The mpdm is an important reference for drainage authorities attorneys engineers viewers drainage inspectors and others involved with chapter 103e drainage systems.
Mn statute roof and drainage.
Scuppers shall not have an opening dimension of less than 4 inches 102 mm.
All roofs shall discharge to a storm sewer or drain to daylight at grade at a safe location approved by the building official.
The rule thus is the exact opposite of the common enemy rule.
Minnesota office of the revisor of statutes 700 state office building 100 rev.
Understanding minnesota public drainage law handbook and overview purposes of this handbook.
Martin luther king jr.
Design and installation of roof drainage systems shall comply with minnesota rules chapter 4714 minnesota plumbing code and the following provisions.
Secondary emergency roof drain systems shall be sized in accordance with the minnesota state plumbing code.
There are no venting exceptions specified in the code for floor drains.
Yes each floor drain including tell tale floor drain s must be individually vented within the trap to vent distance of table 1002 2.
Minnesota office of the revisor of statutes 700 state office building 100 rev.
Upc table 1101 11 is not amended.
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.
The roof drainage system shall be sized on a basis of a rate of rainfall of at minimum 4 inches per hour.
In its simplest form the civil law rule says that landowners are strictly liable for altering the natural drainage of surface water.
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.
Additionally section 704 3 specifically requires the tell tale floor drain to be trapped and vented in accordance with the code.
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.
Martin luther king jr.
Landowners have no right to alter drainage and they have the right not to be injured by others altering the drainage.
The civil law rule.
Drains shall be designed and sized according to the minnesota plumbing code.
Secondary emergency roof drainage shall be provided in accordance with minnesota rules chapter 1305.
