REPAIR/ MAINTENANCE OF DG SET AND REPLACEMENT OF LT U/G CABLES, OVERHEAD LINES, POLES, JOINTS AND CONNECTED ITEMS AND E/M WORK IN INSTALLATIONS AT D-IB ZONE AREA UNDER AGE E/M -I OF GE (N) MAMUN

Amount

Dismantling old unserviceable steel poles/Strut any size and shifting n.exceeding 50 meters for setting aside for disposal action all as specified and directed .

Dismantling old unserviceable concrete pole/Strut any size and shifting n.exceeding 50 meters for setting aside for disposal action all as specified and directed .

Material and labour for erection of steel tubular swaged pole 9 mtr long with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP 31, 02 coats of aluminium paint followed by a primer coat, 30 cm thick strips in alternate colour with (02 coats) synthetic enamel paint upto 1.5 mtr height from the coping complete all as specified and directed .

Material and labour for prestressed cement concrete pole 9 mtr long, 102 mm x 172 mm at top and 102 mm x 289 mm at bottom class-10 complete, erected truly in vertical position and painting the poles with alternate layer of 30 cm thick strips in alternate colour with (02 coats) synthetic enamel paint upto 1.5 mtr height from the coping complete all as specified and directed.

Dismantling aluminium conductor from LT OH line after disconnecting cables, jumpers etc, unbinding from insulators for replacement/re-stringing including seggregating serviceable/unserviceable conductors for re-use or for shifting to MES store for taking credit to contractor all as specified and as directed .

Restringing of dismantled aluminium conductor on LT OH line by using new aluminium binding wire with 3% sag, re-connecting of all cables, jumpers with new binding wires complete all as specified and as directed .

M&L in replacement ACSR of LT OH line including securing with insulators using aluminium binding wire, jointing jumpers etc including connecting all disconnected cables, jumpers with proper binding complete all as specified and as directed .

Dismantling earth wire from LT OH line after unbinding from pole for re-use or for shifting to MES store for taking credit to contractor all as specified and as directed .

Restringing and restretching dismantled earth wire on LT OH line including securing with cross arms using new GI binding wire complete all as specified and as directed .

M&L in replacement for Galvanised steel earth wire of service feeder or distributor span of street light polesincluding binding with cross arm channel using GI binding wire complete all as specified and as directed .

Dismantling cross-arms of M.S. channel or angle sections etc from LT poles complete and setting aside for re-use or shifting to MES store for taking credit to contractor all as specified and as directed .

Fixing only cross arms, bracings, supports, clamps and back plates 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 ,welding and inclusive of one primer coat, one under coat and one finishing coat of synthetic paint complete all as specified and as directed .

Material and labour for replacement Cross arms, bracings, supports, clamps and back plates 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 ,welding and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and as directed

Dismantling and taking old/UNSV stay assembly including Stay wire and insulator complete all as specified and directed .

M&L for replacement stay assembly complete with MS stay plate of size 300x300x6mm thick, stay rod 20 mm dia, stay bow, nuts, bolts and check nuts of GI all as shown in EP No 01 of SSR Part-I, 2009 ( Excavation, PCC, stay wire and loop type insulators will be measured separately) complete all as specified and as directed .

M&L in replacmement galvanized stay strand of 7/4mm size complete all as specified and directed .

M&L in replacmement loop type insulator large size with overall dimensions (90 x140) mm with clearance of hole 25.5 mm vitreous white brown or green complete all as specified and as directed .

Dismantling insulators of any type, any size complete all as specified and as directed.

Fixing only shackle type insulators retrieved from item No 18 all as specified and as directed .

Fixing only pin type insulators retrieved from item No 18 all as specified and as directed .

M&L in replacmement shackle type insulator,100 mm height,115 mm dia, 31x5 mm strap,14 mm dia bolts Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts, as under: complete all as specified and as directed.

M&L in replacmement Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100 mm height, 65 mm dia for 1100 volts grade complete all as specified and as directed .

Taking out LT cable,1100 volts grade heavy duty,aluminium conductor of sizes upto 35 Sqmm any core from trench/cable duct/through wall/pole carefully, seperating defective length and stacking aside for re use or for taking credit to contractor all as specified and directed . Note: Excavation and other earth work shall be measured and paid seperately under relevant item.

