Mn Statute Roof And Drainage

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.

Upc table 1101 11 is not amended. Scuppers shall not have an opening dimension of less than 4 inches 102 mm. 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.

All roofs shall drain into a separate storm sewer system or to an approved place of disposal. Martin luther king jr. Roof drains shall not drain onto a public sidewalk. Drains shall be designed and sized according to the minnesota plumbing code.

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. All roofs shall discharge to a storm sewer or drain to daylight at grade at a safe location approved by the building official. Secondary emergency roof drainage shall be provided in accordance with minnesota rules chapter 1305.

The rule thus is the exact opposite of the common enemy rule. Martin luther king jr. The roof drainage system shall be sized on a basis of a rate of rainfall of at minimum 4 inches per hour. Design and installation of roof drainage systems shall comply with minnesota rules chapter 4714 minnesota plumbing code and the following provisions.

Minnesota office of the revisor of statutes 700 state office building 100 rev. Additionally section 704 3 specifically requires the tell tale floor drain to be trapped and vented in accordance with the code. In its simplest form the civil law rule says that landowners are strictly liable for altering the natural drainage of surface water. Paying for any harm you cause.

The civil law rule. The mpdm is an important reference for drainage authorities attorneys engineers viewers drainage inspectors and others involved with chapter 103e drainage systems. 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.