Attachment 4 - Combined Plan Set.pdf

PDF 7 MB Posted Aug 18, 2025

Attached to: Trailhead Upgrades Shealor, Thunder, Margaret Federal contract opportunity
Solicitation number: 127EAX25R0013
Issued by: Department of Agriculture Forest Service

About this file

Written by GovTribe AI · Aug 18, 2025

These are design and construction documents for the Highway 88 Trailhead Improvements GAOA (Great American Outdoors Act) Project in the Eldorado National Forest, Amador Ranger District, located in California. The project involves improvements at three trailheads: Shaelor Lake, Thunder Mountain, and Lake Margaret. Planned improvements include constructing 11-car parking lots, accessible parking spaces, rock-lined drainage ditches, installing single-unit vault toilets, trash bins, picnic tables, information kiosks, fee tubes, native surface trails, barrier rocks, and various site grading and landscaping work.

The project documents include detailed site plans, grading plans, and technical specifications for each trailhead, with a focus on accessibility, erosion control, and integration with the existing natural environment. The work is part of the United States Department of Agriculture Forest Service's R05 Pacific Southwest Region, with the project dated March 14, 2025. The schedule of items includes tasks such as mobilization, temporary traffic control, construction survey, clearing and grubbing, tree and stump removal, earthwork, aggregate base preparation, asphalt concrete placement, rock slope protection, signage, and installation of site furnishings.

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Other files for this federal contract opportunity

Other files attached to Trailhead Upgrades Shealor, Thunder, Margaret, newest first.
File	Type	Posted
127EAX25R0013 Solicitation.pdf	PDF	Aug 13, 2025
Schedule of Items.xlsx	XLSX spreadsheet	Aug 13, 2025

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FOREST LOCATION MAP

PROJECT LOCATION MAP

TRAVEL DIRECTIONS:

SHEET OF

United States Department of Agriculture Forest Service

HWY 88 TRAILHEAD IMPROVEMENTS GAOA PROJECT

FROM JACKSON, CA, TAKE CA-88 E TOWARDS KIRKWOOD FOR APPROXIMATELY 50 MILES. SHAELOR LAKE TRAILHEAD WILL BE ON THE LEFT (38.65629638374598, -120.1257479746785). FROM SHAELOR LAKE TRAILHEAD, PROCEED ANOTHER 4.4 MILES EAST ON CA-88 TO REACH THUNDER MOUNTAIN TRAILHEAD ON THE RIGHT (38.70715089326231, -120.10403281131683). FROM THUNDER MOUNTAIN TRAILHEAD, PROCEED ANOTHER 2.3 MILES TO REACH MARGARET LAKE TRAILHEAD ON THE LEFT (38.70453826421816, -120.07132439888939).

RECOMMENDED BY:

APPROVED:

FOREST ENGINEER DATE

FOREST SUPERVISOR DATE

DISTRICT RANGER DATE

3/2 8/2

5 0 8:

C :\U

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CALIFORNIA

AMADOR AND ALPINE COUNTIES

R05 PACIFIC SOUTHWEST REGION

ELDORADO NATIONAL FOREST

AMADOR RANGER DISTRICT

INDEX OF SHEETS

SHEET SHEET TITLE DATE

G-01 COVERSHEET 03/14/2025

G-02 SCHEDULE OF ITEMS 3/14/2025

G-03 GENERAL NOTES 3/14/2025

L-01 SHAELOR LAKE TH SITE & GRADING PLAN 3/14/2025

L-02 THUNDER MOUNTAIN TH SITE PLAN 3/14/2025

L-03 THUNDER MOUNTAIN TH GRADING PLAN 3/14/2025

L-04 LAKE MARGARET TH SITE PLAN 3/14/2025

D-01 DETAIL SHEET 1 3/14/2025

D-02 DETAIL SHEET 2 3/14/2025

D-03 DETAIL SHEET 3 3/14/2025

D-04 DETAIL SHEET 4 3/14/2025

D-05 DETAIL SHEET 5 3/14/2025

D-06 DETAIL SHEET 6 3/14/2025

D-07 DETAIL SHEET 7 3/14/2025

D-08 DETAIL SHEET 8 3/14/2025

D-09 DETAIL SHEET 9 3/14/2025

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 8/2

5 0 8:

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:\U

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.D W

R05

PACIFIC SOUTHWEST

HWY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

SCHEDULE OF ITEMS

03/14/2025

JMH

G-01 002 016

SCHEDULE OF ITEMS

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DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 8/2

5 1 0:

RT C

:\U

\JE

\23

I_G

.D W

R05

PACIFIC SOUTHWEST

HWY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

GENERAL NOTES

03/14/2025

JMH

G-02 002 016

NOTES:

1. CONTRACTOR SHALL POSSESS A VALID CALIFORNIA CONTRACTOR'S LICENSE. ALL LICENSES SHALL

REMAIN IN EFFECT THROUGHOUT THE TERM OF THIS CONTRACT.

2. EROSION CONTROL MEASURES ARE REQUIRED AT ALL STAGING AREAS AND WHEN EXCAVATION OCCURS IN OR NEAR WET DRAINAGES. EROSION CONTROL IS INDIRECT TO OTHER PAID ITEMS.

CONTRACTOR TO SELECT THE TYPE OF EROSION CONTROL NECESSARY FOR WORK. SEE TYPICALS FOR

APPROVED METHODS OF EROSION CONTROL AND FP-14 SECTION 157 FOR MORE INFORMATION.

3. EROSION CONTROL SHALL BE INSPECTED REGULARLY TO ENSURE FUNCTIONALITY. CONTRACTOR SHALL TAKE CORRECTIVE ACTIONS TO ENSURE EROSION CONTROL IS WORKING PROPERLY AT ALL

TIMES.

4. ALL ROADS USED BY THE CONTRACTOR DURING CONSTRUCTION SHALL BE MAINTAINED BY THE

CONTRACTOR.

5. RIPRAP, CLASS II, MAY COME FROM A COMMERCIAL SOURCE OR MAY BE COLLECTED ON SITE AS LONG AS IT MEETS SIZE REQUIREMENTS. UNITS FOR RIPRAP ARE IN CUBIC YARDS (CY) AND WILL BE

MEASURED IN PLACE FOR PAYMENT.

6. COMMERCIAL ROCK SOURCES - AGGREGATE SHALL BE OBTAINED FROM AN APPROVED SOURCE, CERTIFIED WEED FREE AND CERTIFIED TO CONTAIN NO MORE THAN 0.25% ASBESTOS TO BE IN

COMPLIANCE WITH CALIFORNIA HEALTH AND SAFETY CODE SECTIONS 93105 AND 93106.

7. MATERIAL SOURCE SUBMITTALS ARE REQUIRED. WEIGHT TICKETS FOR MATERIALS FROM COMMERCIAL SOURCES ARE REQUIRED FOR PAYMENT WHEN UNITS ARE IN TONS. WEIGHT TICKETS SHALL SPECIFY WHICH ROAD ROCK THE PRODUCTS WERE DELIVERED TO. FAILURE TO COMPLY MAY LEAD TO A DELAY IN

PAYMENT FOR ROCK AND ASSOCIATED WORK.

8. CONTRACTOR SHALL SUBMIT A TRAFFIC CONTROL PLAN MEETING THE LATEST VERSION OF THE MUTCD.

PLAN SHALL BE APPROVED BY COR IN CONSULTATION WITH RECREATION STAFF PRIOR TO START OF

WORK. NOTIFY FOREST SERVICE ABOUT EXTENDED ROAD CLOSURES PRIOR TO WORK.

9. CONTRACTOR SHALL SUBMIT AC MIX DETAILS FOR COR APPROVAL. SEE FP-14 SECTION 403 FOR

REQUIREMENTS.

