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Date: 10-Feb-2025 Category: Extra Ordinary State: Union Government Country: India

In pursuance of Sub rule (1) of Rule (15) of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Indian standards,

Issued by Bureau of Indian Standards · Not Applicable

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Executive Summary & Key Takeaways

What it means

  • The gazette notification issued by the Bureau of Indian Standards (BIS) announces the establishment of new Indian standards and the withdrawal of older, superseded standards. This is done in accordance with Rule 15(1) of the Bureau of Indian Standards Rules, 2018. The new standards are effective from January 29, 2025, while the older standards will be withdrawn on July 29, 2025.

Key Changes

  • IS 7422 (Part 5) : 2025 replaces IS 7422 (Part 5) : 1992 concerning symbols and abbreviations for use in geological maps.
  • IS 13371 : 2025 (ISO 3455 : 2021) replaces IS 13371 : 2014 (ISO 3455 : 2007) regarding the calibration of current-meters in straight open tanks.
  • IS 14476 (Part 1 to 9) : 2025 replaces IS 14476 (Part 1 to 9) : 1998 concerning the code of practice for pumping tests of water wells.
  • IS 14615 (Part 1) : 2025 (ISO 5167-1 : 2022) replaces IS 14615 (Part 1) : 2018 (ISO 5167-1 : 2003) regarding the measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full.
  • IS 14615 (Part 2) : 2025 (ISO 5167-2 : 2022) replaces IS 14615 (Part 2) : 2018 (ISO 5167-2 : 2003) concerning orifice plates used in the measurement of fluid flow.
  • IS 14615 (Part 4) : 2025 (ISO 5167-4 : 2022) replaces IS 14615 (Part 4) : 2018 (ISO 5167-4 : 2003) concerning venturi tubes used in the measurement of fluid flow.
  • IS 14869 : 2025 (ISO 4359 : 2022) replaces IS 14869 : 2016 (ISO 4359 : 2013) regarding flow measurement structures, specifically rectangular, trapezoidal and U-shaped flumes.
  • IS 14973 : 2025 (ISO 3966 : 2020) replaces IS 14973 : 2019 (ISO 3966 : 2008) concerning the measurement of fluid flow in closed conduits using the velocity area method with a pitot static tube.
  • All older standards being replaced will be withdrawn on July 29, 2025.

Impact Analysis

Manufacturers and Suppliers

  • Review existing product certifications and update them to reflect the new standards.

Testing and Certification Bodies

  • Inform clients about the changes in standards and their implications for product certification.

Government Agencies and Regulators

  • Disseminate information about the updated standards to relevant stakeholders within the government.

Engineers and Consultants

  • Attend training sessions or workshops to understand the practical implications of the changes.

