REPAIR MAINT AND REWIRING OF INTERNAL WIRING, MCB, DB, CEILING FANS GEYSERS, EXTERNAL ELECTRIC SERVICES INCL TRANSFORMERS, DISTRIBUTION PANEL, CABEL CONDUCTORS AND CONNECTED ASSETS AT A UNIT DOOM DOOMA UNDER GE (AF) MOHANBARI

Amount

Taking down carefully aluminium/ copper point wiring (light, fan, socket, power point) including batten, conduit and fittings such as switches, ceiling rose, sockets, brackets, light fittings, switch board etc removing, making good distrubed surfaces of wall, floor, ceiling etc complete all as specified and directed.

M&L for point wiring with 1.5 sqmm cable PVC unsheathed and insulated copper multistranded conductor (FRLS) 1100 Volts grade cable (red colour cable to be used for phase connection and black colour cable to be used for neutral connection) including PVC casing capping with all accessories including 1.5 sqmm copper multistrand conductor (FRLS) 1100 Volts grade unsheathed PVC insulated (green colour) continuity earth wire connected to common earth dolly and sunk cast pressed steel terminal box made out of MS sheet for mounting of fittings like switch, socket and fan regulator with 3 mm thick hylum laminated sheet cover complete all as specified and directed for the following:-

Light/ Fan/ Bell point controlled by one switch

5 Amp switch socket on same board

5 Amp switch socket on Independent Board.

All as per item No 2 here in before but 2.5 sqmm P.V.C insulated unsheathed cable with stranded copper conductor for 6 pin, 6/16 Amp switch socket combination on independent board.

M&L for point wiring with 1.5 sqmm cable PVC unsheathed and insulated copper multistranded conductor (FRLS) 1100 Volts grade cable (red colour cable to be used for phase connection and black colour cable to be used for neutral connection) including PVC concealed conduit medium grade with all accessories including 1.5 sqmm copper multistrand conductor (FRLS) 1100 Volts grade unsheathed PVC insulated (green colour) continuity earth wire connected to common earth dolly and sunk cast pressed steel terminal box made out of MS sheet for mounting of fittings like switch, socket and fan regulator with 3 mm thick hylum laminated sheet cover incl cutting chases pinning in, for concealed conduit wiring and making goods of disturbed surface not exc 15 cm girth complete all as specified and directed for the following:- ( Note: Cutting and chasing deemed to be included in coated rate. )

Light/ Fan/ Bell point controlled by one switch

5 amp socket on same boared

5 Amp switch socket on Independent Board.

All as per item No 4 here in before but 2.5 sqmm P.V.C insulated unsheathed cable with stranded copper conductor for 6 pin, 6/16 Amp switch socket combination on independent board.

S&F socket 3 pin, 5 Amps piano flush type 230/240 V complete all as specified and directed.

S&F switch socket combination 5/6 Amps piano flush type 230/240 V complete all as specified and directed.

S&F switch socket combination 3 pin combination, 15/16 Amps piano flush type 230/240 V complete all as specified and directed.

S&F ceiling rose 3 terminal/ PVC/ polycarbonate, isolated body, surface type complete all as specified and directed.

S&F step type electronic fan regulator piano flush type 230 volt, speed control and connecting up and fix position complete all as specified and directed.

S&F switch piano flush type 5/6 amps, 240 volt, single pole, one way complete all as specified and directed.

S&F bell push piano flush type, 5/6 amps, 240 volt, single pole complete all as specified and directed.

S&F buzzer/ ding dong bell, AC 230 volt, single pole complete all as specified and directed.

S&F lamp holder, PVC/ polycarbonate type with back plate straight or angular suitable for B22 bulb complete all as specified and directed.

S&F in repair of wall decorative ultra slim LED 18/20 Watt, 230 volts, 50 Hz, 4 feet, lighting fixture with extruded polycarbonate lighting fixture, environmental friendly, energy efficient ready to use pack including lamp complete all as specified and directed.

