The following regulations shall apply to all future excavations
of sand, gravel, stone, loam, dirt and other earth products within
the Town of Lawrence. This article shall regulate all existing gravel
pits and stone quarries within the Town of Lawrence.
A.
All excavations of sand, gravel, clay, silt, loam, rock, stone, muck,
dirt, soil and other earthen materials, including but not limited
to sand pits, gravel pits and rock quarries, shall come under the
jurisdiction of this article.
B.
All existing sites of excavation shall comply with this article prior
to any additional expansions or alterations of the existing site beyond
the boundaries of the parcels of record on which excavation is taking
place as of the date of the adoption of the original ordinance (November
16, 1994).
The following uses shall be exempt from the provisions of this
article:
A.
Excavation and removal of less than 500 cubic yards over a period
of one year from any single parcel of land recorded in the Brown County
Register of Deeds office.
B.
Necessary foundation and trench excavation only in connection with
work on the premises for which a building permit has been issued.
C.
Normal agricultural activities.
D.
Landscaping or site preparation for building uses.
See Chapter 182 of this Code for the regulation of nonmetallic mining.
The following information shall be required on a site plan prior
to issuing an excavation permit:
A.
A map showing the location of the premises and the adjoining properties
within 500 feet. The map shall be drawn at a scale not smaller than
one inch equals 200 feet.
B.
Contour intervals of the proposed site at intervals of 20 feet when
available.
C.
Existing and proposed drainage patterns of the site.
D.
Proposed regrading and revegetation of the site after completion
of the excavating operation.
E.
Proposed truck and machinery access to the site.
F.
Types and location of temporary or permanent building to be erected
on the site.
G.
Approximate amount of earth material to be excavated or removed at
the site.
H.
Approximate number of trucks and other types of machinery to be used
at the site.
I.
Designated hours of operation.
A.
No excavation shall take place within 50 feet of any property line
or street line if below the established grade of the street.
B.
No screening, sifting, washing, crushing or other forms of processing
shall be conducted upon the premises, unless it is located more than
500 feet from a residential dwelling.
The excavation of earth materials shall be allowed as a conditional
use in the A-1 Agricultural Zone and as a conditional use in the AG-FP
Agricultural-Farmland Preservation Zone, if the excavation is a public
(governmental) operation or if it is incidental to the farm operation.
A.
At all stages of operations, proper drainage shall be provided to
prevent the collection and stagnation of water and to prevent harmful
effects upon surrounding properties.
B.
The premises shall be excavated and graded in conformity with the
plan as approved. Any deviation from the plan shall be cause for the
Town Board to revoke the permit.
C.
When excavating and removal operations are no longer used, as determined
by the Town Board, the excavated areas shall be graded so that no
gradients in disturbed earth shall be steeper than a slope of four
to one (horizontal to vertical), unless waived by the Town Board.
A layer of arable topsoil capable of supporting perennial grasses
shall be spread over the excavated area, except exposed rock surfaces,
to a minimum depth of four inches. The area shall be seeded with a
perennial grass capable of survival in this climate and maintained
until a uniform growth is established.
D.
If the excavation site shall fall within a county floodplain, shoreland
or conservancy zone district, the regulations as set forth in the
Shoreland-Floodplain Protection Ordinance for Brown County shall apply.
E.
Town Board members shall be allowed on the premises during scheduled
operating hours for inspection purposes.
G.
A performance bond of $1,000 per acre shall be required of the excavator.
