1 OVERVIEW of NATIONAL BUILDING CODE OF INDIA 2016 Sanjay Pant Head (Civil Engg) Bureau of Indian Standards NEED FOR BUILDING REGULATION AND 2 CONSTITUTIONAL POSITION Subjects relating to land and buildings fall under the State List (Seventh Schedule ) 35. Works, lands and buildings vested in or in the possession of the State. 49. Taxes on lands and buildings. Schedule (referred to under Article 243W) added by the Constitution (74th Amendment) Act, 1992 (w.e.f 01.06.1993), 1. Urban planning including town planning. 2. Regulation of land-use and construction of buildings . 3. Planning for economic and social development. 4. Roads and bridges. 5. Water supply for domestic, industrial and commercial purposes. 6. Public health, sanitation conservancy and solid waste management. NEED FOR BUILDING REGULATION AND
CONSTITUTIONAL POSITION 3 8. Urban forestry, protection of the environment and promotion of ecological aspects. 9. Safeguarding the interests of weaker sections of society, including the handicapped and mentally retarded. 10. Slum improvement and upgradation. 11. Urban poverty alleviation. 12. Provision of urban amenities and facilities such as parks, gardens, playgrounds. 13. Promotion of cultural, educational and aesthetic aspects. 14. Burials and burial grounds; cremations, cremation grounds; and electric crematoriums. 15. Cattle ponds; prevention of cruelty to animals. 16. Vital statistics including registration of births and deaths. 17. Public amenities including street lighting, parking lots, bus stops and public conveniences. 18. Regulation of slaughter houses and tanneries. AUTHORITIES HAVING JURISDICTION 1) Municipal Corporation 2) Municipality 3) Notified Area Committee 4) Town Area Committee 5) Cantonment Board 6) Township 7) Port Trust 8) Special Purpose Agency like:
Town improvement trusts. Urban development authorities. Water supply and sewerage boards. Housing boards. Pollution control boards. Electricity supply boards. City transport boards. 4 INSTRUMENTS FOR BUILDING REGULATION 5 Town and Country Planning Act/ Development Act Master Plan, Zonal Plans and Layout Plans Municipality/Municipal Corporation Act
Building Bye-Laws 6 AUTHORITIES FOR ADDITIONAL CLEARANCES THAT MAY BE REQUIRED AUTHORITIES ADDITIONAL CLEARANCES Fire Authorities High rise and special (fire vulnerable) buildings Chief Inspectorate of Factories Industrial buildings Pollution Control Board As per espective state norms Chief Controller of Explosives, Nagpur Hazardous buildings Urban Art Commission As per relevant Acts Archaeological Survey of
India Plot falling within 300 m distance from any protected monument Railway/Metro-rail Authority Plot is falling within railway corridor Airports Authority of India Plot is falling in proximity of airport; etc 7 8 2030 HISTORICAL 9 Year History 1965
Panel of Experts appointed by Planning Commission to study the whole gamut of operations involved in construction such as: Administrative, Organizational, Financial, Technical 1968 Report on Economies in Construction Costs recommended: One of the important steps towards achieving economy is through formulation of Unified Building Code at national level. For this NBC to be brought out unifying building regulations throughout the country Job entrusted to the then ISI (now BIS) 1970 NBC (first version) 1983 NBC (first revision) 1987 Amendment No. 1 & 2 to NBC 1983 1997 Amendment No. 3 to NBC 1983 2005
NBC (second revision) 2015 Amendment No. 1 & 2 to NBC 2005 2016 NBC (third revision) Salient Features of NBC 201610 Dealt by National Building Code Sectional Committee, CED 46 of BIS Revision of the Code initiated in 2014 22 Expert Panels involved in which around 1000 experts contributed Around 50 Meetings of the Experts Panels were organized Involves stakeholder engagement and wide consultation process Revised Code is a culmination of the untiring efforts of above Experts and BIS A voluminous document published in two volumes Salient Features of NBC 2016 Substantial improvements incorporated, particularly for Ensuring structurally safe and disaster resistant buildings
Accessibility of buildings and built environment for persons with disabilities and the elderly Fire safety of modern complex and high-rise buildings Use of new/innovative building materials and technologies Ensuring speedier construction through prefab technology Installation of modern plumbing and building services Ensuring IT enabled buildings Sustainability and conducive outdoor built environment Management of constructed building assets and facilities
Salient Features of NBC 201612 Expected to be extensively used by, the local bodies for framing and revamping the existing local building byelaws the Govt. and private construction agencies in their construction activities the building professionals like architects, engineers, structural engineers, town planners, building services engineers and consultants in the design of building and built environment building material suppliers and technology providers research institutions for their research purposes faculty and students of academic institutions for imparting technical education to architectural and engineering students by using the Code as part of their curriculum CONTENTS OF NBC 2016 Part No. 13
Title Part 0 Integrated Approach Prerequisite for Applying Provisions of the code Part 1 Definitions Part 2 Administration Part 3 Development Control Rules and General Building Requirements Part 4 Fire and Life Safety Part 5 Building Materials Part 6 Structural Design Part 7
Constructional Management, Practices and Safety Part 8 Building Services Part 9 Plumbing Services (including Solid Waste Management) Part 10 Landscape Development, Signs and Outdoor Display Structures Part 11 Approach to Sustainability Part 12 Asset and Facility Management Sl. No TEAM APPROACH Major Stages Corresponding Team
14 Purpose Location/siting 1. Conceptualization & Design team planning Proper integration of various design inputs Designing and detailing 2. 3. Construction/ execution Project Management & Construction Management Teams Accomplishment in accordance with designs and specifications in a
stipulated time and cost framework. Maintenance and repair Operation & Maintenance Team or Asset Management Team or Estate Management Team Operation, maintenance and repairs to be executed with least inconvenience and without any mismatch/ damage to structure, finishings, fittings, etc. MULTI DISCIPLINARY TEAM OF BUILDING PROFESSIONALS Each team to be multi-disciplinary team of need based professionals, 15 depending upon type, size, magnitude, complexity in the project; such as: Architect Civil Engineer Structural Engineer Environment/Sustainability Specialist
Town Planner Geotechnical Engineer Urban Designer Electrical Engineer Landscape Architect Plumbing Engineer Security System Specialist Fire Protection Engineer HVAC Engineer Lift, Escalator & Moving Walk Specialist Acoustics Specialist Information/ Communication Technology Engineer Health, Safety & Environment Specialist Interior Designer Quantity Surveyor Project/Construction Manager Accessibility & Universal Design specialist Asset/Facility Manager Other subject specialists
Major Modifications in Part 0 - Integrated Approach 16 Updated provisions for association of need based professionals and agencies to ensure proper discharge of responsibilities for accomplishment of building project. Inclusion of professionals such as geotechnical engineers, ICT engineer, sustainability specialist, accessibility specialist, and other subject specialist(s). Further reinforcement of the various considerations to be taken care of by the design teams, project/construction management team, and operation and maintenance team, considering the present day requirements and expectations from buildings and built environment. Major Modifications in Part 1 - Definitions 17
Various new terms added in various Chapters during this revision of the Code are reflected in this Part. Many of the existing definitions have been modified based on internationally accepted definitions. STRUCTURED APPROACH FOR ENSURING COMPLIANCE TO PROVISIONS OF NBC 2016 IN THE CODE 18 Stages in Building Permit Process 1. Submission of application by owner along with - Building plan - Service plan - Specifications - Structural design sufficiency certificate by engineer/ structural engineer and owner - Certificate of engagement of builder/constructor(s) - Certificate of supervision by architect/engineer 2. Verification of building plans and specifications by the Authority with respect to building byelaws STRUCTURED APPROACH FOR ENSURING COMPLIANCE TO PROVISIONS OF NBC 2016 IN THE CODE.
