COMPREHENSIVE MAINTENANCE OF EM INFRASTRUCTURE AND LT DISTRIBUTION NETWORK SWITCHGEAR CIRCUIT BREAKER AND CONNECTED WORK IN TECH AREA AT AF STATION BAMRAULI

Amount

Excavation in trenches, n.exc. 1.5M wide and n.exc. 1.5M deep and getting out in soft/loose complete all as specified & directed .

Returning filling in including spreading, leveling, watering and well ramming in layers n.exc. 25cm thick complete all as specified & directed.

Removal of surplus excavated material to a distance n.exc. 50 Mtr and depositing where directed at a level n.exc. 1.5 Mtr above the starting point complete all as specified & directed

Supply and laying brick protection with sub class 'B' bricks (Old Size) laid flat in trenches as cable covers to protection of cable all as specified and directed

M&L for sand cushioning to underground cable with coarse dry sand provided with layers of sand as specified in SSR Part -I complete all as specified and directed. Note:- Sand cushioning shall be measured and paid after punning.

Supply and laying cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power underground cable (heavy duty) 1100 volt grade with stranded aluminium conductor including taking down old unserviceable cable,brick complete all as specified and directed for the following size:- Note : Excavation, earth work, sand cushuning,brick protection and pipe shall be measured and paid separetely under respective item of this schedule.

(a) 16 sqmm 4 core

(b) 120 sqmm 3.5core

(c) 95 sqmm 3.5 core

(d) 35 sqmm 3.5 core

(e) 50 sqmm 3.5 core

(f) 240 sqmm 3.5 core

(g) 10sqmm 4 core

Supply, jointing and testing cable jointing kit for 1100 volt grade cable for Indoor/out door termination heat shrink type complete with jointing material & accessories for following size XLPE insulated armoured aluminium cable:- Make :- 3M / Denson / Raychem / M Seal.

(a) 70 sqmm, 3.5 core/4 core to 150 sqmm, 3.5 core/4 core.

(b) 25 Sqmm 3.5 core/4 core to 50 Sqmm 3.5 core

(c) 185 Sqmm 3.5 core/4 core to 300 Sqmm 3.5 core

Supply, jointing and testing cable jointing kit for 1100 volt grade cable for Straight Through heat shrink type complete with jointing material & accessories for following size XLPE insulated armoured aluminium cable:- Make :- 3M / Denson / Raychem / M Seal.

(a) 70 sqmm, 3.5 core/4 core to 150 sqmm, 3.5 core/4 core.

(b) 25 Sqmm 3.5 core/4 core to 50 Sqmm 3.5 core

(c) 185 Sqmm 3.5 core/4 core to 300 Sqmm 3.5 core

Supply, laying and testing in replacement cable XLPE insulated, screened PVC bedded, glavanized steel strip or wire armoured, electric power underground cable (heavy duty) with stranded aluminium conductor, 11000 volts grade (earthed), of following size:-

(a) 120 sqmm 3 core

(b)185 Sqmm 3 core

Supply and fixing cable jointing kit for 11KV grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 sq mm complete all as specified and directed by Engineer-in-charge. Make :- 3M / Denson / Raychem / M Seal.

Supply and fixing cable jointing kit for 11KV grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 sq mm complete all as specified and directed by Engineer-in-charge. Make :- 3M / Denson / Raychem / M Seal.

Supply and fixing cable jointing kit for 11KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 sq mm complete all as specified and directed by Engineer-in-charge. Make :- 3M / Denson / Raychem / M Seal.

Supply and fixing cable jointing kit for 11KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm complete all as specified and directed by Engineer-in-charge. Make :- 3M / Denson / Raychem / M Seal.

Taking down of old change over switch after disconneting all incoming/out going connection and supply and fixing of new ON laod change over switch 4 pole, 415 Volt, AC, 50 Hz of capacity 250 Amps with sheet metal enclosure and fixing on panel by the help of nuts and bolts and all electircal connection complete all as specified and directed by Engr-in-Charge. Make Indosian Cat no ICAS0250 or equivalent in L&T/Havells.

Taking down of old change over switch after disconneting all incoming/out going connection and supply and fixing of new ON laod change over switch 4 pole, 415 Volt, AC, 50 Hz of capacity 160 Amps with sheet metal enclosure and fixing on panel by the help of nuts and bolts and all electircal connection complete all as specified and directed by Engr-in-Charge. Make Indosian Cat no ICAS0160 or equivalent in L&T/Havells.

Taking down of old change over switch after disconneting all incoming/out going connection and supply and fixing of new OFF laod change over switch 4 pole, 415 Volt, AC, 50 Hz of capacity 250 Amps with sheet metal enclosure and fixing on panel by the help of nuts and bolts and all electircal connection complete all as specified and directed by Engr-in-Charge. Make Indosian Cat no OFFP0250 or equivalent in L&T/Havells.

