Revised - Exhibit 3 - Trail Log .pdf
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- Solicitation number
- AG-4419-S-10-0754
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Revised Exhibit 3 - Trail Logs
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| File | Type | Posted |
|---|---|---|
| Revised Section B - SOI.pdf | ||
| SF 30 Amendment 1.pdf | ||
| Revised Attachment 1- SOW Specs.pdf | ||
| Revised - Exhibit 5 Viewing Platform 2.pdf | ||
| Attachment 1 - Specifications SOW.pdf | ||
| Exhibit 1 - Drawings.pdf | ||
| Attachment 2 - Wage Determination.doc | DOC document | |
| Section C thru M - Solicitation.doc | DOC document | |
| Exhibit 4 - Design Parameters.pdf | ||
| Exhibit 2 - Map.pdf | ||
| Section B - Schedule of Items .pdf | ||
| Exhibit 3 - Trail Log.pdf | ||
| Section A - SF1442.pdf |
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Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 1
Trail Log –Glen Falls Trail, Nantahala National Forest
Base Bid Section : Glen Falls Trail Observation Platforms and trail work starting at the trailhead parking area, NC-106 (Sta. 0+00) and ending at observation platform #4 (Station 34+24). This section is a Class 4 hiking trail. Base Bid includes construction of three Observation Platforms.
Optional Item - Main Trail Section: Starting at observation platform #4 (Station 34+24) and ending at the end of the trail at a parking area in Blue Valley area (Station 66+79).
Optional Item - Observation Platform 4 at Station 33+91
Optional Item – 385 LF Spur Trail to Swimming Hole at Station 41+65
Inspection Date: 2/19/2010 Inspector Name: Fred Lashley, Jody Maney, Bruce Lowe Length: 1.4 miles (including side trails) Trail Class: 3 & 4 Designed Use: hiking Managed Use: hiking Difficulty Level: moderate Average Width: 3’ Surface: Natural soils; gravel Wilderness Trail: No
This trail log illustrates items of work to be accomplished. The intent of the log is to give a description of the work, at a minimum; however it does not describe the full scope of the work nor identify every work item. Bidders must view the trail to assess full range of maintenance needs, access, and logistics of transporting imported materials. The Contractor shall maintain / improve the trail such that it conforms to current Forest Service standards. The primary goal of trail restoration is to establish positive drainage. Addition and restoration of grade dips are identified in the log at specific locations; however, it is expected that installation of more grade dips will be required, over and above what is called for here. A minimum of 50 grade dips per mile is required.
The Glen Falls trail runs from the trailhead off of NC-106 in Highlands to Blue Valley and drops about 700 feet of elevation over this distance. The trail utilizes numerous switchbacks and staircases to lose this elevation. Many of these structures need reworking and additional steps added in the steeper locations.
Switchback shortcuts need to be obliterated. Much of the side-hill trail is sloughing and needs to be re-dug upslope to its original location. Numerous roots will need to be removed. The last portion of the trail is along an old roadbed needing additional grade dips to remove water from the trail.
Where identified, replacement or installation of steps and crib walls should be rough-sawn 8”x8” pressure treated timbers per specifications.
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 2
Station Maintenance Need Point of Interest
Notes or Photo
0+00
0+13
0+26
BEGIN BASE BID SECTION
GLEN FALLS TRAIL.
Start of Trail at Trailhead Parking Area
Add fill to create ramp at timbers parallel to trail.
Trail Junction with Chinquapin Mountain Trail
Add Grade Dip past trail junction
0+00 3+89
Add fill to establish positive drainage.
Add 2 Grade Dips
Trail is 6-8 feet wide and flat.
3+89 Viewing Area
3+89- 4+99
Incised Trail 12% grade Add Terraced Steps: 6
Trail narrows to 3 – 4 ft. Wide
5+00 Add Grade Dip
5+03- 5+21
5+21- 5+40
Incised Trail 18% Grade Add Terraced Steps: 4 Remove existing Timbers
Incised Trail 25% Grade Add Terraced Steps: 4
Notes:
Leave 2 existing terraced steps (these are the only 2 existing steps worth keeping along the whole trail) Add terraces below terrace in photo.
