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​The Materials and Tests Unit has the responsibility of establishing acceptance criteria for materials and manufactured products to be incorporated into the North Carolina highway system and insuring that these materials and manufactured products meet these criteria and will function as intended.

Activities of the Materials and Tests Unit include providing appropriate state and national materials specifications and standards, managing QC/QA programs, providing testing services to support preconstruction, construction and maintenance activities, providing training and certification services, evaluating new technologies and products, providing quality evaluations at production sites, providing material certification to FHWA for federally funded projects, certifying material and product quality for projects and the Independent Assurance system.

Our laboratories are accredited through AASHTO. The laboratory has established a quality management system which meets the requirements specified in AASHTO R 18.

The Unit is broken into several Groups and explained in more detail throughout this manual: 


​​​​ADMINISTRATIVE GROUP

​​​​ASPHALT MATERIALS AND SERVICES GROUP

​​​​GEOMATERIALS AND SERVICES GROUP

​​​​STRUCTURAL MATERIALS AND SERVICES GROUP

​​​​FIELD OPERATIONS GROUP

​​​​RESEARCH AND INVESTIGATIONS

​​​​QUALITY SYSTEMS (COMPLIANCE)

​​​​STOCKROOM

OverviewMM-00-01Approved
  

Christopher A. Peoples, P.E. 
State Materials Engineer
cpeoples@ncdot.gov

Todd W. Whittington, P.E.
State Field Operations Manager
twhittington@ncdot.gov

Brian J. Hunter, P.E.
State Laboratory Operations Manager
bhunter@ncdot.gov

Mehdi Haeri
Central Laboratory Manager
mhaeri@ncdot.gov

David Dunn
Regional Laboratory Manager
ddunn@ncdot.gov

Linda Jones
Administrative Assistant
lfjones@ncdot.gov

​(919) 329-4000

 

Key Staff MembersMM-00-02Approved
  

​The Asphalt Laboratory of the Materials and Tests Unit has the responsibility of the design and approval of asphalt mixes for contract projects and maintenance; testing and approval of the materials used in asphalt mixes; testing and approval of mineral fillers, asphalt truck release agents and various asphalt additives; aiding in the development of specifications, test procedure manuals and training programs; participating in research as needed by the North Carolina Department of Transportation; running support tests for field projects; and performing Independent Assurance tests on all federally funded paving projects.


SERVICE GROUP LINKS
 
ASPHALT MATERIAL LINKS
 

OverviewMM-01-01Approved
  

Charles Colgate
Asphalt Materials Laboratory Engineer 
crcolgate@ncdot.gov

Vacant
Quality Asphalt Engineer

Vacant
Asphalt Materials Analysis Engineer

Vacant
Assessment Engineer

​(919) 329-4060
Key Staff MembersMM-01-02Approved
  
 
 

AGGREGATES FOR ASPHALT  
             
​Materials Type ​Material

Responsible Party

Standard ​Asphalt Lab Test Method Specification Reference

Aggregate, Coarse

Coarse Aggregate

Testing Technicians

​AASHTO T11
AASHTO T27
AASHTO T85
AASHTO T112
AASHTO T327
ASTM D4791
ASTM D5821
​AASHTO T11
AASHTO T27
AASHTO T85
AASHTO T112
AASHTO T327
ASTM D4791
ASTM D5821

1005, 1012, and

QMS Manual

Aggregate, Fine – Asphalt

​Sand / Screenings

Testing Technicians

​AASHTO T11
AASHTO T27
AASHTO T84
AASHTO T112
AASHTO T176
AASHTO T304
AASHTO T327
​AASHTO T11
AASHTO T27
AASHTO T84
AASHTO T112
AASHTO T176
AASHTO T304
AASHTO T327

