Figure 20, or figure 21, when the source is adequately ventilated and the. Api rp 505 201808 recommended practice for classification of locations for electrical installations at petroleum facilities classified as class i. Ansiapi rp 505 r2002 recommended practice for classification of locations for electrical installations at petroleum facilities classified as class i, zone 0, and zone 2 edition. The energy in the system is maintained below that needed to ignite the.
Basic definitions provided in the national electrical code have been followed in developing this document, which applies to the classification of locations for both temporarily. Introduction to article 500hazardous classified locations a hazardous classified location is an area where the possibility of fire or explosion can be created by the presence of flam mable or combustible gases or vapors, combustible dusts, or easily ignitable fibersflyings. Note recommendations for determining the degree and extent of locations classified class i, zone 0, zone 1, and zone 2 are addressed in api 505, recommended practice for classification of locations for electrical installations at petroleum facilities. Recommended practice for occupational safety for onshore oil and gas production operations 1 general 1. Topics hazardous area classification collection opensource language english. Api rp 505 classification of locations for electrical. These are low energy systems designed to assure safety by eliminating the ignition source leg of the fire triangle. Api 505 errata errata recommended practice for classification of locations for electrical installations at petroleum facilities classified as class i, zone 0, and zone 2. This international standard is based on api recommended practice 10f and supercedes api rp 10f, second edition, november, 1995. Api rp 64 recommended practice for diverter systems. Upstream 500 505 api rp course covers the preparation, installation, inspection and maintenance of electricalinstrument equipment used in explosive atmospheres.
This recommended practice rp is intended to provide accurate information that can serve as a guide for selection, installation, testing, and operation of diverter equipment systems on land and marine drilling rigs barge, platform, bottomsupported, and floating. Installations at petroleum facilities classified as class i, zone 0, zone1, zone2. Api rp 505 classification of locations for electrical installations 1997 author. No part of the printed publication, nor any part of this electronic file, may be reproduced or transmitted in any form, including transmittal by email, by file transfer protocol ftp, or by being made part of a networkaccessible system, without the prior written permission of the publisher, american petroleum institute. Recommended practice for occupational safety for onshore. Api rp 505 ip 15api rp 505 ip 15 unclassified 1st edition generates a zone 2 3rd edition 3rd edition unclassified except if there is a number of possible leak sources close. Api rp 500 rp 505 rp 520 rp521 rp550 rp551 std 607 std 620 rp752 rp 1102 std 2000 rp 2003 classfication of locations for electrical installations at petroleum facilities recommended practice for classification of locations for electrical illstallations at petroleum facilities classified as class i, zone 0, zone j and zone 2. Recommended practice for classification of locations. Isodis 158en, petroleum and natural gas industries. A catalog of api publications and materials is published annually by api, 1220 l street, nw, washington, dc 20005. The american petroleum institute has released the fourth edition of recommended practice 54 rp 54, occupational safety and health for oil and gas well drilling and servicing operations, which provides procedures for promoting and maintaining safe and healthy working conditions for personnel in drilling and well servicing. American society of heating, refrigeration and airconditioning engineersashrae, inc.
For relief valves venting to atmosphere, the classified area shall be determined by. By order of the executive director office of the federal register washington, d. Rp for classification of locations for electrical installations at petroleum facilities classified as class i, zone 0, zone 1, and zone 2 497 downloads 1988 views 11mb size report this content was uploaded by our users and we assume good faith they have the permission to share this book. Engineering guide for determining electrical area classification september 2016 process industry practices page 5 of 16 5. This content was uploaded by our users and we assume good faith they have the permission to share this book.
Once a pdf file has been bound to a computer, it can be opened only from that computer. Api rp 571 second edition pdf best of all, they are entirely free to find, use and download, so there is no cost or stress at all. Upstream 500 505 api rp provides delegates with competency based knowledge and understanding on the 500 505 api rp terminology and protection concepts utilized in explosive areas. The purpose of this recommended practice rp is to provide guidelines for classifying locations class i, zone 0, zone 1, and zone 2 at petroleum facilities for the selection and installation of electrical equipment. This document is published by american petroleum institute api. This publication is related to an api licensing, certification, or accreditation program. Api 505 classification location electrical created date. Electrical installations in areas where flammable liquids, flammable gases or vapors, or combustible liquids. Recommended practice for classification of locations for electrical. Api rp 505, recommended practice for classification of locations for electrical installations at petroleum facilities classified as class i, zone 0, zone 1, and zone 2, 2002, reaffirmed 20. Recommended practice for hazardous area classification of locations for electrical installations at petroleum facilities. Users of this international standard should be aware that further or differing requirements may be needed for individual applications. Based on api rp 505, the recommended ventilation for hazardous and nonhazardous areas is 12 and 6 ach respectively.
Electrical installations at petroleum facilities classified as. Api rp 2d 6th edition pdf best of all, they are entirely free to find, use and download, so there is no cost or stress at all. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. This course aims at using both practical and theoretical assessments, covering protection concepts to validate a candidates core. The protection techniques listed in api rp 14f and 14fz are listed below for divisions and zones. Api rp 505 recommended practice for classification of. Recommended practice for classification of locations for electrical installations at petroleum facilities classified as class i, zone 0, zone 1, and. Api rp 505 recommended practice for classification of locations for electrical installations at petroleum facilities classified as class i, zone 0, zone 1, and zone 2, second edition. Find the most uptodate version of api rp 64 at engineering360. For figures, refer directly to the api rp 505 and nfpa references cited. Oil and gas plants handle flammable materials hazardous area a hazardous area is defined as an area in which the atmosphere contains, flammable of explosive gases. Rp 505 is intended to be applied where there may be a risk of ignition due to the presence of flammable gas or vapor mixed with air under normal atmospheric conditions. This recommended practice provides guidelines for determining the degree and extent of class i, zone 0, zone 1, and zone 2 locations at petroleum facilities for the selection and installation of electrical equipment. Scribd is the worlds largest social reading and publishing site.
Basic definitions given in the 2014 edition of nfpa 70, the national electrical code nec, have been followed in developing this rp. Basic definitions given in the 2014 edition of nfpa 70, the national electrical code nec, have been followed in developing this. Amendment by american petroleum institute, 08171998. Where figure 20, 21 or 22 is referenced in this standard, the additional zone 2 area is mandatory. Ocs group offers a 5day training course about the upstream 500 505 which is focused on training its students on how to prepare, install, inspect and maintain electrical instruments used in the explosive atmosphere near rigs. Application of water spray systems for fire in api rp 750, management of process hazards and ccps. Api 505 standard api 505 free download api rp 505 free download api standards list pdf ads related to api 505 standard latest edition api 505 standard global. Recommended practice for analysis, design, installation, and testing of basic surface safety systems for offshore production platforms name of standards organization. I have a couple of questions regarding api rp 505 that im asking here in the hopes that i can avoid having to purchase the standard which may mean the answer isnt available here but someone can tell me if the answer wouldnt also be in the standard. Api rp 505 recommended practice for classification of locations for electrical. You will find lot of documents related to this article. From a fugitive emissions study i came up with only 2ach required for adequate ventilation.
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