22.190.030.A

Other

• Maximum final slope ratio2 ratio

  Final slopes shall not be steeper than two feet horizontal to one foot vertical (2:1)

• Hours of operation

  All operations shall be restricted to the hours between 6:00 a.m. and 10:00 p.m.

• Maximum reclamation completion time12 months

  The reclamation of lands affected by surface mining operations shall be completed within one year of the completion of mining operations

• Maximum temporary slope ratio1 ratio

  No excavation shall be permitted that creates a temporary slope steeper than one foot horizontally to one foot vertically.

• Minimum access road paving thickness3 in

  All private access roads leading off any public street or highway shall be paved with asphalt or concrete surfacing not less than three inches in thickness for the first 50 feet

• Minimum boundary sign letter heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.4 in

  signs displaying the message "SURFACE MINING" in letters not less than four inches in height

• Maximum boundary sign spacing500 ft

  Such signs shall be posted not more than 500 feet apart

• Minimum liability insurance100,000 usd

  the owner or operator shall secure insurance to the extent of $100,000 against liability in tort

• Minimum setbackSetbackThe distance a building must be held back from a lot line. from public street50 ft

  No surface mining operation or structure shall be located within 50 feet of any public street or highway

• Minimum setbackSetbackThe distance a building must be held back from a lot line. from stream bed100 ft

  No surface mining operation or structure shall be located within 100 feet of any stream bed, flood control channel, reservoir, water conservation facility