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This document is an Amendment (A002) to Solicitation No. 69056724B000025 for the OR FLAP DOUGLAS 251(1) project, specifically the Oregon Dunes National Recreation Area - Umpqua Dunes Access Improvements. The amendment, dated 06/18/2025, introduces revisions to multiple plan sheets: sheet A.1 revises the "Sheet Index", sheet F.1 revises the plan sheet, and sheets H.2a through H.2c are added. The project involves Off-Highway Vehicle (OHV) trail construction, highway realignment, grading, drainage, and safety improvements across two road segments totaling 2 miles ("ALI_MAIN_01" at 1.2 miles and "ALI_MAIN_02" at 0.8 miles). The project will utilize standard specifications for construction of roads and bridges on federal highway projects, with a design speed of 30 MPH and projected Average Daily Traffic (ADT) increasing from 1,843 in 2024 to 2,249 in 2044.

The amendment specifically details modifications to guardrail systems, including a Guardrail System MGS Type 2 with Class A Steel Posts (double-sided), weak-post W-beam median barrier, and associated technical specifications for bolt and washer configurations. The project is being prepared by the Federal Highway Administration's Western Federal Lands Highway Division in Vancouver, Washington, for implementation in Douglas County, Oregon. The technical revisions include precise engineering drawings for guardrail installation, post configurations, and mounting details, with specific notes on installation techniques such as terminal placement and flare adjustments.

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Other files

File Type Posted
Bid Tabulation_OR FLAP DOUGLAS 251(1).pdf PDF
Bid Summary_OR FLAP DOUGLAS 251(1).pdf PDF
QA_6-18-2025_2.pdf PDF
QA_6-18-2025.pdf PDF
Amendment A001.pdf PDF
QA_6-16-2025.pdf PDF
or-a1902511_superelevation_report_SHD.xlsx XLSX spreadsheet
or-a1902511_plans.pdf PDF
Physical Data.zip ZIP file
IFB 69056724B000025_OR FLAP DOUGLAS 251(1).pdf PDF
or-a1902511_control-points.xlsx XLSX spreadsheet
or-a1902511_earthwork.pdf PDF
WFLHD Construction Contract Administration_FY 23 V2.pdf PDF
or-a1902511_Alignments.pdf PDF
or-a1902511_escp.pdf PDF
or-a1902511_XS.pdf PDF
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AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

N/A

PAGE

2. AMENDMENT/MODIFICATION NO. 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE NO. 5. PROJECT NO. (If applicable)

A002 06/18/2025 N/A OR FLAP DOUGLAS 251(1), Oregon Dunes National Recreation Area ‐ Umpqua Dunes Access Improvements

6. ISSUED BY CODE N/A 7. ADMINISTERED BY (If other than Item 6) CODE N/A

Department of Transportation Federal Highway Administration 610 East Fifth Street Vancouver WA 98661-3801

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and Zip Code) 9A. AMENDMENT OF SOLICITATION NO.

X

69056724B000025

9B. DATED (SEE ITEM 11)

05/22/2025

10A. MODIFICATION OF CONTRACT/ORDER NO.

N/A

10B. DATED (SEE ITEM 13)

CODE: N/A FACILITY CODE: N/A

N/A

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

| X | The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

(__ ) is extended, ( x ) is not extended.

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

N/A

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A THIS CHANGE ORDER IS ISSUED PURSUANT TO (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO. IN

ITEM 10A.

N/A

B THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (Such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D OTHER (Specify type of modification and authority)

N/A

E. IMPORTANT: Contractor n/a is not, n/a is required to sign this document and return n/a copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

OR FLAP DOUGLAS 251(1), Oregon Dunes National Recreation Area - Umpqua Dunes Access Improvements

See page 2

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15a. NAME AND TITLE OF SIGNER (Type or print) 15a. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

N/A

15B. CONTRACTOR/OFFEROR 15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 16C. DATE SIGNED

BY_________________________________________ BY N/A___________________________ N/A (Signature of person authorized to sign) (Signature of Contracting Officer)

NSN 7540-01-152-8070

PREVIOUS EDITION NOT USABLE

30-105 STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA

FAR (48 CFR) 53.243

Amendment No. A002; dated 06-18-2025 OR FLAP DOUGLAS 251(1), Solicitation No. 69056724B000025 Oregon Dunes National Recreation Area ‐

Page 2 Umpqua Dunes Access Improvements

REVISIONS ARE AS FOLLOWS:

PLANS

Plan sheet A.1 Revises “Sheet Index”.

