Attachment 2 - Project Plans.pdf

FOREST LOCATION

VICINITY MAP

TRAVEL DIRECTIONS:

SHEET

OF

United States Department of Agriculture

Forest Service

EYAK RIVER RECREATION SITE

FROM DOWNTOWN CORDOVA: TRAVEL EAST FROM CORDOVA ALONG THE

COPPER RIVER HIGHWAY. THE CHUGACH NATIONAL FOREST EYAK RIVER

RECREATIONAL SITE IS LOCATED DIRECTLY OFF OF THE COPPER RIVER

HIGHWAY ON THE SOUTH SIDE OF THE HIGHWAY AT APPROXIMATELY MILE

POST 5.6.

LAT: 60°31'44.17"N

LONG: 145°38'23.76"W

RECOMMENDED BY:

APPROVED:

DISTRICT RANGER

RECREATION STAFF OFFICER

DATE

DATE

DATE

DATE

2/2 /23

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ALASKA

Valdez-Cordova County

R10

CHUGACH NATIONAL FOREST

CORDOVA RANGER DISTRICT

CORDOVA

BOAT LAUNCH REGRADING PROJECT

FOREST SUPERVISOR

FOREST ENGINEER

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GENERAL NOTES

SPECIFICATIONS : THE WORK SHALL BE IN ACCORDANCE WITH THE SPECIFICATIONS DESCRIBED IN THE SOW INCLUDING EYAK RIVER BOAT LAUNCH REGRADING CONTRACT SPECIFICATIONS, THE ALASKA DEPARTMENT OF TRANSPORTATION AND PUBLIC FACILITIES STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION, AMERICAN SOCIETY FOR TESTING AND MATERIALS STANDARDS (ASTM), AND AMERICAN ASSOCIATION OF STATE

HIGHWAY AND TRANSPORTATION OFFICIALS STANDARDS (AASHTO).

INSTALLATION PLAN: THE CONTRACTOR SHALL DEVELOP A DETAILED PLAN FOR REGRADING OF THE STRUCTURE.

THE PLAN SHALL INCLUDE EQUIPMENT THAT WILL BE USED, ALL STEPS THAT WILL BE TAKEN IN THE PROCESS AND PRECAUTIONS THAT WILL BE EMPLOYED TO ENSURE THE STRUCTURE WILL NOT BE DAMAGED. THIS PLAN SHALL BE SUBMITTED TO THE CO FOR APPROVAL A MINIMUM OF 14 DAYS PRIOR TO BEGINNING WORK. THE CONTRACTOR SHALL NOT PROCEED WITH WORK UNTIL THE WORK PLAN HAS BEEN APPROVED BY THE CO.

UTILITIES : NO UTILITIES EXIST AT THE PROJECT LOCATION.

NOXIOUS WEED CONTROL : ALL CONSTRUCTION EQUIPMENT SHALL BE FREE OF DIRT & DEBRIS AND INSPECTED

BY CO PRIOR TO BEING TRANSPORTED TO THE SITE.

DEWATERING : WATER FILLED BLADDER DAM SHALL BE USED TO DEWATER WORK AREA. COMPLY WITH ALASKA DEC AND DNR REQUIREMENTS. ALL FISH REMOVAL TO BE DONE BY CORDOVA RANGER DISTRICT FISHERIES DEPARTMENT. NOTIFY THE CO AT LEAST 14 DAYS PRIOR TO DEWATERING IN ORDER TO COORDINATED FISH

REMOVAL EFFORTS BY THE FOREST SERVICE.

STAGING AREAS : STAGING AREAS SHALL BE APPROVED BY THE CO.

CONTOURS: CONTOURS SHOWN ARE APPROXIMATE. IF THERE IS A DISCREPANCY BETWEEN THE ELEVATION SHOWN FOR A POINT AND THE ADJACENT CONTOURS, THE POINT ELEVATION WILL BE CONSIDERED CORRECT.