10. IF A PROPOSED OR FEDERALLY LISTED THREATENED, ENDANGERED, OR FOREST SERVICE SENSITIVE (TES) BOTANICAL, AQUATIC, OR TERRESTRIAL SPECIES ARE DETECTED DURING WORK, OPERATIONS

SHALL CEASE IN THAT AREA, AND COR SHALL BE INFORMED IMMEDIATELY TO CONSULT WITH

APPROPRIATE BIOLOGIST TO DETERMINE APPROPRIATE ACTIONS TO TAKE.

11. THE CONTRACTOR SHALL PROTECT ALL TREES, SHRUBS, AND OTHER VEGETATION OUTSIDE OF

GRADING LIMITS DURING CONSTRUCTION. ANY EXISTING VEGETATED AREA DISTURBED BY

CONSTRUCTION OPERATIONS SHALL BE RESTORED AS CLOSELY AS PRACTICAL TO ITS PREEXISTING CONDITION AT THE CONTRACTOR'S EXPENSE. IF THIS CONDITION OCCURS IT IS RECOMMENDED THAT THE EXISTING LANDSCAPING/VEGETATION BE SALVAGED AND REPLACED. IF THIS IS NOT POSSIBLE, DISTURBED AREAS SHALL BE REVEGETATED AT THE EXPENSE OF THE CONTRACTOR TO THE

SATISFACTION OF THE FOREST SERVICE.

12. APPLY 1-2" OF MULCH TO ALL DISTURBED AREAS. MULCHING MATERIAL SHALL BE SHREDDED SLASH

MATERIAL FROM THE ASSOCIATED TREE REMOVAL. SEE TECHNICAL CONDITIONS.

13. VEGETATION (LESS THAN OR EQUAL TO 10" DIAMETER MEASURED 4' ABOVE GROUND SURFACE) SHALL BE CLEARED AND GRUBBED ONLY WHERE SHOWN ON THE DRAWINGS. CLEARING OF TREES, SHRUBS, OR VEGETATION SHALL BE APPROVED BY THE CONTRACTING OFFICER REPRESENTATIVE.

14. EXISTING TREES THAT ARE IN OR ADJACENT TO THE CONSTRUCTION AREA AND ARE GREATER THAN 10" IN DIAMETER (MEASURED 4' ABOVE GROUND SURFACE) SHALL REMAIN IN PLACE AND BE PROTECTED

FROM DAMAGE UNLESS SHOWN TO BE REMOVED ON THE PLANS.

15. EXISTING CONDITION SURVEY DOES NOT INCLUDE ALL EXISTING TREES OR STUMPS. ALSO DOES NOT INCLUDE METAL POSTS AT THUNDER MOUNTAIN TH. NECESSARY TREE OR STUMP REMOVALS WILL BE FLAGGED AND FINALIZED IN THE FIELD WITH THE C.O.R. THE CONTRACT ACCOUNTS FOR UP TO FIFTEEN

(15) TREES, UP TO FIVE (5) STUMPS, AND UP TO 20 METAL POSTS.

16. ALL DIMENSIONS GIVEN ARE IN FEET UNLESS SPECIFIED OTHERWISE.

17. ALL DIMENSIONS ARE SUBJECT TO FIELD ADJUSTMENTS AS DETERMINED BY COR.

18. EVERY EFFORT HAS BEEN MADE TO SHOW LOCATIONS OF ANY AND ALL EXISTING SURFACE AND

SUBSURFACE STRUCTURES. HOWEVER, ACTUAL FIELD CONDITIONS AND LOCATIONS CAN VARY

CONSIDERABLY FROM THE PLAN LOCATIONS. THE CONTRACTOR IS RESPONSIBLE FOR THE

PROTECTION OF AND REPAIR OF ANY DAMAGE TO EXISTING UNDERGROUND FACILITIES. CALL

"UNDERGROUND SERVICE ALERT" 811 OR 1-800-227-2600 AT LEAST 2 WORKING DAYS PRIOR TO ANY

EXCAVATION.

19. IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, THE CONTRACTOR WILL BE SOLELY AND COMPLETELY RESPONSIBLE FOR THE CONDITIONS OF THE JOB SITE INCLUDING

SAFETY OF ALL PERSONS AND PROPERTY DURING PERFORMANCE OF THE WORK. THIS

REQUIREMENT WILL APPLY CONTINUOUSLY AND SHALL NOT BE LIMITED TO NORMAL WORKING

HOURS. THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE DESIGN AND CONSTRUCTION OF

PROPER SHORING OF TRENCHES IN ACCORDANCE WITH OCCUPATIONAL SAFETY LAWS. THE DUTIES

OF THE PROJECT ENGINEER DO NOT INCLUDE REVIEW OF THE ADEQUACY OF THE CONTRACTORS

SAFETY IN, ON, OR NEAR THE CONSTRUCTION SITE.

20. SHOULD IT APPEAR THAT THE WORK TO BE DONE, OR ANY MATTER RELATIVE THERETO, IS NOT SUFFICIENTLY DETAILED OR EXPLAINED IN THESE PLANS, THE CONTRACTOR SHALL CONTACT THE

COR AS SOON AS POSSIBLE FOR SUCH FURTHER EXPLANATIONS AS MAY BE NECESSARY.

21. THE LOCATIONS SHOWN FOR PROPOSED CONSTRUCTION (BOTH HORIZONTALLY AND VERTICALLY) WERE DETERMINED PRIMARILY FROM THE TOPOGRAPHIC SURVEY. THE CONTRACTOR SHALL NOTIFY THE COR IMMEDIATELY IF CONFLICTS ARE EVIDENT OR WILL BE CREATED BY THE PROPOSED DESIGN AS SOON AS THEY ARE IDENTIFIED. IN ADDITION, ANY DEVIATION FROM THE APPROVED DESIGN

SHALL BE COORDINATED WITH AND APPROVED BY THE COR.

22. THE CONTRACTOR SHALL REMOVE, STORE, AND REINSTALL INFORMATION PANELS ON EXISTING

KIOSK STRUCTURES.

23. NEW SIGNS, POSTS, HARDWARE AND INSTALLATION TO BE PROVIDED BY THE CONTRACTOR.

24. TRAILS, SITE FURNISHINGS, AND FACILITIES ARE DESIGNED TO MEET CURRENT ABA ACCESSIBILITY STANDARDS AND FOREST SERVICE ACCESSIBILITY GUIDELINES (i.e. FOREST SERVICE OUTDOOR RECREATION ACCESSIBILITY GUIDELINES - FSORAG). CONSTRUCTION OF THESE ITEMS SHALL ALSO MEET THE GUIDELINES UNLESS OTHERWISE IDENTIFIED ON THE PLANS. ALL TRAILS SHALL BE

CONSTRUCTED AS ACCESSIBLE ROUTES.

25. ANY SITE FACILITIES NOT SHOWN ON THE DRAWINGS SCHEDULED FOR DEMOLITION WILL BE

IDENTIFIED BY THE COR PRIOR TO OR DURING CONSTRUCTION.

26. CONSTRUCTION STAKING SHALL BE APPROVED BY THE COR PRIOR TO BEGINNING EXCAVATION OPERATIONS TO ENSURE THAT SLOPE STAKING WILL PROVIDE THE DESIRED SITE RESTORATION TO

CONFORM WITH THE EXISTING TERRAIN. DIMENSIONS SHOWN ON PLANS ARE FOR ADDITIONAL

INFORMATION ONLY.

27. ALL PAVEMENT STRIPING SHALL BE LAID OUT BY THE CONTRACTOR FOR APPROVAL BY THE COR

PRIOR TO ANY APPLICATION OF PAINT.

28. THE 'AS-BUILT' PLAN SET SHALL INCLUDE NEWLY INSTALLED ITEMS, AS WELL AS THE LOCATION OR

TERMINATION OF ANY ABANDONED SYSTEMS THAT ARE KNOWN OR DISCOVERED DURING

CONSTRUCTION.