All as per Srl Item 23 but of size 50 Sqmm to 95 Sqmm

All as per Srl Item 23 but of size 120 Sqmm to 185 Sqmm

All as per Srl Item 23 but of size 240 Sqmm to 300 Sqmm

Laying only cable of size upto 35 sqmm all as specified and directed.

Laying only cable of size of size 50 Sqmm to 95 Sqmm all as specified and directed.

Laying only cable of size 120 Sqmm to 185 Sqmm all as specified and directed.

Laying only cable of size 240 Sqmm to 300 Sqmm all as specified and directed.

Supply,laying,connecting and testing in replacement XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 Volt grade cross sectional area 300 Sqmm 3.5 core with aluminium termination lugs, laid in trench/cable duct/through wall/pole and making good disturbed surface complete all as specified and directed .

All as per Srl item No 31 here in above but Size 240 sqmm 3.5 core

All as per Srl item No 31 but Size 185 sqmm 3.5 core

All as per Srl item No 31 but Size 150 sqmm 3.5 core

All as per Srl item No 31 but Size 120 sqmm 3.5 core

All as per Srl item No 31 but Size 95 sqmm 3.5 core

All as per Srl item No 31 but Size 70 sqmm 3.5 core

All as per Srl item No 31 but Size 50 sqmm 3.5 core

All as per Srl item No 31 but Size 35 sqmm 3.5 core

All as per Srl item No 31 but Size 25 sqmm 4.0 core

All as per Srl item No 31 but Size 16 sqmm 4.0 core

All as per Srl item No 31 but Size 16 sqmm 2.0 core

All as per Srl item No 31 but Size 10 sqmm 2.0 core

M&L for Cable straight through jointing / end termination kit, heat shrinkable with all jointing material and accessories, 2/3.5/4 core, suitable for 1100 volts grade XLPE armioured aluminium conductor cable of size upto 16 sqmm size all as specified and directed .

All as per Srl item No 44 but Size 25 to 50 sqmm 3.5/.4 core

All as per Srl item No 44 but Size 70 to 150 sqmm 3.5 core

All as per Srl item No 44 but Size 185 to 240 sqmm 3.5 core

Supplying and fixing in replacement 1100 volts grade heavy duty cable ,10 sq mm, 2 core, flat, PVC insulated aluminium stranded conductor, served with inner sheathing of PVC tape and overall PVC sheathed for service connections suspended by insulating hangers not more than 1 metre apart including 4mm suspension wire, all as specified and directed .

Supply and fixing in replacement of GI tubing, light grade 25 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and directed . Note: Cost of clamps, nuts, bolts and washers etc for fixing pipe shall be measured separately.

All as per item No 49 but 40 mm bore

All as per item No 49 but 50 mm bore

All as per item No 49 but 80 mm bore

All as per item No 49 but 100 mm bore

S&F in replacement MCCB, 3 pole, 415 volts, fixed type, 25 Amps to 100 Amps capacity with 16 KA breaking capacity, thermal release adjustable from 80 to 100% & fixed magnetic release with Ics = 100% Icu, have reverse load and line termination, rotary handles, direct and variable depth and common auxiliaries for entire range. CE marked, conforming to IS IEC-60947-2, Maximum operational voltage 550 Volts ( Ue)(AC 50/60 Hz), Insulation voltage (Ui) of 800 Volts and rated Impulse withstand voltage (Uimp) not less than 8000 volts. Ambient temperarture of 50 degree centigrade. MCCB operated by a rotary handle with indicating three distinctive position (ON/OFF/TRIPPED) including spreadres for connecting cable after taking out old U/S one all as specified and directed .