S&F in repair of ultra slim LED batten 10 Watt, 230Volts, 50 Hz, decorative ultra slim LED lighting fixture with extruded polycarbonate, environmental friendly including lamp, connection wire all as specified and directed.

S&F in repair of recessed mounted 36 Watt (clear white) LED panel light 2x2 feet, ultra slim design, 230 volts, 50 Hz with CRCA sheet housing precoated white colour and high quality diffuser for uniform light and high efficiency with separate replaceable electronic driver including lamp complete all as specified.

S&F in repair recessed mounted LED light of round type, minimum 1200 Lumen (12Watt ) with all accessories internally prewired and including connecting up with twisted copper conductor cable of suitable size complete all as specified and as directed.

S&F in repair of bulk head luminaire environmental friendly, ultra modern, energy saving, surface mounted, decorative oval bulk head edge-lit LED luminaire comprising of high brightness LEDs 10 Watt, 230 Volts, 50 Hz including lamp, connection wire all as specified and directed.

S&F building security light LED type of minimum 3000 Lumens (30watts) pressure die cast aluminium housing IP 66 protection with all accessories internally prewired and including connecting up with twisted copper conductor cable of suitable size including bracket made of 32mm dia GI light grade pipe of 1.2m long bent to shape fixed with suitable MS clamps, bolts, nuts and washers duly painted including taking down old fittings complete all as specified and directed.

M&L in repair for sub main wiring with 2 run of FRLS PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 4.0 sqmm alongwith one run of FRLS PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 4.0 sqmm as earth continuity conductor drawn through & including PVC casing-caping medium grade complete all as specified and directed. Note:- 2 runs of copper conductor shall be measured as one unit.

M&L in repair for sub main wiring with 2 run of FRLS PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 6.0 sqmm alongwith one run of FRLS PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 6.0 sqmm as earth continuity conductor drawn through & including PVC casing-caping medium grade complete all as specified and directed. Note:- 2 runs of copper conductor shall be measured as one unit.

M&L in repair for sub main wiring with 2 run of FRLS PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 4.0 sqmm alongwith one run of FRLS PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 4.0 sqmm as earth continuity conductor drawn through & including medium grade PVC conduit complete all as specified and directed.

Supply and fixing in repair of factory made sheet metal enclosure for DBs double door, TPN, 415 volt, 4 Way, IP-42 protection with bus bar, neutral link, earth link complete all as specified and directed.

Supply and fixing in repair of factory made sheet metal enclosure for DBs double door, SPN, 240 volt, 8 Way, IP-42 protection with bus bar, neutral link, earth link complete all as specified and directed.

Supply and fixing in repair of factory made sheet metal enclosure for DBs double door, SPN, 240 volt, 4 Way, IP-42 protection with bus bar, neutral link, earth link complete all as specified and directed.

Supply and fixing in repair of 240V, 10KA 'C' curve miniature circuit breaker (MCB) SPN 32-40 Amp current carrying capacity complete with connection testing completed all as specified and directed

Supply and fixing in repair of 415V 10KA 'C' curve miniature circuit breaker (MCB) TPN 63 Amps current carrying capacity complete with connection testing completed all as specified and directed

S&F in repair of sheet metal enclosure, single pole and neutral with two pin and earth plug and socket, 20 Amps, 230 Volts, 50 Hz complete with one single pole MCB of 20 Amps, 10kA, 230 volts, 50Hz, C curve type complete all as specified.

Supply and fixing in repair of 240V, 10KA 'C' curve miniature circuit breaker (MCB) SP 10 to 32 Amp current carrying capacity complete with connection testing complete all as specified and directed

Supply & fixing in replacement of plastic ventilation fan of sweep 200mm complete all as specified and directed.

