REPAIR AND MAINTENANCE OF ELECTRICAL PANEL LT PANEL LT SWITCH GEAR AND CONNECTED WORKS AT 20 WING 273 SU AND 46 WEU AF STATION UNDER GE AF BAGDOGRA

Amount

M&L for repairs to LT panel boards complete with necessary welding works to doors, replacement of unserviceable hinges and all drop bolt, dismantling all cables, replacing insulation sleeves of busbar as per colour code, replacing cable lugs connecting using new bolts, nut, bolts & washers and replacing damaged cable glands complete including painting of all indoor and outdoor panels with two coat of synthetic enamel paint of approved color internally and externally all as specified and as directed.

Taking down written shut down from concerned AGE (E/M)/JE (E/M) for trimming of tree branches touching to the LT/HT over head line or near to the LT/HT over head line as per the direction of AGE E/M/JE incharge complete including removing the tree branches from site complete all as specified and directed by Engr-in-Charge. Note :- (a) Span from one pole to next pole (30 to 50 RM) will be considered as a one Job. (b) Any damage cause due to contractormen will be rectified without any extra payment. (c) T & P such as ladder, rope, cutter, Axes and other related material for safety of Manpower will be provided by the contractor.

M&L for painting all type/size of panel boards all indoor and outdoor with two coat of synthetic enamel paint of approved color and make internally and externally all as specified and directed .

Cleaning/clearing of vegitation around the installations and disposing off as specified and as directed.

M&L for completeremovalofexisting treatmentof LT Pole

S & F in replacement of off load change over switch in sheet enclouser, 415 Volt, 50 Hz , 200 Amps, 4 pole with side handle with all accessories. Make: Havells Cat No. IHBFFE0200 or equivalent make of Legrand/HPL.

Supply , fixing, connecting and testing in replacement Automatic transfer switch 200 Amp, 4 pole with SMPS/Controller complete all as specified and directed. Make - Havells Cat Part No IHYFCDO200 or equivalent of L&T/ Legrand.

Dismantling of old steel pole/struts any type and size including demolition of concrete, foundation, necessary excavation and earth work and transportation etc complete all as direcrted

Supply, install and errect in true vertical steel tubular swaged pole complete with MS Box plate 6 mm thick of size 300 x 300 mm finial taper plug, cap, bolt, nuts washers & screws as specified type 410-SP-31 (9 mtr long) Made out of ERW MS tubing confirming to IS-2713 Part II including drilling holes of required size for fixing cables etc painting with two coat of aluminium paint over a coat of red oxide primer for exposed surface and two coat of black bituminious paint for the portion embeded in concerete complete all as specified and as directed by Engineer -in-charge.

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

M&L for PCC 1:4:8, type D2 (using 40mm graded stone aggregate) for pole / struts foundation etc all as specified and directed.

M&L for PCC 1:2:4 type C1 (using 20mm graded stone aggregate) for coping including necessary form work and fair finishing of exposed surface of concrete all as specified and directed.

Dismantling of cross arms, MS Channel or angle, Chain link fencing section etc complete including dismantling of nut, bolts and washers all as specified and directed.

S&F cross arms, Bracings, support channel, backpate hooks etc fabricated from structural steel, sections (MS Channel) of required size and shape including nuts, bolts,washers, welding, bending , cutting cold or hot, drilling holes for inserting bolts as indicated and directed including painting with one coat of red oxide primer and two coats of silver aluminium paint complete all as specified and directed.

Dismantling fencing wire mesh any type, fixed to RCC/angle iron posts complete all as specified and directed.

Supply only Chain link MS galvanisd fencing, any size and any type etc all as specified and directed by Engr in Charge.

Fixing only chain link fencing including line wires, any mesh, size and type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and as directed by Engr in Charge.

Supply only Steel round bar upto 10 mm dia and over for tying chain link fencing etc all as specified and directed by Engr in Charge.

S&F screw bolts (machine made) with hexagonal or square head at one end and rounded the other or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 5 cm but n.exc 10 cm and dia of shank 11 to 15mm and fixed in position complete all as specified and directed.

M&L for angle iron posts of size 40x40x6mm for chain link fencing, with holes drilled and grouting in the foundation concrete all as directed (Fe 410W) Quality A complete all as specified and directed by Engr in Charge. Note :- Concrete for foundatin measured seperately under relevant item.

S&F Aluminium bus bar of adequate capacity and size as per requirement at site complete including colour coding sleeves all as per specified and directed by Engr in Charge.

S&F in replacement ,4 pole power contactors ,40 Amp, Conforms to IS/IEC 60947-4-1, 40 Amp, Aux contact 2 NO + 2 NC complete all as specified and directed.

S&F in replacement, 4 pole, power contactors, 63 Amp, Conforms to IS/IEC 60947-4-1, 63 Amp, Aux contact 2 NO + 2 NC complete all as specified and directed.

