BANGLADESH NATIONAL. BUILDING CODE. Inbri Housing and Building Research Institute .. LIST OF PARTICIPANTS OF THE WORKSHOP ON BNBC. Bangladesh national Building Code Part 1 – Download as PDF File .pdf), Text BNBC Part 03 – General Building Requirements, Control and Regulation. Bangladesh National Building Code BNBC. Copyright: © All Rights . buildings and structures or their components regulated by this code. Reinforcing bars otherwise conforming to BDS ISO ‐, shall also possess material.

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In floors and areas where no repair works are carried out may be surfaced or waterproofed with asphaltic paving materials.

Bangladesh National Building Code

Mechanized ventilation system of approved quality shall be installed where required. Buildings up to two storeys high shall have accessible roof with an exterior stair.

The working space between the machines when more than one machine ntional used shall not be less than 0. Any chemical used for the control of rats and termite shall be free from environmental hazards.

For buildings of height two storeys or less the roof shall be accessible with an exterior stair. The hazard shall generally mean the relative danger of the start of fire and the rapidity of its spread, the danger of smoke and gases generated that pose a potential threat to the safety of the occupants of the building. Toxic substances Division 6. The devices that generate a spark, flame or glow capable of igniting gasoline shall not be installed or used within 0.

The material used in the drains shall be suitable for drainage of the storage materials. Footing, mat or raft foundations, piles, pile caps, columns, grade beams and bracings may be constructed below the design surge height.

Educational Facilities This occupancy type shall include any building or portion thereof in which education, training and care are provided to children or adults.

The vents shall be designed to relieve at a maximum internal pressure of 1. Toxic and Infectious Substances Division 6. A chemical that has median lethal dose of mg or less per kg of body weight when administered by continuous contact for 24 hours or less if death occurs within 24 hours with the bare skin of albino rabbits weighing between 2 and 3 kg each.

Any material or combination of materials that spontaneously emit ionizing radiation. These buildings shall ordinarily provide accommodation for sleeping, dining and other provisions approved by the authority for the occupants. In any case the ceiling height and the head room clearance of a production floor shall not be less than 3. The ceiling height of the production area, shall confirm to the minimum volume required per workers as specified by the Bangladesh Labor Act, and other laws of the land.


Buildings having three storeys or more height, the floor immediately above the design flood level shall be accessible with an exterior stair.

Oxidizing Substances and Organic Peroxides Division 5. Banglaresh solid including blasting agent or explosive that is liable to cause fire through absorption of moisture, spontaneous chemical change or retained heat from manufacturing or processing, or which when ignited burns so vigorously and persistently as to create a serious hazard. If piled foundations are used, they shall be designed to withstand with adequate factor of safety the loss of support due to scour.

Miscellaneous Dangerous Substances and Articles The quantity and procedure for storage, merchandising, handling, processing, packaging, transportation, shipment and uses of all dangerous goods of above classification shall be regulated as per guidelines of Explosive Act and other relevant Acts and as per rules of Bangladesh Shipping Corporation for safe handling of container for dangerous goods.

Bangladesh National Building Code Pages – – Text Version | AnyFlip

Flammable solids, self-reactive substances and solid Division 4. Some of these classes are subdivided into divisions also. Explosion venting shall be designed in exterior walls or roof only. Any such building or portion thereof, which is not using hazardous material quantified and categorized in occupancy group J, shall be subdivided as follows: Depending upon the degree of hazard involved, this occupancy type may have separate and isolated structure.

Periodic inspections shall be undertaken for effective protection against rats and termites.

All openings in such enclosures shall be protected with fire assembly door or window having fire resistance rating of at least one and one-half hour. This occupancy shall be subdivided as follows: There shall be one floor level ventilator and one roof level ventilator for every 0. For every additional persons the exit shall be designed to accommodate provision f given below. The storage and use of all such substances and goods shall be controlled as per provision of this Code and explosive control act.

Bangladesh National Building Code Part 3 General Building Requirements, Control and Regulation i Pyrophoric solids or liquids not exceeding 3 m3 in storage cabinet located in a building that is equipped throughout with an automatic sprinkler system provided in accordance with the fire protection provisions of this Code. F Grain Driving ranges G Milling or processing Exit requirements shall comply with Chapter 3 of Part 4.


I Picture framing stores Raw, manufacture The floors and spaces where motor vehicles are stored, repaired or operated shall be of noncombustible, liquid-tight construction. For two or more buildings on the same plot, distances of imaginary lines equidistant from all side of buildings shall be considered as the required fire separation distances. Exit requirements shall comply with the requirements of Chapter 3, Part 4.

Minimum width considered for a seat in the gallery shall be 0. Structural or non-structural members serving as entries or exits may be constructed below design surge height.

Such rooms or groups of rooms shall comply with the requirements of fire protection as specified in Part 4, Chapters 4 and 5. The three hour fire resistive separation wall or slab shall provide a fire resistance of not less than three hour. Mercantile This occupancy type shall include any building or portion thereof or group of buildings which is used for display and sale of merchandises. There shall be an average clearance of 4 m surrounding and at the level of the landing area which shall not be less than 2 m at any point.

A stage is a three side enclosed or partially enclosed portion of a building which is designed or used for presentation of plays or lectures or other entertainment. Every bailer, central heating plants, electrical rooms, or cofe water supply boiler shall be separated from the rest of the occupancy or use by not less than two hour fire resistive construction.

Bangladesh National Building Code

Industrial buildings having roof opening for day lighting and natural ventilation shall comply with the following requirements: Ventilators of size not less than 0. The venting shall be provided to prevent serious structural damage and production of lethal projectiles. All plumbing installations shall be maintained and inspected periodically to keep them in operative conditions.

A chemical or substance that causes a substantial proportion of exposed people or animals to develop an allergic reaction in normal tissue after repeated exposure.