PREFACE Building Regulations had been in use by various Municipal istrations from about the 1940s, and in 1960, the then West African Building Research Institute (WABRI) published, a Part III of the Code dealing with ‘loads’ , to be used in civil engineering structures. By the early 1970s the Code and Building Regulations were obviously out of date and the Building and Road Research Institute (BRRI) of the Council for Scientific and Industrial Research (CSIR) decided to produce a draft document, for discussion, modification and use as a basis for a final Code to address the redundancy of the earlier documents. The effort was undertaken by Dr. K. Amonoo‐Neizer and Part 3 and 4 of the Draft Code was published in 1977, followed by the Parts 1, 2 and 5 by 1988. With changes in land use patterns, materials and construction methods and local government structure, the Ministry of Works and Housing had produce, a document – National Building Regulations, 1996‐ which was gazetted as LI 1630. This document was to improve upon the Building Regulations of the Colonial times and to complement the BRRI Draft Building Code. The present effort is to produce a Draft Building Code which will take in, all the requirements of the existing building regulations and the BRRI Draft Building Code and be in tune with requirements of a building code to answer current land use patterns, materials for construction, construction methods, construction management practices, safety and energy efficient use of resources. This document, the Draft Ghana Building Code (2012) has been compiled under the auspices of the Ministry of Water Resources, Works and Housing (MWRWH) with funding from the UNDP, through the National Disaster Management Organization (NO). A technical committee made up of representatives of relevant stake‐holding institutions (as given below) compiled the document, using the BRRI Draft Building Code, the national Building Codes of India (2005) and Canada as templates. ACKNOWLEDGEMENT The of the United Nations Development Programme (UNDP), the MWRWH, NO, the CSIR‐ BRRI and Dr. K. Amonoo‐Neizer are gratefully acknowledged. 1
DRAFT GHANA BUILDING CODE (2012) TECHNCIAL COMMITTEE Chairman ‐ Ing. John Tettey Ministry of Water Resources, Works and Housing (MWRWH) Organization Representative(s) MWRWH Ing. John Tettey 1. ‐ 2. 3. 4.
CSIR‐Building and Road Research Institute (CSIR‐BRRI) Ghana Standards Authority (GSA) Ghana Institution of Geo‐Scientists
‐
Surv. Louis Lawerteh
‐
Arch. C. Pobee‐Abbey
‐ ‐ ‐ ‐ ‐
Ing. K.A. Solomon‐Ayeh Surv. E. Osei‐Tutu Ing. William Nimako Mr. Eric Acheampong Rev. Fr. Samuel Wood
5.
Ghana Institution of Surveyors
‐
Surv. G.A. Atieku
6.
Ghana Institute of Architects
‐
Arch. Osei Kwame Agyemang
7.
Ghana Institution of Engineers
‐
Ing. Seth Attipoe‐Denya
8.
Ghana Institution of Planners
‐
Mr. Sylvester Adda Pwalia
9.
Ghana National Fire Service
‐
David Sam Afful
10.
Electricity Company of Ghana
‐
Arc. Tei Okletey
11. 12. 13.
Ministry of Local Government and Rural Development (MLGRD) Architectural and Engineering Services Limited (AESL) National Disaster Management Organization (NO) Consultants
‐ Mrs. Levina Owusu ‐ Arch. Eric Ansah ‐ Mr. Joseph Ankrah ‐ Mr. P.Y. Amoako Ing. K.A.Solomon‐Ayeh Ing. Dr K.Amonoo‐Neizer 2
3
Guide to the Use of the Code The Ghana Building Code contains regulations which can be immediately adopted or enacted for use by various departments, metropolitan, municipal and district assemblies, private and public bodies. It lays down a set of minimum regulations designed to protect the safety of the public with regard to structural efficiency, fire hazards and health aspects of buildings. So long as these basic requirements are met, the choice of materials and methods of design and construction is left to the ingenuity of the building professionals. The Code achieves the foregoing by covering aspects of istrative regulations; development control rules and general building requirements; stipulations regarding structural loads and design; materials; building services; measures to ensure safety of workers and the public during construction and rules for erection of signs and outdoor display structures. As with other building codes, this code is not intended to be a textbook on building design; advice upon which should be sought from professional sources. The present Code is a modification of the BRRI Draft Building Code in the following areas: 1) A summary of definitions as contained in various Parts of the Code, with reference to where such definitions will be found. 2) A new section (Part 4) on Development Control Rules and General Building Requirements. 3) A new section (Part 8) on acceptable materials for use in building in Ghana and standards by which they will be assessed. 4) A new section (Part 9) on Building Services. 5) A new section on Energy Efficiency and Sustainability (Part 10), setting out the requirements and recommendations for the energy efficient use of service appliances and other equipment installed in buildings. The contents of this section are extensively expanded on in Part 9. 6) A new section (Part 11) on Health, Safety and the Environment. The arrangement of the present Code and BRRI Draft Building Code are shown in Table 1. 4
Table 1:
Comparison of contents of 1988 and 2012 Building Codes
BRRI Building Code (1988)
Draft Ghana Building Code (2012)
Part 1
Title
Title
Part
istration
1
Scope and Definition
Use and Occupancy
2
istration
3
Use and Occupancy
4
Development Control, Rules and general building requirements
2
3
Structural Loads and Procedures
4
Foundations
5
Structural loads and design
5
Housing and Small Buildings
6
Foundations
7
Housing, Small and Rural Buildings
8
Materials and Standards
9
Building Services
10
11
Energy Efficiency and Sustainability Constructional Practices, Safety and the Environment
5
Numbering System of Code A decimal numbering system has been used throughout the Code. The first number (or the first two numbers in Part 9) indicates the Part of the Code. The second number indicates the section in the Part, the third, the sub‐section and the fourth the Article in the sub‐section. An article may further be broken into sentences (indicated by numbers in brackets) and sentences further divided into clauses and sub‐ clauses. These are illustrated as follows: 3.
