HomeMy WebLinkAboutAddenda - RFP - P982 BOBCAT RIDGE TRAIL DESIGN AND CONSTRUCTON (14) 2309.18,2.31b, Ex. 01
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FSH 2309.18 - TRAILS MANAGEMENT HANDBOOK
WO AMENDMENT 2309.18-91-2
EFFECTIVE 11/8/91
2.31b - Exhibit 01
Pack and Saddle Trail Guide
Easiest More Difficult Most Difficult 1/
Grade
Max. Pitch
Grade 15% 25% +30%
Length 200' 300' 500'
Clearing 2/
Width 8'; 6' between large 6' 3' to 4' wide
trees. Pack clearance Pack clearance
must be 3' from a point must be 3' from
30 ' above grade of tread. a point 30" above a
a point 30" above grade of tread.
grade of tread.
Height 10' 8' Maximum 8'
Tread 3/
Width 24" 24" 18"
Surface Surfacing as needed Leave roots and Not graded except
for stability. Reinforrce imbedded rocks. on side slopes
cross drains with logs Cross drains greater than 30%.
or rocks on steep permanent with
gradients (greater natural roots,
than 10%). Special rocks, or imbedded
emphasis on puncheon logs.
or turnpikes in bog
holes. Construct
extra trailbed width
in steep terrain.
1/ Assume pack animals normally are not accommodated on most difficult trails, so less clearing width is needed. Same holds true for day-use horse trails. The upper limit for most
difficult saddle animal trails depends on the soil type, amount of rock, vegetation types, and other conditions affecting stability of the trail surface. The skill of the rider and
the condition of the animal also are important considerations.
2/ Along a precipice or hazardous area, the trail clearing width should be at least 48 to 60 inches to provide safety to the riders and their animals.
3/ Increase tread width 12 inches on switchbacks. Tread width on special sections, such as fords or turnpikes, should be at least 36 inches.