National Building Code of INDIA 2016 (NBC 2016)
Important Amendments For Structural Design
Study Time - May 2017
The National Building Code of India (NBC), a comprehensive building Code, is a national instrument providing guidelines for regulating the building construction activities across the country. It serves as a Model Code for adoption by all agencies involved in building construction works be they Public Works Departments, other government construction departments, local bodies or private construction agencies. The Code mainly contains administrative regulations, development control rules and general building requirements; fire safety requirements; stipulations regarding materials, structural design and construction (including safety); building and plumbing services; approach to sustainability; and asset and facility management.
The Code was first published in 1970 at the instance of Planning Commission and then first revised in 1983. Thereafter three major amendments were issued to the 1983 version, two in 1987 and the third in 1997. The second revision of the Code was in 2005, to which two amendments were issued in 2015.
Due to large scale changes in the building construction activities, such as change in nature of occupancies with prevalence of high rises and mixed occupancies, greater dependence and complicated nature of building services, development of new/innovative construction materials and technologies, greater need for preservation of environment and recognition of need for planned management of existing buildings and built environment, there has been a paradigm shift in building construction scenario. Considering these, a Project for comprehensive revision of the Code was taken up under the aegis of the National Building Code Sectional Committee, CED 46 of BIS and its 22 expert Panels; involving around 1 000 experts. As a culmination of the Project, the revised Code has been brought out in 2016 as National Building Code of India 2016 reflecting the state-of-the-art and contemporary applicable international practices.
CASE STUDY OF NATIONAL BUILDING CODE,
Introduction to various building codes in professional practice emphasizing the importance of codes and regulations to protect public health, safety and welfare and to ensure compliance with the local authority.
Understanding the importance of National Building Codes - A Case StudyPower Cable Alliance
The National Building Code of India (NBC), a comprehensive building Code, is a national instrument providing guidelines for regulating the building construction activities across the country.
It serves as a ‘Model Code’ for adoption by all agencies, public or private, involved in building construction works.
Here, we delve into the impact these codes have on safety from fire accidents and recommendations on how we can create a reliable and quality infrastructure.
CASE STUDY OF NATIONAL BUILDING CODE,
Introduction to various building codes in professional practice emphasizing the importance of codes and regulations to protect public health, safety and welfare and to ensure compliance with the local authority.
Understanding the importance of National Building Codes - A Case StudyPower Cable Alliance
The National Building Code of India (NBC), a comprehensive building Code, is a national instrument providing guidelines for regulating the building construction activities across the country.
It serves as a ‘Model Code’ for adoption by all agencies, public or private, involved in building construction works.
Here, we delve into the impact these codes have on safety from fire accidents and recommendations on how we can create a reliable and quality infrastructure.
Presentation on building bye laws as per GTU (syllabus) building & town planning.
It is my first presentation on slide share so please give suggestion on given topic or any other requirement.
Thank you.
Provision for fire protection in high rise buildingsAarti Rani
Protection against fire, building code as described in NBC. For designers and architects, looking for all the measures that should be taken while designing a high rise apartment according to National Building code of india.
The Building Bye-laws are defined as the standards & specifications designed to grant minimum safeguards to the workers during construction, to the health & comfort of the users & to provide enough safety to the public in general.
Presentation tries to look at the cost of buildings, issues in creating cost-effective buildings and options for creating cost-effective, qualitative buildings using architectural design, making buildings green,using local materials, using innovative technologies, prefabrication and putting in place strong project management
3.1.1 development control rules case studySachin PatiL
Development control rules,
Maharashtra Regional Town Planning Act,
Land acquisition act,
Village planning: Necessity and principles,
Rural developments- Growth
centre approach, Area Development approach, Integrated rural development
approach.
As for high rise buildings, these are generally above six floors or stories in height. Also, most high rise buildings are 100 meters in height. (These should not be confused with “skyscrapers,” which are generally much taller, as little or as much, as 200 meters in height.
A high-rise building is a tall building, as opposed to a low-rise building and is defined differently in terms of height depending on the jurisdiction. It is used as a residential, office building, or other functions including hotel, retail, or with multiple purposes combined.
The paper tries to give brief introduction to the r eaders,regarding the mivan technology,it is a precision-engineered formwork fabricated in Al uminium and how the uses of mivan,can save time and money for a mult-crore project.
