REPAIR AND MAINTENANCE OF CI/DI/GI PIPE LINE AND FITTINGS, VARIOUS TYPE PUMPSET, VALVES AND SWIMMING POOL IN E/M WATER SUPPLY INSTALLATIONS AND PERIODICAL SERVICES TO MD AND OTM ACCN TO VARIOUS BLDG AT BARRACKPORE UNDER GE BARRACKPORE

Amount

Excavation in trenches in soft/loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter deep and getting out complete all as specified and directed

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm of soft/loose soil complete all as specified and directed .

Removing surplus excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting points as in soft/loose soil all as specified and directed.

S&F for 80mm dia GI tubings (medium grade) with all fittings laid in trenches after and including taking up old steel tubing and connection complete all as specified and as directed. (Note : Excavation, returning filling and removing of earth shall be measured and paid separately)

All as per Item No 4.00 here-in-before but 50mm dia complete all as specified and directed

All as per Item No 4.00 here-in-before but 40mm dia complete all as specified and directed

All as per Item No 4.00 here-in-before but 25mm dia complete all as specified and directed

All as per Item No 4.00 here-in-before but 20mm dia fixed to wall complete all as specified and directed

All as per Item No 4.00 here-in-before but 15 mm dia fixed to wall complete all as specified and directed

M&L for rubber gasket joint with new rubber gasket of following sizes spigot and socket CI /DI pipes complete all as specified and directed:-

150mm bore Pipe

100mm bore Pipe

80mm bore Pipe

M&L for lead wool joint with all jointing materials such as lead, rope, manila etc as required for repairing of leakage after and including removing of old lead from CI/DI pipe etc with tool & plant of following size complete all as specified and directed. (Note : Excavation, returning filling and removing of earth work shall be measured and paid separately) :-

250mm bore Pipe

150mm bore Pipe

100mm bore Pipe

M&L for CI specials any type spigot and socket ends pipe as required at site (such as bend, taper, Tee, socket etc) socket end/ flanged as ordered of size up to 150mm bore after and including taking up existing unserviceable fittings complete all as specified and directed.

M&L for ductile iron specials any type spigot and socket ends pipe as required at site (such as bend, taper, Tee, socket etc) socket end/ flanged as ordered of size up to 200mm bore after and including taking up existing unserviceable fittings complete all as specified and directed.

M&L for flanged joints with all accessories such as MS nuts, bolts, washers, gasket rubber or fiber board for following sizes of CI/DI pipe after and including taking up existing unserviceable fittings complete all as specified and directed:-

250mm bore Pipe

150mm bore Pipe

Fixing only sluice valve, both end flanged with CI operating wheel, brass spindle etc including necessary jointing and jointing materials such as gasket, nuts, bolts, washer etc after and including taking out old sluice valve of following size complete all as specified and directed. :-

150mm dia sluice valve

100mm dia sluice valve

S&F for brass spindle of 250 mm dia sluice valve with nut & bolts, gland packing etc after and including taking up old unserviceable spindle complete all as specified and directed.

S&F for brass spindle of 150 mm dia sluice valve with nut & bolts, gland packing etc after and including taking up old unserviceable spindle complete all as specified and directed.

S&F for brass spindle of 100 mm dia sluice valve with nut & bolts, gland packing etc after and including taking up old unserviceable spindle complete all as specified and directed.

S&F for gunmetal gate valves with iron wheel head, screwed both ends for iron pipes after and including taking down/up old unserviceable gate valve of following sizes complete all as specified and directed:-

Gate Valve of 50mm dia

Gate Valve of 40mm dia

Gate Valve of 25mm dia

Gate Valve of 20mm dia

Taking down centrifugal pump of cap 20 HP make Bareja, Model- 81-C 4A from its foundation by disconnecting the suction discharge lines and decoupling from motor and repair the pumps with the following works (Note: Parts required for replacement shall be measured and paid separately as supply only) complete all as specified and directed :- Note : (i) Dismantling the pump assembly carefully part by part, cleaning all rotary and stationary parts properly, display the items at pump house for inspection of Garrison engineer/ Engr- in- Charge to ascertain the serviceability / unserviceability and requirement of renewal of parts. (ii) Reassembling the pump with existing serviceable parts and by replacing unserviceable parts including machining works where necessary for fitment of new parts for their smooth functioning. (iii) Placing the pump at its foundation, couple with the motor, make as centric for trouble free functioning, connecting suction and discharge lines and testing discharge of pump complete.

