REPAIR MAINT OF EXTERNAL ELECTRIC SUPPLY INSTALLATIONS AND OTHER MISC E M WORKS

Amount

SCHEDULE A BOQ

Repairing, overhauling, Servicing & testing of Air circuit breaker, 440V,630 Amps to 1250 Amps, 50 KA, 3 Phase, 50 Hz, AC Supply system,for trouble free operation,and draw out type Air Ciruit breaker including the following works complete all as specified and directed:- Makes of ACB :- L & T ,Schneider, ABB and C&S. Location - MAFI PS 1, PS 2, Booster Sub Stn, Sub Stn 'B' & 'D', New Kalpa Sub Stn, LCA Hangers, Compart Sub Stn - 03 No

Note : (a) The rate for following shall be deemed to be included in quoted rate.

(b) The entire job shall be carried out through the authorised service engineers of the OEM only.

(c) Servicing of Spout insulators safety shutter for effective covering by automatically open/close while draw in/draw out operations.

(d) Servicing of Breaker with motor charging asembly including motor and control switches having standard safety interlocks and locking facilities, mechanical operating connector lever and extendable rails to easily draw out/in the ACB trolly from the panels.

(e) Servicing of Mech and elect inter locking system.

(f) Checking and tightening control wiring and rectifying the defects if any.

(g) Servicing of Mech (caster lock) and elect inter locking system.

(h) Checking and tightening control wiring and rectifying the defects if any.

(j) Replacement of PT Fuse

(k) Replacement of unserviceable spare parts will be measured and paid for separately.

(l) Any other spare parts which have not covered in the relevant items but are required to make in functional condition are deemed to be included in the quotrd unit rate.

(m) Cost of labour element towards removing of unserviceable spare parts and re-fixing of serviceable spare parts for supply only items here-in-after shall be deemed to be included in quoted rate. Supply only spare parts shall be measured and paid separately.

Supply only in replacement against Item No. 02 above of spring charging assembly including motor 230 V AC operated all as directed.

Supply only in replacement against Item No. 02 above, Electrical closing coil 230 volt AC operated all as directed.

Supply only in replacement against Item No. 02 above, Electrical shunt trip coil 230 volt AC operated all as directed.

Material and caliberation of existing 4 pole Micro processor based digital programmer Protection relay unit having over current handling capacity up to 10 Amps for 10 milli sec and Earth fault arrest less than 04 mili sec to arrest the fault individual breaker at site.

Excavation in trenches exe 1.5m depth and n exc 1.5 mtr in wide in hard/dense soil and getting out

Riddling Sand obtained from excavation for cable protection 8cm under the cable and 15cm above the cable in trench and get the thick layer of 18cm after ramming. Note :- In case sufficient sand not obtained from excavation, the required additional qty obtain from out side land as directed by the Engineer-in-Charge. The rate is deemed to be included.

Fly ash cable protection cover of size 23x11.5 x7.5cm including taking down existing bricks of any size.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in hard and dense soil.

Removing of excavated material exc 1.5 KM but n exc 5 KM and depositing where directed at a level n exc 1.5m above the starting point.

XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 300 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/CCI/Havells

100 mm bore of pipe high density polyethylene pipes (HDPE) of pressure rating 6 kgf/ cm2 laid in trenches for cable protection passing under road/ floor or for fixing to poles including taking down existing pipe complete all as specified and directed

Boring of hole under road/ hard standing by trenchless technology including S&F HDPE pipe "heavy duty" of size 100mm bore fixed in repairs complete all as specified and directed

XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 240 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/CCI/Havells

Cable jointing kit for 1.1 KV grade cable for outdoor stright through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armored aluminium conductor cable of size 240 sqmm to 300 sqmm. Make : Reychems, Densons, M-Seal

Road crossing / under floor / on polel etc GI pipe 100 mm bore medium grade for cable protection including taking down existing pipe complete all as specified and as dierced by Engr-in-Charge. Make : Tata, Jindal, Surya Prakash

Replacement LT, Air circuit breaker, operational voltage 660 volts, insulation voltage 1000 volts, AC, 50 cycles, 3 phase, 4 pole, Manual draw out type, rated current rating 800 amps and of breaking capacity 50 KA with quick make, quick break, with manual operating mechanism complete with triple mound current transformer, Microprocessor based over current stop less release and static trip release, adjustable short circuit release, earth fault release with shunt trip with indication under voltage release and wired for indicating “Trip Healthy circuit” ancillary switch etc complete over load release rating 400 to 800 Amps - 1 No including taking down existing one complete all as specified and as directed. Make : L&T/ Schneider/ Siemens

