REPAIR AND MAINTENANCE TO EXTERNAL ELECTRIFICATION AND ALLIED WORKS AT 20 WING, 273SU AND 46 WEU AND COMPREHENSIVE MAINT OF ELECTRICAL FITTINGS AT AIRMEN MESS, SNCOS MESS, OFFICERS MESS, BILLETS AND PHASE I AREA AT AF STN BAGDOGRA

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for taking out pipe line etc for repairs / laying cables etc and getting out in soft / loose soil complete all as specified and as directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed.

Removal of excavated material [soil] to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

Material and labour for clean dry sand in trenches/ducts for cushioning to cable complete all as specified. Note : Punned thickness shall only be measured.

Supplying and laying Bricks, common burnt clay building bricks, sub-class ‘B’ designation 75 complete all as specified and as directed.

Material and labour for removing and re-laying/laying of LT UG cables of any size for re- routing or any maintenance purpose all as specified and directed. Note- (i) Excavation, removing, returning filling, sand and bricks will be measured and paid separately.

Supply, fixing and laying in trenches after removing old cable and fixing or passing through pipe, 1100 Volts grade heavy duty LT UG cable, 120 Sqmm, 3.5 Core with XLPE insulated stranded Aluminium conductor served with an inner sheathing of PVC tape, Armoured with galvanised steel wire and overall sheathed including cable gland, lugs, jointing material etc, jointing, connecting, testing and commissioning all as specified and directed.

All as per Ser item No. 07 above, but 95 Sqmm, 3.5 Core

All as per Ser item No. 07 above, but 70 Sqmm, 3.5 Core

All as per Ser item No. 07 above, but 50 Sqmm, 3.5 Core

All as per Ser item No. 07 above, but 35 Sqmm, 3.5 Core

All as per Ser item No. 07 above, but 25 Sqmm, 3.5 Core

All as per Ser item No. 07 above, but 16 Sqmm, 4 Core

All as per Ser item No. 07 above, but 16 Sqmm, 2 Core

All as per Ser item No. 07 above, but 10 Sqmm, 4 Core

All as per Ser item No. 07 above, but 10 Sqmm, 2 Core

Supply and laying in replacement of Tubes, 'light grade', galvanised iron, 50 mm dia laid in trenches for cable protection at road crossing etc including necessary making good or fixing on wall / poles of any type, secured with clamps and required boring under road or hard surfaces complete with all fittings laid in trenches all as specified and as directed by the Engineer - in - Charge.

Supply and laying in replacement of Tubes, 'light grade', galvanised iron, 80 mm dia laid in trenches for cable protection at road crossing etc including necessary making good or fixing on wall / poles of any type, secured with clamps and required boring under road or hard surfaces complete with all fittings laid in trenches all as specified and as directed by the Engineer - in - Charge.

S & F PVC weather proof, hinged door, junction box with, 240V, Neutral link, three phase connector, with IP 66/67 protection suitable for outdoor installation on pole/wall surface and including with 1 No MCB SP of 6 Amps, necessary fixing arrangement such as clamps, nut, bolts, etc including dismantling old unserviceable junction box all as directed. Make : Sintex Cat Part No. GSMB 2520, Hensel Cat Part No KF 2500H or equivalent of ISI Mark as approved.

Material and labour for preparation of surfaces for LT pole painting by scrapping damaged paint and painting with two coats of silver aluminium paint and writing pole No with black paint on yellow circuit each of 15 cm all as directed.

M & L for pole Earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the galvanised iron strip 25×4mm, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 15 mm, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, test point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”.

All as per item No. 21 above, but using 32 x 6 mm thick GI strip.

S&F in repairs galvanized iron strip of size 25 x 4 mm as earth continuity conductor buried in ground or fixed to wall/floor/ground provided with porcelain insulators space no less than 0.5 mtrs complete all as specified and directed.

All as item No 23 above but galvanized iron strip of size 32 mm x 6 mm

M&L for Cable jointing kit for LT straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70 to 120 sqmm complete all as specified and directed.

All as per item No. 25 above but for 3.5 / 4 core XLPE armoured aluminium conductor cable of size 25 to 50 sqmm.

