- Author
- Isman, K. E.
- Title
- Main Drains.
- Journal
- Sprinkler Quarterly, No. 147, 25-27,30-31, March/April 2008
- Keywords
- NFPA 13 | NFPA 25 | sprinkler systems | tests | valves | acceptability | pipes | water supply
- Identifiers
- main drain tests; acceptance tests; periodic tests