Carrying out pressure leak test by nitrogen gas pressure for detecting leak in condensing unit refigerant pipe and repairing the leak by the welding or brazing of condensing unit and refrigerant pipe, putting under pressure for leak checking after repairs of leak pipe transporting & carrying out t & p required at site for work of following capacity ACs, water coolers & refrigertors & deep freezers complete all as specifed and diretced. Notes :- Refrigeration gas charging as per existing type/ model / make after repairs is measured and paid seperately under revelant item

Winodw type AC of capacity 1.5/2.0 TR

Split type AC of capacity 1.5/2.0 TR

Supply and fixing in repairs compressor for following type window / split AC complete all as specified and directed.

Sealed unit reciprocating/rotary type to match with the existing winodw type AC unit of capacity 1.5 TR including gas charging of specified quantity etc.

Sealed unit reciprocating/rotary type to match with the existing split type AC of capacity 1.5 TR ncluding gas charging of specified quantity etc.

Sealed unit reciprocating/rotary type to match with the existing split type AC of capacity 2.0 TR ncluding gas charging of specified quantity etc

Supply and fix in repair capacitor Running 4 Mfd complete all as specified and directed.

Supply and fix in repair capacitor Running 45 Mfd +_ 4 Mfd complete all as specified and directed.

Supply and fix in repair capacitor Running 50 Mfd +_ 6 Mfd complete all as specified and directed.

Supply and fix in repair capacitor Starting 80/100 Mfd complete all as specified and directed.

Supply and fix in repair capacitor Starting 100/120 Mfd complete all as specified and directed.

Supply and fix in repair capillary tube copper as per existing size complete all as specified and directed.

Supply and fix in repair filter strainer as per existing size complete all as specified and directed.

Supply and fix in repair starting relay as per existing size complete all as specified and directed.

Supply and fix in repair contactor relay as per existing size complete all as specified and directed.

Supply and fix in repair overload Protector as per existing complete all as specified and directed.

Supply and fixing in repairs copper condernser fins type for air conditioners as per existing type/ make /model / capacity complete all as specified and directed .

Split type AC of capacity 1.5 TR

Split type AC of capacity 2.0 TR

Supply and charging refrigeration gas R-22/R 32 for summer cooling appliances complete all as specified and directed.

Supply and fixing in repairs PCB board for air conditioners as per existing type/ make /model of capacity 1.5/2.0TR complete all as specified and directed.

Supply and fixing in repairs blower motor for air conditioners of capacity 1.5/2TR as per existing type/ make /model complete all as specified and directed by the engg-in- charge.

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 300m sweep with, blades, and frame and louvers complete all as specified and directed.

Supply and fixing ceiling fans complete with blades, down rods, electronic regulator and accessories, 230 V, 1200 mm sweep. Min air delivery 210 CFM with service value 6.00 BEE. Five starrated with brushless direct current motor (BLDC) complete all as specifed and directed.

Supply only switch socket combination 5/6 Amps piano flush type 230/240 V complete all as specified and directed. (For independent board).

Supply only switch socket combination 3 pin combination, 15/16 Amps piano flush type 230/240 V complete all as specified and directed.

Supply only step type electronic fan regulator piano flush type 230 volt, speed control and connecting up and fix position complete all as specified and directed.

Supply only switch piano flush type 5/6 amps, 240 volt, single pole, one way complete all as specified and directed.

Supply only bell push piano flush type, 5/6 amps, 240 volt, single pole complete all as specified and directed.

Supply only buzzer/ ding dong bell, AC 230 volt, single pole complete all as specified and directed.

Supply only modular switch 1 way and 1 module 6 amps, 240 volt, complete to match with existing fixture all as specified and directed.

Supply only modular socket 1 way and 2 module 5/6 amps, 240 volt, to match with existing fixture complete all as specified and directed.

Supply only modular switch 1 way and 1 module 16 amps, 240 volt, complete to match with existing fixture all as specified and directed.

Supply only modular switch 1 way and 2 module 15/16 amps, 240 volt, to match with existing fixture complete all as specified and directed.

