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2

NATIONAL BUILDING CODE OF INDIA 2016 VOLUME 2

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SP 7 : 2016 FIRST PUBLISHED 1970 FIRST REVISION 1983 SECOND REVISION 2005 THIRD REVISION 2016 © BUREAU OF INDIAN STANDARDS ICS 01.120; 91.040.01

PRICE `

PUBLISHED BY BUREAU OF INDIAN STANDARDS, MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG, NEW DELHI 110002; TYPESET AT SUNSHINE GRAPHICS, 263, TELIWARA, SHAHDARA, DELHI 110032; PRINTED AT J. J. OFFSET PRINTERS, A-24, SECTOR 68, NOIDA, GAUTAM BUDH NAGAR, UTTAR PRADESH (INDIA).

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CONTENTS Volume 1

FOREWORD COMMITTEE COMPOSITION IMPORTANT EXPLANATORY NOTE FOR USERS OF THE CODE INFORMATION FOR THE USERS ABOUT AVAILABILITY OF THE CODE IN GROUPS PART 0 PART 1 PART 2 PART 3 PART 4 PART 5 PART 6

INTEGRATED APPROACH — PREREQUISITE FOR APPLYING PROVISIONS OF THE CODE DEFINITIONS ADMINISTRATION DEVELOPMENT CONTROL RULES AND GENERAL BUILDING REQUIREMENTS FIRE AND LIFE SAFETY BUILDING MATERIALS STRUCTURAL DESIGN Section 1 Loads, Forces and Effects Section 2 Soils and Foundations Section 3 Timber and Bamboo 3A Timber 3B Bamboo Section 4 Masonry Section 5 Concrete 5A Plain and Reinforced Concrete 5B Prestressed Concrete Section 6 Steel Section 7 Prefabrication, Systems Building and Mixed/Composite Construction 7A Prefabricated Concrete 7B Systems Building and Mixed/Composite Construction Section 8 Glass and Glazing

Volume 2

IMPORTANT EXPLANATORY NOTE FOR USERS OF THE CODE INFORMATION FOR THE USERS ABOUT AVAILABILITY OF THE CODE IN GROUPS PART 7 PART 8

PART 9

PART 10 PART 11 PART 12

CONSTRUCTION MANAGEMENT, PRACTICES AND SAFETY BUILDING SERVICES 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, Escalators and Moving Walks 5A Lifts 5B Escalators and Moving Walks Section 6 Information and Communication Enabled Installations PLUMBING SERVICES (INCLUDING SOLID WASTE MANAGEMENT) Section 1 Water Supply Section 2 Drainage and Sanitation Section 3 Solid Waste Management Section 4 Gas Supply LANDSCAPE DEVELOPMENT, SIGNS AND OUTDOOR DISPLAY STRUCTURES Section 1 Landscape Planning, Design and Development Section 2 Signs and Outdoor Display Structures APPROACH TO SUSTAINABILITY ASSET AND FACILITY MANAGEMENT (iii)

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Important Explanatory Note for Users of the Code In any Part/Section of this Code, where reference is made to ‘good practice’ in relation to design, constructional procedures or other related information, and where reference is made to ‘accepted standard’ in relation to material specification, testing, or other related information, the Indian Standards listed at the end of the Part/Section shall be used as a guide to the interpretation. At the time of publication, the editions indicated in the standards were valid. All standards are subject to revision and parties to agreements based on any Part/ Section are encouraged to investigate the possibility of applying the most recent editions of the standards.

In the list of standards given at the end of a Part/Section, the number appearing within parentheses in the first column indicates the number of the reference of the standard in the Part/Section. For example: a)

b)

c) d)

e)

f)

Good practice [7(2)] refers to the Indian Standard given at serial number (2) of the list of standards given at the end of Part 7, that is, IS 16416 : 2016 ‘Construction project management: Project formulation and appraisal — Guidelines’. Good practice [8-1(6)] refers to the Indian Standard given at serial number (6) of the list of standards given at the end of Section 1 of Part 8, that is, IS 3362 : 1977 ‘Code of practice for natural ventilation of residential buildings (first revision)’. Good practice [8-3(16)] refers to the Indian Standard given at serial number (16) of the list of standards given at the end of Section 3 of Part 8, that is, IS 4831 : 1968 ‘Recommendation on units and symbols for refrigeration’. Accepted standard [8-5A(6)] refers to the Indian Standard given at serial number (6) of the list of standards given at the end of Subsection 5A of Part 8, that is, IS 14665 (Part 3/Sec 1 and 2) : 2000 ‘Electric traction lifts: Part 3 Safety rules, Section 1 Passenger and goods lifts, Section 2 Service lifts’. Accepted standards [8-6(2)] refers to the Indian Standards given at serial number (2) of the list of standards given at the end of Section 6 of Part 8, that is, IS 9537 (Part 3) : 1983 ‘Specification for conduits for electrical installations: Part 3 Rigid plain conduits for insulating materials’ and IS 3419 : 1989 ‘Specification for fittings for rigid non-metallic conduits (second revision)’. Accepted standard [9-1(1)] refers to the Indian Standard given at serial number (1) of the list of standards given at the end of Section 1 of Part 9, that is, IS 10446 : 1983 ‘Glossary of terms relating to water supply and sanitation’.

