Exhibit B Plans~1.pdf

PDF 785 KB Posted

Attached to
ITB - Pleasant Hill School District Forestry Building Remodel
Solicitation number
S-P20001-00009386
Issued by
Lane County, Prospect CDP, Oregon

About this file

This document consists of engineering and geological plans for the Leehmann Cow Camp Pit, a prospective material source located in Lake County, Oregon, prepared for the Oregon Department of Transportation's Lakeview-Burns Highway District 11 Chip Aggregate Production Project. The plans depict a proposed aggregate extraction and processing site situated on property in the N 1/2, SW 1/4 of Section 3, Township 30 South, Range 23 East, along Highway 049 at mile post 48.61. The project includes designated areas for new and existing aggregate processing, stockpile locations, washing facilities, and scalpings and rejects storage, with multiple test pit locations (TP22-01 through TP22-22) marked across the site. The plans are drawn to scale ratios of 1"=240' for the overall site plan and 1"=120' for sectional views, with elevations referenced to the North American Vertical Datum 1988 (NAVD88). Cross-sectional details provided on sheet GE02 illustrate the original ground conditions, proposed excavation areas, and finished ground slopes at a nominal 1V:1.5H ratio for drainage purposes.

The plans were prepared by Bobbi Jean Cummiskey, a certified Oregon Engineering Geologist (license E2783, renewing September 1, 2024), who served as designer, drafter, and reviewer. The documentation is dated January 17-18, 2024, and represents the final electronic version of the site development plans. The material source is identified with source number OR-19-011-4 and DOGAMI number 19-0094, establishing its compliance with Oregon Department of Geology and Mineral Industries designations. The plans establish property boundaries, project boundaries, existing access roads, and proposed excavation areas to facilitate the extraction and processing of chip aggregate for highway construction purposes.

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Text version

0 4

4370 4370

N

Scale (ft.)

Datum 1988 (NAVD88)

1. Elevations shown are based on North American Vertical

PROSPECTIVE MATERIAL SOURCE

LEEHMANN COW CAMP PIT

N 1/2, SW 1/4, Sec. 3., T. 30 S., R. 23 E., W.M.

HWY. 049, M.P. 48.61

SOURCE # OR-19-011-4 DOGAMI # 19-0094

drawing is not to scale measure one inch then

If scale bar doesn't

SCALE WARNING

24012060

L A

K E

V

IE

W

B

U R

N S

H

IG

H W

A Y

(U

S

Scalpings

Existing

New and Rejects and Washing Area

Aggregate Processing

Processing Area

Stockpile and

A

A

B

B

Leehmann_2024_GE01.dgn :: Default 1/18/2024 10:00:28 AM hwyr40f CUSTOM 2880 Scale:

2. For "Section A-A" and "Section B-B", see sheet "GE02".

TP22-01

Property Boundary

Property Boundary

P r o p e r ty B o u n d a r y

P r o p e r ty B o u n d a r y

Property Boundary

Property Boundary

PROSPECTIVE MATERIAL SOURCE

TP22-03

TP22-02

TP22-04 TP22-10

TP22-05

TP22-09

TP22-06

TP22-08

TP22-07

TP22-15

TP22-14

TP22-13

TP22-11

TP22-12

TP22-19

TP22-18

TP22-17

TP22-16

TP22-21

TP22-22

TP22-20

C RETIIFED

OREGON

E N

GINEERING GEOLO

G

STI

E2783

RENEWS: 9-1-2024

BOBBI JEAN CUMMISKEY

C RETIIFED

OREGON

E N

GINEERING GEOLO

G

STI

E2783

RENEWS: 9-1-2024

BOBBI JEAN CUMMISKEY

Property boundary

Project boundary

Existing stockpile

Proposed stockpile

Excavation area

Existing access road

Test Pit Location

Notes:

PLAN

SCALE: 1"=240'

LEGEND

Storage Area

Overburden and Washing Area

Aggregate Processing

OF TRANSPORTATION

OREGON DEPARTMENT

Checker:Drafter:

Designer:

SHEET NO.

Reviewer:

AVAILABLE UPON REQUEST

FINAL ELECTRONIC DOCUMENT

LAKE COUNTY

LAKEVIEW-BURNS HIGHWAY

DISTRICT 11 CHIP AGGREGATE PRODUCTION PROJECT

F O

T N

E

MTRAPED

N

O G

E R

O

N

OI

T

ATROPS

N A

R T

Ryan Franklin

N/A

Bobbi Jean Cummiskey

Bobbi Jean Cummsikey

GE01

drawing is not to scale measure one inch then

If scale bar doesn't

SCALE WARNING

Notes:

0 100 200 300 400 500

Distance (ft.)

PROSPECTIVE MATERIAL SOURCE

LEEHMANN COW CAMP PIT

N 1/2, SW 1/4, Sec. 3., T. 30 S., R. 23 E., W.M.

HWY. 049, M.P. 48.61

SOURCE # OR-19-011-4 DOGAMI # 19-0094

2. Elevations shown are based on North American Vertical Datum 1988 (NAVD88)

Leehmann_2024_GE02.dgn :: Default 1/17/2024 7:48:27 AM hwyr40f Scale: 1"=120'

1. For location of "Section A-A" and "Section B-B", see sheet "GE01".

0 100 200 300 400 500

Distance (ft.)

E le v a ti o n ft

700 800

E le v a ti o n ft

PROSPECTIVE MATERIAL SOURCE

C RETIIFED

OREGON

E N

GINEERING GEOLO

G

STI

E2783

RENEWS: 9-1-2024

BOBBI JEAN CUMMISKEY

Original Ground

Original Ground

1V:

1.

5H

Finished Ground

Nominal slope for drainage

Property Boundary

Project Boundary

1V:

1.

5H

Finished Ground

TP22-04

TP22-02TP22-03

TP22-03

TP22-01

Excavation area

E le v a ti o n ft

E le v a ti o n ft

SECTION A-A

VERT. SCALE: 1":120'

HORIZ. SCALE: 1":120'

SECTION B-B

VERT. SCALE: 1":120'

HORIZ. SCALE: 1":120'

OF TRANSPORTATION

OREGON DEPARTMENT

Checker:Drafter:

Designer:

SHEET NO.

Reviewer:

AVAILABLE UPON REQUEST

FINAL ELECTRONIC DOCUMENT

LAKE COUNTY

LAKEVIEW-BURNS HIGHWAY

DISTRICT 11 CHIP AGGREGATE PRODUCTION PROJECT

F O

T N

E

MTRAPED

N

O G

E R

O

N

OI

T

ATROPS

N A

R T

Ryan Franklin

N/A

Bobbi Jean Cummiskey

Bobbi Jean Cummiskey

GE02

Leehmann_2024_GE01
Leehmann_2024_GE02
2024-01-22T10:11:03-0800
CUMMISKEY Bobbi Jean
2024-01-22T10:13:02-0800
CUMMISKEY Bobbi Jean

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