Part
3.5
Section
3.5.1
Sub‐section
3.5.1.6
Article
3.5.1.6 (1)
Sentence
3.5.1.6 (1) (e)
Clause
3.5.1.6 (1) (e) (i)
Sub‐clause
Abbreviations GS … Ghana Standards GHA S … Ghana Highway Authority Standards GBC … Ghana Building Code BS … British Standards BS EN … British European Standards IS … Indian Standards 6
TABLE OF CONTENTS OF CODE
PART 1
‐
SOE AND DEFINITIONS 21
PART 2
‐
ISTRATION
28
PART 3
‐
USE AND OCCUPANCY
126
PART 4
‐
DEVELOPMENT CONTROL RULES AND GENERAL
BUILDING REQUIREMENTS
82
PART 5
‐
STRUCTURAL LOADS AND DESIGN
42
PART 6
‐
FOUNDATIONS
13
PART 7
‐
HOUSING AND SMALL BUILDINGS
66
PART 8
‐
MATERIALS AND STANDARDS
4
PART 9
‐
BUILDING SERVICES
413
PART 10
‐
ENERGY EFFICIENCY AND SUSTAINABILITY
4
PART 11
‐
CONSTRUCTIONAL PRACTICES, SAFETY AND THE ENVIRONMENT
NO. OF PAGES
98
7
PART 1: DEFINITIONS 1.0 SCOPE 1.1 This Code or by‐law may be cited as the Ghana Building Code (2012) 1.2 This Code applies to the design, construction and occupancy of new buildings, and the alteration, reconstruction, demolition, removal, re‐location and occupancy of existing buildings and the services within these buildings. 2.0 DEFINITIONS OF WORDS AND PHRASES 2.1 This part lists the appearing in all Parts/Sections of the Ghana Building Code (2012). The have been arranged in alphabetical order. The Parts/Sections in which these are appearing, have been indicated against the .
A
– Part 5/Section 5.9
Access ( Exit) – Part 2/Section 1.2
Apparatus – Part 9.2/Section 2.1
Access – Part 9.6/Section 2.1
Appliance – Part 9.2/Section 2.1
Accessory – Part 9.2/Section 2.1
Appliance valve – Part 9.7/Section 2
Accessory use – Part 2/Section 1.2
Approach Funnel – Part 4/Appendix A
Aerodrome Reference Point (ARP)
Approved – Part 2/Section 1.2
– Part 4/Appendix A
Atmospheric pressure – Part 9.3/Section 2
Aging – Part 4/Appendix E
Audible Frequency Range – Part 9.4/Section 2
Air conditioning ‐ Part 9.3/Section 1.2
Automatic rescue device – Part 9.5/Section 2
Air gap – Part 9.6/Section 2
Authority having jurisdiction – Part 1/Sect. 1. 2
Air valve – Part 9.6/Section 2
Available head – Part 9.6/Section 2
Alteration – Part 2/Section 1.2
A – Weighted Sound Pressure, PA
Altitude (Ѳ) – Part 9.1/Section 2.1
‐ Part 9.4/Section 2
Ambient Noise – Part 9.4/Section 2
A – Weighted Sound Pressure Level
Angle of attack/incidence (α)
‐ Part 9.4/Section 2 8
Azimuth (Φ) – Part 9.1/Section 2.1
– Part 9.6/Section 2.1
Branch ventilating pipe (BVP)
B
– Part 9.6/Section 2.1
Backflow – Part 9.6/Section 2.1
Branch waste pipe (BWP)
Backflow prevention device
– Part 9.6/Section 2.1
– Part 9.6/Section 2.1
Breadth (b) – Part 5/Section 5.9
Background noise – Part 9.4/Section 2
Break‐in – Part 9.4/Section 2
Back up – Part 9.6/Section 2.1
Break out – Part 9.4/Section 2
Balcony – Part 4/Section 2.1
Brightness ratio or contrast
Baluster – Part 9.5/Section 2
– Part 9.1/Section 2.1
Balustrade – Part 9.5/Section 2
Broad band noise – Part 9.4/Section 2
Barrel – Part 9.6/Section 2.1
Buffer – Part 9.5/Section 2
Base – Part 9.6/Section 2.1
Building – Part 2/Section 1.2
Basement or cellar – Part 4/Section 2.1
Building drain, combined
Basement storey – Part 3/Section 1.2
– Part 9.6/Section 2.1
Battery of fixtures – Part 9.6/Section 2.1
Building drain, sanitary
Bedding – Part 9.6/Section 2.1
– Part 9.6/Section 2.1
