Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

इंटरनेट मानक

“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda

“Invent a New India Using Knowledge”

“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru

“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 712 (1984): Specification for Building Limes [CED 4:Building Limes and Gypsum Products]

Gr3

IS: 712 ·1984(Reaffirmed 2005)

Indian StandardSPECIFICATION FOR

BUILDING LIMES

( Third Revision)

Fourth Reprint MAY 2009(Including Amendment No. 1)

ODe 691.51

© Copyright 1985

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

June 1985

IS : 712 - 1984

Indian StandardSPECIFICATION FOR

BUILDING LIMES

(Third Revision)

Building Limes Sectional Committee, BDC 4

ChairmanSHRl C. D. THATTE

Representing

Gujarat Engineering Research Institute, Vadodara

Cement Research Institute of India, New DelhiEngineer-in-Chief's Branch ( Ministry of Defence ),

New Delhi

MembersRESEARCHOFFICER ( GERI ) ( Alternate to

Shri C. D. Thatte )DR S. C. AHLUWALIASHRl S. P. S. AHUJA

MAJ S. P. SHARMA ( Alternate)SHRl S. K. BANERJEE National Test House, Calcutta

SliRI D. K. KANUGO (Alternate)SHRl B. K. CHAKRABORTY Housing & Urban Development Corporation, New

DelhiSHRl P. S. SRIVASTAVA (Alternate)

SHRl S. K. 'CHAUDHARY Lime Manufacturers Association of India. DelhiDIRECTOR . A. P. Engineering Research Laboratories, Hyderabad

JOINT DIRECTOR (Alternate)HOUSING COMMlSSIONEU Rajasthan Housing Board, Jaipur

RESIDENCE ENGINEER ( HQ) ( Alternate)SHRl K. S. INAMDAR Public Works Department, Government of Madhya

Pradesh, BhopalSHRI M. V. NAGRAJ RAO ( Alternate)

JOINT DIRECTOR, RESEARCH Ministry of Railways( B & S)

DEPUTY DIRECTOR,RESEARCH( B & S ) ( Alternate)

SHRl V. LAKSHMIKANTHAN Khadi & Village Industries Commission, BombaySHRl E. RAMACHANDRAN ( Alternate)

SHRl N. MACEDO Dyer's Stone Lime Co Pvt Ltd, DelhiSHRl H. L. MARWAH Builder's Association of India, Bombay

SHR! HARlSH C. KOHLI ( Alternate)DR IRSHAD MASOOD Central Building Research Institute (CSIR),

RoorkeeSHRl S. P. G ARG ( Alternate)

( Continued on page 2 )

© Copyright 1985BUREAU OF INDIAN STANDARDS

This publication is protected under the Indian Copyright Act (XIV of 1957) andreproduction in whole or in part by any means except with written permission of thepublisher shall be deemed to be an infringement of copyright under the said Act.

IS : 712 • 1984

( Omtiad from pa,. 1 )

Man1JersDR S. C. MAUDGALSBRi Y. R. PBULL

~Department ofScience It Technology, New DelhiCentral Roard Research Institute (CSIR), New

DelhiSBRI M. L. BIlATIA ( AlImtaU ) .

DR A. V. R. R AO National BuildiDgs Organization, New DIllhiSBRIJ. SBNGUPTA ( AltmatIU)

S:BRi K. V. SINOIl Department of Mines It Geo1f!8.Y. _CoverDJDellt-Rajasthan, Udaipur

SURI]. N. KAKAR (Alurruze.)SBRI C. SUDHINDRA Central·Sod It Materiab Research Station, New

DelhiSBRIS.B.SUUI{Alurruzk)

SuPBRINTENDING ENG I NEB R Public Works Department, Government ofTamilnadu.( PLANNING & DBSING ) Madras

ExECUTIVt; ENG I NEB R( BUILDING CE~RE DIVISION) ( AlkttltlU)

SUPERINTJo."NDING SURVEYOR OF Central Public Works Department, New DelhiWORKS (NDZ)

SURVKY()R OF WORKs-I( NDZ ) ( Alternate )

SURI G. RAJ,lAN, Director General, lSI ( E1HJ/i&io MmJur )Director ( Civ Engg )

SureIiuJSJUn N. C. BANDYOPADBYAY

Deputy Director ( Civ Engg ), lSI

2

AMENDMENT NO. 1 JANUARY 1989TO

IS : 712 - 1984 SPECIFICATION FOR BUILDINGLIMES

( Third Revision )

