COMPREHENSIVE MAINTENANCE AND REPAIRS/REPLACEMENT OF SPARES OF LIFTS INSTALLED AT OLD CGSD ROYAPURAM, DHQ-5 AND 308 FLATS AYAPAKKAM AND EOT/HOT CRANES AND ELECTRICALLY OPERATED HANGERS DOORS AT ICGAS AND BMU CHENNAI UNDER GE (I) CG CHENNAI.

Amount

Comprehensive maintenance and repairs including renewal/ replacement of defective parts including Over load warning device (OLWD) and Automatic rescue device (ARD) at Bldg No - 52, 53, 54, 55, 56 & 57 where available of electrically operated Passenger lift make of M/s KONE Elevators with a capacity of 8 PASSENGERS 544 Kgs for 5 Stops / 5 landings 1.0 per single speed single push button control system with micro processor control system (308 MIG Flats, Ayapakkam) (12 lifts) ground floor and four upper floors. Serial No: Building No - 52 (A) : 44027908 & 52 (B) : 44027909 = 02 Nos Building No - 53 (A) : 44027910 & 53 (B) : 44027911 = 02 Nos Building No - 54 (A) : 44027912 & 54 (B) : 44027913 = 02 Nos Building No - 55 (A) : 44027971 & 55 (B) : 44027972 = 02 Nos Building No - 56 (A) : 44027973 & 56 (B) : 44027974 = 02 Nos Building No - 57 (A) : 44027975 & 57 (B) : 44027976 = 02 Nos

NOTE: FORTNIGHTLY MAINTENANCE/CHECKS (a) Check the alignment and operation of the Door operating mechanism at all landings (b) Check the action of the brake with lift in Operation (c) Check shoes, pulleys and lubricate (d) Check oil level and oil leakage in the gear

MONTHLY MAINTENANCE/CHECKS (a) Check the position of the operating cum in relation to the landing door and door locks (b) Clean lubricate pivot point and wherever requires (c) Lubricate the brake pin (d) Check suspension of ropes and anchorage and lubricate (e) Check over speed of governor and lubricate the required part (f) Make full ascent and decent to assess the quality of theride at all points

QUARTERLY MAINTENANCE/CHECKS (a) CAR (i) Clean light fixtures (ii) Check retiring cam device chain, dash pots, commutator brush cams, divots, fastenings. (iii) Check emergency switch/battery & Alarm bell (iv) Check safety points, set, screws, switches (b) Check trailing cables for evidence of chaffing orother constructions in the lift well check anchorages. (c) Inspect at every landing, landing doors, tracks,guidesand locks, fasteners and clean and lubricate them.4. Check function box for loose connections and also check mainline switch fuses for heating.

(d) Check car and counter weight guides and shoes. (e) Check whether guide rail surface is smooth and clean. Also check the guide shoes for excessive wear & tear (f) Check and lubricate all bearings & gear box (g) Motor, Generators, Evictor : Clean all commentators and renew or reset brushes if necessary. (h) Ropes : Check all fastening inspect all rope for wear and lubricants (j) Leveling : Check leveling operation and switches

(g) Run the machine in both direction and check sign of excessive play or back lash in gear. Check the overheatingor excessive bearing noise (h) Check oil level and oil leakage in the gear (j) In DC motors and MG sets check commutation for fitting or wear and for signs of undue sparking or brush chatter keeps them clean (k) Check brushes and ensure that spring for adjusting Brush pressure is adjusted to give enough pressure on the brushes. (l) Check the conditions of linings and couplings (m) Check the tightness of the coupling keys

ANNUAL MAINTENANCE/CHECKS (a) MACHINE ROOM (i) Examine all main switches for positive make and break of contacts. Check for loose connections (ii) Clean machine room and ensure proper earthing of motors, controllers, bed plates.

