Gullies: discharge capacity (NT VVS 039)
Report #: NT VVS 039 Approved: November 1985 Size: 44.04 KB Abstract This Nordtest method is designed to ascertain the maximum water-flow a gully Read more…
Tag: sewage installations
Gullies: Pressure resistance (NT VVS 042)
Report #: NT VVS 042 Approved: November 1985 Size: 36.33 KB Abstract This Nordtest method is designed to determine wether the water trap in Read more…