Project Goals
The “N-TRAIL” PROJECT
A trail maintenance, existing trail rehabilitation project at Rancho San Rafael Park to make an existing downhill trail sustainable and to improve overall trail quality/experience.
1 - Complete N-Trail Improvements (from top/start to tailing pile)
2 - Reroute/replace existing trail & jumps from USFS property to IMBA rock garden on the side hill
4 - Reroute x-c trails
5 - Provide signage
DESIGN / CONSTRUCTION CONSIDERATIONS
1-Resource protection (sustainable trail)
2-Minimize risks, avoid hazards
3-address needs - provide challenge, accommodate race course needs
4-improve trail experience (longer in time, length,challenge)
avoiding the fall line
outsloping tread
grade reversals
insloped turns
armoring
quality construction
resource aesthetics
provide two lines (of difficulty) w/o signage
longer in length
longer in time
signage
indicate difficulty (x or xx)
sign non-rollable features (if applicable)
promote protective equipment
work being performed with permission from WC (contact info)
1) Start / Top to end of upper rock garden
berms
turns
jumps
entry to rock garden
3) Rock Garden
grade reversals
berms
armoring
warning signage
new alignment on side slope
NEW X-C ROUTES 9) REHAB OLD ROADS / TRAILS
10) PROVIDE INFO / SIGNAGE
PROJECT STATS: Existing Ending Net
Start Elev 5300.00 5300.00 +0.00
Finish Elev 5113.00 5113.00 +0.00
Distance 1320 lf 1742 lf +422 lf (+31%)
Average Grade 14.2% 10.7% -3.5%
Course time 2:20.00 ? +
Turns/Berms 4 5 +
Jumps 2 2 +
TTF’s 1 0 +
Optional Lines 0 0 +
identify type of trail (int-expert trail)
provide continuous rollable line
provide advanced / technical options
ttf’s without signage - need filters, qualifiers
ttf’s with signs - place at features
maintain good sightlines
reduce overall speed
control speeds at trail intersections
3: ADDRESS NEEDS
provide challenge
accommodate race course needs