Pipes with no foul smell
Pipes that give off no foul smell - 3-layer odour protection.
For the contractor
In-wall plumbing & electrical
9 notes
Step 1
Before signing the contract
Get to know each other and make both sides' expectations clear before signing with the architect.
Step 2
Guiding principles
Apply to every item; restate them to the architect and contractor from the start.
Step 3
Design & preparation
Things to settle before construction starts.
Step 4
Structure & rough construction
Foundation, floors, walls, concrete, waterproofing.
Step 5
In-wall building systems
Electrical, plumbing, air-conditioning, network — done before plastering and tiling.
No small noises in the house
No small noises in the house (e.g. water running in pipes) that distract or make it hard to sleep.
Build to the MEP drawings
Plumbing and electrical work done exactly to the MEP drawings; workers can read drawings; experienced electricians who work carefully. No changing pipe routes by themselves to save money.
PPR heat welding done correctly
PPR pipes heat-welded to proper technique: not pushed too hard so the pipe end collapses, not too lightly so the joint leaks.
Water supply test before covering
Test the water supply before building the pipe shaft / closing the ceiling: pressurise, place pressure gauges at the outlets; no leaks, no joints popping.
Drainage test before covering
Test drainage before covering: plug the outlets, pump in water and soak for a while, no leakage. Also check: slope, pipe diameter, vent pipes, correct connections (toilet, floor drain, rain water kept separate).
Minimise wire joints
Minimise wire joints; where a joint is unavoidable, make it firm and insulate it well. Long runs have junction boxes (about every 10 m) to make pulling and replacing wires easy.
Do not pull wires too tight
Do not pull wires too tight around corners (stretches the copper core, damages the sheath); do not stuff too many wires into a conduit - leave breathing room so wires can be pulled out and replaced later.
Separate wiring per light
Each light bulb and device gets its own live wire + neutral wire, no borrowed wires; a full earth (ground) wire is run as well.
Step 6
Surface finishing
Floors, walls, ceilings, doors, paint.
Step 7
Equipment & built-in cabinetry
Kitchen, sanitary ware, built-in cabinets.
Step 8
Furniture, lighting & decor
Loose furniture and lighting, done last inside the house.
Step 9
Garden & exterior
Gate, yard, plants, irrigation.
Step 10
Handover, operation & maintenance
Checks before taking over the house and after moving in.