19 3. Sanction by the Authority including approvals from statutory authorities - Two stage approval for vulnerable buildings 4. Construction activity 5. Step-wise inspection by local authority 6. Completion of construction activity 7. Notice of completion by owner along with - Certification for execution of work as per structural safety requirements by engineer/ structural engineer 8. Inspection by Authority 9. Issue of Occupancy Permit by Authority. PART 2 ADMINISTRATION 20 It covers the administrative aspects of the Code, such as applicability of the Code, organization of building department for enforcement of the Code, procedure for obtaining development and building permits, and responsibility of the owner and all professionals involved in the planning, design and construction of the building.
PART 2 21 ADMINISTRATION Contd Organization of Building Department for enforcement of the Code Qualifications & competence of registered professionals (Annex A) Responsibilities of owner and professionals involved Twelve Standard Forms Form for first application to develop, erect, re-erect or to make alteration in any place in a building Form for certificate for structural design sufficiency Form for engagement of builder/constructor Form for supervision
Form for sanction or refusal of development/building permit Form for notice for commencement Form for certificate for sub-surface investigation Form for certificate for completed structural design work as per structural safety requirements Form for certificate for supervision of execution of work Form for certificate for completed work by builder/constructor Form for completion certificate Form for occupancy permit
Major Modifications in Part 2 Administration 22 Ease of doing business through detailed and updated provision for streamlining the approval process in respect of different agencies in the form of an integrated approval process through single window approach, thereby avoiding separate clearances from various authorities. Updated provision on computerization of approval process. Reinforcement of the provisions on the mechanism of ensuring certification of structural safety of buildings by the competent professional and peer review of design of buildings. Fixation of responsibility for geotechnical engineer and contractor, where involved in a building construction project. PART 3 DEVELOPMENT CONTROL RULES AND GENERAL BUILDING REQUIREMENTS
This Part deals with the development control rules and general building requirements to ensure health and safety of the public. 23 PART 3 DEVELOPMENT CONTROL RULES AND GENERAL BUILDING REQUIREMENTS 24 - Land use classification and uses permitted - Cluster planning approach and provisions for housing - Inclusion of detailed town planning norms for various amenitie such as: Educational facilities Health care facilities Socio-cultural facilities Distribution services Police, Civil Defence & Home Guards Fire services Telephone, telegraph, postal and banking facilitie Sports activity Shopping Religious Electrical substation Transport Cremation/Burial Ground, etc
PART 3 DEVELOPMENT CONTROL RULES AND 25 GENERAL BUILDING REQUIREMENTS (contd) - Parking norms for metro & mega cities - Special requirements for low income housing in urban areas - Special requirements for rural habitat planning - Special requirements for development planning in hilly areas - Provision for buildings & facilities for persons with disabilities and the elderly Major Modifications in Part 3 Development Control Rules and General Building Requirements 26 Modification of land use classification.
Modification of planning norms for various amenities provided in a city/town and also inclusion of provisions for new amenities. Barrier free built environment: Comprehensive updated provisions for accessibility in buildings and built environment for persons with disabilities and the elderly by adopting universal design principles. Provisions on new planning and development norms, such as, Transferable Development Rights (TDR) and Accommodation reservation (AR). Foreword of this part also refers to Transit Oriented Development (TOD). Major Modifications in Part 3 Development Control Rules and General Building Requirements 27 Updated requirements for fire tender movement keeping in view availability of more equipped fire tenders of higher capacity.
