ISA TR12.24.01 : 1998
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS CLASSIFIED AS CLASS 1, ZONE 0, ZONE 1, OR ZONE 2
05-01-2015
01-01-1998
Foreword
1 General
1.1 Scope
1.2 References
1.3 Purpose
2 Definitions and terms
2.10 Explosive limits
3 Safety and area classification
3.1 Safety principles
3.2 Area classification objective
4 Area classification procedure
4.1 General
4.2 Sources of release
4.3 Type of Zone
4.4 Extent of Zone
4.5 Extent of zone - General comments
5 Ventilation
5.1 General
5.2 Main types of ventilation
5.3 Degree of ventilation
5.4 Availability of ventilation
6 Documentation
6.1 General
6.2 Drawings, data sheets and tables
Annex A (Informative) Examples of sources of release
A.1 Process plants and facilities
A.2 Openings
Annex B (Informative) ventilation
B.1 Natural ventilation
B.2 Artificial ventilation
B.3 Degree of ventilation
B.4 Assessment of degree of ventilation and its
influence on the hazardous area
B.5 Availability of ventilation
B.6 Practical guide
B.7 Calculations to ascertain the degree of ventilation
Annex C (Informative) Examples of hazardous area classification
Annex D (Informative) Use of combustible gas detection equipment
Annex E (Informative) United States major deviations
Describes the classification of hazardous areas where flammable gas or vapor risks may arise, in order to permit the proper selection and installation of apparatus for use in such hazardous areas.
| Committee |
SP12
|
| DevelopmentNote |
Supersedes and Renumbers ISA RP12.24.01. (06/2014)
|
| DocumentType |
Standard
|
| PublisherName |
International Society of Automation
|
| Status |
Withdrawn
|
| Supersedes |
| ISA 12.13.01 : 2003 | PERFORMANCE REQUIREMENTS FOR COMBUSTIBLE GAS DETECTORS |
| ISA TR12.13.03 : 2009 | GUIDE FOR COMBUSTIBLE GAS DETECTION AS A METHOD OF PROTECTION |
| ISA 60079-29-2 : 2012 | EXPLOSIVE ATMOSPHERES - PART 29-2: GAS DETECTORS - SELECTION, INSTALLATION, USE AND MAINTENANCE OF DETECTORS FOR FLAMMABLE GASES AND OXYGEN |
| API 14F : 2008 : R2013 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| IEEE 45.1-2017 | IEEE Recommended Practice for Electrical Installations on Shipboard--Design |
| API RP 14F:2008 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| API 14FZ : 2013 | RECOMMENDED PRACTICE FOR DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, ZONE 0, ZONE 1, AND ZONE 2 LOCATIONS |
| API 14F REDLINE : 2008 | DESIGN, INSTALLATION, AND MAINTENANCE OF ELECTRICAL SYSTEMS FOR FIXED AND FLOATING OFFSHORE PETROLEUM FACILITIES FOR UNCLASSIFIED AND CLASS 1, DIVISION 1 AND DIVISION 2 LOCATIONS |
| API 500 : 2012 | RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PETROLEUM FACILITIES CLASSIFIED AS CLASS 1, DIVISION 1 AND DIVISION 2 |
| PIP ELEHA01 : 2016 | ENGINEERING GUIDE FOR DETERMINING ELECTRICAL AREA CLASSIFICATION |
| NFPA 70 : 2017 | NATIONAL ELECTRICAL CODE |
| ISA 12.13-1 : 1995 | PERFORMANCE REQUIREMENTS, COMBUSTIBLE GAS DETECTORS |
| IP 15 : 2015 | PETROLEUM PRODUCTS - DETERMINATION OF POUR POINT |
| NFPA 30 : 2018 | FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE |
| ISA RP12.13.02 : 2003 | INSTALLATION, OPERATION, AND MAINTENANCE OF COMBUSTIBLE GAS DETECTION INSTRUMENTS |
| NFPA 325M : 1991 | FIRE HAZARD PROPERTIES OF FLAMMABLE LIQUIDS, GASES, AND VOLATILE SOLIDS |
| ASTM E 659 : 2015 : REDLINE | Standard Test Method for Autoignition Temperature of Chemicals |
| NFPA 497 : 2017 | CLASSIFICATION OF FLAMMABLE LIQUIDS, GASES, OR VAPORS AND OF HAZARDOUS (CLASSIFIED) LOCATIONS FOR ELECTRICAL INSTALLATIONS IN CHEMICAL PROCESS AREAS |
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