SY/T 4121-2012
Code for design and construction of optical fiber pipeline security forewarning system project (English Version)
- Standard No.
- SY/T 4121-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- Professional Standard - Petroleum
- Status
- 2019-03
- Replace By
- SY/T 4121-2018
- Latest
- SY/T 4121-2018
- Scope
- This specification is applicable to the design and construction of optical cable pipeline safety early warning systems for newly built or renovated and expanded pipelines for laying communication optical cables in the same trench.
SY/T 4121-2012 Referenced Document
- SY/T 4108 Design and construction specifications for laying optical cables (silicon core tubes) in the same trench of oil and gas transmission pipelines*， 2019-11-04 Update
- YD/T 1588.2 Optical cable line performance measurement methods Part 2: Optical fiber connector loss*， 2020-08-31 Update
- YD/T 814.1 Optical cable splice enclosures Part 1: Outdoor optical cable splice enclosures*， 2013-06-01 Update
- YDJ 44 Provisional Technical Regulations for the Construction and Acceptance of Optical Fiber Digital Transmission System Projects in Telecommunication Networks
SY/T 4121-2012 history
- 2018 SY/T 4121-2018 Design and construction specifications of pipeline safety early warning system based on optical fiber sensing
- 2012 SY/T 4121-2012 Code for design and construction of optical fiber pipeline security forewarning system project
