Final answer:
A) HVAC, Plumbing, Electrical, and Elevator systems. The four Mechanical Systems used in the costing of the Quantity Survey Method are HVAC, Plumbing, Electrical, and Elevator systems.
Step-by-step explanation:
The four Mechanical Systems used in the costing of the Quantity Survey Method are:
- HVAC (Heating, Ventilation, and Air Conditioning): This system includes the equipment and components used to control the temperature, humidity, and air quality in a building. Examples include air conditioners, furnaces, and ventilation ducts.
- Plumbing: This system involves the installation of pipes, fixtures, and other equipment for water supply, drainage, and sanitation. It includes items such as water pipes, sinks, toilets, and water heaters.
- Electrical: This system covers the installation of electrical wiring, outlets, switches, and fixtures for power distribution and lighting throughout a building. It also includes components such as circuit breakers and electrical panels.
- Elevator: This system includes the equipment and machinery used for vertical transportation in multi-story buildings. It consists of elevators, escalators, and related components.