Presentation on building bye laws as per GTU (syllabus) building & town planning.
It is my first presentation on slide share so please give suggestion on given topic or any other requirement.
Thank you.
Provision for fire protection in high rise buildingsAarti Rani
Protection against fire, building code as described in NBC. For designers and architects, looking for all the measures that should be taken while designing a high rise apartment according to National Building code of india.
The Building Bye-laws are defined as the standards & specifications designed to grant minimum safeguards to the workers during construction, to the health & comfort of the users & to provide enough safety to the public in general.
Presentation tries to look at the cost of buildings, issues in creating cost-effective buildings and options for creating cost-effective, qualitative buildings using architectural design, making buildings green,using local materials, using innovative technologies, prefabrication and putting in place strong project management
3.1.1 development control rules case studySachin PatiL
Development control rules,
Maharashtra Regional Town Planning Act,
Land acquisition act,
Village planning: Necessity and principles,
Rural developments- Growth
centre approach, Area Development approach, Integrated rural development
approach.
As for high rise buildings, these are generally above six floors or stories in height. Also, most high rise buildings are 100 meters in height. (These should not be confused with “skyscrapers,” which are generally much taller, as little or as much, as 200 meters in height.
A high-rise building is a tall building, as opposed to a low-rise building and is defined differently in terms of height depending on the jurisdiction. It is used as a residential, office building, or other functions including hotel, retail, or with multiple purposes combined.
The paper tries to give brief introduction to the r eaders,regarding the mivan technology,it is a precision-engineered formwork fabricated in Al uminium and how the uses of mivan,can save time and money for a mult-crore project.
In line with the endeavour to come closer to the infrastructure industry, Tiscon Readybuild stands as an effort to simplify your life and brings hassle free construction for you when it comes to rebar usage.
In the wake of RERA and revised Seismic Codes, the society needs to take a fresh look at Correct Planning of buildings to ensure Structural Safety and the need for a complete review at Municipal authority level before the construction begins at site.
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Rams Garden Bahcelievler - Istanbul - ListingTurkeyListing Turkey
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The KA Housing - Catalogue - Listing TurkeyListing Turkey
Welcome to KA Housing, a distinguished real estate development nestled in the heart of Eyüpsultan, one of Istanbul’s most promising districts.
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Recent Trends Fueling The Surge in Farmhouse Demand in IndiaFarmland Bazaar
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Investing In The US As A Canadian… And How To Do It RIGHT!! (feat. Erwin Szet...
National Building Code of India (NBC) 2016
1. NAVEEN JANGIR 1Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE
OF INDIA 2016
Important Amendments
For
Structural Design
A Presentation by NAVEEN JANGIR
May 2017
3. NAVEEN JANGIR 3Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
General Design Amendments
NATIONAL BUILDING CODE
OF INDIA 2016
1) Minimum Grade of Concrete
2) Column Dimension
3) Beam Width
4) Reinforcement in Beams
5) Lintel Beams
4. NAVEEN JANGIR 4Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#886 (NBC Vol 1)
This amendment will not impact
mid and high rise projects as
concrete grade below M30 is
rarely used
5. NAVEEN JANGIR 5Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#886 (NBC Vol 1)
Re-bar diameter used in beams in
high rise projects typically lie in the
range of 25 mm to 32mm
This will result in larger minimum
column dimensions
This clause shall be kept in mind
while conceptualizing architectural
layout of the projects
Potential impact on all high rise
projects
6. NAVEEN JANGIR 6Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
400x400
Beam r/f
withT25 Re-bars
20 X 25mm = 500mm
500x500
BEFORE AFTER
7. NAVEEN JANGIR 7Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#883 (NBC Vol 1)
Now beams can not be made unreasonably
wide to satisfy the headroom requirements
during project design.
Continued…
8. NAVEEN JANGIR 8Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
Column
500x600
Beam
Slab
Column
Beam
Slab
600mm
600mm
500mm
(600)+(0.75x500)+(0.75x500) = 1350mm
Maximum allowed width
(0.75x500) = 375mm (0.75x500) = 375mm
(0.75x500) = 375mm(0.75x500) = 375mm
(600)+(0.75x500)+(0.75x500) = 1350mm
Example
9. NAVEEN JANGIR 9Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#883 (NBC Vol 1)
10mm dia rebar in beams is now
prohibited.
