TrailLog_RavenTrlPh2_12112018_bhcj.pdf

KEY TO WORK ITEMS:

ABBREV.

AS AGGREGATE SURFACING

ASR AGGREGATE SURFACING WITH ROOTS

BA BOULDER AREA

BW-A BOARDWALK - NO STEPS

BW-B STEP & RUN BOARDWALK

CS CONCRETE STEP

DD DRAIN DIP

MS METAL STAIRCASE

NW NO WORK

RL RETAINER LOG

REST AREA REST AREA

SP STONE PITCHING

SRR SOLID ROCK REMOVAL

SRS STONE RISER STEP

SS STEP STONE

WA WORK AREA BETWEEN NUMBERED STATIONS

GENERAL NOTES

1). The beginning of work areas are marked on the ground by wood stakes with the work area number written on them. Leave all stakes in place until such time that the work is accepted by the Government. Should a stake be missing, notify the Government for replacement prior to the commencement of work in that area.

2). The work areas value shown is approximate feet from the beginning of the project or as referenced.

3). The Minimum Aggregate Surfacing Depth shown is the depth after placement and light compaction.

4). The quantities of steps/stones shown for Types SRS and CS are estimates given for the contractor's convenience only. Actual quantities may vary; the contractor is responsible for verifying actual quantities.

RAVEN TRAIL RECONSTRUCTION PHASE 2

TRAIL LOG

DESCRIPTION

WORK

AREA

BEGIN

QUAN.

WORK

AREA

END

WORK

ITEMS

MIN. AGGR.

SURFACING

DEPTH

(INCHES)

FINISHED

CL %

GRADE

AHEAD

NOTES

0 6 6 BW-A 0

0+00 located at point where existing trail transitions from 5' wide AS to 2x14 BW. BEGIN REROUTE at 0+00. Install BW-A to bridge water.

6 20 26 AS 15 15 Cut bench for trailbed into right side of skunk cabbage as marked.

26 6 32 BW-A 15 Span over drainage; follow left side of skunk cabbage.

32 24 56 AS 15 8 Follow left side of skunk cabbage. Cut approx. 24 LF ditch along right side.

56 20 76 BW-A 15

76 95 171 AS 15 20 Excavate hump at STA 1+68 for even grade.

171 3 177 CS 25 Follow left bank.

177 24 201 AS 10 20

201 7 208 AS 10 13

208 6 214 BW-A

214 24 238 AS 10 14 Cut trailbed into bank on left.

238 21 259 AS 10 10

247 DD

259 33 292 AS 10 11

292 27 319 BW-A 14

319 13 332 BW-B 18

332 26 358 AS 10 16 Excavate trail for even grade.

358 88 446 BW-B Cut through knobs and remove small trees for even grade.

446 8 454 REST AREA 0 SEE DRAWINGS for REST AREA 1, Install Sign #3 (Option Item 4)

454 35 489 BW-B Varies

489 25 553 BW-B Varies

553 12 565 BW-B Varies

565 103 668 AS 10 15

668 73 761 BW-A 2 to 8

761 52 813 AS 10 15 Cut through 2 logs, follow contour. Cut 2' off high point to create even grade.

813 32 845 AS 10 15 Note: new trail located adjacent to existing trail. END REROUTE at STA 8+45.

845 31 876 SP 22 Install ditch on uphill side of trail between STA 8+73 and 8+76

873 1 DD Ditch from outfall of DD to daylight, approx 10 LF

876 3 879 CS

879 34 913 AS 10 18

913 13 926 SP 27

926 5 934 CS

934 73 1007 AS 10 7 Shift CL to right into bank for even grade.

1007 20 1027 AS 10 15 Shift CL to right into bank for even grade. Install drain dip.

1027 60 1087 SP 44

1087 113 1200 AS 6 Varies Cut through knob at STA 11+37 through 11+44

1200 87 1287 AS 10 6 BEGIN REROUTE; remove hump at beginning of Work Area (WA) to maintain even grade.