Benching – Part 9.6/Section 2.1
Building drain, storm
Bottom car runby – Part 9.5/Section 2
– Part 9.6/Section 2.1
Bottom counterweight runby
Building, height of – Part 2/Section 1.2
‐ Part 9.5/Section 2
Building line – Part 2/Section 1.2
Branch – Part 9.6/Section 2.1
Buildings Related Illnesses (BRI)
Branch soil pipe (BSP)
‐ Part9.3/Section 2
– Part 9.6/Section 2.1
Building sewer – Part 9.6/Section 2.1
Branch soil waste pipe (BSWP)
Building sub‐drain – Part 9.6/Section 2.1 9
Building trap – Part 9.6/Section 2.1
Chair – Part 9.6/Section 2.1
Bunched – Part 9.2/Section 2.1
Channel – Part 9.6/Section 2.1
C
Chute – Part 9.6/Section 2.1
Cabin – Part 4/Section 2.1
Cistern – Part 9.6/Section 2.1
Cable – Part 9.2/Section 2.1
Cleaning eye – Part 9.6/Section 2.1
Cable, armoured – Part 9.2/Section 2.1
Clear design sky – Part 9.1/Section 2.1
Cable, flexible – Part 9.2/Section 2.1
Clear waste water – Part 9.6/Section 2.1
Cable, metal‐sheathed – Part 9.2/Section 2.1
Cleat – Part 9.2/Section 2.1
Cable, PVC sheathed‐insulated
Colour Rendering Index (CRI)
– Part 9.2/Section 2.1
– Part 9.1/Section 2.1
Cable, weatherproof – Part 9.2/Section 2.1
Collection chamber – Part 9.6/Section 2.1
Cable, XLPE – Part 9.2/Section 2.1
Common stairway – Part 7/Section 7.2.1
Call indicator – Part 9.5/Section 2
Communication pipe – Part 9.6/Section 2.1
Candela (c/d) – Part 9.1/Section 2.1
Compartment – Part 3/Section 1.2
Car bodywork – Part 9.5/Section 2
Compartment wall and compartment floor
Car door electric – Part 9.5/Section 2
– Part 3/Section 1.2
Car frame – Part 9.5/Section 2
Conductor, aerial – Part 9.2/Section 2.1
Car platform – Part 9.5/Section 2
Conductor, bare – Part 9.2/Section 2.1
Carpet area – Part 4/Section 2.1
Conductor, earthed – Part 9.2/Section 2.1
Ceiling rose – Part 9.2/Section 2.1
Conductor, insulated – Part 9.2/Section 2.1
Circuit – Part 9.2/Section 2.1
Conductor of a cable or core
Circuit breaker – Part 9.2/Section 2.1
– Part 9.2/Section 2.1
Circuit, final sub – Part 9.2/Section 2.1
Connection – Part 9.6/Section 2.1
Central field – Part 9.1/Section 2.1
Connector – Part 9.2/Section 2.1
Cesspool – Part 9.6/Section 2.1
Connector box or t box 10
– Part 9.2/Section 2.1
D
Connector for portable appliances
Damp situation – Part 9.2/Section 2.1
– Part 9.2/Section 2.1
Daylight area – Part 9.1/Section 2.1
Construction equipment – Part 11/Section 4.2.1
Daylight factor – Part 9.1/Section 2.1
Consumer – Part 9.6/Section 2.1
Daylight penetration – Part 9.1/Section 2.1
Consumer’s pipe – Part 9.6/Section 2.1
Dead – Part 9.2/Section 2.1
Consumer’s terminals – Part 9.2/Section 2.1
Dead loads – Part 5/Section 2.1
Control – Part 9.5/Section 2
Decibels – Part 9.4/Section 2
Conversion – Part 2/Section 1.2
Deep manhole – Part 9.6/Section 2.1
Cooking alcove – Part 4/Section 2.1
Deflector sheave – Part 9.5/Section 2
Cord, flexible – Part 9.2/Section 2.1
Density – Part 4/Section 2.1
Core of a cable – Part 9.2/Section 2.1
Depth (D) – Part 5/Section 5.9
Correlated Colour Temperature (CCT)
Depth of manhole – Part 9.6/Section 2.1
– Part 9.1/Section 2.1
Detached building – Part 4/Section 2.1
Courtyard – Part 4/Section 2.1
Development – Part 2/Section 1.2
Counterweight – Part 9.5/Section 2.1
Dewpoint temperature – Part 9.3/Section 2
Cover – Part 9.6/Section 2.1
Diameter – Part 9.6/Section 2.1
