Design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages Specification— 146 стр.
Specification for installation of gas-fired forced convection air heaters for commercial and industrial space heating (2nd and 3rd family gases)— 42 стр.
Specification for installation of gas-fired forced convection air heaters for commercial and industrial space heating (2nd and 3rd family gases)— 36 стр.
Specification for installation and maintenance of gas-fired catering appliances for use in all types of catering establishments (2nd and 3rd family gases)— 30 стр.