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Which of the following statements is true regarding combustible materials used in the playground structure’s construction?

A fire inspector is inspecting a fast-food restaurant that has an indoor playground structure exceeding 10 ft (3.1 m) in height and 160 ft³ (14.9 m²) in area.

Which of the following statements is true regarding combustible materials used in the playground structure’s construction?
A . Combustible materials are not permitted
B . Class II interior floor finish is permitted
C . Wood components may be treated or non-treated
D . Foam plastics with a heat-release rate less than 100 kW are permitted

Answer: D

Explanation:

Indoor playground structures are subject to material restrictions to prevent excessive fire risk.

According to NFPA 101®, Life Safety Code®, Section 12.4.8.6, and related codes:

Combustible materials (A): Not all combustibles are prohibited; specific limits and fire-retardant materials are allowed.

Class II floor finish (B): This applies to interior finishes but does not directly address playground structure construction.

Wood components (C): Untreated wood is not acceptable in this case; treated materials might be allowed but are not sufficient alone.

Foam plastics (D): Foam plastics are permitted if the heat-release rate is less than 100 kW when tested per NFPA 289. This ensures they do not contribute significantly to fire growth.

Reference: NFPA 101, Section 12.4.8.6: Material requirements for indoor playground structures.

NFPA 289: Standard test method for fire testing of foam plastics.

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