1005, 1012, and

QMS Manual


ASPHALT PAVEMENTS
 
​Materials Type ​Material Responsible Party Standard Asphalt Lab Test Method Specification Reference
​Asphalt Bases & Pavements​Asphalt Concrete Surface CourseTesting Technicians​AASHTO T30
AASHTO T166
AASHTO T209
AASHTO T283
AASHTO T305
AASHTO T308
AASHTO T312
ASTM D6752
ASTM D685​
Various as Modified by the Department:
AASHTO T30
AASHTO T166
AASHTO T209
AASHTO T283
AASHTO T305
AASHTO T308
AASHTO T312
ASTM D6752
ASTM D6857​
609, 610, 650, 652, 661
Asphalt Concrete Intermediate Course​
​Asphalt Concrete Base Course
​Asphalt Drainage Course
​Micro-Surfacing
​Open-Graded Asphalt Friction Course
Slurry Seal
Ultrathin Hot Mix Asphalt​
​Asphalt, Recycled Materials​Recycled Asphalt Pavement (RAP)​Testing TechniciansAASHTO T30   AASHTO T308As Modified
by the Department:
AASHTO T30

AASHTO T308

and
​Recycled Asphalt Shingles (RAS)

ASPHALT BINDERS
 

 Materials Type

Material​ Responsible Party​ Standard​ ​Asphalt Lab Test Method​ Specification Reference​
Asphalt Binder

​PG Grades(Various) 58-22

64-22

70-22

76-22

​Asphalt Sub-Section​AASHTO M320​None​​1020-2

ASPHALT EMULSIONS
 
​​Materials Type​ ​Material​ Responsible Party​​Standard​​Asphalt Lab Test Method​ Specification Reference​
​Asphalt Culvert CompoundBituminous Pipe Coating​Emulsion Technician​AASHTO M190​None ​1032
​Asphalt Emulsified​Emulsified Asphalt, Alphabond​Emulsion Technician​None​None​​1020-3
​Asphalt Emulsified
​Emulsified Asphalt,
CMS-6
​Emulsion Technician​AASHTO M208​None​​1020-3
​Asphalt Emulsified
​Emulsified Asphalt,
CMS-PX
​Emulsion Technician​AASHTO M208​None​​1020-3
​Asphalt Emulsified
​Emulsified Asphalt,
CQS-1H
​Emulsion Technician​AASHTO M208​None​​1020-3
​Asphalt Emulsified
​Emulsified Asphalt,
CQS-1HLM
​Emulsion Technician​AASHTO M208​None​​1020-3
​Asphalt Emulsified
​Emulsified Asphalt,
CRS-1
​Emulsion Technician​AASHTO M208​None​​1020-3
​Asphalt Emulsified
​Emulsified Asphalt,
CRS-1H
​Emulsion Technician​AASHTO M208​None​​1020-3
​Asphalt Emulsified​Emulsified Asphalt,​CRS-2​Emulsion Technician​AASHTO M208​​None1020-3
​Asphalt Emulsified​Emulsified Asphalt,​ CRS-2L​Emulsion Technician​AASHTO M208​​None1020-3
​Asphalt Emulsified​Emulsified Asphalt,​ CRS-2P​Emulsion Technician​AASHTO M208​None​1020-3
​Asphalt Emulsified​Emulsified Asphalt,​ CSS-1H​Emulsion Technician​AASHTO M208​​None1020-3
​Asphalt Emulsified​Emulsified Asphalt,​CSS-1RP​Emulsion Technician​AASHTO M208​​None1020-3
​Asphalt Emulsified​Emulsified Asphalt,​EAP​Emulsion Technician​None​​None1020-3
​Asphalt Emulsified​Emulsified Asphalt,​HFMS-1​Emulsion Technician​None​​None1020-3
​Asphalt Emulsified​Emulsified Asphalt,​HFMS-2​Emulsion Technician​None​​None1020-3
​Asphalt Emulsified​Emulsified Asphalt,​HFMS-2H​Emulsion Technician​None​​None1020-3
​Asphalt Emulsified
​Emulsified Asphalt,​
Non-Tracking
​Emulsion Technician​None​​None1020-3
​Asphalt Emulsified
​Emulsified Asphalt,​
PEP
​Emulsion Technician​None​​None1020-3
​Asphalt Emulsified
​Emulsified Asphalt,​
PMEM
​Emulsion Technician​None​​None1020-3
​Asphalt Emulsified
​Emulsified Asphalt,
​RS-1
​Emulsion Technician​AASHTO M140​​None1020-3
​Asphalt Emulsified
​Emulsified Asphalt,​
RS-1H
​Emulsion Technician​AASHTO M140​​None1020-3
​Asphalt Emulsified
​Emulsified Asphalt,​
RS-2
​Emulsion Technician​AASHTO M140​​None1020-3
​Asphalt Emulsified
​Emulsified Asphalt,​
SS-1
​Emulsion Technician​AASHTO M140​​None1020-3