S&F in replacement ,4 pole, power contactors, 130 Amp, Conforms to IS/IEC 60947-4-1, 130 Amp, Aux contact 2 NO + 2 NC complete all as specified and directed.

S&F in replacement ,4 pole, power contactors, 200 Amp, Conforms to IS/IEC 60947-4-1, 200 Amp, Aux contact 2 NO + 2 NC complete all as specified and directed.

S&F in repairs Digital type, Voltmeter 0-500 volt, complete with necessary fixing all as specified and as directed by Engineer-in-Charge.

S&F in repairs, ammeter 0-250 amps, Digital type, with CT operated complete with necessary fixing all as specified and as directed by Engineer-in-Charge.

S&F in repairs, indicator lamp, (Red, Yellow, Blue) complete with necessary fixing all as specified and as directed by Engineer-in-Charge.

S&F in replacement on load change over switch I-O-II, 415 Volts, 4 pole phase barriers and handle with door interlocking kit of capacity 125 Amps.

S&F in replacement on load change over switch I-O-II, 415 Volts, 4 pole phase barriers and handle with door interlocking kit of capacity 200 Amps.

S & F Polycarbonate, IP66, Protaction weather proof, rust proof, UV resistance protection, class II of size 205(L) x 255(H) x 112(D) mm having internally emberded gaskets of PUR with per-molded nockouts for cable entry, flame retardent,self extinguishing witn glow wire test at 960 degrees C according to IEC - 60695-2-11, junction box with, 240V, Neutral link, three phase connector and 1 No MCB SP of 6 Amps, necessary fixing arrangement such as clamps, nut, bolts, etc including dismantling old unservieable junction box all as specified and directed. .

M&L for taking out old unserviceable MCCB TP/TPN /FP from existing LT panel board and supply and fix MCCB,TPN,400 amps of rupturing capacity, 50 KA at 415 volts, 50 Hz AC supply including necessary modification in panel board if required to fix the MCCB complete with replacement of incoming and out going cable connection with lugs, aluminium conductor cable of proper size, nuts bolts all as directed. replacement of brunt lugs and wire/cable pieces etc as required at site.

All as per Item No 33 above, but MCCB TP/TPN /FP 200 amps of rupturing capacity ,35 KA, ,complete all as specified and as directed.

All as per Item No 33 above, but MCCB TP/TPN /FP 160 amps rupturing capacity 25 KA at 415 volt complete all as specified and as directed.

All as per Item No 33 above, but MCCB TP/TPN /FP 100 amps of rupturing capacity 25 KA complete all as specified and as directed.

All as per Item No 33 above, but MCCB TP/TPN /FP 63 amps of rupturing capacity 25 KA complete all as specified and as directed by Engineer -in-Charge

M&L in repairs to street light timers by replacing unserviceable parts and testing complete after repairing all as specified and directed. Note :- Replacement of small pieces of wires and lugs/thimbles etc shall deemed to be included in the rate and other spares as required will be measured and paid separately.

Supply only Digital type timer switch, programmable every 1 min, with backup of weekly with 1 CO 6 years, 28 memory locations, current capacity 16A, weekly program, with 1 changeover (1 CO), Total 28 programs.

Supply only for Power contractor , 4 pole, 40 amps, 4NO power contact and of coil voltage 24V/48V, VDC/VAC any type and suitable for street light timer panel as per site requirement and as direced.

Supply only Power contractor 4 pole 60 amps, 4NO power contact and of coil voltage 24V/48V, VDC/VAC any type and suitable for street light timer panel as per site requirement and as direced. Make:- Indoasian Cat No. 850332/ 850333 or equivalent L&T/Havells/Siemens as approved by GE.

Supply, install, testing and commissioning in renewal of outdoor type cubical panel board suitable for 3 phase 4 wire 415 Volt, 50 Hz and type tested at CPRI at 415 Volt factory fabricated in an approved factory having modern fabrication process powder coated in approved shard having thickness not less than 100 mircrons provided with suitable gasket to make it dust /vermin proof and general construction confirming to IS 8623793 comprising of the following :- (a) OUTER SHELL : The outer shell shall be made out of 3.15mm thick CRCA Sheet and MS angle section 50x50x6mm frame, factory fabricated with front and back openable double door system locable / openable by keys from both side having chromium plated 19 mm dia fancy lock, louvers and air vent gasket for natural flow of air. The bottom of the outer shell contains a ditachable plate having provn for entry of armoured cable of adequate size with glands. The dimension of the shell should be adequate to accomodate inner shell described below giving minimum 75 mm space all round. Provision o threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP-54. (b) INNER SHELL : Inner shell shall be made out of 2 mm thick CRCA sheet duly compartmentalized for each control gears, front & back openable single door system by keys. To accomodate TPN Aluminium busbar of rating not less than 200 Amps . The TPN busbar shall be insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size 'F' class insulators. The degree of protection for inner shell shall be IP-42 & carry the following items :- (ba) Incoming/ Out going :- TPN Bus bar of capacity no less then 200 Amps complete. (bb) Indication lamp 22.5 mm dia LED type, 240 Volts AC at the incommer of the unit to show 3 phase availability. (MAKE : ABB/BCH/L&T/SIEMENS/GE/HAVELLS/C&S/MINILEC or CPRI approved) Note :- Drawing for the panels to be approved by GE/Engr-in-Charge before ordering to manufacturer. Removal of existing cable, connections safely before removing u/s panel & reconnectiion all at site as directed to be done by the contractor within the quoted rate.