Provisions for underground or multi-storeyed parking as also mechanized parking of vehicles. Updated provisions on basements keeping in view the latest developments. New provisions for solar energy utilization. Updation of special requirements for low income housing and for development planning in hilly areas. Incorporation of requirements for upcoming buildings on podium for ensuring fire and life safety in such buildings. PART 4 FIRE AND LIFE SAFETY Approach towards Fire and Life safety FIRE PREVENTION LIFE SAFETY
FIRE PROTECTION 28 BUILDING OCCUPANCY CLASSIFICATION 29 Group A Residential Lodging or rooming houses (A-1) One or two family dwelling (A-2) Dormitories (A-3) Apartment houses (flats) (A-4) Hotels (A-5) & Starred hotels (A-6) Group B Educational Schools up to senior secondary level (B-1) Others/training institutions (B-2) Group C Institutional Hospitals and Sanatoria (C-1) Custodial institutions (C-2) Penal & mental institutions (C-3) Group D Assembly D-1 to D-6
D-7 Underground and elevated MRTS Group E Business E-1 to E-5 (offices, banks, labs, computer, telephone exchanges, broadcasting stations) Group F Mercantile F-1 to F-3 (shops, departmental stores, markets & underground shopping centres) Group G Industrial Low hazard (G-1) Moderate hazard (G-2) High hazard (G-3) Group H Storage Group J Hazardous FIRE PREVENTION 30 Building classification Fire zones Zone no. 1, 2 & 3 Types of construction Type 1, 2, 3 & 4 (based on fire resistance
rating of building elements) Fire Zones Occupancy Group No. 1 A, B, C, D, E-1 (small offices), F Type of Construction 1, 2, 3, or 4 No. 2 E-2 to E-5, G-1, G-2 1, 2 or 3 No. 3 G-3, Group H, J 1 or 2 Surface interior finishes - Classes 1, 2, 3
&4 spread) (based on flame LIFE SAFETY Exit requirements Occupant load Egress components Exit capacities and arrangement No. of exits Max. travel distance Doorways, corridors & passageways Staircases pressurization Ramps Compartmentation Smoke control
Illumination/escape lighting Fire detection & alarm system Fire fighting shaft 31 FIRE PROTECTION Fire Fighting Installation 32 Fire extinguisher First aid hose reel Wet riser Down comers Yard hydrant Automatic sprinkler system
Manually operated electric fire alarm system Automatic detection and alarm system Underground static water storage tank Terrace tank over respective tower terrace Pump near underground tank Pump at terrace tank level Dry riser (for hilly areas or industrial areas) Fire protection requirements for high Major Modifications in Part 4 Fire and Life Safety 33 The scope of application of provisions of this Part for different occupancies has been clarified. FIRE PREVENTION Table 1 on fire resistance ratings of structural and nonstructural elements has been updated. Detailed provisions on fire separating walls, fire separating floors and fire partitions
Separate comprehensive clause on electrical power supply distribution for fire and life safety systems Detailed provisions on air conditioning systems towards safety and smoke control integration Glass faade requirements have been detailed towards fire protection and smoke exhaust aspects Comprehensive clause on Fire Command Centre (FCC) Major Modifications in Part 4 Fire and Life Safety 34 LIFE SAFETY Components of means of egress - exit access, exit and exit discharge Table on capacity factors - modified based on the aspect of width per person approach used globally Requirement for displaying the occupancy load for assembly buildings and call centres. Well integrated provisions on firefighting shaft to
access the floor on fire and also allows egress/evacuation of the occupants with simultaneous use of refuge area. Updated provisions on compartmentation with fire barrier and its passive fire safety requirements for respective occupancies. Major Modifications in Part 4 Fire and Life Safety 35 FIRE PROTECTION Erstwhile Table 23 on minimum requirements for fire fighting installations (now Table 7) comprehensively updated. Detailed provisions have been included on fire water storage, fire pump room, sprinkler system and various alternative fire suppression systems. Detailed provisions on the concept of progressive evacuation in case of hospital buildings.
Provisions on refuge area have been updated including for D-6 occupancy and introduced for apartment buildings of height 60 m and above. Provisions specific to atrium, commercial kitchen and car parking facilities. Provisions specific to Metro Stations and Metro Trainways CATEGORIES OF MATERIALS 36
ALUMINIUM AND OTHER LIGHT METALS AND THEIR ALLOYS BITUMEN AND TAR PRODUCTS BUILDERS HARDWARES BUILDING CHEMICALS BUILDING LIMES CEMENT AND CONCRETE (including concrete reinforcement) CEMEMT MATRIX PRODUCTS CLAY PRODUCTS FOR BUILDING CONDUCTORS AND CABLES DOORS AND WINDOWS ELECTRICAL WIRING FITTINGS AND ACCESSORIES FILLERS, STOPPERS AND
GYPSUM BUILDING MATERIALS LIGNOCELLULOSIC BUILDING MATERIALS (including timber, bamboo and Products thereof) PAINTS AND ALLIED PRODUCTS POLYMERS, PLASTIC AND GEOSYNTHETICS/ GEOTEXTILES SANITARY APPLIANCES AND WATER FITTINGS STEEL STONES STRUCTURAL SECTIONS THERMAL INSULATION MATERIALS THREADED FASTENERS AND RIVETS UNIT WEIGHTS OF BUILDING MATERIALS
WATERPROOFING AND DAMPPROOFING MATERIALS WELDING ELECTRODES AND WIRES WIRE ROPES AND WIRE NEW / ALTERNATIVE BUILDING MATERIALS Suitability for End Application Strength Properties Durability Fire Resistivity Thermal Properties Acoustical Properties Ease of Working/Handling Energy Conservation/Environment Sustainability 37 Major Modifications in Part 5 Building Materials 38
Updated provisions for ensuring utilization of number of new/alternative building materials to provide for innovation in the field of building construction. Examples of some potential new/alternative materials. New clause giving broad aspects relating to sustainable materials. Categories reclassified for ease of reference. CEMENT IS No. IS 269:2015 39 Title Specification for ordinary Portland cement (sixth revision) IS 455:2015
Specification for Portland slag cement (fifth revision) IS 1489 (Part 1):2015 Specificity on for Portland pozzolana cement: Part 1 Flyash based (fourth revision) IS 1489 (Part 2):2015 Specification for Portland-pozzolana cement: Part 2 Calcined clay based (fourth revision) IS 3466:1988 Specification for masonry cement (second re vision) IS 6452:1989 Specification for high alumina cement for structural use (first revision) IS 6909:1990 Specification for super sulphated cement (first revision) IS 8041:1990 Specification for rapid hardening Portland cement
(second revision) IS 8042:2015 Specification for white Portland cement (third revision) IS 8043:1991 Specification for hydrophobic Portland cement (second revision) AGGREGATES 40 a) Aggregates for concrete (IS 383:2016) b) Artificial Lightweight Aggregate for Concrete Specification Part 1 For Concrete Masonry Blocks and for Applications Other than for Structural Concrete ( First Revision ) [IS 9142 (Part 1):2018] c) Artificial Lightweight Aggregate for Concrete Specification Part 2 Sintered Fly Ash Coarse
Aggregate ( First Revision ) [IS 9142 (Part 2):2018] Provisions on Use of Aggregates from other than Natural Sources in IS 383:2016 Aggregate type Slag / Waste included Plain Concrete Maximum utilization in Reinforced Lean Concrete (less Concrete than M15 grade) 1) Coarse Aggregate i) Iron slag coarse aggregate ii) Steel slag coarse aggregate iii) Recycled concrete coarse aggregate (See Note 1) iv) Recycled coarse aggregate
50% 25% 100% 25% Nil 100% 25% 100% nil 20% (only upto M25 grade) Nil i) Iron slag fine aggregate ii) Steel slag fine aggregate iii) Copper slag fine aggregate iv) Recycled concrete fine aggregate (See Note 1) v) Bottom Ash
50% 25% 40% 25% nil 35% 100% 100% 50% 25% 20% (only upto M25 grade) Nil 100% 100% 2) Fine Aggregate Nil 25% NOTES 1 The source concrete for recycled concrete aggregates should not be deteriorated concrete and it is desirable to source these from site being redeveloped for use in the same site. 2In any given structure, only one type of manufactured coarse aggregate and one type of manufactured fine aggregate shall be used.
