Replacement of electrical control equipments including resistance box etc of 100 20 ton intake gate gantry crane

Main Protective Panel: Comprising MCCBs/MCBs & Contactors of suitable ratings (Min 125% of peak load of individual circuit as rated current and 50kA Short Circuit Current with Thermal and Magnetic over current trip (adjustable overload and fixed short circuit), for Main Hoist, Auxiliary Hoist, Cross Travel, Long Travel, Lights, RRC, Cabin AC/Heater/Fan etc. as per loads detailed in trailing parts of this document. Make: Siemens/Schneider/L&T

Main Hoist Control Panel:Comprising of MCCB, MCB, Contactors, Timers of Overload Relays of suitable ratings for Main Hoist movement, including Main Motors (50 KW), Thruster Brakes, Interlocking with Limit Switches & Safety Switches. Panel is to be designed to operate through Master controller & RRC. Make: Siemens/Schneider/L&T

Aux Hoist Control Panel:Comprising of MCCB, MCB, Contactors, Timers of Overload Relays of suitable ratings for Auxiliary Hoist movement, including Main Motors (20 KW), Thruster Brakes, Interlocking with Limit Switches & Safety Switches. Panel is to be designed to operate through Master controller & RRC. Make: Siemens/Schneider/L&T

Cross travel 1ControlPanel:Overload Relays of suitable ratings for Cross Travel 1 movement, including Main Motors (3.7 KW), Thruster Brakes, Interlocking with Limit Switches & Safety Switches. Panel Should have individual sections for each of the CT Motors (refer List of Motors at #2). Panel is to be designed to operate through Master controller & RRC. Make:Siemens/Schneider/L&T

Cross travel 2 Control Panel:Comprising of MCCB, MCB, Contactors, Timers of Overload Relays of suitable ratings for Cross Travel 2 movement, including Main Motors (5 KW), Thruster Brakes, Interlocking with Limit Switches & Safety Switches. Panel Should have individual sections for each of the CT Motors (refer List of Motors at #2). Panel is to be designed to operate through Master controller &RRC.Make: Siemens/Schneider/L&T

Long Travel Control Panel:Comprising of MCCB, MCB, Contactors, Timers of Overload Relays of suitable ratings for Long Travel movement, including Main Motors (15 KW X 4 ), Thruster Brakes, Interlocking with Limit Switches & Safety Switches. Panel is to be designed to operate through Master controller & RRC. Make: Siemens/Schneider

Anchor Motor Panel: Comprising of MCCB, MCB, Contactors, Timers of Overload Relays of suitable ratings for Long Travel movement, including Main Motors (2.2 KW X 4 ), Thruster Brakes, Interlocking with Limit Switches & Safety Switches. Panel is to be designed to operate through Master controller & RRC.Make:Siemens/Schneider/L&T

Junction Box: Junction box as per existing scheme to be provided. Bus bar of suitable rating to be used for cable connections. Make: SNT

Control Transfor-mers:Control/Auxiliary Transformers of rating equal to min 150% of total control/auxiliary load connected to the transformer. Transformer should have input tapping for 415V, +/-2.5% and +/-5%. Make:Reputed

Thruster Brake for MH:AC Thruster operated complete brake assembly including Brake Drum Dia500 mm, braking torque 130 KG-M,415V,3-PH.,50HZ. Make: Reputed

Thruster Brake for AH:AC Thruster operated complete brake assembly including Brake Drum Dia 250 mm, braking torque 73 KG-M,415V,3-PH.,50HZ. Make: Reputed

Thruster Brake for CT1 & CT2:AC Thruster operated complete brake assembly including Brake Drum Dia 200 mm, braking torque 13 KG-M,415V,3-PH,50HZ. Make: Reputed

Thruster Brake for LT:AC Thruster operated complete brake assembly including Brake Drum Dia 100 mm, braking torque 26 KG-M,415V,3-PH,50HZ. Make:Reputed

Oil Seals:Oil Seals for above thruster brake units are to be supplied (4 Nos. of each). Make: Reputed

Resistance Box:Resistance Box for MH - SS 304 Punched Grid IP21. Make: Reputed

Resistance Box: Resistance Box for AH - SS 304 Punched Grid IP21. Make: Reputed

Resistance Box:Resistance Box for LT - SS 304 Punched Grid IP21. Make: Reputed

Resistance Box:Resistance Box for CT 1 - SS 304 Punched Grid IP21. Make: Reputed

Resistance Box:Resistance Box for CT 2 - SS 304 Punched Grid IP21. Make: Reputed

Resistance Box: Resistance Box for Anchor Motor - SS 304 Punched Grid IP21.. Make: Reputed

Limit Switches: All the existing limit switches (Rotary, Counter Weight/Gravity, Lever) are to be replaced with equivalent new limit switches with required necessary modification work. Make: Reputed

MH Master Controller:4 Step Master Controller to be provided for Main Hoist. There should be provision for hoisting with any one motor also.Make: Reputed

AH Master Controller: 4 Step Master Controller to be provided for Auxiliary Hoist.Make: Reputed

LT Master Controller: 4 Step Master Controller to be provided for Cross Travel. Make:Reputed

CT 1 & 2 Master Controller: 4 Step Master Controller to be provided for Long Travel. There should be provision for LT movement with two motors also.Make: Reputed

Anchor Motor Master Controller:4 Step Master Controller to be provided for Anchor Motor.Make: Reputed

Radio Remote Control: A suitable RRC system to be provided on crane. Crane can be operated from cabin as well as through remote. A separate panel should be provided on the crane for RRC receiver, decoder circuit& Relay Board. Safety interlocks and wiring.Make: Reputed

Cabin Light & Fan:The crane cabin is to be provided with LED Lamp of suitable rating (minimum 15W) for sufficient illumination of cabin & One Cabin Fan (Sweep 9"). Make:Greaves/PhilipsBajaj/ GE

Siren:One siren audible along with foot switch to be supplied & installed by vendor. Make: Reputed

Misc. Work: a) Repair of control room cabin with help of wire mesh, perforated sheet &specialized sheet for outdoor application. b) Cleaning & greasing of all bearing of wheels and moveable parts. c) Overhauling of all the motors and repair/replacement of slip rings, including varnishing of motors. All consumables to be provided by the vendor. d) All wiring diagram to be provided in triplicate with soft copy after approval to the department.

Commissioning of crane: Testing and commissioning of crane complete in all respect (Any work not mentioned above and required for successful completion of work shall be done by contractor at his own cost).

MADHAVI INDUSTRIES PVT LTD

JAY TECHNICAL SERVICES