REPAIR MAINTENANCE TO LT OVERHEAD NETWORK AND UG CABLE CRANES AND CONNECTED EM WORKS AT DOMESTIC AND TECHNICAL AREA AT AF STN SURATGARH

Amount

BOQ ( REPAIR/MAINTENANCE TO LT OVERHEAD NETWORK AND LT UG CABLE ,CONNECTED E/M WORKS AND EOT CRANES AT DOMESTIC AND TECHNICAL AREA AT AF STATION SURATGARH)

Locating the fault in LT cable of any size for any type of fault like open cable, short between phases/ neutral, grounded cable with help of cable fault locator and pin pointing location with the help of audio signal, exacavation at the fault and opening cable to suitable distance and depth for making a cable joint ,complete all as speified and directed by Engineer-in-Charge. Note: 1. The joint kit and necessay earth work will be measured and paid separately. 2. Contractor will have to arrange the cable fault locator or other testing equipments/tools as required and same shall be deemed to be included in the item rate quoted.)

Taking down existing old unserviceable underground LT cable upto size 50 Sqmm, 4/3.5 /2 core keeping aside for reuse/removal from trenches/ wall/pole , complete all as specified and directed by Engineer-in-Charge.

Taking down existing old unserviceable underground LT cable upto size 70 to 150 Sqmm x 3.5 Core keeping aside for reuse/removal from trenches/ wall/pole , complete all as specified and directed by Engineer-in-Charge.

Taking down existing old unserviceable underground LT cable upto size 185 to 300 Sqmm x 3.5 Core of keeping aside for reuse/removal from trenches/ wall/pole , complete all as specified and directed by Engineer-in-Charge.

LT end termination kit, heat shrinkable outdoor type suitable for XLPE, armoured cables taking down the cable form over head line for making joint and reconnecting to overhead lines for cable of size 3.5 Core 25 Sqmm to 50 Sqmm fixed as in repair, complete all as specified and directed by Engineer-in-Charge. Make: Raychem/ Denson/ M-Seal

LT end termination kit, heat shrinkable outdoor type suitable for XLPE, armoured cables taking down the cable form over head line for making joint and reconnecting to overhead lines for cable of size of 70 Sqmm to 150 Sqmm x 3.5 Core fixed as in repair , complete all as specified and directed by Engineer-in-Charge. Make: Raychem/ Denson/ M-Seal

LT heat shrinkable straight through joint for PVC/XLPE insulated armoured cable of size upto 50 Sqmm fixed as in repair , complete all as specified and directed by Engineer-in-Charge. . Make: Raychem/Denson/M-Seal

LT heat shrinkable straight through joint for PVC/XLPE insulated armoured cable of size of 70 Sqmm to 150 Sqmm x 3.5 Core fixed as in repair , complete all as specified and directed by the Engineer-in-Charge. Make: Raychem/Denson/M-Seal

LT heat shrinkable straight through joint for PVC/XLPE insulated armoured cable of size of 185 Sqmm to 240 Sqmm x 3.5 Core fixed as in repair , complete all as specified and directed by the Engineer-in-Charge Make: Raychem/Denson/M-Seal

Relaying of cable upto 50 Sqmm 4/3.5/2 Core after rectification of defects in the same in trench/wall/pole or at any other location, , complete all as specified and directed by Engineer-in-Charge.

Relaying of LT cable size of 70 Sqmm to 150 Sqmm x 3.5 Core after rectification of defects in the same in trench/wall/pole or at any other location , complete all as specified and directed by Engineer-in-Charge.

Relaying of LT cable size of 185 Sqmm to 240 Sqmm x 3.5 Core after rectification of defects in the same in trench/wall/pole or at any other location , complete all as specified and directed by Engineer-in-Charge.

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size 16 Sqmm 2 core laid in trenches or under road , complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately.

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size of 16 Sqmm 4 core. laid in trenches or under road , complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately.

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size of 25 Sqmm 3.5 core .laid in trenches or under road, complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately. .

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size of 35 Sqmm 3.5 core. laid in trenches or under road, complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately .

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size of 50 Sqmm 3.5 core.laid in trenches or under road, complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately .

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size of 70 Sqmm 3.5 core.laid in trenches or under road, complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately .

