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Middle Bugs Rd Decomm. Page 1 of 17 AG-02RC-S-15-0048 Work List Middle Bugs Road Decommissioning Project
AG-02RC-S-15-0048
ESTIMATED WORK LIST
ROAD NO. 3100
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Storage work begins on East side of Middle Creek. No existing crossing structure. A temporary crossing structure (temporary bridge) will be required for access, and will require approval by the C.O. Middle Creek is approximately 25 foot bankfull width. Old bridge abutments still exist.
STATION
(Feet)
ACTIVITY /DESCRIPTION
REMARKS
19+00
Begin Project Road 3100 Begin Item 21103B, Roadway Obliteration Method II (1.8 Miles).
Begin Seeding (8.8 Acres).
Project work begins at 19+00 ft. from Road 3100 and Road 103 junction, on the east side of Middle Creek. Road 3100 and Road 103 junction right (east) is at Road 103 milepost 18.5, approx. 3.5 miles north of Beaver Dam saddle.
| 19+25 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 23+00 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 25+40 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 28+05 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 33+50 |
| Construct Stream-Grade Channel (SGC) |
| Existing 24 in. CMP, live water, perennial stream and adjacent seep, 20 ft. fill on outlet |
| 37+50 |
| Construct SGC |
| Existing 18 in. CMP, live water, perennial stream over cutslope cascade , 25 ft. fill on outlet |
| 40+10 |
| Construct SGC |
| Existing 18 in. CMP, live water, 25 ft. fill on outlet |
| 43+00 |
| Drainage Excavation |
| Existing 18 in. CMP, dry swale |
| 46+00 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 50+80 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 78+40 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 92+70 |
| Reference |
| Junction right (west), Road 3101 (see Rd. 3101 worklist) |
| 93+70 |
| Drainage Excavation |
| Existing 18 in. CMP, ditch relief |
| 101+10 |
| Construct Cross-Drain Channel (CDC) |
| Existing 18 in. CMP, live trickle flow from seep in swale |
| 103+15 |
| Construct CDC |
| Existing 18 in. CMP, live water at seep |
| 107+35 |
| Construct CDC |
| Existing 18 in. CMP, live water at seep |
| 111+90 |
| End of Project; End Item 21103B, Roadway Obliteration Method II. |
Project Ends at end of road construction at edge of old harvest unit
Middle Bugs Road Decommissioning Estimated Work List Road 3101 *CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 00+00 |
| Begin Project Road 3101 |
Begin item 21103B, Roadway Obliteration Method II (1.1 Miles) Begin Seeding (5.4 Acres) Road 3101 project work begins at junction right (west) with Road 3100 at station Road 3100 sta. 92+70.
| 13+60 |
| Construct Cross-Drain Channel (CDC) |
| Existing 1 in. CMP, Seep, Live water |
| 18+75 |
| Construct CDC |
| Existing 18 in. CMP, Seep, Live water |
| 23+25 |
| Drainage Excavation |
| Existing 18 in. CMP, |
Ditch relief
| 24+75 |
| Construct CDC |
| Existing 18 in. CMP, Seep, Live water |
| 26+20 |
| Construct CDC |
| Seep, saturated ditch |
| 31+90 |
| Construct Stream Grade Channel (SGC) |
| Existing 24 in. CMP, Live water, perennial channel, 15 foot fill depth at outlet |
| 32+25 |
| Construct CDC |
| Existing 18 in. CMP, live water, low seepy flow, live water |
| 32+89 |
| Reference |
| Junction right (west), Road 3101A. See Rd. 3101A worklist. |
| 45+00 |
| Construct SGC |
| Existing 18 in. CMP, Live water, perennial stream, 10 foot fill depth at outlet |
| 52+50 |
| Drainage Excavation |
| Existing 18 in. CMP, |
| 57+00 |
| End of Project; End Item 21103B, Roadway Obliteration Method II. |
Project Ends at end of road construction at edge of old harvest unit
Middle Bugs Road Decommissioning
Road 3101A *CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 3101A |
Begin Item 21103A, Roadway Obliteration Method I (0.2 Miles) Begin Seeding (1.2 Acres) Road 3101-A project work begins at junction with Road 3101at station 32+89 ft., junction right (west). Road 3101 begins at junction with Road 3100 at station 92+70 ft., junction right (west).
