VSN 351-88

Instruction on designing of heating and ventilation systems at oil refinery and petrochemical plants

Guidelines for installation of electric equipment and power and lighting networks in explosion hazardous zones

Instruction for the technology of assembling and furnishing of prefab plasterboard partitions on the metal frames of element-by-element assembly

Construction of main and field pipelines. Anti-corrosion and heat insulation

Cathodic corrosion protection of equipment and metal structures of hydraulic facilities

Guidelines for the installation of alarms and gas analyzers for monitoring pre-explosion hazard and maximum permissible concentrations of chemicals in the air of industrial premises