IS 4720 : 2020 Ventilation of Surface Hydel Power Stations-Code of Practice
Revised Standard from Last Update.
1 SCOPE
1.1 This standard covers basic requirements regarding design of ventilation system for surface hydel power stations.
1.1.1 For installation, operation, testing and maintenance of ventilating system reference may be made to IS 3103.
1.2 This standard, however, does not cover the requirements for ventilation of generators or other equipment and specifications for fans, ducts and other equipment used in the ventilation of surface hydel power stations.
2 REFERENCES
The Indian standards listed in Annex A contain provision, which through references in this text constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on these standards are encouraged to investigate the possibilities of applying the most recent edition of the standards indicated in Annex A.