[Adopted at time of adoption of Code (see Ch. 1, General Provisions,
Art. I)]
All park roads shall be constructed such that width of the riding surface
shall be 20 feet. A reasonable amount of extra width will be required to allow
for adequate drainage.
A.
All topsoil shall be removed from the full width of road,
including ditches. This subbase shall be graded, shaped and rolled with a
ten-ton roller.
B.
Where needed, a geotextile fabric (EXXON GTF 200 or equal)
shall be installed over subbase, a minimum of 17.5 feet of the riding surface.
C.
Eight inches of clean gravel shall be applied over full
width of road, including shoulders, and rolled with a ten-ton roller.
D.
Four inches of Item 4 screened gravel shall be applied
over full width of road, including shoulders and rolled with a ten-ton roller.
E.
Liquid calcium chloride shall be applied over full width
of road, including shoulders, at a rate of .5 gallon per square yard then
regraded and another application of .5 gallon per square yard for a total
of one gallon per square yard. After regrading, road shall be rolled again.
A.
Ditches, where needed, and depth shall be determined
by Town Highway Superintendent to allow for adequate drainage. On hills, and
where a high velocity of water is expected, ditches shall be lined with stone
a minimum of six inches in diameter to prevent erosion.
B.
Culverts of not less than 12 inches in diameter, meeting
the specifications of ADS N-12 plastic, shall be used where needed under roadway.
Placement and size of all culverts must meet with the approval of the Highway
Superintendent.
C.
The road must be crowned 1/2 inch to 3/4 inch per foot
from the center to the edge of riding surface to allow for adequate run off.
Guardrail shall be installed over culverts and wherever else determined
to be needed by the Highway Superintendent.
All work should meet with the approval of the Town of Chatham Highway
Superintendent.