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size of 95 Sqmm 3.5 core. laid in trenches or under road, complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately.

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size of 120 Sqmm 3.5 core. laid in trenches or under road, complete all as specified and directed by Engineer-in-Charge. Note: Excavation, sand and brick work will be measure & paid separately.

XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable 1100 volts with stranded aluminium conductor of size 150 Sqmm 3.5 core laid in trenches or under road, complete all as specified and directed by Engineer-in-Charge. . Note: Excavation, sand and brick work will be measure & paid separately.

Thermoplastic circuit breaker box IP 65 protection with metric knockouts for cable entry provision from top & bottom suitable for fixing MCBs (1 row 4 modules) with sealable transparent lid fixed as in repair, complete all as specified and directed by Engineer-in-Charge. Make: Sintax Cat No: GSJB 2520 / Clipsal / Hansal

Cutting of existing bitumen road/ hard standing / PCC for laying of cable/protection pipe, complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches not exc 1.5m wide and and not exc. 1.5m depth wide in hard/dense soil for laying electric cables/pipes etc including getting out excavated earth and trimming the sides and bottoms of trenches , complete all as specificed and directed by Engineer-in-Charge.

Returning , filling in including spreading, leveling, watering and well ramming in layers not exc. 25cm in hard and dence soil, complete all as specificed and directed by Engineer-in-Charge.

Removal of surplus soil to a distance not exc. 50m and depositing where directed at a level not ex. 1.5m above the starting point , complete all as specificed and directed by Engineer-in-Charge.

Sand cushioning to cables with a layer of sand 8 cm deep before laying the cable and 15 cm depth (punned down to 10 cm depth after laying and stretching of cable), complete all as specificed and directed by Engineer-in-Charge. Note: Punned thickness (over all 18 cm) shall be measured & paid.

Brick of common burnt clay, sub class 'B' old size laid flat and dry on cables as in cable protection in trenches over cables perpendicular to direction of cables abutting each other , complete all as specified and directed by Engineer-in-Charge.

Galvanised iron steel tubes, ISI marked light grade of size 50mm bore for cable protection along the poles under road under drains including taking down of old unserviceble pipe, complete all as specified and directed by Engineer-in-Charge. Make: Jindal / TATA / Surya

Galvanised iron steel tubes, ISI marked light grade of size 80 mm bore for cable protection along the poles under road under drains including taking down of old unserviceble pipe , complete all as specified and directed by Engineer-in-Charge. Make: Jindal / TATA / Surya

Taking down existing old ACSR from PCC/Steel poles , complete all as specified and directed by Engineer-in-Charge.

Taking down existing old cross arms of MS channel or angle sections etc , complete all as specified and directed by Engineer-in-Charge.

Dismantling of old insulators pin/shakle complete and keeping aside for removal , complete all as specified and directed by Engineer-in-Charge.

Labour only for re-stretching of sagged/loose ACSR conductor properly of any size fixed on LT poles by means of machine method to the permissible limit at different location including tightening of cross arms or D clamps and binding with new binding wire, tightening of jumpers, complete all as specified and directed by Engineer-in-Charge. Note: 1. Each line of conductor shall be measured. 2. Rate including unwinding of old winding wire and rewind with new binding wire after restretching.

Insulator, shackle type, porcelain, white, brown or green insulator for working pressure 1100 volts grade of 115 mm dia and 100 mm height including galvanised mild steel section of straps 31x5 mm and 14 mm dia insulator bolt, washers and nuts etc , complete all as specified and directed by Engineer-in-Charge.

Pin type, porcelain, vitreous, white, brown or green insulator 1100 V grade including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100mm height, 65mm dia , complete all as specified and directed by Engineer-in-Charge.

Stay assembly complete with accessories as shown in electrical plate No: 1 using stay rod 20mm dia and 30x30x6mm stay plate, including painting to exposed surfaces of MS work with two coat of aluminium paint over a coat of red oxide primer in replacement of unservicebale stay assembly , complete all as specified and directed by Engineer-in-Charge. Note : Stay clamps, PCC 1:3:6 and earth work shall be measured and paid separately.

Cross arms, bracings, supports, clamps and back plates fabricated from 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 and inclusive of one primer coat, one under coat and one finishing coat of silver / aluminium paint, complete all as specified and directed by Engineer-in-Charge.