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EP EP

INSTALL SINGLE UNIT

VAULT TOILET

(RIGHT HAND MODEL)

CONSTRUCT STABILIZED SHOULDER

CONSTRUCT ACCESSIBLE

CONCRETE WALKWAY

CONSTRUCT ROCK

LINED DITCH W

DISSIPATER

(APPROX. 62 LF)

D-8

D-3

D-2

CONSTRUCT ASPHALT APRON

D-2

INSTALL TRASH BIN1

D-7

D-9

TIE-IN PATCH 3

D-2

D-9

9'-6"

7440.00

7437.41

EPEP

EP EP

EPEP

SIGN

CLTR

REMOVE AND DISPOSE OF

EXISTING INFORMATION KIOSK,

SAVE INFORMATION BOARDS

AND REINSTALL ON NEW

INFORMATION KIOSK

44 74

37 74

INSTALL INFORMATION KIOSK

AND CONSTRUCT ACCESSIBLE

AGGREGATE LANDING NOT TO

EXCEED 2% IN ANY DIRECTION.

COORDINATE WITH FOREST

SERVICE LANDSCAPE ARCHITECT

FOR EXACT LOCATION.

D-7

D-3

INSTALL FEE TUBE 5

D-4

INSTALL PICNIC TABLE

WORK WITH FOREST SERVICE

FOR APPROPRIATE LOCATION

WITH SHADE AND FAVORABLE

SLOPE CONDITIONS.

ILLUSTRATED LOCATION IS

A PLACEHOLDER ONLY.

D-6

NATIVE SURFACE TRAIL

D-3

EP EP

7435.00

40 74

N: 4862.886 E: 5062.374 Z: 7435.00

N: 4866.579 E: 5047.192

Z: 7435.00

N: 4877.959 E: 5049.961 Z: 7434.75

N: 4872.886 E: 5058.559 Z: 7434.65

N: 4876.252 E: 5061.328 Z: 7434.12

N: 4867.627 E: 5063.476 Z: 7434.90

N: 4871.367 E: 5048.418

Z: 7434.90

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

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-S

E- P_

T H_

.D W

R05

PACIFIC SOUTHWEST

HWY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

SHAELOR LAKE TH

SITE & GRADING PLAN

03/14/2025

JMH

L-01 004 016

Feet 0 10 20

LEGEND

EXISTING CONTOURS

PROPOSED CONTOURS

PROPOSED ASPHALT

PROPOSED CONCRETE

PROPOSED KIOSK

PROPOSED SINGLE UNIT VAULT TOILET

PROPOSED TRASH BIN

PROPOSED BARRIER ROCK

PROPOSED ROCK LINED DITCH

PROPOSED ROCK DISSIPATER

NATIVE SURFACE TRAIL

TREE

NOTES:

1. SAVE INFORMATION PANELS FROM KIOSK TO BE

REMOVED AND STORE SAFELY. REINSTALL ON

PROPOSED NEW KIOSK.

PROPOSED PICNIC TABLE

NOTES:

1. VALUES REPRESENT FINISHED GRADE.

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7900.00

7907.34

SIGN

TR14

TR14 TR14

TR36

TR40

TR36

TR10

TR16

TR46

TR2x12

TR14

TR16

TR14

STUMP

TRAIL TRAIL

TRAIL

TR62

TR72

INSTALL 6' WHEEL STOP, TYP.

INSTALL SINGLE UNIT VAULT

TOILET BUILDING (LEFT HAND MODEL)

INSTALL TRASH BIN

INSTALL BARRIER ROCK, TYP.

REMOVE TREE

10'

CONSTRUCT ACCESSIBLE PARKING SPACE

CONSTRUCT ROCK-LINED DRAINAGE DITCH

W/ROCK DISSIPATER

INSTALL INFORMATION KIOSK

11' 5'

CONSTRUCT 12" STABILIZED SHOULDER, TYP.

CONSTRUCT 11 CAR AC PARKING LOT AND

ACCESS DRIVE

CONSTRUCT 1 PARALLEL PARKING

SPACE PULLOUT

20'

R20

R60

CONSTRUCT ACCESSIBLE AGGREGATE

PAD, NOT TO EXCEED 2% IN ANY DIRECTION

CONNECT NATIVE SURFACE TRAIL

TO INFORMATION SIGN LANDING

AND PICNIC TABLE

R11

R10

D-2

D-4

D-2

D-7

D-5

D-9

D-8

D-7

D-3

TIE-IN PATCH

D-2

D-3

INSTALL ROCK SLOPE PROTECTION

D-3

9.5

22'

9.5'

CONSTRUCT BATHROOM TURNOUT2

D-3

D-9

REMOVE AND DISPOSE OF EXISTING KIOSK, SAVE INFO PANELS.

INSTALL FEE TUBE 5

D-4

INSTALL PICNIC TABLE.

WORK WITH FOREST

SERVICE TO FIND LOCATION WITH

FAVORABLE SLOPES AND SHADE.

PROPOSED LOCATION IS

A PLACEHOLDER.

D-6

REMOVE STUMP

REMOVE TREE IF IMPACTED

BY PROPOSED GRADING

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 8/2

5 0 8:

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R05

PACIFIC SOUTHWEST

HWY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

THUNDER MOUNTAIN TH

SITE PLAN

03/14/2025

JMH

L-02 005 016

Feet 0 10 20

NOTES:

1. INFORMATIONAL PANELS ON EXISTING KIOSK TO BE REMOVED AND

SAFELY STORED. REINSTALL ON PROPOSED NEW KIOSK.

2. METAL FENCE POSTS EXIST ALONG SOUTHERN EDGE OF THE EXISTING

NATIVE SURFACE PARKING AREA. CONTRACT INCLUDES REMOVAL AND

DISPOSAL OF UP TO 20 POSTS.

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7907.34

SIGN

TR14

TR14 TR14

TR36

TR40

TR36

TR10

TR16

TR46

TR2x12

TR14

TR16

TR14

STUMP

TRAIL TRAIL

TRAIL

TR62

TR72

N: 5013.558 E: 4982.175

Z: 7901.10

N: 4961.885 E: 5092.445 Z: 7902.24

N: 4965.640 E: 5073.815 Z: 7901.98

N: 4926.888 E: 5019.114 Z: 7900.55N: 4930.135

E: 5004.213 Z: 7900.55

N: 4931.066 E: 4999.939

Z: 7900.50

N: 4941.849 E: 4993.384

Z: 7900.10 N: 4947.958 E: 4985.161 Z: 7899.90

N: 4947.489 E: 4971.734

Z: 7899.61

N: 4962.493 E: 4955.644

Z: 7899.63

N: 4985.111 E: 4945.318

Z: 7899.75

N: 5001.104 E: 4964.326

Z: 7900.62 N: 4995.805 E: 4991.245 Z: 7900.80

N: 4979.169 E: 5002.643

Z: 7900.15

N: 4991.237 E: 5026.266 Z: 7900.70

N: 4952.683 E: 5031.130 Z: 7900.35

N: 4958.653 E: 5005.181 Z: 7900.05

N: 5027.937 E: 5010.322

Z: 7901.50

N: 5019.830 E: 5070.347 Z: 7902.00

N: 4925.956 E: 5023.389 Z: 7900.50

N: 4932.557 E: 5033.949 Z: 7900.40

Z: 7900.55

-1 .1

-1 .5

-1.0%

-3.1%

-1.6%

-2.0%

-1 .9%

-1.6%

-2 .0

98 78

99 79

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 8/2

5 0 8:

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X-

-P

R05

PACIFIC SOUTHWEST

HWY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

THUNDER MOUNTAIN TH

GRADING PLAN

03/14/2025

JMH

L-03 006 016

Feet 0 10 20

NOTES:

1. VALUES REPRESENT FINISHED GRADE.

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INSTALL SINGLE UNIT VAULT TOILET

(RIGHT HAND MODEL)

CONSTRUCT BATHROOM TURNOUT

INSTALL TRASH BIN

REMOVE AND DISPOSE OF EXISTING INFORMATION KIOSK.