Covered area – Part 4/Section 2.1
Direct solar illuminance – Part 9.1/Section 2.1
Cross‐connection – Part 9.6/Section 2.1
Direct earthing system – Part 9.2/Section 2.1
Cross‐talk – Part 9.4/Section 2
Direct tap – Part 9.6/Section 2.1
Crown of trap – Part 9.6/Section 2.1
Disabilities of Inco‐ordination
Customer’s/consumer’s connection
– Part 4/Appendix E
– Part 9.7/Section 2
Distance area /Resistance area (for earth electrode only) – Part 9.2/Section 2.1
Cut‐out – Part 9.1/Section 2.1
Discrimination/Over‐ current Discrimination 11
– Part/Section 2.1
Earth leakage circuit breaker system
Door – Part 3/Section 1.2, Part 9.5/Section 2
– Part 9.2/Section 2.1
Door closer – Part 9.5/Section 2
Earthquake loads – Part 5/Section 2.1
Door operator – Part 9.5/Section 2
Effective Perceived Noise Level in decibels (EPN dB) – Part 9.4/Section 2
Downtake tap – Part 9.6/Section 2.1 Drain – Part 2/Section 1.2 Drain ventilating pipe (DVP) – Part 9.6/Section 2.1 Drainage – Part 2/Section 1.2 Drainage work – Part 9.6/Section 2.1 Drop connection – Part 9.6/Section 2.1 Drop manhole – Part 9.6/Section 2.1 Dry‐bulb temperature – Part 9.3/Section 2 Duct system – Part 9.3/Section 2 Dump waiters – Part 9.5/Section 2 Dwelling unit/Tenement – Part 4/Section 2.1 Dynamic Pressure of wind – Part 5/Section 5.9
E
Effective opening – Part 9.6/Section 2.1 Effective Frontal area (Ae) – Part 5/Section 5.9 Electrical and mechanical interlock – Part 9.5/Section 2 Electro‐mechanical lock – Part 9.5/Section 2 Element of structure – Part 3/Section 1.2 Element of surface area – Part 5/Section 5.9 Elevation or Reduced level – Part 4/Appendix A Emergency stop push or switch – Part 9.5/Section 2 Enclosed distribution board – Part 9.2/Section 2.1 Enthalpy – Part 9.3/Section 2
Earth – Part 9.2/Section
Equivalent continuous A‐weighted sound pressure level, LAeg.T ‐ Part 9.4/Section 2
Earth continuity conductor
Equivalent sound absorption area of a room
– Part 9.2/Section 2.1
– Part 9.4/Section 2
Earth electrode – Part 9.2/Section 2.1
Escalator – Part 9.5/Section 2
Earth fault – Part 9.2/Section 2.1
Escalator installations – Part 9.5/Section 2
Earthing lead – Part 9.2/Section 2.1
Escalator landing – Part 9.5/Section 2 12
Escalator landing zone – Part 9.5/Section 2
Floor Area Ratio (FAR) – Part 4/Section 2
Escalator machine – Part 9.5/Section 2
Floor hole – Part 11/Section 4.2.1
Exit – Part 4/Section 2.1
Floor leveling switch – Part 9.5/Section 2
Exposed metal – Part 9.2/Section 2.1
Floor opening – Part 11/Section 4.2.1
Externally non‐combustible – Part3/Section 1.2
Floor selector – Part 9.5/Section 2
External Reflected Component (ERC)
Floor stopping switch – Part 9.5/Section 2
– Part 9.1/Section 2.1
Flushing cistern – Part 9.6/Section 2.1
Evaporative air cooling – Part 9.3/Section 2
Formation – Part 9.6/Section 2.1
Force coefficient (Cf) – Part 5/Section 5.9
F
Free‐field level – Part 9.4/Section 2
Façade level – Part 9.4/Section 2
French drain/rubble drain
Feed cistern – Part 9.6/Section 2.1
– Part 9.6/Section 2.1
Fire damper – Part 9.3/Section 2
Frequency – Part 9.4/Section 2
Fire separation – Part 4/Section 2
Fuse – Part 9.2/Section 2.1
Fire separation wall – Part 9.3/Section 2
Fuse‐element – Part 9.2/Section 2.1
Fire stop – Part 3/Section 1.2
Fire survival cable – Part 9.2/Section 2.1