1287 37 1324 SP 24

1287 60 1478 SRW Install at various locations where staked, estimate 60 SF.

1324 10 1343 CS 60

1343 48 1391 AS 10 17

1391 26 1417 SP 26

1417 7 1428 CS 42

1428 50 1478 SP Varies Trail meanders around boulder as flagged.

1478 88 1566 BA 22 Install Type SP

1566 60 1626 BA 10 5 Install Type AS

1626 36 1662 BA 32 Install Type SP

1662 17 1643 SP 43 END REROUTE at STA 16+62; follow existing trail.

1643 20 1693 SRS

1693 25 1718 AS 10 8

1718 42 1760 BA 10 14 BEGIN REROUTE at STA 17+18. Install Type AS

1760 3 1763 AS 10 0 Landing for staircase

1763 27 1790 MS 73

1790 11 1819 SRS 48

1819 20 1839 AS 10 15 Shift centerline into side slope for even grade.

BEGIN

QUAN.

WORK

AREA

END

WORK

ITEMS

MIN. AGGR.

SURFACING

DEPTH

(INCHES)

FINISHED

CL %

GRADE

AHEAD

NOTES

1839 2 1842 SRS

1842 29 1873 MS 70

1873 8 1900 SRS

1900 30 1930 MS 85 Remove duff tor minimize stair slope. Excavate to minize slope of stairs.

1930 4 1934 AS 10 AS landing between staircases. Fill to level surface.

1934 27 1961 MS 45

1961 73 2034 AS 10 14 Cut through hump for level grade; install retaining log.

1961 20 RL Length as staked.

2034 28 2066 AS 10 21

2066 64 2130 SP 30

2130 62 2192 AS 10 12 Cross existing trail before STA 21+92.

2192 15 2207 SP 26

2207 12 2232 CS

2232 37 2269 AS 10 6

2269 21 2290 SP 40

2290 61 2351 AS 10 15 Cut through organic humps for level grade.

2351 83 2434 ASR 10 Varies END REROUTE at STA 23+51; follow existing trail

2415 DD Install ditch for 10 LF to right

2434 50 2484 SP 32

2484 36 2520 ASR 10 12

2520 8 2528 SRR 16 Cut 4 steps into existing rock.

2528 2 2531 CS

2531 34 2565 ASR 10 6 At STA 25+49 remove 10" dia. hemlock & roots to provide even grade.

2565 9 2574 SRR Cut 4 steps into existing rock.

2574 7 2581 AS 10

2581 12 2593 SRR Cut 8 steps into existing rock.

2593 6 2599 AS 10

2599 18 2617 SRS May require SRR, grub out and obtain approval.

2617 17 2634 ASR 10 27 Install ditch at STA 26+24, 10 LF to daylight.

2634 9 2643 SRR Cut 5 steps in existing rock.

2643 17 2660 AS 10 25 Follow right hand fork in existing trail.

2660 2 2663 CS

2663 23 2686 ASR 10 31

2686 17 2703 ASR 10 20 Use root as step.

2703 5 2710 CS

2710 10 2720 ASR 10 Steps in roots; excavate organics and pack aggregate into step treads between roots.

2720 22 2742 AS 10 10 BEGIN REROUTE to right.

2742 3 2745 CS Climbing turn to left.

2745 52 2797 AS 10 15

2797 17 2814 SP 40

2814 15 2829 AS 10 10

2829 20 2849 SP 30 Wind to right then left.

2849 82 2931 AS 10 15 END REROUTE at 29+31.

2931 45 2976 ASR 10 Maintain existing trail grade.

2976 14 2990 MS 65

2990 33 3023 ASR 10 Steps in roots; excavate organics and pack aggregate into step treads between roots.

3023 22 3045 AS 10 12 Fill and cut for even grade.

3045 16 3061 AS 10 22

BEGIN REROUTE at STA 30+45. Remove 16" hemlock & rootwad; locate trail CL just uphill from 16" hemlock that was removed. END REROUTE at STA 30+61.

