor - 01 Nos (ii) DOL Starter for 2 HP Motor - 05 Nos Each including :- (aa) Power incomer MCB (16 Amp) - 01 Nos (ab) Contactor 16/25 Amp 4P - 01 Nos (ac) O/L, TM based Relay - 01 Nos (ad) Control MCB, SP, 10 KA, 6A - 01 Nos (ae) ON indication LED - 01 Nos (af) ON push with No element - 01 Nos (ag) Off push with Nc element - 01 Nos (ah) Control wiring with 1.5 Sqmm (aj) Power wiring 2.5 Sqmm (ak) O/P connector 3P - 01 Nos (al) OFF indication LED - 01 Nos (am) Add on block 2 No + 2 Nc - 01 Nos (iii) DOL Starter for 5 HP Motor - 04 Nos Each including :- (aa) Power incomer MCB (16 Amp) - 01 Nos (ab) Contactor 16/25 Amp 4P - 01 Nos (ac) O/L, TM based Relay - 01 Nos (ad) Control MCB, SP, 10 KA, 6A - 01 Nos (ae) ON indication LED - 01 Nos (af) ON push with No element - 01 Nos (ag) Off push with Nc element - 01 Nos (ah) Control wiring with 1.5 Sqmm (aj) Power wiring 2.5 Sqmm (ak) O/P connector 3P - 01 Nos (al) OFF indication LED - 01 Nos (am) Add on block 2 No + 2 Nc - 01 Nos

Taking out unserviceable LT panel board of any size and supply, install, test and commissioning of indoor type LT Electrical distribution panel board 415 V, 3 Ph, 50 Hz, 4 Wires, Box dimension (1500 x 1200 x 400 mm) 2 mm thick CRCA including locking arrangement detachable gland plate at bottom for cable entry/exit, all opening will be covered with rubber gasket, Danger notice plate M.S. 20 x 15 x .6 mm, both side openable fabrication sheet and mounted on angle iron platform including angle platform made out MS angle of 50 x 50 x5 mm of 60cm height from GL, suitable to length of LT panel fitted with suitable nut, bolts, washers etc. and painting with two coats of synthetic enamel powder coating paint over a coat of metal primer with suitable rating of flexible copper wires with copper bus bar 200 Amps (1 set of RYN) duly insulated with proper RYBN colour coded PVC heat shrink sleeves, supported on epoxy type insulator all as specified and directed for suitable to accommodate and including the following items:- Note :- Earth work, PCC foundation and any civil works required for the foundation and fixing of LT panel shall deemed to be included in the quoted rate.

(a) INCOMER :- (i) MCCB 125 Amp, 4P, 36 KA TM based - 01 Nos (Make : L&T) (ii) Digital Ammeter + Volt meter - 01 Nos (iii) CT 125/5 Amp - 03 Nos (iv) MCB, SP, 10 KA, 6 Amp - 04 Nos (v) LED indication lamp (RYB) - 03 Nos (vi) ON Indication lamp - 01 Nos (vii) TRIP Indication lamp - 01 Nos (viii) Extended rotary handle - 01 Nos (ix) Spreader link - 01 Set (x) Copper busbar 200A for I/P & O/P - 01 Set

(b) OUTGOING :- (i) FASD Starter 25 HP Capacity - 02 Nos Each starter including :- (aa) Single phase preventor - 01 Nos (ab) MCCB 63 Amp, TP, 25 KA, TM based - 01 Nos (ac) MCB SP, 10 KA 6 Amp - 01 Nos (ad) Contactor 3P, 32 Amp - 03 Nos (ae) Thermal O/L Relay (14-32 Amp) - 01 Nos (af) Star delta Timer - 01 Nos (ag) Amp + Volt digital meter - 01 Nos (ah) CT 30/5 Amp - 03 Nos (aj) RYB indication LED - 03 Nos (ak) ON & Trip indication LED - 02 Nos (al) MCB, SP, 10 KA, 6A - 03 Nos (am) 2 No + 2 Nc Add on block - 02 Nos (an) 1 No + 1 Nc Add on block - 01 Nos (ao) ON push switch with No element - 01 Set (ap) OFF Push switch with Nc block - 01 Set (aq) Power wiring 6 Sqmm (ar) Control wiring 1.5 Sqmm (as) O/P connector 3P - 02 Nos.