This clause, however, will not have
any major impact on big projects
10. NAVEEN JANGIR 10Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#882 (NBC Vol 1)
This point shall be kept in mind by
structural engineer while making
ETABS model
This clause, however, will not
have any major impact on projects
11. NAVEEN JANGIR 11Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
Earthquake Design Amendments
NATIONAL BUILDING CODE
OF INDIA 2016
1) Importance Factor
2) Minimum Lateral Force
3) Minimum thickness of Shear Walls
4) Flat Slab – Structural Wall System
5) Minimum Wall Percentage
6) Torsional Irregularity
7) Mass Participation Factor
8) Vertical Irregularity
9) Time Period
12. NAVEEN JANGIR 12Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#500 (NBC Vol 1)
Continued…
Previously I=1
Previously I=1
13. NAVEEN JANGIR 13Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
1.2 times the earlier force
If I = 1.2
14. NAVEEN JANGIR 14Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#499 (NBC Vol 1)
This clause has put a minimum base
shear limit.
This clause may affect low & mid
rise buildings
15. NAVEEN JANGIR 15Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
#892 (NBC Vol 1)
Structural walls of 160mm / 250 mm
that are planned in projects are no
more allowed.
Shear Wall
Coupling Beam
(Coupled Shear Wall System)
Modular buildings will have major impact due to
this amendment. 160mm coupled walls can no
more be used
16. NAVEEN JANGIR 16Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#501 (NBC Vol 1)
Taking R=3 using flat slab framing is practically become impossible now
in Zone III (Mumbai), Zone IV & Zone V
Ductile detailing is must now in Zone III, IV & V Continued…
17. NAVEEN JANGIR 17Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
Band beams Conventional Beams
Conventional column-beam framing or band beams can be used
18. NAVEEN JANGIR 18Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#508 (NBC Vol 1)
This clause will impact commercial
building designs
Recheck all the commercial projects in your firm and most of them will not be able to satisfy this clause !
19. NAVEEN JANGIR 19Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016Scenario 1 Scenario 2 Similarly,
Core
(Strong Walls)
Core
(Strong Walls)
20. NAVEEN JANGIR 20Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#495 (NBC Vol 1)
Δmax < 1.5Δmin OK
1.5Δmin < Δmax < 2.0Δmin Ensure Ttorson < Tnatural
Δmax > 2.0Δmin Redesign
Torsional Irregularity is expect to arise in
buildings with unsymmetrical cores
21. NAVEEN JANGIR 21Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#496 (NBC Vol 1)
- Symmetric Distribution of stiffness
shall be planned
- Core should be at centre of the
building rather than on periphery
- Code also prohibits 100% symmetry
along both the direction.
- Think why?
22. NAVEEN JANGIR 22Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#495 (NBC Vol 1)
Continued…
Floating Column
23. NAVEEN JANGIR 23Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
Floating Column
24. NAVEEN JANGIR 24Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#502 (NBC Vol 1)
- New formula
- Increased time period
- No major impact on
projects
25. NAVEEN JANGIR 25Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#492 (NBC Vol 1)
This change will not have any major impact
26. NAVEEN JANGIR 26Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
Wind Design Amendments
NATIONAL BUILDING CODE
OF INDIA 2016
1) Design Wind Speed
27. NAVEEN JANGIR 27Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#438 (NBC Vol 1)
New
A new factor of
importance has
been introduced
for cyclonic
region.
28. NAVEEN JANGIR 28Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
General Recommendations
NATIONAL BUILDING CODE
OF INDIA 2016
1) Excessive Cut-outs
2) Sudden Stiffness Change
29. NAVEEN JANGIR 29Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016#495 (NBC Vol 1)
Excessive Cut-outs and openings shall be
avoided
30. NAVEEN JANGIR 30Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
Sudden change in lateral stiffness shall be avoided
Expansion Joint
31. NAVEEN JANGIR 31Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
SUMMARY
Quantity Cost
Since the amendments introduced are leading
towards increased member sizes and increased
forces, overall quantity consumption & project
cost is expected to go up.Engineers & Architects should
ensure that all new project
design is NBC compliant.
32. NAVEEN JANGIR 32Email: naveen.jangir1990@hotmail.comIIT Bombay Alumni | Structural Engineer
NATIONAL BUILDING CODE OF INDIA 2016
Thank You!
Special Thanks to Mr. Vinayak Deshmukh (L&T Realty) for his contribution
Presented by Naveen Jangir