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Building Code: Roof Enclosures and Equipment

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Questions and Answers

What is the minimum clearance required between the service access panel(s) of the equipment and the wall of the enclosure?

30 inches (760 mm)
24 inches (600 mm)
48 inches (1200 mm)
36 inches (900 mm) (correct)

Why is a watertight pan of corrosion resistant metal required beneath the cooling coil?

To reduce noise from the cooling coil
To prevent damage from condensate overflow (correct)
To improve air circulation around the coil
To reduce the weight of the cooling coil

What is the minimum height requirement for a building to have an inside means of access to the roof?

15 feet (correct)
20 feet
25 feet
10 feet

What is the minimum nominal pipe size for the drainpipe from the watertight pan?

3/4 inch (19.1 mm) (D) Signup and view all the answers

What is required to be provided at the roof access?

Permanent lighting (B) Signup and view all the answers

How far must the equipment be installed from the edge of a roof or similar hazard?

6 ft (1829 mm) (D) Signup and view all the answers

Where should the switch for the permanent lighting be located?

Inside the building near the access means leading to the roof (B) Signup and view all the answers

What is the minimum height of the rigidly fixed rail, guards, parapets, or other building structures required on the exposed side of the equipment?

42 inches (1067 mm) (C) Signup and view all the answers

What is the purpose of installing equipment on a well-drained surface of the roof?

To prevent water accumulation around the equipment (C) Signup and view all the answers

What is the purpose of having an inside means of access to the roof?

To allow for easy maintenance and repairs (B) Signup and view all the answers

Under what circumstances can an alternative means of access to the roof be used?

When the Authority Having Jurisdiction approves it (B) Signup and view all the answers

What is the benefit of having a permanent and legible factory-applied nameplate on certain equipment?

It provides a means of identifying the equipment (C) Signup and view all the answers

What is an alternative to accessing the roof through the roof itself?

Through a wall, as in Section 510.8.3 (A) Signup and view all the answers

What is the section number that provides clearance requirements for accessing the roof?

Section 507.2 (D) Signup and view all the answers

What is required to comply with the air movement requirements for accessing the roof?

The air movement requirements of Sections 511.2.1 and 511.2.2 (C) Signup and view all the answers

What is not a requirement for accessing the roof?

Distributing content over a network, including a local area network (B) Signup and view all the answers

What is the purpose of Section 510.8.2 for accessing the roof?

To provide access through the roof from outside (A) Signup and view all the answers

What is the chapter that covers duct systems sizing requirements?

CHAPTER 6 (C) Signup and view all the answers

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