XLPE insulated ,screened, PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 185 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/CCI/Havells

80 mm bore of pipe high density polyethylene pipes (HDPE) of pressure rating 6 kgf/ cm2 laid in trenches for cable protection passing under road/ floor or for fixing to poles complete all as specified and directed

Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms either from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. Panel should be fitted with 01 No polycarbonate IP 65, 9W LED translucent bulk head luminaire, 6500K, PF > 0.95 under canopy for easy maintenance. Panel should be fitted outside with 01 No of 16A 3P IP 65 industrial socket and 01 No of 32A 5P IP 65 industrial socket. 3 phase and neutral 600 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :-

Supply, installation, testing & commissioning of maintenance free chemical earthing system comprising 17mm dia copper bonded rod 3 mtr long horizontally pre welded T-terminal rod with provision for connection size of 50 x 150mm long, 6mm thickness with equal space either side, with 12mm dia hole of 02 numbers each on either side of the terminal clamp with 250 microns (average) coating thickness, tested and certified by CPRI India alongwith 50 kg earth energizer compound and 10 litres earth resistance reducing liquid. The earthing energizer compound and resistance reducing earthing liquid shall be tested as per IEC-62561-7 read with ASTM G57-06, CI 3.4 A by any NABL accredited lab. The above mentioned rod shall be installed in 8-10 inch bore, 12 feet depth with a distance of minimum 3 meters between each installation. Make : Model HTSP 3I7 of safeTrode or equivalent in OBO Betterman/ ENNOV/ERICO.

The quoted rate shall also deemed to be included the following :- (i) Prior to installation of maintenance free chemical earthing, soil resistivity test to be carried out at the location where earthing work to be done in presence of Engr-in- Charge/JE (E/M),user and the report has to submit to Garrison Engineer with recommendation of manufacturer, if required additional interconnection of earthing (not more than 04 number of earthing) to achive earth result less then 1 Ohms. The arrangement done for soil resistivity testing and submission of report with recommendation deemed to be included in the quoted rate.

(ii) Rate of earth energizer compound of 25 Kg of 02 bags and earth resistance reducing liquid 10 litre in 02 canes (5 ltrs per cane) for each pit deemed to be included in the quoted rate.

(iii) Copper strip of size 20 x 3 mm should be fixed on proper post insulator at the instrument end ( The rate of earthing strip up to 7.5 Mtrs is included in the quoted rate).

(iv) The electrode shall carry manufacturer's name .

(v) The connection clamp shall be permanentlly welded to the copper bounded rod to avoid any kind of connectivity loss,.The pre-welded copper bounded rod shall not need any additional clamp for termination.

(vi) Testing of earth shall be carried out along with the departmental and user representative and report shall be submitted to Garrison Engineer for his entire satisfaction.

(vii) The contractor shall submit CPRI India certified document for copper bonded rod to ensure genuity of material.

(viii) Earth resistance tester will be provided by the contractor. Tester should be calibrated from authorised company/ lab.

(ix) Sign board of mild steel 2 mm thick duly painted with two coats of synthetic enamel paint over a coat of red oxide Zinc chrome primer showing result of earthing should be fixed near the earth pit after completion as directed by engr -in- charge.

(x) Earth work such as auguring and making good the surrounding area shall carried out in any type of soil.

(xi) The contractor shall given a written guarantee of minimum three years for maintaining the earth resistance less than 1 Ohm after certified date of completion.

(xii) A security deposit of value equal to 2.5 % of the rate quoted for chemical earthing per each earthing shall be retained from payment due to the contractor for the guarantee period.

(xiii) Earthing shall be tested after completion of work by the contractor in presence of Engr-in-charge, user and proper record shall be maintened duly signed by all concerned. After testing if the desired earth resistance of less than 1 Ohm is not obtained, the earthing will be redone at no extra cost to Govt. till desired result is obtained.

(xiv) Resistivity of earth energizer compound and resistance reducing earthing liquid shall be certified by any NABL accredited lab carried out as per IEC-62561-7 read with ASTMG57-06, CI-3.4A and the certificate of same shall be submitted by the contractor before commencement of work.

