Mn Statute Roof And Drainage

Minnesota office of the revisor of statutes 700 state office building 100 rev.

Mn statute roof and drainage.

The civil law rule. There are no venting exceptions specified in the code for floor drains. The roof drainage system shall be sized on a basis of a rate of rainfall of at minimum 4 inches per hour. Roof drains shall not drain onto a public sidewalk.

Additionally section 704 3 specifically requires the tell tale floor drain to be trapped and vented in accordance with the code. All roofs shall drain into a separate storm sewer system or to an approved place of disposal. Scuppers shall not have an opening dimension of less than 4 inches 102 mm. Secondary emergency roof drainage shall be provided in accordance with minnesota rules chapter 1305.

Minnesota office of the revisor of statutes 700 state office building 100 rev. Martin luther king jr. 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. Design and installation of roof drainage systems shall comply with minnesota rules chapter 4714 minnesota plumbing code and the following provisions.

Martin luther king jr. All roofs shall discharge to a storm sewer or drain to daylight at grade at a safe location approved by the building official. Yes each floor drain including tell tale floor drain s must be individually vented within the trap to vent distance of table 1002 2. 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.

The rule thus is the exact opposite of the common enemy rule. Paying for any harm you cause. Upc table 1101 11 is not amended. The mpdm is an important reference for drainage authorities attorneys engineers viewers drainage inspectors and others involved with chapter 103e drainage systems.

Understanding minnesota public drainage law handbook and overview purposes of this handbook. In its simplest form the civil law rule says that landowners are strictly liable for altering the natural drainage of surface water. Drains shall be designed and sized according to the minnesota plumbing code.