SY/T 6820-2011
Requirements for safe entry and cleaning of petroleum storage tanks (English Version)

Standard No.

SY/T 6820-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Petroleum

Status

Be replaced 2015-03

Replace By

SY 6306-2014

Latest

SY/T 6306-2020

Scope

This standard specifies the relevant requirements for safe entry and cleaning operations of flammable and explosive petroleum storage tanks in the petroleum industry from out of service to put into use. This standard is applicable to the cleaning of above-ground normal pressure and low pressure (up to 0.1MPa) petroleum storage tanks in all aspects of crude oil and natural gas production, oil depots, and pipeline terminals in the petroleum industry. This standard does not apply to the following types of storage tanks or containers: 　——Pressure vessels. —Cryogenic freezing, refrigeration containers or storage tanks. — Containers or tanks under vacuum. —Containers on process equipment. —Underground storage tanks.

SY/T 6820-2011 Referenced Document

• SY/T 6319-2008 Protection against ignitions arising out of static,lightning and stray currents
• SY/T 6514-2010 Preparing tank bottoms for hot work
• SY/T 6630-2005 Improving owner and contractor safety performance

SY/T 6820-2011 history

• 2020 SY/T 6306-2020 Safety specifications for operation of steel crude oil storage tanks
• 2014 SY 6306-2014 Safety and technical specification for steel oil tanks
• 2011 SY/T 6820-2011 Requirements for safe entry and cleaning of petroleum storage tanks

SY/T 6820-2011 Requirements for safe entry and cleaning of petroleum storage tanks was changed to SY 6306-2014 Safety and technical specification for steel oil tanks.