ASPHALT PRIME COATS
 
Materials Type​ Material​ Responsible Party​ ​Standard​ ​​​Asphalt Lab Test Method​ Specification Reference​
​​Asphalt, Prime Coat​Prime Coat (Various) ​Emulsion Technician​AASHTO M208​None1020-5

Lab Testing ServicesMM-01-04Approved
  

The GeoMaterials Laboratory has the responsibility of testing and providing data for natural, manufactured and recycled soil and aggregate products, establishing acceptance criteria, and ensuring that the acceptance criteria are met and will function as intended. Extensive assessment and training programs are provided for NCDOT employees and private industry personnel.


SERVICE GROUP LINKS
 

AGGREGATE MATERIAL LINKS
 

OverviewMM-02-01Approved
  

"C.K." Su, PE
GeoMaterials Laboratory Engineer
cksu@ncdot.gov

Vacant
GeoMaterials Training Engineer

​(919) 329-4150
Key Staff MembersMM-02-02Approved
  
 
 

COARSE AGGREGATE
   
​Material ​Material Type Responsible Party Standard GeoMaterials Lab Test Method Specification Reference
​Coarse AggregateAggregate Base Course ​Testing Technicians
​AASHTO T11
AASHTO T27
AASHTO T87
AASHTO T89
AASHTO T90
AASHTO T265
AASHTO T307
​AASHTO T87
AASHTO T89
AASHTO T90
AASHTO T180 (NCDOT Modified)
1010
​Coarse AggregateAggregate for Cement Treated Base​Testing Technicians
​AASHTO T11
AASHTO T27
AASHTO T87
AASHTO T89
AASHTO T90
AASHTO T265
​AASHTO T87
AASHTO T89
AASHTO T90
AASHTO T180 (NCDOT Modified)
​1010

SELECT MATERIALS
 
​MaterialMaterial Type Responsible PartyStandard GeoMaterials Lab Test Method Specification Reference
​​Select Materials​Soils, fine or coarse aggregates​Testing Technicians
​​AASHTO T11
AASHTO T27
AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90
AASHTO T265
AASHTO M145
​AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90 (NCDOT Modified)
​​1016

BORROW MATERIALS
 
MaterialMaterial Type Responsible PartyStandard GeoMaterials Lab Test Method Specification Reference
​Borrow Materials​Soils​​Testing Technicians​
​AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90
AASHTO T100
AASHTO T265
AASHTO T267
AASHTO T289
AASHTO M145
​AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90
(NCDOT Modified)
1018
​Borrow MaterialsAggregates​​Testing Technicians
​AASHTO T11
AASHTO T27
AASHTO T87
AASHTO T89
AASHTO T90
AASHTO T265​
​​AASHTO T87
AASHTO T89
AASHTO T90 (NCDOT Modified)
1019

SOILS
 
Material Material Type Responsible PartyStandard GeoMaterials Lab Test Method Specification Reference
​​SoilsUndisturbed Soils​Soil Mechanics Engineer
​​AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90
AASHTO T100
AASHTO T267
AASHTO T289
AASHTO T208
AASHTO T215
AASHTO T216
AASHTO T265
AASHTO T267
AASHTO T296
AASHTO T297
AASHTO T307
AASHTO M145
ASTM D5084
ASTM D7181
​AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90
(NCDOT Modified)
​N/A
​​Soils​Disturbed Soils​​Testing Technicians
​​AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90
AASHTO T99
AASHTO T100
AASHTO T134
AASHTO T193
AASHTO T215
AASHTO T265
AASHTO T296
AASHTO T297
AASHTO T307
AASHTO M145
ASTM D1633
ASTM D5084
​​AASHTO T87
AASHTO T88
AASHTO T89
AASHTO T90
(NCDOT Modified)
​N/A

