REPAIR REPLACEMENT OF CI/GI PIPE LINE, PUMP SETS, INTERNAL WIRING WITH REPLACEMENT OF CERTAIN ELECTRICAL FITTINGS AND FIXTURES AND CERTAIN CONNECTED WORKS AT 799 SU AF STN KURSEONG UNDER GE (AF) BAGDOGRA

Amount

Excavation in trenches in soft / loose soil n.exc 1.5 mtr wide n.exc 1.5 mtr deep getting out soil complete all as specified and directed.

Returning filling in including spreading, levelling well ramming in layers n.exc 25 cm thick in a layers all as specified and as directed.

Removing excavated material (Soil) n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point all as specified and directed.

Excavation in trenches as in hard/ dense soil n.exc 1.5 mtr wide and n.exc 1.5 mtr deep and getting out soil complete all as specified and directed.

M&L for cement concrete (1:3:6), type C2 (using 40 mm graded stone aggregate) for making good to disturbed surface of road etc. all as specified and as directed.

Supply and laying in repair 150 mm bore dia GI water tubing medium grade with all fittings in trenches and all as directed.

All as per item No 06 above, but for 100 mm bore dia.

All as per item No 06 above, but for 80 mm bore.

All as per item No 06 above, but for 50 mm bore.

All as per item No 06 above, but for 40 mm bore.

All as per item No 06 above, but for 25 mm bore.

All as per item No 06 above, but for 20 mm bore.

All as per item No 06 above, but for 15 mm bore.

S&F Gun metal gate valve with iron wheel head, screwed both ends for iron / PPR pipe of 50 mm dia.

All as per item No 14 above, but for 40 mm dia.

All as per item No 14 above, but 25 mm dia.

All as per item No 14 above, but 20 mm dia.

All as per item No 14 above, but 15 mm dia.

M&L for Construction of valve chamber of size 1.20 x 1.20 x 1.20 cm (Internal dimension) incl necessary earth work and MS sheet 2 mm thick cover with angle iron frame 25 x 25 x 6mm including demolition of existing valve pit and iron cover all as specified and directed.

All as per item No.19 above, but of size 90 x 90 x 90 cm (internal dimension) complete all as specified and as directed.

Taking down old unserviceable sluice valve form existing position and S&F cast iron sluice valve conforming to IS - 14846 clockwise dosing with flanged ends and iron wheel including necessary joints by means of bolts, nuts washers and rubber gaskets complete all as specified for 150 mm dia bore of pipe.

All as per item No 21 above, but for 100 mm dia bore.

All as per item No 21 above, but for 80 mm dia bore.

S&F air release valve double action chamber of size 150 mm dia all complete all as specified and directed.

S&F air release valve double action chamber of size 100 mm dia all complete all as specified and directed.

S&F Non Return Valve double action chamber of size 150 mm dia all complete all as specified and directed.

Demolition of Brick work or stone/ boulder machinery built in lime mortars including lime quoins arches, pillar etc but excluding ashlar facing dressed stone work and pre cast concrete articles all as specified and directed.

M&L for brick work with fly ash brick straight or curved on plan exc 6m mean radius built in modular bricks in cement mortar (1:6) all as specified as directed.

M&L for rendering 10 mm thick on fair faces of brick on concrete surfaces (1:6) and finishing the surface even and smooth without using extra cement all as specified as directed.

M&L for cement concrete in foundation, filling and mass concrete (1:4:8), type D2 (using 40mm graded stone aggregate) concrete all as specified as directed.

Taking out old unserviceable rubber gasket from position with taking out of nuts, bolts etc and S&F New rubber gasket of size 75cm outer diax10cm width made out of 3mm thick rubber sheet of approved quality fixed with suitable size & dia mild steel machine made nuts, bolts & washers of required size & numbers complete all as specified and as directed. Note : Nuts, bolts & washers shall be measured & paid separately under relevant item here-in-before.

