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Questions and Answers
What is the fire-resistive rating for Type III Construction?
Which type of construction requires a three-hour fire-resistive rating?
What is the maximum allowed smoke density for interior wall and ceiling finishes?
What characterizes Non-Fire Restricted Zones?
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How thick must materials be for the flame-spread characteristic requirements not to apply?
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In which zones is at least a two-hour fire-resistivity required for exterior walls?
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What defines a fire zone?
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What is the highest level of fire-resistivity required in Highly Fire Restrictive Zones?
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In a building located in more than one fire zone, how is it classified?
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Which types of construction are permitted in Highly Fire Restrictive Zones?
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Where are Fire Restrictive Zones most commonly located?
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What must be done for buildings moved into a fire zone?
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What material must be treated with a flame-retardant to achieve a flame-spread of fifty or less?
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Which type of construction is characterized by wood construction with protective fire-resistant materials and a one-hour fire resistive rating?
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What is the primary requirement for the exterior walls of Type III constructions?
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Which type of construction requires a four-hour fire-resistive rating for all structural elements?
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What does Rule IV prohibit regarding changes in constructions?
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In Type IV construction, what materials are specified for walls, ceilings, and permanent partitions?
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Which construction type allows the use of fire-retardant treated wood in non-bearing partitions?
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For Types II, III, and IV constructions, what is the required fire-resistive rating for interior bearing walls?
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Which is NOT a characteristic of Type I construction?
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What must happen to temporary buildings or structures erected in fire zones upon expiration of their permits?
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Under what condition can existing buildings in fire zones undergo repairs?
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What does the Building Official require for temporary structures in highly restrictive zones?
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What restriction applies to existing buildings in fire zones concerning alterations?
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What is a requirement for additions to existing buildings in fire zones?
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What happens to an existing building if it is entirely demolished in a fire zone?
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What is the purpose of designating fire zones by the legislative body of the LGU?
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When measuring distances for fire safety regulations, where is the reference point taken?
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Study Notes
Types of Construction
- Type I: Wood construction; structural elements may utilize any materials allowed by the Code.
- Type II: Wood construction with protective fire-resistant materials; one-hour fire-resistive rating throughout, allowing fire-retardant treated wood in non-bearing partitions.
- Type III: Combination of masonry and wood construction; must be one-hour fire-resistive, with incombustible fire-resistive exterior walls.
- Type IV: Constructed with steel, iron, concrete, or masonry; all walls, ceilings, and partitions must be incombustible fire-resistive, with exceptions for fire-retardant treated wood in non-bearing partitions.
- Type V: Requires four-hour fire-resistive rating with structural elements comprised of steel, iron, concrete, or masonry.
Changes in Construction Types
- No alteration of construction type shall occur unless it meets the requirements for the appropriate subtype; changes must be less hazardous to gain approval from the Building Official.
Fire Resistive Requirements
- Types II and III: One-hour fire-resistive rating for exterior walls and interior bearing walls; Types IV and V require four-hour fire-resistive ratings.
- Type V: Interior bearing walls have a three-hour fire-resistive rating; one-hour for vertical openings, floors, and roofs.
- Structural Frames: Type IV requires two-hour fire-resistive rating, while Type V needs a three-hour rating.
- All exterior doors and windows must have a one-hour fire-resistive rating regardless of type.
Interior Finishes and Materials
- Interior wall and ceiling finishes must comply with flame-spread standards; smoke density must not exceed that of untreated wood under testing conditions.
- Exemptions for finishes apply to frames/trim of doors/windows and materials thinner than 1.00 millimeter.
- Flame-proofed materials must be treated for a flame-spread rating of 50 or less.
Fire Zones
- Fire zones limit construction based on use, occupancy, type of construction, and fire resistance.
- Buildings spanning multiple fire zones are classified in the more restrictive zone if over one-third of the area is located there.
Regulations for Moved Buildings
- Any building moved into a fire zone must meet that zone’s requirements, including pre-engineered structures.
Temporary Structures
- Temporary buildings like reviewing stands or construction safety structures may be erected in fire zones under special permits; they must be dismantled after the permit timeframe.
- Building Officials may allow temporarily non-compliant structures if adequate fire safety measures are implemented.
Existing Building Restrictions
- Existing structures in fire zones must not be enlarged or altered unless entirely demolished or moved to compliant zones.
- Repairs up to 20% of the building's value are permitted as long as they do not increase fire hazards.
- Damage repairs from disasters may use the original materials if costs do not exceed 20% of replacement value.
Designation of Fire Zones
- Local Government Units (LGUs) define fire zones to manage fire risk in populated areas.
- Non-Fire Restricted Zones: Minimal fire-resistivity requirements; typically rural.
- Fire Restrictive Zones: Construction requires at least two-hour fire resistance for exterior walls.
- Highly Fire Restrictive Zones: Must utilize three to four-hour fire-resistive materials; only Types IV and V allowed.
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Description
Explore the different types of construction outlined in the code, from Type I to Type V. This quiz will assess your understanding of the materials and fire-resistance ratings associated with each construction type. Perfect for students and professionals in the construction field.