All as per item No 54 but 125 Amps capacity

All as per item No 54 but capacity 160 Amps, breaking capacity 25 KA, thermal release adjustable from 80 to 100% & magnetic release adjustable from 5 to 10 In with Ics = 100% Icu

S&F in replacement MCCB, 4 pole 415 volts,160 Amps with breaking capacity 25 KA, thermal release adjustable from 80 to 100% & fixed magnetic release with Ics = 100% Icu, have reverse load and line termination,rotary handles, direct and variable depth and common auxiliaries for entire range. CE marked,conforming to IS IEC-60947-2, Maximum operational voltage 550 Volts ( Ue)(AC 50/60 Hz), Insulation voltage (Ui) of 800 Volts and rated Impulse withstand voltage (Uimp) not less than 8000 volts. Ambient temperarture of 50 degree centigrade. MCCB operated by a rotary handle with indicating three distinctive position (ON/OFF/TRIPPED) including spreadres for connecting cable after taking out old U/S one all as specified and directed .

All as per item No 57 but 200 amps

All as per item No 57 but 250 amps

All as per item No 57 but 315 amps

All as per item No 57 but 400 amps

S&F in replacement MCB SP 6-32 Amps, "C" grade, 10 KA breaking capacity, 240 volts AC, ISI marked as per IS/IEC 60898-1 2002 , bi-connect terminals on the bottom terminals for looping and should have 35 sq mm termination capacity on both terminals with insulated sliding shutters for making it IP-20 protected & with two position DIN Rail clamp for easy mounting all as specified and directed .

All as per Srl item No 62 but 40-63 Amps

S&F in replacement MCB SPN 6-32 Amps, "C" grade, 10 KA breaking capacity, 240 volts AC, ISI marked as per IS/IEC 60898-1 2002 , bi-connect terminals on the bottom terminals for looping and should have 35 sq mm termination capacity on both terminals with insulated sliding shutters for making it IP-20 protected & with two position DIN Rail clamp for easy mounting all as specified and directed .

All as per item No 64 but 40-63 Amps

S&F in replacement MCB TP 6-32 Amps, "C" grade, 10 KA breaking capacity, 240 volts AC, ISI marked as per IS/IEC 60898-1 2002 , bi-connect terminals on the bottom terminals for looping and should have 35 sq mm termination capacity on both terminals with insulated sliding shutters for making it IP-20 protected & with two position DIN Rail clamp for easy mounting all as specified and directed .

All as per Srl in item No 66 but 40-63 Amps

Excavating in trenches in soft / loose soil, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation of poles, trenches for laying of cable, or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out complete all as specified and directed .

All as per item No 68 but n exc 1.5 m wide and exc 1.5 m and n exceeding 3.0 m in depth

Removing excavated material to a distance not exceeding 50 Mtr and deposting where directed at a level not exc.1.5 mtr above the starting point all as specified and directed .

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

Supply and laying in replacement bricks, sub class 'B', laid dry in trenches over the cable adjoining each other widthwise for cable protection complete all as specified and directed .

M&L for sand cushioning with a layer of sand 80mm thick before laying of cable and 150mm thick after laying of cable to trenches complete all as specified and directed .

Material and Labour for PCC 1:4:8 type D-2 using 40 mm graded stone aggregrate for foundation filling as mass concrete including necessary form work complete all as specified and directed .

Material and Labour for PCC 1:3:6 type C-1 using 20 mm graded stone aggregrate for coping of poles and foundation of stay complete all as specified and directed .

M&L in replacement PVC insulated, FR PVC round sheathed, stranded Copper flexible conductor industrial cable,1100 volts grade, confirming to IS 694, 3 core, 1.5 sqmm for connecting light fitting with junction box or OH conductor drawn through and including provision of rigid PVC conduit of 20 mm duly secured with pole by means of MS clamps at 1 meter distance all as specified complete all as specified and directed .

Pruning up off tree branches 3 mtr all around LT overhead lines including provision of cutting tools, supports and safety equipments, removing cut branches from site all as specified and directed . Note :- (i) The overhead lines shall be kept 3 meter clearance from the tree branches. (ii) Permission for shut down shall be informed to the concerned section of Deptt in prior to the trimming and written permit shall be obtained by the contractor. (iii) Pruning of tree branches in between two poles will be measured as one span

Restretching ACSR, GI wire of LT OH line running on poles by means of pulling jack maintaining 3% sag in each span including replacment all binding wires including connecting all cables, jumper connection etc provided with new binding wires complete all as specified and directed . Note: Re-stretching of all conductors, GI wires in between 2 poles will be measured as one span

