Uniform Building By-Laws 1984 (UBBL)
First Enacted: 1984
Gazetted under: Street, Drainage and Building Act 1974 (Act 133)
Latest Federal Revision: 2021
Source: Ministry of Local Government Development (KPKT)
Important Information: This document serves as the main source of reference for the gazettement of the Uniform Building
By-Laws 1984. However, this document does not have any empowerment for enforcement because it is only a model by-law. Only the Uniform Building By-Laws of each respective state has empowerment powers.
These by-laws provide comprehensive technical and legal requirements for building safety, structural soundness, sanitation, fire safety, lighting, and accessibility.
PART I - PRELIMINARY
By-law 1. Citation
States may have adopted different commencement dates for the by-laws.
By-law 2. Interpretation
The Factories and Machinery Act 1967 [Act 139] has since been repealed by the Factories and Machinery (Repeal) Act 2022.
PART IA – DEMOLITION OF BUILDINGS
By-law 2A. Application of this Part
By-law 2B. Preparation and submission of demolition plan, etc.
By-law 2C. Power of local authority to reject demolition plan and stability report
By-law 2D. Notice of commencement or resumption of building operations
By-law 2E. Methods of demolition
By-law 2F. Duties of submitting person
By-law 2G. Exemption from this Part
PART II – SUBMISSION OF PLANS FOR APPROVAL
By-law 3. Submission of plans for approval
By-law 4. Return of plan
By-law 5. Supervision of work
By-law 6. Plans to be signed
By-law 7. Withdrawal or change of principal submitting person or submitting person
By-law 8. Plans to be deposited
By-law 9. Scale of plans
By-law 10. Plans required
By-law 11. Exemption from by-law 10
By-law 12. Sketch plans for approval in principle
By-law 13. Special permission to commence building operations
By-law 14. Plans of alterations
By-law 15. Specifications
By-law 16. Details and calculations of structural plans
By-law 17. Power of local authority to reject structural plans and calculations
By-law 18. Permits
By-law 19. Temporary permits
By-law 20. Advertisement hoardings
By-law 21. Materials not to be deposited in a street without permission
By-law 22. Notice of commencement or resumption of building operations
By-law 23. (Deleted).
By-law 24. (Deleted).
By-law 25. Certificate of completion and compliance
By-law 25A. (Deleted).
By-law 26. (Deleted).
By-law 27. Partial certificate of completion and compliance
By-law 28. Offences
By-law 29. Fees for consideration of plans and for permits
PART III – SPACE, LIGHT AND VENTILATION
By-law 30. Open spaces to be provided
By-law 31. Open spaces not to be altered or roofed
By-law 32. Space about buildings abutting a street and a backlane
By-law 33. Space about buildings on lots abutting a street and having no backlane
By-law 34. Space about detached buildings
By-law 34A. Building requirements for disabled persons
By-law 35. Access from a street
By-law 36. Splayed corner
By-law 37. Projections over the street and over the building line
By-law 38. Width of footway.
By-law 38A. Energy efficiency in buildings.
By-law 38B. Protection of building structures against lightning strikes.
By-law 39. Natural lighting and ventilation.
By-law 40. Air wells.
By-law 41. Mechanical ventilation and air conditioning.
By-law 42. Minimum areas of rooms in residential buildings.
By-law 43. Minimum dimensions of latrines, water closets and bathrooms.
By-law 44. Height of rooms in residential buildings, shophouses, schools, etc.
By-law 45. Height of rooms in places of public resorts.
By-law 46. Height of rooms in other buildings.
By-law 47. Projections over a verandah-way.
PART IV - TEMPORARY WORKS IN CONNECTION WITH BUILDING OPERATIONS
By-law 48. Commencement of building operation.
By-law 49. Responsibility of person granted temporary permits.
By-law 50. Cancellation of temporary permit.
By-law 51. Vehicular access to site.
By-law 52. Rising mains to be installed progressively.
PART V - STRUCTURAL REQUIREMENTS
By-law 53. Building materials.
By-law 54. General requirements of loading.
By-law 55. Permanent and imposed loads.