3 The increase in density of concrete due to use of copper slag and steel slag aggregates need to be taken into consideration in the design of structures. Concrete 42 a) Plain & Reinforced Concrete (IS 456) b) Concrete Mix Proportioning (IS 10262:2009) (revision under publication) a) Prestressed concrete (IS 1343: 2012) b) Ready-mixed concrete (IS 4926: 2003) c) Concrete for dams and other massive structures (IS 457) d) Structural safety of tall concrete buildings (IS 16700:2017) Asbestos Cement Products a) Corrugated and semi-corrugated AC sheets (IS 459:1992)
b) Asbestos cement flat sheets (IS 2096:1992) c) Asbestos cement building boards (IS 2098:1997) d) Silica-asbestos cement sheets (IS 13000:1990) e) Shallow corrugated AC sheets (IS 13008:1990) f) AC pressure pipe (IS 1592:2003) g) AC pressure pipe (light duty) (IS 9627:1980) h) AC pipes for sewerage and drainage (IS 6908:1991) Asbestos Cement Products j) AC building pipes and pipe fittings [IS 1626 (Part 1):1994] k) AC gutter and gutter fittings [IS 1626 (Part 2):1994] m) AC roofing accessories [IS 1626 (Part 3):1994]
Non-Asbestos Fibre Based Products n) Fibre Cement Flat Sheets (IS 14862:2000) p) Long corrugated or asymmetrical section sheet and fittings for roofing and cladding (IS 14871:2000) Steel Reinforcement Mild steel and medium tensile steel bars [ IS 432(Part 1)] High strength deformed steel bars (IS 1786: 2008) Hard-drawn steel wire fabric (IS 1566) Grade A of structural steel (IS 2062) High strength deformed stainless steel bars
(IS 16551: 2017) 45 Prestessing Steel 46 Plain hard-drawn steel wire for prestressed concrete: Part 1 Colddrawn stress relieved wire [IS 1785(Part 1): 1983] Plain hard-drawn steel wire for prestressed concrete: Part 2 As drawn wire reinforcement [IS 1785(Part 2): 1983] High tensile steel bars used in prestressed concrete (IS 2090: 1983) Indented wire for prestressed concrete (IS 6003: 2010) Uncoated stress relieved strand for prestressed concrete (IS 6006:2014) Fusion bonded epoxy coated reinforcing bars (IS 13620:1993)
Uncoated stress relieved low relaxation seven ply strand for prestressed concrete (IS 14268: 2017) Stress relieved low relaxation steel wire for prestressed concrete (IS 16644: 2018) REVISION OF IS 1199 METHODS OF SAMPLING, TESTING AND ANALYSIS OF FRESH CONCRETE 47 Part Name Status Part 1 Sampling of fresh concrete Under Publication Part 2 Determination of consistency of fresh concrete
Under Publication Part 3 Determination of density of fresh concrete Under Publication Part 4 Determination of air content of fresh concrete Under Publication Part 5 Making and curing of test specimens Under Publication Part 6 Tests on fresh self compacting concrete Under Publication Part 7 Determination of setting time of concrete by penetration resistance Under Publication
Part 8 Determination of water soluble and acid soluble chlorides in mortar and concrete Draft being prepared Part 9 Analysis of freshly mixed concrete Draft being prepared REVISION OF IS 516 METHODS OF TEST FOR HARDENED CONCRETE Part Name Status Part 1 Testing of strength of hardened concrete Draft being prepared Part 2
Properties of hardened concrete other than strength Section 1 Density of Hardened Concrete and Depth of Water Penetration Under Pressure Section 2 Initial Surface Absorption 48 Under Publication Draft is under finalization Part 3 Making, curing and determining compressive strength of accelerated cured concrete test specimens Draft being prepared Part 4 Sampling, preparing and testing of concrete cores Under Publication Part 5 Non-destructive testing of hardened concrete Section 1 Ultrasonic Pulse Velocity Testing
Under Publication REVISION OF IS 516 METHODS OF TEST FOR HARDENED CONCRETE 49 Part Name Status Part 6 Determination of drying shrinkage of concrete for samples and moisture movement Draft is under finalization Part 7 Determination of creep of concrete cylinders in compression Draft being prepared Part 8
Determination of modulus of elasticity in compression Draft being prepared Part 9 Wear resistance Draft being prepared Part 10 Bond in reinforced concrete Draft being prepared Part 11 Determination of Portland cement content Draft is under of hardened hydraulic-cement concrete finalization New Areas for Standardization Microfine Cement (IS 16693: 2018) Ultrafine Slag (IS 16715: 2018)
GGBS (IS 16714: 2018) Fly Ash Cement Bricks (IS 16720: 2018) Dry Mix Mortar Guidelines for Use of Different Cements Portland Limestone Cement Ultrafine Fly Ash CERTIFICATION 51 BIS operates a third party certification under the BIS (Certification) Regulations, 1988 which plays a very important role in quality assurance. The third party certification not
only encourages the producers/beneficiating agency but also guides them for in-process quality control including regarding the beneficiation, segregation and processing, etc. 52 RMC CERTIFICATION Section PART 6 STRUCTURAL DESIGN 53 Title Section 1 Loads, Forces and Effects Section 2 Soils and Foundations Section 3 Timber and Bamboo Sub section 3A Timber
Sub section 3B Bamboo Section 4 Masonry Section 5 Concrete Sub section 5A Plain and Reinforced Concrete Sub section 5B Prestressed Concrete Section 6 Steel Section 7 Prefabrication, Systems Building and Mixed/ Composite Construction Sub section 7A Prefabricated Concrete Sub section 7B Systems Building and Mixed/Composite Construction Section 8 Glass and Glazing (New) Major Modifications in Part 6/Sec 1 Loads, Forces and Effects
54 Incorporation of latest structural loading and design and construction codes with a view to ensuring resilient buildings which are structurally safe against disasters. Provisions relating to design imposed load due to helipad and due to fire tenders and emergency vehicles. Provisions relating to design for blast loads. Provisions relating to loads due to collision between vehicle and structural and non-structural elements in car parking and stilts. Updation of provisions on parapets and balustrades. Provisions relating to new use areas covering appurtenances fixed to the structure. Important Standards utilized in Pa rt 6/Sec 1
55 IS No. Title IS 875(Part 2):1987 Code of practice for design loads (other than earthquake) for buildings and structures: Part 2 Imposed loads (second revision) IS 875(Part 3): 2015 Code of practice for design loads (other than earthquake) for buildings and structures: Part 3 Wind loads (third revision) IS 875(Part 4):1987 Code of practice for design loads (other than earthquake) for buildings and structures: Part 4 Snow loads (second revision) IS 875(Part 5):1987 Code of practice for design loads (other than earthquake) for buildings and structures: Part 5 Special loads and load combinations (second revision) IS 1893(Part 1):2016
Criteria for earthquake resistant design of structures: Part 1 General provisions and buildings (sixth revision) 56 2016 Wind Map 57 2016 Seismic Zoning Map Major Modifications in Part 6/Sec 2 Soils and Foundations 58 Scope extended to cover design of foundations on rock. Revised clause on site investigation with modifications such as new methods of soil investigation; depth of exploration for pile foundations; new sub-clauses on vertical interval for field tests and site investigation report; etc.
