Building site preliminary works are the initial activities carried out before actual construction begins. Their main purpose is to prepare the site so that construction can proceed safely, efficiently, and according to plan.
They typically include:
Site clearance – removing vegetation, debris, old structures, and topsoil
Setting out – marking building lines, levels, and positions using survey instruments
Temporary works – putting up site offices, stores, fencing, hoarding, and access roads
Provision of services – temporary water, electricity, and drainage
Health and safety measures – signage, protective barriers, and welfare facilities
Soil investigation and testing – to confirm ground conditions for foundations
In short, preliminary works ensure the site is safe, accessible, properly laid out, and ready for construction, helping to avoid delays, accidents, and costly mistakes later on.
- Teacher: Caroline Kinyua