Sf No. (viii) ] - Substitute the following for the

(4) (5) (6) (7) (8) (9) (10) (11) (12) (13)- 75 ( on 75 (on - IS : 1514 -

dry basis) ignited 19S9§basis)

[ Page 7, Table i,existing item:(I) (2) (3)viii) Available -

lime asCaO, per­cent,.minimum

(BDC 4)

MENDMENT NO.2 SEPTEIHBER 1989TO

IS : 289 - 1963 SPECIFICATIONOR ALUMINIUM PASTE FOR PAINTS

( Revised)

( Page 7, clause A-3.t ) - Insert the following after this clause:

'or

Petrez SP - 90 Resin'

(CDC 8)

Printed at New India Printing Press, Khurja. lndia

IS : 712 - 1984

Indian StandardSPECIFICATION FOR

BUILDING LIMES

(Third Revision)

o. FOREWORD

0.1 This Indian Standard ( Third Revision) was adopted by the IndianStandards Institution on 21 December 1984, after the draft finalized bythe Building Limes Sectional Committee had been approved by the CivilEngineering Division Council.

0.2 Lime has been used in India as a material of construction fromvery ancient days. The manner in which lime structures about 2 000years old have withstood the ravages of time bear irrefutable evidenceto the durability of lime mortars.

0.3 The vastness of the country and its varied geological character hasmade available several types of limestones suitable fOr burning to obtainbuilding limes. Due to the variability of limestone from place to placethe resulting lime may be expected to vary in quality. While it has notbeen found possible to make strict comparison of characteristics of themany types of limes obtained, this aspect has been given full considerationin the preparation of this standard. -

0.4 The method of manufacturing building limes and the manner inwhich they are used in construction work differ from one part of thecountry to another. For instance, in the south, lime mortar is generallyprepared by grinding a mixture of slaked lime and sand in suitableproportions in a bullock mill while in Punjab, lime putty is mixedwith sand and the mix used as mortar directly. Besides, defects causedby adulteration with undesirable admixtures, differences in the methodof burning, slaking, storing' and using have appreciably affected thequality of lime and in the absence of suitable standards for checking thequality, the use of lime in building construction has come to be dis­couraged to a large extent. At a time when necessity has been felt tomake full use of our construction material resources, the formulation ofa specification for building limes and its adoption are expected to bringabout a more judicious use of limes for construction -purposes.

3

IS : 712 • 1984

0.5 This standard was first published· in 1956 to bring out a long feltneed for uniformity in the variety of practices being followed towardsmanufacture and use of lime in construction work. The standard wassubsequently revised in 1964 and in 1973. This revision has been takenup to keep abreast with the developments and modifications foundnecessary with the usage of this standard. In this revision, requirementsfor dolomitic limes which are manufactured and used in large quantityin some parts of the country have been added, and the existing chemicalrequirements and fineness have been modified to recognise and utilizecertain type of lime, which otherwise was not covered. The requirementfor cementation value has been deleted as it is not directly relevant incase of lime.

0.6 For the purpose of deciding whether a particular requirement ofthis standard is complied with, the final value, observed or calculated,expressing the result of a test or analysis, shall .be rounded off inaccordance with IS : 2-1960*. The number ofsignificant places retainedin the rounded off value should be the same as that of the specified valuein this standard.

1. SCOPE

1.1 This standard covers the requirements for building limes used forconstruction purpose.

2. TERl.UNOLOGY

2.1 purpose of this standard, the definitions given in IS : 6508-1972t apply.

3. ClASSIFlCATION

3.1 Building limes shall be classified as follows:

Class A - Eminently hydraulic lime used for structural purposes.Class B - Semi-hydraulic lime used for masonry mortars, lime

concrete and plaster undercoat.Class C - Fatlime used for finishing coat in plastering, whitewash­

ing, composite mortars, etc, and with addition of pozzol­anie materials for masonry mortar.

Class D - Magnesium/dolomitic lime used for finishing coat inplastering, white washing, etc.

·Rules for rounding off numerical values ( revised).tGlossary of terms relating to building lime.

4

IS: 712 - 1984

Class E - Kankar lime used for masonry mortars.

Class F - Siliceous dolomitic lime used for undercoat and finishingcoat of plaster.