(b) CONTROL BOARD (i) Keeps the controller clean and free from dust (ii) Lubricate all moving parts and check for loose connection if any (iii) Check gap between armature and housing plate (iv) Check and clean all contact (v) Check transformer connections are tight or not (vi) Check resistors, capacitors and rectifiers. (vii) Check fuse ratings etc (c) MACHINE UNIT (i) Check for any abnormality such as vibrations noisetemperature, alignment and check all grease cups and refill if required (ii) Check all bed plate and ensure that all bolts are tight and of the diverting pulley plates and rigid. (iii) Check motor/MG set/DC motor & Techno generatorfor oil levels up to the given marking in case of oil leakage change the oil seal and check the axial play rigidly and belt tension. (iv) GEAR UNIT : Overheating and leaking to be checked for gear box and must be filled with oil (ENKLO-320) (v) BREAK DRUM & COUPLINGS : Check that bolt, nuts, rubberbushes are in appropriate position(if the rubber bushesare found replace them) (vi) Check the running sound, if any unusual running sound develops rectify

Note for item No 1.00 & 2.00 : (i) The spares/electrical items as listed in Sch 'A' Part II will be used whenever required only and measured and paid separately under respective items. (ii) The rate is inclusive of all items as required at site except those items as given in Sch 'A' Part II to keep the lift operational round the clock including cleaning and greasing all moving parts on monthly basis complete all as specified and as directed by Engineer-in-Charge. (iii) If spare parts of original make is not available in market necessary suitable spare equivalent to existing lift part as approved by Engr-in-charge shall be used in the work so that to run the lift with smooth functioning. (iv) Cost of renewal of lift license from lift inspector from state Govt is demed to be included in the qruoted rate against Sl No 1 to 2.

(v) Quoted rate includes the testing of all the lifts by licensed Lift Inspector of Tamil Nadu twice in contract period for safety if required / asked by GE. Certificate issued by the licensed lift inspector shall be submitted to Engineer-in-charge. (vi) In case of any of the lift/lifts is/are not working for more than 24 hours but less than 10 days, Recovery will be affected at the rate of Rs.2,000/- per lift per day and Rs.3,000/- per lift per day after 10 days. (vii) The above lifts shall be repaired through OEM (Original Equipment manufacturer) or through their nearest authorised/ accredited agency service personel only. The bidder shall submit and uploading MoU from the OEM of lift or their authorised/ accredited agency at time of uploading of tender. (viii) Contractor should submit all valid docucments before the opneing of tehcnicial bid. (ix) The unit rate quoted includes the cost of renewal of licence of each lift. (x) Testing cerfificte of each lift duly tested by Electrical Lift Inspector shall be provided by the contractor.

SCHEDULE 'A' - PART II ( SPARE PARTS for Lifts) for Item No: 1.00 and 2.00

Supply and fix lift LED Spot light fittings 3 Watts capacity Make - Wipro/ Philips /Surya

Supply and fix Battery 7.5 AH 12V SMF (Sealed Maintenance Free), VRLA / AGM Battery EP7.5-12 Lead Acid storage Type @ C20 Ratiing for Lift, Elevators all as specified and as directed. Make - Exide / Amaron/ Luminous for Lift ARD system.

Supply and fix lift fan noise free, 12"(300mm), 230V, 900 RPM. Make - Khaitan / Bajaj / Havells

Supply only Emergency alarm 230V AC/12V DC.

Taking down main motor 5 /7.5 HP, 440V, 50HZ, 32A, 1.50m/sec to 0.65 m /per sec speed 3 phase and material and labour for rewinding the same using suitable gauge of copper winding wire and all insulation item including varnishing drying and refixing of the same at site testing and including replacement, if necessary for nuts and bolts for foundation etc., complete all as directed.

Taking down main motor 17.5 / 20 HP, 440V, 50HZ, 32A, 1.50m/sec to 0.65 m per sec speed 3 phase and material and labour for rewinding the same using suitable gauge of copper winding wire and all insulation item including varnishing drying and refixing of the same at site testing and including replacement , if necessary for nuts and bolts for foundation etc complete all as specified and as directed.

Supply only controller transformer –(0-440)V/(0-230/110/24/12)V Make - Power tech or equivalent as approved by GE

Supply only ARD mother borad Make - Power tech or equivalent

Supply and fix in repair of unserviceable VVVF Drive for Automatic Rescue Devise of 8 Passenger lift Suitable for passenger Lift complete all as specified and as directed by Engineer-in-Charge. Make : TOSHIBA