G
Fitting, lighting – Part 9.2/Section 2.1
Gallery – Part 4/Section 2.1
Fittings – Part 9.6/Section 2.1
Garage, private – Part 4/Section 2.1
Fixture unit – Part 9.6/Section 2.1
Garage, public – Part 4/Section 2.1
Fixture unit drainage – Part 9.6/Section 2.1
Gas fitter – Part 9.7/Section 2
Flameproof enclosure – Part 9.2/Section 2.1
Geared machine – Part 9.5/Section 2
Flame retardant cable – Part 9.2/Section 2.1
Gearless machine – Part 9.5/Section 2
Float operated valve – Part 9.6/Section 2.1
General washing place – Part 9.6/Section 2.1
Floor – Part 4/Section 2
Geyser – Part 9.6/Section 2.1 13
Glare – Part 9.1/Section 2.1
Highway authority – Part 9.6/Section 2.1
Global Warming Potential (GWP)
Hoisting beam – Part 9.5/Section 2
– Part 9.3/Section 2
Horizontal pipe – Part 9.6/Section 2.1
Goods lift – Part 9.5/Section 2
Hospital lift – Part 9.5/Section 2
Ground roughness – Part 5/Section 5.9
Hot water tank – Part 9.6/Section 2.1
Ground storey – Part 3/Section 1.2
Hydronic systems – Part 9.3/Section 2
Group housing – Part 4/Section 2.1
Guard railing – Part 11/Section 4.2.1
I
Guide rails – Part 9.5/Section 2
Illuminance – Part 9.1/Section 2.1
Guide rails fixing – Part 9.5/Section 2
Impact sound pressure level, Li
Guide rails shoe – Part 9.5/Section 2
– Part 9.4/Section 2
Gully chamber – Part 9.6/Section 2.1
Imposed (Live) loads – Part 5/Section 5.2
Gully trap – Part 9.6/Section 2.1
Indoor Air Quality (IAQ) – Part 9.3/Section 2
Indoor ambient noise – Part 9.4/Section 2
H
Inflammable – Part 9.2/Section 2.1
Habitable room – Part 4/Section 2.1
Infiltration/exfiltration ‐ Part 9.3/Section 2
Harmonics (current and voltage)
Inlet – Part 9.6/Section 2.1
– Part 9.2/Section 2.1
Insertion Loss (LIL) – Part 9.4/Section 2
Haunching – Part 9.6/Section 2.1
Inspection chamber – Part 9.6/Section 2.1
Heel rest bend/duck‐foot bend
Installation (electrical), of buildings
– Part 9.6/Section 2.1
– Part 9.2/Section 2.1
Hearing disabilities – Part 4/Appendix E
Insulated – Part 9.2/Section 2.1
Height of building (H) – Part 3/Section 1.2
Insulation, basic – Part 9.2/Section 2.1
Part 5/Section 5.9
Insulation, double – Part 9.2/Section 2.1
High altitudes – Part 9.6/Section 2.1
Insulation (electrical) – Part 9.2/Section 2.1 14
Insulation, reinforced – Part 9.2/Section 2.1
Lift – Part 4/Section 2.1
Insulation, supplementary
Lift car – Part 9.5/Section 2
– Part 9.2/Section 2.1
Lift landing – Part 9.5/Section 2
Interceptor – Part 9.6/Section 2.1
Lift machine – Part 9.5/Section 2
Interceptor manhole/interceptor chamber
Lift pit – Part 9.5/Section 2
– Part 9.6/Section 2.1
Lift well – Part 9.5/Section 2
Internal Reflected Component (IRC)
Lift well enclosure – Part 9.5/Section 2
– Part 9.1/Section 2.1
Light Output Ratio (LOR)/Efficiency (η)
Invert – Part 9.6/Section 2.1
– Part 9.1/Section 2.1
Linked switch – Part 9.2/Section 2.1
J
Live/Alive – Part 9.2/Section 2.1
Junction pipe – Part 9.6/Section 2.1
Live (Imposed) loads – Part 5/Section 2.1
L
Locations, industrial – Part 9.2/Section 2.1
Lagging – Part 9.6/Section 2.1
Locations, non‐industrial – Part 9.2/Section 2.1
Landing call push – Part 9.5/Section 2
Loft – Part 4/Section 2.1
Landing door – Part 9.5/Section 2
Lumen (lm) – Part 9.1/Section 2.1
Landing zone – Part 9.5/Section 2
Luminance – Part 9.1/ Section 2.1
