8197-REPAIRS TO LOW TENSION EXTERNAL ELECTRIC SUPPLY AND ALLIED WORKS AT MILITARY HOSPITAL, 100 ORs QTRS, DEFENCE COLONY MD ACCN AND DAD ACCN UNDER GE STM CHENNAI.

Amount

Excavating in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation of stays & Poles, laying of cables etc and getting out in soft / loose soil all as specified and directed

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm using excavated soil all as specified and directed.

Removing excavated material/ surplus soil to a distance not exceeding 50 metres and depositing where directed at a level not exceeding 1.5 metre above the starting point all as directed.

Supply, lay / spread in trenches, river sand including cleaning, spreading, leveling, punning for laying /cushioning of cable all as specified and as directed. Note: Punned thickness shall be measured and paid.

Supply, lay in trenches burnt Bricks, old size, Sub class "B" for cable protection including removing old bricks from trenches all as specified and directed. Note: Broken bricks shall be taken as credit

Relaying the serviceable old bricks in trenches for cable protection all as specified and directed. Note: Serviceable Old Bricks obtained from Item No.5 above shall be reused.

Disconnecting and taking out the old unserviceable LT UG cable in trenches, wall & poles and taken as credit including supply and Laying in trenches / poles / wall etc LT UG Cable XLPE insulated, armoured, heavy duty with multistranded aluminium conductor, 1100 volts grade conforming to IS specifications and of the following sizes:- Note: Lugs and glands are deemed to be included in the rate quoted for laying of cable and to be used wherever required while connecting cables to the panel board. Earth work such as excavation, refilling etc, shall be measured and paid separately under relevant item:-

LT UG cable 2 core 10 sqmm

LT UG cable 4 core 16 sqmm

LT UG cable 4 core 25 sqmm

LT UG cable 3.5 core 50 sqmm

LT UG cable 3.5 core 70 sqmm

LT UG cable 3.5 core 95 sqmm

LT UG cable 3.5 core 120 sqmm

LT UG cable 3.5 core 185 sqmm

LT UG cable 3.5 core 240 sqmm

S&F Straight through joints (epoxy) for underground cable including joint kits and labour complete for making joints suitable for LT PVC sheathed / armoured heavy duty cables with aluminium conductor of following sizes :-

LT UG cable 4 core 10 to 35sqmm

LT UG cable 4 core 50 to 95sqmm

LT UG cable 3.5 core 120 to185sqmm

LT UG cable 3.5 core 240 to 300 sqmm

Supply and lay steel tubes, 'light grade' galvanised, with all fittings; of bore of tube 80mm laid in trenches for drawing cables under road/drain crossings etc all as specified and directed

Supply and lay steel tubes, 'light grade' galvanised, with all fittings; of bore of tube 50mm laid in trenches for drawing cables under road/drain crossings etc all as specified and directed

Supply and lay steel tubes, 'light grade' galvanised, with all fittings; of bore of tube 40mm laid in trenches for drawing cables under road/drain crossings etc all as specified and directed

S&F Duty Contactor and TSM of rating 10 KVAr,415Volts of Type: Contactor -Standard Series Cap. Duty Cont 1NO1NC of Make: Havells or Equivalent in EPCOS/ L&T/ SIEMENS/ ABB

S&F Duty Contactor and TSM of rating 15 KVAr,415 Volts of Type: Contactor -Standard Series Cap. Duty Cont 1NO1NC of Make: Havells or equivalent in EPCOS

S&F Duty Contactor and TSM of rating 20 KVAr,415Volts of Type: Contactor -Standard Series Cap. Duty Cont 1NO1NC of Make: Havells or equivalent in EPCOS

S&F Duty Contactor and TSM of rating 25 KVAr,415 Volts of Type: Contactor -Standard Series Cap. Duty Cont 1NO1NC of Make: Havells or equivalent in EPCOS

Taking down the old unserviceable GI Sheet junction box and taken as credit including supplying and fixing pole mounted Sheet Moulded Compound (SMC) Box weather proof type with hinged type door off white color of size 240x130x110 mm comprising of 1 No MCB 6A and 1 No neutral link complete fixed on pole with suitable clamps, bolts and nuts all as specified and as directed. Make: Syntax

Taking down old Unserviceable street light fitting and taken as credit including supply and fixing LED Street light fitting with New generation energy saving & environmental friendly long life Versatile pressure die-cast aluminium IP 66 roadway luminaries with high power LED as light source of 120 watts including all accessories & connections incl all accessories all as specified and directed by Engr-in-charge.

Taking down old Unserviceable street light fitting and taken as credit including supply and fixing LED Street light fitting with New generation energy saving & environmental friendly long life Versatile pressure die-cast aluminium IP 66 roadway luminaries with high power LED as light source of 90 watts including all accessories & connections incl all accessories all as specified and directed by Engr-in-charge.