By-law 56. Permanent loads calculated from weights of materials used.
By-law 57. Weight of partitions.
By-law 58. Contents of tanks and other receptacles.
By-law 59. Imposed floor loads.
By-law 60. Mechanical stacking.
By-law 61. Imposed loads on ceilings, skylights and similar structures.
By-law 62. Reductions in total imposed floor loads.
By-law 63. Imposed roof loads.
By-law 64. Curved roofs.
By-law 65. Roof coverings.
By-law 66. Internal suspended loads on primary structural members.
By-law 67. Amount of suspended load.
By-law 68. Dynamic loading.
By-law 69. Crane gantry girders.
By-law 70. Parapets and balustrades.
By-law 71. Vehicle barriers for car parks.
By-law 72. Basement walls and floors.
By-law 73. Foundations.
By-law 74. (Deleted).
By-law 75. Reinforced concrete foundations.
By-law 76. (Deleted).
By-law 76A. Buildings on hill slopes.
By-law 77. (Deleted).
By-law 78. Foundations below invert of drains.
By-law 79. Foundations under external and party walls.
By-law 80. Structure above foundations.
PART VI - CONSTRUCTIONAL REQUIREMENTS
By-law 81. Building site.
By-law 82. Drainage of subsoil.
By-law 83. Protection against soil erosion, etc.
By-law 84. Prevention of dampness.
By-law 85. Nominal thickness of walls.
By-law 86. Party walls.
By-law 87. (Deleted).
By-law 88. Recess.
By-law 89. (Deleted).
By-law 90. Underpinning.
By-law 91. Coping, etc., to be impervious.
By-law 92. (Deleted).
By-law 93. Measurement of the length of a wall.
By-law 94. (Deleted).
By-law 95. External panel walls.
By-law 96. Non load-bearing partition.
By-law 97. (Deleted).
By-law 98. Fences and boundary walls.
By-law 99. Cooking facilities in residential buildings.
By-law 100. (Deleted).
By-law 101. Boilers, fireplaces, forges and incinerators in factories.
By-law 102. Combustible materials adjoining smoke flues.
By-law 103. (Deleted).
By-law 104. (Deleted).
By-law 105. Space below floors to be ventilated.
By-law 106. Dimensions of staircases.
By-law 107. Handrails.
By-law 108. Maximum flights.
By-law 109. Winders.
By-law 110. No obstruction in staircases.
By-law 111. Lighting and ventilation of staircases.
By-law 112. Enclosure of staircases in a shop.
By-law 113. Use of timber staircases.
By-law 114. (Deleted).
By-law 115. Roof coverings and drainage with a rainwater harvesting and utilisation system (SPAH).
By-law 116. Accessible flat roofs, balconies, etc.
By-law 117. Access to roof space.
By-law 118. (Deleted).
By-law 119. Change of use of building.
By-laws 120-123. (Deleted).
By-law 124. Lifts.
By-law 125. Swimming pools.
By-law 126. Steps and footway.
By-law 127. Openings into swimming pool.
By-law 128. Depth of water.
By-law 129. Location of diving boards.
By-law 130. Changing rooms.
By-law 131. Footbaths and shower.
By-law 132. Private, residential swimming pools.
PART VII - FIRE SAFETY INSTALLATION REQUIREMENTS
By-law 133. Interpretation.
By-law 134. Designation of purpose groups.
By-law 135. Rules of measurement.
By-law 136. Provisions of compartment walls and compartment floors.
By-law 136A. Use of fire shutters.
By-law 137. Compartmentation by height.
By-law 138. Other walls and floors to be constructed as compartment walls or compartment floors.
By-law 138A. Partition.
By-law 139. Separation of fire risk areas.
By-law 140. Fire appliances access.
By-law 141. Separating walls.
By-law 142. External walls.
By-law 143. Beam or column.
By-law 144. Cladding on external wall.
By-law 145. Reference to Sixth Schedule.
By-law 146. Relevant boundary.
By-law 147. Construction of separating wall.
By-law 148. Special requirements as to compartment walls and compartment floors.
By-law 149. Horizontal and vertical barriers of the external walls.
