Building Code Compliance for Plastics

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Questions and Answers

Which law governs the electrical systems and installations as per the Electrical Regulations?

Philippine Electrical Act No. 184

Commonwealth Act No. 294

Republic Act No. 184 (correct)

Republic Act No. 294

What is the maximum allowable weight of film negatives stored in a single cabinet?

110 kilograms (correct)

300 kilograms

450 kilograms

200 kilograms

What type of envelopes should be used for storing film negatives?

Paper folders

Heavy Manila envelopes (correct)

Plastic bags

Cardboard boxes

How far from heat sources should films be stored?

600 millimeters Signup and view all the answers

Which type of light is permitted for use in film storage areas?

Incandescent electric light Signup and view all the answers

What feature must door openings in storage vaults have?

Four-hour fire-resistive construction Signup and view all the answers

In which situation must storage rooms for unexposed photographic and x-ray films have automatic fire extinguishing systems?

When exceeding 14.00 cubic meters in shipping containers Signup and view all the answers

What must be posted prominently in storage areas for film?

No smoking signs Signup and view all the answers

Which type of film is exempted from the provisions of Section 1402?

Safety film Signup and view all the answers

What is the required storage practice for discarded films?

To be handled with care until removed from the premises Signup and view all the answers

What distinguishes safety photographic X-ray film?

It is marked on the edge of the film Signup and view all the answers

What must every device used to connect prefabricated assemblies do?

Be capable of developing the strength of the connected members Signup and view all the answers

Which is NOT a required characteristic of prefabricated assemblies as per the guidelines?

Aesthetics Signup and view all the answers

What must be inspected when placing prefabricated assemblies?

Compliance with building code standards Signup and view all the answers

What is the purpose of the fire extinguishing system as detailed in Section 1403?

To fulfill the specifications set by the Secretary Signup and view all the answers

What is the definition of prefabricated assembly as per Section 1501?

A structural unit assembled before incorporation in a building Signup and view all the answers

What is the maximum area allowed for a section of plastic veneer above the first storey in less restrictive Fire Zones?

22.50 square meters Signup and view all the answers

Under what condition can plastic light diffusers be installed in a manner that may become detached at temperatures of 80°C?

If they are in first floor areas of Group C Occupancies Signup and view all the answers

What is the minimum vertical separation required between sections of plastic veneer?

1.20 meters Signup and view all the answers

Which of the following can utilize approved plastics in their construction according to the Flame Spread characteristics?

Awnings and canopies Signup and view all the answers

What is the maximum height for plastic veneer attached to exterior walls?

10.00 meters Signup and view all the answers

What type of materials may be used in lieu of plain glass in greenhouses located in less restrictive Fire Zones?

Approved plastics Signup and view all the answers

Which of the following statements about plastic light diffusers is true?

They must be made of approved plastics and meet specified requirements. Signup and view all the answers

What is the requirement for plastic materials used in partitions?

They must conform to approved specifications. Signup and view all the answers

What is the primary concern regarding the construction of signs in natural landscapes?

Obstruction of natural views and traffic hazards Signup and view all the answers

Which of the following is a requirement for the maintenance of signs?

Signs should be secured and kept in a proper state of repair. Signup and view all the answers

How should sign structures be designed in relation to the National Structural Code for Buildings?

They must resist all forces as specified in the Code. Signup and view all the answers

What materials are allowed for signs in highly restrictive Fire Zones?

Structural members must be made of incombustible materials Signup and view all the answers

What should be considered when placing supports and anchorages for signs?

They should conform to the requirements of the Code. Signup and view all the answers

Which type of materials can be used for non-structural trim and portable display surfaces?

Wood, metal, approved plastics, or any combination thereof Signup and view all the answers

What is the requirement for display surfaces in all types of signs?

They must be made of metal, glass, or approved plastics. Signup and view all the answers

What clearance requirement is highlighted for signs near high voltage power lines?

Clearances should comply with the Philippine Electrical Code. Signup and view all the answers

What is the maximum allowable area for a paint spray booth in square meters?

150 Signup and view all the answers

Which material is specified for the construction of paint spray booth floors?

Incombustible material Signup and view all the answers

What is the minimum depth requirement for a fire curtain or metal deflector at the booth opening?

100 millimeters Signup and view all the answers

What is the minimum ventilation air movement rate required for paint spray booths?

30 lineal meters per minute Signup and view all the answers

Which type of glass panels should be used for lighting in paint spray booths?

Hammered wire glass Signup and view all the answers

What is the minimum distance that exhaust ducts must be located from combustible construction?

2.00 meters Signup and view all the answers

What gauge of steel is specified as a minimum thickness for paint spray booth construction?

No. 18 U.S. gauge Signup and view all the answers

What is the requirement for the design of the interior surfaces of paint spray booths?