SAVE AND STORE INFORMATION BOARDS

TO INSTALL ON NEW KIOSK.

INSTALL NEW INFORMATION KIOSK.

24'

D-7

D-3

D-8

RELOCATE BARRIER ROCKS ALONG

BORDER OF TURNOUT

INSTALL FEE TUBE 5

D-4

CONSTRUCT 12" STABILIZED SHOULDER

INSTALL PICNIC TABLE.

WORK WITH FOREST SERVICE

TO FIND LOCATION WITH

FAVORABLE SLOPES AND SHADE.

PROPOSED LOCATION IS

A PLACEHOLDER.

D-6

D-2

TIE-IN PATCH 3

D-2

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 8/2

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PACIFIC SOUTHWEST

HWY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

LAKE MARGARET TH

SITE PLAN

03/14/2025

JMH

L-04 007 016Feet

0 10 20

NOTES:

1. SITE WAS NOT SURVEYED. BASE DRAWING IS FROM

ORIGINAL CONSTRUCTION DRAWINGS FOR THE

EXISTING PARKING LOT. VERIFY CONDITIONS IN FIELD,

WORK WITH FOREST SERVICE REPRESENTATIVE ON

ALL FINAL PLACEMENTS.

2. INFORMATION PANELS ON EXISTING KIOSK TO BE

REMOVED AND SAFELY STORED. REINSTALL ON

PROPOSED NEW KIOSK.

3. PROPOSED KIOSK AREA MAY NOT REQUIRE

CONSTRUCTION OF AGGREGATE VIEWING PAD AT THIS

SITE. ASSESS WITH COR FOR FINAL DETERMINATION.

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1.33'

2.00'

48"

MIN

NOT AT DRIPLINE

AT DRIPLINE

DETAIL 'A'

NOTES:

1. NO ORANGE PLASTIC CONSTRUCTION LIMIT FENCE SHALL BE USED. USE BLACK, GREEN, OR BROWN FENCING MATERIALS.

2. CLF AND TREE PROTECTION FENCE SHALL BE A MINIMUM OF 48" HIGH. FOR TREES WITH DRIPLINES THAT OVERHANG THE

CONSTRUCTION AREAS, THE LOCATION OF THE TREE PROTECTION FENCE SHALL BE DETERMINED IN THE FIELD BY THE

ENGINEER.

3. THE DETAIL SHOWN IS FOR TREE PROTECTION. MATERIAL AND SPACING SHOWN ALSO APPLIES TO CLF.

4. LEAVE 12" SPACING BETWEEN CONSTRUCTION LIMIT FENCE AND GROUND.

5. REMOVE CONSTRUCTION LIMIT FENCE AFTER CONSTRUCTION HAS BEEN COMPLETED.

1"X2"X4' LATH

OR AS APPROVED

BY ENGINEER

STAPLE NAILED

TO LATH NOT IN TREE

(3 TOTAL) PER LATH

1/4" STEEL CABLE

STRUNG THROUGH

STAPLES AND BOUND

TIGHTLY AROUND TREE

WRAP CLF

AROUND TREE

UNDER LATH

EXISTING TREE

1"X2"X4' LATH

BOUND TO TREE

SEE DETAIL 'A'

DRIP LINE

METAL FENCE POSTS @ 10.00' CC

LENGTH OF POST = 6.00' MIN

EMBEDDED DEPTH - 18.00' MIN

PLASTIC FENCING HEIGHT = 36" MIN

POST HEIGHT = 48" MIN

CONSTRUCTION LIMIT FENCE

CONSTRUCTION LIMIT FENCE 1

D-1NTS

FIBER ROLL 5

D-1NTS

GRAVEL BAG CHECK DAM 3

D-1NTS

FLOW 12" MIN

INSTALL TEMPORARY DAM

USING GRAVEL BAGS.

PLAN

SECTION A-A'

VARIES

NOTES:

1. PLACEMENT OF FIBER ROLLS IS SUBJECT TO EXISTING CONDITIONS.

2. PLACE FIBER ROLLS AS SHOWN ON PLAN SHEET.

3. FIBER ROLLS SHALL BE COMPLETELY MADE OF BIO-DEGRADABLE MATERIAL

4. PLACE GRAVEL BAGS OVER FIBER ROLL WHEN STAKES CANNOT BE USED DUE

TO BEDROCK.

5. UPON DEMOBILIZATION FIBER ROLLS SHALL BE REMOVED FROM SITE. STRAW

FROM FIBER ROLLS IS NOT TO BE SPREAD IN PLACE AS MULCHING MATERIAL.

INSTALL 1"x2"x24"

WOOD STAKES

INSTALL 1"x2"x24"

WOOD STAKES

EXISTING

GROUND

8" DIA FIBER ROLL (TYP)

8" DIA FIBER ROLL

BURY 12 DIA (TYP)

EXISTING GROUND

PLACE FIBER ROLLS

TO ELIMINATE ANY GAPS (1' MIN)

8" DIA FIBER ROLL (TYP)

4' (TYP.)1'

SECTION A-A

PROFILE

30' MINIMUM

PROVIDE FULL WIDTH

OF INGRESS/EGRESS

AREA (20' MIN.)NOTES:

1. A STABILIZED CONSTRUCTION INGRESS AND EGRESS IS REQUIRED AT ALL

ENTRANCES/EXITS FROM PAVEMENT TO NON-PAVEMENT AREAS.

2. THE ENTRANCE SHALL BE PROPERLY GRADED TO PREVENT RUNOFF FROM

LEAVING THE CONSTRUCTION SITE.

3. THE ENTRANCE SHALL BE CONSTRUCTED ON LEVEL GROUND.

4. PERIODIC TOP DRESSING WITH ADDITIONAL STONE SHALL BE PROVIDED TO

ENSURE THE INTEGRITY OF THE ENTRANCE DURING CONSTRUCTION.

5. THE ENTRANCE SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL.

ROCK MATERIAL SHALL BE ADDED WHEN SURFACE VOIDS ARE NOT VISIBLE.

6. ALL SEDIMENT DEPOSITS ON PAVED ROADWAYS SHALL BE REMOVED

IMMEDIATELY.

7. ALL MATERIALS SHALL BE REMOVED AT COMPLETION OF CONSTRUCTION

R=10'

C/L OF EXISTING

AC ROADWAY (TYP.)

TOP EDGE OF EXISTING

AC ROADWAY (TYP.)

CLASS 1, TYPE A FILTER FABRIC

SHALL BE INSTALLED UNDER ALL

AREAS OF ENTRANCE (ANGULAR

ROCK)

3"-6" ANGULAR ROCK

(12" THICK)

EDGE SECTION

(APPROX.) OF

EXISTING AC

ROADWAY (TYP.)

NTS

STABILIZED TEMPORARY CONSTRUCTION ENTRANCE

FLOW

DRAPE SILT FENCE FABRIC OVER

WELDED WIRE AND FASTEN WITH TIE

WIRES @ 8" VERTICAL AND 3'

HORIZONTAL SPACING O.C.

BURY TOE OF SILT FENCE

FABRIC 0.50' IN TRENCH

ON UPSLOPE SIDE

0.50'

1.50'MIN

3.00' MAX

AFFIX WELDED WIRE

FENCING TO POSTS

@ 6.00' OC MAX

NOTES:

1. PLACE FENCING SUCH THAT STORM RUNOFF CANNOT PASS AROUND OR UNDER FENCE

6.00' MAX

SILT FENCE

FABRIC

2"X2"X5' WOOD POST OR

METAL "T" POST (TYP.)