By-law 150. Protected shafts.
By-law 151. Ventilation to lift shafts.
By-law 152. Openings in lift shafts.
By-law 153. Smoke detectors for lift lobbies.
By-law 154. (Deleted).
By-law 155. (Deleted).
By-law 156. Protected shafts as ventilating duct.
By-law 157. Protected shafts consisting of staircase.
By-law 158. Stages in places of assembly.
By-law 159. Open stages.
By-law 160. Fire precautions in air conditioning systems.
By-law 161. Fire-stopping.
By-law 162. Fire doors in compartment walls and separating walls.
By-law 163. Half hour and one hour doors.
By-law 164. Door closers for fire doors.
By-law 165. Measurement of travel distance to exits.
By-law 166. Exits to be accessible at all times.
By-law 167. (Deleted).
By-law 168. Staircases.
By-law 169. Exit route.
By-law 170. Egress through unenclosed openings.
By-law 171. Horizontal exits.
By-law 172. Emergency exit signs.
By-law 173. Exit doors.
By-law 174. Arrangement of storey exits.
By-law 174A. Final exit.
By-law 175. Calculation of occupancy loads.
By-law 176. Computing storey exit width.
By-law 177. Computing number of staircases and staircase width.
By-law 178. Exits for institutional and places of assembly.
By-law 179. Classification of places of assembly.
By-law 180. Space standards for calculating occupancy loads.
By-law 181. Width of means of egress.
By-law 182. Rate of discharge.
By-law 183. Exit details for places of assembly.
By-law 184. Seating.
By-law 185. Gangway in places of assembly.
By-law 186. Exit doors in places of assembly.
By-law 187. Notice affixed to door or gate.
By-law 188. Travel distance in place of assembly.
By-law 189. Enclosing means of escape in certain buildings.
By-law 190. External exit staircase.
By-law 191. (Deleted).
By-law 192. Moving walks.
By-law 193. Power operated doors as means of egress.
By-law 194. Building with single staircase.
By-law 195. Staircases to reach roof level.
By-law 196. Smoke lobbies.
By-law 197. Protected lobbies.
By-law 197A. Provision of fire fighting shafts.
By-law 197B. Fire fighting access lobbies.
By-law 198. Ventilation of staircase enclosures.
By-law 199. Ventilation of staircase enclosures in buildings not exceeding 18 metres.
By-law 200. Ventilation of staircase enclosures in buildings exceeding 18 metres.
By-law 201. Staircase enclosures below ground level.
By-law 202. Pressurised system for staircases.
By-law 203. Restriction of spread of flame.
By-law 204. Classification of restriction of flame over surfaces of walls and ceilings.
By-law 205. Classification of interior finish materials.
By-law 206. Classification of surface of wall or ceiling.
By-law 207. (Deleted).
By-law 208. Reference to roofs.
By-law 209. Reference to buildings.
By-law 210. Construction of roofs.
By-law 211. Roofing materials.
By-law 211A. Materials for construction.
By-law 212. Category designation for fire penetration and spread of flame on roof surface.
By-law 213. Fire resistance.
By-law 214. Additional requirements.
By-law 215. Height of buildings.
By-law 216. Single storey buildings.
By-law 217. Fire resistance of structural member.
By-law 218. Compartment wall separating flat and maisonette.
By-law 219. Application of these By-laws to floors.
By-law 220. Floor area and capacity of buildings and compartments.
By-law 221. Test of fire resistance.
By-law 222. Fire resistance for walls.
By-law 223. Fire resistance for floors above ground floor.
By-law 224. Fire resistance for any element of structure.
By-law 224A. Hospital.
PART VIII - FIRE ALARM SYSTEM AND FIRE EXTINGUISHMENT SYSTEM
By-law 225. Fire alarm system and extinguishment system.
By-law 226. Automatic system for hazardous occupancy.
By-law 226A. Hose reel systems.
By-law 227. Portable fire extinguishers.
By-law 228. Sprinkler systems.
By-law 228A. Automatic fire monitoring system.
By-law 229. (Deleted).
By-law 230. Dry riser systems.