Supply only modular fan regulator 1 way and 2 module, 240 volt, to match with existing fixture complete all as specified and directed.

Supply only fan capacitor 2.5MFD oil type complete all as specified and directed.

Excavation in trenches not exceeding 1.50 mtr wide and not exceeding 1.50 mtr deep for taking out/ laying of under ground cable, pole, pipe, stay and getting out in soft soil strata including making good to the disbturbed surfaces such as hardstanding, footpath/ pavments complete all as specified and directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm spread any type of soil complete all as specified and directed.

Removing excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.50 mtr above the starting point complete all as specified and directed.

M&L for sand cushioning to under ground cable provided with a layer of sand 8 cm depth before laying of cable and 15 cm depth after laying and stretching the cable all as specified. Note: Punned thickness of sand shall be measured & paid.

M&L for well burnt sub class 'B' bricks of nominal size 230X115X75 mm abutting each other for mechanical protection of cable with width equal to lenght of brick including taking out old complete all as specified and directed.

Taking down or out existing serviceable/ unserviceable cable of sizes 2/3.5/4 core 10/16/25/50/70/95 sqmm from the trenches / ducts/ along walls / poles / through poles / under roads/ inside sub station including segregation the serviceable cable by cutting down defective portion after testing by meggar (insulation tester) , stacking and rolling unserviceable cable for further disposal completed all as specifie and directed Note :- (a) Excavation / cutting of road or floor/ GI pipe & laying / relaying of cable etc shall be measured and paid seperately under respective item of this schedule (b) Serviceable brick protection to be stacked carefully for counting and re use.

Supply, fixing/ laying, testing, connecting and commissioning in replacement of LT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric cable (heavy duty) with multistranded aluminium conductor, 1100 Volts grade laid in trenches/ on wall/ poles/ ducts/ pipe including cable glands, lugs and suitable size of MS saddle clips (where ever cable laid in ceilings / walls without cable duct) complete all as specified and directed of the following cross sectional area:-

95 Sqmm x 3.5 core

70 Sqmm x 3.5 core

50 Sqmm x 3.5 core

25 Sqmm x 3.5 core

16 Sqmm x 4 core

10 Sqmm x 4 core

10 Sqmm x 2 core

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material heat Shrink type and accessories suitable for 2/4 core XLPE, armoured, Al conductor cable of size 10 to 16 sqmm,Outdoor type for joininng of damaged cable complete all as specified and directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material heat Shrink type and accessories suitable for 3.5/4 core XLPE, armoured, Al conductor cable of size 25 to 50 sqmm,Outdoor type for joininng of damaged cable complete all as specified and directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material heat Shrink type and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 70 to 150 sqmm,Outdoor type for joininng of damaged cable complete all as specified and directed.

M&L for boring/ drilling (horizontally) hole manually under existing road, pavement, hard standing (maximum 10mtr in width) suitable for passing GI tubing 40 to 50mm bore complete all as specified and directed.

Supply and fixing in replacement GI protection pipe of 50 mm dia light grade for cable protection including all fittings laid in trenches or fixed on pole/ walls with mild steel clamps, bolts, nuts and washers complete all as specified. Note:- Earth work shall be measured and paid separately.

S&F in replacement of MCCB, TPN, 250 Amps, 36kA breaking capacity with overload and thermal tripping feature, 415Volts AC, 50Hz complete all as specified and directed. Note:- Minor addition/ alteration and requirement of nuts and bolts, cable lugs for fixing of MCCB in existing panel deemed to be included in quoted rate.

S&F in replacement of MCCB, TP, 63/100 Amps, 16kA breaking capacity, 415Volts AC, 50Hz complete all as specified and directed. Note:- Minor addition/ alteration and requirement of nuts and bolts, cable lugs for fixing of MCCB in existing panel deemed to be included in quoted rate.