Lab Testing ServicesMM-02-04Approved
  

The Materials and Tests Unit's Structural Materials and Services Group strives to provide quality services to the Department of Transportation, other state agencies, municipalities and producers/suppliers that conduct business with the state of North Carolina in the areas of testing (chemical, environmental, and physical), inspection (including coatings, corrosion , and others), specifications, technical expertise, innovation and research. These functions ensure that the highest quality materials and products as well as installation and application techniques are used in the construction of North Carolina's roads and structures.

The group is divided into the Structural Materials Laboratory Section and the Structural Material Services Section. Each of these Sections are further divided into sub-sections.

Structural Materials Laboratory Section

The Physical Testing Sub-section is responsible for determining and evaluating the physical quality of various materials used on the State Highway System. The Sub-section receives samples for testing from field inspectors, contractors, manufacturers and producers. The Sub-section also reviews and assigns all concrete mix designs used throughout the State in structures and pavement.

The Chemistry Testing Sub-section is responsible for determining and evaluating the Chemistry of various materials used on the State Highway System. The Sub-section receives samples for testing from field inspectors, contractors, manufacturers, producers, and other labs within the Unit. 

Structural Materials Services Section

The Structural Materials Services Section is divided into two subsections – Metals and Prestressed Concrete. Personnel from these subsections travel to various fabrication and production plants, both in North Carolina and throughout the Eastern U.S.

The Metals Subsection is responsible for the shop inspection of structural steel, epoxy coated rebar, metal bridge rails and joints, and gray iron castings. This subsection is also responsible for the qualification of welding operators and welding electrodes and advises the Resident Engineer’s personnel on welding issues that arise on the project. In addition, the Metals Subsection is responsible for inspecting the fabrication of signs, sign supports, and high mast standards. The Sign Inspectors also perform both daytime and nighttime inspections of these items with the Resident Engineer’s inspectors once they are installed on the project.

The Prestressed Concrete Subsection is responsible for the plant inspection of all prestressed concrete products used by the Department. Prestressed Concrete Inspectors perform 100% inspection of the production process – from tensioning, and set up of the beds to de-tensioning and final approval of the completed product.


SERVICE GROUP LINKS
 

CONCRETE MATERIAL LINKS


STEEL MATERIAL LINKS



OverviewMM-03-01Approved
  

Sharon Freeman
Structural Materials Laboratory Engineer
sdfreeman@ncdot.gov
(919) 329-4121

Ben Chola
Concrete Mix Design Engineer
bchola@ncdot.gov
(919) 329-4123


Key Staff MembersMM-03-02Approved
  
        
 

AGGREG​ATES
 

​Material

Typical Turnaround (Business Days) Standard Lab Test Method Specification Reference
​AASHTO ASTM

​Coarse: #5,57,57M,

67,78M,8,9

​14

T27, T112, T85, T96, T104, T19, T11, T248

C136 C142 
C127 C131 C29 
C117 
C702 C566

None 1005-1
Fine: 2MS, 2S, 4S 14 ​T27, T112, T84,  T104, T19,  T21,
T11,  T248
​C136 C142 
C128  C87 
C40 
C29  C117 
C702 C566
​None None​
​#78-M Stone for Electro-chemical 5 None None ​MT-C-ELEC

​NCDOT Geotechnical Engineering Unit:MSE Retaining Walls Provision (LRFD)


BOLTING MATERIAL
 
Material Typical Turnaround (Business Days) ​​​Stan​dard ​​​​Lab Test  Method Specification Reference
AASHTO ​ASTM
​Bolts, Anchor ​14 M232
​A307 
grade A
A449
None 1072-4
​Bolts, High Strength 14 ​None

A325

None 1072-5
Bolts, High Strength with Nut and Washer​ 14 None
A325
A194
A563
F436
​None 1072-5
​Nuts ​​14 ​None