(iv)

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INFORMATION FOR THE USERS ABOUT AVAILABILITY OF THE CODE IN GROUPS

For the convenience of the users, the National Building Code of India 2016 is available as a comprehensive volume as well as in the following five groups, each incorporating the related Parts/Sections dealing with particular area of building activity: Group 1

Group 2

Group 3

Group 4

For Development/ Building Planning and Related Aspects

For Structural Design and Related Aspects

For Aspects Relating to Construction, and Asset/ Facility Management

For Aspects Relating to Building Services

Part 0 Part 1 Part 2 Part 3 Part 4 Part 5 Part 10 Part 11

Part 0 Part 6

Part 11

Part 0 Part 7 Part 11 Part 12 Part 0 Part 8

Integrated Approach — Prerequisite for Applying Provisions of the Code Definitions Administration Development Control Rules and General Building Requirements Fire and Life Safety Building Materials Landscape Development, Signs And Outdoor Display Structures Section 1 Landscape Planning, Design and Development Section 2 Signs and Outdoor Display Structures Approach to Sustainability

Integrated Approach — Prerequisite for Applying Provisions of the Code Structural Design Section 1 Loads, Forces and Effects Section 2 Soils and Foundations Section 3 Timber and Bamboo 3A Timber 3B Bamboo Section 4 Masonry Section 5 Concrete 5A Plain and Reinforced Concrete 5B Prestressed Concrete Section 6 Steel Section 7 Prefabrication, Systems Building and Mixed/ Composite Construction 7A Prefabricated Concrete 7B Systems Building and Mixed/ Composite Construction Section 8 Glass and Glazing Approach to Sustainability Integrated Approach — Prerequisite for Applying Provisions of the Code Construction Management, Practices and Safety Approach to Sustainability Asset and Facility Management Integrated Approach — Prerequisite for Applying Provisions of the Code Building Services 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

Group 5

For Aspects Relating to Plumbing Services and Solid Waste Management

Part 11 Part 0 Part 9

Part 11

Installation of Lifts, Escalators and Moving Walks 5A Lifts 5B Escalators and Moving Walks

Section 6 Information and Communication Enabled Installations Approach to Sustainability

Integrated Approach — Prerequisite for Applying Provisions of the Code Plumbing Services (including Solid Waste Management) Section 1 Water Supply Section 2 Drainage and Sanitation Section 3 Solid Waste Management Section 4 Gas Supply Approach to Sustainability

The information contained in different groups will serve the concerned professionals dealing with the respective areas. However, it is advisable that professionals essentially dealing with any of the above groups should also refer the other groups.

(v)

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NATIONAL BUILDING CODE OF INDIA PART 7 CONSTRUCTION MANAGEMENT, PRACTICES AND SAFETY

BUREAU OF INDIAN STANDARDS

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CONTENTS FOREWORD

… 3

1 SCOPE

… 7

2 TERMINOLOGY 3 GENERAL

… 7 … 7

SECTION 1 CONSTRUCTION MANAGEMENT 4 CONSTRUCTION PROJECT MANAGEMENT

… 8

SECTION 2 CONSTRUCTION PLANNING AND SITE MANAGEMENT 5 PLANNING ASPECTS

… 17

SECTION 3 CONSTRUCTION PRACTICES 6 CONSTRUCTION CONTROL AND PRACTICES

7 TEMPORARY WORKS 8 STORAGE, STACKING AND HANDLING PRACTICES

… 19

… 21 … 23

SECTION 4 SAFETY IN CONSTRUCTION 9 SAFETY IN CONSTRUCTION OF ELEMENTS OF A BUILDING

10 SAFETY IN DEMOLITION OF BUILDINGS

… 34 … 52

SECTION 5 REPAIRS, RETROFITTING AND STRENGTHENING OF BUILDINGS 11 MAINTENANCE MANAGEMENT 12 PREVENTION OF CRACKS

13 REPAIRS AND SEISMIC STRENGTHENING OF BUILDINGS

… 57 … 57

… 58

SECTION 6 HABITAT AND WELFARE REQUIREMENTS FOR WORKERS 14 HABITAT AND OTHER WELFARE REQUIREMENTS FOR CONSTRUCTION WORKERS ANNEX A