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

R10

ALASKA

EYAK RIVER

RECREATION

AREA BOAT

LAUNCH

REGRADING

CHUGACH NATIONAL

FOREST

Cordova Ranger District

GENERAL NOTES

02/02/2023

A. DALTON

A. DALTON

J. JOHNSTON

G-01 2 6

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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

R10

ALASKA

EYAK RIVER

RECREATION

AREA BOAT

LAUNCH

REGRADING

CHUGACH NATIONAL

FOREST

Cordova Ranger District

SITE PLAN

02/02/2023

A. DALTON

A. DALTON

J. JOHNSTON

C-01 3 6

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AutoCAD SHX Text Centerline

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STA 1+00.00

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AutoCAD SHX Text Enlarged Plan

AutoCAD SHX Text GRAPHIC SCALE 1 inch = 20 feet

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AutoCAD SHX Text 60 feet

AutoCAD SHX Text Ordinary High Water Elevation, 5'-0"

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AutoCAD SHX Text Pedestrian path

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STA 1+33.22

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STA 1+51.91

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STA 2+07.59

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STA 2+24.06

STA 2+38.93

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

R10

ALASKA

EYAK RIVER

RECREATION

AREA BOAT

LAUNCH

REGRADING

CHUGACH NATIONAL

FOREST

Cordova Ranger District

BOAT RAMP PLAN AND

PROFILE

02/02/2023

A. DALTON

A. DALTON

J. JOHNSTON

C-02 4 6

PROFILE SECTION

Scale: 3/16"=1'-0"A

ENLARGED PLAN VIEW @ BOAT RAMP

Scale: 3/16"-1'-0"1

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STA 1+00.00

AutoCAD SHX Text Class 1 Riprap

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CENTERLINE

AutoCAD SHX Text Elev.=100.00'

AutoCAD SHX Text Slope=3.1%

AutoCAD SHX Text Elev.=98.96'

AutoCAD SHX Text Slope=10%

AutoCAD SHX Text Elev.=97.09

AutoCAD SHX Text Slope=12.5%

AutoCAD SHX Text Elev.=87.65'

AutoCAD SHX Text Existing 6" compacted aggregate gradation D-1

AutoCAD SHX Text Existing Separation geotextile Mirafi HP 570 (depth varies)

AutoCAD SHX Text Double wide 15' Concrete Plank (Typ.) Boat Ramp

AutoCAD SHX Text Bury Last 3 Planks

AutoCAD SHX Text A

AutoCAD SHX Text C-03

AutoCAD SHX Text Excavate Only to Finish-Grade Elevation, Re-compact Base Course

AutoCAD SHX Text 3H:1V max slope

AutoCAD SHX Text Approximate depth of existing fill and geotextile at centerline

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AutoCAD SHX Text NOTES: 1. Remove and re-install only planks below Remove and re-install only planks below Station 2+03.75 All others shall be preserved in place without damage. 2. It is recommended that each side of the It is recommended that each side of the boat launch be completely re-graded independently of the other to allow an immobile operation surface. 3. See Detail 1 sheet C-03 for typical cross section of Boat Ramp. 4. Elevations are relative to project datum of Elevations are relative to project datum of 100 feet at station 1+00 5. Reuse existing D-1 gravel and Reuse existing D-1 gravel and base coarse where possible.

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STA 1+33.22

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STA 1+51.91

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STA 2+24.06

AutoCAD SHX Text Grade Break

AutoCAD SHX Text Elev.=88.10'

AutoCAD SHX Text Approximate Upstream River Bed Elevation Adjacent to Boat Launch

AutoCAD SHX Text Existing Boat Lauch (Approximate)

AutoCAD SHX Text Continue Approximate 12.5% Slope

AutoCAD SHX Text Remove Last Plank

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STA 2+07.59

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STA 2+38.93

AutoCAD SHX Text Place Class 1 Riprap

AutoCAD SHX Text Existing Grade Break (Approximate)

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AutoCAD SHX Text Existing Grade Break (Approximate)

AutoCAD SHX Text Grade Break

AutoCAD SHX Text Remove Grade Break. Begin Regrading.

AutoCAD SHX Text Place 6" compacted aggregate gradation D-1

AutoCAD SHX Text Separation geotextile Mirafi HP 570 Replace Starting at Station 2+07

AutoCAD SHX Text Remove 2 planks beginning at Station 2+03.75 to Facilitate Smooth Continuation of 12.5% Grade. - Re-install Planks Along with Newly Graded Section.