NOTE I - Lime shall be available either in hydrated or quick form, except thatof Classes A and E which shall be supplied in hydrated form.

NOTE 2 - Applications indicated are only suggestive,

4. CHEMICAL REQ.UIREMENTS

4~1 Building limes shall conform to the requirements given in Table I.

5. PHYSICAL REQ.UIREMENTS

5.1 Building limes shall conform to the requirements given in Table 2.

6. PACKING

6.1 The hydrated lime shall be supplied, in suitable containers, such asjute bags lined with polythene or high density polythene woven bagslined with polythene or craft paper bags, preferably containing 50 kg oflime.

NOTE - If the hydrated lime can be used within 30 days, use of liner may bedispensed with.

6.2 The quicklime shall be supplied in containers like metal containerDr similar suitable containers preferably containing 50 kg of lime.

7. MARKING

7.1 The lime packages shall bear the type and class of lime, the brandname of manufacturer, date of manufacture and the net weight; in caseof quicklime the slaking temperature shan be indicated.

7.1.1 Lime packages may also be marked with the Standard.Mark,

7.t.2 The use of the Standard Mark is governed by the provisions of Bureau ofIndian Standards Act, 1986 and the Rules and Regulations made thereunder.The details of conditions under which the licence for the use of Standard Markmay be granted to manufacturers or producers may be obtained from the Bureauof Indian Standards.

5

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IS : 712 - 1984

8. STORAGE

8.1 The lime shall be stored in 'such a manner as to permit easy accessfor proper inspection and in a suitable building to protect the lime fromthe dampness and to minimize warehouse deterioration.

NOTE - Quicklime deteriorates rapidly and, therefore, should be used as quickly aspossible.

9. SAMPLING AND CRITERION FOR CONFORMITY

9.1 The procedure of sampling and criterion for conformity shall be asgiven in Appendix A.

APPENDIX A( Clause 9 1 )

SAMPLING AND CRITERION FOR CONFORMITY

A-I. SAMPLES FOR TESnNG

A-I.I The samples for testing shall be taken by the purchaser or hisrepresentative at the manufacturer's works.

A-2. PROCEDURES FOR SAMPLING

A-2.I General - Sampling shall be earned out as quickly as possibleso that the material does not deteriorate. The total time occupied inmixing and quartering down the composite samples, and the preparationof the final test samples from this shall not exceed two hours. The 'finalsamples shall be three in number and shall be placed immediately inclean, dry and air-tight containers. When testing is not to be carriedout at once, the samples shall be enclosed, marked and sealed to thesatisfaction of all concerned, paying special attention to the air­tightness of the containers. Tools and containers shall be of materialfree from rust and shall be alkali resistant.

A-2.2 SlUDpliDg - From each lot, three final test samples. shall betaken as provided under A-2.2.I for quicklime and under A-2.2.2 forhydrated lime.

IO

IS : 712 - 1984

A-2.2.1 Qjlicklime - The slzeof the gross sample for lump quicklimeand powdered quicklime from each lot depends on the size of the lotand shall be as given in Table 3 and in A-2.2.1.1 and A-2.2.1.2.

TABLE 3 SAMPLE SIZE

LOT SIZE GROSS SAllIPLE SIZE GROSS SAllIPLE SIZE

FOR LUMP QUICK- FOR POWDERED

LIME QUICKLIME

(l) (2) (3)

Tonnes kg kg

Up to 100 500 250101 to 300 1000 500301 to 500 I 500 750501 to I 000 2000 I 000

A-2.~1i11 When the lump quicklime or powdered quicklime isavailable-in bulk, the gross sample shall be made up of at least 50 equalportions taken from the lot at equal intervals of loading or unloading tomake up the prescribed gross sample size. For stationary lots, the grosssample shall be collected from different parts of the stock pile in not lessthan 50 equal portions. The gross sample collected in the above mannershall be thoroughly mixed on a clean dry surface to about 20 kg for lumpquicklime and 10 kg for powdered quicklime by coning and quarteringmethod.

A-2.2.1.2 When the lump quicklime or powdered quicklime ispresented for sampling in packages, at least 25 percent of the packagesshall be opened and equal portions of the material shall be collected fromdifferent parts of the packages to make up the prescribed gross samplesize, The gross sample collected in the above manner shall be thoroughlymixed on a clean dry surface to about 20 kg for lump quicklime and10 kg for powdered quicklime by coning and quartering method.