Taking down old Unserviceable Flood light fitting and taken as credit including Supply & Fix Energy saving, environmental friendly, long life, exclusive innovative die-cast aluminium IP65 flood light with high power LEDs as light source, suitable for highlighting architectural features or retail spaces of Lamp type 120W LED 6000K incl all accessories, all as specified and directed by Engr-in-charge. Make:

Taking down old Unserviceable Bldg Sec light fitting and taken as credit including supply & fix New generation energy saving & environmental friendly long life Versatile pressure die-cast aluminium IP65 roadway luminaries with high power LED as light source alongwith suitable bracket incl all accessories all as specified and directed by Engr-in-charge. Capacity 30W Make shall be, Havells,”ENDURACITY LITE PLAT PLUS SL 30W LED 757SASY BOPC” or its equivalent in CG/Bajaj/Orient/K-lite

Taking down the old UNSV GI pipe bracket and supply fixing GI pipe bracket for fixing street light fittings any type 40mm bore GI pipe light grade 1.2 mtr long bent to shape complete all as specified and directed by Engr-in-charge.

Taking down the LED street /security/ flood light fitting , any capacity / size from pole / bldg and inspection / checking for finding minor faults( loose connection of wire/bolts / cleaning), and refixing the same in existing position complete all as speciied and as directed by Engr-in-charge.

Taking down and taken into credit including supply and laying or fixing 3 core 2.5 sqmm PVC insulated wire 1100 volts grade heavy duty cable with an inner sheathing of PVC tape and over all PVC sheathed for Street light fitting from SMC Box complete all as specified and directed. Note: Wire shall be laid in PVC Pipe/ Inside pole.

Taking down old Unserviceable Post top lantern fitting and taken as credit including supply and fixing LED post top made in cast aluminium spigot housing with decorative opal acrylic diffuser of Luminaries type BGCL 40W LED and IP65 protection along with connected accessories complete all as specified and directed by Engr-in-charge.

Dismantling unserviceable power factor improvement capacitor of various capacities and Supply and fix heavy duty Cylindrical capacitors AC 440 volts, 50 Hz, Delta connection new power factor improvement capacitor of following capacities complete all as specified and directed. Make : havells, ABB or equivalent

25 KVAR Capacity

20.0 KVAr Capacity

15 KVAR Capacity

10 KVAR Capacity

5 KVAR Capacity

3 KVAR Capcity

S & F MCCB 3 pole 400 Amps,415 volts with rupturing capacity 50 KA.all as specified.

S & F MCCB 3 pole 250 Amps,415 volts with rupturing capacity 25 KA. all as specified.

S & F MCCB 3 pole 160 Amps,415 volts with rupturing capacity 25 KA. all as specified.

S & F MCCB 3 pole 100 Amps,415 volts with rupturing capacity 25 KA. all as specified.

S & F MCCB 4 pole 63 Amps,415 volts with rupturing capacity 16 KA. All as specified. Make for Item Nos, 32 to 36 : L&T/Havells/Crompton

S&F Electric supply distribution Panel board, factory made, out door type, CPRI Approved, LT AC, 415 volts, 3 phase 4 wire, 50 Hz, weather and vermin proof front with hinged type door, top with sloping canopy, bottom with dittachable sheet, outer shell fabricated with 3.0 mm thick CRCA sheet, inner shell fabricated with 2mm thick CRCA sheet, multi tire arrangement with seperate chambers for cable entry and exit, bus bars, switch gear, metering etc, complete panel inside and out side powder coated of approved colour with seven tank process, complete pillar box fitted with channels at bottom and complete panel mounted on 2 Nos PCC pillars with suitable bolts, nuts and washers. The pillar box shell comprise the following switch gear / items and internally prewired with suitable size copper conductor cable / strips all as specified and as directed including necessary marking of incomming and out going feeders and dismentling and taking out old one:- INCOMING (a) MCCB 4 pole 400 amps, 50 KA - 01 No. (b) Copper Bus bars 4 x 600 amps with PVC sleeves, colour coded, mounted on suitabe insuators with colour coding. OUTGOING (c) MCCB 4 pole 100 amps, 25 KA - 02 Nos. (d) MCCB 4 pole 63 amps, 16 KA - 08 Nos. (e) Digital type, Multifuntional Meter with power tranformer-01 No (f) Phase indication lamps with switch control - 03 Nos