REINFORCED SEDIMENT LIMIT FENCE 2

D-1NTS

D-1

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

5 1 1:

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PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 1

03/14/2025

JMH

D-01 008 016

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ROAD/PARKING SECTION 1

D-2NTS

NOTES:

1. WITHIN THE 2' CLEARING, ONLY REMOVE VEGETATION DESIGNATED FOR REMOVAL ON THE PLANS OR

THAT MAY BE A HAZARD TO VEHICULAR TRAFFIC.

2. CLEARING WIDTHS MAY VARY AS SHOULDER WIDTHS VARY, SEE PLAN SHEETS FOR ROADWAY AND

SHOULDER WIDTHS

SLOPE VARIES

EXISTING GROUND. SCARIFY 12",

MOISTURE CONDITION, GRADE AND

COMPACT NATIVE SOIL TO 95% R.C.

PROPOSED GRADING TO

MEET EXISTING SLOPE

2:1 MAX

PROPOSED GRADING TO

MEET EXISTING SLOPE

2:1 MAX

EXISTING SLOPE

3" THICK HMA PAVING (PG 64-28),

1/2" AGGREGATE

ANY EXISTING ROAD SECTION TO BE REMOVED OR

PULVERIZED, GRADED AND COMPACTED AGGREGATE

BASE OR CRUSHED AGGREGATE SUPPLEMENT ADDED

TO MEET GRADES AS SHOWN ON THE PLANS. SEE

NOTES FOR ADDITIONAL INFORMATION.

1' AGGREGATE SHOULDER OR

STABILIZED PAVEMENT SHOULDER

IN AREAS IDENTIFIED ON PLAN

CLEARING WIDTH

G H

H T)

SEE LAYOUT PLANS FOR ROADWAY WIDTHS

1' AGGREGATE SHOULDER OR

STABILIZED PAVEMENT SHOULDER IN

AREAS IDENTIFIED ON PLAN

10' SINGLE LANE

20' DOUBLE LANE

6" COMPACTED SUBGRADE AT 95% R.C.

COMPACTED IN PLACE FOR CUT AREAS AND

GRADED NATIVE MATERIAL IN FILL AREAS

STRIPE ROAD AS SHOWN ON THE PLANS

CUT

FILL

NEW PAVEMENT STRUCTURAL

SECTION REFERENCE DETAIL

GRIND/MILL 2" DEPTH OF EXISTING

PAVEMENT SURFACE (TYP.),

SEE NOTE 1

EXISTING PAVEMENT AND

STRUCTURAL SECTION

NOTES:

1. GRIND/MILL EXISTING PAVEMENT SURFACE MINIMUM 2" DEPTH OR TOP LIFT; AND MINIMUM OF 2 FOOT

BEYOND AC TIE-IN JOINT.

24" MIN

TIE-IN T-PATCH 3

D-2NTS

D-2

STABILIZED PAVEMENT SHOULDER 4

D-2NTS

MEET EXISTING AS SHOWN ON PLANS.

(DAYLIGHT LINE/GRADING LIMITS)

EXISTING GROUND

RESTORE ALL DISTURBED AREAS,

SEE TECHNICAL CONDITIONS

TYPICAL ROAD SECTION

SCARIFY AND COMPACT SUBGRADE TO 90%

MINIMUM COMPACTION. FULL WIDTH OF WORK.

(6" DEPTH)

SLOPE PER PLAN, (2:1 MAX.)

3" CRUSHED AGGREGATE,

SEE TECHNICAL CONDITIONS

1' 1'

2%2%

STABILIZED PAVEMENT SHOULDER WITH DITCH CONDITION

TYPICAL ROAD SECTION

SCARIFY AND COMPACT SUBGRADE TO 90%

MINIMUM COMPACTION. FULL WIDTH OF WORK.

(6" DEPTH)

3" CRUSHED AGGREGATE 1'

ROCK LINED

DRAINAGE DITCH

STABILIZED PAVEMENT SHOULDER

BATHROOM TURNOUT DETAIL 2

D-2NTS

NOTE:

1. TURNOUT STRUCTURAL SECTION AC/AB SHALL MATCH ROAD DETAIL

ROAD

TRAVEL WAY

24'

12' 12'

TYP.

EDGE OF PAVING

12" AGGREGATE BASE SHOULDER (TYP.)

PRECAST VAULT TOILET.

SEE MANUFACTURERS DWGS

TRASH BIN AND CONCRETE PAD

GRADE SHALL NOT EXCEED

1.5% WITHIN 60" OF BUILDING.

D-2

D-7

D-8

D-2

D-9

D-2

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

5 1 1:

RT C

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R05

PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 2

03/14/2025

JMH

D-02 009 016

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2% SLOPE

3:1 TYP.

DIMENSIONS AS SHOWN ON PLANS/DETAILS

NOTES:

1. A CONCRETE MIX DESIGN FOR CONCRETE SLABS SHALL BE SUBMITTED BY THE

CONTRACTOR 14 DAYS PRIOR TO SCHEDULED PLACEMENT, TO ALLOW FOR REVIEW AND

APPROVAL BY THE COR.

2. CONCRETE SURFACE TO HAVE LIGHT BROOM FINISH

3. EDGE OF CONCRETE PAD TO BE LEVEL W/ FINISHED GRADE OF AC OR AB PAVEMENT

4. MAINTAIN 2" MIN COVER FOR ALL REINFORCEMENT

5. INSET ANCHORS PRIOR TO CONCRETE SETTING FOR ALL PAD CONTENTS IN ACCORDANCE

WITH MANUFACTURER REQUIREMENTS

EXISTING SLOPEEXISTING SLOPE

G H

H T

CONCRETE SECTION 1

D-3NTS

6" COMPACTED AGGREGATE, BASE

COURSE GRADING D, 95% R.C.

12" AGGREGATE SHOULDER

FLUSH W/ CONCRETE SURFACE

(TYP.) WHERE APPLICABLE AND

NO ADJACENT PAVEMENT

6" COMPACTED NATIVE SOIL

SUBGRADE (90% RC)

18"COMPACTED NATIVE SOIL

CONCRETE OR ASPHALT

SURFACE

SLOPE AT

4 TO 1MATCH BOTTOM OF

TRAIL SECTION AND TOP OF

AC/CONC SURFACE

ROLL TOP OF

CONCRETE/ASPHALT

SURFACE

D-3NTS

COMPACTED NATIVE SOIL TRAIL

18"

ROAD

FLOWLINE

4" DEPTH CONCRETE SECTION W/ 10

GAUGE WELDED WIRE MESH

FINISH GRADE CUT SLOPE

AT 3:1 MAX TO CATCH POINT

3' EXISTING GROUND.

COMPACT NATIVE FILL (90% R.C.)

FINISH GRADE AT 3:1 MAX SLOPE

SCARIFY (6"), MOISTURE CONDITION,

GRADE AND COMPACT NATIVE SOIL TO

90% R.C. REMOVE DEBRIS AND ROCK

FOR MAXIMUM PARTICLE SIZE OF 2"

2%-3% SLOPE

NATIVE SURFACE TRAIL SECTION 3

D-3NTS

FINISH GRADE CUT SLOPE AT

3:1 MAX TO CATCH POINT AT

3:1 SLOPE

VARIES SEE PLAN

COMPACT NATIVE FILL TO 90% R.C.

FINISH GRADE AT

3:1 SLOPE

AGGREGATE SURFACE SECTION 2

D-3NTS

EXISTING GROUND

SEE PLANS FOR CROSS SLOPE

3" COMPACTED SURFACE COURSE

AGGREGATE COMPACTED TO TO 95% R.C.

UNDISTURBED NATIVE OR

STRUCTURAL FILL (ACCEPTED

NATIVE) COMPACTED TO 90%

6" COMPACTED AGGREGATE BASE,

GRADING D, COMPACTED TO TO 95% R.C.