All as per item No. 25 above but for 4 core XLPE armoured aluminium conductor cable of size 10 to 16 sqmm.

Material and labour in repair for LT Panels outer doors made out of 3.15mm thick CRCA Sheet factory fabricated lockable / openable by keys or nuts locking system as per existing one. The degree of protection of outer doors shall be IP-54 and painting the complete panel from out side as per the existing colour complete all as specified and as directed.

Supply and fixing in repairs Digital type Voltmeter 0-500 Volt, Three Phase Class 1.0 panel mounted 96 x 96 Sqmm, flush mounted case complete with necessary fixing all as specified and as directed.

Supply and fixing in repairs ammeter 0-250 Amps, Digital type, Three Phase Class 1.0 panel mounted 96 x 96 Sqmm, flush mounted case with suitable size of CT complete with necessary fixing all as specified and as directed.

Supply and fixing in repair LED indicators (colour red/yellow/blue/white/green) complete all as specified.

Supply and fixing in existing panel for replacement of 4 pole on load changeover switch (I-O-II), for open execution of capacity 125 amps, complete with necessary fixing all as specified.

Supply and fixing in existing panel for replacement of 4 pole on load changeover switch (I-O-II), for open execution of capacity 400 amps, complete with necessary fixing all as specified.

Taking down old unserviceable ACSR conductor of any size from poles and M&L for ACSR conductor including stringing on LT poles complete incl aluminium binding wires, jumpering, bindings at insulators etc complete all as directed.

M & L for galvanised steel wire 4 mm dia to be stringed as continuous earthing wire on over head LT lines complete all as directed including taking down the old rusted earth wire.

S & F Cross arm, bracings, supports, clamps and back plate fabricated from structural steel section, including nut, bolts, washers, welding, bendings cold or hot, drilling hole for both in any shape or size as indicated or directed and inclusive of one prime coat, one under coat and one finishing coat of paint including taking down the old unserviceable cross arms complete all as directed.

M & L for galvanised stay strand (Grade 2), size 7/4.0mm complete all as directed including taking down the old unserviceable stay wire.

M & L stay assembly complete with accessories as shown in electrical plate No 1 (Loop type insulator, stay clamps, excavation and concrete only measured separately) using diameter of stay rod 16 mm and MS stay plate 230mm x 230mm including taking down complete all as directed.

Taking out old unserviceable PCC poles 9 mtr long and supply and erection of steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts, screws as specified type 410 SP-31 (9.0 mtr long) and shifting of conductors and insulators etc incl painting the exposed portion of the pole with two coats of aluminium paint over a coat of red oxide primer and internally through out plus embedded portion with two coats of black bituminous paint over a coat of red oxide primer. Marking of pole number with black paint in yellow circle all as specified.

Demolition of PCC of any description above/below ground level exceeding 15cm complete all as specified and directed.

M & L for Plain cement concrete (1: 4 : 8) type D-2 (using 40mm graded stone aggregates) below GL as in foundation of pole etc all specified and directed.

M & L for Plain cement concrete (1:3:6) type C1 (using 20mm graded stone aggregate) for coping for pole and stay complete all as per site requirement and as directed.

M&L for Plain cement concrete (1:3:6 ) type C2 (using 40mm stone aggregate) below GL as in foundation for stay assembly complete all as directed.

Disconnecting the windings of loose overhead conductors of LT lines from insulators and restringing the same for proper sag and rewinding incl aluminium winding wires, tapes etc and jumpering for any type of conductor complete of single run conductor all as directed. Note :- Trimming of tree branches if or as required at site upto 3 mtrs from the conductor is deemed to be included in the rates quoted.

Supply and fixing in replacement of insulator pin type porcelain vitreous , white brown or green insulator including one galvanised mild steel spindle, two galvanised washer and one GI nut 100 mm height and 65 mm dia for 1100 Volt grade complete all as directed.

Supply and fixing in replacement of insulator shackle type, porcelain, vitreous, white brown or green insulator including one galvanised mild steel straps, washers, insulator bolts, washer and nuts for working pressure 1100 Volts height 100mm, dia 115mm, section of strap (31x5) mm dia of bolt 14 mm complete all as directed.