| 1+70 |
| Construct Cross-Drain Channel (CDC) |
| Existing 18” CMP, Seep, Live water |
| 5+70 |
| Drainage Excavation |
| Existing 18” CMP, |
| 13+05 |
| End of Project; End Item 21103A, Roadway Obliteration Method I |
| Project ends at end of road construction |
Middle Bugs Road Decommissioning
Road 336 *CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Road contains segments with cutslope and fill failures that will require reconstruction for acesss.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 00+00 |
| Begin Project Road 336 |
Begin Item 21103B, Roadway Obliteration Method II (0.5 Miles).
Begin Seeding (2.6 Acres).
Project work on Road 336 begins at junction right (north) with Road 5159 at Rd. 5159 sta. 10+00. Rd. 5159 begins at junction left (east) with Rd. 103 at Milepost 22.5( approx. 7.4 miles from Beaver Dam Saddle).
| 7+30 |
| Construct Cross-Drain Channel (CDC) |
| Live Water, Seep |
| 7+80 |
| Construct Stream Grade Channel (SGC) |
| Live water, perennial channel with seepy areas adjacent, CMP has been pulled, but fill stil remains |
| 10+25 |
| Construct SGC |
| Live water, perennial channel, Existing 18 in. CMP |
| 16+75 |
| Construct CDC |
| Seep and ponded area |
| 26+95 |
| Construct CDC |
| Saturated road in swale |
| 27+00 |
| End Item 21103B, Roadway Obliteration Method II (0.5 mi.). |
Begin Item 21103A, Roadway Obliteration Method I (0.5mi.). Begin Seeding (2.7 Acres).
Change obliteration method to Method I after completed CDC.
| 36+40 |
| Construct SGC |
| Live water, perennial channel, Existing 18 in. CMP |
| 37+50 |
| Construct CDC |
| Saturated road and ditch for 60 ft. length |
| 38+25 |
| Construct SGC |
| Live water, perennial channel, Failed log culvert, seepy areas adjacent |
| 38+50 |
| Construct CDC |
| Ponded water on road |
| 40+80 |
| Construct SGC |
| Exosting 18 in. CMP; Seeps into low trickle channel, saturated road, incorporate both seeps into one SGC |
| 41+31 |
| Construct CDC |
| Existing 18 in. CMP; Seep |
| 13+60 |
| Construct CDC |
| Seep area, fill failure, road width reduced to 6 ft., rippable cutslope for access rebuild |
| 42+70 |
| Reference |
| Fill failure, road width reduced to 6 feet, rippable cutslope for access rebuild |
| 47+85 |
| Construct SGC |
| Intermittent stream channel with adjacent seep |
| 53+05 |
| Reference |
| Fill failure, road width reduced to 8 feet, rippable cutslope for access rebuild |
| 55+50 |
| End of Project; End Item 21103A, Roadway Obliteration Method I. |
| Project Ends at end of road construction at edge of old harvest unit |
Middle Bugs Road Decommissioning Project
ESTIMATED WORK LIST
ROAD NO. 5153
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 5153 |
Begin Item 21103B, Roadway Obliteration Method II (2.0 Miles).
Begin Seeding (9.9 Acres).
Project work on Rd. 5153 begins at junction right (east) with Rd. 556 approx. 0.65 mi. up Rd. 556 from the junction with Rd. 103 at Rd. 103 Milepost 20.4. The Rd. 103/Rd.556 junction is approx. 5.3 miles from Beaver Dam Saddle.
