Irrigation

This handout is a compilation of some of the standard requirements based on the State Building Code and City Ordinance for projects of this type. This information packet does not contain all the specific codes for construction and should only be used as a guide. The permittee is responsible to meet all code requirements applicable to each project.

Submittals

• Permit Application-Irrigation

Required Inspections

• Final (after backflow testing report has been submitted)

Typical Requirements for Irrigation

• Lawn irrigation requires a licensed Plumbing contractor to install the backflow preventer.
• A licensed Technology Systems contractor is required to install the irrigation controller.
• Potable water shall be protected by an approved backflow device. i.e. (PVB) Pressure Vacuum Breaker.
• Systems equipped with a pump or capable of chemical injection shall be protected with a Reduced-Pressure principal backflow prevention device (RP) Pressure Vacuum Breaker.    
• Backflow prevention devices shall be tested and tagged by a certified backflow assembly tester, upon installation, and a report submitted to the City of Hastings.
• Tags must include the date of test, signature of tester and license number of the tester.
• Backflow testing is required to be completed annually.
• View the Minnesota Department of Labor fact sheet for backflow devices.
• Automatic systems require a RAIN SENSOR to inhibit operation of system during periods of sufficient moisture.
• (PVB) shall be installed a minimum of 12” above the highest sprinkler head.
• Drains for irrigation systems where a hose may be attached must be protected by an approved backflow prevention device.