Taking down of old change over switch after disconneting all incoming/out going connection and supply and fixing of new OFF laod change over switch 4 pole, 415 Volt, AC, 50 Hz of capacity 100 Amps with sheet metal enclosure and fixing on panel by the help of nuts and bolts and all electircal connection complete all as specified and directed by Engr-in-Charge. Make Indoasian Cat no OFFP0100 or equivalent in L&T/Havells.

Supply and laying in replacement GI pipe “Light Grade” in trenches, under floors, roads, along poles for protection of cables, including sealing ends all as specified & directed of size :- Note : Clamps to be measured and paid under appropriate item.

(a) 50 mm bore

(b) 80 mm bore

Taking down old unserviceable, LT panel board and Supply, installation ,commissioning,and testing of suitable size out door type cubicle panel board suitable for 3 phase 4 wire 415 V , 50 Hz factory made CPRI approved of outer shell made out of 3.15 mm thick CRCA sheet powder coated including MS angle section 50x50x6 mm frame of suitable size with louvers & air vent, gasket for natural air flow ,vermin proof , the bottom of outer shell contains a detachable plate having provision for entry of armoured cable of adequate size with glands outer shell with IP-54 . Inner shell shall be made out of 2.0 mm thick CRCA sheet and including the following :- (a) Aluminium busbar chamber TPN of 600 Amps rating (set of four strip) - 01 No.(b) Phase indicating lamp - Set of three. Incoming :-(c) MCCB 4 Pole, 415 volt AC, 50 Hz, 400 Amp adjustable type with rated breaking capacity 36 KA - 01 No.Outgoing :-(d) MCCB 4 Pole, 415 Volt, 50 Hz, 250 Amp adjustable type with rated breaking capacity 36 KA - 02 No.(e) MCCB 4 Pole, 415 Volt, 50 Hz, 100 Amp rating breaking capacity 25 KA - 01 No (f) MCCB 4 Pole, 415 Volt, 50 Hz, 200 Amp adjustable type with rated breaking capacity 36 KA - 04 No (g) MCCB 4 Pole, 415 Volt, 50 Hz, 160 Amp adjustable type with rated breaking capacity 25 KA - 02 No. (f) Digital ammeter 0 -800 A,accuracy class 1 - 01 No.(g) Digital voltmeter 0 -500V,accuracy class 1 - 01 No. (h) Street light timer switch complete with three phase contractor (1NO+INC), 40A and TPN MCB 40A, 'C' Series - 01 set (j) On load Change over switch,4P, 250 Amp,415V - 01 No.

M & L for Earthing complete with galvanized steel earth plate electrode 60 cm x 60cm x 6.0mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of the earth plate not less less than 1.5 mtr below normal ground level and connected to earth plate 32mm x 6mm thick GI strip by means of bolts, nuts etc surrounded by 15 cm thick packed layers of charcoal dust and common salt and protected by galvanized iron pipe medium grade 40mm bore and water pipe 20mm bore GI medium grade with funel and connecting to test point including construction of earthpit in cement concrete 1:3:6 type C-2 and RCC cover provn of test point and all as shown in electric plate No 3 of MES Sch Part I of 2009. Including dismantling/taking out old earthing with all accessories complete all as specified. NOTE:- RCC pit cover shall be pre-cast of RCC (1:2:4) type, B-1 80mm thick reinforced with XPM weighting not less than 4 Kgs/Sqm in lieu of CI cover.

S & F in replacement of the following items in LT panel including taking down old unserviceable :-

a) MCCB 400 Amps Adjustable type, 4 pole,breaking capacity 36 KA at 415 volts , 50 Hz. Make : Schnieder/Legrand/L&T

b) MCCB 250 Amps Adjustable Type, 4 pole, breaking capacity 36 KA at 415 volts , 50 Hz Make : Schnieder/Legrand/L&T

c) MCCB 100 Amps Adjustable Type, 3 pole, breaking capacity 25KA at 415 volts , 50 Hz Make :Schnieder/Legrand/L&T

d) MCCB 200 Amps Adjustable Type, 4 pole, breaking capacity 36 KA at 415 volts , 50 Hz Make :Schnieder/Legrand/L&T

e) MCCB 160 Amps Adjustable type, 3 pole, breaking capacity 25KA at 415 volts , 50 HZ as Make : Schnieder/Legrand/L&T

f) MCB TPN ,415 Volts ,32 Amps, 'c' series, 10KA.

g) MCB TPN ,415 Volts ,63 Amps, 'c' Series, 10KA.

h) MCB SPN, 240 Volts, 5 to 32, Amps 'c' series,10KA.