A-2.2.2 Hydrated Lime -- The final samples, each of not less than 5 kg,shall be taken direct in the same manner as described under A-2.2.1.1and A-2.2.1.2 for powdered quicklime.

A-2.3 Material Cor Physical and Chemical Tests - Subsequently,at the time and place at which the tests and chemical analysis are to becarried out, the sample taken as described under A-2.2.1 and A-2.2.2shall be crushed to pass through 2'36 mm IS Sieve and thoroughly mixed.Slightly more quantity of lime than is sufficient for conducting the test!shall be taken. For chemical tests only, from the material finally chosen,a small quantity from the sample shall be ground and rejected in orderto ensure absence of contamination in the grinding equipment; and then

Jl

IS : 712 • 1984

about 100 g of the sample shall be rapidly ground with as little exposureto the air and water vapour as possible to pass through 300 micron ISSieve and placed in a small air-tight container. The remaining quan­tity shall be used for physical tests.

A-:J. CRITERION FOR CONFORMITY

A-:J.l The test sample prepared for each lot shall be subjected tovarious physical and chemical tests. The lot shall be declared conform­ing to this specification only if the sample passes all the prescribedtests.

12

GMGIPN-54 BIS/ND/09-100

BUREAU OF INDIAN STANDARDSHeadquarters:Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI 110002Telephones: 23230131,23233375,23239402 Fax: 91+01123239399,23239382E· Mail: info@bis.org.in website: http://www.bis.org.in

Central Laboratory:

Plot No. 20/9, Site IV,Sahibabad Industrial Area, SAHIBABAD 201010

Regional Offices:Central : Manak Bhavan, 9 Bahadur Shah Zafar Marg, NEW DELHI11 0002"Eastern ; 1/14 CIT Scheme VII M, V.I.P. Road, Kankurgachi, KOLKATA700054Northern: SCO 335-336, Sector 34-A, CHANDIGARH 160022

Southern: C.I.T.Campus, IV Cross Road, CHENNAI600113tWestern: Manakalaya, E9, MIDC, Behind MarolTelephone Exchange,

Andheri (East), MUMBAI400093

Branch Offices:

'Pushpak', Nurmohamed Shaikh Marg, Khanpur, AHMEDABAD 380001Peenya Industrial Area, 1st Stage, Bangalore-Tumkur Road, BANGALORECommercial-cum-Office Complex, Opp. Dushera Maidan, Arera Colony,

Bittan Market, BHOPAL 46201662-63, Ganga Nagar, Unit VI, BHUBANESHWAR 7510015'hFloor, Kovai Towers, 44 Bala Sundaram Road, COIMBATORE 641018SCO 21, Sector 12, Faridabad 121007Savitri Complex, 116 G.T. Road, GHAZIABAD 20100153/5 Ward No. 29, R.G. Barua Road, 5th By-lane, Apurba Sinha Path,

GUWAHATI7810035-8-56C, L.N. Gupta Marg, Nampally Station Road, HYDERABAD 500001Prithavi Raj Road, Opposite Bharat Overseas Bank, C-Scheme, JAIPUR 30200111/418 B, Sarvodaya Nagar, KANPUR 208005

Sethi Shawan, 2nd Floor, Behind Leela Cinema, Naval Kishore Road,LUCKNOW 226001

H. No. 15, Sector-S, PARWANOO, Distt. Solan (H.P.) 173220Plot No A-20-21 , Institutional Area, Sector 62, Goutam Budh Nagar, NOIDA 201307Patliputra Industrial Estate, PATNA800013Plot Nos. 657-660, MarketYard, Gultkdi, PUNE 411037

"Sahajanand House" 3rd Floor, Bhaktinagar Circle, 80 Feet Road,RAJKOT 360002

r.c. No. 2/275 (1 & 2), Near Food Corporation of India, Kesavadasapuram-Ulloor Road,Kesavadasapuram, THIRUVANANTHAPURAM 695004

1st Floor, Udyog Bhavan, VUDA, Siripuram Junction, VISHAKHAPATNAM-03

·Sales Office is at 5 Chowringhee Approach, P.O.Princep Street, KOLKATA 700072tSales Office (WRO) Plot No. E-9, MIDC, Rd No.8, Behind Telephone Exchange,

Andheri (East), Mumbai-400 0093

PRINTED BYTHE GENERAL MANAGER, GOVT. OF INDIAPRESS, NASHIK-422 006

Telephone

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