​A194
A563​
​None 1072-5
​Washers ​​14 None F436​ ​None 1072-5
Direct Tension Indicators 7​ None​ A325
B695​
None 1072-5

CEMENT  
 
Material Typical Turnaround (Business Days) ​​​Stan​dard ​​​​Lab Test  Method Specification Reference
AASHTO ​ASTM
Cement, Portland, Type XX​ 14​
M85
T105
C150
C114
C-XRF-10.1
C-XRF-1000.1
1024-1
​Cement, Portland – For Masonry ​14​ None​ C91​
C-XRF-10.1
C-XRF-1000.1
1040-5​
​Cement, Portland for Stabilization 14
M85
T105  
C150
C114​
C-XRF-10.1
C-XRF-1000.1
542-2
​Cement, Portland, for Chemistry 7
M85
T105
C150
C114
C-XRF-10.1
C-XRF-1000.1
​Hydraulic Cement Acceptance Program

CHEMISTRY OTHER
  
Material Typical Turnaround (Business Days) Standard Lab Test Method Specification Reference
AASHTO ASTM
Chemical Lab Cable Guiderail 14 M30 Type 1, class A None None 1046-7
Chemical Lab Chloride Content
7
T260 None
C-4.0
XRF-1100
None
Chemical Lab Concrete Core 14 None C-1084
M/T C-12.5
C-XRF-1000.2
None
Chemical Lab Grout Mix 14 None None
C-XRF-20.1
C-XRF-20.2
None
Chemical Lab Loop/Lead in Cable 14 None D1248 None 1098-8
Chemical Lab Messenger Cable 14 None A90 Procedures for Determining the Amount of Zinc on Extra High Tensile Strength Steel Messenger Wire 1098-3
Chemical Lab Metal Composition 14 Varies None
C-XRF-30.1
C-XRF-3000.1
Varies
Chemical Lab neoprene 5 M251 None None 1079-2
Chemistry, Other Varies Varies Varies Varies Varies

CONCRETE
  
Material Typical Turnaround (Business Days) Standard Lab Test Method Specification Reference
AASHTO ASTM
Concrete Cylinders for Corrosion Inhibitors 7 None None C-20.1 1000-4(K)

Concrete Cylinders for Compression:

Class AA, AA Slip Form, Drilled Pier, A, B, B Slip Formed, Pavement

28 T22
T23
C617
C1231
C39
None Table 1000-1
Concrete Cylinders for Compression: Precast 28 T22
T23
C617
C1231
C39
None Table 1077-1
Concrete Cylinders for Compression: Prestress 28 T22
T23
C617
C1231
C39
None Table 1078-1
Concrete Cylinders for Compression, Latex Modified 7 T22
T119
T152
C617
C1231
C39
None
PSP004 Latex Modified Concrete-Very Early Strength
PSP003 Latex Modified Concrete
Concrete Cores for Absorption 7 None None None None
Concrete Cores for Strength 5 None C39
C42
None None
Shotcrete 28 None C39
C1140
C1604
None None
Elastomeric Concrete 14 None None None PSP005 Elastomeric Concrete

FENCING MATERIALS
 
Material Typical Turnaround (Business Days) ​​​Stan​dard ​​​​Lab Test  Method Specification Reference
AASHTO ​ASTM
​Metal Gate Posts for Chain Link Fence, Double Gate 7
M181
M232
F626
F1043
​None 1050-3
​Metal Gate Posts for Chain Link Fence, Single Gate ​7
M181
M232
F626
F1043
None 1050-3
​Metal Line Posts for Chain Link Fence 7
M181
M232
F626
F1043
​​None 1050-3
​Metal Terminal Posts (“Corner Posts”) for Chain Link Fence 7
M181
M232
F626
F1043
​​None 1050-3
​Brace Wire ​​​7 ​None A641 ​None 1050-5​
​Female Strap Hinge 7 ​M181 None None ​Table 2, Section 1050
​Fencing Hardware 7 ​M​232 ​None None 1050-7
​Male Strap Hinge 7 M181 None ​​None ​Table 2, Section 1050
​Tension Wire ​​​​7
M181
B211
​​None ​1050-7
​Top Brace Post ​​​​7 None F626 None 1050-3
​Chain Link Fence, xx in. Fabric 7
M181
F934