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STA 1+0.00

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STA 1+33.22

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STA 1+51.91

AutoCAD SHX Text Existing Grade Break (Approximate)

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STA 2+07.59

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STA 2+24.06

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STA 2+38.93

AutoCAD SHX Text Slope = 3.0%

AutoCAD SHX Text Ordinary High Water

AutoCAD SHX Text Salvage and Reuse Existing Riprap

AutoCAD SHX Text Salvage and Reuse Existing Riprap (Remove and dispose of Excess Volume)

Salvage and Reuse Existing Riprap (Remove and Dispose of Excess Volume)

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

R10

ALASKA

EYAK RIVER

RECREATION

AREA BOAT

LAUNCH

REGRADING

CHUGACH NATIONAL

FOREST

Cordova Ranger District

BOAT RAMP SECTIONS

AND DETAILS

02/02/2023

A. DLATON

A. DALTON

J. JOHNSTON

C-03 5 6

BOAT RAMP TYPICAL CROSS SECTION

Scale: NTS1

PRECAST CONCRETE PLANK PLAN VIEW

Scale: NTS2

BOAT RAMP TRANSVERSE SECTION

Scale: NTSC PLANK ELEVATION

Scale: NTSB

CONC. PLANK CROSS SECTION

Scale: NTSA

AutoCAD SHX Text Class 1 Riprap, Only Excavate Riprap as Needed to Regrade Ramp.

AutoCAD SHX Text Cable terminating hardware for last concrete plank

AutoCAD SHX Text 8"x24"x15'-0" concrete plank (other planks omitted for clarity)

AutoCAD SHX Text Skirtboard rubber spacer between all concrete planks

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AutoCAD SHX Text 1"x6"x6" square skirtboard rubber spacer w/ 5/8" hole drilledin center for wire rope

AutoCAD SHX Text 1/2" 6x19 Type 304Stainless Steel rope (2) each plank

4"x4"x1/4" Stainless Steel plate w/ 1" hole drilled incenter (For cable termination) Stainless Steel Wire Rope Swageless Stud Threaded Terminal End fitting (For cable termination)

AutoCAD SHX Text Concrete plank, other planks omitted for detail clarity.

AutoCAD SHX Text C-03

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AutoCAD SHX Text Place Separation Geotextile

AutoCAD SHX Text Compacted bedding aggregate gradation D-1

AutoCAD SHX Text PVC Pipe

AutoCAD SHX Text Concrete Plank

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AutoCAD SHX Text Stainless Steel wire rope

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AutoCAD SHX Text Skirtboard rubber spacer

AutoCAD SHX Text Place and Compact aggregate bedding gradation D-1

AutoCAD SHX Text Place 6" Aggregate base gradation D-1

AutoCAD SHX Text Separation geotextile Mirafi HP 570 Wrap entire Base Course. For Lower Fabric Layer; Protect in Place.

AutoCAD SHX Text 5% slope on native river bed backfill

AutoCAD SHX Text Class 1 Riprap

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AutoCAD SHX Text End Geotextile Seperation Fabric

AutoCAD SHX Text Geotextile Seperation

AutoCAD SHX Text Regrade and Compact Base Course, perform 4 passes of a self-propelled vibratory roller for compaction 1'-0" Maximum lift thickness

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AutoCAD SHX Text Aggregate

AutoCAD SHX Text 1V:2.5H

AutoCAD SHX Text Cut Scenario

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AutoCAD SHX Text 6" compacted aggregate Gradation D-1

AutoCAD SHX Text Place Separation Geotextile

AutoCAD SHX Text 1V:2.5H

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AutoCAD SHX Text Base Course

AutoCAD SHX Text 1" Gap. Fill with Joint Aggregate.

AutoCAD SHX Text NOTE: All spaces between concrete planks shall be filled with joint aggregate.

AutoCAD SHX Text 1V:1.5H

AutoCAD SHX Text Class 1 Riprap, Riprap base to remain

Lower Top of Riprap to Match Regraded Concrete Surface.

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

R10

ALASKA

EYAK RIVER

RECREATION

AREA BOAT

LAUNCH

REGRADING

CHUGACH NATIONAL

FOREST

Cordova Ranger District

BOAT RAMP

TEMPORARY

CONSTRUCTION

SECURING DETAILS

02/02/2023

A. DALTON

A. DALTON

J. JOHNSTON

C-04 6 6

STEEL ROD PLANK RESTRAINT

Scale: NTSA

CONC. PLANK CROSS SECTION

Scale: NTSB

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AutoCAD SHX Text 4"x4"x1/4" Stainless Steel Plate w/ 1" hole drilled incenter (for cable termination) Stainless Steel Wire Rope 12-inch Cable Clamp (For temporary cable termination during construction)

AutoCAD SHX Text Place 1" steel rods approximately 3' OC againstlowest unmoved plank to prevent movement of planks during construction, embedded to 2' depth or to refusal, whichever comes first.

AutoCAD SHX Text 12" Cable Clamp

AutoCAD SHX Text Steel rods may remain after construction, cut flush or below plank surface.

AutoCAD SHX Text 1" steel rods See Detail A. of C-04

See Sheet C-02 for stationing