S&F in replacement of on load changeover switch four pole of 200 Amps, 415 volts, 50 Hz in SS enclosure complete all as specified & directed. Note:- Cost of minor addition, alteration, fabrication work (if required) at site to fix properly deemed to be included in the quoted rates.

M&L for restringing of existing two wire over head line LT over head including removing the existing binding wire and rebinding with new binding wire after tightening of overhead lines including providing the cable/wire separator at suitable distance by disconnecting existing jumper and connections and reconnecting after tightning of conductor all as directed by Engr-in-Charge. Note:- Two wire run of conductor and two run of earth continuity wire in LT line shall be measured & paid as one span length.

M&L for restringing of existing four wire over head line LT over head including removing the existing binding wire and rebinding with new binding wire after tightening of overhead lines including disconnecting existing jumper and connections and reconnecting after tightning of conductor all as directed by Engr-in-Charge. Note:- Four wire run of conductor and two run of earth continuity wire in LT line shall be measured & paid as one span length.

Supply and fix in replacement pin type, porcelain, vitreous, white brown or green insulator including one galvnised mild steel spindle, two nos galvanised iron washer and one galvnised iron nut, 100mm height, 65mm dia for 1100v grade complete all as specified and directed.

Supply and fix in replacement shackle, porcelain, vitreous, white brown or green insulator including galvnised mild steel straps, washers, insulator, bolts, washers and nuts for size 100mm height and 115mm dia for 1100 Volts with 31x5mm galvanised steel straps and 14mm dia of bolts complete all as specified and directed.

M&L for PCC 1:4:8 type D2 using 40mm graded stone aggregate for fdn of pole/ stay/ angle/ pipe complete all as specified and directed.

M&L for PCC 1:2:4 type C2 using 20mm graded for padestal coping including necessary form work finished fair using extra complete all as specified and directed.

M&L for PCC 1:3:6 type C2 using 40mm graded stone aggregate for fdn of pole/ stay/ angle/ pipe complete all as specified and directed.

M&L for preparation of old painted steel or iron surfaces of any description, over 10cm in width or girth, not otherwise described and applying one coat of synthetic enameled spray painting of approved shade complete all as specified and directed.

M&L for writing letters or figures (Block, Roman, Italic or Indian) n exc. 30 cm high as per colour scheme complete all as specified and directed.

S&F in replacement of voltmeter digital type 0-500 volts AC, flush mounting type, 3 phase complete all as specified and directed.

S&F in replacement of ammeter digital type, flush mounting type, 3 phase complete with suitable CTs of range as required on site complete all as specified and directed.

S&F in replacement of CTs of range 400/5Amps as required on site complete all as specified and directed.

S&F in replacement of LED indicator as per colour scheme (Red/Yellow/Blue/Green) suitable for LT panel complete all as specified and directed.

M&L for repair/ maintenance of LT panel door by replacement of hinges and locking arrangement including necessary welding/ nuts, bolts, washers as per existing size/ type complete all as specified and directed. (Note: (i) One side door will be measured & paid as one job). (ii) New LT panel door (only) of suitable size and thickness shall be measured and paid separately under relevant item of this schedule.)