Supply and fixing in replacement of loop type insulator vitreous white,brown or green insulator small size, with over all dimensions 65 x 90 mm, clearance of hole 16 mm complete all as directed.

Supply and fixing in replacing of 1100 volts grade heavy duty cable PVC insulated aluminium conductor served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 01 metre apart including 4 mm dia GI suspension wire one twin core cable flat or circular stranded conductor of size 10 sqmm complete all as specified and directed.

Supply and fix in repairs LT PVC Line spacer & separators of superior quality of 2 Way spiral type all as specified and as directed.

Supply and fix in repairs LT PVC Line spacer & separators of superior quality of 3 Way spiral type all as specified and as directed.

Supply and fix in repairs LT PVC Line spacer & separators of superior quality of 4 Way spiral type all as specified and as directed .

M&L for taking out old unserviceable MCCB TP/TPN/FP from existing Feeder pillar/ LT panel board and supply and fixing MCCB TPN/FP 125 amps capacity, rup capacity 25 KA, 415Volt s, 50 Hz including necessary modification in panel board for incoming and outgoing cable connection with replacement of brunt lugs of suitable size for aluminium conductor cable, nuts bolts etc as per site requirement and as directed.

All as per Item No 52 above but 160 amps capacity, 25 KA complete all as specified and as directed.

All as per Item No 52 above but 200 amps capacity, 36 KA complete all as specified and as directed.

All as per Item No 52 above but 250 amps capacity, 36 KA complete all as specified and as directed.

All as per Item No 52 above but 400 amps capacity, 36 KA complete all as specified and as directed.

Supply and fixing in replacement of 4 pole on load changeover switch (I-O-II), with SS Enclosure of capacity 125 Amps, complete with necessary fixing all as specified .

Supply and fixing in replacement of 4 pole on load changeover switch (I-O-II), with SS Enclosure of capacity 200 Amps, complete with necessary fixing all as specified.

Supply and fixing in replacement of 4 pole on load changeover switch (I-O-II), with SS Enclosure of capacity 315 Amps/320 Amps, complete with necessary fixing all as specified.

M & L for Cutting out the burnt out cable end and reconnecting with providing new lugs, tapes etc for cable size 25 sqmm 3.5 core to 50 sqmm 3.5 core complete all as specified and directed. Note :- Replacement of cable lugs for all three phases and neutral to be measured as one job.

All as per Item No 60 above but for cable size 70 sqmm 3.5 core to 95 sqmm 3.5 core complete all as specified and directed.

All as per Item No 60 above but for cable size 120 sqmm 3.5 core to 300 sqmm 3.5 core complete all as specified and directed.

Taking down carefully copper/aluminium point wiring complete (light, fan, plug point & power complete alongwith fittings (switches, ceiling roses, tube light fittings, bulk head fitting regulator, sockets, removing materials to store and offering credit & making good of disturb surfaces of wall/floors etc as specified & directed.

M&L for Point wiring with 1.5 Sqmm (22/0.30mm) PVC insulated and unsheathed multistranded copper conductor cable, 1100 volts grade, ISI marked, FRLS type drawn through and including PVC concealed conduit (ISI marked) of adequate size and its accessories with sunk cast iron/pressed steel terminal boxes of size 1.6mm thick, with 3mm thick plastic laminated sheet cover of adequate size for one light or one fan point controlled by one switch incl 1.5 Sqmm (nominal area) copper conductor cable (multistrand), FRLS type, PVC insulated and unsheathed with colour code earth wire connected to common earth dolly at one end and metalic bodies of luminaires/ fan at other end complete as per site requirement and all as specified & directed by Engr-in-Charge for the following:- (a) One light point or one fan point controlled by one switch with cables 1.5 sqmm size Note:- Unit rate include for cutting chases for conduits and sinking for boxes and making good to wall, floors etc.

All as per ser item No. 64 above but for One 5 Amp 5 pin socket outlet point on same board with other switches including earth wire as specified.

All as per ser item No. 64 above but for One 5 Amp 5 pin socket outlet point on independent board.