| 6+00 |
| Construct Cross-Drain Channel (CDC) |
| Existing 18 in. CMP, seep, trickle flow |
| 11+70 |
| Drainage Excavation |
| Existing 18 in. CMP, dry swale |
| 13+70 |
| Construct CDC |
| Existing 18 in. CMP, moist swale |
| 17+25 |
| Drainage Excavation |
| Existing 12 in. CMP, dry swale |
| 26+25 |
| Construct CDC |
| Existing 18 in. CMP, seep |
| 31+25 |
| Drainage Excavation |
| Existing CMP, ditch relief, pipe exposed in middle of road |
| 37+10 |
| Construct CDC |
| Seep and saturated road, no culvert found |
| 38+60 |
| Construct CDC |
| Existing 18 in. CMP , trickle flow from seeps along ditch |
| 41+50 |
| Drainage Excavation |
| Existing 18” CMP, small perennial channel |
| 42+00 |
| Construct CDC |
| Existing 12 in. CMP, seep |
| 43+60 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief |
| 49+00 |
| Construct CDC |
| Saturated road, ponded water on road |
| 50+10 |
| Construct CDC |
| Saturated road, ponded water on road |
| 50+70 |
| Construct CDC |
| Seep in swale, trickle flow |
| 61+40 |
| Construct CDC |
| Saturated road |
| 62+50 |
| Construct CDC |
| Existing 18 in. CMP, seep in swale and ditch relief |
| 65+30 |
| Construct CDC |
| Existing 18 in. CMP, seep in swale |
| 77+10 |
| Construct CDC |
| Saturated road |
| 78+20 |
| Construct Stream-Grade Channel (SGC) |
| Existing 18 in. CMP, perennial stream |
| 80+70 |
| Reference |
| Junction right (south) project road 5153A, Roadway Obliteration Method II. See Road 5153A worklist. |
| 98+15 |
| Construct CDC |
| Moist road in swale |
| 104+35 |
| End of Project; End Item 21103B, Roadway Obliteration Method II. |
Project work on Rd. 5153 ends at end of road construction at northeast edge of old harvest unit; skid trails left and right, no work on skid trails..
Middle Bugs Road Decommissioning Project
ROAD NO. 5153A
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 5153A |
Begin Item 21103B, Roadway Obliteration Method II (0.3 Miles).
Begin Seeding (1.5 Acres).
Project work on Rd. 5153A begins at junction right (south) with project road 5153 at Rd. 5153 sta. 80+70.
| 16+00 |
| Construct Stream-Grade Channel (SGC) |
| Existing 18 in. CMP, perennial stream, mostly plugged |
| 17+80 |
| End of Project; End Item 21103B, Roadway Obliteration Method II. |
Project work on Rd. 5153A ends at end of road construction at east edge of harvest unit.
Middle Bugs Road Decommissioning Project
ROAD NO. 5159
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Road contains segments with cutslope and fill failures that will require reconstruction for acesss.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 5159 |
Begin Item 21103B, Roadway Obliteration Method II (0.8 Miles).
Begin Seeding (3.8 Acres).
Project work on Rd. 5159 begins at junction left (east) with Rd. 103 at Milepost 22.5. This is approx. 7.4 miles from Beaver Dam Saddle.
| 10+00 |
| Reference |
| Junction right (east) project road 336, Roadway Obliteration Methods I and II. See Road 336 worklists. |
| 40+12 |
| Change Obliteration Method on Rd. 5159. |
End Obliteration Method II, Item 21103B.
Begin Roadway Obliteration Method I. Item 21103A (1.2 miles) Continue Seeding (6.1 Acres) Junction left (west) project road 5159A, Roadway Obliteration Method I. See Road 5159A worklist. Road 5159 continues right to the east with change to Method I.
| 45+82 |
| Reference |
| Slumping fill, intact road width reduced to 8 ft. width for 80 ft. length. Rippable rock and soil for access rebuild. |
| 52+77 |
| Reference |
| Fill failure, road width reduced to 9 ft. width for 12 ft. length. Rippable rock and soil for access rebuild. |
| 54+92 |
| Construct Stream-Grade Channel (SGC) |
| Failed log culvert, inlet plugged, perennial stream, water flowing down road for 30 ft.; road width reduced to 5 – 8 ft. Rippable rock and soil for access rebuild. |
| 59+02 |
| Construct SGC |
| Existing 24 in. CMP, perennial stream. |
| 60+52 |
| Reference |
| Fill slumping, road width reduced to 8 ft. Rippable rock and soil for access rebuild. |
| 62+02 |
| Drainage Excavation |
| Dry swale |
| 63+32 |
| Reference |
| Fill failure, road width reduced to 4 ft. Rippable rock and soil for access rebuild. |
| 63+62 |
| Reference |
| Fill failure, road width reduced to 0 ft. Rippable rock and soil for access rebuild. |
| 67+22 |
| Construct SGC |
| Existing 18 in. CMP, perennial stream. |
| 68+19 |
| Construct Cross-Drain Channel (CDC) |
| Saturated road, water flowing down road |
| 78+19 |
| Reference |
| Skid trail left (north) and road junction (south), ridgetop/ridegeshoulder location, work to be determined. |
| 79+42 |
| Reference |
| Fill failure, road width reduced to 10 ft. Rippable rock and soil for access rebuild. |
| 82+12 |
| Drainage Excavation |
| Fill failure, road width reduced to 8 ft. Rippable rock and soil for access rebuild. |
| 86+72 |
| Reference |
| Fill failure, road width reduced to 4 ft. Rippable rock and soil for access rebuild. |
87+35
Existing 24 in. CMP, perennial stream, fill failure, raod width reduced to 8 ft. here and 30 ft. segment ahead.