Stay right around tree and obliterate left.
5+40 Looking Back Tree is @ approx. 5+21 5+48 Add Grade Dip
Obliterate Social trail
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 3
5+48- 5+85
Incised Trail 22% Grade Add Terraced Steps: 8 Remove all existing steps.
5+85 Add Grade Dip
5+90- 6+77
Incised Trail 22% Grade Add Terraced Steps: 30 Remove all existing steps
Photo from 6+77 looking back
6+77- 7+12
Remove berm Add Grade Dip
7+38 Obliterate Social trail Trail short cutting Switchback
7+57 Obliterate Social trail Add Grade Dip
Trail short cutting Switchback
7+85- 8+10
Switchback 45% Grade Add Steps: 30 Add Crib Walls: 50 sq. ft.
Stay above tree @ 7+80
Crib will switch side of steps as they fan through curve
8+20 8+30
Remove stump Add Crib Wall: 10 ft x 2 ft
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 4
8+40- 8+55
Incised Trail 30% Grade Add Terraced Steps: 10
8+55- 9+05
Obliterate Existing Trails to Viewing Platform 1 Construct Single Trail to Viewing Platform Area @ 8+90 (see drawing for platform details)
18% Grade Add Steps: 9
See Detail of Viewing Platform 1
9+05- 10+70
15- 18% Grade Re-dig Trail Upslope
Add Grade Dip: 2
10+70- 10+84
Add Steps: 3 Crib Wall 30 ft. x 2 ft.
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 5
11+13- 11+45
25% Grade Add Steps: 12 Crib Wall 30 ft. x 2 ft
11+45 Junction to Viewing
Platform 2. See included drawing for platform details.
Reconstruct/ maintain side trail that runs downslope to the left to platform location (approx. 60 LF).
Add steps on side trail: 10
Obliterate and rehabilitate the trail that runs to the right (approx. 180 LF) per Standard Specification Section 954 – Obliteration of Abandoned Trailways
Rehabilitation may include planting Rhododendron;
installation of check dams;
covering/filling trail with woody debris, rocks, logs, branches, and duff – to reestablish natural drainage patterns and vegetation;
and discourage future use.
Spur Trail to Platform 2
0+00 Junction with Main Trail
Photo of trail to the right – to be obliterated / rehabilitated - looking back
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 6
End of trail to be obliterated. Photo looking back
11+45- 12+21
Re-dig Trail Upslope
12+21- 12+46
Add Crib Wall: 25 ft x 2 ft
13+31- 15+26
10% Grade
15+26- 15+44
28% Grade Add Steps: 8
Incised trail with lots of roots
15+44- 15+70
20% Grade Add Steps: 4 Add Crib Wall: 1’ x 26’
15+80- 16+24
18% Grade Add Steps: 4 Add Crib Wall: 1’ x 44’
16+24- 16+42
30% Grade Add Steps: 9 Add Crib Wall: 4’ x 18’
Add steps upslope of tree covering roots, not removing them
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 7
Photo @ 16+42 Looking back
16+42- 17+90
Add Grade Dip: 3
17+90- 18+13
Add Crib Wall: 4’ x 23’
Large rock outcropping upslope
18+13- 18+99
18+99 19+75
22% Grade Add Steps: 27 Add Crib Wall: 4’ x 76’
Crib and steps up trail to left in photo
Move trail upslope of flagged tree @ 18+99 (not visible in Photo)
19+75 Center of Switchback Viewing Platform 3 See Drawing
Photo @ 19+75 looking back
19+75- 20+00
Ref: exist. log acting as crib wall – Platform 3 Dwg calls for removal of log and replacing with crib wall
See additional Platform Detail
20+00- 20+89
Remove Hazard Tree
21+15- 21+40
Remove log Crib Add Crib Wall: 3’ x 25’
21+40 22+30
Re-dig Trail Upslope Add Crib Wall: 2’ x 10’ Add Grade Dip: 2
Up slope has some rock outcropping. Crib to get pass rock
