CPWD SPECIFICATIONS

1 GOVERNMENT OF INDIACENTRAL PUBLIC WORKS DEPARTMENT2009 CPWDSPECIFICATIONS(VOL. 1)PUBLISHED BYDIRECTOR GENERAL OF WORKS, cpwd , NIRMAN BHAWAN, NEW DELHI All rights reserved. No part of this publication may be reproduced in any form or by any means,electronic or mechanical, including photocopying, recording on any information storage and retrievalsystem, without permission, in writing, from the Director General of Works, cpwd , New Delhi. Photo-copying of this book is strictly available atAll leading Booksellers & Authorised Govt.

2 DealersM/s Jain Book Depot(A NABHI ENTERPRISE)C-4, Opposite PVR Plaza, Connaught Place, New Delhi-110001 Phone : 011-23416101 / 02 / 03, 66307233 Fax : 011-23731117, 23416103E-mail : : : Rs. 2000/- per set of Vol. 1 & 2 (excluding postage and forwarding charges etc.)For Trade EnquiriesM/s. Nabhi Book AgencyC-5, Connaught Place, New Delhi -110001 Phone : 011-23416101 / 02 / 03, 66307233 Fax : 011-23731117, 23416103 Website: : GOVERNMENT OF INDIA PUBLICATIONP ublished by :DIRECTOR GENERAL OF WORKSCPWD, NIRMAN BHAWAN, NEW DELHI - 110 011&Printed & Marketed byM/s.

3 NABHI PUBLICATIONSN-101, 2nd Floor, Munshi Ram Building,Connaught Circus, New Delhi-110 001 Phone : 011-23354823, 43640045 Fax : 011-23731117, 23416103E-mail : : at : FOREWORD The cpwd SPECIFICATIONS being published by cpwd from time to time are very comprehensive and useful in execution of works and are used as guide by a number of Engineering Departments, Public Sector Undertakings, Architects and Builders. These SPECIFICATIONS not only give the standards for building materials but also serve as guidelines for execution of works, measurements and rates.

4 The cpwd SPECIFICATIONS were first compiled in 1950. Subsequently, these SPECIFICATIONS have been revised in the years 1962, 1967, 1977 and 1996. Many new items and construction technologies, which are used in various cpwd works and projects have been incorporated in Delhi Schedule of Rates of cpwd . Some items have become obsolete over a period of time and are not in use. Further, there were no SPECIFICATIONS for pile work, aluminium work, water proofing, & Horticulture and Landscape.

5 cpwd SPECIFICATIONS have been accordingly modified/ revised and updated to incorporate the above changes. The revised/updated SPECIFICATIONS are being published in two volumes. I wish to place on record the effective coordination on the part of Shri , ADG(WS)(TD) and the technical inputs and the efforts by Shri Virendra Sharma, (CSQ), Tilak, SE(TAS), Sh. , EE, Sh. , EE and Sh. , EE in finalising these SPECIFICATIONS . I am sure that these SPECIFICATIONS will be useful to all concerned in the building industry in general and cpwd in particular.

6 ( Sachdev) Director General (Works) New Delhi July, 2009 (v) PREFACE cpwd SPECIFICATIONS , 2009 are the revised edition of existing cpwd SPECIFICATIONS . cpwd SPECIFICATIONS , 2009 shall be a bilingual document (Hindi version will follow). cpwd SPECIFICATIONS , 2009 is published in two volumes as under: Volume Number Sub-head No.

7 Contents/ Chapters General Carriage of Materials Earth Work Mortars Concrete Work Reinforced Cement Concrete Work Brick Work Stone Work Marble Work Wood Work and PVC Work Steel Work Flooring One Roofing Finishing Repairs to Buildings

8 Dismantling and Demolishing Road Work Sanitary Installation Water Supply Drainage Pile Work Aluminium Work Water Proofing Two Horticulture and Landscape cpwd SPECIFICATIONS , 2009 will replace existing cpwd SPECIFICATIONS , 1996 along with correction slips.

9 The SPECIFICATIONS of many items have been updated and improved by making them more comprehensive. SPECIFICATIONS of items, which have become obsolete over a period (vi) of time or are not in use, have been deleted. Many new items using new materials and latest technology have also been added.

10 Details of new construction technology/ mechanisation have been introduced for execution of different works by using various electrical and mechanical equipments excavators, tower cranes, mobile cranes, mechanical platforms, Batch Mix plant, transit mixers and pumps, piling rigs, pneumatic cutters, chisels, chippers, hammers etc. SPECIFICATIONS of dry work for speedier construction using prefabricated materials and pre-finished elements are included viz gypsum block walls, calcium silicate and non-asbestos cement board partitions, pre-finished counter tops for kitchen and washbasins, pre-moulded and pre-finished stone work in risers and treads of steps and window sills, dry stone cladding, sub-frames for windows, use of chemical and mechanical fasteners.