Aluminium Conductor Steel Re-inforced of any sizes & shapes, complete all as specified and directed by Engineer-in-Charge.

Galvanised steel earth wire of size 4mm for continuous GI earth wire in replacement of existing unserviceable wire, complete all as specified and directed by Engineer-in-Charge.

LT overhead line separator 3 way fixed in replacement of existing unserviceable seperator, complete all as specified and directed by Engineer-in-Charge.

LT overhead line separator 4 way in replacement of existing unserviceable seperator, complete all as specified and directed by Engineer-in-Charge.

Earthing complete with galvanised steel plate earth electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25 meter below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to GI strip 25X4mm at two points by means of bolts and nut, check nut and washers including charcoal dust, common salt, necessary excavation in hard/dense soil, returning filling in and removal of surplus soil to a distance up to 50metres, PCC pit in 1:3:6 type CI (using 20mm grade stone aggregate) RCC 1:2:4 type B-1 (using 20mm grade stone aggregate ) 50mm thick pit cover, reinforced with 8mm dia TMT bars 75mm c/c, both ways MS handle 12mm dia, GI funnel, wire mesh and GI watering pipe of 20mm bore GI (light grade) and earth lead protection pipe 40mm bore (light grade) all as specified, directed and shown in electrical plate No 3 of SSR Part-I including testing , complete all as specified and directed by Engineer-in-Charge. Note : GI strip and protection pipes 40 mm GI light grade up to 7.5 metre is included in unit rate and beyond that the same will be measured separately.

Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size for LT 20x15cm size in replacement of existing unserviceable Danger notice plate, complete all as specified and directed by Engineer-in-Charge.

Supply, Installation and Commissioning LT Feeder Pillar Box of Size 75x75x45cm Outdoor Type Factory made manufactured by a CPRI approved Manufacturer, made out of 3 mm thick CRCA Sheet and Self Supporting, built upon Rigid Frame Work suitable for 440 Volt 3 Phase 4 Wire System having Front and Rear Hinged Doors with Neoprene Rubber Gasket, Epoxy Powder Coated with Danger Plate, Earthing Strip Point and Bottom Detachable Gland Plate complete with suitable Size Zinc Chromium Plated Nuts, Bolts and Washers, etc. having Colour Code aluminum bus bar inter connections for easy Identification including Incoming/Outgoing Cable Holes at Bottom, provision of six nos connectors and embedded with Mild Steel Angle Iron Frame of Size 50X50X6mm and 450mm above Normal Ground Level complete with PCC Foundation in Cement Concrete (1:2:4) type B1 (20mm Graded Stone Aggregate) and Testing after Instalation including taking down Unserviceable Feeder Pillar Box with Connected Accessories after disconnecting all Incoming and Outgoing Cables, etc., complete all as specified and directed by Engineer-in-Charge. and comprising with the following :– (a) Aluminium Bus-bar 400 Amp, supported with suitable size of Heavy Duty Porcelain Stand Lock with suitable size of Brass Nut, Bolts and Washer with Heat Shrinkable PVC Sleeving. The Bar shall be Colour Coded (Red, Yellow & Blue) for Three Phases and Black for Neutral. – 04 Nos (b) MCCB, 4 pole, 160 Amps , rupturing capacity 16 KA magnetic thermal release - 01 Nos. (AS INCOMING)(Legrand Cat No 420015 or equivalent in Siemens, Schneider) Note: Drawing and all materials viz MCB/MCCB/ instruments etc for LT panel shall be got approved by GE before fabrication. Rate for MCCBs, MCBs, instruments is included in unit rate of items :- Make of MCCB : Legrand or equivalant makes as specified in PS.