Updated provisions for permissible differential settlements and tilt (angular distortion) for shallow foundations in soils. Updated provisions for design and construction of concrete pile foundations based on revised IS 2911 (Part 1/Sec 1 to 4) and IS 2911 (Part 4). A reference to spun piles has been included. Updated provisions on ground improvement techniques with a table on summary of soil improvement methods. Important Standards utilized in Pa rt 6/Sec 2 59 IS No. Title IS 1080:1985 Code of practice for design and construction of shallow foundations in soils (other than raft, ring and shell)
(second revision) IS 1892:1979 Code of practice for subsurface investigation for foundations (first revision) IS 1904:1986 Code of practice for design and construction of foundations in soils: General requirements (third revision) IS 2911 Design and construction of pile foundations Code of practice (Part 1/Sec 1):2010 Concrete piles, Section 1 Driven cast in-situ concrete piles (second revision) (Part 1/Sec 2):2010 Concrete piles, Section 2 Bored cast in-situ piles (second revision) (Part 1/Sec 3):2010 Concrete piles, Section 3 Driven precast concrete piles (second revision)
(Part 1/Sec 4):2010 Concrete piles, Section 4 Precast concrete piles in prebored holes (first revision) Major Modifications in Part 6/Sec 3A Timber 60 Updated design provisions for timber connector joints, lamella roofing, trussed rafters, etc. The permissible lateral strength (in double shear) of mild steel common wire for different new species of timber have been added and also strength values for some of the existing species have been modified based on latest research. Data on block shear test results of glued timber joints and on strength properties of glued finger joints based on the indigenous work, has been included for guidance in design. Illustrations added for possible orientation of planks in glue
laminated beams (Glulam). Design outline for horizontally laminated beams has been added. Important Standards utilized in Pa rt 6/Sec 3A 61 IS No. Title IS 399:1963 Classification of commercial timbers and their zonal distribution (revised) Code of practice for design of structural timber in building (fifth revision) Trade names and abbreviated symbols for timber species (third revision) Code of practice for nail-jointed timber construction (first revision) Specification for preferred cut sizes of structural timber (first revision) Code of practice for design and construction of nailed laminated timber beams Code of practice for design and construction of bolt-jointed timber construction
Specification for laminated veneer lumber IS 883:2016 IS 1150:2000 IS 2366:1983 IS 4891:1988 IS 4983:1968 IS 11096:1984 IS 14616:1999 Major Modifications in Part 6/Sec 3B Bamboo Updated design provisions for bamboo trusses, and bamboo foundations. Inclusion of provisions relating to use of bamboo as reinforcement in concrete,
bamboo based materials/panel products as walling/roofing material, and reconstituted wood from destructured bamboo. 62 Important Standards utilized in Pa rt 6/Sec 3B 63 IS No. Title IS 9096:2006 Code of practice for preservation of bamboo for structural purpose (first revision) IS 15912:2018 Code of practice for structural design using bamboo (first revision) (being released) Major Modifications in Part 6/Sec 4 Masonry
64 Inclusion of provisions relating to reinforced masonry, confined masonry building construction, and masonry wall construction using rat-trap bond. New provisions related to durability criteria for selection of masonry mortars. Stabilized soil blocks have been included as masonry unit. Number of storeys of masonry construction has been limited to 4, in line with the seismic design standards. Important Standards utilized in Pa rt 6/Sec 4 IS No. IS 1905:1987
65 Title Code of practice for structural use of unreinforced masonry (third revision) IS 4326:2013 Earthquake resistant design and construction of buildings Code of practice (third revision) IS 10440:1983 Code of practice for construction of RB and RBC floors and roofs IS 13828:1993 Improving earthquake resistance of low strength masonry buildings Guidelines Major Modifications in Part 6/Sec 5A Concrete 66 Elaborated provisions relating to use of mineral admixtures, their effects on properties of fresh and hardened concrete, including precautions associated therewith. Incorporation of permission to use aggregates from other than natural sources, including iron slag aggregate, steel slag aggregate, copper slag aggregate,
bottom ash from thermal power plant, and aggregate derived from construction and demolition waste, through cross reference to revised IS 383. Inclusion of stripping time required in case of concrete made using cement other than OPC or using cementitious materials like fly ash and slag. Major Modifications in Part 6/Sec 5A Concrete 67 Provisions relating to self compacting concrete (SCC) and high performance concrete (HPC). Design provisions relating to steel fibre reinforced concrete (SFRC) as part of special concretes. Inclusion of provisions relating to shear stress for coupled shear walls.
