CB2102-Addendum 01.pdf

Elevations�based�on�the

NAVD�88�(MSL�=�0.00)

E le va ti o n fe e t)

E le va ti o n fe e t)

PROFILE

Scale:�1"�=�20'

3+00 4+00

5+00

170170

160160

150150

Peoria�Road3

BH-2

Sta:�3+72 Offset�=�6.7'±�Rt.

BH-1

Sta:�4+28 Offset�=�6.8'±�Lt.

Existing�bridge

PLAN

Scale:�1"�=�20'

BH-2

11/14/2023 El.�230.7

BH-1

11/13/2023 El.�230.7

140140

O w l�C re e k

87/10"

50/5"

SH-1-6

77/11"

50/5.5"

SH-2-7

24 �=�Standard�Penetration�Test �N�value

LEGEND

�=�Geotechnical�Boring�(BH)

SH-3-2����=�Shelby�Tube�Sample

50/#"�or�87/#"�=�SPT�Test�Refusal�Length

General�Notes:

1. Geotechnical�data�shown�on�this�drawing�are�a�consolidation�of information�and/or�revision�in�terminology�from�the�geotechnical boring�logs.��More�detailed�subsurface�data�is�available�on�the�boring logs�in�the�geotechnical�report.��The�boring�logs�and�geotechnical report�are�available�upon�request�for�review�at�the�office�of�the�Linn County�Road�Department.��Contractor�shall�refer�to�the�geotechnical report,�boring�logs,�and�information�therein.

2. In�accordance�with�ASTM�D1586,�N-values�are�reported�for�an interval�of�1-foot�except�as�noted.

3. SPT�samples�retained�using�a�hammer�efficiency�of�91%.

4. Refer�to�ODOT�Soil�and�Rock�Classification�and�Logging�-�Chapter�5 of�the�2023�GDM�for�a�description�of�the�terms�used�on�this�sheet.

UNIT�DESCRIPTIONS

ASPHALTIC�CONCRETE

CRUSHED�GRAVEL�(GW);�grey,�moist,�dense,�±34-inch�minus subangular�to�subrounded�gravel,�(base�rock).

Sandy�SILT�(ML)�and�SILT,�some�clay�and�sand�(ML);�brown, blue-grey,�and�blue-grey�to�grey,�non-plastic�to�medium�plasticity, damp�to�wet,�soft�to�hard,�fine�sand,�(alluvium).

Silty�SAND�(SM)�and�SAND,�some�silt�(SP-SM);�brown,�blue-grey�to�grey,�and grey,�non-plastic�to�low�plasticity�silt,�moist�to�wet,�very�loose�to�very dense,�fine�to�medium�sand,�(alluvium).

Silty�sandy�GRAVEL�(GM);�brown,�blue-grey,�and�brown�and�iron-stained, non-plastic�to�low�plasticity�silt,�moist�to�wet,�loose�to�very�dense,�fine�to coarse�sand,�fine�to�coarse�subangular�to�rounded�gravel,�(alluvium).

Sandy�SILT,�some�organics�(ML);�dark�brown,�grey,�and�brown�and iron-stained,�non-plastic�to�low�plasticity,�moist�to�wet,�soft�to�medium stiff,�fine�sand,�organics�consist�of�wood�debris�and�wood�fibers,�(alluvium).

SILT�(ML);�brown�and�light�brown�to�blue-grey,�low�plasticity,�damp,�stiff�to hard,�(alluvium).

Gravelly�silty�SAND�(SM);�blue�grey�to�grey,�non-plastic�to�low�plasticity�silt, moist,�very�dense,�fine�to�coarse�sand,�fine�subrounded�gravel,�(alluvium).

CLAY�(CH);�dark�grey,�medium�to�high�plasticity,�moist,�medium�stiff, (alluvium).

Sandy�clayey�SILT�(MH);�grey�to�blue-grey,�medium�to�high�plasticity,�moist, very�stiff�to�hard,�fine�sand,�(alluvium).

K P ro je ct s� C u rr e n t\B

R �0 -0 �O w l�C re e k� (P e o ri a �R oa d B ri d g e \K M G \A C A D \0 -0 �D e si g n.

d w g

/1 /2 5� :5 �A M

SCALE:�as�shown SHEET��BR-03

FOUNDATION�DATA�SHEET

WARNING

If�this�bar�does�not measure�1"�then�drawing is�not�to�scale

W.�Nickels

M.�McAdamsE-MAIL:��Roads@co.linn.or.us

FAX:�(541)�924-0202

PHONE:�(541)�967-3919

ALBANY,�OREGON��97322

3010�FERRY�STREET�SW

Brooke�Running

K.�Groom

820�N.W.�CORNELL�AVENUE

CORVALLIS,�OREGON�97330

BUS.�(541)�757-7645

1/10/20250002-0306

CB2102

OWL�CREEK�-�PEORIA�ROAD

BRIDGE�REPLACEMENT

LINN�COUNTY

T.�12�S.,�R.�04�W.,�SECTION�17,�W.M.

Foundation�Engineering,�Inc.

Professional�Geotechnical�Services

60776PE

OREGON

Expires:�12/31/26

DIGITALLY�SIGNED