None

1050-6

​Safety Fencing ​​​​​7 M181

 
F934 ​​None 1050-6
​Vinyl Coated Chain Link Fence, Fabric ​​​​​7 M181                        F934 None 1050-6
​Woven Wire Fence ​​​​​7 M279 A116 ​​None 1050-5
​Barbed Wire ​​​​​7 None A121 None 1050-4
Galvanized fastener Inspection – Bolts, Hexnuts, washers ​​​​​7
M181
M232
None​ ​None 1050-7

GRATES, GUARDRAIL, GUIDERAIL
 
Material Typical Turnaround (Business Days) ​​​Stan​dard ​​​​Lab Test  Method Specification Reference
AASHTO ​ASTM
​​Steel Frame with XX Grates ​7
M306
None
C-XRF-30.1
C-XRF-3000.1
1074-7
Bridge Anchor Plates
7 ​​None A36
C-XRF-30.1
C-XRF-3000.1
1046-5
Guardrail, Steel Beam 7 M180 None
C-XRF-30.1
C-XRF-3000.1
1046-2
​Post, Guardrail, Steel 7 None A36 None 1046-3
Guiderail, Cable
Cable for Cable Guiderail
7 None A30 type 1, class A None ​1046-7

JOINT FILLER, LATEX
 
Material Typical Turnaround (Business Days) ​Standard ​​  ​​​Lab Test Method Specification Reference
AASHTO ​ASTM
​Joint Filler, Bituminous Fiber 7
M213
T42
MIL-C-882E
None ​M-1
MIL-C-882E
1028-1
​Latex, Liquid ​1
​None
D1475
D2369
​C-LM-DPS-A ​1000-7

METALS
 
Mate​rial Typical Turnaround (Business Days) Standard Lab Test Method Specification Reference
AASHTO ASTM
​​Light Standard, High Mount 14
None
None
C-XRF-30.1
C-XRF-3000.1
​1401
​Metal Alloy – For Chemistry 14 Various Various
C-XRF-30.1
C-XRF-3000.1
​Various
​Metal Rail, XX Bar 14
None
A36
A123
C-XRF-30.1
C-XRF-3000.1
1074-5
Clamp Bars​
14
​None
A36
A123
C-XRF-30.1
C-XRF-3000.1
​​1074-5
​Aluminized Corrugated Steel Pipe Culvert, xx Gage, xx in thick, xx in 14 M36 None
C-XRF-30.1
C-XRF-3000.1
1044-5
Reinforcing Steel, (Plain Epoxy Coated) Reinforcing Steel Bar Supports 14 None​ None​
None​
None
Sheet Steel, Aluminum
14 M196 None​
C-XRF-30.1
C-XRF-3000.1
1032
​Sheet Steel, Aluminum Coated 14 M36
M274
None​
C-XRF-30.1
C-XRF-3000.1
​1032
​Sheet Steel, Plain for Guardrail - xx gage ​14 M36 ​None
C-XRF-30.1
C-XRF-3000.1
1046
​Sheet Steel, Zinc Coated ​14 M36 ​None
C-XRF-30.1
C-XRF-3000.1
​1032
​Sheet Steel, Zinc Coated for Metal Pipe - xx Gage 14 ​M36 ​None
C-XRF-30.1
C-XRF-3000.1
1032
​Overhead Sign Assembly, Steel 14 None ​B695,
Class 55
C-XRF-30.1
C-XRF-3000.1
1096
​Structural Steel 14 ​Various ​Various
C-XRF-30.1
C-XRF-3000.1
1072
​Aluminum Structural Base Plate ​14 None None
C-XRF-30.1
C-XRF-3000.1
​SP
PAINT
  
Material
Typical Turnaround (Business Days) ​​Standard Lab Test Method Specification Reference
AASHTO​ ASTM​
Painting Structural Steel
14 Various Various
Various 1080