All as per Item No 20.00 above but capacity of Pump 15 HP Make Bareja, Model-81 CV-3A

All as per item No 20.00 above but capacity of Pump 30 HP Make Bareja, Model-99 CV 2A

All as per item No 20.00 above but capacity of Pump 40 HP Make Bareja, Model-99 CV 2A

Supply only following parts of centrifugal pump of make Bareja (PROVISIONAL ITEMS) to incorporate against item No 20 (PARTS FOR 20 HP PUMP) complete all as specified and directed:-

IMPELLER CI Part No 8100030404C for Pump Model 81C 4

GLAND FLANGE (SUC) CI Part No 8100030410 for Pump Model -81C 4A

GLAND FLANGE (DIS) CI Part No 8100030411 for Pump Model -81C 4A

Base Bush (Suc) GM Part No-81000304084

Base Bush (Dis) GM Part No-8100030409G

BEARING PER SET OF 2 NOS.STAN MAKE Part No 8100030421 for Pump Model- 81C 4A

Shaft SS Part No-8100030406S

Supply only following parts of centrifugal pump of make Bareja (PROVISIONAL ITEMS) to incorporate against item No 21 (PARTS FOR 15 HP PUMP) complete all as specified and directed :-

IMPELLER CI Part No 8103220304C for Pump Model 81CV 3A

GLAND FLANGE CI Part No 8103220309 for Pump Model 81CV 3A

Stage Bush GM Part No-8103220307G

BEARING PER SET OF 2 NOS.STAN MAKE Part No 8103220317 for Pump Model 81CV 3A

Supply only following parts of centrifugal pump of make Bareja (PROVISIONAL ITEMS) to incorporate against item No 22.00 & 23.00 (PARTS FOR 30 HP/40 HP PUMP) Pump Model No -99CV 2A complete all as specified and directed:-

IMPELLER CI Part No 9903220204C for Pump Model -99 CV 2A

GLAND FLANGE CI Part No 9903220209 for Pump Model -99 CV 2A

Stage Bush GM Part No-9903220207G

Base Bush GM Part No-9903220208G

Bearing per set of 2 nos STAN MAKE Part No 9903220217 for Pump Model -99 CV 2A

Shaft SS Part No-9903220206S

Rubber gasket cuppling for centrifugal pump of 15HP to 40 HP

Taking down centrifugal pump of capacity 7.5 HP any make of existing sewage pump from its foundation by disconnecting the suction discharge lines and decoupling from motor and repair the pumps with the following works (Note: Parts required for replacement shall be measured and paid separately as supply only) complete all as specified and directed :- Note (i) : Dismantling the pump assembly carefully part by part, cleaning all rotary and stationary parts properly, display the items at pump house for inspection of Garrison engineer/ Engr- in- Charge to ascertain the serviceability / unserviceability and requirement of renewal of parts. (ii) Reassembling the Pump with existing serviceable parts and by replacing unserviceable parts including machining works where necessary for fitment of new parts for their smooth functioning. (iii) Placing the pump at its foundation, couple with the motor, make as centric for trouble free functioning, connecting suction and discharge lines and testing discharge of pump complete.

Supply only following parts of centrifugal pump of make Kirloskar (PROVISIONAL ITEMS) to incorporate against item No 27 (PARTS FOR 7.5 HP SEWAGE PUMP SET) complete all as specified and directed:-

IMPELLER as per sample

BEARING PER SET OF 1 No as per sample

S&F for 100mm bore PVC flexible pipe heavy duty (as per sample) as in repair complete all as specified and directed.

S&F for 100mm dia strainer for suction case of submersible pump as in repair complete all as specified and directed.

M&L for MS fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer after and including dismantling of existing unserviceable fabrication complete all as specified and directed.

Lifting of submersible pump set complete of 5.0 HP to 10 HP capacity along with column pipe (column pipe not exceeding 30 m with each pump) with all connected items, including disconnection of water and electric connection, testing pump, motor, keeping column pipes and other items in safe custody for reinstallation complete all as specified and directed.

Lowering of submersible pump set complete of 5.0 HP to 10 HP capacity along with column pipe and all connected items, connecting water and electric connections complete all as specified and directed. (Note : (i) Repair of pump motor shall be measured and paid separately under respective items. (ii) Machinery and materials required for the testing shall be the responsibility of the contractor and cost of this effect shall deemed to be included in Item. No extra cost shall be entertained by the department in this aspect)

Repairs to submersible pump of any make and capacity of 05 HP to10 HP by replacing damaged / worn out parts. The job involves carrying of pump set (including motor) from respective pump house / AGE E/M Bkp store to civil workshop vis-a-Viz. The parts required for replacement shall be measured and paid separately under respective item of BOQ complete all as specified and directed.

Dismantling of submersible pump motor of capacity 5HP to 10 HP (pump motor listed under relevant items) checking fitness of stator and rotor, machining where required, rewinding the starter with insulated winding wire of existing dia and turn to achieve desired RPM and HP as per existing parameters complete all as specified and directed.