Draining out water from over head reservoir/ PVC Tanks House Holds of capacity 35000 Gallons (Tech Area) UG sump, removing sludge deposited, scales and other impurities from inside the tank thoroughly by scrapping with wire brushes, broom stick to make the surfaces free from sludge deposit and impurities, cleaning & washing the surfaces with bleaching powder solution including rewashing with fresh water and writing letters /figures like “Tank cleaned on____________(date) and Due date_____ boldly & prominently with thick synthetic enamel with height & width of letters & Figures 15cm & 10cm respectively in prominent places of tank all complete all as specified and as directed.

All as per item No 32 above, but of 60000 Gallons(tach Area) OHT.

All as per item No 32 above, but of 60000 Gallons Bagora pump house.

All as per item No 32 above, but of 500 Ltrs (Living Accommodation).

Scrapping, cleaning, removing the fungus/algae blooms, plant dust with the help of coconut broom and iron nwire brush from the entire inner portion of lake 110x40x50m serving the sluice valve spreading bleaching powder on the inner surface of lake as directed keeping it for 24 Hours and again washing the lake with water complete all as specified and directed. Note: Bleaching powder will be measured separately.

S&F ball cock or float valves high pressure of synthetic metal with epoxy aluminium rod and high density plastic ball screwed with GI socket for iron pipe of 25 mm bore dia.

All as per item No 37 above, but of 20 mm bore dia.

Opening man hole cover of filter plant and taking out care fully all old filter media and PVC strainer from filter shell, removing unserviceable materials to a safer distance n.exc 50 m and cleaning the filter bed thoroughly with clean water to remove all dirt, scale, mud etc including strainer, pipe line complete for 6000 GPH capacity filter plant and replace the unserviceable filter media as required complete all as specified and as directed. Note:- New filter media shall be measured and paid separately under subsequent items.

Supply and filling new life Manganese Di-Oxide (MNO2) compound filled in layers as specified and directed.

Supply and filling iron removal chemical Anthracite/ carbofilt coal for 6000 GPH capacity filter plant complete all as specified and directed.

Supply and filling gravels of size 20x12mm filled in layers as specified and directed for 6000 GPH capacity filter plant.

Supply and filling gravels of size 12x6mm filled in layers as specified and directed for 6000 GPH capacity filter plant.

Supply and filling gravels of size 6x3mm filled in layers as specified and directed for 6000 GPH capacity filter plant.

Supply and filling gravels of size 3x1.5mm filled in layers as specified and directed for 6000 GPH capacity filter plant.

S&F 10-32 mesh fine sand filled in layers as specified and directed for 6000 GPH capacity filter plant.

S&F mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 15cm and n exc 22.5cm long 16 to 20mm dia of shank complete all as specified & as directed.

S&F in repair, chemical dosing (metering) pump, 6 ltrs / hr @ 10 kg back pressure, electromagnetic type with suction & discharge tubing, spring loaded anti siphon valve, foot valve etc complete all as specified and directed. MAKE:- RMCO, CHEMINJECT model RC series 13 cap or equivalent of any other make approved by GE from list of makes.

Taking down defective burnt out electric driven centrifugal pump/motor (Make- Kirloskar) of capacity 50 HP working on 3 phase, 440 volts 50 Hz, duly disconnecting electric and mechanical connection from pump and transport to civil workshop, dismantling and opening the motor into parts and taking out burnt out starter winding, cleaning, servicing slots etc. drying all parts and sort out defective spares, rewinding the starter winding with suitable size of super enamelled copper wire as per existing gauge including replacement of insulating materials, varnishing, heating up starter winding in heating chamber to achieve insulation resistance at least 6 Ohms and reassembling after replacement of defective parts/spares including testing at workshop, transporting to site and reinstalled, mounting to its original position including coupling with respective pump and reconnect all disconnected connections, disconnected cable connections and mechanical support etc. including painting to motor with one coat of synthetic enamel paint as per existing colour after and including preparation of old painted surfaces including testing and commissioning complete all as required and as directed. Note:- (i) New spare as required shall be measured and paid separately as 'supply only'. (ii) The retrieved brunt winding wire shall be handed over to MES store and RV obtained for the same.

