Blog

Notes from the site and the plant room

Practical notes on structural steel erection and chiller maintenance in the UAE, written by the AL NIMRA team.

Structural steel

Bolted or welded connections on site

Both work. They differ in what they demand from the site, the programme and the inspection regime.

AL NIMRA Admin 01 Aug 2026 · 2 min
Chiller works

Why chilled water pipe insulation fails in UAE humidity

Insulation on a chilled water line is a vapour barrier before it is a thermal barrier. Treating it the other way round is why it fails.

AL NIMRA Admin 27 Jul 2026 · 2 min
Compliance & delivery

Working through a UAE summer: what it does to a programme

Heat shortens the productive day, slows the work that remains, and changes how materials behave. All three belong in the plan.

AL NIMRA Admin 22 Jul 2026 · 2 min
Structural steel

Portal frame or truss: choosing a roof structure

Two standard answers for a wide clear span, and what usually decides between them.

AL NIMRA Admin 17 Jul 2026 · 2 min
Chiller works

Reading chiller performance: approach, head pressure and kW/TR

Three readings that tell you what a chiller is doing, and what a drift in each of them usually means.

AL NIMRA Admin 12 Jul 2026 · 2 min
Compliance & delivery

What a planned preventive maintenance schedule should contain

A PPM schedule is an asset register with tasks attached. Without the register it is a calendar of good intentions.

AL NIMRA Admin 07 Jul 2026 · 2 min
Structural steel

Crane selection and lift planning, without the jargon

Capacity is the least interesting number on a crane chart. Radius and ground conditions decide far more.

AL NIMRA Admin 02 Jul 2026 · 2 min
Chiller works

Signs a chiller compressor is heading for failure

Compressors rarely fail without notice. The warnings are mostly in readings and sound, and they usually appear weeks ahead.

AL NIMRA Admin 27 Jun 2026 · 2 min
Compliance & delivery

Snagging and handover without the argument

Most handover disputes come from a standard nobody agreed in advance.

AL NIMRA Admin 22 Jun 2026 · 2 min

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