Source: Bulgartransgas EAD - DVGW
Source: Bulgartransgas EAD - DVGW
Source: Bulgartransgas EAD - DVGW
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Maintenance of Gas Networks<br />
Operation of the gas network is run in compliance with the gas companies’ procedures<br />
and instructions which are part of the Quality Management System under BSS<br />
(Bulgarian State Standard) ISO 9000-2008, BSS EN 12007-1,4 and other standards of<br />
TC-234-Gas Supply - CEN. Practices based on the <strong>DVGW</strong> documents and experience<br />
are also applied.<br />
The gas companies generate, maintain and store the operation documentation in the<br />
format and volume in compliance with the statutory requirements during the complete<br />
operational period of the energy sites. Part of the documentation is stored electronically.<br />
The documentation contains the following minimum volume of:<br />
acts of approval and commissioning;<br />
executive documentation of the gas pipelines and facilities;<br />
underground cadastre in the area of the gas pipe line;<br />
technical passports of the gas pipelines valves and facilities (files<br />
including description of the check-ups and repairs made);<br />
operational log of the dispatch center;<br />
action plan in case of emergency and<br />
emergency-restoration works;<br />
procedure of leak detection.