3061 10 3071 ASR 10 25

3071 13 3098 CS 38

3098 20 3118 AS 10 15 Cut through organic hump to achieve width.

3118 6 3124 AS 0

3120 1 DD

3124 6 3136 CS 30 Cut out roots to achieve finished grade.

3136 10 3146 AS 10 12

3146 6 3161 CS 10 30

3161 35 3196 AS 10 20 BEGIN REROUTE to right at STA 31+61

BEGIN

QUAN.

WORK

AREA

END

WORK

ITEMS

MIN. AGGR.

SURFACING

DEPTH

(INCHES)

FINISHED

CL %

GRADE

AHEAD

NOTES

3196 15 3227 CS 10 Varies

Where level grade exists between two CS staircases, set CS units as pavers to abut each other end to end. To prevent differential settling, support CS pavers on two 2x7 plank rails ripped from 2x14 recycled PT BW. Joints between 2x7 ends must fall in the middle of a CS paver so adjoining pavers settle as one unit. Embed 2x7 supporting planks in gravel bedding material. Install each CS so as to span both planks and to rest equally on surface of planks and surface of bedding material.

3227 148 3475 AS 10 Varies

3475 190 3665 AS 10 15 END REROUTE at 36+65 at top of old corduroy section.

3665 19 3684 ASR 10 20

3684 16 3700 AS 10 9 Cut out roots 1/2-way through WA.

3700 7 3713 CS Varies

3713 6 3719 SRR Cut 5 steps in existing rock; leave root at top.

3719 20 3739 ASR 10 9

3739 3 3742 CS 25 Keep roots at top; BEGIN REROUTE to right.

3742 39 3781 AS 10 22

3781 12 3806 CS

3806 7 3816 CS 55

3816 47 3863 AS 10 18 END REROUTE at STA 38+63.

3863 38 3901 AS 10 6 Cut through knob at STA 38+69 for 5 LF.

3901 2 3903 CS

3903 23 3925 AS 10 5

3925 1 3927 CS

3927 19 3946 AS 10 4

3946 24 3970 BW-B 18

3970 20 4016 CS 28 Shift CL to right for last 10' to avoid drainage as flagged.

4016 20 4063 CS 40

4063 3 4066 ASR 10 Follow existing grade.

4066 11 4077 AS 10 Follow existing grade.

4077 6 4084 CS 45

4084 22 4106 ASR 10 25 Follow right fork in trail.

4106 7 4116 CS 10 42

4116 20 4136 AS 10 18

4136 13 4162 CS 35

4162 45 4207 ASR 10 Varies

4207 3 4210 CS

4210 11 4221 AS 10 Follow existing grade.

4221 5 4232 CS

4232 29 4266 ASR 10 18

4266 6 4280 CS

4280 15 4295 AS 10 Follow existing grade.

4295 5 4304 CS 36

4304 54 4358 AS 10 10

4358 46 4404 ASR 10 18

4404 31 4435 AS 10 4

4435 40 4475 ASR 10 4

4475 23 4498 AS 10 2 BEGIN REROUTE to right at STA 44+75.

4498 7 4505 BW-A 0

4505 12 4517 AS 10 10

4517 5 4525 CS 10

4525 7 4532 AS 10 Landing for MS staircase

4532 20 4550 MS 65 END REROUTE at 45+50. Cut out roots at top as needed for stairs and grade ahead.

4550 60 4610 ASR 10 Follow existing grade; use roots as steps.

4610 5 4616 CS

4616 6 4622 AS 10 0

4622 12 4641 CS

4641 46 4687 ASR 10

4687 12 4699 ASR 10 Follow existing grade.

4699 5 4709 CS

4709 13 4722 ASR 10 18

BEGIN

QUAN.

WORK

AREA

END

WORK

ITEMS

MIN. AGGR.