HDPE PIPE
  
Material
Typical Turnaround (Business Days) ​​Standard Lab Test Method Specification Reference
AASHTO​ ASTM​
HDPE Plastic Pipe 14 M285
M294
​D3350
D1505
D1238
None
 
 

POZZOLANS
  
Material
Typical Turnaround (Business Days) ​​Standard Lab Test Method Specification Reference
AASHTO​ ASTM​

Fly Ash

14​ None C618 ​C-10.0 to 10.4
XRF-4000.1
1024-5
​Ground Granulated Blast Furnace Slag 14 ​M 302
Grade 100
​None C-10.0 to 10.4
XRF-4000.1​​
​1024-6
​Silica Fume ​14 ​None ​C1240 Tables 1, 2 and 3 None 1024-7​

LIMESTONE
 
Material Typical Turnaround (Business Days) ​​​Stan​dard ​​​​Lab Test  Method Specification Reference
AASHTO ​ASTM
Subgrade Stabilizer, Chemical
Hydrated Lime
7 None C977​
C-XRF-20.1
C-XRF-2010.1
1052-3
Subgrade Stabilizer, Chemical
Quicklime
7 ​None C977​
C-XRF-20.1
C-XRF-2010.1
​​1052-3

WATER
 
Material Typical Turnaround (Business Days) ​​​Stan​dard ​​​​Lab Test  Method Specification Reference
AASHTO ​ASTM
Water – For Miscellaneous Use 7
T26
D512
D1125
D516
​W-15.5
Standard  Methods for Examination of Water and Wastewater
1024-4
​Water for Concrete ​14
T26
 
 
D512
D1125
D516
​​W-15.5
Standard  Methods for Examination of Water and Wastewater
1024-4

ZINC
 
Material Typical Turnaround (Business Days) ​​​Stan​dard ​​​​Lab Test  Method Specification Reference
AASHTO ​ASTM
​Zinc 7 ​M120 None​
C-XRF-30.1
C-XRF-3000.1​
​1076
​Zinc Coating Check – Hardware ​7 M111 None ​None
1076

Lab Testing ServicesMM-03-04Approved
  

The Field Operations area is responsible for sampling and testing the various materials used in the construction and maintenance of our highway system and for conducting Technician Assessments. In order to accomplish this tremendous task, this section is divided into four geographical regions.   Each region is managed by an Area Materials Engineer and consists of three to four Sections that each correspond to a NCDOT Division.  Each section is comprised of a Section Materials Specialist and one or two Materials Technicians.

Each section has the responsibility of inspecting materials produced at all the quarries, sand pits, ready-mixed concrete plants, corrugated metal pipe plants, corrugated plastic pipe plants, concrete pipe plants, precast concrete plants, seed companies, and other specialty plants and manufacturers in their area. Additionally, these inspectors travel to various production facilities throughout the eastern and mid-western United States. 

The Field Operations area is also responsible for conducting Concrete Technician Certification classes throughout the State.​


SERVICE GROUP LINKS
 

AGGREGATE MATERIAL LINKS
 
CONCRETE MATERIAL LINKS
 
OverviewMM-04-01Approved
  

Jim Sawyer, PE
Field Services Engineer
jasawyer@ncdot.gov
(919) 329-4200  

Darrell E. Lumley
Area Materials Engineer Div. 1, 2, 4, 5, 7,9,11
dlumley@ncdot.gov
(919) 329-4101 

Pamela D. Carriker
Area Materials Engineer Div. 3, 6, 8,10,12,13,14
pcarriker@ncdot.gov
(704) 636-3367

W. Cabell Garbee, II, PE
Manufactured Products Engineer
cgarbee@ncdot.gov
(919) 329-4200  

Randy Porter
Metals Engineer
srporter@ncdot.gov
(919) 329-4202

Vacant
Structural Members Engineer
(336) 318-4035


Key Staff MembersMM-04-02Approved
  

​The Data Collection and Investigations Section is a component of the Field Operations Sub-Unit of the Materials and Tests Unit.  It is responsible for performing research into new materials submitted for use in our highway system.  This consists of identifying the need, preparing a work plan, initiating research, performing, and monitoring the research, analyzing the results and implementing any new or modified procedures or specifications as a result of the research.  Additionally, this Section is responsible for initiating engineering investigations to determine the reasons for poorly performing materials or manufactured products which fail to perform as designed and develop specifications or procedures to revise or correct the problem. The Data Collection and Investigations Section is also responsible for coordinating the Materials and Tests Unit's involvement with contract research with FHWA, ITRE, Universities and other Units within the Department of Transportation.  