Plan sheet F.1 Revises plan sheet.

Plan sheet H.2a-H.2c Adds plan sheets.

ENCLOSURES

Plan Sheets:

A.1

F.1

H.2a through H.2c

PROJECT MANAGER

C. WARREN

R .1

W

R .1

E

R .6

W

R .5

W

R .1

W

R .1

W

T.15 S.

T.16 S.

T.20 S.

T.21 S.

:3

P

M

J u n e

T it le

S h e e t c p w w o r k \d

\o r a g e n .d g n

PROJECT

NUMBER

SHEET

A.1

OR FLAP DOUGLAS 251(1)

FEDERAL HIGHWAY ADMINISTRATION

U. S. DEPARTMENT OF TRANSPORTATION

R

E N

O R

A I

N

N

ST F

R

I

D

D E P A

T

NTOFT A SP

T T

O

U

TE

ATESO

AM

E R

IC

A

M

PLANS FOR PROPOSED PROJECT

"ALI_MAIN_02" LENGTH 0.8 MILES

"ALI_MAIN_01" LENGTH 1.2 MILES

TYPE OF CONSTRUCTION:

DESIGN DESIGNATION:

SPECIFICATION:

on Federal Highway Projects, FP-14

Construction of Roads and Bridges

Standard Specifications for

PLANS PREPARED BY

FEDERAL HIGHWAY ADMINISTRATION

U.S. DEPARTMENT OF TRANSPORTATION

VANCOUVER, WASHINGTON

WESTERN FEDERAL LANDS HIGHWAY DIVISION

APPROVED:

Western Federal Lands Highway Division

Chief of Engineering, DATE e (max)

V

ADT (2044)

ADT (2024)

0.060

30 MPH

2,249

1,843

OR FLAP DOUGLAS 251(1)

ACCESS IMPROVEMENTS

RECREATION AREA - UMPQUA DUNES

OREGON DUNES NATIONAL

OREGON

OUGLAS COUNTYD

OREGON DUNES NATIONAL RECREATION AREA

drainage, and safety improvements.

highway realignment construction, grading, Off-Highway Vehicle (OHV) trail construction, P A

C F

I C

I O

E C

A N

C

OLUMBIA R

IV

ER

S N

A K

E R I V

E R

Lake

Malheur Lake

Harney

Lake

Summer

D E S

C H

U T

E S

R I

V E

R

Lake

Klamath

Upper

Abert

Lake

LAKE N.P.

CRATER

REFUGE

WILDLIFE

NATIONAL

MALHEUR

RANGE

ANTELOPE

NATIONAL

HART MT.

20 20

395197

Ashland

Roseburg

EUGENE

Bend

Corvallis

Newport

SALEM

PORTLAND

Astoria

Pendleton

La Grande

Ontario

Burns

Falls

Klamath

Bend

North

City

Baker

Dalles

The

WASHINGTON

I D

A H

O

NEVADACALIFORNIA

OREGON KEY MAP

Grants Pass

MEDFORD

N

010 10 3020

Scale in miles

LOCATION

PROJECT

EUGENE

SPRINGFIELD

FLORENCE

Lake

Ridge

Fenn

Lake

Dorena

REEDSPORT

WINCHESTER BAY

ELKTON

COTTAGE GROVE

PACIFIC

JUNCTION CITY

SIUSLAW

NATIONAL

FOREST

See Sheet A.3

OCEAN

CLASS A STEEL POSTS (DOUBLE-SIDED)

