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Suspended ceiling opened to reach the concealed AC unit

AC Replacement and Renewal at Al Othaim Central Administration

Rukn Al Khaleej carried out the replacement and renewal of the air conditioning system at the Al Othaim Central Administration building in Riyadh. The work covered removing the old indoor units, installing concealed units above the suspended ceiling of the open-plan offices, outdoor unit and copper piping works on the roof, and fitting digital wall thermostats for temperature control.

Project overview

Al Othaim Central Administration in Riyadh includes open-plan office areas with suspended ceilings that hide the AC units and ductwork. Replacement and renewal projects of this kind typically aim to restore cooling performance, improve efficiency and give better temperature control across the workplace.

What sets this type of project apart is that it takes place inside an existing office building. It means opening suspended ceiling tiles to reach the concealed units, removing the old equipment, installing the new units and restoring the ceiling, while organising the work to limit the impact on people in the offices.

Scope of work

  • Opening suspended ceiling tiles to reach the concealed indoor units and ductwork.
  • Removing the old indoor AC units as part of the replacement.
  • Installing concealed indoor units above the suspended ceiling and connecting them to the ductwork and diffusers.
  • Rooftop outdoor unit works, with the units mounted on steel stands.
  • Insulated copper piping between the outdoor and indoor units, plus condensate drain lines.
  • Fitting digital wall thermostats in the offices for temperature control.

How we delivered it

  1. 01

    Assessing the existing system

    Replacement projects typically begin by assessing the existing units, copper and drain routes and ductwork to decide what must be replaced and what can be reused, and to choose units that suit the offices and how they are used.

  2. 02

    Orderly replacement indoors

    The suspended ceiling was opened where needed, and the old units were removed and new ones installed in their place. The work was kept organised and the offices clean to limit disruption to staff.

  3. 03

    Roof, controls and start-up

    On the roof, the team carried out the outdoor unit and insulated copper piping works. Digital thermostats were then fitted on the walls, and the system was started up to check unit performance before handover.

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