Supply and fix in repair of unserviceable VVVF drive up to 15 KW for lift motor up to 11KW including feeding all parameters and interfacing with controller micro processor and drive including setting of basic parameters to obtain the desired and designed value of various motions of the lift complete Suitable for passenger Lift complete all as specified and directed by Engineer-in-Charge. (i) Input Voltage : 380 to 440 volts (ii) Phase : 3 Phase (iii)Motor power in KW : 11KW (iv) Capacity in KVA : 19 KVA (v) Rated output current : 10 Amps. (vi) Output voltage : 380 to 440Volts (vii) Overload current rating : 2 minutes at 150% - 0.5 Sec at 215% (viii) Voltage frequency : 50/60 Hz (ix) Protective method : IP 20 enclosed type (x) Cooling method : Forced Air cooled (xi) Allowable function range : (+)10%, (-) 15% (xii) Frequency : (+) or (-) 5% (xiii) Built in filter : high attenuation EMI filter Make : Toshiba

Supply and fix in repair of unserviceable Full length Infrared sensor 64 beams for car door including transmitter, receiver and control unit working on 230VAC Suitable for passenger Lift complete all as specified and directed by Engr-in-Charge. Make : Kone

EOT/HOT CRANE & HANGER DOOR AT ICGAS MEENABAKKAM AND BMU CHENNAI

Material and Labour for replacement of unserviceable/old gear oil of 90 grade. Make :- CASTROL/SHELL/HP

Material and Labour for Steel wire rope multi stranded 6/19 centre fibre core 6 mm dia. Make:- USHA MARTIN or equivalent

Material and Labour for Steel wire rope multi stranded 6/19 centre fibre core 12 mm dia. Make:- USHA MARTIN or equivalent

Material and Labour for taking out existing unserviceable any size wire and replacement with 4 core copper flexible wire of size 2.5 sqmm including necessary connections complete all as directed Make:- HAVELLS/FINOLEX/RAVICAB/POLYCAB

Material and Labour for taking out existing unserviceable any size wire and replacement with 3 core copper flexible wire of size 1.5 sqmm including necessary connections complete all as directed Make:- HAVELLS/FINOLEX/RAVICAB/POLYCAB

Material and Labour for taking out existing unserviceable limit switch for Crane any size/type and replacement with Heavy Duty roller leaver type Limit Switch - Maintained Type NLLAM including necessary connections complete all as directed Make:- BCH/VAISHNO HOTLINE

Material and Labour for taking out existing unserviceable push button station any size/type and replacement with New Push button Pendent Station Thermoplastic made, IP-65 consisting of Total buttons (12 + 2) - Double speed 12 push buttons with mechanical interlock + 1 Emergency Stop + 1 Start/Alarm TYPE:SH/14D including necessary connections complete all as directed Make : Model No Speed - O- Controls Safe -Lift(12+2)or equivalent

Material and Labour for taking out existing unserviceable contactor any size/type and replacement with Duros Freedom Series 3 Pole AC Control contactor Upto 16 Amps capacity/10 HP/7.5 KW with Aux contact 1NO+1NC including necessary connections complete all as directed Make:- BCH Cat No: CE15DN3-B10N, B01N

Material and Labour for taking out existing unserviceable contactor any size/type and replacement with Duros Freedom Series 3 Pole AC Control contactor 25 Amps capacity/15 HP/11 KW with Aux contact 1NO+1NC including necessary connections complete all as directed Make:- BCH Cat No: CE15EN3-B10N, B01N

Material and Labour for taking out existing unserviceable contactor any size/type and replacement with Duros Freedom Series 3 Pole AC Control contactor 32 Amps capacity/20 HP/15 KW with Aux contact 1NO+1NC including necessary connections complete all as directed Make:- BCH Cat No: CE15FN3-B10N, B01N

Material and Labour for taking out existing unserviceable break with drum any type/size and replacement with AC Solenoid Brake - Type S4 including break with drum dia 101.6 mm including necessary fixing complete all as directed Make:- BCH Cat No : S-42 or Pathe

Material and Labour for taking out existing unserviceable break with drum any type/size and replacement AC Solenoid Brake - Type S5 including break with drum dia 139.7 mm including necessary fixing complete all as directed. Make:- BCH Cat No : S-51 or Pathe

Material and Labour for taking out existing unserviceable break with drum any type/size and replacement AC Solenoid Brake - Type S7 including break with drum dia 177.8 mm including necessary fixing complete all as directed. Make:- BCH Cat No : S-71 or Pathe