M & L for Earthing complete with galvanised steel earth plate electrode 600 x 600 x 6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level)with top edge of earth plate not less than 1.5 meters below ground level connected by 25X4 mm GI strip as earth lead by means of nuts and bolt,thimbles, check nuts, washers of GI or steel including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20 mm graded stone aggregate,with fair finish,internal surface of concrete chamber shall be given internal dia 300mm x 300 mm dia,15 mm thick plaster in CM 1:4 funnel with wire guage mesh ,80 mm thick RCC pit cover 320mm x 320 mm of RCC 1:2:4 Type B1 using 20 mm graded stone aggregate reinforced with XPM jelly and charcoal ,dust and common salt all as shown in electrical plate No 5 of MES SSR Part -1 (1991) and specified including provision of GI strip upto 7.5 metre long protected by 40 mm dia medium grade pipe and watering pipe shall be 20 mm bore medium grade ,including all excavation and earth work and connecting the earthing to an earthing test point and to main switch board as specified and testing on completion complete all as specified and directed. Note: RCC pit cover shall be precast of RCC (1:2:4) type B1, 80 mm thick reinforced with XPM weighting not less than 4 kg/Sqm in lieu of CI cover.

M & L for Earthing complete with galvanised steel earth plate electrode 600 x 600 x 6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level)with top edge of earth plate not less than 1.5 meters below ground level connected by 32 X6 mm GI strip as earth lead by means of nuts and bolt,thimbles, check nuts, washers of GI or steel including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20 mm graded stone aggregate,with fair finish,internal surface of concrete chamber shall be given internal dia 300mm x 300 mm dia,15 mm thick plaster in CM 1:4 funnel with wire guage mesh ,80 mm thick RCC pit cover 320mm x 320 mm of RCC 1:2:4 Type B1 using 20 mm graded stone aggregate reinforced with XPM jelly and charcoal ,dust and common salt all as shown in electrical plate No 5 of MES SSR Part -1 (1991) and specified including provision of GI strip upto 7.5 metre long protected by 40 mm dia medium grade pipe and watering pipe shall be 20 mm bore medium grade ,including all excavation and earth work and connecting the earthing to an earthing test point and to main switch board as specified and testing on completion complete all as specified and directed. by Engr-In-Charge. Note: RCC pit cover shall be precast of RCC (1:2:4) type B1, 80 mm thick reinforced with XPM weighting not less than 4 kg/Sqm in lieu of CI cover all as specified and directed .

Supply & fix in replacement GI strip 32x6 mm complete with saddles/ insulators made out of porcelain or fiber and buried in ground or fixed to wall etc for loop earthing including and after taking out old strip all as specified and directed .

Repair/maint of Diesel engine sets of capacity 15KVA to 50 KVA ,Checking and servicing of engine for smooth running, its unusual sound and color of smoke from exhaust and set it right in case of deviations, Checking and repairing the leakage of fuel, lubricating oil and coolant,Setting of Valves tappets whenever required.Checking and repairing of Accessories drive, Turbo Charger and crankshaft endplay,Checking alignment of Engine and Alternator,Checking of throttle control & its setting,Checking of instrument on instrument panel,Checking of rotating diodes assembly in brushless lternator,Checking of wiring system and repairing if required,Repair and Maintenance of Relays including contactors in control panel. Checking and cleaning of battery terminal and de-sulphation. Diagnosis of faults in engine and Alternator and its rectification. Checking Self Starter and accessories all as specified and as directed. Note: Cost of unserviceable items will be measured and paid seperately under relevant items

All as per item No 82 but capacity from 63 KVA to 200KVA

Supply & replacement of following parts of Diesel engine generator Service suitable for Generator set mentioned in above all as specified and directed .

Fuel Filter

Lubricating Oil Filter

By pass filter

Coolant

Air Filters

Lubricating Oil

S&F in repairs Onload change over switch with SS enclosure, 400 Amps ,4 pole Conforms to IEC 60947-3 , IS/IEC 60947-3, Terminal Shrouds, Source Separator and Phase barriers all as specified and directed .

All as Sr item No 85 but 200 Amps capacity.