By-law 231. Wet riser systems.
By-law 232. Wet or dry riser system for buildings under construction.
By-law 233. (Deleted).
By-law 234. (Deleted).
By-law 235. Fixed extinguishing system.
By-law 236. Special hazards.
By-law 237. Fire alarm systems.
By-law 238. Fire command centre.
By-law 239. Voice communication system.
By-law 240. Electrical isolation switch.
By-law 241. Special requirements for fire alarm systems.
By-law 242. (Deleted).
By-law 243. Fire lift.
By-law 243A. Emergency mode of operation in the event of mains power failure.
By-law 243B. Fire mode of operation.
By-law 244. (Deleted).
By-law 245. Approval of Director General.
By-law 246. (Deleted).
By-law 247. (Deleted).
By-law 248. Markings on wet riser, etc.
By-law 249. Smoke control.
By-law 250. (Deleted).
By-law 251. (Deleted).
By-law 252. (Deleted).
By-law 252A. Atriums in buildings.
By-law 253. Emergency power system.
By-law 253A. Emergency lighting.
PART IX - MISCELLANEOUS
By-law 254. Buildings to which Parts VII and VIII apply.
By-law 255. Power of local authority to extend period, etc.
By-law 256. Buildings exempted.
By-law 257. Application of standard or code of practice.
By-law 258. Failure to buildings.
SCHEDULES
FIRST SCHEDULE - FEES FOR CONSIDERATION OF PLANS, PERMITS, ETC.
Half the fees set out below shall be in respect of plans for buildings used exclusively for places of religious worship, schools or for charitable purpose.
1. New buildings.
Fees for the consideration of plans submitted for approval in respect of new buildings shall be calculated as follows:
2. Buildings approved on a temporary basis and tentative sketch plans.
In respect of plans of a building submitted for approval on a temporary year to year basis and tentative sketch plans submitted for approval in principle, one half of the fees specified in paragraph 1 shall be payable.
3. Sheds with open sides.
For plans submitted for approval of a shed type of building having all its sides open, one half of the fees specified in paragraph 1 shall be payable.
4. Open basements.
For plans submitted for approval of basement exceeding 2.5 metre in height which are open on all sides (except where retaining walls occur) one half of the fees specified in paragraph 1 shall be payable.
5. Buildings of warehouse class.
For every building of the warehouse or godown class of which no part is intended for habitation (other than provision for a watchman) and which is not constructed in reinforced concrete or structural steel, one half of the fees specified in paragraph 1 shall be payable.
6. Alterations to existing buildings.
7. Wharves, bridges, etc.
For plans submitted for approval of wharves, bridges, or other special buildings, the fee payable shall be RM50.00 per 9 square metres or part thereof.
8. Retaining walls.
For plans submitted for approval of retaining walls, the fee payable shall be RM6.00 per 9 square metres or part thereof, of its total elevational area measured from the top of the footings.
9. Series or rows of building.
For a series or row of buildings of the same plan and materials, when plans are submitted for approval at the same time, a deduction of the fees specified in the preceding paragraph shall be made on the following basis:
10. Amendment plan to an approved plan.
11. Inspection of plans.
12. Permits for minor works in lieu of plans.
Fees for permits issued under by-law 18 shall be payable as follows:
For minor erections, alterations and additions under paragraph (1) thereof and for erection of any fence under paragraph (2) thereof .. .. .. .. .. RM100.00 per permit.
13. Temporary permits.
The following fees shall be payable for the temporary permits issued under by-law 19:
14. (Deleted).
15. Refund of plan fees.
16. Additional copy of notice or permit.
The fee for each additional copy of any notice, certificate or permit shall be RM100.00.
17. Work commenced before approval of plans.
In all cases where work has been commenced before plans have been approved or a permit obtained, a fee equal to ten times that specified in the relevant preceding paragraph may be charged. The payment of this enhanced fee will not exempt any person from being prosecuted by the local authority should it decide to do so.
SECOND SCHEDULE – FORMS
FORMS C-E. (DELETED).
