Exhibit 5 - Ivestor Gap Trail Log.pdf
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- Solicitation number
- AG-4419-S-10-0361
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Exhibit 5 - Ivestor Gap Trail Log
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Trail Log – Ivestor Gap Trail Assessment Log – Optional Item
Inspection Date: April 1, 2010 by Bruce Lowe, Jody Maney
Non-Wilderness Length: 2.2 miles Wilderness Length: 2.1 miles
Non-Wilderness Trail Class: 3 Wilderness Trail Class: 2
Designed Use: Horse Existing Width: 2’(wilderness) to 10’(non-wilderness) Design Tread Width: 18” to 36” Surface: Native-soil and roadbed/bedrock
Beginning Milepost: Black Balsam Trailhead (Outside Wilderness Area)
Wilderness Boundary: at Ivestor Gap, 2.2 miles from BMP
Ending Milepost: Shining Rock Gap (Inside Wilderness Area)
Ivestor Gap Trail (TR101) is included as an optional bid item. Work begins at the Black Balsam Trailhead and ends at Shining Rock Gap. The trail is comprised of two segments. Segment 1 (2.2 miles) is designed as a Class 3 pack and saddle trail, maintained for pack and saddle, mountain biking and hiking. Segment 2 (2.1 miles) begins at the Shining Rock Wilderness boundary and is designed as a Class 2 pack and saddle trail, maintained for pack and saddle, mountain biking and hiking. Maintenance needs are identified in the attached trail assessment log.
Because Squirrel Gap Trail is located within an Inventoried Roadless Area (and Segment 2 within a Wilderness Area), management direction is to maintain a natural appearing character. Therefore all work shall be achieved using native or natural appearing materials. Armor all water crossings using on site stone or natural appearing imported stone. Where feasible, install grade dips above approaches to water crossings to minimize runoff into streams and rivers. All materials shall be approved by Inspector.
Segment 1 – Non-Wilderness: Work along segment 1 is located adjacent to Sam Knob Inventoried Roadless Area. Live trees along or adjacent to the trail here cannot be removed for the creation of trail maintenance structures. Trees may only be removed if they present a hazard to public health and safety.
This trail follows an old railroad grade and is a seasonally open Forest Service road. This non- Wilderness segment has several locations where water collects, positive drainage is needed. This section will require punching the berm, outsloping and armoring runouts, and some grade dip restoration/installation.
Segment 2 - Wilderness: This segment begins at Station 118+27. Within the gap itself, no ground disturbing activities are allowed. Coordinate the beginning and end point of the gap location, and work within this area, with the COR/Inspector. The approximate stationing at the gap are from the beginning of the Wilderness segment at Sta. 118+27 to approximately Sta. 123+27 (about 500 ft.).
No motorized vehicles, equipment, nor mechanized equipment are allowed on Segment 2, the Wilderness area (hand work only). The trail continues following an old railroad grade. There are numerous tree blowdowns and ice storm damage so clearing and re-establishing the trail corridor is required (brushing the corridor to horse trail specifications, hazard tree removal). The COR must be consulted prior to tree removal in this area.
There are many locations where water collects in the incised trail. Work will include establishing positive drainage, berm removal, outsloping, grade dip restoration / installation, tread restoration, cleaning/opening of all existing culverts. When practical, move the trail tread to the outside edge of the bench.
Station Maintenance Need
Point of Interest Notes or Photo
0+00
Start at Black Balsam Parking Lot area. USFS gate
Note: trail is on old roadbed that is stable, along the contour and eroded to bedrock. #1
3+05
Start wet trail. Punch berm to remove water
3+64 Armor spring GD-L at springhead above
4+15 End wet tread
7+53 Exist. GD-L
8+99 Exist. GD-L
10+21 Exist. GD-L, wet
10+58 End wet
13+07 Drainage, add GD-L, wet
13+45 Exist. GD-L, wet
14+38 Exist. GD-L, wet #2- shows typical trail condition-flat,wet
15+97 GD-L, wet
19+72 Exist. GD-L
24+02 Exist. GD-L
27+57 Exist. GD-L
29+99 Exist. GD-L
32+41 GD-L Bring water from 32+75
32+75 Take water to GD at 32+41
32+80 Punch berm to remove water
33+94 Punch berm to remove water
34+92 Punch berm to remove water
39+97 GD-L. Large washout area.