SURFACING

DEPTH

(INCHES)

FINISHED

CL %

GRADE

AHEAD

NOTES

4722 5 4727 ASR

4727 18 4745 ASR 10 15

4745 9 4763 CS

4763 23 4786 AS 10 5

4786 18 4804 AS 10 25

4804 25 4829 AS 10 8

4829 7 4839 CS 48 Follow left side up. Remove 6" hemlock & roots.

4839 4 4843 ASR 10 Follow existing slope.

4843 4 4846 CS Leave large root at top for step.

4846 9 4855 ASR 10 Follow existing slope.

4855 13 4868 AS 18 0 18" depth of AS for grade.

4868 8 4876 ASR

Remove select roots to expose existing steps in bedrock; install aggregate between roots where bedrock is absent (approx. 1 LF).

4876 16 4892 AS 10 Follow existing slope.

4892 14 4906 SRR 38

Cut 3 or 4 steps into bedrock; no work toward end of work area where bedrock tread shows between roots.

4906 53 4959 ASR 10 12

4959 6 4971 CS 32

4971 119 5090 SRR 15 Full bench into slope on left for 15% finished grade.

4971 119 5090 AS 10 15 Install AS where SRR does not result in acceptable tread.

5090 18 5108 AS 10 Level Remove corduroy.

5108 23 5131 AS 10 14 Remove rock step midway through WA and level out for even grade.

5131 11 5142 AS 10 Level Remove corduroy.

5142 20 5174 CS BEGIN REROUTE to left at STA 51+42.

5174 32 5206 AS 10 15 END REROUTE at STA 52+06.

5206 40 5246 SP 30

5246 10 5256 AS 10

5256 10 5266 SRR 15 Cut into bedrock on right to achieve grade.

5266 19 5285 AS 10 15

5285 3 5287 CS

5287 6 5293 NW Existing bedrock slope acceptable as-is.

5293 34 5327 AS 10 10

5327 19 5346 ASR 10 15

5346 51 5397 AS 10 8 Remove corduroy.

5397 5 5403 CS

5403 18 5421 ASR 10 28 BEGIN REROUTE to left at STA 54+03.

5421 10 5431 AS 10 15

5431 14 5466 CS 30 END REROUTE at STA 54+66.

5466 19 5485 AS 10 12

5485 4 5490 CS

5490 38 5528 AS 10 15

5528 4 5533 CS

5533 11 5544 AS 10 Follow existing grade.

5544 3 5547 SRR Cut one step into middle of center boulder.

5547 2 5550 CS Keep root at top.

5550 10 5560 AS 10 Remove corduroy. Follow existing slope.

5560 13 5573 ASR 10 Follow existing slope.

5573 55 5628 AS 10 Follow existing slope.

5628 4 5634 CS Follow existing slope.

5634 8 5642 AS 10 Follow existing slope.

5642 3 5649 CS

5649 54 5703 AS 10 10

5703 3 5710 CS 30

5710 11 5721 AS 10 15

5721 25 5746 AS 10 25

5746 11 5757 AS 10 0

5757 3 5761 CS

5761 60 5821 AS 10 3

BEGIN

QUAN.

WORK

AREA

END

WORK

ITEMS

MIN. AGGR.

SURFACING

DEPTH

(INCHES)

FINISHED

CL %

GRADE

AHEAD

NOTES

5821 10 5847 CS 31 BEGIN REROUTE to right at STA 58+21.

5847 86 5933 AS 10 Varies Reroute to left side of existing trail at STA 58+47.

5933 8 5941 BW-A 0

5941 16 5957 AS 10 15 END REROUTE at STA 59+57.

5957 21 5978 AS 10 10

5978 8 5986 AS 16 Fill hole.

5986 8 5994 AS 10 Follow existing slope.

5994 3 5995 CS

5995 6 6003 AS 10 Follow existing slope.

6003 3 6007 CS

6007 28 6035 AS 10 Follow existing slope.

6035 18 6053 AS 10 25

6053 66 6119 AS 12 15 Install 25 LF ditch to right starting at STA 60+94; ditch to daylight.