SECTION A-A'

WIDTH VARIES

SEE PLAN

NOTES:

1. SEE FOREST SERVICE OUTDOOR RECREATION ACCESSIBILITY

GUIDELINES FOR ACCESSIBILITY REQUIREMENTS. NATIVE SURFACE / ASPHALT CONCRETE

TRANSITION

WHERE APPLICABLE

KEY IN COIR FABRIC 1.00' MIN

BELOW EXISTING GROUND

CLASS 2 RIPRAP

SLOPE VARIES, SEE PLAN

AND PROFILE

BURY 1/2 MIN TO 3/4 MAX

DIAMETER OF ROCK

ONE ROW OF ROCKS

GREATER THAN 15"

NATIVE MATERIAL

PLACE COIR FABRIC BELOW ROCK

KEY IN COIR FABRIC 1.00' MIN BELOW

EXISTING GROUND

ROCK SLOPE PROTECTION 4

D-3NTS

D-5

NOTES:

1. SEE SHEET 7/D-2 FOR INFORMATION KIOSK INSTALLATION.

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

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RT C

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R05

PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 3

03/14/2025

JMH

D-03 010 016

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WHEEL STOP 4

D-4NTS

ACCESSIBLE PARKING STALL 2

D-4NTS

WHITE SYMBOL

BLUE BACKGROUND

ACCESSIBLE PARKING SYMBOL 3

D-4NTS

PARKING STALL 1

D-4NTS

EDGE OF PAVEMENT

10'

5'-6"

3' (TYP.)

EDGE OF ROAD

EDGE OF PAVEMENT

EDGE OF ROAD

11'

ACCESSIBLE PARKING SIGN

LOCATE AS SHOWN ON PLANS

SEE DETAILS

20'

NOTES:

1. PARKING STALLS SHALL HAVE A MINIMUM AREA OF 10'x20'. SEE PLANS FOR

LAYOUT INFORMATION. PARKING AREAS SHALL BE STAKED AND VERIFIED BY THE

COR PRIOR TO PARKING AREA CONSTRUCTION.

2. STRIPING AND MARKINGS ARE REPRESENTATIVE ONLY. STRIPING AND MARKINGS

SHALL CONFORM TO CALTRANS STANDARD PLANS, AND CA MUTCD.

3. STRIPING AND MARKING LAYOUTS SHALL BE REVIEWED AND ACCEPTED BY THE

COR PRIOR TO APPLYING PAINT.

PARKING

(ISA MARKING)

WHEEL STOP

SEE DETAIL

4" WIDE WHITE STRIPE

(TYP.)

2' 4" BLUE BORDER

4" WIDE WHITE STRIPE

4" WHITE DIAGONALS, TYP.

BLUE MAY BE USED

ACCESSIBLE SYMBOL

SEE DETAIL

NOTES:

1. PARKING STALLS SHALL HAVE A MINIMUM AREA OF 11'x20'. SEE PLANS FOR

LAYOUT INFORMATION. PARKING AREAS SHALL BE STAKED AND VERIFIED BY THE

COR PRIOR TO PARKING AREA CONSTRUCTION.

2. STRIPING AND MARKINGS ARE REPRESENTATIVE ONLY. STRIPING AND MARKINGS

SHALL CONFORM TO CALTRANS STANDARD PLANS, AND CA MUTCD.

3. STRIPING AND MARKING LAYOUTS SHALL BE REVIEWED AND ACCEPTED BY THE

COR PRIOR TO APPLYING PAINT.

4. ACCESSIBLE PARKING STALLS AND AISLES SHALL BE LEVEL WITH SURFACE

SLOPES NOT EXCEEDING 2.00% (1:50) IN ALL DIRECTIONS

NOTES:

1. STRIPING AND MARKINGS ARE REPRESENTATIVE ONLY. STRIPING AND MARKINGS

SHALL CONFORM TO CALTRANS STANDARD PLANS, AND CA MUTCD.

2. STRIPING AND MARKING LAYOUTS SHALL BE REVIEWED AND ACCEPTED BY THE

COR PRIOR TO APPLYING PAINT.

INSERT HANDLE

3' DIAMETER

ENVELOPE DEPOSIT SLOT,

SEE NOTE 1

IRON RANGERS FS1236A INSERT SERIES

(ALUMINUM CONSTRUCTION)

(2) PER EACH SHELL

IRON RANGER FS1236 SHELL SERIES

(8"X8" OR 12"X12" SQUARE TUBE)

(STEEL CONSTRUCTION)

J-BOLTS, SEE NOTE 4

INTERNAL MOUNTING PLATE

3/8" STAINLESS STEEL BASE PLATE

ACCESS HOLE

TO SHELL LOCK

FEE TUBE 5

D-4NTS

SECTION ELEVATION

NO. 4 REBAR HOOPS

NATIVE SOIL

MINOR CONCRETE FOOTING

NO. 4 REBAR

6" (TYP.)

NOTES:

1. FEE TUBE SHALL BE MANUFACTURED BY IRON RANGERS MODEL #: FS1236 SHELL / FS1236A INSERT SERIES.

2. TO BE POWDER COATED WITH MARTIN BROWN COLOR FINISH

3. ENVELOPE SLOT SHALL FACE ROADWAY

4. POSITION J-BOLTS SO THEY INTERLOCK WITH REBAR HOOPS

5. 2 INSERTS TO BE PROVIDED PER EACH IRON RANGER LOCATION

6. MAINTAIN 2" MIN COVER FOR ALL REINFORCEMENT STEEL

D-4

D-5

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

5 1 1:

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\JE

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R05

PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 4

03/14/2025

JMH

D-04 011 016

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ELEVATION

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SECTION A-A

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1" X 6" SPACER THROUGH CURBS

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FINISH SURFACE

AutoCAD SHX Text #6 x 24" REBAR ANCHOR 2 REQUIRED PER CURB

AutoCAD SHX Text 1" x 712" PIPE SLEEVE

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#4 REBAR 2" CLEARANCE 3 REQUIRED

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BARRIER ROCK 2

D-5NTS

NOTES:

1. MAX DISTANCE BETWEEN ROCKS OR LOG BARRIER SHALL BE 5'

2. APPROXIMATE BARRIER LOCATIONS ARE SHOWN ON THE PLANS. EXACT LOCATION SHALL BE AS DIRECTED/ACCEPTED IN THE

FIELD BY THE C.O.R.

3. ALL ROCKS SHALL HAVE UNIFORM DIMENSIONS W/ DIAMETERS VARYING 5% TO 15% IN ANY DIRECTION/Ø MEASUREMENT

4. DISTURBED EARTH BECAUSE OF INSTALLATION OF ROCK BARRIER SHALL BE BLENDED INTO THE SURROUNDING GROUND

5. WHEN LOCATION STAKES ARE USED, THEY DESIGNATE THE CENTER OF THE ROCK BARRIER

6. UNLESS RELOCATED OR SHOWN OTHERWISE, BARRIER ROCKS ARE TO BE PURCHASED COMMERCIALLY

ASPHALT CONCRETE

PAVEMENT

2'-3'

1/3 ROCK HEIGHT MIN

1/2 ROCK HEIGHT MAX

FINISHED GRADE

2'-6" MIN

1'-8"

3'-0" MIN

4'-0" MAX

4'-0" MIN

5'-0" MAX

ADJACENT BARRIER ROCK OR LOG

ROCK, SEE

NOTES 3 AND 4

1) CARRIAGE BOLT (3/8")

2) GALV. WASHER

3) SIGN

4) POST (6"X6")

5) METAL WASHERS

6) NUT

7) RECESS (OPTIONAL)

NOTES:

1. ALL SIGN BOARDS INSTALLED ON SINGLE POSTS SHALL BE CENTERED

2. DIMENSIONS ON SIGNS WILL VARY ACCORDING TO SIGN TYPE

3. ALL SIGNS SHALL BE INSTALLED USING VANDAL RESISTANT BOLTS AND NUTS

D-5

ACCESSIBLE PARKING SIGN

R99(CA) HDPE SIGN PANEL

R7-8b HDPE SIGN PANEL

VARIES

" M

6" X 6" PTDF BREAKAWAY POST

(TYP.)