Ledge – Part 4/Section 2.1
Luminous flux (Φ) – Part 9.1/Section 2.1
Length (l) – Part 5/Section 5.9
Levelling devices – Part 9.5/Section 2
M
Levelling zone – Part 9.5/Section 2
Main soil pipe (MSP) – Part 9.6/Section 2.1
Licensed Architect/Engineer/Structural Engineer/Supervisor/Town Planner
Main soil and waste pipe (MSWP)
– Part 2/Section 1.2 Licensed plumber – Part 9.6/Section 2.1
– Part 9.6/Section 2.1 Maintenance Factor (d) – Part 9.1/Section 2.1 Main ventilating pipe (MVP) 15
– Part 9.6/Section 2.1
Notional width – Part 7/Section 7.2.1
Main waste pipe (MWP) – Part 9.6/Section 2.1
Manhole – Part 9.6/Section 2.1
O
Manhole chamber – Part 9.6/Section 2.1
Occupancy/Use group – Part 2/Section 1.2
Material handling hoist – Part 11/Section 4.2.1
Occupier – Part 2/Section 1.2
Meridian – Part 9.1/Section 2.1
Octave band – Part 9.4/Section 2
Mezzanine floor – Part 4/Section 2.1
Offset – Part 9.6/Section 2.1
Miniature circuit breaker – Part 9.2/ Section 2.1
Open carport – Part3/Section 1.2
Multiple earthed neutral system
Open space – Part 4/Section 2.1
– Part 9.2/Section 2.1
Open space, front – Part 4/Section 2.1
Open space, rear – Part 4/Section 2.1
N
Open space, side – Part 4/ Section 2.1
Neutral conductor – Part 9.2/Section 2.1
Operation – Part 9.5/Section 2
Noise – Part 9.4/Section 2
Operating device – Part 9.5/Section 2
Noise Exposure Forecast (NEF)
Operational construction – Part 2/Section 1.2
–Part 9.4/Section 2
Orientation of buildings – Part 9.1/Section 2.1
Noise Rating (NR) – Part 9.4/Section 2
Overhead beams ‐ ‐Part 9.5/Section 2
Noise Reduction Co‐efficient (NRC)
Over speed governor – Part 9.5/Section 2
– Part 9.4/Section 2
Owner – Part 2/Section 1.2
Non‐Ambulatory Disabilities
Ozone Depletion Potential (ODP)
– Part 4/Appendix E
– Part 9.3/Section 2
Non‐service latrine – Part 9.6/Section 2.1
P
Normalized Impact Sound Pressure Level, Ln
Parallel step – Part 7/Section 7.2.1
– Part 9.4/Section 2
Parapet – Part 4/Section 2.1
North and South points – Part 9.1/Section 2.1
Parking space – Part 4/Section 2.1 16
Partition – Part 4/Section 2.1
Positive ventilation – Part 9.3/Section 2
Percentile level, LAN,T – Part 9.4/Section 2
Potable water – Part 9.6/Section 2.1
enger lift – Part 9.5/Section 2
Premises – Part 9.6/Section 2.1
Period of supply – Part 9.6/Section 2.1
Pressure coefficient – Part 5/Section 5.9
Peripheral field – Part 9.1/Section 2.1
Pressure regulator – Part 9.7/Section 2
Permit – Part 2/Section 1.2
Private staircase – Part 7/Section 7.2.1
Permitted limit of unprotected area
Protected shaft – Part 3/Section 1.2
– Part 3/Section 1.2
Psychrometry – Part 9.3/Section 2
Pile rig – Part 11/Section 4.2.1
Psychrometric chart – Part 9.3/Section 2
Pilot – Part 9.7/Section 2
Puff ventilation – Part 9.6/Section 2.1
Pink noise – Part 9.4/Section 2
Pure tone – Part 9.4/Section 2
Pipe system – Part 9.6/Section 2.1
Purge – Part 9.7/Section 2
Pipe work – Part 9.6/Section 2.1
Pitch line – Part 7/Section 7.2.1
Q
Platform – Part 11/Section 4.2.1
Qualified installing agency – Part 9.7/Section 2
Plenum – Part 9.3/Section 2
Plinth – Part 4/Section 2.1
R
Plinth area – Part 4/Section 2.1
Ramps, Ramps with gradients
Plug – Part 9.1/Section 2.1
– Part 4/Appendix E