Armor the run out ditch for 15’
#3
45+69 Stream. GD-L, flowing water
46+69 Stream, GD-L flowing water.
Armor entering and exit GD- 20’ each side.
#4
59+71 GD-L reinforce/armor runout.Armor approaches 20’ each side
Note: eroded. Rebuild GD.
61+22 Exist. GD-L wet Note: 2” iron pipe parallel to trail-R.
62+95 GD-L armor runout. Eroded upslope for 30’.
Note: Grade toe of slope and use material to fill eroded area.
Very erodible soil.
76+45 Exist. GD-L, wet
85+20 Exist. GD-L, stream
85+50 Exist. GD-L stream
88+02 Exist. GD-L
95+67 Intersection with Art Loeb Trail.
Note: wide open top of mountain, views north, south #5
96+00 Punch berm to remove water
100+45 Punch berm to remove water
106+60 Exist. GD-L
117+04 50’ wet area, punch berm –L
118+27 Ivestor Gap. Start Shining Rock Wilderness section.
No ground disturbing activities from approx. this station to Station 123+27.
Coordinate exact location (approx. 500 LF, trail through gap) with COR/Inspector
Note: end of 8-10’ road section. Sign and bulletin board indicating Wilderness with regs. #6
118+30 Start 2-3’ wide soil trail in
Wilderness Area No ground disturbing activities to approx. Station 123+27.
119+78 Social trail to R, Exist. GD-L, to remove water from above.
120+67 Trail splits with parallel trails separated by 18”. Begin incised tread. Water on trail
Note: trail is typically incised
121+55 End water on trail. Exist. GD-L
No ground disturbing activities to approx. Station 123+27.
#7 shows typically incised tread
127+35 GD-L existing. Repair GD, the berm is punched.
132+07 Exist. GD-L
134+30 Exist. GD-L
136+84 Exist. GD-L
140+59 GD-L, Wet. Start wet tread
142+03 End wet. Continue incised tread.
144+60 GD-L remove water
145+63 GD-L . armor runout ditch 10’. Start wet tread
146+32 Exist. GD-L. wet
146+86 Exist. GD-L
147+10 Exist. GD-L, wet, stream above
148+51 Exist. GD-L, wet
150+15 Culvert. Check drainage and flow. Open to drain
152+57 Remove Blowdown
154+60 Start Wet trail
154+93 Exist. GD-L
156+45 End wet
158+00 Remove hazard trees right and left
163+07 GD-L remove water from trail
166+82 Exist. GD-L
166+99 Culvert open to drain. Note: trail is wet from 166+00-167+00. Check all culverts, if not specifically noted, to open and drain.
168+76 Start wet trail. GD-L
169+31 End wet
172+98 Start wet
173+60 End wet
173+91 Culvert, check to see if open;
Clean out
175+57 Wet, drain to Culvert
175+90 Non-functioning Culvert.
Clean out
177+10 Exist. GD-L
178+40 NF Culvert Check all culverts, if not specifically noted, to open and drain
182+00 Remove Blowdowns
183+47 Punch berm-L remove water
184+57 End blowdowns (temporary)
184+80 Exist. GD-L
185+89 Exist. GD-L
185+95 Remove hazard tree above trail
187+02 Exist. GD-L
188+55 Install Knick or GD-L
196+70 Heavy storm damage area #8 shows storm damage
217+27 Remove Blowdowns; wet tread
225+77 Start 2’ incised tread. Establish positive drainage to the greatest extent possible.
227+32 Shining Rock Gap. End of trail section. Intersection w/ other trails.
Opening in spruce/fir with grass and briars.
File details come from the government source that posted it. Updated .