Inclusion of comprehensive provisions on ductile detailing from IS 13920 : 2016 to help extensive implementation of ductile detailing provisions in all relevant structures. Important Standards utilized in Pa rt 6/Sec 5A 68 IS No. Title IS 456:2000 Code of practice for plain and reinforced concrete (fourth revision) IS 13920:2016 Code of practice for ductile detailing of reinforced concrete structures subjected to seismic forces (first revision) Major Modifications in Part 6/Sec 5B Prestressed Concrete 69
Updated design provisions for prestressed concrete in line with revised IS 1343:2012 and latest practices. Section on materials, workmanship, inspection and testing has been completely modified in line with IS 456 as applicable to prestressing. Provisions related to bearing stress in the end zone in post-tensioned members have been updated. Provisions related to ultimate shear resistance of a section uncracked in flexure and also for that cracked in flexure have been updated. Test on wall thickness of the duct of corrugated HDPE sheathing duct has been updated. Important Standards utilized in Pa rt 6/Sec 5B 70 IS No.
Title IS 1343 : 2012 Code of practice for prestress concrete (second revision) Major Modifications in Part 6/Sec 6 Steel 71 The chapter has been modified in line with IS 800:2007 and latest developments. The table on tensile properties of structural steel products has been updated by including yield stress values of bolts of sizes 3.6 to 6.8 mm as per IS 1367 (Part 3) and aligning the corresponding provisions of the table with those given in IS 2062:2011. Elaborated provisions for mechanical properties of structural steel.
Provisions related to effective wind pressure on exposed circular tube members have been included. Provisions related to requirement of temperature stress analysis have been updated. Major Modifications in Part 6/Sec 6 Steel 72 Provisions related to slender cross sections have been updated, with the inclusion of two new figures on effective sections of slender members under pure and flexural compression. The table on deflection limits has been suitably updated with respect to the load nomenclature of the load and their combinations. Warping restraint conditions in the table on effective lengths for simply supported beams have been clarified.
The provision on assessment of conditions under which fatigue assessment is to be done, is covered comprehensively. Major Modifications in Part 6/Sec 6 Steel 73 Provisions related to design of end panels in stiffened web panels have been updated. Provisions related to design for earthquake loads relating to load and load combinations, response reduction factor for various types of frames, connections in the critical zones of frames, and bracing members have been updated. The nominal bearing pressure between the column base plate and the support has been updated to bring it line with the corresponding provisions of IS 456 : 2000. Provisions related to design of single angle struts loaded
through one leg have been revised. Provisions related to non-ductile braced and moment resisting frames have been included. Major Modifications in Part 6/Sec 6 Steel 74 Provisions on ductile designing with respect to column base connections have been updated. Reference design conditions under fatigue for S-N curve have been modified. Provisions on clearances related to fabrication procedures have been updated. Sketches of the restraint conditions under table on effective lengths of single stepped columns have been updated.
Certain terminologies, symbols and figures have been updated based on the changes incorporated. Important Standards utilized in Part 6/Sec 6 75 IS No. Title IS 800 : 2007 Code of practice for general construction in steel (third revision) IS 806: 1968 Code of practice for use of steel tubes in general building construction (first revision) Major Modifications in Part 6/Sec 7A Prefabricated Concrete 76
Inclusion of emulative system of prefabricated concrete with detailed provisions in respect of its definition, analysis, design, detailing, etc. Detailed provisions on diaphragm action of floor systems have been included. Design considerations have been updated where accidental impact due to vehicles has been included. Provisions and testing procedures for water tightness of joints have been included. Some of the typical precast joint details have been illustrated. Major Modifications in Part 6/Sec 7A Prefabricated Concrete 77
Provisions relating to fire resistance testing of prototypes under sustained load has been provided for. Connection between adjacent prefabricated members only through frictional resistance has been removed and suggestions for resistance using shear has been included. Provisions on site prefabrication have been updated. Guidelines (restriction on the number of components) on vertical stacking on ground have been included. Provisions for tolerances in erection and associated design considerations have been included. Major Modifications in 78 Part 6/Sec 7B Systems Buildings and Mixed/Composite Construction
Updated provisions in respect of the following aspects of systems building and mixed/composite construction: definition, analysis, design, detailing, etc. Aspects relevant to devising systems and structural schemes have been updated. New Chapter Part 6/Sec 8 Glass and Glazing
79 This new chapter on structural use of glass covers different types of glass, their requirements and associated glazing materials; selection and application of glass in buildings, provision for glazing w.r.t. their effect on energy, visual (light) and solar environments in the building; selection of glass in buildings, subject to wind loading, seismic loading and special considerations for fire rated glass and related materials; provisions for the selection and manifestation of glass in buildings, subject to safety with respect to human impact of the occupants; and provisions relating to selection, design, fabrication and installation of glazing systems. Important Standards utilized in Part 6/Sec 8 80 IS No. Title
IS 16231 Code of practice for use of glass in buildings: (Part 1) : 2016 General methodology and selection (Part 2) : 2016 Energy and light (Part 3) : Fire and loading 2016 (Part 4) : 2014 Safety related to human impact (Revision under publication) Construction Project Management IS No. Title 81 Current Stage IS 15883 Construction Project Management- Guidelines: Part 1:2009 Part 2:2013 Part 3:2015 Part 4:2015 Part 1 General Part 2 Time Management Part 3 Cost Management
Part 4 Quality Management Published Published Published Published Part 5:2013 Part 6:2015 Part 7 Part 8:2015 Part 5 Health & Safety Management Part 6 Scope Management Part 7 Procurement Management Part 8 Risk Management Published Published Draft being prepared Published Part 9:2018 Part 9 Communication Management Published Part 10 Part 11 Part 10 Human Resource Management
Part 11 Sustainability Management Draft being prepared Draft being prepared Part 12:2016 IS 16416:2016 Part 12 Integration Management Guidelines for Construction Project Formulation and Appraisal Guidelines for Habitat and Welfare Requirements for Construction Workers Published Published IS 16601:2016 Published SAFETY GUIDELINES 82 - Safety guidelines during different construction operations such as during: excavation drilling and blasting piling and deep foundations tunneling road making
at floor and wall openings demolition steel erection in construction of concrete framed structure during material handling while working in compressed air in use of tools in use of construction machinery from common hazards - Concept of safety committees/management - Maintenance management Major Modifications in Part 7 Construction Management, Practices83 and Safety Updated provisions for ensuring utilization of number of new/alternative building technologies to provide for innovation in the field of building construction. Incorporation of construction management guidelines to aid in timely completion of building projects in a safe manner with desired quality and within the budgeted cost. Inclusion of requirements for habitat and other welfare requirements for workmen at construction
site. Updated provisions on safety in construction. PART 8 BUILDING SERVICES Section Title Section 1 Lighting and Natural Ventilation Section 2 Electrical and Allied Installations Section 3 Air Conditioning, Heating and Mechanical Ventilation Section 4 Acoustics, Sound Insulation and Noise Control Section 5 Installation of Lifts and Escalators and Moving
Walks Sub section 5A Lifts Sub section 5B Escalators and Moving Walks (New) Section 6 Information and Communication Enabled Installations (New) 84 Major Modifications in Part 8/Sec1 Lighting and Natural Ventilation85 Updated provisions relating to efficient artificial light source and luminaires and photocontrols for artificial lights. Inclusion of modern lighting techniques such as LED and induction light vis--vis their energy consumption. Reference to SP 41:1987 for obtaining coefficient utilization for determination of luminous flux has been
included. Enabling provisions for lighting shelves and light pipes have been included. Major Modifications in Part 8/Sec1 Lighting and Natural Ventilation86 The provisions related to thermal comfort clause have been elaborated including therein indices such as effective temperature, adaptive thermal comfort along with elaborations on tropical summer index. Design guidelines for natural ventilation have been elaborated with illustrations. Provisions related to determination of rate of ventilation particularly on combined effect of wind and thermal actions have been elaborated. Provision on colour rendering has been included in line with that in SP 72 : 2010 National Lighting Code 2010.