Material & labour for carring out comprehensive maintenanace including normal repairs and preventive maintenance for 1.5/2/3 Ton capacity Electrically operated overhead travelling (EOT) / Hand operated overhead travelling (HOT) / Monorail cranes floor operated including weekly tests, load test (vertically test and deflection test ) and maintenanace of crane panel, thrusher brakes, electric motors, steel ropes, crane cabins, limit switches, all electrical and control cables, bus bars, gear oil, pendants along with push buttons etc once in a week and carry out weekly maintenance as per Appx '1' and carry out monthly maintenabce as per Appx '2' ,complete all as specified and as directed by the Engineer -in- Charge for following cranes . (a) EOT crane 2 Ton capacity installed at New Bomb Dump - 05 Nos, 2209 Site 21- 02 Nos (b) EOT crane 1.5 Ton capacity installed at Role Equipment Bay - 02 Nos (c) EOT crane 3 Ton capacity installed at Power Plant Bay - 01 Nos, MLH Hanger- 03 Nos. (d) Mono Rail crane 2 Ton capacity installed at New Bomb Dump- 08 Nos (e) HOT crane 2 Ton capacity installed at New Bomb Dump - 03 Nos, Wing MT- 02 Nos. Note :- Item No 47 continue as item No 47.01 & 47.02.

Note to Item No 47.00 (a) Cost of bearing, fixed/ finger contacts, spares kits for starters, renwewal of unserviceable gears, greasing to wheel drum and the ropes, renewal of push buttons, limit switch, control panels fuse, thermal relay, under voltage relay, power contactors, internal wiring of LT panel board, interconnections of other miscellaneous spares not covered under the scope of work but required for the complete satisfactory comprehensive maintenance of the crane except those listed below shall be deemed to include in the unit rate quoted. (b) Cost of repair/ testing such as load test with 10% extra load, thresher brakes, rewinding of electric motors, steel ropes, control cables, gear oil will be measured and paid separately under relevent items of this BOQ. (c) Labour element of spares listed below as supply only also deemed to be included in the unit rate quoted. (d) The contractor has to employ minimum one experienced and trained electrician having full knowledge on cranes and one helper to carry out regular maintenanace for smooth and effective functiong of cranes and the cost deemed to be included in the unit rate quoted by the contractor. (e) Any complaints regarding breakdown will be attended with in 24 Hours failing which an amount of Rs.500.00 per day for electrician and 450 per day for helper as per rates circulated by the Labour Commisioner will be deducted from the RAR due to contractor.

Note to Item No 47.00 Contd..... (f) technician is responsible for cleaning and maintenance for EOT/HOT/Monorail Cranes. (g) Necessary tools & plants like ladder etc required to attend the breakdown if any shall be provided by the contractor and the cost is deemed to include in the unit rate quoted. (h) The contrctor should submit the identity proof of technicians/ Persons visiting the site and also responsible for the integrity of the personal attending the break down, weekly visit.EOT/HOT/Monorail cranes 1.5 to 3 Ton capacity including carry out vertically test and deflection test in the presence of the user complete all as specified and directed. (j) Cost of T & P required is deemed to be included in the unit rate quoted. (k) Loads required for testing shall be arranged by the contractor and cost for the same is deemed to be included in the unit rate quoted. (l) The contractor shall arrange the sealing with "O" ring and "D" shackles for connecting the loads and the cost deemed to be included in the unit rate quoted.

Carrying out full load test (with 10% extra load) of EOT/HOT/Monorail cranes 1.5 to 3 Ton capacity including carry out vertically test and deflection test in the presence of the user, complete all as specified and directed by Engineer-in-Charge. Notes: (i) Cost of T & P required is deemed to be included in the unit rate quoted. (ii) Loads required for testing shall be arranged by the contractor and cost for the same is deemed to be included in the unit rate quoted. (iii) The contractor shall arrange the sealing with "O" ring and "D" shackles for connecting the loads and the cost deemed to be included in the unit rate quoted.

Supply only new gear oil 50 grade as per IS:8406/1993 complete in the speed control/transfer gear mesh box / sumps / boxes / tanks of LT / CT / Main hoist / Auxiliary hoist of EOT / HOT / Monorail cranes , complete all as specified and directed by Engineer-in-Charge.

Supply only stabilized power supply electronic card of supply input 240/220 Volt, 50Hz and output of 24 Volts DC supply of current rating upto 6 Amps heavy duty continuous rated capacity for controlled supply to cranes , complete all as specified and directed by Engineer-in-Charge.

