8441 LOAD TESTING OF EOT/HOT CRANES OF VARIOUS CAPACITIES ALONG WITH REPAIRS/REPLACEMENT TO DEFECTIVE SPARES IN TECH AREA UNDER AGE(I) R n D NSTL, VISAKHAPATNAM.

Amount

Carrying out load testing of EOT crane of capacity 12.5 TON to prove the satisfactory operation of electrical controls motors gears boxes protective device system interlocks mechanical componeants like wire rope Wels scecctions of the crane in all Motions (LT CT Hoist in high full load and testing of crane in over load at 110% and deflection test all as per IS:3177 of 1977 through M/s Lloyds Register of shipping or any accredited agency as approved by AGE(I), duty certified including all consumables completed all as specified. (Note: (i) Necessary pre calibrated certified loads(50 Kg pieces for higher alttitude) with load cell digital/ analogue type and Hydraulic mobile crane at site required for carrying load test shall be arranged by contractor and the rate quoted shall be inclusive of the same. (ii) Contractor has to arrange necessary tarpaulin/plywood to unload weights on the floor and ensure that the electrostatic floor/floor surfaces is not scratched/damaged during testing)

All as per item No 1 herein before but for EOT crane of capacity 10 TON.

All as per item No 1 herein before but for EOT crane of capacity 5 TON.

All as per item No 1 herein before but for EOT crane of capacity 3 TON.

All as per item No 1 herein before but for EOT crane of capacity 2 TON.

All as per item No 1 herein before but for EOT crane of capacity 1 TON.

All as per item No 1 herein before but for HOT crane of capacity 2 TON.

All as per item No 1 herein before but for HOT crane of capacity 1.0 TON.

Removing of the detoriotated lube oils And Supply, filling of New Gear oil 50 grade as per IS: 8406-1993 complete form the speed contol / transfer gear meshbox /sumps/ boxes/ tank of LT/CT ,main Hoist/ Auxilary Hoist for electrically operated overhead traveling (EOT) / Hand operated overhead traveling (HOT) /Mono rail cranes all as specified and directed Make : Indian Oil / Servo / shell / HPCL Note:- Gear oil shall be replaced once in a year as directed by the Eng-in-Charge for hoist travel, cross Travel and long travel gear boxes

Supply, fixing, testing and commissioning of VVVF drive with required resistance, power and control cables, cable lugs for fixing of drive suitable for CT and LT work on Main Hoist Operation for 1 tonne to 10 tonne capacity EOT cranes complete by removing the old defective drive all as specified and directed. Make:Yaskawa/Thosiba/Simens/ABB/L&T

Supply only Stablized power supply electronic cards of suppy input 240/220V 50Hz and oup put of 24Volts DC suppy of current rating upto 6 Amps heavy duty continious rated capacity for controll supply to cranes complete all as specified and directed by the Eng-in-charge.

suppy only three pole Power contactors of rating AC1/AC3 of capacity 40A suitable for rubust and hostile applications with control voltage of 110V / 240V and 2NO+2NC suitable for the existing system complete all as specified and directed Make: Seimens/ IndoAsian / L&T / GE

Replacement of Brake shoe linears (6/8mm thick) made of treated fabric linning and secured with aluminium rivets complete suitable for EHT/EMDC brake of 150 to 300mm drum size including revetting to brake shoe all as directed.

Removing of unserviceable brake coil of thurustor brakes in LT/CT motion, Main/Auxilary Hoist including opening of the burnt winding by cutting down and rewinding with existing size of super enamelled copper conductor and applying insulating varnish, drying the coil only in original position up to size of 200mm and 8.5 KG complete of capacity 1 ton to 5 ton and testing as directed by the Eng-in-Charge

Supply and fixing of MCCB of 35KA 3 pole with thermal magetic relesase 50-63A capacity Ics=100% Icu conforming to IS/IEC 60947-2 & IEC 60947-2 complete all as specified and directed. Make:L&T cat no.SL98650OOOO

Supply and fixing of MCCB of 35KA 3 pole with thermal magetic relesase 80-100A capacity Ics=100% Icu conforming to IS/IEC 60947-2 & IEC 60947-2 complete all as specified and directed. Make:L&T cat no.SL98652OOOO

Supply and fixing of SS enclosure for provisiong of 3 pole MCCB complete along with fixing of MCCBS and connected cables complete all as specified and directed. Make: L & T Cat No.ST29967OOOO DU/DH SS Enclosure

Supply and fixing of hoist wire rope up to 5 ton capacity EOT / HOT crane sprial stranded type / as specified by the OEM load tested for upto 150% rated tonne capacity complete reomoving out the worn out unserviceable wire rope all as specified and direceted.

S&F control pendent (IP65) enclosure consisting of push buttons with required NO and NC contacts for Main Hoist/LT and CT motions in normal and creep modes complete along with all accessories and fixtures all as specified and directed including disconnecting and taking down existing unserviceable pendent. [Make : Siemens/Tojym or any other make as recommended by the OEM]

Taking down the unserviceable trailing cable and supply and fix trailing cables of size 4 core 6 sq.mm (elastomeric rubber cables) Annealed tinned flexible copper conductor, EPR insulated, cores laid up with fillers (wherever necessery) and binder taped, PCP outer sheathed cable of 1100 volts conforming to IS: 9968 (pt-1) 1988 & (P-2) laid on existing cable trays/ crane structures using MS clamps/ cleats, glands, copper lugs and connecting in panel/ equipment all as specified and as directed. [Make: Orbit/ Uniflex/ Polycab/ Fine Cab/ Finolex]

All as per item No. 20 herein before but of size 4 core x 4sq.mm

All as per item No. 20 herein before but of size 4 core x 2.5sq.mm

Earthing complete with GI earth plate electrode 600 mm x 600mm x 6 mm thick burried directly in ground vertically to a depth not less than 2.25 Mtr below ground level with the top edge of earth plate at depth not less than 1.5 Mtr below ground level connected to and including galvanised iron strip 32 X 6 mm to the extend 7.5 mtr as earth lead by means of bolts, washers ,watering pipe 20mm dia, medium grade GI pipe,with welded funnel and wire mesh and 40mm dia medium grade GI pipe with fitting as protection pipe for strip from plate electrode to test point /plant/machineries etc. including concrete pit in PCC (1:3:6) type C-I having outer dimension 60cmx60cmx60cm and internal dimension 30cmx30cmx30cm, pre-caste RCC 1:2:4 type B-1 cover slab of size 350x350x50mm reinforced with 8mm dia deformed bares @15 cm centre to centre both direction and 10 mm dia MS handle of suitable size charcoal or coke and salt in alternative layers,necessary earth work in soft/loose soil all as show in electrical plate No 3 of MES Schedule Part I and testing complete all as specified and as directed.

Material and labour for laying Aluminium strip 25 x 3.15 mm in trenches/fixed to walls/ roof and down conductors with saddles and fixing screws etc all as specified and directed

Supply only the following Spares suitable for 1 Tonne to 12.5 Tonne EOT/HOT/Mono rail Cranes:(Spares are aganist item no.1) (a) Limit switch (lever type, 2 way cut out) Make: Sterling Controls Pvt. Ltd. or equivalent.

(b) Rotary Limit switch for main hoist Make : Sterling controls pvt Ltd or equivalent.

(c) Controll Contactors Model: 3TA 22 (Make : SIEMENS).

(d) Controll Contactors Model: 3TA 24 (Make : SIEMENS).

(e) Step down transformer 240/110 volt for controll supply

(f) MCB Triple pole 415V, 50Hz C series of rating 6Â to 32A capacity

SERVO-TECH ENTERPRISES