6119 7 6131 CS 35

6131 4 6135 AS 10

6135 57 6242 CS 32

6242 7 6249 AS 10 8

6249 3 6254 CS

6254 20 6274 AS 10 10

6274 12 6299 CS 32 Follow stakes to right.

6299 22 6321 ASR 10 33

6321 13 6351 CS 42

6351 21 6372 AS 10 15

6372 52 6424 ASR 10 20

6424 130 6554 AS 10 18 max BEGIN REROUTE to left at STA 64+24. Cross existing BW trail at STA 64+98.

6554 21 6586 CS Varies

6586 13 6599 AS 10 15

6599 10 6618 CS 33

6618 71 6689 AS 10 14 END REROUTE at STA 66+89.

6689 120 6819 AS 10 Varies

6819 73 6892 AS 10 Varies BEGIN REROUTE to right at STA 68+19; END REROUTE at STA 68+92.

6892 54 6946 AS 10 5

6946 3 6949 CS

6949 5 6954 AS 10

6954 5 6961 CS

6961 12 6973 AS 10 18 BEGIN REROUTE to left at STA 69+73.

6973 207 7180 AS 12 Varies Enter subalpine muskeg at STA 70+00. Cross existing trail at STA 71+59, elev. approx. 1,650 FT above sea level. New spur trail to right begins at STA 71+80.

0+00 66 66 AS 10 8 New spur trail to overlook.

66 0 66 REST AREA SEE DRAWINGS for REST AREA 3. Install Sign #4 (Option Item 5)

7180 184 7364 AS 10 Varies Cross to left side of existing trail at STA 71+95 and continue reroute. Leave open muskeg and enter into scrub at STA 72+40.

7364 20 7384 SP

7384 365 7749 AS 10 Varies

7749 145 7991 SRR Full bench SRR estimated on 60% of WA. Perform grubbing then obtain staking of Trail Types.

7749 242 7991 AS 10 AS estimated for entire length. Perform grubbing then obtain staking of Trail Types.

7991 136 8127 AS 10 Varies END REROUTE at STA 81+27.

8127 48 8175 AS 10 0

8175 242 8175A AS 10 Varies BEGIN REROUTE to right at STA 81+75. REMAINDER OF PROJECT ON REROUTE.

8175A 33 8224 CS 45

8224 12 8236 AS 10

8236 7 8250 CS

8250 90 8340 AS 10 15

8340 8 8350 CS

8350 18 8368 AS 10 15

8368 8 8376 CS

8376 40 8416 AS 10 15

8416 12 8441 CS 30

BEGIN

QUAN.

WORK

AREA

END

WORK

ITEMS

MIN. AGGR.

SURFACING

DEPTH

(INCHES)

FINISHED

CL %

GRADE

AHEAD

NOTES

8441 66 8507 BW-B 6

8507 100 8607 AS 10 15

8607 19 8616 SRR Full bench.

8616 175 8791 AS 10 20 Cut through knob at STA 87+08 and at STA 87+29.

8791 10 8812 CS

8812 24 8836 AS 10 15

8836 6 8845 CS 30

8845 12 8857 AS 10 Level

8857 16 8888 CS 40

8888 111 8999 AS 10

Varies; 25 max

8999 21 9020 BW-A 0

9020 140 9160 AS 10 Varies Install Sign #6 where staked.

9160 14 9174 BW-A 0 9' span required for water crossing.

9174 68 9242 AS 10 Varies End Of Base Bid work at 92+42

9242 1 9242 REST AREA REST AREA 4 to right of STA 92+42; SEE DRAWINGS (Option Item #4).

POND TRL (Option Item #3)

POND TRL 20 SS Approx. 18 Step Stones (Type SS)

POND TRL 50 BW-B

POND TRL 280 AS 10

POND TRAIL DISTANCE TOTAL: Approx. 350 LF

DISTANCE TOTAL: Approx. 9470 LF