REPAIR REPLACEMNET OF OH LINE TO UG CABLE PIPE LINE CLEANING OF BOREWELL CABLE WORK POLE PAINTING AND CONNECTED ITEMS AT 221 UNIT 221 SIGNAL 205 SATA 182 OFFRS 174 WKSP BAGRAKOTE AREA UNDER GE SEVOKE ROAD

Amount

Excavation in trenches not exc 1.5 Mtr wide and not exc 1.5 Mtr deep hard/dense type of soil getting out and levelling of bottom surface to required level for poles/stay assembly/cable all as specified and as directed.

Excavation in trenches not exc 1.5 Mtr wide and not exc 2.0 Mtr deep hard/dense type of soil getting out and levelling of bottom surface to required level for cable/stay all as directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exc 25m thick all as specified and directed.

Removing excavated material from site to a distance not exc 50mtr away and depositing where directed not exc 1.5mtr from the starting point all as directed.

Supply & laying in trenches clear sand for cushioning under cable 8 cm below and 15 cm above cable and punned down to a depth of 10 CM above top of cable complete all as specified and directed by Engr-in-Charge. Note:- Punned thickness shall be measured.

Supplying and laying fly ash bricks covered along width for cable protection complete all as directed.

M&L for PCC (1:2:4) type B-1 coping/foundation 20 mm graded aggregate for grouting, finished even and smooth without using extra cement all as directed.

M&L for PCC (1:4:8) (40 mm graded aggregate) Type C2 for base foundation of pole, stay incl form work where reqd all as directed.

M & L for plain cement and concrete (1:3:6) type C-2 using 40 mm graded stone aggregate as in foundation or in any situation as require and directed.

Supply and laying LT underground Cable, XLPE insulated, heavy duty armoured sheathed 1100 volts grade 16 Sq mm 4 core, with aluminium conductor, including taking up old unserviceable cable complete with all as specified.

All as item no 10 but of size 50 sqmm 3.5 core

All as item no 10 but of size 35 sqmm 3.5 core

All as item no 10 but of size 10 sqmm 2 core

M&L for water proof, 3core PVC insulated and PVC sheathed, copper conductor cable of size 1.5 sqmm, 1100 Volts grade for electrical connection of street light fittings, complete all as specified and directed.

Supply and fixing thermoplastic polycarbonate cable junction box having protection IP 66 "dust proof, acid resistant, shock proof, fire retardent self extinguisher" for outside installation with knockout entry for cable of size 16 sqmm and 155x210x92mm with terminals, brackets for street light pole mounting and provision of one 6A MCB SP all as specified and as directed

M & L GI tubing of 50 mm bore light grade with all fitting fixed to wall/ceiling/pole or in trench formed by road/PCC cutting/boring as cable protection laid on floor all as specifed and directed.

M & L GI tubing of 80 mm bore light grade with all fitting fixed to wall/ceiling/pole or in trench formed by road/PCC cutting/boring as cable protection laid on floor all as specifed and directed.

M&L for boring holes 1mtr deep in soil under roads/PCC as directed for cable passing through pipes of required size and disposal of soil to a distance not exc. 50m. (Note: Connected items like Pipes is measured and paid seperately under relevant items).

Supply and fabricating street light bracket made out of 40mm bore light grade GI pipe, 1.20m long, bent to required shape & reduced to required dia by providing suitable size GI reducer including providing two pairs of flat iron clamps, made out of 40 x 4mm size flat iron, 30cm long with necessary drilling holes with providing suitable size dia of mild steel bolts & nuts for holding the GI pipe bracket to steel tubular pole and painting the clamps with two coats of black synthetic enamel paint over a coat of red oxide zinc chrome primer including taking down old unserviceable existing one complete all as specified and as directed.

S&F energy saving and environmental friendly long life LED street light tiffings made up of pressure die cast aluminium housing with high power LED 70 W and lens embedded with IP66 protection and impact resistance of IK07 including all wiring connection or as specified and directed including taking down old light of any type

S&F energy saving and environmental friendly long life LED street light tiffings made up of pressure die cast aluminium housing with high power LED 25 W and lens embedded with IP66 protection and impact resistance of IK07 including all wiring connection or as specified and directed. including taking down old light of any type

M&L for Earthing complete with galvanized steel pipe electrode, 40mm bore, medium grade, 3.5 meters length, buried directly and preferably vertically in ground with top edge not less than 1.25 meters below ground level connected with earthing lead galvanized iron strip of size 25x5 mm connected to galvanized earth pipe by means of bolts, nuts, checknuts and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slap with suitable handle made of 6mm round bar, including necessary excavation and earth work in any type of soil, 20mm dia medium grade galvanized steel tube for watering with one and fix with cast iron funnel and wire-mesh, with protection pipe of 32mm dia light grade galvanized steel tubing upto 7.5 meters length for drawing earthlead including common salt, charcoal, bentonite in alternate layers etc, all in arround of earhing pipe of 600 mm,complete all as shown in EP number 2 of SSR Part-1 including testing on completion and including taking down old U/S earthing & testing complete all as specified and as directed.