2' MINIMUM'

5/16" X 3" BOLTS

(TYP.)

SIGN

COMPACTED NATIVE SOIL

SPECIFIED

HDPE SIGN PANEL

EDGE OF PAVEMENT

UNDISTURBED SOIL

ROADWAY - SINGLE POST TRAFFIC SIGN

3' M

NOTES:

1. SIGN LOCATIONS WILL BE STAKED IN FIELD WITH COR.

2. ALL POSTS SHALL BE 6"X6" PRESSURE TREATED DOUGLAS FIR (PTDF) ROUGH CUT PRESSURE

TREATED.

3. ALL SIGN POSTS SHALL HAVE 1" 45° CHAMFER ON TOP END OF POST.

4. ALL CARRIAGE BOLTS SHALL BE 3/8"; ROUND HEAD, INSTALLED PER THE SIGN INSTALLATION

DETAIL. ALL HOLES DRILLED ON PLASTIC SIGNS MUST BE OVERSIZED A MINIMUM OF 1/8" TO 1/4"

THAN THE BOLT USED. THIS IS TO PREVENT THE SIGN FROM CRACKING.

5. ALL POSTS SHALL BE SECURED BY COMPACTING NATIVE SOIL AROUND THE BASE OF THE POST.

6. SIGN PANELS SHALL BE MANUFACTURED BY:

WOOD PRODUCT SIGNS ROUTED RECYCLE PLUS, INC.,

4890 COUNTY ROAD 76

PARLIN, CO 81239

(970) 641-1675 www.woodproductsigns.com

OR APPROVED EQUAL.

7. ALL SIGNS SHALL BE INSTALLED AS LOCATED ON THE PLANS, AND SET 2' FROM PAVED ROAD EDGE.

8. ALL PTDF ELEMENTS SHALL BE TREATED WITH AMMONIACAL COPPER ZINC ARSENATE (ACZA)

9. TREAT ALL CUT ENDS OF PTDF WITH FIELD APPLIED COPPER NAPHTHENATE

1.5" BREAKAWAY HOLES

12"

5/16" X 3" BOLTS (TYP.)

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

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PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 5

03/14/2025

JMH

D-05 012 016

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PARKING

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PICNIC TABLE 1

D-6NTS

NOTES:

1. TABLE SHALL BE MANUFACTURED BY PILOT ROCK: A REGISTERED TRADEMARK OF R.J. THOMAS

MFG. CO., INC., P.O. BOX 946, CHEROKEE, IOWA 51012. (712) 225-5115. www.pilotrock.com. XT SERIES PICNIC TABLE - USING LUMBER. MODEL WXT/CB-8CO31 WITH FASTENER KIT FOR 3" x 10"

BOARDS (PART # 900-044) OR APPROVED EQUIVALENT AS APPROVED BY THE COR.

2. ALL REDWOOD TABLE ELEMENTS SHALL BE STAINED WITH (2) COATS OF OLYMPIC STAIN #713

3. CONTACT MANUFACTURER FOR FULL DIMENSIONS.

18" 12"

10"

12"

4' MIN LEVEL FG

ALL AROUND TABLE

10' LENGTH OF ZINC PLATED

5/16" THICK CASE HARDEN LINK

CHAIN

3/8" X 3" GALV BOLT AND NUT WITH

(2) FLAT WASHERS. PEEN THREADS

TO PREVENT REMOVAL OF NUT

3" X 10" X 8' REDWOOD PER SIDE CON

HRT #1 FOHC. 3/8" RADIUS

CHAMFERED OUTER TOP EDGES.

(3) 3" X 10" X 8' REDWOOD CON HRT

FOHC. 3/8" RADIUS CHAMFERED

OUTER TOP AND BOTTOM EDGES.

8' PICNIC TABLE FRAME WITH POWDER

COAT BLACK FINISH WHEEL CHAIR

ACCESSIBLE

MINOR CONC ANCHOR WITH 10'

LENGTH OF ZINC PLATED 5/16"

THICK CASE HARDEN LINK CHAIN

MANUFACTURERS DRAWINGS

4' MIN. TYP.

EX. TREE

EX. ROCK

(1) PICNIC TABLE

SEE DETAIL

NATIVE SOIL, COMPACT TO 90%

RELATIVE COMPACTION.

REMOVE ROCKS, LEVEL AND

RE-COMPACT TO STABILIZE.

REQUIRED CLEAR SPACE:

NATURAL OBJECTS MAY BE

INCORPORATED INTO THE SPACE,

AS LONG AS THE MINIMUM 4 FT OF

CLEAR SPACE IS MAINTAINED

AROUND THE PICNIC TABLE.

NOTES:

1. LOCATIONS OF PICNIC AREAS TO BE MARKED IN THE FIELD WITH THE COR. LOCATIONS SHOWN IN

DRAWINGS ARE PLACEHOLDERS.

2. AMENITIES SHALL BE CONSTRUCTED AS SHOWN ON THE PLANS AND AS APPROVED IN THE FIELD

BY THE COR.

3. PICNIC AREA SUBGRADE TO BE SCARIFIED TO 6" MINIMUM, MOISTURE CONDITIONED, LEVELED, AND COMPACTED TO 90% RELATIVE COMPACTION. REMOVE DEBRIS AND ROCK MATERIAL

GREATER THAN 2" FROM TOP 6".

4. SLOPE SHALL BE 2% MINIMUM AND 3% MAXIMUM. PICNIC AREAS SHALL BE STABILIZED AND

GRADED WITH SLOPE TO DRAIN WITH NATURAL TOPOGRAPHY, BUT NOT EXCEED 3% IN ANY

DIRECTION. GRADE SO RUNOFF WATER SHEET DRAINS ACROSS PICNIC AREA.

5. CUT AND FILL AROUND PICNIC SITES SHALL NOT EXCEED 3:1 SLOPES AND MATCH THE PICNIC

AREA'S SHAPE.

6. RETAIN EXISTING VEGETATION WHEN IT DOES NOT CONFLICT WITH GRADING.

7. MAINTAIN A 4FT. MINIMUM HORIZONTAL DISTANCE AND A 10 FT. MINIMUM VERTICAL DISTANCE

BETWEEN FURNISHINGS AND SHRUBS AND SMALL UN-LIMBED TRESS.

8. ADJUST PERIMETER OF THE SITE AS NEEDED TO ACCOMMODATE MINIMUM CLEARANCES SHOWN

ON THE DRAWINGS.

9. TABLES TO BE LOCATED OUT OF MIDDAY SUN TO THE EXTENT FEASIBLE

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

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PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 6

03/14/2025

JMH

D-06 013 016

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TRASH BIN

NTS

D-7

23 7/8"

24"

20"15 7/8"3 3/4"±1/8"

APPROX.

32" 32"

1/2" J BOLTS

SUNK IN

CONCRETE, TIED

TO REINFORCEMENT

32"

TRASH BIN NOTES:

1. TRASH BINS SHALL BE MANUFACTURED BY BEAR SAVER, 1390 S MILLIKEN AVE,

ONTARIO, CA 91761. (909) 605-1697 OR (800) 851-3887. www.bearsaver.com. MODEL: HA

SERIES SINGLE TRASH ENCLOSURE, ADA COMPLIANT - HA-P. FOREST BROWN, OR

APPROVED EQUIVALENT.

