WBSIDCL/04 Elec of 2026-27 Sl 4 Renovation of existing one no. 13 passenger Lift at Garia Commercial Park

Dismantling the existing lift control panel complete with all relays, contactors, timers, electronic modules, wiring accessories, terminal blocks and allied components and supplying, fitting, fixing, testing and commissioning a new microprocessor-based collective/selective lift controller suitable for existing passenger lift (G+4 floors) operating with existing automatic door system and V3F drive, complete with CPU card, I/O modules, power supply unit, interface relays, contactors, overload protection, MCBs, terminal blocks, fault diagnostic display, phase failure and phase reversal protection, safety circuit monitoring, inspection operation, emergency operation, overload interface, landing and car call registration facilities and all necessary electrical/electronic accessories required for satisfactory operation of the lift. The work shall include necessary modification of control wiring, ferruling, termination, testing, commissioning and trial operation complete as required and as directed by the Engineer-in-Charge. The existing Auto Door Operator and V3F Drive shall remain excluded from this item. Make of Controller * Monarch BST / Arkel / Miconic or equivalent as approved Associated Components * Contactors: Schneider / Siemens / ABB / L&T. * Relays: Omron / Schneider. * MCB/MCCB: Schneider / Siemens / ABB / L&T. * SMPS: Mean Well / Omron / Phoenix Contact.

Dismantling the existing defective/worn-out Limit Switch, Pre-Limit Switch and Final Limit Switch for both UP and DOWN directions along with operating cams, rollers, brackets, actuating levers, mounting arrangements and associated wiring connections. Supplying, fitting, fixing, adjusting, testing and commissioning new heavy-duty electro-mechanical limit switches complete with roller lever/plunger type actuators, contact blocks, terminals, mounting accessories and all necessary hardware. The switches shall be suitable for lift duty application and shall be installed at the appropriate positions in the lift shaft/machine room as required. The work shall include alignment of operating cams, adjustment of operating mechanism, reconnection of control wiring, continuity testing, operational testing and commissioning to ensure correct operation of normal stopping, pre-limit and final limit safety functions in both upward and downward directions. The item shall include all labour, tools, tackles, consumables, fasteners, wiring modifications (if required), transportation and incidental works complete as required and as directed by the Engineer-in-Charge. Technical Requirements * Type: Heavy-duty electro-mechanical safety limit switch. * Configuration: 1NO + 1NC or as required by controller design. * Rated Voltage: 230/415 V AC. * Protection Class: Minimum IP54. * Mechanical Life: Minimum 1 million operations. * Roller/lever operated suitable for lift application. Approved Makes Omron/Schneider or Equivalent approved make)

Dismantling the existing defective, worn-out or damaged electro-mechanical door contacts installed at lift landing doors and/or car door, including associated contact assemblies, mounting brackets, fixing screws, wiring terminations and accessories. Supplying, fitting, fixing, adjusting, testing and commissioning new heavy-duty electro-mechanical door contact assemblies suitable for passenger lift operation, complete with contact blocks, insulating base, spring mechanism, contact fingers, mounting arrangements, fixing hardware and all accessories required for satisfactory operation. The work shall include cleaning of contact mounting surfaces, reconnection of existing control wiring, adjustment of contact alignment, continuity testing, safety circuit testing and commissioning to ensure reliable electrical interlocking of all landing doors and car door in accordance with lift safety requirements. The contacts shall positively complete the lift safety circuit only when the respective door is properly closed and locked and shall interrupt the safety circuit immediately upon opening of the door. The item shall include all labour, tools, tackles, consumables, transportation, minor wiring modifications, testing and commissioning complete as required and as directed by the Engineer-in-Charge. Technical Requirements * Type: Electro-mechanical lift door contact. * Contact Configuration: Minimum 1 NO + 1 NC or as required. * Contact Material: Silver alloy or equivalent. * Rated Voltage: Suitable for lift control circuit operation. * Insulation: High-grade electrical insulating material. * Duty: Continuous lift service. * Compatible with existing lift controller and door locking arrangement. Approved Makes Omron//Schneider/Lift manufacturer’s approved equivalent make.

Dismantling the existing defective/non-functional Auto Rescue Device (ARD) complete with battery bank, charger unit, inverter/converter module, control cards, contactors, relays, changeover switches, wiring and associated accessories. Supplying, fitting, fixing, testing and commissioning a new microprocessor-based Auto Rescue Device (ARD) suitable for operation of an existing passenger lift having 11 kW motor with V3F/VVVF drive, complete with maintenance-free rechargeable battery bank, automatic battery charger, inverter/converter unit, automatic power changeover system, control circuitry, interface modules, protection devices and all electrical/electronic components required for satisfactory operation. The ARD shall automatically sense mains power failure and safely move the lift car to the nearest landing floor in the appropriate direction, open the lift doors and keep the lift parked until normal power supply is restored. The work shall include all necessary wiring, termination, interconnection with existing lift controller and V3F drive, adjustment, testing, trial operation and commissioning complete as required and as directed by the Engineer-in-Charge.echnical Requirements * Suitable for passenger lift with existing motor.,Compatible with existing V3F/VVVF drive,Microprocessor-controlled operation.,Automatic mains failure detection.,Automatic rescue to nearest floor,Automatic door opening at landing after rescue,Automatic reset on restoration of normal power. * Protection against: * Battery deep discharge.,Battery reverse polarity.Overload., Short circuit. Charger failure

Visual indications for: * Mains ON.* Battery charging.* Battery low.* ARD operation.* Fault condition.Battery Bank * Sealed Maintenance Free (SMF) rechargeable batteries. * 12 V battery bank as required for the ARD design. * Make: * Exide Industries ,* Amara Raja Electrical Components * Automatic battery charger. Static inverter/converter module.,* Power contactors.,* Changeover contactors/switches,* MCB/MCCB protection.,* Control relays,* Terminal blocks.,* Indication lamps.* Protection circuits.* Interconnecting cables.Approved Makes ARD Unit Monarch/ Arkel/Xinda or Approved equivalent make. Electrical Components * Schneider Electric,* Siemens.,ABB',* L&T,* Omron Testing & Commissioning * Simulation of mains power failure.,* Verification of automatic rescue operation.,* Verification of landing accuracy.,* Verification of door opening operation.,* Battery backup performance test.* Charger operation test.,* Safety circuit test.,* Trial run and commissioning.

S/F additional Trailing cable 4 core 660V (KDK/Finolex) incl. Junction box from MIc room to lift cabin top.

Supply ,Fixing ,installation of Over load sensing device including integrating the same with the controller , rope mounted with overload indicators in car including fixing all accessories and internal controller wiring & inter connection load settable with overload from 110% to 150% completed with clamping arrangement and output control unit. Make - Micelect or equivalent as approved