The minnesota public drainage manual mpdm which was first published in 1991 and updated in 2016 provides detailed information and guidance about minnesota statutes chapter 103e drainage law and associated topics.
Mn statute roof and drainage.
In its simplest form the civil law rule says that landowners are strictly liable for altering the natural drainage of surface water.
Roof drains shall not drain onto a public sidewalk.
Upc table 1101 11 is not amended.
Minnesota office of the revisor of statutes 700 state office building 100 rev.
There are no venting exceptions specified in the code for floor drains.
Design and installation of roof drainage systems shall comply with minnesota rules chapter 4714 minnesota plumbing code and the following provisions.
Understanding minnesota public drainage law handbook and overview purposes of this handbook.
Scuppers shall be sized to prevent the depth of ponding water from exceeding that for which the roof was designed as determined by this code.
Additionally section 704 3 specifically requires the tell tale floor drain to be trapped and vented in accordance with the code.
Yes each floor drain including tell tale floor drain s must be individually vented within the trap to vent distance of table 1002 2.
Paying for any harm you cause.
Drains shall be designed and sized according to the minnesota plumbing code.
The rule thus is the exact opposite of the common enemy rule.
Secondary emergency roof drainage shall be provided in accordance with minnesota rules chapter 1305.
The mpdm is an important reference for drainage authorities attorneys engineers viewers drainage inspectors and others involved with chapter 103e drainage systems.
The civil law rule.
Martin luther king jr.
Scuppers shall not have an opening dimension of less than 4 inches 102 mm.
The precursor to this updated edition of understanding minnesota public drainage law was first published by the association of minnesota counties amc in 1998 and subsequently updated in 2002 with the subtitle 2002 overview for decision makers the purpose was to support more consistent knowledge.
Martin luther king jr.
Secondary emergency roof drain systems shall be sized in accordance with the minnesota state plumbing code.
The roof drainage system shall be sized on a basis of a rate of rainfall of at minimum 4 inches per hour.
All roofs shall discharge to a storm sewer or drain to daylight at grade at a safe location approved by the building official.