Dismantling existing ACSR/earthwire (any size) from over head line completeall as directed by Engr-in-Charge.

Dismantling insulators any type and any size complete all as directed by Engr-in-Charge.

Dismantling of cross arm (made of MS channels/angles etc.) or clamps etc.complete and stacking aside for re-use / replacement all as directed by Engr-in-Charge

M&L for replacement of steel tubular swaged poles complete with cast iron base plate, finial taper plug bolts, nuts & screw as specified type 410 SP-31, 9.0 meter long with initial coating of red oxide primer and siliver paint after fixing and necessery clamps/brackets incl taking down existing old one all as specified and directed by Engr-in-Charge.

S & F in repair 5 KW ,three phase automatic Street Light timer switch for automatic switching on/off street light based on lux level of nature light, consisting of sensor overload protection fuse gear, power contactor & MCB of suitable capacity, terminal blocks for cable entry & control unit enclosed in pole/Wall mountable elcosure made out of rust proof, shock proof, termite proof FR grade SMC, conforming to IP 66 with universal lock and key arrangement complete all as specified and as directed by Engr- in- Charge

S&F earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4mm dia galvanised iron all as directed.

M&L for taking up/lifting of submersible motor and pump assembly complete of any type/size upto 20 HP with unserviceable cable of any make and capacity from deep tube/bore well (of any depth) after providing lifting tools and tackles complete as required at site, carefully disconnecting of all electric connections, water connections in and including dismantling of column pipe lines shaft (of any size and length stage by stage) and keeping them aside under safe custody for reuse at site complete all as specified and directed by Engr-in-charge

M&L for lowering of repaired submersible motor and pump assembly complete of any type/size upto 20HP capacity with submersible cable of any make and size complete in deep tube/bore well of any depth coupling with pump and motor, in and including connecting and lowering of old or new column pipe line shaft of any size and length (stage by stage) carefully with the help of necessary tools and tackles, reconnecting of all electric and water connections with new nuts bolts washers and rubber gasket and testing on load upto the entire satisfaction of Engr-in-charge complete all as specified and directed. Note: Column pipe if required will be measured and paid under relevant supply only item.

M&L for transportation of defective submersible pump set to workshop dismantling the same incl disconnecting electrical connections decoupling 440 volt AC submersible motor pump set of following capacities, dismantling the motor,taking out burnt winding wire from the stator, cleaning of the casing and the stator with wire brush, rewinding of motor with superior quality copper winding wire of existing size including varnishing an drying, cable jointing and repair replacement of worn at parts of pump reassembling the same with motor installing the motor and pump , reconnecting all pipe and electric connections and testing on full load complete :- Note: Spare parts replaced shall be measured & paid seperately under respective supply only item of schedule. Cost of rewiring and winding materials is included in item rate.

10 HP to 15HP capacity three phase

1.5 HP to 3.0 HP capacity 3/1 phase.

S&F in repair flat submersible motor cable, three core, copper conductor of size 6.0 sqmm, including providing necessary connection and testing on completion complete all as specified and directed.

Supply only following spare parts suitable for submersilble pump set vertical type (10 HP to 15 HP ) complete all as specified and as directed :-

Stainless steel impeller as per existing

Thrust bearing as per exsiting

Thrust plate set as per existing

Sand guard as per existing

Stainless steel bush as per existing

Pump shaft as per existing

Supply only following spare parts suitable for submersilble pump set vertical type (1.5 HP to 3 HP ) complete all as specified and as directed :-

Stainless steel impeller as per existing

Thrust bearing as per exsiting

Thrust plate set as per existing

Sand guard as per existing

Stainless steel bush as per existing

Pump shaft as per existing

Development of tube well using conventional method by means of air compressor of suitable capacity at least 12 hours minimum, untill sand free/ mud free, clean water obtained from the existing deep tube well including water testing from Govt. lab or approved lab of Govt, complete all as specified and directed.

Supply only column pipe 100mm dia GI pipe heavy grade, 3 meter in length & both ends long threaded, including provision of heavy duty coupling / socket dia 100 mm and 150 mm long complete all as specified and directed

Supply only column pipe 80mm dia GI pipe heavy grade, 3 meter in length & both ends long threaded, including provision of heavy duty coupling / socket having dia 80 mm and 150 mm long complete all as specified and directed

Supply and fix in repair Fully automatic three phase star delta starter in sheet metal enclosure type with overload, shortckt, single phasing, locked rotor, earth fault, current unbalance, phase sequence reversal, under current, over/uner voltage protections for 15 HP capacity motor complete all as specified and directed by Engr-in-charge.