All as per ser item No. 64 above but with 4.0 Sqmm (36/0.30mm) PVC copper stranded cable FRLS type for one 15 Amp 5 pin socket outlet point including PVC cable 4 Sqmm FRLS type copper stranded conductor as earth wire as specified & connected to common earth & earth terminals including boards for mounting purposes.

All as per ser item No. 64 above but one light point controlled by 2 way switches.

All as per ser item No. 64 above but one bell/buzzer point controlled by one push button on the same board with other switches or independent.

M&L for point wiring with 1.5 Sqmm (22/0.30mm) PVC insulated and unsheathed multistranded copper conductor cable, 1100 volts grade, ISI marked, FR type drawn through and including PVC casing caping/ PVC Conduit (ISI marked) and its accessories such as Tee, elbow, jointer, elbow corner etc. fixed on surface of walls, coloumns/ beams alongwith 1.5 Sqmm (nominal area) copper conductor cable (multistranded) PVC insulated and unsheathed as earth wire connected to common earth dolly at one end and metalic bodies of luminaire/ fan at other end including PVC folding boards with sunmica top for mounting switches, sockets, fan Regulators, accessories etc as per site requirement and all as specified & directed by Engr-in-Charge for the following:- (a) One light point or one fan point controlled by one switch with cables 1.5 sqmm size.

All as per ser item No. 70 above but for One 5 Amp 5 pin socket outlet point on same board with other switches including earth wire as specified.

All as per ser item No. 70 above but for One 5 Amp 5 pin socket outlet point on independent board.

All as per ser item No. 70 above but with 4.0 Sqmm (36/0.30mm) PVC copper stranded cable FRLS type for one 15 Amp 5 pin socket outlet point including PVC cable 4 Sqmm FRLS type copper stranded conductor as earth wire as specified & connected to common earth & earth terminals including boards for mounting purposes.

All as per ser item No. 70 above but one bell/buzzer point controlled by one push button on the same board with other switches or independent.

All as per ser item No. 70 above but one light point controlled by 2 way switches.

Supply and Fixing bell push, flush type, 5 Amp single pole, 230 volts white finish all as specified & directed.

Supply and fixing switch piano flush button 5 Amp single pole 2 way 230 volts white finish all as specified & directed.

Supply and fixing in replacement switch piano flush button 5Amp single pole one way 230 volts white finish all as specified & directed.

Supply and fixing in replacement of socket outlet flush type 5 pin 5 Amp multipurpose 230 volts single pole one way suitable for 3 pin/2pin 5 Amp plug top white/ivory finish all as specified & directed.

Supply and fixing in replacement switch socket combination flush type 5 pin 5 Amp multipurpose 230 volts single pole one way suitable for 3 pin/2pin 5 Amp plug top white/ivory finish.

Supply and fixing in replacement of switch socket combination multipurpose flush type 2 in 1 type (3 and 5 pin) 5/15 Amps, 230V, AC.

Supply and fixing in replacement ceiling rose surface PVC 50mm dia 3 terminals including PVC mounting block white/ivory finish.

Supply and fixing in replacement surface and wall mounted LED batten 20 watt - 1200mm White with Aluminium housing & integrated electronic driver, high performance batten and efficacy should not less than 100 lumen/watt and all as specified and directed.

Supply and fixing in replacement surface and wall mounted LED batten 10 watt - 600mm White with Aluminium housing & integrated electronic driver, high performance batten and efficacy should not less than 100 lumen/watt and all as specified and directed.

Supply & fixing in replacement LED light fitting 1x9W/ 1X10W bulkhead luminaires including LED light driver holder connecting up with three core flexible copper conductor cable of suitable size as per site requirement and all as specified and directed.

Supply and fixing in replacement energy efficient Street/ Roadway/Building Security Luminaire LED fitting upto 35 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, including brackets and all accessories needed to fixed to the wall or pole all as per site requirement and as specified and directed.

Supply and Fixing in replacement Lamp holder, PVC/Polycarbonate type with back plate suitable for batten fitting complete.

Supply & fixing in replacement stepped type electronic fan regulator flush type on the existing phenolic laminated sheet etc. as reqd all as specified and directed of approved make.