Major Modifications in Part 8/Sec 2 Electrical and Allied Installations87 Updation of the chapter for ensuring alignment with The Indian Electricity Act, 2003 and various CEA Regulations framed thereunder particularly Central Electricity Authority (Measures Relating to Safety and Electric Supply) Regulations, 2010. Updated provisions on location and other requirements relating to layout, environmental and safety aspects for different substation apparatus/equipment and generating sets. Inclusion of provisions relating to location of compact substations. Updated provisions for reception and distribution of supply and wiring installations and for installation of energy meters with due cognizance to the Indian Standards formulated. Major Modifications in
Part 8/Sec 2 Electrical and Allied Installations 88 Revised provisions for earthing/grounding. Comprehensive revision of provisions relating to lightning protection of buildings. Inclusion of provisions relating to renewable energy sources for building, such as solar PV system; aviation obstacle lights; electrical supply for electric vehicle charging and car park management; etc. New provisions relating to electrical installations for construction sites and demolition sites. Inclusion of provisions relating to protection of human beings from electrical hazards and protection against fire in the building due to leakage current. Major Modifications in Part 8/Sec 3 Air conditioning, Heating and
Mechanical Ventilation 89 Modified provisions on refrigerants for air conditioning to include new refrigerants with zero ODP and ultra-low GWP including natural refrigerants. Inclusion of other available options of HVAC such as, VRF system, inverter technology, district cooling system, and hybrid central plant using chilled beams, radiant floor components, geo-thermal cooling and heating, etc. Thrust on envelope optimization using energy modelling, day lighting simulation, solar shade analysis and wind modelling software to optimize the air conditioning load. Indoor design conditions for comfort HVAC now based on adaptive comfort conditions for the specific climatic zone. Major Modifications in Part 8/Sec 3 Updated provisions on HVAC requirements for data90
centres and healthcare facilities and inclusion of such requirements for underground metro stations. Incorporation of refrigeration for cold stores. Inclusion of most efficient strategies for winter heating, using reverse cycle operation, solar heating systems, electric heat pump, and ground source heat pump. Coverage of modern system of mechanical ventilation for industries, commercial kitchen, underground car parking, and for open tunnels connecting underground metro stations. Updated provisions on building automation system to include the latest practices for web-based monitoring and control of performance parameters. Major Modifications in Part 8/Sec 4 Acoustics, Sound Insulation and Noise Control91 Updated provisions on sound insulation and noise control
measures in buildings. New clause on construction noise. The provision relating to noise control in open plan schools has been deleted, owing to the changed scenario. Reverberation times of classrooms and assembly halls in schools have been modified. Requirement of insulation (Rw) for walls or partitions between rooms in hospitals have been modified. Recommended maximum reverberation time for very large offices and for canteens have been modified. Major Modifications in Part 8/Sec 5A Lifts 92
Inclusion of requirements for high speed lifts and lifts for tall buildings including elaboration of lifts for firefighting and emergency evacuation and inclusion of considerations for machine room less (MRL) lifts. Updation of preliminary design provisions for lifts to cover the requirements for various building functions. Inclusion of provisions for seismic resistance aspects in lifts. New Chapter Part 8/Sec 5B Escalators and Moving Walks 93 This new chapter on escalators and moving walks covers all aspects relating to their Planning;
Installation; Operation, maintenance; and Inspection for ensuring safe movement of people with satisfactory performance. New Chapter Part 8/Sec 6 Information and Communication Enabled Installations 94 This new chapter on information and communication enabled installations covers essential requirements for ICT installations; technology systems and cabling installations in a building;
general guidelines required for planning and providing ICT services in the building at the planning and execution stages; basic design and integration requirements for telecommunication spaces within building/buildings along with their cabling infrastructure, their pathway components and passive connectivity hardware; and general requirements relating to installation of different communication equipment, cable terminations and power connections. PART 9 PLUMBING SERVICES Section 1 Water Supply Section 2 Drainage and Sanitation Section 3 (New)
Section 4 Solid Waste Management Gas Supply 95 Major Modifications in Part 9/Sec 1 Water Supply 96 Water supply requirements for buildings based on estimated occupancy in the chosen type of building. Updation of water requirements for non-residential buildings with separate domestic and flushing requirements. Updation of number of various water supply fixture unit and probable simultaneous demand, with demand values up to 10,000 fixture units.