M&L for complete servicing of chemical dosing system by cleaning all components, replacing any damaged item, drilling hole in pipe and fixing NRV injection valve and connecting it with high pressure discharge tube to dosting system avoiding any leaks with suitable arrangements and testing after completion all as directed by Engr-in-charge. (Note: all items required to be replaced will be paid seperately under supply only items)

Supply only injection valve (NRV) to protects againt backflow and generates optimal pressure all as directed

Supply only Suction and discharge tubes 3/8" high pressure for injecting chlorine all as directed.

Supply only Suction and discharge tubes 12mm dia high pressure with reinforce mesh for injecting chlorine all as directed.

M & L for Preparation of metalic surface with sand paper for street light pole and other steel surface complete all as specified and as directed by Engr- in-Charge

M & L for red oxide zinc chrome of metalic surface for street light pole and other steel surface complete all as specified and as directed by Engr- in-Charge

M & L for aluminium paint double coat of metalic surface for street light pole and other steel surface complete all as specified and as directed by Engr- in-Charge

M & L for Yellow/black paint double coat of metalic surface complete all as specified and as directed by Engr- in-Charge

M & L for Preparation of Cement surface with sand paper for pole and other cement surface complete all as specified and as directed by Engr- in-Charge

M & L for exterior priming paint plaster coat suitable for cement surface for pole and other surface complete all as specified and as directed by Engr- in-Charge

M & L for weather coat emulsion paint double coat of Cement surface for pole and other surface complete all as specified and as directed by Engr- in-Charge

Taking up or down from any position existing water tubing of any type and connections carefully including cleaning for refixing or removal to E/M store yard or issued as credit complete all as specified and as directed for following sizes:- Note :Excavation/earth work shall be measured and paid separately under respective item of schedule considered here-in-before.

20 mm bore

25 mm bore

40 mm bore

50 mm bore

100 mm bore

Relaying/refixing of old serviceable water tubing jointing and testing as obtained from item No. 49 here-in-before in new or existing position including all new fittings, ISI Marked, such as bends, elbow, tee, reducers, sockets, unions, flange etc as required, laid in trenches or fixed to wall/cellinng or floors including making holes in wall where required complete all as specified and directed by Engr-in-charge for the following sizes:-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

100 mm bore

Supply, laying, jointing & testing galvanised iron tubing medium grade with all fittings such as bends, elbow, tee, socket, reducers, unions etc as required at site laid in trenches complete all as specified and directed for the following sizes:-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

100 mm bore

S & F in repair gun metal gate/globe valve, ISI Marked, with iron wheel headed screwed both ends for pipe including taking down unserviceable complete all as specified and as directed of the following sizes:-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

S & F sluice valve 150mm, PN 1.6 with Stainless steel spindle nuts, bolts, washers and rubber gasket sheet for packing including taking out existing unserviceable sluice valve fixed at any position all as specified and directed by Engr-in-Charge

S & F sluice valve 100mm, PN 1.6 with Stainless steel spindle nuts, bolts, washers and rubber gasket sheet for packing including taking out existing unserviceable sluice valve fixed at any position all as specified and directed by Engr-in-Charge

M&L for construction of valve chamber with MS sheet cover 4mm thick with angle iron) frame of size 50 x 50 x 6mm and locking arrangements including excvation and earth work in any type of soil,PCC (1:4:8) type D2 in foundation ,PCC benching 1:2;4 type B-1 ,PCC (1:5:8) block masonry 20 cm thick in cement mortor (1:6),10 mm thick plastering in CM 1:4 ,PCC bed in (1:3:6) and coping 50mm hick in cement concrete 1:2:4 type B1 using 20mm stone aggregate including necessary formwork,paintin one coat of red oxide and two coats of bituminious black paint on all steel surfaces as specified and as directed of sizes 1200mm x 1200mm x1200mm (internnal dimensions) including demolition of existing valve chamber,complete all as specified and as directed.

S&F as in repair Dry run protection relay with detection of single phase preventer,VI meter(current base),3 phase motor starter or as existingsize complete al as specified and as directed.

S&F Single Phase Preventor used for automatic Star Delta Starter with on delay timmer (2-3min) and auto manual switch, complete all as specified and as directed.

Biswas Brothers Co

D.D. BROTHERS

SRI SURAJIT SENGUPTA

M/S Bikash Saha

M/S S.B. CONSTRUCTION

M S ALOK SAHA

M/s. STRUCTURES INDIA