S&F Electric supply distribution Panel board, factory made, out door type, CPRI Approved, LT AC, 415 volts, 3 phase 4 wire, 50 Hz, weather and vermin proof front with hinged type door, top with sloping canopy, bottom with dittachable sheet, outer shell fabricated with 3.0 mm thick CRCA sheet, inner shell fabricated with 2mm thick CRCA sheet, multi tire arrangement with seperate chambers for cable entry and exit, bus bars, switch gear, metering etc, complete panel inside and out side powder coated of approved colour with seven tank process, complete pillar box fitted with channels at bottom and complete panel mounted on 2 Nos PCC pillars with suitable bolts, nuts and washers. The pillar box shell comprise the following switch gear / items and internally prewired with suitable size copper conductor cable / strips all as specified and as directed including necessary marking of incomming and out going feeders and dismentling and taking out old one:- INCOMING (a) MCCB 4 pole 400 amps, 50 KA - 01 No. (b) Copper Bus bars 4 x 600 amps with PVC sleeves, colour coded, mounted on suitabe insuators with colour coding. OUTGOING (c) MCCB 4 pole 100 amps, 25 KA - 04 Nos. (d) MCCB 4 pole 63 amps, 16 KA - 02 Nos. (e) Digital type, Multifuntional Meter with power tranformer-01 No (f) Phase indication lamps with switch control - 03 Nos

S&F Electric supply distribution Panel board, factory made, out door type, CPRI Approved, LT AC, 415 volts, 3 phase 4 wire, 50 Hz, weather and vermin proof front with hinged type door, top with sloping canopy, bottom with dittachable sheet, outer shell fabricated with 3.0 mm thick CRCA sheet, inner shell fabricated with 2mm thick CRCA sheet, multi tire arrangement with seperate chambers for cable entry and exit, bus bars, switch gear, metering etc, complete panel inside and out side powder coated of approved colour with seven tank process, complete pillar box fitted with channels at bottom and complete panel mounted on 2 Nos PCC pillars with suitable bolts, nuts and washers. The pillar box shell comprise the following switch gear / items and internally prewired with suitable size copper conductor cable / strips all as specified and as directed including necessary marking of incomming and out going feeders and dismentling and taking out old one:- INCOMING (a) MCCB 4 pole 315 amps, 35 KA - 01 No. (b) Copper Bus bars 4 x 500 amps with PVC sleeves, colour coded, mounted on suitabe insuators with colour coding. OUTGOING (c) MCCB 4 pole 100 amps, 25 KA - 02 Nos. (d) MCCB 4 pole 63 amps, 16 KA - 04 Nos. (e) Digital type, Multifuntional Meter -01 No (f) Phase indication lamps with switch control - 03 Nos

S&F Electric supply distribution Panel board, factory made, out door type, CPRI Approved, LT AC, 415 volts, 3 phase 4 wire, 50 Hz, weather and vermin proof front with hinged type door, top with sloping canopy, bottom with dittachable sheet, outer shell fabricated with 3.0 mm thick CRCA sheet, inner shell fabricated with 2mm thick CRCA sheet, multi tire arrangement with seperate chambers for cable entry and exit, bus bars, switch gear, metering etc, complete panel inside and out side powder coated of approved colour with seven tank process, complete pillar box fitted with channels at bottom and complete panel mounted on 2 Nos PCC pillars with suitable bolts, nuts and washers. The pillar box shell comprise the following switch gear / items and internally prewired with suitable size copper conductor cable / strips all as specified and as directed including necessary marking of incomming and out going feeders and dismentling and taking out old one:- INCOMING (a) MCCB 4 pole 400 amps, 50 KA - 01 No. (b) Copper Bus bars 4 x 600 amps with PVC sleeves, colour coded, mounted on suitabe insuators with colour coding. OUTGOING (a) MCCB 4 pole 200 amps, 35 KA - 02 Nos . (b) MCCB 4 pole 100 amps, 25 KA - 05 Nos. (c) MCCB 4 pole 63 amps, 16 KA - 01 Nos (d) Digital type, Multifuntional Meter with power tranformer-01 No (e) Phase indication lamps with switch control - 03 Nos (f) Time switch single phase 240volts,16 Amps,single dial suitable for daily programme and suitable for operation of street light. (g) Four pole air brake power contractor operated on three phase to take load up to 45 kw with AC coil suitable for operation of street light.

Taking down the old unserviceable existing Air circuit Breaker any type, Supply and Fixing in repairs Air Circuit Breaker Manual fixed 4 pole 800 Amps, AC 660 Volts, 50-60 Hz. breaking capacity 50 KA Thermal-Magnetic Release,etc. suitable for as per existing model and type fixed in existing panel complete all as specified and directed. Make : L & T model CN-CS 800 A, 50 KA, Type DN1 or equivalent approved makes.