| 90+29 |
| Reference |
| Fill failure, road width reduced to 6 ft. Rippable rock and soil for access rebuild. |
| 90+82 |
| Construct SGC |
| Existing 18 in. CMP, perennial stream. Road width reduced to 10 ft. |
| 94+07 |
| Construct SGC |
| Existing 18 in. CMP, perennial stream. 15 ft. depth of fill at outlet. |
| 104+02 |
| End of Project; End Item 21103A, Roadway Obliteration Method I. |
Junctions left and right with Trail 112 (2-4 ft. width). End project work here at this junction.
Middle Bugs Road Decommissioning Project
ROAD NO. 5159A
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Road contains segments with cutslope and fill failures that will require reconstruction for acesss.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 5159A |
Begin Item 21103A, Roadway Obliteration Method I (0.3 Miles).
Begin Seeding (1.4 Acres).
Project work at junction left (west) with project road Rd. 5159 at Rd. 5159 sta. 40+12.
| 3+47 |
| Drainage Excavation |
| Dry swale. |
| 5+80 |
| Drainage Excavation |
| Dry swale. |
| 6+65 |
| Construct Cross-Drain Channel (CDC) |
| Seep |
| 9+88 – 10+39 |
| Reference |
| Fill failure, road width reduced to 3 ft., rippable soil and rock for access rebuild. |
| 11+15 – 11+88 |
| Reference |
| Fill slumping, road width reduced to 9 ft., rippable soil and rock for access rebuild. |
| 12+20 |
| Construct SGC |
| Probable failed log culvert, perennial stream. |
| 15+24 |
| End of Project; End Item 21103A, Roadway Obliteration Method I. |
Project work ends at end of road construction.
Middle Bugs Road Decommissioning Project
ROAD NO. 832000
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Several perennial stream crossings have had culverts and part of fill removed but are nor restored to natural steam grade.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 832000 |
Begin Item 21103B, Roadway Obliteration Method II (0.3 Miles).
Begin Seeding (1.3 Acres).
Project work on Rd. 832000 begins at junction left (north) withRd. 103 at Milepost 21.1. This is approx. 6.0 miles from Beaver Dam Saddle.
| 13+51 |
| Change Obliteration Method. |
End Obliteration Method II, Item 21103B.
Begin Roadway Obliteration Method I. Item 21103A (0.8 miles) Continue Seeding (4.0 Acres) On northwest side of ridge after wide turn in road. Change obliteration method to Method I: Recontour for remainder of road.
| 19+08 |
| Construct Stream-Grade Channel (SGC) |
| Culvert and portion of filled pulled, not to natural stream grade, crossing, perennial stream. |
| 24+03 |
| Construct Cross-Drain Channel (CDC) |
| Seep, saturated road, water flowing down road |
| 24+65 |
| Construct SGC |
| Culvert and portion of filled pulled, not to natural stream grade, crossing, perennial stream. |
| 27+39 |
| Construct CDC |
| Saturated road |
| 27+90 |
| Construct CDC |
| Seep, saturated road |
| 29+30 |
| Construct SGC |
| Culvert and portion of filled pulled, not to natural stream grade, crossing, perennial stream, wood in fill, 4 ft. piece of 18 in. CMP remains at side of road. |
| 30+68 |
| Construct CDC |
| Saturated road |
| 31+30 |
| Construct SGC |
| Probable failed log culvert, perennial stream at surface above road, goes subsurface in middle of road. |
| 33+38 |
| Construct CDC |
| Seep, water flowing in ditch to waterbar |
| 34+25 |
| Construct CDC |
| Seep, saturated road. |
| 41+90 |
| Construct CDC |
| Seep, water flowing in ditch to waterbar |
| 42+15 |
| Drainage Excavation |
| Dry swale |
| 53+60 |
| Construct SGC |
| Culvert and portion of filled pulled, not to natural stream grade, crossing, perennial stream. |
| 56+00 |
| End of Project; End Item 21103A, Roadway Obliteration Method I. |
Project work ends at end of road construction.