Plumbing – Part 9.6/Section 2.1 Plumbing system – Part 9.6/Section 2.1 Point (in wiring) – Part 9.1/Section 2.1 Porch – Part 4/Section 2.1 Position and/or direction indicator – Part 9.5/Section 2
Rated load (lift) – Part 9.5/Section 2 Rated load (escalator) – Part 9.5/Section 2 Rated speed (lift) – Part 9.5/Section 2 Rated speed (escalator) – Part 9.5/Section 2 Rating level, LAr, Tr – Part 9.4/Section 2 Recirculated air – Part 9.3/Section 2 17
Reflected glare – Part 9.1/Section 2.1
Sanctioned plan – Part 2/Section 1.2
Reflection factor (Reflectance)
Sanitary appliances – Part 9.6/Section 2.1
– Part 9.1/Section 2.1
Scaffold – Part 11/Section 4.2.1
Refrigerant – Part 9.3/Section 2
Semi‐Ambulatory Disabilities
Relative humidity – Part 9.3/Section 2
– Part 4/Appendix E
Relevant boundary – Part 3/Section 1.2
Semi‐detached building – Part 4/Section 2.1
Riser – Part 9.7/Section 2
Separating wall – Part 3/Section 1.2
Residual current circuit breaker
Service – Part 9.2/Section 2.1
– Part 9.2/Section 2.1
Service latrine – Part 9.6/Section 2.1
Residual head – Part 9.6/Section 2.1
Service lift – Part 9.5/Section 2
Retiring cam – Part 9.5/Section 2
Service pipe – Part 9.6/Section 2.1
Roping multiple – Part 9.5/Section 2
Service road – Part 2/Section 1.2
Return air – Part 9.3/Section 2
Service shut‐off valve (isolation valve)
Reveal – Part 9.1/Section 2.1
– Part 9.7/Section 2
Reverberation time, T – Part 9.4/Section 2
Set‐back line – Part 2/Section 1.2
Road – Part 2/Section 1.2
Sewer – Part 9.6/Section 2.1
Road line – Part 2/Section 1.2
Shade factor – Part 9.3/Section 2
Room height – Part 2/Section 1.2
Sheave – Part 9.5/Section 2
Room Index (kr) – Part 9.1/Section 2.1
Sick Building Syndrome (SBS)
Row housing/row type building
– Part 9.3/Section 2
– Part 4/Section 2.1
Sight Disabilities – Part 4/Appendix E
Site – Part 2/Section 1.2
S
Site, corner – Part 4/Section 2.1
Saddle – Part 9.6/Section 2.1
Site, depth of – Part 4/Section 2.1
Safety gear – Part 9.5/Section 2
Site, double frontage – Part 4/Section 2.1 18
Site, interior or tandem – Part 4/Section 2.1
Standardized Impact Sound Pressure Level, LnT
Sky Component (SC) – Part 9.1/Section 2.1
‐ Part 9.4/Section 2
Slack rope switch – Part 9.5/Section 2
Standardized Level Difference, DnT
Slop hopper (slop sink) – Part 9.6/Section 2.1
‐ Part 9.4/Section 2
Smoke damper – Part 9.3/Section 2
Static pressure – Part 9.3/Section 2
Soakaway – Part 9.6/Section 2.1
Stop‐cock – Part 9.6/ Section 2.1
Socket‐outlet – Part 9.2/Section 2.1
Stop tap – Part 9.6/Section 2.1
Soffit (crown) – Part 9.6/Section 2.1
Storage tank – Part 9.6/Section 2.1
Soil appliances – Part 9.6/Section 2.1
Storey – Part 4/Section 2.1
Soil pipe – Part 9.6/Section 2.1
Storey, topmost – Part 4/Section 2.1
Soil waste – Part 9.6/Section 2.1
Street – Part 2/Section 1.2
Solar load – Part 9.1/Section 2.1
Street level or grade – Part 2/Section 1.2
Sound – Part 9.4/Section 2
Street line – Part 2/Section 1.2
Sound Exposure Level, LAE – Part 9.4/Section 2
Structure borne noise – Part 9.4/Section 2
Sound power – Part 9.4/Section 2
Sub‐soil water – Part 9.6/Section 2.1
Sound Power Level, LW ‐Part 9.4/Section 2
Sub‐soil water drain – Part 9.6/Section 2.1
Sound pressure, p – Part 9.4/Section 2
Sullage ‐ ‐Part 9.6/Section 2.1
Sound Pressure Level, LP – Part 9.4/Section 2
Supply air – Part 9.3/Section 2
Sound receiver – Part 9.4/Section 2
Supply and return air grills and diffs