Supply , install, testing and commissioning of floor mounted LT OUTDOOR feeder pillar box AC 415 V , 50 HZ 3 Phase 4 wire of suitable size for accomodating the following accessories totally enclosed self supporting structure / cubicle , fully compartmentalized type , suitable for outdoor use , with bottom cable entry with suitable cable glands structure made out of 3.15 mm thick with CPRI Approved CRCA steel sheet of Size ( 1.2 x 1.2 x 0.6) m with angle iron frame work and legs of ISA 50X50X5 mm , with four legs grouted to PCC (1:2:4) type B1 , foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter , changeover switch and MCCBs , hinged doors at front with suitable locking arrangement , Provision of louvers at sides , structure treated under 8 - tank metal treatment process and duly powder coated complete all as specified and directed. BUSBAR :- (a) Aluminium bus bar 400 Amps , supported on non hygroscopic fibres and brass screws for mounting -04 Nos INCOMER:- (a) Supply and fixing Main Incoming MCCB OF 4 Pole,415 Volts of capacity 250 36KA Amps with thermal magnetic release-01 Nos INDICATING DEVICES:- (a) Supply and fixing LED Indicating lamps for Main Supply indicating R, Y, B - 03 Nos (b ) Supply and fixing Digital Ampere Meter of size 100mmX100mm for 0-300 A display , incl CT having CTR 250/5 - 01 Nos & Digital Voltmeter 0-500 Volts , SIF 96 - 01 Nos OUTGOING :- (a) Supply and fixing Main Incoming MCCB OF 3 Pole,415 Volts of capacity 125 Amps with thermal magnetic release -02 Nos (b) Supply and fixing Main Incoming MCCB OF 3 Pole,415 Volts of capacity 100 Amps with thermal magnetic release -02 Nos (c) Supply and fixing Main Incoming MCCB OF 3 Pole,415 Volts of capacity 63 Amps with thermal magnetic release -02 Nos

S&F in replacement of automatic nature timer (based on lux level of natural light) based street light panel 3phase, 12-18kW, IP66 with in-built nature switch, power contactor, incoming & outgoing 40A TP MCB, pole/ wall mounted type, thermoplastic polymer weather proof enclosure, internal connecting cables complete all as specified and directed. Make : Nature Switch/ Havells/ Legrand or as approved by GE.

Supply and fixing in replacement of Aluminium busbar of suitable capacity in any shape and size as required on site complete all as specified and directed.

M&L for dehydration & filteration of transformer oil by dehydration plant (bringing plant at site) including testing of sample before and after dehydration and filteration to achieved 40 KV at 2.5 mm gap complete all as specified and directed. Note: (a) The filtration of the transformer oil shall be carried out at different sub stations of Air Force Station Mohanbari. (b) The report before filtration & after filtration to be submitted by contractor. (c) Transformer oil for topping up will be measured and paid separately.

Supply & toping up of new transformer oil (in sealed barrel) confirming to IS 335 Std having dielectric strength 40KV at 2.5mm gap after initial dehydration complete all as specified and directed. Make: Savita/ Castrol/ Power oil/ Truoil.

M&L for spray painting (including bringing compressor of suitable size at site) old painted steel or iron surface of 125 KVA to 315 KVA transformer (11/0.433KV) complete with all connected fittings & fixtures i.e. buchholz relay, conservator tank, cooling fins and other standard fittings & attachments as per existing colour scheme and pattern with atleast two coats of synthetic enameled paint after duly preparing the surface by cleaning with scrapers and emrey paper to the entire satisfaction of Engr-in-Charge complete all as specified and directed. Note:- Contractor will apply one layer of greese over specification plate / any written letter before painting and clean the same after painting, rates for the same is deemed to be included in the item quoted rates.

Material and labour for painting of erected steel tubular swaged pole of HT over head line of 11 m long (except embedded portion) complete including all MS work mounted on pole with two coat of aluminium paint after necessary preparation, cleaning including scrapping up of old corroded paint dirt/ dust/ rust carefully and providing 03 Nos bands/ straps with synthetic enamel paint (any tint 30 cm wide each) from top of plinth block and writing of pole number with white synthetic enamel paint on black back ground complete all as specified and directed.

Disconnecting the distribution transformer outdoor/ indoor type from HT and LT side, opening carefully at site, draining out transformer oil (keeping safe in barrel for reuse) upto HT/ LT box for rectifying the leakage by replacing the unserviceable spare parts of capacity 125 to 315 KVA, 11/ 0.433 KV transformer, refilling the transformer oil and re-assembling after repair including testing for any oil leakages and connecting the HT/ LT side and testing on available electric load complete all specified and directed. Note:- (a) Defective parts shall be measured and paid separately as "Supply only". (b) Charge of welding work (if require) is deemed to be included in the quoted rate.