Key Entities Referenced

Bureau of Indian Standards (BIS): The national standards body of India responsible for formulating, implementing, and promoting standards. Bureau of Indian Standards Rules, 2018: The set of rules governing the operations and functions of the Bureau of Indian Standards. IS 7422 (Part 5): Indian Standard for Symbols and Abbreviations for Use in Geological Maps, Sections and Subsurface Exploratory Logs. IS 13371: Indian Standard for Hydrometry — Calibration of Current-Meters in Straight Open Tanks. ISO 3455: International Organization for Standardization standard related to Hydrometry — Calibration of Current-Meters in Straight Open Tanks. IS 14476 (Part 1 to 9): Indian Standard for Pumping Test of Water Wells — Code of Practice. IS 14615 (Part 1): Indian Standard for Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross Section Conduits Running Full - Part 1 General Principles and Requirements. ISO 5167-1: International Organization for Standardization standard related to Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 1: General principles and requirements IS 14615 (Part 2): Indian Standard for Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross Section Conduits Running Full - Part 2 Orifice Plates. ISO 5167-2: International Organization for Standardization standard related to Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 2: Orifice plates IS 14615 (Part 4): Indian Standard for Measurement of Fluid Flow by Means of Pressure Differential Devices Inserted in Circular Cross Section Conduits Running Full - Part 4 Venturi Tubes. ISO 5167-4: International Organization for Standardization standard related to Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 4: Venturi tubes IS 14869: Indian Standard for Flow Measurement Structures — Rectangular, Trapezoidal and U-Shaped Flumes. ISO 4359: International Organization for Standardization standard related to Flow measurement structures — Rectangular, trapezoidal and U-shaped flumes IS 14973: Indian Standard for Measurement of Fluid Flow in Closed Conduits — Velocity Area Method Using Pitot Static Tube. ISO 3966: International Organization for Standardization standard related to Measurement of fluid flow in closed conduits — Velocity area method using Pitot static tubes
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रजिस्ट्री स.ं डी.एल.- 33004/99 REGD. No. D. L.-33004/99 सी.जी.-डी.एल.-अ.-11022025-260891 xxxGIDHxxx CG-DL-E-11022025-260891 xxxGIDExxx असाधारण EXTRAORDINARY भाग III—खण् ड 4 PART III—Section 4 प्राजधकार स ेप्रकाजित PUBLISHED BY AUTHORITY स.ं 98] नई दिल्ली, सोमिार, फ़रिरी 10, 2025/माघ 21, 1946 No. 98] NEW DELHI, MONDAY, FEBRUARY 10, 2025/MAGHA 21, 1946 भारतीय मानक ब्य रू ो (उपभोक्त ा मामल ेजिभाग) अजधसचू ना नई दिल्ली, 30 िनिरी 2025 सिं भ:भ HQ-PUB013/1/2020-PUB-BIS (1154) .––– भारतीय मानक ब्यूरो जनयम, 2018 के जनयम 15 के उपजनयम (1) के अनुसरण में भारतीय मानक ब्यरू ो एतिद्वारा अजधसूजचत करता ह ै की जिन भारतीय मानकों के जििरण इसमें संलग्न अनूसूची के जद्वतीय स्ट्तंभ में दिये गये ह,ैं तीसरे स्ट्तंभ में इंजगत जतजि को स्ट्िाजपत हो गये ह|ैं चौिे स्ट्तंभ में दिये गये मानकों के जििरण, यदि कोई हो तो िे भी साि-साि लाग ू रहगें े िब तक िे पाचाँ िें स्ट्तंभ में इंजगत जतजि को िापस जलए िाने ह|ैं 995 GI/2025 (1)2 THE GAZETTE OF INDIA : EXTRAORDINARY [PART III—SEC.4] अनसु चू ी क्रम स्ट्िाजपत भारतीय मानकों की प्रजतस्ट्िापन भारतीय मानकों, यदि िापस जलए िापस होन ेकी स.