Middle Bugs Road Decommissioning Project
ROAD NO. 553
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Road contains segments with cutslope and fill failures that will require reconstruction for acesss.
STATION
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 553 |
Begin Item 21103B, Roadway Obliteration Method II (1.0Miles).
Begin Seeding (5.2 Acres).
Project work on Rd. 553 begins at restriction gate on Rd. 553 approx. 150 ft. southwest of junction right (south) with Rd. 103 at Rd. 103 Milepost 24.4. This is approx. 9.4 miles from Beaver Dam Saddle.
| 1+65 |
| Reference |
| Junction right (west) spur road, junction left (east) trail, no work on spur road or trail. |
| 15+75 |
| Construct Stream Grade Channel (SGC) |
| Existing 18 in. CMP, small perennial stream. |
| 17+75 |
| Drainage Excavation |
| Dry swale |
| 22+00 |
| Reference |
| Junction right (west) spur road, , no work on spur road. |
| 25+30 |
| Reference |
| Junction right (south) project road 553A. Roadway Obliteration Method II. See Rd. 553A worklist. |
| 29+25 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief |
Fill failure, 75 ft. length, road width reduced to 4 ft.; cutslope is rippable soil and rock to rebuild access
| 34+10 |
| Construct Cross-Drain Channel (CDC) |
| Existing 18” CMP, Seep, Live water |
| 35+20 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief |
| 35+90 |
| Construct SGC |
| Existing 18 in. CMP, small perennial stream. |
| 39+00 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief |
| 42+40 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief |
| 47+70 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief |
| 51+05 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief |
| 54+65 |
| Drainage Excavation |
End of Project; End Item 21103B, Roadway Obliteration Method II.
Existing 18” CMP, ditch relief. Project work ends here. Road continues to northeast, no work on reminder of road.
Middle Bugs Road Decommissioning Project
ROAD NO. 553A
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel.
STATION
(Feet)
| ACTIVITY/DESCRIPTION |
| REMARKS |
| 0+00 |
| Begin Project Road 553A |
Begin Item 21103B, Roadway Obliteration Method II (0.3 Miles).
Begin Seeding (1.5 Acres).
Project work begins at junction right (south) at sta. 25+30 of project road 553A.
| 2+50 |
| Construct Cross-Drain Channel (CDC) |
| Begin 200 ft.segment with multiple seeps and areas of saturation. Existing rock buttress on cutslope here, retain buttress and construct CDC to improve drainage. |
| 3+00 |
| Construct CDC |
| Existing 18 in. CMP, plugged, inlet buried |
| 4+00 |
| Construct CDC |
| Saturated segments of road and ditch. |
| 5+75 |
| Construct Stream Grade Channel (SGC) |
| Existing 18 in. CMP, perennial stream, 15 ft. depth of fill at outlet |
| 9+90 |
| Drainage Excavation |
| Existing 18 in. CMP, |
ditch relief
| 13+30 |
| Drainage Excavation |
| Existing 18” CMP, ditch relief at swale |
| 16+30 |
| End of Project; End Item 21103B, Roadway Obliteration Method II. |
Project work on Rd. 553A ends at end of road construction at south edge of old harvest unit.
Middle Bugs Road Decommissioning Project
ROAD NO. 103
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Road contains segments with cutslope and fill failures that will require reconstruction for acesss.
ACTIVITY/DESCRIPTION
0+00
Begin Project Road 103 Begin Item 21103B, Roadway Obliteration Method II (2.9 Miles).
Begin Seeding (14.3 Acres).
