Project Information

Bid Title

DC00504_SCOTTS HILL SUPER STREET

Issuing Agency

Division of Highways

Location

North Carolina

Published Date

May 13, 2026

Closing Date

May 21, 2026

Government Level

State & Local

Status

Closed

Original Source

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Project Description

DC00504_SCOTTS HILL SUPER STREET

POC

DC00504_SCOTTS HILL SUPER STREET

• 50524_GEO_RDWY_REC.pdf
  Doc. Type:
  Letting Support Files
  Description: DC00504_SCOTTS HILL SUPER STREET POC

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JOSH STEIN

GOVERNOR

STATE OF NORTH CAROLINA

DEPARTMENT OF TRANSPORTATION

January 14, 2025

J.R. “JOEY” HOPKINS

SECRETARY

MEMORANDUM TO:

Trevor Carroll, P.E.

Division Engineer

ATTENTION:

Katie Hite, P.E.

Division Project Development Engineer

FROM:

Tom Santee, P.E.

Assistant State Geotechnical Engineer – Eastern Region

STATE PROJECT:

F.A. PROJECT:

COUNTY:

50524

N/A

Pender

DESCRIPTION:

US 17N from Sidbury Rd to Scotts Hill Loop Rd

SUBJECT:

Geotechnical Report - Design and Construction Recommendations

The Geotechnical Engineering Unit (GEU) has completed a review of previous subsurface

investigations that overlap with the current project. Subsurface data from WBS projects 34425.1.1

and 3.107111 indicates the soils along this project are sandy in nature and the ground water is 6 feet

or more below natural ground. The geotechnical recommendations are presented as follows.

I. Slope/Embankment Stability

A. Slope/Embankment Stability

Recommend all roadway slopes be constructed no steeper than 3:1 (H:V).

B. Undercut for Embankment Stability

Recommend 50 cubic yards of Undercut Excavation for embankment stability be included in

the contract as a contingency item to be used at the direction of the Engineer.

C. Geotextile for Soil Stabilization

Include 50 square yards of Geotextile for Soil Stabilization in the contract as a contingency

item to be used at the discretion of the Engineer.

Mailing Address:

NC DEPARTMENT OF TRANSPORTATION

GEOTECHNICAL ENGINEERING UNIT –

EASTERN REGIONAL OFFICE

1570 MAIL SERVICE CENTER

RALEIGH, NC 27699-1570

Telephone: (984) 920-8900

Customer Service: 1-877-368-4968

Website: www.ncdot.gov

Location:

3301 JONES SAUSAGE RD. SUITE 100

GARNER, NC 27529

50524

Page 2 of 4

II. Subgrade Stability

A. Undercut for Subgrade Stability

Include 50 cubic yards of Undercut Excavation in the contract as a contingency item to be

used at the discretion of the Engineer.

B. Special Ditches

Special ditches are not recommended for this project.

C. Subsurface Drainage - Subsurface Drain

Recommend 50 linear feet of 6” Perforated Subdrain Pipe for subsurface drain (Roadway

Standard Drawing 815.02) be included in the contract as a contingency item to be used at the

discretion of the Engineer.

D. Geotextile for Soil Stabilization

Recommend 50 square yards of Geotextile for Soil Stabilization be included in the contract as

a contingency item to be used in Section II A.

III. Borrow Specifications

A. Borrow Criteria

Common borrow for embankment construction to subgrade shall meet the Exceptions to

Statewide Criteria for Acceptance of Borrow Material, Article 1018-2(B).

B. Select Granular Material

Recommend 100 cubic yards of Select Granular Material be included in the contract for

backfill as a contingency item for Section I. B. and II. A.

Select granular material for embankment/backfill for geotextile for soil stabilization if

required, or backfill in water shall meet the criteria outlined in the Standard Specifications,

Article 1016-3, Class II and/or III.

C. Shrinkage Factor

A shrinkage factor of 25 percent is recommended for calculation of earthwork on this project.

D. Borrow Reconnaissance and Availability

Sandy soils with good to excellent engineering properties are available in nearby areas.

50524

Page 3 of 4

IV. Miscellaneous

A. Reduction of Unclassified Excavation - Loss Due to Clearing and Grubbing

No significant loss of unclassified excavation is anticipated due to clearing and grubbing.

B. Reduction of Unsuitable Unclassified Excavation - Unsuitable Waste

Based on the current roadway plans, unclassified excavation along this project will be

primarily derived from shallow subgrade cuts and ditch excavation. These areas contain

granular soils which are suitable for subgrade construction.

Prepared By:

Prepared By:

032171

01/14/2025

Jinyoung Park, P.E.

Regional Geotechnical Design Engineer

TGS/JYP/TCB

See Page 4 for Summary of Quantities

01/14/2025

Tyler C. Bottoms, L.G.

Project Geological Engineer

WBS Number: 50524

County: PENDER

TIP Number: N/A

Field Office / PEF: GREENVILLE

Description: US 17N FROM SIDBURY RD TO SCOTTS HILL LOOP ROAD

Project Engineer: J. PARK

Project Geologist: T.C. BOTTOMS

Pay Item

No.

0036000000-E

0036000000-E

Pay Item/

Quantity Adjustment

Undercut Excavation

Undercut Excavation

0195000000-E

Select Granular Material

0196000000-E Geotextile for Soil Stabilization

0196000000-E Geotextile for Soil Stabilization

2044000000-E 6" Perforated Subdrain Pipe

Spec Book Section No. or

Special Provision (SP) Reference

Report

Section

Alignment

Begin

Station

End

Station

Quantity

Units /

%

225 - Roadway Excavation

I. B Contingency N/A

N/A

50

CY

225 - Roadway Excavation

II. A Contingency N/A

N/A

50

CY

Total Quantity of Undercut Excavation = 100 CY

265 - Select Granular Material

III. B Contingency N/A

N/A

100

CY

Total Quantity of Select Granular Material = 100 CY

270 - Geotextile for Soil Stabilization I. C Contingency N/A

N/A

50

SY

270 - Geotextile for Soil Stabilization II. D Contingency N/A

N/A

50

SY

Total Quantity of Geotextile for Soil Stabilization = 100

SY

815 - Subsurface Drainage

II. C Contingency N/A

N/A

50

LF

Total Quantity of 6" Perforated Subdrain Pipe = 50

LF

N/A

Shrinkage Factor

These Items Only Impact Earthwork Totals

235 - Embankments

III. C

N/A

N/A

N/A

25

%

Page 4

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