Taking down the old unserviceable existing Air circuit Breaker any type, Supply and Fixing in repairs Air Circuit Breaker Manual fixed 4 pole 1000 Amps, breaking capacity 50 KA AC 660 Volts, 50-60 Hz.Thermal-Magnetic Release,etc. suitable for as per existing model and type fixed in existing panel complete all as specified and directed. Make : L & T model CN-CS 1000 A, 50 KA, Type DN1 or equivalent approved makes.

Replacement in repairs of time switch single phase 240volts,16 Amps,single dial suitable for daily programme and suitable for operation of street light all as specified and directed.

Replacement in repairs of four pole air brake power contractor operated on three phase to take load up to 45 kw with AC coil suitable for operation of street light all as specified and directed. Make for item Nos 43 & 44 L&T OR equivalent approved make.

Finding fault of LT/ HT Switch Gear (ACB/VCB/LBS/GOD) or LT/ HT XLPE UG Cable aluminium conductor armoured of cable any size by fault locater including taking out from trenches/poles/structure and relaying after fault rectification complete all as specified and directed. Note: Rate including hire of LT/HT fault Locater and Earth Work. works should be completed with in 12 hrs, Jointing Kit/cable if required will be measured and paid separately under relevant Item if required.Before starting of any HT works contractor should ensure necessary safety arragements and proper shutdown of feeders/mains to avoide any unwanted incidents.

Earthing complete with GI strip of size 25 x 4mm thick earth plate electrode 600 x 600 x 6mm thick, buried directly into ground vertically not less than 2.25 Mtr below the ground level with top edge of the earth plate to a depth not less than 1.5 Mtr below the ground level, connected to a Galvanised 25 x 4mm including GI protection pipe 15mm bore light grade connected from electrode up to test point including necessary earth work, PCC/RCC chamber cover 50mm thick in RCC 1:2:4 type B1 with 8mm TMT bars 15 cm c/c both ways, funnel arrangement etc as per electrical plate No 5 of SSR part I Note : Rate shall be deemed to be inclusive of necessary excavation and earth work in any type of soil, removal of surplus soil to a distance not exceeding 50m, RCC cover slab and PCC chamber etc.

Preparation of old surface and painting of steel tubular electric poles with good quality silver paint complete including writing pole no all as specified and directed.

Complete servicing, overhauling, repairing, cleaning, oiling with setting of tripping mechanism of following Air Circuit Breakers (ACBs) 415 volts, 50Hz of capacity 630 amps to 1000 Amps any type or make or model etc.,complete all asper existing in & including submission of service & test reports. The servicing to be done by authorised service provider of manufacturer. Note :Minimum spares/lubricants and tools required for the job should be included in the coated rates .

Supply and fixing by replacement of following items of Air Circuit Breaker (ACB) 415 volts 630 to 1000 Amps 50Hz,any type or make or all asper existing :-

Closing Relay

Terminal Adaptors (4 terminals per Phase)

Relay Module

Shunt trip Release

Auxiliary Switch

Arc Chutes

Trip Push Buttons

ACB Position Indicator

Taking down the LED street /security/ flood light fitting , such as 25W/40W/42W/72W/90W/ 120W/150W from pole / bldg and inspection / checking for finding faults,replace suitable capacity of faulty driver with connected acessaries and refixing the same in existing position after carrying out necessary repair/replacement of spare parts against Supply and Fix complete all as speciied and as directed

Finding and rectification of electrical fault by Checking of external/internal(LT) elect supply feeder, street light feeder,OH conductors /under ground cables using elect tools, equipments and safty devices after arranging elect shut down of feeders from sub station to remove elect faults like tightning of loose connection,removing of any electric short,meggring of cable,excavation of soil for removing of faulty cable on a particular span and relaying of cables after removing of fault, re-tightning of cable lugs etc all as required at site and as directed by Engr in Charge. Note:- (i) The electrician employed for the purpose will be highly skilled along with one mate and should have all necessary tools and safty devices. (ii) Any major materials used for rectification of faults like Cables,MCB/MCCB/cable jointing kits/cables of any type etc will be measured and paid seperately or supplied by department.(iii) Rate including hire of HT fault Locaterany other tools/equipments and Earth Work. works should be completed with in 12 hrs.

Repair and welding work the existing panel board door and provided hinges for door if necessary and lock arrangement with provision of pad lock with keys, making good the electric connection, wirings and cleaning the welding surfaces by rubbing and polishing with one coat of synthetic enamel paint all is specified and directed.

Replacement in repairs of Street light control panels out door type with CRCA sheet dust proof, including time switch single phase 240volts,12 kw load bearing capacity,single dial suitable for daily programme and suitable for operation of street light, four pole air brake power contractor operated on three phase to take load up to 12 kw with AC coil suitable for operation of street light with MCB 63 aMPS TPN,all as specified and directed. Make :Havells HSN Code-8537,SAP CODE-IHXTS09120 OR equivalent approved make.

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