3. Order of August 2, 1977 modified
The amended order of August 2, 1977 (see
on the one hand, for all new installations in new and existing buildings;
all additions or modifications to existing installations.
The provisions of the decree cover pipelines and their accessories (shut-off devices, pressure-reducing devices, shut-off valves, insulating fittings) from and including the general shut-off device to appliances and their discharge devices.
3.1 Pre-meter installations
Pre-meter installations are those between the upstream connection of the general shut-off device...
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Order of August 2, 1977 modified
Use of domestic installations
DTU composition
The DTUs are mainly :
technical specifications (CCT), originally known as "cahiers des charges", which set out the technical conditions to be met by contractors in selecting and using materials for the various trades;
calculation rules that enable structures to be sized according to operating conditions or construction sites;
...
Composition of ATG specifications
The characteristics of tubes, fittings and filler alloys, as well as assembly conditions, are defined in ATG specifications:
B. 521 : Steel tubes and fittings - Filler alloys ;
B. 524: Copper tubes - Fittings - Means of assembly - Filler alloys.
Each specification has several parts....
Technical rules
Technical and safety rules applicable to fuel gas and liquefied hydrocarbon installations located inside residential buildings or their outbuildings:
Order of August 2, 1977 modified by orders of November 23, 1992, October 28, 1993, September 18, 1995, June 26, 1996, September 9, 1996, November 21, 1996, August 5, 1998 and February 5, 1999.
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