Supply only the following parts of submersible pumps & motor to incorporate against respective items of BOQ complete all as specified and directed :-

Gun metal bush suitable for KSB / CALAMA make submersible pump of any capacity and model as per requirement.

Impeller Key for KSB / CALAMA make submersible pump set, cut to required length as per requirement.

Rubber seal for submersible pump as per existing.

Casing outer bowl for KSB / CALAMA make submersible pump of any capacity and model as per requirement.

Discharge case for KSB / CALAMA make submersible pump of any capacity and model as per requirement.

Discharge case bearing suitable for KSB / CALAMA make submersible pump of any capacity and model as per requirement.

Coupling for pump and motor suitable for KSB / CALAMA make submersible pump of any capacity and model as per requirement.

Sand guard rubber suitable for submersible pump of any size as per requirement.

Strainer suction case of submersible pump.

Thrust bearing suitable for KSB / CALAMA make submersible motor of capacity 5 HP to 10 HP and and model as per requirement.

Submersible cable flat 3 core copper conductor PVC insulated & PVC sheathed of size 6 Sqmm. (Make : Finolex / Havells /Nicco as approved)

Multi-stranded flexible steel rope 10mm dia superior quality. (Make : Usha Martine/Tata as approved)

GI holder clamp ("U" bolt) 10mm dia, 50mm long to hold the steel.

Disconnecting electric connections and taking out submersible pump set of any capacity with column pipe of any length including cable for carrying out development/repairing of bore well of any size and any length by applying pressure air compressor at 6 Kg per centimeter square and taking out deposited mud/unwanted particles through compressed water from inside the bore well as per required length for three days and removal of development pipe after proper developing of bore well satisfactorily and lowering the same and connecting the electric cable after development complete including testing for getting satisfactory discharge complete all as specified and directed.

Repair / rewinding of induction motor of capacity 15 to 20 HP, of any make, three Phase, 430 Volt, AC 50 Hz, by taking out burnt winding wires from core, cleaning thoroughly and rewinding the same with bare insulated copper winding wire of proper gauge and burnt to achieve required and connected with the system. Existing DE and NDE bearing to be replaced with new bearing RPM & HP (Make : SKF / NBC) and corresponding is deem to be included with unit rate complete all as specified and directed.

Repair / rewinding of induction motor of capacity 30 HP, of any make, three phase, 430 Volt, AC 50 Hz, by taking out burnt winding wires from core, cleaning thoroughly and rewinding the same with bare insulated copper winding wire of proper gauge and burnt to achieve required and connected with the system. Existing DE and NDE bearing to be replaced with new bearing RPM & HP (Make : SKF / NBC) and corresponding is deem to be included with unit rate complete all as specified and directed.

M&L for fully automatic Star - Delta starter in sheet steel housing, three phase 415 Volt 50 Hz for submersible pump of capacity 10 HP, 11 KW relay range - 6.0 to 9.3 Amps including barely with single phase preventer after and including taking down of existing unserviceable one complete all as specified and directed. (Make :- BCH Cat No - NASAJLEN or equivalent of L&T as approved)

M&L for DOL starter in Sheet steel housing, 3- phase 415 Volt 50 Hz for Centrifugal pump of capacity 3 HP, 2.2 KW relay range - 9 to 14 Amps including birelay with single phase preventer complete all as specified and directed. (Make :- Siemens /L&T as approved)

S&F 100mm non return sluice valve confirming to IS-5312 Part-I, pressure rating PN1.6, Flange drilling as per IS-1538, CI valve body diaphragm, CI disc, Disc face ring -rubber, aluminium hinge pin, CI hinge and bronze body ring after and including taking out old unserviceable non-return sluice valve of following size complete all as specified and directed.

M&L for disconnecting centrifugal pump and motor for following capacity after disconnection of mechanical type coupling, suction/discharge pipe line and unbolting from foundation base plate, loading/unloading the pump and motor to the vehicle and transportation to workshop for repair/replacement/rewinding with super enamelled copper conductor wires 22 gauge and including dismantling & re-assembling the pump, setting impeller & housing for smooth running, replacement of packing gaskets etc. after required repair/replacement/maint transportation back from workshop to site, including re-assembling the same, recoupling the pump with motor on base frame, checking the alignment with motor, testing & commissioning on completion and checking upto the satisfaction of Engr-in-Charge complete all as specified and directed:-

5HP centrifugal pump

3HP centrifugal pump

2HP centrifugal pump

S&F for mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolts exceeding 22.5 cm and not exceeding 30 cm long and dia of neck 16 to 20 mm dia using for foundation/base platform for fixing of existing centrifugal pump set, complete all as specified and directed.