S&F in repairs Onload change over switch with open execution, 63 Amps ,4 pole Conforms to IEC 60947-3 , IS/IEC 60947-3, Terminal Shrouds, Source Separator and Phase barriers all as specified and directed .

S&F in repairs Onload change over switch with open execution, 160 Amps ,4 pole Conforms to IEC 60947-3 , IS/IEC 60947-3, Terminal Shrouds, Source Separator and Phase barriers all as specified and directed .

All as Sr item No 88 but 200 Amps capacity.

All as Sr item No 88 but 250 Amps capacity.

S&F in repairs Contactor, 4 pole, 415 volts, 50 Hz, 63 Amps with Auxilary contacts 2 NO + 2 NC Conforms to IS / IEC 60947-4-1 & IEC 60947-4-1 all as specified and directed .

All as Sr item No 91 but 125 Amps capacity.

All as Sr item No 91 but 200 Amps capacity.

S&F in repairs Fuel level indicator set complete suitable for 63 KVA DG Set diesel tank as per sample all as specified and directed.

S&F in repairs Solenoid switch for DG set 30-63 KVA DG set as per sample all as specified and directed .

S&F in repairs power engine controller, 24V DC, Genset controller for 30/63 KVA DG set with 5 digital inputs, 3 analog inputs (can also be used as digital inputs, if configured) and 6 digital outputs.Incremental counters for engine start, engine trips and engine run hours Supports the battery charging alternator I/O interface RPM sensing through frequency Preheat output for assisting engine start Monitors and controls genset performance effectively for 1-ph/3-ph Monitors 1-ph/3-ph voltage, frequency and power factor for genset Monitors engine safety parameters like voltage, speed, frequency, battery and charging alternator Auto mode through Remote start / stop feature Immediate phase reversal detection with configurable action Backlit and full graphics LCD with power saving feature (Deep Sleep mode) provides prolonged battery life Versatile software capable of saving "events" during operation (event log for 30 events with engine run hour information) PC connectivity via USB port Communicates with PC via configuration utility (Smart Config) through a USB port Access to each parameter through configuration utility (Smart Config) or control keys including checking all wiring and accessories to ensure proper functioning, testing and commissioning complete all as specified and directed .

Supply, install, testing and commissioning in replacement feeder pillar panel, outdoor type, floor mounted, made out of CRCA sheet 3.15 mm thick, CPRI approved,weather proof,dust and vermin proof, IP -65, powder coated with 8 tank process, with common elecrolytic, sleeve insulated Aluminium bus-bar, 400 Amps for 3 phase ,4 wire system,415 volts AC, both sides openable,double door and locking arrangements for each compartment, prewired with Copper cable not less thatn 1.5 sq mm, provided with danger notice plate, panel mounted on angle iron frame fabricated out of 50x50x6mm size with leg 90 cm long, 30 cm embedded and secured in PCC foundation all as specified and directed . Size of panel shall suitable to accommodate and comprising the following components :- (i) MCCB 200 Amps, 415 volts, 4 pole, 25 KA - 01 No (ii) MCCB 250 Amps, 415 volts, 4 pole, 25 KA - 01 No (iii) Onload changeover switch 200 Amps- 02 Nos (iv) Onload changeover switch 250 Amps- 02 Nos (v) Phase indicators (RYB) - 04 sets for source indication (vi) MCB SPN 32 Amps "C" grade, 240 volts AC - 03 Nos (vii) MCB TPN 32 Amps "C" grade, 240 volts AC - 02 Nos

M&L for painting of DG set 62 KVA whole structure including accoustic enclosure is duly powder coated with existing specification and colour after cleaning the surface thoroughly by removing old paint and foreign objects like dust, oli, grease etc as per the norms of manufacturer all as specified and directed .

S&F in replacement generator battery,12 volts, 90 Ah, maintenance free through advanced Ca-Ca technology, lid design makes the battery spill resistant, vent caps with advanced ame arrestors and micro porous lter disc to arrest acid fume all as specified and directed.

Deduct Total amount of SCHEDUL 'A' SECTION-II (SCH OF CREDIT) Rs 1,98,769.40.00 ( to be deducted from Schedule ‘A’ (BOQ) to arrive at the Contract Sum.

KULBHUSHAN AGGARWAL