Distributed Inverter Elevator 33 | 34

WORK BY OTHERS

The works below are not included in the elevator installation work and should be carried out bybuilding contractors in accordance with our drawings, relevant international or local codes and regulations.

¡ 30mm.Hoistway walls are to be designed and constructed according to the required fire rating including where penetrated by elevator fixture boxes and to include adequate fastening to hoistway entrance assemblies. One front entrance wall, at the main landing, is not to be constructed until after all elevator materials are located in the hoistway. Remaining front entrance walls shall not be constructed until after door frames and sills are in place. If front walls are poured concrete bearing wall, rough openings are tobe provided to accept entrance frames and filled in after frames are set. Rough openings shall be sized to suit the Elevator Contractor.All cutting, including cutouts to accommodate hall signal fixtures, patching, painting of walls, floors, or partitions, together with finish painting of entrance doors and frames, if required. Suitable light fixture and convenience outlet in the pit with a light switch adjacent to the access door or ladder. The receptacles shall have ground fault circuit interrupter protection.The surface of the pit floor beneath the rails and buffers stand to be flat and level within 1/8

Hoistways

Installation of lead - in wire and earth wire between building main power board and machine room incoming distribution board. However, machine room lighting source supply shall be separately installed.Should operation of the elevators be required on emergency standby power, other are to provide an emergency power unit and means for starting it, and deliver to the elevator main switch(MCCB) at the controller in the machine room, sufficient power to operate one or more elevators at a time at full rated speed.Provide necessary transfer switch(es) to switch from normal power supply to emergency power supply, in the event of normal power supply failure. Provide normally closed contact(s) and wiring from transfer switch(es) to one(1) elevator controller within each group.Suitable light fixture and convenience outlets in machine room with light switches. The receptacles shall have ground fault circuit interrupter protection.Provision of fire extinguishers(per governing codes). ¡¨ (3.2mm) of the full width of the pit.Where access to the pit is by means of the lowest hoistway entrance, a vertical iron ladder extending 42 Provision of steel bars to fix jamb around the hoistway entrance of each floor.Waterproof work inside pit,(including drainage, if necessary) and finishing work after the buffers installed. Provision of entrance or ladder(gangway) for pit access(where necessary for deep pit). Supply and installation of fall - prevention plate at the hoistway entrances. Installation of emergency exits and electric wiring in blind sections of hoistway(where required).A properly framed and enclosed legal hoistway, including venting as required by the governing code or authority, ready for uninterrupted use by the Elevator Contractor at an agreed upon date. Adequate guide rail bracket supports and spacing as required by governing code, from pit floor to underside of an overhead slab, separator beams where required. Dry pit of proper depth shall be provided and reinforced to sustain normal and impact vertical forces from rails and impact loadsfrom buffer.Plumb-line tolerance over the whole hoistway height must not exceed ¡¨ (1067mm) minimum above the sill of the access door.

Miscellaneous

For the fire emergency operation, the smoke detectors located where required are to be wiring connected to the elevator controllers.Wiring and piping works between monitoring systems (if monitoring systems are used), elevator machine room, alarm panels and inter - communication systems, etc, outside of hoistway.The elevator machine rooms and hoistways shall be free of dust or harmful gas.A secured area for storage of elevator equipment and materials during elevator installation shall be provided. Hoistway and machine room shall contain no piping or wiring not related directly to elevator operation. All electric power for light, tools, hoists, welding, etc, during erection. All single phase receptacles installed in machine rooms, pits and machinery spaces shall have ground fault circuit interrupter protection.Guarding and protecting the hoistway during construction; the protection of the hoistway shall include removable solid panels surroundingeach hoistway opening at each floor, a minimum of 120cm high. Hoistway guards to be erected, maintained and removed by others.TEMPORARY USE OF ELEVATORS : Should any elevator be required for use before final completion, others shall provide withoutexpense to the Elevator Contractor, if required, temporary car enclosures, requisite guards or other protection for elevator hoistwayopenings, main line switch with wiring, necessary power, signaling devices, lights in car and elevator operators together with any other special labor or equipment needed to permit this temporary usage.The Elevator Contractor shall be reimbursed for any labor and material which is not part of the permanent elevator installation and which is required to provide temporary elevator service. In addition, the Elevator Contractors temporary acceptance(permission) form shallbe executed before any elevator is placed in temporary service, and the cost power and operation, maintenance of the equipment and rehabilitation of equipment shall be paid for by others.

Machine Rooms

Provision of phone wiring from phone sevice and / or remote locations to elevator controllers.Lifting beam must be installed on the ceiling for hoisting and transfer of heavy equipment.Noise insulation should be installed between the machine room and adjacent residential areas.Patching and plastering of all cutouts made necessary by elevator work.A suitable machine room with legal access, ventilation and concrete floor. The temperature in the machine room should be maintained between 5 ¡ and 40 ¡ .Relative humidity should not exceed 90%(monthly) and 95%(daily) non - condensing. Ventilation shall suit the Elevator Contractor’s heat release requirements.Machine room entrance size shall be 900mm(W) ¡¿ 2000mm(H) and cannot be used as passageway leading to any other place. Forced locking system(automatic - closing) shall be furnished.Main line power supply shall not exceed ¡ 5% variance.A three(3) phase, four(4) wire electrical feeder system with an equipment grounding conductor terminating in the machine room. Size of the feeders and grounding conductor to suit elevator power characteristics.