Supply only Bearing DE.

Supply only Bearing NDE.

Supply only PVC Cooling fan suitable for motor.

Supply only CI Impeller suitable for Pump Set.

Supply only Pump Shaft.

Supply only Shaft sleeve Nut.

Supply only Split Gland.

Supply only CI Gland flange.

Supply only Shaft coupling bolts with rubber bush.

Taking out the existing submersible pump set (Make-KSB) of capacity 10 HP duly disconnecting all electrical and mechanical connections complete with column pipe etc from the max depth of 15 feet, transporting the same to civil authorised workshop and bring back to site after repair and replacement of defective spares for pump, rewinding the motor with super enamelled copper winding wires of suitable gauge and size as per existing, varnishing the re-winded motor and heating up the same in heat chamber to obtain the insulation resistance not less than 0.6 Ohms, make the same in serviceable condition, reassembling the motor and testing on ground including re-installation and relowering the pump set after completion of repair/replacement work complete as directed. Note:- (i) New spares as required shall be measured and paid separately as ‘Supply only’. (ii) The retrieved brunt winding wire shall be handed over to MES store and RV obtained for the same.

Supply only bronze impeller suitable for 10 HP pump set.

Supply only Bushing suitable for 10 HP pump set.

Supply only gun metal bearing bush for 10 HP pump set.

Supply only coupling for 10 HP pump set.

M&L for Shaft lapping and cutting.

M&L, in repairs, earthing to panel/motor/lightning arrester complete with galvanized steel earth plate electrode of 60 cm x 60 cm x 6mm thick buried directly in ground [earth pit not less than 2.25 metre deep below normal ground level] with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized earth strip of 25x4mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of MES SSR Part I connected to earth test point using earth strip of 25x4mm as earth lead all as specified and testing on completion including provision of earth lead protected by 40 mm dia light grade GI pipe & watering pipe shall be 20 mm bore medium grade GI pipe including all excavation and earth work in any type of soil, PCC pit with RCC cover, char coal, salt, funnel etc complete. Note : Rate quoted by tenderers shall be deemed to include for following provisions:- [i]. Excavation & earth work in any type of soil including removing of surplus material upto 50 M. [ii]. PCC 1:3:6 type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC 1:2:4 type B1 cover 50x50 cm with 8mm TMT bars @ 10 cm C/C both ways with handles. [iii]. Main earthing lead from earth electrode to test point upto 7.5 mtr. [iv]. Funnel with watering pipe [GI pipe] 20mm bore [ISI marked] medium grade & copper lugs, charcoal & salt as reqd. [v]. GI protection pipe of size 40 mm bore light grade 7.5m.

S&F, in repair, Aviation light low intensity aviation obstruction lamp of LED 02 Nos, 230 volts grade on the top of OHT tanks including connection copper cable of size 2.5 sq mm two core upto 150 meter of length complete all as specified and directed. Make - Bajaj item code No 87690974 or equivalent as approved by GE from list of makes.

S&F, in repair, Fully Automatic Star-delta starter, 50 HP, complete all as specified and directed.

S&F, in repair, Fully Automatic Star-delta starter, 10 HP, complete all as specified and directed.

Taking down carefully copper / Aluminium point wiring including (light, fan, socket or power complete fittings, such as switches, ceiling roses, pendant holders, Batten holders, shades conical fan regulators, light or power sockets etc) removing materials from site and making good disturbed surfaces of walls roofs etc all as directed.

Taking down carefully UNSV main switch and DB's including MCBs of of any size make, type and capacity and depositing at site as directed.

