SY/T 4121-2018 English PDF

US$1799.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email.
SY/T 4121-2018: Code for design and construction of pipeline security forewarning system based on optical fiber sensing
Status: Valid

SY/T 4121: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SY/T 4121-2018	1799	Add to Cart	10 days	Code for design and construction of pipeline security forewarning system based on optical fiber sensing	Valid
SY/T 4121-2012	RFQ	ASK	10 days	Code for design and construction of optical fiber pipeline security forewarning system project	Obsolete

Similar standards

GB 4343.1   GB/T 4365   

Basic data

Standard ID: SY/T 4121-2018 (SY/T4121-2018)
Description (Translated English): Code for design and construction of pipeline security forewarning system based on optical fiber sensing
Sector / Industry: Oil & Gas Industry Standard (Recommended)
Classification of Chinese Standard: L07;P71
Classification of International Standard: 35.240.50; 75.020
Word Count Estimation: 78,797
Date of Issue: 2018-10-29
Date of Implementation: 2019-03-01
Older Standard (superseded by this standard): SY/T 4121-2012
Quoted Standard: GB/T 13993.1; JGJ 184; SY/T 4108; YD/T 814.1; YD/T 1588.2
Regulation (derived from): National Energy Administration Announcement No.12 of 2018
Issuing agency(ies): National Energy Administration
Summary: This standard is applicable to the design and construction of a pipeline safety early warning system for the construction or expansion of a communication optical cable with the same trench.

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