Supply only LT bushings with brass studs of existing specification.

Supply only top cover gasket set of existing specification and size.

Supply only HT bushing with brass studs 11 KV of existing specification.

Supply onlyt oil level indicator suitable for 125 to 315 KVA, 11/ 0.433 KV transformer alongwith connected accessories complete all specified and directed.

Supply and fix in replacement of air breather assembly transparent plastic body with top and bottom portion pressed with metallic cover, filled with new silica gel (blue in colour) suitable for 125 to 315 KVA, 11/ 0.433 KV transformer, fixing on existing pipe of size 15/20/25 mm dia with suitable reducer/ connector complete as per site requirement all specified and directed . Note:- (a) Cost of modification (if required to fix on existing MS pipe) shall be deemed to included in the item quoted rate.

Supply and fix in replacement of danger notice plate of 1.6 mm thick mild steel sheet vitreous enameled white with letter, figures and conventional skull & bones in signal red colour & fixed with & including MS clamps, bolts, nuts and of size 25 x 20cm for HT 11KV complete all specified and directed.

Supplying and laying in replacement of synthetic rubber insulated mats 2.5 mm thick for voltage 11 KV for electrical purpose as per IS 15652-2006 (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m complete all specified and directed.

S&F in replacement of anti climbing devices comprising 2.24mm dia galvanised steel 2-strand barbed wire with 2.00mm dia barbs wrapped spirally round poles, to a length of 0.5 to 1.0 metre clamped and properly secured or as ordered complete all as directed. Note:- Clamps required shall be measured seperately

S&F in replacement of anti-climbing device spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole or as ordered complete all as specified and directed.

S&F in replacement of gang operated air break switch triple pole, mechanically manual operated, mounted on 9 Nos insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 400 Amps, 11000volts complete all as specified and directed.

S&F in replacement of lightning arrester expulsion type complete with all fittings, transmission class, discharge capacity 65 Kilo Amps, 11000 volts complete all as specified and directed.

M&L for Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006of 60 mm thickness, M-35 Grade with grey cement and no pigment complete and demolition and dismantling of old block all as specified and directed

M&L for fine sand spreading on surface for switch yard for base of paver block complete all as specified and directed.

M&L for Surface dressing n exc15 cm deep complete all as specified and as directed.

M&L for Brickwork with sub- class ‘B’ bricks, straight or curved on plan to any radius in half brick thick walls, built in cement mortar in 1:1:8 complete all as specified and directed.

M&L for spreading of graded crashed aggregate 40mm nominal size to a true surface and leveled in layers not exc. 20 cm thick for switch yard complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate 600mm x 600mm x6mm thick elecrode and 32mm x 6mm galvanised iron strip as earthing lead burried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level, the earth plate surrounded by adequate quantity of charcoal dust and common salt to a packed thickness of 15 cm on all sides connected to GI strip 32mm x 6mm as earth lead by means of bolts, nuts, check nuts and washers (including welding) of galvanised iron or steel and connected to main switch board / panel/ test point at the other including necessary earth work in any type of soil, returning filling in and removal of surplus soil, concrete pit in PCC (1:3:6) type C1, pre cast RCC 1:2:4 type BI cover slab 54cm x 54cm x 5cm reinforce with 8mm dia bar TMT @150mm centre to centre both ways with one handle for lifting made out 8mm dia MS bar with wire mesh funnel, 20mm GI tubing medium grade for watering and 40mm GI tubing light grade for protection, test point, testing on completion all as shown in Electrical Plate No 3 of SSR Part-I complete all as specified and directed.

M/S CHAKRA GOHAIN

M/S SINGH TRADERS

M/S D G ENTERPRISE

M/s Sashi Enterprise

M/s Pramillabh Construction

M/S A K BROTHERS