Sound reduction Index, R – Part 9.4/Section 2
– Part 9.3/Section 2
Sound source – Part 9.4/Section 2
Supply pipe – Part 9.6/Section 2.1
Spectrum – Part 9.4/Section 2
s – Part 9.6/Section 2.1
Speech Interference Level (SIL)
Surface water – Part 9.6/Section 2.1
– Part 9.4/Section 2
Surface water drain – Part 9.6/Section 2.1
Staircover – Part 4/Section 2.1
Suspension ropes – Part 9.5/Section 2 19
Switch – Part 9.2/Section 2.1
Transient sound – Part9.4/Section 2
Switchboard – Part 9.2/Section 2.1
Transitional Area – Part 4/Appendix A
Switch disconnectors – Part 9.2/Section 2.1
Trap – Part 9.6/Section 2.1
Switch disconnector fuse – Part 9.2/Section 2.1
Travel – Part 9.5/Section 2
Switchgear – Part 9.2/Section 2.1
U
Systems of drainage – Part 9.6/Section 2.1
Unprotected area – Part 3/Section 1.2
Unsafe building – Part 2/Section 1.2
T
Usable wall space – Part 9.2/Section 2.1
Tapered steps – Part 7/Section 7.2.1
Utilization Factor (Coefficient o Utilization) (μ)
Terminal slow down switch – Part 9.5/Section 2
– Part 9.1/Section 2.1
Terminal stopping switch normal
– Part 9.5/Section 2
V
Terminal stopping device final
Vent stack/Vent pipe – Part 9.6/Section 2.1
– Partb9.5/Section 2
Vent system – Part 9.6/Section 2.1
Thermal transmittance – Part 9.3/Section 2
Verandah – Part 4/Section 2.1
Thermal energy storage – Part 9.3/Section 2
Vertical pipe – Part 9.6/Section 2.1
Third octave band – Part 9.4/Section 2
Vibration isolation – Part 9.4/Section 2
Threshold of hearing – Part 9.4/Section2
Visual field – Part 9.1/Section 2.1
To abut – Part 4/Section 2.1
Volume to Plot Area Ratio (VPR)
Toe board – Part 11/Section 4.2.1
– Part 4/Section 2.1
To erect – Part 2/Section 1.2
Voltage, Extra High (EHT) – Part 9.2/Section 2.1
Topography (orography) – Part 5/Section 5.9
Voltage, Extra Low (ELV) – Part 9.2/Section 2.1
Total headroom ‐ Part 9.5/Section 2
Voltage, High (HT,HV) – Part 9.2/Section 2.1
Tower‐like structures – Part 4/Section 2.1
Voltage, Low (LV) – Part 9.2/Section 2.1
Trade effluent – Part 9.6/Section 2.1
Voltage, Medium (MV) – Part 9.2/Section 2.1 20
W
Weighted Standardized Impact Sound Pressure Level, LnT,w ‐ Part 9.4/Section 2 Weighted Standardized Level Difference, DnT,w
Walk, Walks – Part 4/Appendix E – Part 9.4/Section 2
Wall hole – Part 11/Section 4.2.1 Wall opening – Part 11/Section 4.2.1
Weighted Normalized Impact Sound Pressure Level, Ln,w – Part 9.4/Section 2
Warning pipe – Part 9.6/Section 2.1
Wet‐bulb temperature – Part 9.3/Section 2
Wash‐out valve – Part 9.6/Section 2.1
White noise – Part 9.4/Section 2
Waste appliance – Part 9.6/Section 2.1
Width (w) – Part 5/Section 5.9
Waste pipe – Part 9.6/Section 2.1
Wind loads – Part 5/Section 2.1
Waste water (sullage) – Part 9.6/Section 2.1
Window – Part 4/Section 2.1
Water closet (WC) – Part 4/Section 2.1
Working plane – Part 9.1/Section 2.1
Water conditioning – Part 9.3/Section 2 Water hardness – Part 9.3/Section 2 Water main (street main) – Part 9.6/Section2.1 Water outlet – Part 9.6/Section 2.1 Water seal – Part 9.6/Section 2.1 Water supply system – Part 9.6/Section 2.1 Waterworks – Part 9.6/Section 2.1 Wavelength – Part 9.4/Section 2 Weatherproof – Part 9.2/Section 2.1 Weighted Level Difference, DW – Part 9.4/Section 2 Weighted Sound Reduction Index, RW – Part9.4/Section 2
21