Taking out unserviceable LT panel board of any size and supply, install, test and commissioning of indoor type LT Electrical distribution panel board 415 V, 3 Ph, 50 Hz, 4 Wires, Box dimension (1500 x 1500 x 600 mm) 2 mm thick CRCA including locking arrangement detachable gland plate at bottom for cable entry/exit, all opening will be covered with rubber gasket, Danger notice plate M.S. 20 x 15 x .6 mm, both side openable fabrication sheet and mounted on angle iron platform including angle platform made out MS angle of 50 x 50 x5 mm of 60cm height from GL, suitable to length of LT panel fitted with suitable nut, bolts, washers etc. and painting with two coats of synthetic enamel powder coating paint over a coat of metal primer with suitable rating of flexible copper wires with copper bus bar 320 Amps (1 set of RYN) duly insulated with proper RYBN colour coded PVC heat shrink sleeves, supported on epoxy type insulator all as specified and directed for suitable to accommodate and including the following items:- Note :- Earth work, PCC foundation and any civil works required for the foundation and fixing of LT panel shall deemed to be included in the quoted rate.

(a) INCOMER :- (i) MCCB 4P 250 Amp, 36 KA, TM based - 01 Nos (Make : L&T) (ii) Digital Amp + Voltmeter - 01 Nos (iii) CT 250/5A - 03 Nos (iv) RYB Indication lamp - 01 Set (v) MCB SP 10 KA, 6A - 03 Nos (vi) ON & Trip indication LED - 02 Nos (vii) 320A Copper busbar for both I/p & O/p side - 01 Set (viii) Extended rotary handle + Spreader link - 01 Set

(b) OUTGOING :- (i) Lighting D.B : (aa) 2 P, MCB, 10 KA, 16 A - 01 Nos (ab) MCB, SP, 10 KA, 6 A - 04 Nos (ii) FASD Starter for 100 HP capacity - 02 Nos Each Starter Including :- (aa) MCCB, 200 A, 36 KA, 3 P - 01 Nos (ab) MCB, 10 KA, 6 Amp, (2P/5P) - 01 Nos (ac) Extended Rotary Handle - 01 Nos (ad) Spreader Link - 1 Set (ae) 3P, Contactor with 1 No Axuliary,150 Amp - 01 Set of 03 pcs (af) Thermal O/L Relay OR MPCB (90-150 A) - 01 Nos (ag) star delta Timer - 01 Nos (ah) Single Phase Preventor - 01 Nos (aj) 02 No + 2 NC Add on block - 02 Nos (ak) 01 No + 1 NC add on block - 01 Nos (al) ON Push switch with NO element - 01 Set (am) OFF Push Switch with NC element - 01 Set (an) ON & TRIP Indication LED - 02 Nos (ao) R,Y,B Indication LED - 03 Nos (ap) MCB, 10 KA 5P, 6A - 03 Nos (aq) Control wiring - 1.5 Sqmm (ar) Power wiring - 50 Sqmm (as) O/P Connector, 3P Capacity (150-200 Amp) - 02 Nos

Taking out unserviceable LT panel board of any size and supply, install, test and commissioning of indoor type LT Electrical distribution panel board 415 V, 3 Ph, 50 Hz, 4 Wires, Box dimension (1500 x 1500 x 600 mm) 2 mm thick CRCA including locking arrangement detachable gland plate at bottom for cable entry/exit, all opening will be covered with rubber gasket, Danger notice plate M.S. 20 x 15 x .6 mm, both side openable fabrication sheet and mounted on angle iron platform including angle platform made out MS angle of 50 x 50 x5 mm of 60cm height from GL, suitable to length of LT panel fitted with suitable nut, bolts, washers etc. and painting with two coats of synthetic enamel powder coating paint over a coat of metal primer with suitable rating of flexible copper wires with copper bus bar 320 Amps (1 set of RYN) duly insulated with proper RYBN colour coded PVC heat shrink sleeves, supported on epoxy type insulator all as specified and directed for suitable to accommodate and including the following items:- Note :- Earth work, PCC foundation and any civil works required for the foundation and fixing of LT panel shall deemed to be included in the quoted rate.