Copper strip of size 20 x 3 mm should be fixed on proper post insulator at the instrument end

Replacement LT, Air circuit breaker, operational voltage 660 volts, insulation voltage 1000 volts, AC, 50 cycles, 3 phase, 4 pole, Manual draw out type, rated current rating 630 amps and of breaking capacity 50 KA with quick make, quick break, with manual operating mechanism complete with triple mound current transformer, Microprocessor based over current stop less release and static trip release, adjustable short circuit release, earth fault release with shunt trip with indication under voltage release and wired for indicating “Trip Healthy circuit” ancillary switch etc complete over load release rating 400 to 800 Amps - 1 No including taking down existing one complete all as specified and as directed. Make : L&T/ Schneider/ Siemens

XLPE insulated,screened ,PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium condutor 1100Volts grade cross sectional area 150 Sqmm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, taking down existing cable etc all as specified and directed. Note : Excavation and earth work shall be measured and paid seperately. Make : KEI/ Havells/ CCI

Supply and lay in road crossing / under floor / on pole etc GI pipe 80 mm bore medium grade for cable protection including taking down existing pipe complete all as specified and as dierced by Engr-in-Charge. Make : Tata, Jindal, Surya Prakash

Cable jointing kit for 1.1 KV grade cable for outdoor stright through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armored aluminium conductor cable of size 150 sqmm to 185 sqmm. Make : Reychems, Densons, M-Seal

Supply, installation, commissioning and testing of Factory assembled, Floor mounted, free standing, type tested LT Feeder Pillar Panels, with canopy, as per electrical specifications for outdoor installation, to be made of IP65 Polycarbonate modular enclosures. The Enclosures made of Polycarbonate, should be weather/ vermin proof, anti-acid, anti-corrosive, UV resistance in accordance with IEC 61439-1, Fire retardant and Self-extinguishing in accordance with IEC 60695-2-11, UL subject 94 for flammability V-0, should pass glow wire test for 960° in accordance with 60695-2-11. Degree of protection against mechanical load should be IK 08 (5 Joule) in accordance with IEC 62262, IP 65 in accordance with IEC 60529 & IEC60439-1, should have Dielectric Properties, RoHS compliant & Halogen free. The manufacturer of boards/panel shall submit a copy of type test reports as per above-mentioned norms from UL/ERDA/CPRI/NABL labs in India. The panels should be modular and compartmentalized in construction with opaque and transparent doors, properly tightened to base with thermoplastic screws having sealing gaskets of extruded silicon rubber to withstand adverse weather effects. The depth of modular enclosures should be above 200mm for air circulation & to minimize temp rise. 3 phase and neutral 600 amps current carrying capacity copper bus bar insulated with colour coded heat shinkable sleeves with SMC/DMC insulators, complete with the following switch gears and mounting the panel board on ground with PCC (1:3:6) bedding upto a height of 60 cm above ground level, including dismantling and taking out old u/s LT Panel Board and remove from site reconnecting existing LT Cables with new panel board complete all as directed :- (a) MCCB, with Thermal magnetic release, 4 Pole, 250 Amps, 36 KA , 415 Volt, 50 Hz - 1 No (incoming) Make of switch gear : L&T, ABB, Schnieder Make of LT Panel/ FPB shall be as per make mentioned in list of makes.

MCCB, 4 Pole, 400 Amps, thermal magnetic release adjustable type, 415 Volt, 36 KA including connecting up to using suitable size of copper lugs including taking down existing one complete all as specified and as directed. Make : L&T, Legrand, Siemens

Earth pit cover made of heavy duty poly plastic of high grade polypropylene tested and certified by any NABL accredited lab for load bearing capacity not less than 9.2 tonnes with top dia not less than 250mm, bottom dia not less than 330 mm and height not less than 260 mm dia for each electrode pit complete all as specified and directed. Make : Model SEPC 250 of SAFE TRODE or equivalent in OBO Betterman/ ENNOV/ERICO. Note :- The contractor shall submit load bearing capacity certificate from the manufacturer.