22+30- 22+97
22+97- 23+22
Add Crib Wall: 2’ x 25’ Crib to pass below large tree
23+22- 25+55
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 8
25+55- 25+75
Re-dig Trail Upslope Add Crib Wall: 2’ x 20’
Crib lower side of trail just pass tree at top of following switchback to eliminate social trail cutting switchback
25+75- 26+20
Switchback Add Steps: 6 Add Crib Wall: 2’ x 10’
Photo @ 26+00 looking back at Center of Switchback
26+20- 28+05
Re-dig Trail Upslope Add Grade Dip: 3 Obliterate switchback short cuts
28+05- 28+15
Switchback Add Steps: 10 Add Crib Wall: 2’ x 10’
Crib wall replaces log in photo; down slope of lower leg of switchback
Photo @ 28+15 looking back up trail
28+15- 28+75
28+75- 28+95
Add Crib Wall: 2’ x 20’
29+15- 29+77
Switchback Add Steps: 6
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 9
29+77- 33+18
Re-dig Trail Upslope
Obliterate Social trails
33+18- 33+45
Add Crib Wall: 2’ x 31’
33+45- 33+71
33+91
33+91- 34+24
28% Grade Add Steps: 12 Add Crib Wall: 2’x 26’
Center of Switchback Optional Item:
Optional Item - Viewing Platform 4 See Drawing
See Platform 4 Detail. Detail calls for the addition of crib wall here, associated with Viewing Platform, from large rock in lower left of photo pinned along rock slab.
END BASE BID SECTION
GLEN FALLS TRAIL.
BEGIN OPTIONAL ITEM
SECTION GLEN FALLS
TRAIL.
Photo @ 33+91 looking back
Photo @ 34+24 Looking back
34+24- 35+06
Add Crib Wall: 3’ x 82 ‘
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 10
35+06- 41+25
Restore Tread
Add Grade Dip: 4
Photo @ 39+05 looking back
41+25- 41+65
41+65
18% Grade Incised Tread/ Climbing Turn Add Steps: 8
Obliterate Trail left (right in photo)
Optional Item - Trail Junction to Swimming Hole [Spur Trail is 385 ft to Creek 28% Grade for 38’ Maintain trail. Remove old
CMP @1+88]
Photo @ 41+65 looking back
41+65- 45+60
45+60- 45+77
Switchback Remove existing Steps Add Steps: 8
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 11
45+77- 46+48
Photo looking back
46+48- 49+99
Minor Re-dig Trail Upslope
49+99- 50+45
Rocky Outcrop Add Crib Wall: 1.5’ x 46’
Photo @ 50+96 looking back
50+45- 50+96
50+96- 51+14
Add Crib Wall: 3’ x 18’
51+14- 51+52
Re-dig Trail Upslope Obliterate switchback shortcut
51+52- 52+07
Switchback Add Steps: 5 Add Crib Wall: 2’ x 20’
Crib wall is on the down-slope of the upper leg of the switchback above the steps
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 12
52+07 52+47
52+47- 52+88
Add Crib Wall: 3’ x 41’
Crib is below large pine tree and starts at blow down
52+88 57+49
Trail has rolling grade reversals along this section
57+49- 58+94
Trail widens to 6-8 ft Old road bed Re-establish existing grade dips: 5
58+94- 60+05
35% Grade Old Road Bed
Replace steps Add Steps: 38
8-10 ft wide terraces x 3 ft long with 4” of grade between risers
Photo @ 60+05 looking back
60+05- 66+79
Incised road bed with grades from 15 to 30% Remove berm where possible Add Grade Dip: 10
Glen Falls Trail Assessment Log, Pkg #12- Solicitation Amendment 1 -Revised 7.9.10 Page 13
66+79 Creek Crossing: 30 ft Add Stepping Stones on up-stream side of crossing
Trail continues approx another 200 yards to parking area, maintenance continues to end of trail.
END OPTIONAL ITEM
SECTION GLEN FALLS
TRAIL.
End of Trail Log
File details come from the government source that posted it. Updated .