: SP 124.13330.2012 Heating Networks (Revised edition of SNiP 41-02-2003).
: This code of practice establishes requirements for the design, construction, and reconstruction of heating networks that transport heat carriers (water and steam). Status : Active (with current amendments). sp teplovye seti skachat pdf
: Provides a direct PDF link to the 2012 edition, including all official amendments and updates. : SP 124
: The official website of the Ministry of Construction of Russia often hosts these documents under their regulatory archives. Document Details sp teplovye seti skachat pdf
You can download the official document (the updated version of SNiP 41-02-2003) from several authoritative Russian regulatory databases. Official Download Links
: This is the most comprehensive database for Russian technical standards. You can view the full text online or download the PDF version.