(a) INCOMER :- (i) MCCB 4P 250 Amp, 36 KA, TM based - 01 Nos (Make : L&T) (ii) Digital Amp + Voltmeter - 01 Nos (iii) CT 250/5A - 03 Nos (iv) RYB Indication lamp - 01 Set (v) MCB SP 10 KA, 6A - 03 Nos (vi) ON & Trip indication LED - 02 Nos (vii) 320A Copper busbar for both I/p & O/p side - 01 Set (viii) Extended rotary handle + Spreader link - 01 Set

(b) OUTGOING :- (i) Lighting D.B : (aa) 2 P, MCB, 10 KA, 16 A - 01 Nos (ab) MCB, SP, 10 KA, 6 A - 04 Nos (ii) FASD Starter for 100 HP capacity - 02 Nos Each Starter Including :- (aa) MCCB, 200 A, 36 KA, 3 P - 01 Nos (ab) MCB, 10 KA, 6 Amp, (2P/5P) - 01 Nos (ac) Extended Rotary Handle - 01 Nos (ad) Spreader Link - 1 Set (ae) 3P, Contactor with 1 No Axuliary,150 Amp - 01 Set of 03 pcs (af) Thermal O/L Relay OR MPCB (90-150 A) - 01 Nos (ag) star delta Timer - 01 Nos (ah) Single Phase Preventor - 01 Nos (aj) 02 No + 2 NC Add on block - 02 Nos (ak) 01 No + 1 NC add on block - 01 Nos (al) ON Push switch with NO element - 01 Set (am) OFF Push Switch with NC element - 01 Set (an) ON & TRIP Indication LED - 02 Nos (ao) R,Y,B Indication LED - 03 Nos (ap) MCB, 10 KA 5P, 6A - 03 Nos (aq) Control wiring - 1.5 Sqmm (ar) Power wiring - 50 Sqmm (as) O/P Connector, 3P Capacity (150-200 Amp) - 02 Nos

Supply and fix '2.5 Sqmm Single core Cable with copper conductor PVC round sheathed (flexible) industrial cable all as specified and directed.

Supply and fix 4 Sqmm Cable single core with copper conductor PVC round sheathed (flexible) industrial cable all as specified and directed.

Supply and fix 6 Sqmm Cable single core with copper conductor PVC round sheathed (flexible) industrial cable all as specified and directed.

Supply and fix 10 Sqmm Cable single core with copper conductor PVC round sheathed (flexible) industrial cable all as specified and directed.

Taking out old UNSV UG Cable and S&F for XLPE insulated under ground armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 185 sq. mm 3.5 Core.

Materials and Labour for earthling complete with galvanized steel earth plate electrode 600 mm x 600 mm x 6.0 mm thick buried directly in ground vertically to a depth not less than 2.25 meter deep below ground level with top edge earth plate at a depth not less than 1.5M below normal ground level connected to galvanized iron strip 25 X 4 mm (upto 7.5 metres) by means of bolts, nuts check nuts and washers of galvanized steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 45 cm x 45 cm x 5 cm reinforced with 8 mm dia. TMT bars @ 150 mm centre to centre both ways, with one handle for lifting made out of 8 mm dia MS bar, provision of funnel, wire mesh, 20 mm bore galvanized steel tubing (Medium grade) for watering, charcoal or coke and salt in alternate layers, 40 mm bore galvanized steel tubing medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil and including necessary testing and dismantling of existing unsv earthling complete all as shown in Figure 15A of IS 3043 :1987, complete all as specified and directed.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

DUTTA & DUTTA (BID ID -3390514)

UNITED ENGINEERS (BID ID -3393033)

M/S S. K. SARKAR (BID ID -3390104)

Somani Builders (BID ID -3390970)

GHOSH ENTERPRISE (BID ID -3391925)

DEEPAK KHATTAR (BID ID -3391759)

ARATI TRADING CO (BID ID -3392148)