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); and building and plumbing services.
The Code was first published in 1970 at the instance of Planning Commission and then revised in 1983. Thereafter three major amendments were issued, two in 1987 and the third in 1997.
Considering a series of further developments in the field of building construction including the lessons learnt in the aftermath of number of natural calamities like devastating earthquakes and super cyclones witnessed by the country, a Project for comprehensive revision of NBC was taken up under the aegis of National Building Code Sectional Committee, CED 46 of BIS and its 18 expert Panels; involving as many as 400 experts. As a culmination of the Project, the revised NBC has now been brought out as National Building Code of India 2005 (NBC 2005).
The comprehensive NBC 2005 contains 11 Parts some of which are further divided into Sections totalling 26 chapters (see Annex 1). The salient features of the revised NBC (see Annex 2) include, apart from other changes made, the changes specially in regard to further enhancing our response to meet the challenges posed by natural calamities and reflecting the state-of-the-art and contemporary applicable international practices.
The Code has been published in one full volume containing all the Parts and Sections. Besides, five separate groups to cater largely to the interest/agency dealing with different aspects of building activity have also been published as follows:
However, while using a particular group, it may be borne in mind that there are other areas of information available in other groups which would require the attention of the same agency even if not directly connected with that phase of work. For example, while Group 1 would mainly help in planning the building schemes, Group 4 and Group 5 also draw the attention from the point of view of preplanning in respect of building and plumbing services.
CONTENTS OF NBC 2005
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
Section 5 Concrete
PART 7 CONSTRUCTIONAL PRACTICES AND SAFETYPART 8 BUILDING SERVICES
Section 1 Lighting and 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
PART 9 PLUMBING SERVICES
Section 1 Water Supply, Drainage and Sanitation (including
Solid Waste Management)
Section 2 Gas Supply
PART 10 LANDSCAPING, SIGNS AND OUTDOOR DISPLAY STRUCTURES
Section 1 Landscape Planning and Design
Section 2 Signs and Outdoor Display Structures