Supply & fixing in replacement exhaust fans AC single phase 230/ 240 V of size 300 mm sweep with louver complete as per site requirement and all as specified and directed of approved make.

Taking down carefully copper/aluminium sub main wiring complete alongwith all connected accessories etc as specified & directed.

Supply and fixing submain wiring with two single core PVC insulated unsheathed, multistranded flexible copper conductor 1100Volts grade, FRLS type, cables 6 Sqmm drawn through in and including rigid PVC heavy duty concealed conduits including 6 Sqmm 1100Volts grade, FRLS type, PVC insulated unsheathed multi stranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified and directed. Note:- (i) Two runs of cables and one run of continuous earthing cable and conduit will be measured as one length of sub main. (ii) PVC conduit and its accessories is deem to be included in this item rates. (iii) Unit rate include for cutting chases for conduits and sinking for boxes and making good to wall, floors etc.

Supply and fixing submain wiring with two single core PVC insulated unsheathed, multistranded flexible copper conductor 1100Volts grade, FRLS type, cables 10 Sqmm drawn through in and including rigid PVC heavy duty concealed conduits including 10 Sqmm 1100Volts grade, FRLS type, PVC insulated unsheathed multi stranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified and directed. Note:- (i) Four runs of cables and two run of continuous earthing cable and conduit will be measured as one length of sub main. (ii) PVC conduit and its accessories is deem to be included in this item rates. (iii) Unit rate include for cutting chases for conduits and sinking for boxes and making good to wall, floors etc.

Supply and fixing of submain wiring with two single core PVC insulated unsheathed, multistranded flexible copper conductor 1100Volts grade, FRLS type, cables 6 Sqmm drawn through in and including rigid PVC heavy duty PVC casing caping upto 32mm or PVC conduit upto 25mm on wall surface/ recessed as required at site including 6 Sqmm 1100Volts grade, FRLS type, PVC insulated unsheathed multi stranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified and directed. Note:- Two runs of cables and one run of continuous earthing cable and casing and caping will be measured as one length of sub main.

Supply and fixing of submain wiring with two single core PVC insulated unsheathed, multistranded flexible copper conductor 1100Volts grade, FRLS type, cables 4 Sqmm drawn through in and including rigid PVC heavy duty PVC casing caping upto 32mm or PVC conduit upto 25mm on wall surface/ recessed as required at site including 4 Sqmm 1100Volts grade, FRLS type, PVC insulated unsheathed multi stranded flexible copper conductor cable as continuous earth wire and connecting to common earth terminals complete all as specified and directed. Note:- Two runs of cables and one run of continuous earthing cable and conduit / casing and caping will be measured as one length of sub main.

Taking down carefully DB/ Sheet Metal Enclosure with existing MCBs complete & making good of disturb surfaces of wall/floors etc as specified & directed.

Supply and fixing distribution board sheet metal enclosure double door shutter type factory made fixed flush with wall or outside on wall surface suitable for mounting isolators & MCB's 415 volts, 200 Amp rated bus bar with front openable cover suitable for TP & N 4 ways all as specified & directed.

Supply and fixing distribution board sheet metal enclosure double door shutter type factory made fixed flush with wall or outside on wall surface suitable for mounting isolators & MCB's 240volts, 200 Amp rated bus bar with front openable cover suitable for SP & N 4 ways all as specified & directed.

Supply and fixing distribution board sheet metal enclosure double door shutter type factory made fixed flush with wall or outside on wall surface suitable for mounting isolators & MCB's 240volts, 200 Amp rated bus bar with front openable cover suitable for SP & N 8 ways all as specified & directed.

Supply and fixing sheet metal enclosure (factory made), VTPN Vertical Distribution Boards, IP43 protection suitable for MCCB's upto 125A as as incomer, Double Door, 8 way with 250 Amps rated copper busbar all as specified and directed.

Supply and fixing sheet metal enclosure (factory made), VTPN Vertical Distribution Boards, IP43 protection suitable for MCCB's upto 125A as as incomer, Double Door, 4 way with 250 Amps rated copper busbar all as specified and directed.

Supply and fixing sheet metal enclosures with plug socket single pole and neutral with two pin and earth plug and with one MCB of 20 Amps (SP) complete all as specified .

