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Work to be done by building contractors

The preparatory work for elevator installation outlined below should be undertaken by building
contractors in accordance with Hitachi drawings and applicable national or local codes and
regulations.
1. Prepare hoist way with proper framing and enclosure, suitable pit of proper depth with drains
and water-proofing if required, properly lit and ventilated machine room of adequate size with
concrete floors, access doors, ladders and guards as required.
2. Provide and/ or cut all necessary holes, chases, and openings and finishes after equipment
installation.
3. Supply and secure all supports, reinforced concrete slabs, etc., necessary for installation of the
machinery, doors, buffers, etc.
4. Furnish all necessary cement and/or concrete for grouting-in of brackets, bolts, machine
beams, etc.
5. Prepare and erect suitable scaffolding and protective measures for the work in progress.
6. Furnish mains for three-phase electric power and single-phase lighting supply to machine
room, following the instructions of the elevator contractor on outlet position and wire size.
7. Provide, free of charge, a suitable theft-proof storage area for materials and tools during
erection work.
8. Supply electric power for lighting of work area, installation work, elevator testing and spray
painting.
9. Hoisting hook for loading shown on GAD at top of the machine room.

No. Items

1 Prepare hoist-way with proper framing and enclosure, suitable pit of proper depth with drains
and water-proofing if required, properly lit and ventilated hoist way of adequate size with
concrete floors, access doors, ladders and guards as required.
2 Supply and secure all supports, reinforced concrete slabs, etc., necessary for installation of
elevator machinery, doors, buffers, etc.
3 Hoisting hooks as required capacity and location in elevator plan drawing for hoisting of
elevator machinery at top of the hoist-way
4 Provide and/or cut all necessary holes, chases and openings as elevator plan drawings, and
carry out all grouting, covering and finishes work after elevator equipment installation.
5 Furnish all necessary cement and / or concrete for grouting of brackets, bolts, machine beams,
etc.
6 Prepare and erect suitable scaffolding and protective measures during work in progress.
7 Provide, free of charge, a suitable theft-proof storage area for materials and tools during
erection work.
8 Supply, free of charge, electric power for lighting of work area, installation work, elevator
testing and spray painting.
9 Furnish mains for three-phase electric power and single-phase for car lighting, pit lighting,
overhead lighting, shaft lighting and power outlets to the hoist-way, following the instructions
of the elevator contractor on outlet position and cable length.
10 Hoist-way ventilation to be provided to maintain the hoist-way temperature at below 38oC

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