S&F in replacement of PVC insulated sheathed Aluminium 6 Sqmm twin core cable, 1100 volts grade from junction box to street light fittings including connections complete.

S&F in replacement of PVC insulated sheathed, Aluminium 4 Sqmm twin core cable, 1100 volts grade from junction box to street light fittings including connections complete.

S&F in replacement of PVC insulated sheathed Aluminium 10Sqmm twin core cable, 1100 volts grade from junction box to street light fittings including connections complete.

M&L for cutting and trimming tree branches along LT over head lines, arranging electrical shutdown , including taking all precautions while working on lines as per IEE rules.Note:-The distance between two poles consider min 30 meter shall be measured as Each span.

S&F in replacement new Aluminium tube lugs after cutting the damaged portion of the cables checking the electrical connections for any loose contacts after crimping of lugs all as diected by Engnr-in-Charge for following size of cables :- Note : Cost of lugs, insulation tape and connected T&P shall be included in quoted unit rate.

4 Sqmm to 16 Sqmm

25 Sqmm to 50 Sqmm

70 Sqmm to 95 Sqmm

120 Sqmm to 150 Sqmm

185 Sqmm to 240 Sqmm

M&L for Surface excavation n. exc 30 cm deep and averaging 15 cm deep and getting out in soft/ loose soil complete all as specified and as directed by Engineer in Charge.

M&L for PCC (1:4:8), type D2 (using 40 mm graded stone aggregate) in foundation, filling and mass concrete complete all as specified and directed by Engineer in Charge..

M& L for 75 mm thick PCC (1:2:4), type B1 (using 20 mm graded stone aggregate) in floor and finishing cement concrete surfaces even and smooth without using extra cement complete all as specified and directed by Engineer in Charge.

Removal of surplus excavated material to a distance n.exc. 50 Mtr and depositing where directed at a level n.exc. 1.5 Mtr above starting point complete all as specified & directed

Detection of fault in HT Cable 185 Sqmm & 240 Sqmm 3 core by using of fault locating machine for finding the fault of defective 11 KV HT cable at different locations complete all as specified and directed.

Material and labour for making 'Tercel' High conductive, Non corrosive,Maintenance Free and Repairable 'Chemrod' Electro-Chemical - Gel earht pit using earth enhancing compound ISOGEL of 30 kg kit, CPRI tested ISOROD of 3 inch dia, 8 ft long and 0.12 inch thick made of K type electrolyticcopper with top removal gel filling cap, seepage holes, Stainless steel fasteners, HDP Lockable earth pit cover cum inspection chamber and all required accessories including design modifications, to achieve the required earth termination rod resistance value below 1 ohms or as per the OEM/ Internation standard recommendation. Make:- Tercel/Indelec/Ereko

S&F in repair down conductor of 70 Sqmm PVC Insulated copper flexible wire single core including both end termination,cable clamps etc. complete all as specified and directed.

M&L for test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos.8mm dia 25mm long hex. Head screw.

M&L for disconnecting all incoming and outgoing cables from LT Panels and refreshing all connections by replacement of carbonised lugs including taking out sand from the trenches and refilling fresh sand for cushioning of the cables and reconnecting the cables to the busbars with new GI Nut bolts after wrapping the busbars with PVC tape as per standard colour code checking all thimbles,working of contactors MCCBs ,indicators ,wiring kit all as directed and reassembling and testing for smooth functioning of Relays timers ,and electronic parts complete.NOTE: (i) Cost of lugs,glands,PVC tape and GI nut bolts deemed to be included in the quoted unit rates.

M&L for Attending and rectifying any type of external electrical complaints by one electrician and one helper round the clock, disconnection of jumpers, blowing off fuse, breaking of conductor or any other type of fault (HT and LT) in North camp, Tech area , south camp , Happy Home ,71 RMU ,820 SU, PJ Enclave, Begum Bazar , 14 P&SU and other area as directed by engr-in-Charge. Note :-1. The contractor will be responsible for safety, security and upkeep of installation and manpower deployed as per MES standard of installation. 2. All Tools and plants like Plier, Screw driver, tester, test lamps, Multi meter, Bamboo Ladder etc for rectifying the fault occuring in 11 KV/430V/230 V VCBs, 11 KV GODs/DO fuses at Two/four Pole structure and LT Connection from Pole to main DB will be provided by the contractor. 3. All type of minor Part ie rewirable fuse / DO fuse etc shall deemed to be included in quoted rate.4. Each job contains five complaints with one electrician and one helper.

Note :- Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items. The same shall be recovered from various payment to contractor before handing over old materials.

M/s M A Traders

Titco Electricals

M/s Techno India and Company

M/S A M ENTERPRISES