GUARDRAIL SYSTEM MGS, TYPE 2,

Revised by Amendment A001

H.2c

H.2a, H.2b, Revised by Amendment A002

10.4 x 16 20301 -1400

20310 -1000

Station

ES

TI

M A

TE

D M

A X

IM

U M

C O

V

ER

S

TR

U C

TU

R A L

EX

C A V A

TI

O N

R

EM

O V A L

O F

IN

LE

T

PL

U

G

EX

IS

TI

N

G P

IP

E

S K

EW

A N

G

LE

A llo w ab le P ip e

M at er ia l (S ee k ey b el ow

B

EV

EL

S

1V :n

H

B

EV

EL

S

1V :n

H

REMARKS

See below for numbered notes

FEET CUYD EACH EACH Lt Rt 67+06 --- --- --- 1 N/A N/A --- ---

12" existing pipe69+31 --- --- 1 1 N/A N/A --- ---

PROJECT TOTAL 0 1 2

Allowable Pipe Material

NOTE: A Aluminum

1. Steel pipe culvert minimum wall thickness is the larger of ____" or the thickness 4. Plastic pipe is not allowed when final installation is exposed. Furnish metal end sections for AS Aluminized steel required by the Std. 602-1 fill height table. all plastic pipe including those specified with bevels. See Std. 602-5 for acceptable cell class. C Concrete

2. Aluminized steel pipe culvert minimum wall thickness is the larger of ____" or the 5. See Std. 602-7 for acceptable concrete cell class. RC Reinforced Concrete thickness required by the Std. 602-1 fill height table (steel). 6. Structural excavation quantity based on material excavated inside the vertical planes located P Plastic

3. Aluminum pipe culvert minimum wall thickness is the larger of ____" or the 18 inches outside and parallel to the limits of footings or foundations. (blank) Any appropriate material thickness required by the Std. 602-1 fill height table. x/__ Any appropriate material except __

PAY ITEM NUMBER

TABULATION OF DRAINAGE QUANTITIES

c:

\p w

-w or k\ d0 or -a

1_

D ra in _T ab s.

xl sx

]S he et

-J un

-2

9:

A

M K Pa rk er

1/

M

M ad ar

1/

D es ig ne d by

C he ck ed b y:

PROJECT

F.1

SHEET

NUMBER

OR FLAP DOUGLAS 251(1)

Note: The quantities shown hereon are approximate and are subject to field adjustments.

12" existing pipe joshua.christopher Polygon joshua.christopher Stamp joshua.christopher Stamp

2 Revised by Amendment A002

NOTES

Field fit the 1' flare according to the CO.2.

according to the manufacturer's recommendations.

end farther from the edge of shoulder, or use a taper

Install terminal at a 1:25 taper or flatter to position the1.

2-SPACE W-BEAM GUARDRAIL

:4

J u n e

G

U A

R D

R A

IL

S

Y S

T E

M M

G S

T Y

P E

C

L A

S S

A S

T E

E L

P O

S T

S

D O

U B

L E

-S

ID

E D p w w o r k \d

\o r a s a f e ty

.d g n

(DOUBLE-SIDED)

TYPE 2 CLASS A STEEL POSTS

GUARDRAIL SYSTEM MGS

PROJECT

H.2a

MEDIAN BARRIER

WEAK-POST W-BEAM

POST & WELDED SOIL PLATE

WEAK POST GUARDRAIL

:4

J u n e

G

U A

R D

R A

IL

S

Y S

T E

M M

G S

T Y

P E

C

L A

S S

A S

T E

E L

P O

S T

S

D O

U B

L E

-S

ID

E D

(S

H E

E T

O

F p w w o r k \d

\o r a s a f e ty

.d g n

(DOUBLE-SIDED)

TYPE 2 CLASS A STEEL POSTS

GUARDRAIL SYSTEM MGS

PROJECT

H.2b

SQUARE GUARDRAIL WASHER

CLASS 4.6 HEX BOLT & NUT

GUARDRAIL BOLT AND RECESSED NUT

:4

J u n e

G

U A

R D

R A

IL

D

E T

A

IL

S

S H

E E

T

O F p w w o r k \d

\o r a s a f e ty

.d g n

(DOUBLE-SIDED)

TYPE 2 CLASS A STEEL POSTS

GUARDRAIL SYSTEM MGS

PROJECT

H.2c

A002 - or-a1902511_Drain_Tabs.pdf
Sheet

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