ं सख्ं या, िर् भतिा िीर्कभ जतजि जतजि िान ेह,ैं की सख्ं या, िर् भतिा िीर्कभ (1) (2) (3) (4) (5) 1 आई एस 7422 (भाग 5) : 2025 आई एस 7422 (भाग 5) : 1992 29 िनिरी 29 िुलाई भूिैज्ञाजनक मानजचत्र, खंड और भूिैज्ञाजनक, नक्ि,े खंड और उपसतह 2025 2025 उपसतही अन्िेर्ी लॉग में प्रयुक्त सम्बजन्धत लॉग म ेंप्रयुक्त प्रतीक और जचन्ह और संजिप्त रूप भाग 5 संजिजप्तयााँ भाग 5 रचना, सम्पकभ तिा रचना, सम्पकभ तिा संरचनात्मक संरचनात्मक आकृजतयों के जलए रैजखक आकृजतयों के जलए रैजखक जचन्ह प्रतीक (पहला पुनरीिण) 2 आई एस 13371 : 2025 आई एस 13371 : 2014 29 िनिरी 29 िुलाई आई एस ओ 3455 : 2021 आई एस ओ 3455 : 2007 2025 2025 िलजमजत — सीधे खलु े टैंकों म ें िलजमजत — सीधे खलु े टैंकों म ेंकरेंट- करंट-मीटरों का अंििोधन मीटरों का अंििोधन (िसू रा पनु रीिण) (पहला पुनरीिण) 3 आई एस 14476 (भाग 1 स े 9) : आई एस 14476 (भाग 1 स े 9) : 29 िनिरी 29 िुलाई 2025 1998 2025 2025 िलकूपों का पमम्पगं परीिण — िलकूपों का परीिण पंपन — रीजत रीजत संजहता (पहला पुनरीिण) संजहता 4 आई एस 14615 (भाग 1) : 2025 आई एस 14615 (भाग 1) : 2018 29 िनिरी 29 िुलाई आई एस ओ 5167-1 : 2022 आई एस ओ 5167-1 : 2003 2025 2025 पूणभ भरे बहाि िाली िृत्ताकार पूणभ भरे बहाि िाले िृत्ताकार अनुप्रस्ट्ि अनुप्रस्ट्ि काट की िाजहकाओं में काट िाले कंड्यडू म ें प्रजिष्ट िाब जिभेिी जिभेिक िबाि उपकरणों के माध्यम युजक्तयों द्वारा द्रि प्रिाह का मापन से द्रि प्रिाह मापन भाग 1 सामान्य जसद्ांत एि ंअपेिाए ाँ भाग 1 सामान्य जसद्ांत एि ं (पहला पुनरीिण) अपेिाएाँ (िसू रा पनु रीिण) 5 आई एस 14615 (भाग 2) : 2025 आई एस 14615 (भाग 2) : 2018 29 िनिरी 29 िुलाई आई एस ओ 5167-2 : 2022 आई एस ओ 5167-2 : 2003 2025 2025 पूणभ भरे बहाि िाली िृत्ताकार पूणभ भरे बहाि िाले िृत्ताकार अनुप्रस्ट्ि अनुप्रस्ट्ि काट की िाजहकाओं में काट िाले कंड्यडू म ें प्रजिष्ट िाब जिभेिी जिभेिक िबाि उपकरणों के माध्यम युजक्तयों द्वारा द्रि प्रिाह का मापन[भाग III—खण् ड 4] भारत का रािपत्र : असाधारण 3 क्रम स्ट्िाजपत भारतीय मानकों की प्रजतस्ट्िापन भारतीय मानकों, यदि िापस जलए िापस होन ेकी स.ं सख्ं या, िर् भतिा िीर्कभ जतजि जतजि िान ेह,ैं की सख्ं या, िर् भतिा िीर्कभ (1) (2) (3) (4) (5) से द्रि प्रिाह मापन भाग 2 जिद्रयुक्त प्लेट भाग 2 ऑररदफ़स प्लेट (पहला पुनरीिण) 6 आई एस 14615 (भाग 4) : 2025 आई एस 14615 (भाग 4) : 2018 29 िनिरी 29 िुलाई आई एस ओ 5167-4 : 2022 आई एस ओ 5167-4 : 2003 2025 2025 पूणभ भरे बहाि िाली िृत्ताकार पूणभ भरे बहाि िाले िृत्ताकार अनुप्रस्ट्ि अनुप्रस्ट्ि काट की िाजहकाओं में काट िाले कंड्यडू म ेंप्रजिष्ट िाब जिभेिी जिभेिक िबाि उपकरणों के माध्यम युजक्तयों द्वारा द्रि प्रिाह का मापन से द्रि प्रिाह मापन भाग 4 िेन्चरु ी नजलका भाग 4 िेन्चरु ी नजलकाएाँ (पहला पुनरीिण) 7 आई एस 14869 : 2025 आई एस 14869 : 2016 29 िनिरी 29 िुलाई आई एस ओ 4359 : 2022 आई एस ओ 4359 : 2013 2025 2025 प्रिाह मापन संरचनाए ाँ — प्रिाह मापन संरचनाए ाँ — आयताकार, आयताकार, समलंबी और U- समलंबी और U-आकार अिनाजलका आकार अिनाजलकाएाँ (पहला पुनरीिण) (िसू रा पनु रीिण) 8 आई एस 14973 : 2025 आई एस 14973 : 2019 29 िनिरी 29 िुलाई आई एस ओ 3966 : 2020 आई एस ओ 3966 : 2008 2025 2025 बंि िाजहकाओं में द्रि प्रिाह मापन बंि नाली म ेंद्रि प्रिाह का मापन — — जपटोट स्ट्टेरटक ट्यूब द्वारा िेग जपटोट स्ट्टेरटक ट्यूब का उपयोग करत े िेत्र पद्जत हुए िेग िेत्र जिजध (पहला पुनरीिण) (िसू रा पनु रीिण) जचत्रा गुप्ता, िैज्ञाजनक िी एिं उप महाजनिेिक (हॉलमार्किंग एि ं रेमनंग) [जिज्ञापन-III/4/असा./955/2024-25] BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs) NOTIFICATION New Delhi,the 30th January 2025 Ref: HQ-PUB013/1/2020-PUB-BIS (1154)–– In pursuance of Sub-rule (1) of Rule (15) of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Indian standards, particulars of which are given in the second column of the schedule hereto annexed have been established on the date indicated against it in third column. The particulars of the standards, if any which4 THE GAZETTE OF INDIA : EXTRAORDINARY [PART III—SEC.4] are given in the fourth column shall also remain in force concurrently till they are withdrawn on the date