House builders erect, maintain and repair houses and similar small buildings using either traditional or modern techniques and materials.
(a)     Tasks include -
preparing ground for erecting building or other structures;
erecting structures to support roof, and building and covering walls with appropriate materials;
fixing rafters to roof and covering with roofing material;
levelling floor to make it smooth and serviceable;
maintaining and repairing existing structures;
arranging for specialized work such as bricklaying, painting, plumbing and electrical wiring to be done by subcontractors;
coordinating and supervising the activities of subcontractors, labourers and other workers.