COMPREHENSIVE REPAIR MAINT TO STANDBY DG SETS INCLUDING SERVICING CLEANING OF ENGINES ALTERNATORS AMF PANELS OF DG SETS INSTALLED AT VARIOUS SUB STN INSTALLATIONS AND OTHER MISC WKS

Amount

SCHEDULE A BOQ

Disconnecting, taking down of alternator assembly of 62.5 KVA DG set and removing the burnt startor coil from alternator and transporting the same to authorised workshop for rewinding with existing size of copper winding wire including sleeves, varnishing, drying etc and brought back to original site after completion of winding work and reassembling/ reconnecting the same incl testing, commissioning etc.

Periodical routine maintenance/ repair of following capacity DG Set of any make consisting of complete servicing and checking entire system as per manufacturer's catalogue including testing complete with minor consumables items like grease, nut bolts etc during conducting periodic servicing as per the manufacturer's recommendation at the time of routine monthly checks. Capacity 15 to 20 KVA DG Set - Location :-Transmitter Opera1/ AFWWA 5 BRD /SES /Armoury/watch tower -(02 Nos)/ perimeter - (02 Nos) - 08 No Maintenance Schedule of DG Sets :- The contractor shall carried out following activity during the period of contract :-

(a) Daily maintenance of DG Sets to be carried out :-

(i) Clean the external surface of the DG set.

(ii) Check engine oil level.

(iii) Check engine coolant level.

(iv) Check fuel in the tank.

(v) Check all nuts and bolts.

(vi) Check tension of fan belts.

(vii) Check batteries and battery connections.

(viii) Check fuel lines and fuel tank.

(b) Weekly maintenance of AMF Panels :-

(i) Checking all electrical connections.

(ii) Checking all contact points/ Bus bars.

(iii) Checking timers (AC/ DC).

(v) Check RPM, Voltage, Amps and Hz.

(vi) Checking indicator lamps.

(vii) Checking main auxiliary contacts and relays.

(viii) Checking contact coils.

(ix) Checking, volt/ amps/ energy/ PF/ KWH meters/ CT's.

(x) Checking auto/ manual functions.

(xi) Check and tight screws and bolts.

(xii) Check battery charger output voltage.

(xiii) Cleaning the panel.

(xiv) Checking all MCCB's and fuses.

(xv) Checking alarms and hooter.

(c) Monthly maintenance of DG Sets to be carried out :-

(i) Check oil bath cleaner oil level.

(ii) Check for proper tension in the belts.

(iii) Check starting battery electrolyte level and specifiec gravity.

(iv) Check the fuel lines from the tank for leakages.

(v) Check the end cover of the alternator and tighten the bolts.

(vi) Check physically the exhaust silencer for rigidness.

(vii) Check the water hoses for leakages if any.

(viii) Drain sediment from fuel filter & fuel tank.

(ix) Check dry type air filter element and clean.

(x) Check engine alternator coupling and mounting bolts.

(xi) Tight all bolts and nuts in alternator terminal box.

(xii) Check for any unusual sound during cranking of the engine.

(xiii) Check for any fuel/ water leakages.

(xiv) Check for any unusual vibrations.

(xv) Check proper charging of battery.

(xvi) Check exhaust system for any leakages.

(xvii) Check for proper circulation of coolant/ cooling of engine.

(xviii) Check physically the exhaust silencer for rigidness.

(xix) Check throttles linkage.

(xx) Checking to electric control panel throttle linkage.

(xxi) Supply and greasing to all bearing & movable parts.

(d) Half Yearly Schedule to be carried out :-

(i) Checking of hydraulic governor oil level and toping up level.

(ii) Clean the crank case breather.

(iii) Check battery charging system & topping up electrolyte and maintenance of specific gravity.

(iv) Checking electric connection & generator control panel.

(v) Greasing to all bearing and movable parts.

Note :- The quoted rate deemed to be inclusive of the followings :-

(a) The contractor shall visit the locations of DG Sets before quoting the tender.

(b) Servicing/ repair of DG Set shall be carried out by authorised dealer/ agency of manufacturer as approved by Engineer-in-Charge, where service/ repair shall be carried out at site shall be at the expert supervision of authorised service agent.

(c) During maintenance period of eleven months the contractor shall attend maintenance/ service of the machinery/ equipment repaired by him in free cost to the department. If he fails to do so, the Accepting Officer has all the right to recover the cost incurred to make the machinery/ equipment functional from the contractor, the way he deemed appropriate.

(d) The contractor shall employ minimum 03 No manpower required for routine maintenance of DG sets.

(e) Filling of DHPP (N) in all above mentioned DG Sets at various locations will be the responsibility of the contractor. However, DHPP (N) will be issued by MES.

(f) Representative of contractor shall maintain & update the maintenance/ breakdown register regularly and same shall be checked by Engineer-in-Charge periodically, if any lapse is found in same, Rs. 200 per day shall be charged as penalty.

(g) The monthly check shall be done once every month but whenever breakdown occurs in DG set, the contractor has to attend all complaint unlimitedly through authorised service agent of the equipment/ machinery.

(h) 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. 500/- per hours shall be recovered.

(j) 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. 600/- per hours shall be deducted from the dues of the contractor.

(k) Please note that above penalty is exclusively other than 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.

(l) The decision of the Accepting Officer in this regard shall be final and binding.

(m) DHPP (N) required at the time of maintenance/ testing will be issued by MES.

(n) The make of DG sets are Kirloskar/ Ashok Leyland/ Greaves Cotton/ Birla/ Cummins

(o) The unit rate is deemed to be included for Cleaning of the surrounding of DG set 5 mtr from plinth protection of E/M installations including removing of accumulated earth of any width and depth upto 15cm cleaning / Cutting the grass with hand operated petrol/ kerosene driven grass cutting machine and removing the grass waste to outside MD land.