Earthing with Galvanised Earth Plate Electrode 600x600x 6mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected with Galvanised Earth Strip of size 25x6mm by means of Bolts, Nuts, Check Nuts and Washers of GI or Steel and connected Earthing Testing Point/Bus-bar including GI 40mm bore (dia) light grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt, Magneisum Sulphate (1 : 1 : 0.5) in alternate layers of not exc 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) and Pre-cast RCC Cover Slab of size 350x350x50 mm in Cement Concrete 1:2:4 (20mm graded stone aggregate), reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in Soft/Loose Soil, Returning, Filling in and Removal of surplus Spoil upto a distance of 50.00 Metre and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion including taking down old unserviceable one, complete all as per specified and as directed.

(a) All Joints should be joined by Exothermic Welding or Brazing. (b) After completion of work earthing shall be tsested by the contractor in presence of Engineer-in-Charge, User and proper record shall be maintained duly signed by all concerned. (c) Earth resistance tester shall be provided by the contractor. It should be caliberated from authorised company/ lab. (d) After testing if desired earth resistance of less than 5 Ohm is not obtained, the earthing will be redone at no extra cost to Govt till desired result is obtained.

MCCB, 4 Pole, 250 Amps, thermal magnetic release adjustable type, 415 Volt, 36 KA including connecting up using suitable size of copper lugs including taking down existing one complete all as specified and as directed. Make : L&T, Legrand, Siemens

Dismentaling of Old Protection u/s relay & S/I/T/C Of Automatic cyclic duration factor monitor to defined as the ratio between the period of loading, including starting and electric braking, and the duration of the duty cycle, expressed in .& Micro programmer protection device 3 phase (88 -264 ) Volts unit ( 45 Hz-- 55 Hz ) monitors displays a digital signal`s duty cycle and provides accuracy as high as ±1%. with common-cathode display ,Phase-locked loop and counters . Adj Cut off ,Operating voltage ,Under Speed. Over Speed ,Under duty cycle, Over duty cycle programable with Mains supplies microprogramer to ensure correct operating speed. when the main A.C. supply falls outside the acceptable working duty cycle , these programer compatiable a change over to an alternate or standby supply, Adjustable setpoint, LED trip indication 2 pole relay contacts, Adjustable differential Internal time delay (factory settable) ,Features Energize/De-energize function swapping Auto Reset . (Make:- PARTNER CAT NO PIAFCDR or equivalent in L&T/ ABB )

Attending, Repairing/restoring of electric power supply in the AF stn Sulur area, after identifying fault in HT 11 KV or LT 415 volt system, RMU,VCB, LT Panels, two/ four pole structure, transformers, Over head lines in any section or circuit, including checking of insulators, lightning arresters, GODs, LT Panel Boards and all electrical accessories and making it serviceable in all respect including replacement of nut, bolt, washers and minor parts/spares, insulation tapes and cable sockets of any size.

Note : (i) The above work also include checking, detection and rectifcation of LT/HT UG Cable faults at AF Area as and when directed by Engineer-in-Charge/ JE (E/M).

(ii) Hiring of cable fault detector to detect exact location of LT/HT UG cable fault deemed to be inclusive of quoted rate.

(iii) Major items required to be replaced/repaired will be measured under relevant items of schedule.

(iv) Excavation and earth work if required will be measured separately.

(v) Complaints will be given in person or through telephone by AGE/JE E/M round the clock (ie 24 Hrs x7 Days).

(vi) In case of minor defect, entire job shall be completed within 06 hrs from the time of registration of complaint, failing which penalty charges @ Rs. 300/- per hours shall be recovered.

(vii) The transportation/ T&P required for the work shall be arranged by the contractor and no extra cost will be paid for the same.

(viii) In case of major defect, the period for attending of complaint shall be decided by the GE/EIC by accessing extent of repair required through joint inspection by Engineer-in-Charge and authorised service agent of the equipment at the site. If complaint is not rectified within the stipulated period and the GE is not satisfied with the reason for delay then penalty at the rate of Rs. 500/- per hours shall be deducted from the dues of the contractor.

(ix) Note that penalty is exclusively other then the condition 56 of IAFW-2249 and shall be treated as interim condition of the contract and shall be enforce above as and when delay in individual job is noticed and no claim whatsoever on this account shall be entertained by the Deptt. The decision of the Accepting Officer in this regard shall be final and binding.

(x) Contractors representative/Engineer will report to JE E/M in charge or AGE E/M at fore noon and after noon to collect routine/urgent works till completion of work.

Lucky Enterprises

devan enterprises

Neptune Engineers and Builders

SUPER COOL

KUMAR AGENCIES

rvelectricals

A.GOVINDARAJ

Sreekrupa Enterprises