Material and labour for reprogramming/ resetting of existing AC Drive / variable frequency drive (VFD) / frequency convertor device 3 phase supply system complete and testing on load and making disturbed wiring connection as properly system for smooth controlling panel of Lift and OHT crane and including replacement of defected/ burn out control wiring connection for main controlling panel of crane as per existing system and including replacement of burnt out FRLS PVC insulated electric wire with copper conductor wiring having of suitable core and size, 1100 volt grade complete all as satisfaction and specified and directed by Engr-in-charge

Material and labour for Painting for EOT double girder traveling over head crane system alongwith trolly, foot path, railing system and its connected item fixing accessories/equipments complete for crane system by applying two coats of golden yellow/tractor orange/gray colour or existing sample with existing making painting as per existing type colour code with providing painting of synthetic enamel 1st quality paint after scrapping of old rusted surface and cleaning of oil and grees, soil dust partical material by mannualy with sand paper suitable for capacity 2 ton to 5 ton crane (Span not more than upto 20 metres ) complete all as specified and directed by Engr -in-Charge.Make : Asian/Nerolac

Material and labour for Preparing of surface of ISMB/SIDE GIRDERS of crane in hangers/buildings of different sizes at different locations and maximum height upto 10 Mtr, cleaning the girders with waste cloth before painting complete with as per existing colour paint, complete all as specified and directed by Engr -in-Charge. Make : Asian/Nerolac

Material and labour for Painting for HOT single girder traveling over head crane system and its connected item fixing accessories/equipments complete for crane system by applying two coats of golden yellow/tractor orange/gray colour or existing sample with existing making painting as per existing type colour code with providing painting of synthetic enamel 1st quality paint after scrapping of old rusted surface and cleaning of oil and grees, soil dust particle material by mannualy with sand paper suitable for capacity 2 ton crane (Span not more than upto 20 metres) complete all as specified and directed by Engr -in-Charge.

Material and labour for taking down of unserviceable motor from OHT crane and including transporting and re-winding of electric motor of capacity upto 5HP, 3 phase 415 volts, with supper enameled copper conductor wire as per existing size/gauge including making varnishing drying and connecting fixing accessories etc including refixing on same position and testing on load complete all as specified and directed by Engineer-in-Charge.

Material and labour for conducting the load test to EOT/HOT cranes / Hoist of any make and model for the following capacities once in contract period by Tamilnadu State Govt compitent Authority in presence of users/work services representatives of concerned lab/concerned JE E&M/AGE E/M and submitted test certificate to GE through Engr - in charge. Note :- Load blocks for testing of cranes/hoist shall be provided by the contractor under his own arrangement including transportation to and from the site will be included in the quoted rate .

EOT CRANE 3 TON Capacity

HOT CRANE 5 TON Capacity

Labour only for locating the fault in EOT/HOT cranes, any capacity, make and type including rectification of minor defects such as tightening of nut & bolts, checking and rectifying loose connection of control panels, accessories and current collectors, replacing of fuse wire etc to keep the cranes functional complete all as specified and directed by Engr -in-Charge Note:- (i) Supply only spare parts excluding minor parts will be measured and paid for under relevant items. (ii) Contractor shall attend day to day basis complaint of crane regularly as and when called within two to six hours effected time & maintenance shall be carried out accordingly for smooth functioning of crane and cost of the same shall deemed to be included in the quoted rates. (iii) If the contractor is not able to repair/replace above Srl Item No 21 & 22 within 48hrs of any EOT/HOT crane break down penal recovery @Rs.1000/day shall be made from contractors dues on this account by the Engr-in-Charge. In addition the payment shall not be paid to contractor of that job against respective item of Sch A.

Servicing and Greasing Gear box of Hanger door including checking and cleaning of motor 2 HP all as specified and directed.

Supply and fix in repairs Motor starter 2 Hp capacity relay range 2.5-4 A Make: L&T

Supply and fix in repairs limit switch for Hanger door , start stop 2P spring return AC 230 Volt 16 A Heavy Duty roller leaver type Limit Switch - Maintained Type NLLA including necessary connections complete all as directed Make:- BCH/VAISHNO HOTLINE

Taking down Hanger door motor 3 phase 415 Volts, up to 03 KW, 1200 RPM and material and labour for rewinding the same using suitable gauge of copper winding wire and all insulation item including varnishing drying and refixing of AME at site testing and including replacement , if necessary for nuts and bolts for foundation etc complete all as directed.

om sai enterprises (BID ID -3266932)