Project work begins at restriction gate on Rd. 103 at Milepost 25.5, approx. 500 feet northeast of Rock Ridge Cr. crossing. This is approx. 10.5 miles from Beaver Dam Saddle.
| 3+25 |
| Construct Cross-Drain Channel (CDC) |
| Existing 18 in. CMP, trickle flow out of pipe, saturated road and cutslope |
| 7+35 |
| Construct CDC |
| Existing 18 in. CMP, Seep flow; 80 ft. long fill failure begins. Road width reduced to 2 ft. width, will need to reconstruct across failure |
| 7+60 |
| Construct Stream-Grade Channel (SGC) |
| Existing 18 in. CMP, perennial stream, fill failure continues here, approx.. 60% of road fill has failed and moved downslope |
| 10+20 – 12+40 |
| Reference |
| Segments with fill and cut failures and slumping; road width reduced to 5 feet due to cut slumping, cutslope is rippable for access rebuild |
| 13+05 |
| Construct SGC |
| Existing 18 in. CMP, perennial stream |
| 17+00 |
| Drainage Excavation |
| Throughfill across dry swale |
| 43+00 |
| Reference |
| Junction left (east) project road 103J, Roadway Obliteration Method 1. See Rd. 103J worklist. |
| 52+80 |
| Construct CDC |
| Seep from cutslope, ponded water on rd |
| 53+50 |
| Construct SGC |
| Existing 18 in. CMP, perennial stream |
| 59+50 - 60+50 |
| Reference |
| Segments with fill and cut failures and slumping; road width reduced to 8-10 feet, cutslope is rippable soil and rock for access rebuild |
| 61+50 |
| Construct CDC |
| Existing 18 in. CMP at seep from cutslope, ponded water on rd |
| 67+40 – 68+00 |
| Reference |
| Segment with slumping and failing fill, road approx. 20% outsloped |
| 77+00 |
| Construct CDC |
| Existing 18” CMP, live water from cutslope seep |
| 77+50 |
| Construct CDC |
| live water from cutslope seep |
| 85+15 |
| Construct SGC |
| Existing 18” CMP, failed, perennial stream over road |
| 96+70 |
| Construct CDC |
| live water over road from cutslope seep |
| 150+55 |
| Reference |
| Junction right (west) project road 103K, Roadway Obliteration Method 1. See Rd. 103K worklist. |
| 150+55 |
| End of Project Road 103; End Item 21103B, Roadway Obliteration Method II. |
Project work ends at junction right (west) with Rd. 103K. Rd. 103 continues south, no work on remaining road 103.
Middle Bugs Road Decommissioning Project
ROAD NO. 103J
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Road contains segments with cutslope and fill failures that will require reconstruction for acesss.
0+00
Begin Project Road 103 J Begin Item 21103A, Roadway Obliteration Method I (0.2 Miles).
Begin Seeding (1.2 Acres).
Project work begins at junction left (east) with Rd. 103 at sta. 43+00.
| 4+00 |
| Construct Stream-Grade Channel (SGC) |
| Live water, perennial stream, partially pulled crossing, logs still remain in fill, co culvert found |
| 3+80 - 4+00 |
| Reference |
| Fill failure, reduced to 6 ft. road width, rebuildable for access |
| 12+30 |
| End of Project; End Item 21103A, Roadway Obliteration Method I. |
| Project ends at end of road construction at edge of old harvest unit |
Middle Bugs Road Decommissioning Project
ROAD NO. 103K
*CMP: corrugated metal pipe, CDC: cross-drain channel, SGC: stream-grade channel. Note: Road contains segments with cutslope and fill failures that will require reconstruction for acesss.
0+00
Begin Project Road 103 J Begin Item 21103A, Roadway Obliteration Method I (0.4 Miles).
Begin Seeding (2.0 Acres).
Project work begins at junction right (west) with Rd. 103 at sta. 150+55.
| 6+00 – 6+50 |
| Reference |
| Fill failing and sagging, reduced to 7 ft. road width, but easily rebuildable for access |
| 15+50 |
| Construct Stream-Grade Channel (SGC) |
| Live water, perennial stream, partially pulled crossing or failed log culvert, 16 ft depth to toe of fill at outlet |
| 18+40 |
| Construct Cross-Drain Channel (CDC) |
| Seep |
End of Project at Completed SGC; End Item 21103A, Roadway Obliteration Method I.
Live water, perennial stream, old failure, wood in fill and sloughing road. Project ends at completed SGC at end of road construction.