A.02.02_OTAK_ASBUILT_Critical_Repairs.pdf

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Mouth of the Columbia River (MCR) North Jetty Rehabilitation
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DRAFT RFP - MCR North Jetty Rehabilitation - Critical Repair As-Built Drawings

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SHEET

IDENTIFICATION

SHEET OF

US Army Corps of Engineers

Portland District

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DESIGN TEMPLATE

(TYP.)

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15' 15'

1.5

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IDENTIFICATION

SHEET OF

US Army Corps of Engineers

Portland District

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83+0084+0085+0086+0087+0088+0089+0090+0091+0092+0093+0094+0095+0096+0097+0098+0099+00100+00

ARMOR STONE THAT IS TO BE PLACED BELOW 1-LAYER ARMOR LAYER

NEW ARMOR STONE PLACEMENT TO OCCUR WITHIN 1-LAYER

AREAS THAT ARE NOT EXPECTED TO REQUIRE USING NEW ARMOR STONE,

BUT MAY REQUIRE SOME REWORKING TO ACHIEVE INTERLOCKING AND

INTERFACE WITH NEW ARMOR STONE PLACEMENT

LEGEND

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C-003

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SCALE: 1"= 60'

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DESIGN TEMPLATE

FINISH GRADE

EL=25.1'

OUTER TRANSITION SECTION FROM 1V:1.5H

SLOPE AT 97+00 TO 1V:2H SLOPE AT STA. 97+50

V

H

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1V:1.5H

NOTE:

1. CALCULATED TOE LINE LOCATION BASED ON INTERPOLATIONS

PER 25.00 FOOT SECTIONS. AS-BUILT TOE LINE LOCATIONS

ARE SHOWN HERON AS COLLECTED BY OTAK INC. ON MAY 28,

JUNE 01, AND JUNE 04, 2015.

2. CONTOURS AND ELEVATIONS SHOWN ARE FROM

PHOTOGRAMETRIC SURVEY PERFORMED BY I-TEN INC., AND

BATHYMETRIC SURVEY PERFORMED BY NORTHWEST HYDRO

IN MAY 2015. BATHYMETRIC SURVEY DATA PERFORMED BY

DAVID EVANS AND ASSOCIATES IN 2014 WAS ALSO UTILIZED

AROUND THE "HORN" AND NORTH SIDE OF THE JETTY.

3. HORIZONTAL DATUM: NORTH AMERICA DATUM OF 1983 (NAD83

CORS96) PROJECTED TO THE OREGON NORTH ZONE STATE

PLANE COORDINATE SYSTEM WITH UNITS IN INTERNATIONAL

FEET.

4. VERTICAL DATUM: NAVD88 (2012A GEOID MODEL) WITH UNITS

IN FEET

150' 50'

V

H

R=15'

END REPAIR 99+00

N=967450.68

E=7295559.10

BEGIN REPAIR 85+00

N=968292.50

E=7296677.73

BOTTOM OF SINGLE

LAYER OF ARMOR STONE

INNER TRANSITION

SECTION

(50' MAX.)

JETTY REPAIR SECTION

1-LAYER ARMOR STONE

1-LAYER ARMOR STONE

CENTERLINE OF EXISTING GROUND

2015 PHOTOGRAMMETRIC DATA

TOE OF JETTY REPAIRS

CALCUALTED FROM 2015 DATA NO TOPOGRAPHIC INFORMATION IN THIS

AREA, DUE TO HEAVY WAVE ACTIVITY

TOE OF JETTY REPAIRS

CALCUALTED FROM 2015 DATA

AS-BUILT

TOE OF JETTY REPAIRS

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IDENTIFICATION

SHEET OF

US Army Corps of Engineers

Portland District

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CENTERLINE OF AS-BUILT

ARMOR STONE

File details come from the government source that posted it. Updated .