M&L for providing Point wiring with 1.5 sq. mm (nominal area) single core PVC insulated FRLSH unsheathed multi-stranded copper conductor cable (maintaining colour code), 1100 volts grade in and including PVC casing caping of adequate size but not less than 20mm in width and 1.2mm thick with all fittings and accessories including modular surface box of adequate size with suitable modular plate cover for mounting modular switches, sockets, regulators, light fittings etc. complete with all fittings and accessories fixed to wall/ ceiling for one light/ fan point controlled by one oneway modular switches including one run 1.5 sqmm (nominal area) PVC insulated flame retardant unsheathed multi-stranded copper conductor cable green in colour for earth continuity conductor connected to common earth dolly complete all as specified & directed.

All as per item No 71 above, but for One light point controlled by two 2way switches.

All as per item No 71 above, but for One bell/buzzer point controlled by one push button on the same board with other switches or independent with cables 1.5 sq.mm size.

All as per item No 71 above, but for One 3 pin 5 Amps socket outlet on same board with other switch.

All as per item No 71 above, but for One 3 pin 5 Amps socket outlet on independent board with cable of 1.5 sqmm size.

All as per item No. 71 above but wiring with 4 sqmm multistranded copper conductor unsheathed and 4 sqmm copper conductor unsheathed cable as earth continuity conductor for one 3 pin 15 Amps socket outlet point on independent board.

M&L for concealed point wiring complete with 1.5 Sqmm single core multistranded copper conductor PVC insulated and unsheathed FRLSH cable 1100 volts grade drawn through and including non metallic rigid PVC Concealed conduit, medium grade minimum 20 mm dia ISI marked and conduit accessories fixed on recesses of wall/ceiling/roof and chiselling on wall complete and making good the disturbed surfaces of wall / ceiling by cement mortar 1:4 including painting to existing surfaces etc with sunken type pressed steel/welded MS terminal boxes made out of 1.2 mm MS sheet, 3mm thick Modular top cover for mounting of modular fittings, switches, sockets outlets, regulators etc and provisioning of 1.5 sqmm PVC insulated unsheathed FRLSH cable 1100 volt grade with multi stranded copper conductor to common earth and connected to earth dolly complete for One light/exhaust Fan point controlled by one one/way switch.

All as per item No 77 above, but for One bell/buzzer point controlled by one push button on the same board with other switches or independent with cables 1.5 sq.mm size.

All as per item No 77 above, but for One 3 pin 5 Amps socket outlet on same board with other switch.

All as per item No 77 above, but for One 3 pin 5 Amps socket outlet on independent board with cable of 1.5 sqmm size.

All as per item No. 77 above but wiring with 4 sqmm multistranded copper conductor unsheathed and 4 sqmm copper conductor unsheathed cable as earth continuity conductor for one 3 pin 15 Amps socket outlet point on independent board.

M&L for sub main wiring using two single core 6 Sqmm PVC insulated and unsheathed cable with copper conductor 1100 volts grade (FRLSH) ISI marked drawing in and including 20mm dia rigid non metallic PVC casing caping & accessories like bends, tee, etc fixed on recess of wall and ceiling and connecting to earth dolly and including 4 Sqmm earth wire, PVC insulated & unsheathed complete including taking down exiting sub main wiring. NOTE: 2 runs of main wire, 1 run of earth wire, 1 run of casing caping with accessories shall be measured as one length.

M&L for sub main wiring using two single core 4 Sqmm fire retardant PVC insulated and unsheathed cable with copper conductor 1100 volts grade (FRLSH) ISI marked drawing in and including 20mm dia rigid non metallic PVC casing caping & accessories like bends, tee, etc fixed on recess of wall and ceiling and connecting to earth dolly and including 2.5 Sqmm earth wire, PVC insulated & unsheathed complete including taking down exiting sub main wiring. NOTE: 2 runs of main wire, 1 run of earth wire, 1 run of casing caping with accessories shall be measured as one length.