Supply only three pole power contactors of rating AC1/AC3 of capacity 40Amp suitable for robust and hostile application with control voltage of 110V/240V and 2 NO+2NC suitable for existing system , complete all as specified and directed by Engineer-in-Charge. Make: Siemens/Schneider/L&T/GE

Supply only push buttons including elements suitable for 1.5 to 3 Ton EOT/HOT/Monorail cranes , complete all as specified and directed by Engineer-in-Charge. Make: Siemens/Schneider/L&T/GE

Supply only limit switch (lever type, 2 way cut out) , complete all as specified and directed by Engineer-in-Charge. Make: Sterling Controls Pvt Ltd/ Siemens/EMM

Supply only carbon brushes for slip rings motors of Capacity 1 HP to 3 HP , complete all as specified and directed by Engineer-in-Charge.

Supply only bridge rectifier with protection fuse suitable for 1.5 to 3 Ton EOT/HOT/Monorail cranes , complete all as specified and directed by Engineer-in-Charge.

Supply only rotary limit switch for main switch for main hoist suitable for 1.5 to 3 Ton EOT/HOT/Monorail cranes , complete all as specified and directed by Engineer-in-Charge. Make: Sterling Controls Pvt Ltd/ Siemens / EMM

Supply only, power contractor LT 500 volt, 32 Amps, 4 pole including of contractor block, , complete all as specified and directed by Engineer-in-Charge. Make : Siemens / L&T / GE / BCH

Supply only coupling bolts and bushes (set of 6 Nos.) as per existing , complete all as specified and directed by Engineer-in-Charge.

Supply only, over load relay 3 phase 415 Volts , 25 Amps. Make: Siemens / L&T / GE / BCH , complete all as specified and directed by Engineer-in-Charge.

Supply only Bus bar supporting insulators as per existing , complete all as specified and directed by Engineer-in-Charge.

Supply only, Step down transformers copper wound 240/110V AC for controlled supply as per existing make and capacity at site, complete all as specified and directed by Engineer-in-Charge.

Supply only MCB tripple pole 415 Volts 50 Hz series of rating 6A to 32A capacity , complete all as specified and directed by Engineer-in-Charge. Make: L&T/Legrand/Havells

Supply only Copper conductor multistranded cable, 1100 volts grade, 2.5 Sqmm 3 core from DB to OH crane, complete all as specified and directed by Engineer-in-Charge. Make: Havells/Finolex/Polycab

Supply only steel wire rope size 12mm for EOT crane , complete all as specified and directed by Engineer-in-Charge. Make: Usha Martin / Fort William

Supply only copper conductor multistranded cable, 1100 volts grade, 6 Sqmm 3 core for OH crane, complete all as specified and directed by Engineer-in-Charge.

Preparation of iron/ steel surfaces of 1.5 to 3 Ton capacity EOT/HOT/Monorail cranes by rubbing and making free from oils, grease and dust and appplying one coat of polyurethene paint using spray gun on the surfaces of motors electrical/control panels, wires rope drums, hoist hook, platforms, ladders, brackets, cabins, hand rails including all components with existing colour scheme , complete all as specified and directed by Engineer-in-Charge.

Brake shoe liners (6/8 mm thick) made of treated fabric lining complete suitable for EHT/EMDC brake of 150 to 300mm drum size including riveting to brake shoe fixed in replacement of existing, complete all as specified and directed by Engineer-in-Charge.

Removing of unserviceable brake coil of thruster brakes in LT motion/CT motion/Main hoist/Auxiliary hoist including cutting and removing the burnt winding and rewinding with existing size of super enamelled copper conductor, applying insulating varnish, drying the coil only in original position upto size of 200mm for cranes of capacity 1.5Ton to 3 Ton , complete all as specified and directed by Engineer-in-Charge.

Rewinding of single phase/ three phase AC 1 HP/ 2 HP copper wound electric motor with super enamelled copper winding wire of existing size as per manufactures, including allied insulating material, complete all as specified and directed by Engineer-in-Charge.

Rewinding of Electric siren horizontal/vertical mounted single phase, 230 volts, AC, 50 Hz, ranging upto 5 KMs dia including replacement of ball bearing, capacitors of suitable size/capacity, complete all as specified and directed by Engineer-in-Charge.

Contract Amount shall be derived after affecting the amount of Schedule of Credit in General Summary on serial page No 15(R) of tender documents.

SRI SAI CONSTRUCTION COMPANY

ROSHAN LAL AHUJA

Singla Electricals

GURDEEP SINGH AND COMPANY

M/s Rohit Construction Co.