THIRD SCHEDULE - PROVISIONS FOR MECHANICAL VENTILATION AND AIR CONDITIONING
1. Interpretation.
2. Windowless rooms.
3. Filters for exhaust air.
4. Operating theatres.
5. Openings for mechanical ventilation for air conditioning systems.
6. Filtration.
Unless otherwise specified, where air conditioning is mentioned herein, it shall be deemed to include air filtration down to a particle size of ten microns with an efficiency of not less than 70 percent arrestance.
7. Mechanical ventilation system in basement areas.
8. Projection rooms.
Cinemas or other projection rooms where photographic film is being used, processed or stored, which are situated in the internal portion of the building, and in respect of which no such external walls (or those overlooking verandahs, pavements or walkways) are present, shall be provided with mechanical ventilation or air conditioning, and all plant conveying extract or exhaust air shall not be combined in any way to other such plant serving the auditorium or any other parts of the premises.
9. Any other rooms.
Where rooms or enclosures in any building not specified in this Schedule are situated in the internal portions of the building and no such external walls (or those overlooking verandahs, pavements or walkways) are present, a minimum of one fresh air change per hour shall be provided.
10. Water closets and toilets.
Water closets, toilets, lavatories, bathrooms, latrines, urinals or similar rooms or enclosures used for ablutions which are situated in the internal portions of the building and in respect of which no such external walls (or those overlooking verandahs, pavements or walkways) are present, shall be provided with mechanical ventilation or air conditioning having a minimum of fresh air change at the rate of 0.61 cmm per square metre of floor area or ten air changes per hour, whichever is the lower.
11. Room, window, etc., air conditioning units.
Where room, window or wall air conditioning units are provided as means of air conditioning, such units shall be capable of continuously introducing fresh air.
12. Fresh air changes.
(1) The minimum scale of fresh air ventilation in conjunction with recirculated, filtered and conditioned air meeting with the requirements of ASHRAE STANDARD 62-73 shall be as follows:
(2) The minimum scale of fresh air ventilation in conjunction with the mechanical ventilation systems shall be as follows:
that all other areas shall be meet with the minimum requirements of the ASHRAE STANDARD 62-73.
FOURTH SCHEDULE - (DELETED)
FIFTH SCHEDULE - DESIGNATION OF PURPOSE GROUPS, DIMENSIONS OF BUILDINGS AND COMPARTMENTS
DESIGNATION OF PURPOSE GROUPS [By-law 134, 138]
DIMENSIONS OF BUILDINGS AND COMPARTMENTS [By-law 136]
Purpose Groups I, IV, and VII are excluded as there are no limits applicable under by-law 138.
Note 1: For single storey premises which are not protected by a sprinkler, each patient accommodation ward shall be constructed as a compartment which is having at least 1 hour fire resistance period and at least ½ hour fire resistance period door for the protection of a door opening, and it shall be provided with an automatic fire alarm system.
SIXTH SCHEDULE - CALCULATION OF PERMITTED LIMITS OF UNPROTECTED AREAS
CALCULATION OF PERMITTED LIMITS OF UNPROTECTED AREAS
PART I - GENERAL RULES
PART II - RULES FOR CALCULATION BY REFERENCE TO AN ENCLOSING RECTANGLE
TABLES TO PART II
TABLE 1 — BUILDINGS OR COMPARTMENTS OF PURPOSE GROUPS
I (Small residential), II (Institutional), III (Other Residential), IV (Office) and VII (Assembly)
TABLE 2 — BUILDINGS OR COMPARTMENTS OF PURPOSE GROUPS
V (Shop), VI (Factory) and VIII (Storage and General)
PART III - RULES FOR CALCULATION BY REFERENCE TO AGGREGATE NOTIONAL AREA
TABLE OF FACTORS
PART IV - RULES FOR CALCULATION IN RESPECT OF CERTAIN BUILDINGS OF PURPOSE GROUP I OR III
TABLE TO PART IV - PERMITTED UNPROTECTED AREAS IN CERTAIN RESIDENTIAL BUILDINGS
SEVENTH SCHEDULE - MAXIMUM TRAVEL DISTANCE, CALCULATION OF AN OCCUPANT LOAD AND CAPACITY OF AN EXIT
MAXIMUM TRAVEL DISTANCE [By-law 165(4), 166(2), 170(b), 174(1), 174A(1)(b)]
CALCULATION OF AN OCCUPANT LOAD AND CAPACITY OF AN EXIT [By-law 168(2), 170(c), 171 (3), 174(2), 175, 176, 177, 181]
NR - No requirement or not applicable.