Cutting end and reconnecting of LT cable 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.

All as per item No. 44 above but for cable size 70 sqmm 3.5 core to 95 sqmm 3.5 core complete.

All as per item No. 44 above but for cable size 120 sqmm 3.5 core to 300 sqmm 3.5 core complete.

S&F in repairs Automatic/manual with inbuilt time delay open execution type, 100 Amps Automatic Transfer switch (ATS) four pole, without Controller, AC-31A, 50 Hz, 415 volt conforms to IEC:60947-6-1 all as specified and directed.

S&F in repairs Automatic/manual with inbuilt time delay open execution type 200 Amps Automatic Transfer switch (ATS) four pole, without Controller, AC-31A, 50 Hz, 415 volt conforms to IEC:60947-6-1 all as specified and directed.

M&Lfor LT straight through, heat shrink type Cable jointing kit suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 10 to 16 sqmm complete all as specified and directed.

All as per item No. 49.00 above but for cable size 25 to 50 sqmm complete .

All as per item No. 49.00 above but for cable size 70 to 120 sqmm complete .

S&F in repairs for distribution board/Panel, 40A, 3 /4 Pole/230V-Digital Time Switch type and including digital timer switch (DIN Type Daily / Programmable every 1 min., with backup of W eekly with 1 CO , current capacity 16A, weekly program,with (1 CO), for street light control panel by replacing old unserviceable street panel and testing complete all as specified and directed. . Note :- Removal of existing cable, connections safely before removing u/s panel & reconnectiion all at site as directed to be done by the contractor within the quoted rate.

M&L for repair to Automatic Power Factor Correction (APFC) Panel of capacity from 35KVAr to 200KVAr by replacing unserviceable parts and testing complete after repairing all as specified and directed. Note :- Replacement of small pieces of wires and lugs/thimbles to done by the contractor under quoted rate and other spares as required will be measured and paid separately.

Supply only Standard Duty Capacitors Cylindrical 1 to 25 KVAr rating, 440V for AFPC Panel as per site requirement and as directed.

Supply only APFC Controller - 1 CT input, upto 6 steps, of size 96 x 96mm, Single CT input 1/5 Amps, and Voltage Input 415V for for AFPC Panel as per site requirement and as directed.

Supply only 3 Pole Power Contactors, MNX type, Aux. Contacts 1 NO and 1 NC of rating 22/32 Amps, for AFPC Panel as per site requirement and as directed.

Supply only MCB TPN 'C' Series upto capacity of 32 Amps as per site requirement and as directed.

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.

M&L for clean dry river sand in trenches/ducts for cushoning to cable complete all as specified.(Punned thickness shall be measured)

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

Supply, fixing and laying in trenches after removing old cable and fixing or passing through pipe, 1100 Volts grade heavy duty LT UG cable, 16 Sqmm, 4 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 64 above but 35 Sqmm, 3.5 Core

All as per Ser item No 64 above but 70 Sqmm, 3.5 Core

All as per Ser item No 64 above but 95 Sqmm, 3.5 Core

All as per Ser item No 64 above but 120 Sqmm, 3.5 Core

M&L for taking out old unserviceable ACB (Air Circuit Breaker) 4 Pole, 415 V, with Thermal Magnetic Release (Manual Drawout type) of capacity 630Amps AC supply including necessary modification in panel board if required to fix the ACB complete with replacement of incoming and out going cable connection with lugs, aluminium conductor cable of proper size, nuts bolts all as directed. replacement of brunt lugs and wire/cable pieces etc as required at site.

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.

M & L in replacement 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 GI strip 25 x 4mm, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 40 mm incl provision of concrete pit in PCC (1:2:4) type B-1 using 20 mm graded stone aggregated with 40 mm thick cover with RCC (1:2:4) reinforced with XPM (weight not less than 4 Kg / Sqm) and frame of angle iron 25mm X 25 mm X 3mm with lugs 2 Nos and with 6 mm dia MS bar handle made to shape, 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, taste 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”.

S&F in replacement of Earth continuity conductor with adequate size saddles fixed to wall on batten or recess or any other indicated situation for loop earthing etc. as required of size 32mm x 6mm GI strip complete all as specified and directed.

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.

M/S SUNNY ENTERPRISE

M/S MANAS MITRA

HALDER ENTERPRISERS

M/S Banerjee construction co

M/S P K ROY AND CO

SHRI P P SHARMA

SREE SWAPAN KUMAR GHOSH