Updated provisions for water supply distribution systems in multi-storeyed buildings with illustrations therefor. Inclusion of provisions relating to swimming pools. Major Modifications in Part 9/Sec 2 Drainage and Sanitation 97 Various additional requirements relating to layout of drainage and sanitation system have been added. Inclusion of provisions on venting system for high rise buildings. Updation of number of various drainage fixture unit. Revised sizes of rainwater pipes for efficient roof drainage.
Updated provisions on rainwater harvesting and artificial ground water recharge. New Chapter 98 Part 9/Sec 3 Solid Waste This new chapter on solid waste management covers Management various solid waste management systems, assessment of per capita solid waste quantities, and treatment of solid waste within the building, building complexes and their built environments. References to latest applicable statutory Rules and Regulations have been included. An informative Annex relating to municipal solid waste
generation has been included, covering quantity, type, description and sources of solid waste generation. An Annex relating to treatment of food waste has also been included. Major Modifications in Part 9/Sec 4 Gas Supply Revised provisions on LPG supply in buildings Detailed provisions on PNG supply in buildings New 99 provisions on medical gas pipeline system PART 10 100 LANDSCAPE DEVELOPMENT, SIGNS AND OUTDOOR DISPLAY
STRUCTURES Section 1 Landscape Planning, Design and Development Section 2 Signs and Outdoor Display Structures Major Modifications in Part 10/Sec 1 and 2 101 Updated provisions on landscape planning, design and development and signs and outdoor display structures. New clause on landscape site planning requirements. A new clause relating to roof landscape has been added. New provisions related to materials and finishes plan have been included as part of the landscape development documents required for statutory approvals.
Part 10/Sec 2 has been linked with Part 3 of the Code for ensuring appropriate controls of signs as applicable for the purpose of accessibility for persons with disabilities Major Modifications in Part 11 Approach to Sustainability 102 Updation of the new Part 11 Approach to Sustainability which was added to NBC 2005 through its Amendment No. 1 for covering guidelines for making buildings and built environment energy efficient and environmentally compatible. Covers all aspects of energy conservation such as electrical energy conservation, water conservation, use of low embodied energy materials, renewable energy utilization, etc. The chapter is intended to help in meeting relevant sustainable development goals (SDG) laid down by the
United Nations. OUTLINE OF PART 11 APPROACH TO SUSTAINABILITY 1 SCOPE 2 TERMINOLOGY 3 APPROACH TO SUSTAINABILITY 4 APPLICAPABILITY OF THIS PART OF THE CODE 5 SITING, FORM AND DESIGN 6 EXTERNAL DEVELOPMENT AND LANDSCAPE 7 ENVELOPE OPTIMIZATION
8 MATERIALS 9 WATER AND WASTE MANAGEMENT 10 BUILDING SERVICES OPTIMIZATION 11 CONSTRUCTIONAL PRACTICES 12 COMMISSIONING, OPERATION, MAINTENANCE AND PERFORMANCE TRACKING 103 New Chapter 104 Part 12 Asset and Facility This new chapter on asset and facility management covers Management
provisions relating to management of building assets and associated services; provisions to deal with issues relating to maintenance of all types of facilities and fixed assets such as buildings and building services (includes both hard and soft services such as building fabric maintenance, roads and pathways, security, MEP services including fire safety installations, housekeeping, etc; Provisions for identifying critical activities and critical assets which need to be focused upon by facility managers; and responsibilities of occupants for maintenance of facilities, such as, structures, equipment and exterior property. ENORMOUS NATIONAL INVOLVEMENT 105 AND RESPONSE IN REVISION IMPLEMENTATION DRIVE - Central Government - States Government - State Local Bodies - State Fire Authorities - Planning Commission - Housing Finance Institutions (RBI, HUDCO, NHB)
- Academic Institutions ADOPTION OF NBC - WAY FORWARD 106 Mega Cities (8) Population of over 50 Lakhs Delhi, Mumbai, Kolkata, Chennai, Bangalore, Hyderabad, Ahmedabad, Pune Metro Cities (45) 10 to 50 Lakhs Municipal Corporations (121) 5 Lakhs and above City Municipalities (A class) 1 Lakh and above Town Municipalities 5,000 1,00,000 (B &C class) / Town Panchayats Rural Areas
53 million plus cities/urban agglomerations 70 by 2021 SOME SIGNIFICANT EARTHQUAKES IN INDIA Year Place Magnitud e 1819 Kutch 8.0 1869 Near Cachar (Assam) 7.5 1885 Sopor (J&K) 7.0 1897 Shillong
8.7 1918 Shrimangal (Assam) 7.6 1930 Dhubri (Assam) 7.1 1934 Bihar-Nepal Border 8.3 1941 Andaman 8.1 1943 Assam 7.2
1950 Arunachal-China Border 8.5 1956 Anjar (Gujarat) 7.0 107 SOME SIGNIFICANT EARTHQUAKES 108 IN INDIA (Contd) Year Place Magnitud e 1967 Koyna 6.5
1975 Kinnaur 6.2 1988 Manipur-Myanmar Border 6.6 1988 Bihar-Nepal Border 6.4 1991 Uttarkashi 6.6 1993 Latur-Osmanabad 6.3 1997
Jabalpur 6.0 1999 Chamoli 6.8 2001 Bhuj 6.9 2005 J&K 7.4 2015 Nepal - Bihar 7.9 ENFORCEMENT 109
The Building Regulatory Media consist of These regulatory documents have to be brought in line with NBC 2016 Building Byelaws Building Rules Planning Standards Development Control Rules Fire Regulations Town Planning Rules Hazard Mapping Rules Water Supply Byelaws Drainage Byelaws THE PUBLICATION 110 Volum e1 and 2 Comprehensive version (Parts 0 to 12 all sections included) Rs. 13,760/-
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Part 12) Rs. 2,380/- Group 4 For Building Services (Part 0, 8 Sections Rs. 4,300/1 to 6 and Part 11) Group 5 For Plumbing Services (Part 0, 9 Sections Rs. 2,710/1 to 4 and Part 11) Building/ Land Development work 111 LIST OF BIS SALES OUTLETS : http://www.bis.org.in/dir/sales.htm ON LINE PURCHASE OF BIS PUBLICATIONS (INCLUDING STANDARDS IN A DVD ROM): http://www.standardsbis.in LIST OF INDIAN STANDARDS: 112
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