Smooth and continuous Signup and view all the answers

Study Notes

Plastic Light Diffusers in Ceilings

Ceiling light diffusers larger than 10% of any 10 square meters of a room should be made from approved plastics that meet building code requirements.
Installation of plastic light diffusers should be done in a way that prevents them from detaching easily when subjected to a room temperature of 80 degrees Celsius for 15 minutes.
Exceptions are made for plastic light diffusers on the first floor of Group C Occupancies with direct egress to the exterior and those installed between automatic fire-extinguishing systems and the protected area, excluding public corridors in Group A, B, C, D, E, G, H, and I Occupancies, as long as testing by the Secretary confirms they don't interfere with the fire systems.

Partitions

Approved plastics meeting building code requirements can be used for partitions that aren't required to be fire-resistive or incombustible.

Exterior Veneer

Plastic materials can be utilized for exterior veneer, subject to the provisions mentioned.
Plastic veneer is prohibited on exterior walls above the first storey, with exceptions for buildings outside highly restrictive Fire Zones where the veneer height doesn't exceed 10.00 meters above the adjacent grade of elevation.
Maximum area of plastic veneer sections is 15.00 square meters, with a 50% increase permissible in less restrictive Fire Zones.
Plastic veneer sections should be separated by at least 1.20 meters vertically and 600 millimeters horizontally.

Awnings and Canopies

Plastics meeting Flame Spread requirements can be used in awnings and canopies as long as they adhere to the specific provisions on projections and appendages.
Approved plastics can be used in awnings where untreated canvass is allowed.
Approved plastics may replace plain glass in green-houses in less restrictive Fire Zones.

Photographic and X-ray Films

Unexposed photographic and x-ray films exceeding 14.00 cubic meters in storage require automatic fire extinguishing systems.
The same applies to shelving with a storage capacity exceeding 1.40 cubic meters.
Film negatives in storage or handling should be stored in heavy Manila envelopes, not exceeding 12 films per envelope.
Film negatives should be kept in insulated vented cabinets, vaults, or detached structures, with a maximum of 110 kilograms per cabinet.
Storage exceeding 450 kilograms requires vented storage vaults or a detached structure with four-hour fire-resistive doors.
Only incandescent electric lights are permitted, protected by guards/vapor-proof globes. Portable lights and smoking are prohibited.
No films should be stored within 600 millimeters of heat sources.
First aid provisions using water or water solutions are necessary.
Discarded films should be stored and handled as normal films until removed from the premises.
These provisions do not apply to amateur photographic film in original packages less than 1.40 cubic meters, safety film, dental X-ray film, film manufacturers' storage, and films used in standard motion picture booths.

Prefabricated Construction

Prefabricated assemblies should be pre-built before incorporation into a building and subject to special tests by the Secretary for structural adequacy, durability, soundness, weather and fire resistance.
Connection devices should be robust enough to maintain the strength of the members as an integral structure.
Anchorages and connections should be capable of withstanding external and internal forces and conditions.
Allowance for material displacement during installation of pipes, conduits, or equipment should be factored into structural design.
Placement of prefabricated assemblies should be inspected for compliance with building codes.

Plastics

This section provides general guidelines for the use of plastics but does not contain specific details.

Sheet Metal Paint Spray Booths

Paint spray booths should be made of steel, minimum No. 18 U.S. gauge, and designed in accordance with building codes.
Maximum area of a paint spray booth is 150 square meters or 10% of the permitted area based on the building's occupancy group.
The floor should be incombustible.
Booths should enable free airflow and have smooth, continuous interior surfaces without protruding edges.
Booths with open fronts over 1.00 square meter lacking doors require a fire curtain or metal deflector at the upper edge.
Illumination should be provided through hammered wire or heat-treated glass panels.
Mechanical ventilation is required to the exterior.
The exhaust system should maintain an air flow rate of at least 30.00 lineal meters per minute.
Exhaust fans should be non-ferrous and mounted to prevent contact with the exhaust duct.
Motors should not be installed inside the spray booth or duct system, and belts should be enclosed where they enter those areas.
Exhaust ducts should be made of steel with a thickness defined by the Secretary. The discharge point should adhere to specified distances from combustible construction and wall openings, with exceptions for waterwash spray booths.

Signs

Signs should not obstruct views of the landscape, distract drivers, or be aesthetically offensive.
Support structures need to be maintained and kept in good repair.
Signs must be designed to withstand all forces in accordance with the National Structural Code.
Load transmissions from building signs to the ground must be designed to prevent overstressing of building elements.
Supports and anchorages should be placed on private property.
Materials for signs must adhere to building code standards.
Signs in highly restrictive Fire Zones require incombustible materials with exceptions made for ground signs.
Non-structural trim and portable display surfaces can be made of wood, metal, approved plastics, or a combination of those.
Display surfaces can be made of metal, glass, or approved plastics.
Clearances from high voltage power lines should comply with the Philippine Electrical Code.

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Description

This quiz covers the building code requirements for the use of plastic materials in ceiling light diffusers, partitions, and exterior veneers. Understand the specifications that ensure safety and compliance in various occupancy groups. Test your knowledge on the exceptions and standards for installation.