Click once below for more detailed information on each particular class of work.
- General Building (GB)
- Mechanical engineering (ME)
- Electrical engineering works – buildings (EB)
- Electrical engineering works – Infrastructure (EP)
- Civil Engineering (CE)
- Asphalt Works (SB)
- Excavations, Shaft Sinking, Lateral Earth Support (SC)
- Corrosion protections (Cathodic, Anodic & electrolytic) (SD)
- Demolition and Blasting (SE)
- Fire protection and protection systems (SF)
- Glazing, Curtain Walls & Shop Front (SG)
- Landscaping, Irrigation and horticulture works (SH)
- Lifts, Escalators (Installation & Maintenance) (SI)
- Pilling & Specialized foundations for building structures (SJ)
- Road markings & signage (SK)
- Scaffolding, Structural steel works, (SL)
- Timber buildings and structures (SM)
- Waterproofing of basements, roofs & specialized walls (SN)
- Plumbing & drainage for building (SO)
- Fencing, Steel security or precast concrete (SQ)