(o) The contractor should be responsible to maintain the DG set in serviceable condition for entire contract period.

All as per Item No 3 of here in before for Capacity 30 KVA DG Set- Location:-Dornier Hanger / Avro Hanger/ 75 RMU -3 Nos

All as per Item No 3 of here in before for Capacity 40 KVA DG Set - Location:- Map pump house /Map STP /T-28 Hangar/NVG Lab/ Perimeter (02 No)/ Kalpa Vihar Pump House :- 07 Nos

All as per Item No 3 of here in before for Capacity 45 KVA DG Set - Location:- Sub way -01 Nos

All as per Item No 3 of here in before for Capacity 50 KVA DG set Location:-33 Sqn / AN 32 Hanger/ATC/HQ 109 HU:- 4 Nos

All as per Item No 3 of here in before for Capacity 62.5 KVA DG - Location:- 33 SQN New Hanger/T-02 Hanger/5BRD HQ/CRRW/ISC/ ACC Bldg/Old HQ 5BRD/ LCA Pump House-8 Nos

All as per Item No 3 of here in before for Capacity 75 KVA DG set Kirloskar cummins-01 Nos Location TRCL .

All as per Item No 3 of here in before for Capacity 82.5 KVA DG set, Location:-Booster pump house/BRD Tech HQ /T-65 Hanger/ Kalpa vihar PH/ATC-5 Nos

All as per Item No 3 of here in before for Capacity 100/106 KVA DG set location- Dornier Hanger/OPERA II -02 Nos

All as per Item No 3 of here in before for capacity 125 KVA DG set kirloskar Location:-Rotable Sec/Offr's Mess/Rubber Store /SRE Comples/SMC :- 5 Nos

All as per Item No 3 of here in before for capacity 160 KVA DG Set Kirloskar Opera-I/ Battery charging room-02 Nos

All as per Item No 3 of here in before for capacity 200 KVA DG Set Kirloskar Location- MAFI - 01 No

All as per Item No 3 of here in before for capacity 250 KVA DG Set Kirloskar Location:-T-45 hanger - 01 No

All as per Item No 3 of here in before for capacity 320 KVA DG Set Kirloskar Location:- ETB - 01 No

All as per Item No 3 of here in before for capacity 400 KVA DG Set Kirloskar Location:- New ATC -01 No

All as per Item No 3 of here in before for capacity 810 KVA DG Set Kirloskar Location:- LCA hanger - 03 Nos

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 :-

S&F replacement maintenance free lead acid sealed battery (SMF) 12 volts 100 AH complete all as specified and as directed. Make : EXIDE. model EL Plus/ Amaron/ Amar Raja (Powerzone) Note :- Old battery shall be deposited in MES store yard.

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/ FURSE/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) The description/ size/ qty of items mentioned in above are for indicating only however qty/ size may vary at site condition to maintain the earth resistance 1 ohm. The contractor shall quote rate by considering all factors.

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

(iv) 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.

(v) Earth enhancing material should not leach into the adjacent soil or underground water channels and its PH valve should be in neutral range complete all as specified and as directed. It should solidify when mixed with water and set like concrete.

(vi) 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).

(vii) Testing of earth shall be carried out in presence of departmental and user representative and report shall be submitted to Garrison Engineer duly signed by all concern.

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

(ix) 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.

(x) 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.

(xi) No further maintenance or periodic watering or recharge shall be required in earthing during its guarantee period of over 03 years in all type of soil including dry or rocky soil.

(xii) During the guarantee period, if earth resistance is not maintained less than 1 ohm the contractor has to redo or rectify at no extra cost to Govt till desired result is mainained.

(xiii) 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.

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

(xv) 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.

(xvi) The acceptable earth resistance at earth busbar/ test point shall not be more than 0.1 ohm.

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

(xviii) 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.

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

Copper strip 20 x 3mm thick as earthing lead fixed to wall/roofs etc including taking down existing one all as directed. NOTE : All Joints should be joined by Exothermic Welding or Brazing.

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/ Electrogrip Model/ EGTEK3LC of ISG Global or equivalent in OBO Betterman/ ERICO. Note :- The contractor shall submit load bearing capacity certificate from the manufacturer.

On Load Change Over Switches, 400 Amps 4 Pole 415 Volt AC 50 Hz with outdoor type weather/vermin proof, made in Electrical Grade IP65 Polycarbonate Enclosure, should be dust, water & all weather proof, as per IEC 60529, Flame Retardant UL94V0, GWIT 960 Deg C, UV Protected. It should be floor/wall mounted and mounting the box on ground with PCC (1:3:6) bedding upto a height of 45 cm above ground level or wall mounting by using suitable size of clamps, nuts, bolts and washers of following ratings including connecting up using suitable size of lugs and taking down old item all as directed. (Make : L&T, Hensel, Grasp)

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 :-

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 25 x 6mm 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, magnesium 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.

Note :- (a) All Joints should be joined by Exothermic Welding or Brazing.

(b) After completion of work earthing shall be tested 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 should be calibrated 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.

Galvanised Earth strip of size 25 x 6 mm fixed on proper post insulator at the instrument end including taking down existing one.

eurekaenterprises

NAVEEN ENTERPRISES

SARAVANARAJA CONSTRUCTIONS

KUMAR AGENCIES

A.GOVINDARAJ

pk janardhanan

T C KARUNANITHI

SAPTHAGIRI CONSTRUCTIONS

Sreekrupa Enterprises