S&F in repairs LED Tube light lights fitting 1x 22W, 220V,AC decorative box type with CRCA body precoated white & pre wired for driver, holder connecting up with LED down rod three core flexible copper conductor cable of suitable size from ceiling rose including 1 X 22 w LED tube Rod complete all as specified and directed.

S&F in repairs LED tube light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete all as specified and directed.

S&F in repairs 10W LED Bulkhead light, pressure die cast housing LED bulkhead with IP65 Protection and IK09 Impact resistance suitable for surface/wall mounted, complete with all accessories pre-wired and including connecting up with twin core twisted flexible copper conductor cable with suitable size complete all as specified and directed.

S&F in repairs round shape 15 watt 220 volts AC recessed type with high efficiency PMMA diffuser soft glare free light complete with drivers, holders ,LED lamp suitable for roof ceiling including connecting up with three core flexible copper conductor cable of suitable size complete.

S&F in repairs LED luminaire 600 mm x 600 mm,36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for false ceiling including connecting up with driver three core flexible copper conductor cases of suitable size complete all as specified and directed.

S&F in repairs LED flood light 70 watt 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp.

S&F in repairs post top lantern LED type 20 watt 230 watt volts AC outdoor type with decorative post top for 360 degree indirect light IP 65 protection with impact and corrosion resistant complete with driver and lamp complete.

S&F in repairs LED street/Bldg security light fitting 60 Watt 230 V AC outdoor type with high pressure die cast aluminium hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete.

M&L for 32 mm bore light grade GI pipe fixed as bracket, on wall any type, not less than 1.5 m long and bent to shape as required complete with suitable clamp made out of 25x4mm Flat iron duly fixed 12mm dia nuts, bolts, washers etc. complete all as specified and directed by Engineer-in-Charge. Note:- Rate quoted shall deemed to be included for necessary clamps, bolts & nuts etc.

S&F Call bell, Ding Dong AC. 230 volts, single pole

S&F Modular switch one way 5/6 Amp, 1 module,240 Volts.

S&F Modular switch two way 5/6 Amp, 1 module, 240 Volts.

S&F Modular Bell push 6 Amp, 1 module, 240 Volts.

S&F Modular socket 2/3 pin, 6 Amps, 2 module 240 Volts.

S&F Modular switch one way, 16 Amp, 1 module, 240 Volts.

S&F Modular socket 16A, 6 pin, 3 module 240 volts.

S&F ceiling rose surface bakelite two to three terminal 65 x 50 mm three terminal 250/230 volts ISI marked.

S&F Factory made board distribution in sheet steel enclosure vertical double door with 200 Amps rated bus bar, TPN, 4 ways, 240 Volts suitable for housing MCBs as incomer and SP MCBs as outgoing complete all as specified and as directed.

S&F Factory made board distribution in sheet steel enclosure double door glazed with 200 Amps rated bus bar, SPN, 8 ways, 240 Volts suitable for housing MCBs. complete all as specified and as directed.

S&F MCB, TPN, 415 volts, C Curve, 100 Amps, 10 KA, 4P complete all as specified and as directed.

S&F MCB, TPN, 415 volts, C Curve, 63 Amps, 10 KA, 4P complete all as specified and as directed.

S&F MCB, SPN, 240 volts, C Curve, 63 Amps 10 KA complete all as specified and as directed.

S&F MCB, SPN, 240 volts, C Curve, 32 Amps 10 KA complete all as specified and as directed.

S&F MCB, SP, 240 volts, 20-32 Amps 10 KA, C Curve, complete all as specified and as directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum.

M/S Banerjee construction co

SUNIL DAS AND CO

M/s Chakraborty Enterprise

SHRI P P SHARMA

NIRANJAN SARKAR

M/S MOHAN GHOSH

RABI BANIK