indicated against them in the fifth column. SCHEDULE Sl. No., Year & Title of the Date of No. , Year & Title of the Date of No. Indian Standards Establishment Indian Standards to be withdrawal Established withdrawn, if any (1) (2) (3) (4) (5) 1 IS 7422 (Part 5) : 2025 IS 7422 (Part 5) : 1992 Symbols and Abbreviations for 29 January 2025 Symbols and Abbreviations 29 July 2025 Use in Geological Maps, for Use in Geological Maps, Sections and Subsurface Sections and Sub-Surface Exploratory Logs Part 5 Line Exploratory Logs Symbols for Formation Part 5 Line Symbols for Contacts and Structural Formation Contacts and Features Structural Features (First Revision) 2 IS 13371 : 2025 IS 13371 : 2014 ISO 3455 : 2021 29 January 2025 ISO 3455 : 2007 29 July 2025 Hydrometry — Calibration of Hydrometry — Calibration of Current-Meters in Straight Current-Meters in Straight Open Tanks Open Tanks (Second Revision) (First Revision) 3 IS 14476 (Part 1 to 9) : 2025 IS 14476 (Part 1 to 9) : 1998 Pumping Test of Water Wells 29 January 2025 Test Pumping of Water Wells 29 July 2025 —Code of Practice — Code of Practice (First Revision) 4 IS 14615 (Part 1) : 2025 IS 14615 (Part 1) : 2018 ISO 5167-1 : 2022 29 January 2025 ISO 5167-1 : 2003 29 July 2025 Measurement of Fluid Flow by Measurement of Fluid Flow Means of Pressure Differential by Means of Pressure Devices Inserted in Circular Differential Devices Inserted Cross Section Conduits in Circular Cross-Section Running Full Conduits Running Full Part 1 General Principles and Part 1 General Principles and Requirements Requirements (Second Revision) (First Revision) 5 IS 14615 (Part 2) : 2025 IS 14615 (Part 2) : 2018 ISO 5167-2 : 2022 29 January 2025 ISO 5167-2 : 2003 29 July 2025 Measurement of Fluid Flow by Measurement of Fluid Flow Means of Pressure Differential by Means of Pressure Devices Inserted in Circular Differential Devices Inserted Cross Section Conduits in Circular Cross-Section Running Full Conduits Running Full Part 2 Orifice Plates Part 2 Orifice Plates[भाग III—खण् ड 4] भारत का रािपत्र : असाधारण 5 Sl. No., Year & Title of the Date of No. , Year & Title of the Date of No. Indian Standards Establishment Indian Standards to be withdrawal Established withdrawn, if any (1) (2) (3) (4) (5) (First Revision) 6 IS 14615 (Part 4) : 2025 IS 14615 (Part 4) : 2018 ISO 5167-4 : 2022 29 January 2025 ISO 5167-4 : 2003 29 July 2025 Measurement of Fluid Flow by Measurement of Fluid Flow Means of Pressure Differential by Means of Pressure Devices Inserted in Circular Differential Devices Inserted Cross Section Conduits in Circular Cross-Section Running Full Conduits Running Full Part 4 Venturi Tubes Part 4 Venturi Tubes (First Revision) 7 IS 14869 : 2025 IS 14869 : 2016 ISO 4359 : 2022 29 January 2025 ISO 4359 : 2013 29 July 2025 Flow Measurement Structures Flow Measurement Structures — Rectangular, Trapezoidal — Rectangular, Trapezoidal and U-Shaped Flumes and U-Shaped Flumes (Second Revision) (First Revision) 8 IS 14973 : 2025 IS 14973 : 2019 ISO 3966 : 2020 29 January 2025 ISO 3966 : 2008 29 July 2025 Measurement of Fluid Flow in Measurement of Fluid Flow Closed Conduits — Velocity in Closed Conduits — Area Method Using Pitot Velocity Area Method Using Static Tube Pitot Static Tube (Second Revision) (First Revision) CHITRA GUPTA ,Scientist G & DDG (Hallmarking and Training) [ADVT.-III/4/Exty./955/2024-25] Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, New Delhi-110064 and Published by the Controller of Publications, Delhi-110054.

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