EIGHTH SCHEDULE - CLASSIFICATION OF A RESTRICTION OF SPREAD OF FLAME OVER A SURFACE OF THE WALL AND CEILING, NOTIONAL DESIGNATION OF ROOF CONSTRUCTION
CLASSIFICATION OF A RESTRICTION OF SPREAD OF FLAME OVER A SURFACE OF THE WALL AND CEILING [By-law 204, 206]
NR -- No requirement or not applicable.
NOTIONAL DESIGNATION OF ROOF CONSTRUCTION [By-law 208(a)]
PART I - PITCHED ROOF COVERED WITH THE SLATE OR TILE
PART II - IV. (DELETED)
NINTH SCHEDULE - LIMITS OF COMPARTMENTS AND MINIMUM PERIODS OF FIRE RESISTANCE FOR ELEMENTS OF STRUCTURE, SUSPENDED CEILINGS, NOTIONAL PERIODS OF FIRE RESISTANCE
Limits of Compartments and Minimum Periods of Fire Resistance for Elements of Structure [By-law 142(3), 147, 158(1), 162, 213, 216(2)] (Minimum period of fire resistance)
PART 1 – BUILDINGS OTHER THAN A SINGLE STOREY BUILDING
PART 2 – SINGLE STOREY BUILDING
SUSPENDED CEILINGS [By-law 148(6), 219]
NOTIONAL PERIODS OF FIRE RESISTANCE [By-law 158(3), 224]
“Class 2 aggregate” means flint gravel, granite and all crushed natural stones other than limestone.
PART I - WALLS
A. Masonry construction
* Perlite-gypsum plaster to clay bricks only.
B. Framed and composite construction (non-loadbearing)
C. External walls more than 1 m from the relevant boundary (non-load bearing)
* The presence of a combustible vapour barrier within the thickness of these constructions will not affect these periods of fire resistance.
PART II - REINFORCED CONCRETE COLUMNS
PART III - REINFORCED CONCRETE BEAMS
PART IV - PRESTRESSED CONCRETE BEAMS WITH POST-TENSIONED STEEL
PART V - STRUCTURAL STEEL
A. Encased steel stanchions (mass per metre not less than 45 kg)
B. Encased steel beams (mass per metre not less than 30 kg)
PART VI - STRUCTURAL ALUMINIUM
Encased aluminium alloy stanchions and beams (mass per metre not less than 16 kg)
PART VII - TIMBER FLOORS
PART VIII - CONCRETE FLOORS
Where a column relating to ceiling finish contains no entry opposite a specification, the notional period of fire resistance specified in that column is not applicable.
PART IX - MINIMUM FLAME-SPREAD CLASSIFICATION OF MATERIAL CONSTRUCTION (HOMOGENOUS)*
TENTH SCHEDULE - TABLE OF REQUIREMENT FOR THE FIRE ALARM SYSTEM AND FIRE EXTINGUISHMENT SYSTEM
TABLE OF REQUIREMENT FOR THE FIRE ALARM SYSTEM AND FIRE EXTINGUISHMENT SYSTEM [By-law 225 (1), 226A, 227, 228, 237, 238, 239]
The hazardous area or process area within any building referred to in Group VI or VIII are the following areas:
The letter in the second column of this Schedule refer to the type of a fixed extinguishing system, as follows:
The figure in the third column of this Schedule refer to the type of a fire alarm system as follows:
Type of emergency illumination:
FORMS A & B. (DELETED).
ELEVENTH SCHEDULE - STAIRCASE LANDING WIDTH OR DEPTH
* Clear landing depth, instead of the clear stairs width, shall be taken for the purpose of calculating the exit capacity of a staircase.