Supply and Fixing in replacement of MCB SP 6-32 Amps/ 40 Amps, 230 Volts, 50 Hz with 10 KA , 'C' series all as specified & directed.

Supply and Fixing in replacement of MCB SPN/DP upto 32 Amps, 230 Volts, 50 Hz with 10 KA , 'C' series all as specified & directed by Engineer-in-charge.

Supply and Fixing in replacement of MCB TPN upto 32 Amps, 230 Volts, 50 Hz with 10 KA , 'C' series all as specified & directed.

Supply and Fixing in replacement of MCB TPN upto 40 to 63 Amps, 230 Volts, 50 Hz with 10 KA , 'C' series all as specified & directed.

Supply and fixing Slim design LED recessed round/Square down lighter 12watt polycarbonate housing with superior light output and integral driver and Efficacy not less than100lm/w suitable for roof ceiling including connecting up with three core flexible copper conductor cable of suitable size including taking down existing fitting complete all as specified and as directed.

Supply and Fixing in replacement LED panel light 18 watt efficient LED recessed luminaire 1 ft x 1 ft (>100 Lumen/Watt) to enhance the delight of occupants with comfortable experience through its classic design & glare free soft illumination for Armstrong/ grid ceiling or similar ceiling mounting system with concealed complete prewired complete as per site requirement and all as specified and directed.

Supply and Fixing in replacement LED panel light 36 watt efficient LED recessed luminaire 2 ft x 2 ft (>100 Lumen/Watt) to enhance the delight of occupants with comfortable experience through its classic design & glare free soft illumination for Armstrong/ grid ceiling or similar ceiling mounting system with concealed complete prewired complete as per site requirement and all as specified and directed.

Supply and fixing Round/Square surface mounted LED panel 6 Watts, PDC aluminium housing and high translucent frosted plastic diffuser makes it a robust Luminaire, Efficacy not less than100lm/w, suitable for fixing at roof/ceiling including connecting up with three core flexible copper conductor cable of suitable size including taking down existing fitting complete all as specified and as directed.

Supply and fixing Round/Square surface mounted LED panel 12 Watts, PDC aluminium housing and high translucent frosted plastic diffuser makes it a robust Luminaire, Efficacy not less than100lm/w, suitable for fixing at roof/ceiling including connecting up with three core flexible copper conductor cable of suitable size including taking down existing fitting complete all as specified and as directed.

S & F in replacement of Post top, 30W LED lamp, LED post top Lantern E-Top with low glare optical design acrylic diffuser wired with all accessories, 240V, including connecting up with three core flexible copper conductor cable of suitable size complete all as specified and as directed.

Supply and fix in replacement of MCCB 125 Amp, TP/TPN/FP, 415 volts with rupturing capacity 16KA as per site requirement complete all as specified and directed.

Supply and Fixing in replacement of RCCB DP 30mA, 230 Volts, 50 Hz of capacity upto 40 Amp as per site requirement and as directed.

Taking down carefully Surge protection device complete

Supply and fixing Surge protection device, for main protection, 4P, 4 module, I max40 kA capacity including connections complete all as specified and directed.

Material & Labour in replacement of Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6 mm thickness burried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of earth plate not less than 1.5 mtr below normal ground level connected to and incl galvanised earth lead wire of 4.00mm dia by means of nuts & bolts, check nuts and washers of galvanised incl PCC pit of 1:2:4 type B-1, cover reinforced with XPM weight not less than 4 Kg/Sqm and 6mm dia bar handle, earth pit angle iron frame of size 25mm x 25mm, excavation and earth work in any type of soil, charcoal dust, salt, light grade GI watering pipe 20mm dia with funnel and wire -mesh and medium grade GI protection pipe of 15mm bore from top edge of earth plate upto main distribution board complete all to as shown in electrical plate No 3 of MES Sch 2009 (Part I) connected main switch board all as specified and testing on completion.

Supply & Fixing in replacement of modular type fan regulator, AC 230 Volts.

Supply & Fixing in replacement of switch modular type 6 Amps one way AC 230 Volts.