WELDED WIRE MESH

REINFORCEMENT

CONCRETE NOTES:

1. A CONCRETE MIX DESIGN FOR CONCRETE SLABS SHALL BE SUBMITTED BY THE

CONTRACTOR 14 DAYS PRIOR TO SCHEDULED PLACEMENT, TO ALLOW FOR

REVIEW AND APPROVAL BY COR.

2. SEE THE TECHNICAL CONDITIONS FOR SAMPLING AND SUBMITTAL

REQUIREMENTS.

3. CONCRETE SURFACE TO HAVE LIGHT BROOM FINISH.

4. EDGE OF CONCRETE PAD TO BE LEVEL W/FINISHED GRADE.

5. MAINTAIN 2" MIN COVER FOR ALL REINFORCEMENT

6. INSET ANCHORS PRIOR TO CONCRETE SETTING FOR ALL PAD CONTENTS IN

ACCORDANCE WITH MANUFACTURER REQUIREMENTS.

4" COMPACTED AGGREGATE, BASE COURSE

GRADING D, SEE SPECIFICATIONS. (95% RC)

6" COMPACTED NATIVE SOIL

SUBGRADE (92% RC)

4" DEPTH CONCRETE (4,000 PSI)

2" X 6" PTDF STRINGERS

CEDAR SHINGLE ROOF

2" NOTCH, TYP.

48" TO PANEL

MIDPOINT

3/8" X 7" GALVANIZED

LAG SCREW

6" X 6" PTDF POST (TYP.)

FRAMED-IN PLYWOOD PANEL

6" X 6" PTDF

3/8" X 9" GALVANIZED

CARRIAGE BOLTS, TYP.

GALVANIZED POST CAP

CONNECTION PAINTED

BROWN

6" X 6" PTDF, TYP.

2" X 6" PTDF STRINGER, TYP.

48"

7'-4"

GENERAL NOTES:

1. ALL LUMBER TO BE STAINED DARK BROWN. COLOR TO BE APPROVED BY

COR.

2. EXACT LOCATION FOR EACH BOARD SHALL BE STAKED ON THE GROUND

WITH COR.

3. INFORMATION PANELS FROM EXISTING KIOSKS ARE TO BE SAFELY STORED

AND REINSTALLED ON NEW KIOSKS.

4. ALL PTDF ELEMENTS SHALL BE TREATED WITH AMMONIACAL COPPER ZINC

ARSENATE (ACZA)

5. TREAT ALL CUT ENDS OF PTDF WITH FIELD APPLIED COPPER NAPHTHENATE

6. KIT OPTION MAY BE AVAILABLE FROM WOOD PRODUCTS SIGNS OR

APPROVED EQUAL BY COR.

7. SEE SHEET 2/D-3 FOR AGGREGATE SURFACE DETAIL.

7'-8"

42"

18" 95% COMPACTED SOIL

OR ROAD BASE OR 3000+

PSI CONCRETE

FOREST SERVICE INFORMATION KIOSK 2

D-7NTS

36"

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

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PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 7

03/14/2025

JMH

D-07 014 016

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VAULT TOILET BUILDING

SHOP DRAWINGS TO BE PROVIDED BY VENDOR PRIOR TO CONSTRUCTION

NOTES:

1. BUILDING MUST BE INSTALLED BY APPROVED MANUFACTURER. CURRENT APPROVED MANUFACTURERS

INCLUDE CXT. ALTERNATIVE MANUFACTURERS/SUPPLIERS AS PER THE SPECIFICATIONS.

2. ENTIRE BUILDING TO BE JAVA BROWN

3. ALL VAULTS TO INCLUDE OWL GUARD AND RAIN CAP

4. THIS SHEET IS FOR GENERAL REFERENCE ONLY AND INCLUDES CXT MANUFACTURER DETAILS.

5. THE DRAWING(S) AND DETAIL(S) FOR THE ACTUAL DIMENSIONS AND SPECIFIC INFORMATION REGARDING

THE BUILDING SHALL BE BASED ON SHOP DRAWINGS.

6. CONTRACTOR SHALL COORDINATE WITH MANUFACTURER FOR ALL CONSTRUCTION REQUIREMENTS, FOUNDATION/SUBGRADE PREPARATION, AND ADDITIONAL BUILDING FIXTURES/MATERIALS REQUIRED.

CAUTION! THE LOCATION OF EXISTING

UTILITIES SHOWN IS APPROXIMATE. ALL

EXISTING UTILITIES SHALL BE POTHOLED

PRIOR TO CONSTRUCTION.

* CALL BEFORE YOU DIG *

CONTACT UNDERGROUND SERVICE ALERT (USA)

1-800-227-2600

PRIOR TO ANY CONSTRUCTION WORK

D-8

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

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PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 8

03/14/2025

JMH

D-08 015 016

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ROCK LINED DRAINAGE DITCH 1

D-9NTS

SEE DETAIL 2/D-9 FOR DITCH END TRANSITION

EXISTING GRADE, TYP.

PLACE CLASS 1 RIPRAP IN

CHANNEL, OR APPROVED

ONSITE MATERIALS, MIN.

OF 18" THICK

ROCK DISSIPATER 3

D-9NTS

3:1 TO DAYLIGHT, TYP. WHEN NOT ADJACENT TO PAVED ROAD

DITCH END TRANSITION

NTS

D-9

FILTER FABRIC

KEY IN FILTER FABRIC

1' BELOW EX. GROUND

(TYP.)

END OF DITCH

(MEET EX.)

C C

PLAN SECTION B-B

Y 1

NOTES:

1. SURFACING AND CONSTRUCTION AS SHOWN ON ROCK LINED DRAINAGE DITCH DETAIL 1/D-9

2. TRANSITION OVER A 10' DITCH LENGTH UNLESS OTHERWISE SHOWN ON PLAN

3. RESTORE ALL AREAS DISTURBED OUTSIDE OF ROCK SURFACE IN ACCORDANCE WITH SPECIFICATIONS.

4. ROCK MATERIALS AND DIMENSIONS SAME AS 1/D-9

SECTION A-A

EXISTING GRADE

MEET EXISTING

DITCH

SECTION C-C

EXISTING GRADE

FL DITCH

10' (TYP)

NOTE: SEE PLAN FOR BEGIN AND END. BEGIN WILL BE A "POINT"

TO START DITCH AND END WILL BE A "FLARE" TO DISSIPATE

TRENCH.

EXCAVATION MATERIAL

FLOW

ADJUST 10-FT WIDTH

WHERE APPLICABLE

DEPENDING ON ACTUAL

DITCH WIDTH PER PLAN

(FINAL)

10'FLOW LINE OF ROCK LINED DITCH

EDGE OF ROCK LINED

DRAINAGE DITCH

PLACE CLASS 1 RIPRAP,

MIN.18-INCH THICK

FLOW LINE

24"

FILTER FABRIC

10'

18" NOMINAL

THICKNESS

18"

PROFILE PLAN

PLACE CLASS 1 RIPRAP,

MIN. 18-INCH THICK

ROCK LINED

DRAINAGE DITCH

EXISTING GROUND

ROCK LINED

DRAINAGE DITCH

BEGIN TRANSITION TO

ROCK DISSIPATER

TRANSITION

SECTION A-A

ROCK LINED DITCH

FLOW LINE

12" STABILIZED ROAD

SHOULDER WITH DITCH

CONDITION

TYPICAL ROAD SECTION

KEY IN FILTER FABRIC BELOW

CRUSHED AGGREGATE AND 1'

BELOW EX. GROUND (TYP.)

MEET EXISTING

GROUND

EXISTING GROUND

D-2

D-9

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

3/2 7/2

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PACIFIC SOUTHWEST

HIGHWAY 88

TRAILHEAD

IMPROVEMENTS

GAOA PROJECT

ELDORADO NATIONAL

FOREST

AMADOR DISTRICT

DETAIL SHEET 9

03/14/2025

JMH

D-09 016 016

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File details come from the government source that posted it. Updated Aug 18, 2025.