Tag
#testing
6 topics across all disciplines.
From isometric to installed line — fabrication, erection and testing
How to read a piping isometric, why spool breaks decide what happens in the shop and what happens at height, and the test and reinstatement sequence that gets a line handed over.
Switchgear, transformers and protection testing
Why secondary injection proves the relay and primary injection proves everything else, what a reversed CT does to differential and directional protection, why an open CT secondary is dangerous, what breaker timing feeds into, and why phase rotation is checked before anything is paralleled.
Electrical commissioning and turnover — from dead to live
Why insulation testing needs electronic devices disconnected and readings corrected for temperature, what a functional test proves that a settings check cannot, why an inhibit register exists, why as-left settings are recorded, and what changes the moment a system is energised.
Soil investigation and compaction — the tests behind the report
What a Proctor test actually establishes and why field density is meaningless without it, the difference between Standard and Modified, why optimum moisture content is a target rather than a maximum, what sabkha does to buried concrete, and how a compaction result gets flattered without anyone lying.
Piling and deep foundations — necking, founding stratum and integrity
How a pile carries load through end bearing and shaft friction, what necking is and why a bored pile can develop it without anyone seeing, why the founding stratum must be proved rather than assumed from depth, what pile trimming is for, and how equipment bases get grouted.
Placing, curing and testing concrete in hot weather
Why curing is a chemical requirement rather than a finishing touch, what evaporation rate does to a slab before it has set, how cube specimens must be made and stored to mean anything, what the acceptance criteria actually say, and why a cold joint is a structural defect rather than a cosmetic one.