M&L for PVC insulated heavy duty industrial copper cables of size 25 sqmm single core unsheathed 1100 volts grade conforming to IS : 695 for connection of motors etc with copper lugs for suitable size as in repair complete all as specified and directed.

Cutting and screwing the existing 40/50mm bore GI steel tubing for alteration or additions in position without taking down/up pipe complete all as specified and directed.

S&F for CI Foot Valve Strainer (flange type) with screwed both ends for iron pipes of following sizes after and including taking down old unserviceable complete all as specified and directed:-

80mm dia foot valve

100mm dia foot valve

M&L for attending water supply breakdown/pipe line leakage and pipe line blockage in bldgs in and including replacing of Tee, elbow, sockets, nipple & foot valve etc as per requirement in pipe line 20 to 25 mm dia GI pipe including necessary excavation earth work if required complete all as specified and directed.

M&L for attending water supply breakdown/pipe line leakage and pipe line blockage in bldgs in and including replacing of Tee, elbow, sockets, nipple & foot valve etc as per requirement in pipe line 40 to 50 mm dia GI pipe including necessary excavation earth work if required complete all as specified and directed.

M&L for attending water supply breakdown/pipe line leakage and pipe line blockage in bldgs in and including replacing of Tee, elbow, sockets, nipple & foot valve etc as per requirement in pipe line 80 mm dia GI pipe including necessary excavation earth work if required complete all as specified and directed.

Supply only chlorine test kit with colored ample complete with all testing fitment and OT solution in rexine finish box complete all as specified & directed.

Supply only OT solution for chlorine test (500 ml pack) complete all as specified & directed.

M&L for applying one coat of white wash on old plastered surface of walls after preparation of surface complete all as specified and directed.

M&L for applying one coat of white wash on old plastered surface of ceiling after preparation of surfaces complete all as specified and directed.

M&L for applying one coat of oil emulsion distemper over old decorated plaster surfaces of wall after preparation of surfaces complete all as specified and directed.

M&L for applying one coat of cement based paint on old decorated surface of walls after preparation of surfaces complete all as specified and directed.

M&L for applying one coat of synthetic enamel paint after preparation of old painted wooden surfaces of any description, not otherwise described, over 10cm in width or girth complete all as specified and directed.

M&L for applying one coat of synthetic enamel paint after preparation of old painted wood or wood base surfaces of any description not exceeding 10cm in width or girth complete all as specified and directed.

M&L for applying one coat of synthetic enamel paint after preparation of old painted steel surfaces of any description, over 10cm in width or girth, not otherwise described complete all as specified and directed.

Removing plant including roots by dismantling of brick work/PCC/RCC including necessary scaffolding any type in any location/position i.e. roof, parapet wall near pipes etc and applying concentrated hydrochloric or sulphuric acid after removing roots for preventing the regrowth and making good of disturbed portion using PCC (1:2:4) type B0 & 10mm thick plaster in cement mortar (1:3) size of disturbed portion 150mm X150mmX200mm complete all as specified and directed.

Taking down cement plaster of any description on brick or stone or concrete surface of wall etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

M&L for rendering 15mm thick in cement mortar (1:6) on brick work or concrete surfaces of wall, finished even and smooth without using extra cement complete all as specified and directed.

M&L for rendering 15 mm thick on other than fair face of brick works or concrete surfaces of walls with cement mortar (1:4) mixing with WPC as per manufacturer's instructions, finished the surfaces even and smooth without using extra cement complete all as specified and directed. (Note : WPC shall be measured and paid separately)

M&L for rendering 10mm thick in cement mortar (1:3) on ceiling, chajja etc, surface finished even and smooth without using extra cement complete all as specified and directed.

M&L for applying two coats of oil emulsion distemper over a coat of alkali resistant primer on wall surfaces after preparation of newly plastered surfaces complete all as specified and directed.

M&L for applying two coats of cement based paint over a coat of alkali resistance primer on newly plastered surface of walls including preparation of surface complete all as specified and directed.

M&L for two coats of white wash on newly plastered surfaces of ceiling after preparation of surfaces complete all as specified and directed.

M&L for writing letters or figures (block, roman, italic or Indian) not exceeding 30cm high after cleaning and preparation of existing surfaces complete all as specified and directed.

M&L for applying one coat of acrylic exterior emulsion paint on old plastered wall surfaces after preparation of old plastered surfaces of wall and filling cracks with wall care putty complete all as specified and directed.

Supply only integral water proofing compound liquid, ISI marked complete all as specified and directed.

SENCO

NANDY ENTERPRISE

M/S PAUL CONSTRUCTION

B.N. SADHUKHAN

ABHISHEK CONSTRUCTION CO

BANERJEE ENTERPRISE

S S ENTERPRISE