Supply & Fixing in replacement of switch modular type 16 Amps one way AC 230 Volts.

Supply & Fixing in replacement of modular type bell push 6 Amps, AC 230 Volts.

Supply & Fixing in replacement of modular type socket 6 Amps 2/3 pin combined, AC 230 Volts.

Supply & Fixing in replacement of modular type socket 6/16 Amps 2/3 pin combined, AC 230 Volts

Supply & Fixing in replacement of modular white cover plate with frame, 2 module.

Supply & Fixing in replacement of modular white cover plate with frame, 4 module.

Supply & Fixing in replacement of modular white cover plate with frame, 8 module.

M&L in replacement submain wiring PVC insulated FRLS single core with stranded copper cable of size 6 Sqmm in 2 runs and 6 Sqmm one run for earth drawing through existing surface, casing/caping, recessed steel/PVC conduct complete as per site requirement and all as directed. Note:- Two runs of main cable and one run of earth cable all-together shall be considered as one length).

M&L in replacement of submain wiring PVC insulated FRLS single core with stranded copper cable of size 4 Sqmm in 2 runs and 4 Sqmm one run for earth drawing through existing surface, casing/caping, recessed steel/PVC conduct complete as per site requirement and all as directed. Note:- Two runs of main cable and one run of earth cable all-together shall be considered as one length).

Replacement of plastic laminated sheet top cover 3mm thick of approx size 4" x 4" or 6" x 4" as per site requirement and fitted with MS galvanised screws and cup washer in repairs including cutting of sheet and shifting of all fixtures from the old switch board and connection complete all as specified and directed. Make :- Anchor/ Hylum/Mayur.

All as per item No 128 above but for plastic laminated sheet top cover 3mm thick of approx size 8"x 5" or 9" x 7". Make :- Anchor/ Hylum/Mayur.

All as per item No 128 above but for plastic laminated sheet top cover 3mm thick of approx size 11"x 9". Make :- Anchor/ Hylum/Mayur

Taking down hanging laminated sheet cover of any size and re-fixing the same in repairs by replacing rusted screws and cup washers etc.,complete all as specified and directed.

Supply and fixing in repairs for Circular Hylam Sheet upto 10 cm dia of 3 mm thick including brass machine screws of suitable size as per site requirement (for using as Junction box Cover) all as directed.

All as per item No 132 above but for Circular Hylam Sheet of 15 cm dia of 3 mm thick (for using at ceiling as Canopy Cover for ceiling fan) all as directed.

M&L for point wiring in repairs complete with multistranded copper conductor 1.5 Sqmm nominal area PVC insulated FRLS 1100 volts grade electrical cable in but with through existing concealed PVC/MS conduit/Casing caping with replacement of unserviceable pressed steel terminal boxes of required size with top cover 3 mm thick plastic/laminated sheet of required colour with screwed and cup washer with all accessories including 1.5 sqmm stranded copper conductor PVC unsheathed cable earth wire to common earth and connected to earth dolly for One Fan/exhaust fan point controlled by one switch 5 Amps one way using cable 1.5 Sq mm for phase and neutral and 1.5 sqmm for earthing complete all as per site requirement and as directed.

All as per item No 134 above but One 3 pin 5/6 Amps, socket outlet point, independent board, for Wall/Cabin/Pedestal fan etc with cables 1.5 sqmm size with through existing concealed PVC/MS conduit.

Repairs to hanging/old point wiring for light point/ceiling fan/exhaust fan etc on wall surface by replacing with heavy duty PVC casing caping upto 32mm or PVC conduit upto 25mm with all accessories with all accessories and including single core copper cable of suitable gauge in short lengths, MS boxes, sheet top covers, and fixed with cadmium platted steel screws, complete, all as specified and directed including testing and making full functional for that point after repair. Note:- fitting and fixtures if replaced will be paid and measured separately).

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule A notes for details.

SUNIL DAS AND CO

M/S P K ROY AND CO

NIRANJAN SARKAR

M/S BENGAL ENGINEERING ENTERPRISES

M/S SUNNY ENTERPRISE

M/S MANAS MITRA

HALDER ENTERPRISERS

M/S Banerjee construction co