CHECK LIST FOR STACKING AND STORAGE OF MATERIALS

LIST OF STANDARDS

2

… 59 … 63

… 64

NATIONAL BUILDING CODE OF INDIA 2016

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National Building Code Sectional Committee, CED 46

FOREWORD

This Code (Part 7) covers construction project management; construction planning, site management and building construction practices; storage, stacking and handling of materials; and safety of personnel during construction operations for all elements of a building and demolition of buildings; and habitat and welfare requirements for workers. It also covers guidelines relating to repairs, retrofitting and strengthening of buildings. The principles enunciated in the various sections of this Part are to be ultimately utilized and implemented in the physical construction of the buildings with the required infrastructure. This would require sound construction practices and efficient management thereof in order to ensure that the implementation of the project is carried out within the estimated cost and planned period to the required quality standards and in a safe and sustainable manner. Workers in large number, both skilled and unskilled, are engaged in the innumerable construction works. Due to increased tempo of such a building activity and large scale mechanization, hazards of accidents could increase considerably. It is, therefore, imperative that adequate safety rules are laid down for every phase of construction work. It is also important to give due cognizance to habitat and welfare requirements of workers at construction site. This Part also deals with these aspects. Planning the various construction operations before hand and making adequate arrangements for procurement and storage of materials, and the machinery to get work done is as important as carrying out these construction operations in accordance with good practice. Lack of planning or defective planning may result in avoidable delay in the completion of work and consequently increased hazards from the point of view of fire, health and structural soundness. This Part covers provisions in this regard.

A construction project is an endeavour undertaken by a project team on behalf of owner/client to create a built facility suited to the defined functional objectives. From inception to commissioning, the project goes through various distinct stages leading to progressive achievement of project objectives. Each stage involves specific inputs, processes (both technical and managerial) and deliverables. Typically, the life cycle of a project from commencement to completion involves the following stages: a) Project formulation and appraisal — Inception, feasibility and strategic planning; b) Project development — Project brief development, planning and design, finalization of proposals, procurement strategy, construction documentation including tender drawings, working drawings, specifications, cost estimates, bills of quantities, procurement documents; c) Planning for construction — Sequencing of project components, planning tools, resource planning and time cost trade off; d) Tender action — Open competitive bidding/pre-qualification of agencies, issue of tender documents, evaluation of bids, negotiation if required and award of work; e) Construction — Execution, monitoring, control, work acceptance; and f) Commissioning and handing over — Contractual closeout, financial closeout, defect liability commencement, facility handing over.

The distinct features of a construction project include the temporary nature of the organizations involved, the evolutionary process of project deliverables during project development stages and the unique output of the built facility. As a result of these features, unless there is efficient and effective project management, a construction project is faced with challenges of uncertainties leading to time over-runs, cost over-runs, changes in project parameters, loss of quality and inability to meet the functional objectives. While technical soundness of a proposal is an important aspect of a construction project, the management aspects, which involve techno-legal, financial and other issues, have also a significant role in the success of a project. Therefore, management functions and technical processes in a construction project need to be integrated towards achieving project objectives. Top management commitment plays an important role in harmoniously achieving these project objectives. In some of the public sector projects, it may be necessary to share relevant information with public at large through appropriate PART 7 CONSTURCTION MANAGEMENT, PRACTICES AND SAFETY

3

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means. The overall management of a building construction project is very important to ensure that the objectives of such a project are achieved through scope management, procurement management, time management, cost management, quality management, risk management, communication management, human resources management, safety, health and environment management and integration management. This Part, therefore, gives guidelines on these areas.

The first version of this Part was formulated in 1970, which was subsequently revised in 1983 and 2005. In the first revision, information regarding handling operations that is unloading, stacking, lifting, loading and conveying of building materials, was also given along with the storage practices. Additional information regarding the use of ladders; safety requirements for floor and wall openings, railings and toe boards; piling and other deep foundations; constructions involving use of hot bituminous materials; and erection of structural steel work and concrete framed structures, etc, were included.

In the second revision, the Section 1 ‘Construction Practices’ of this Part, had been revamped to include the planning and management aspects. Further, provisions on construction using bamboo were also incorporated. The other important modifications incorporated in the second revision included comprehensive updating of the provisions with regard to stacking and storage of building materials and components, which were comprehensively covered in line with the revised IS 4082 : 1996 ‘Recommendations on stacking and storage of construction materials...