Additionally, it is responsible for performing a variety of field inspections and testing; this includes, but not limited to, video pipe inspections, drilled shaft inspections, MIT scans, latex modified concrete pull-out testing, concrete and bituminous coring, and concrete maturity. Data Collection collects roughness (IRI) and rutting data on the secondary (SR) system, and skid friction data on the primary network (Interstate, US and NC routes). Also conducts training and QC/QA operations for the NCDOT Pavement Condition Survey.


SERVICE GROUP LINKS
 

OverviewMM-05-01Approved
  

Matt R. Hilderbran, PE, CPM
Data Collection & Investigations Engineer

Vacant  
Lead Field Investigator 

Vacant    
Field Concrete Engineer

​(919) 329-4200
Key Staff MembersMM-05-02Approved
  
Data ApplicationsMM-05-03Approved
  
FormsMM-05-04Approved
  
ManualsMM-05-05Approved
  
Policy LettersMM-05-06Approved
  
ProceduresMM-05-07Approved
  
ProgramsMM-05-08Approved
  

Pavement Design and Analysis provides pavement designs for TIP projects and Division projects.  Also conducts evaluation of existing pavements using FWD testing, coring, and dynamic cone penetration testing, and recommends possible rehabilitation strategies.

Note: The Pavement Management Unit consists of three sections: Data Collection, Pavement Design and Analysis, and Pavement Management Systems. Data Collection and Pavement Design and Analysis now fall under the Materials and Tests Unit, while Pavement Management still falls under Asset Management. Click the the following link to access Pavement Management.


SERVICE GROUP LINKS
 

OverviewMM-06-01Approved
  

Clark Morrison, PhD, PE
State Pavement Design Engineer
cmorrison@ncdot.gov

​(919) 329-4000

 

Key Staff MembersMM-06-02Approved
  
Data ApplicationsMM-06-03Approved
  
FormsMM-06-04Approved
  
ManualsMM-06-05Approved
  
Policy LettersMM-06-06Approved
  

The Quality Systems Unit within the Materials and Tests Unit is responsible for three main areas; (1) development and monitoring of the Quality Control/Quality Assurance programs, (2) providing Technical Support to NCDOT and Industry personnel, and (3) the Project Material Certification of all FHWA and NCDOT projects.

Quality Control/Quality Assurance:

This individual is responsible for developing, implementing, and monitoring of Quality Control/Quality Assurance programs for a variety of construction materials such as Aggregates, Concrete Masonry Units, and HDPE Pipe. Participation in the development of the Liquid Asphalt QC/QA Program and the ongoing development of the Cement and Concrete QC/QA Programs.  Development and ongoing monitoring and administration of the Unit's in-house Quality Management System that incorporates the four regional laboratories, satellite laboratory, and the central laboratory to ensure that all laboratories consistently meet the same standards and that the tests results are interchangeable between facilities.  Performs Statistical Analysis of sample data (both in-house and Producer generated) to ensure sample validity, determine sampling frequencies, and to assist upper management in the determination of material acceptance.

Technical Support:

This group provides a variety of services including computer system administrator, LANS, and workstations, coordination of software needs for system users and software upgrades.  This group also has assigned an individual to serve as a Computer Trainer/Liaison between the HiCAMS development, Web Application and IT Development Teams.  The Liaison is responsible for the interface between the client and the Systems Coordinator.  Provides technical support analysis and usage within HiCAMS, Vendor, QAP, and IAA Tracker Applications. Additional services include; security administrator, conducts software and application training, designs and maintains the Material and Tests webpage and portal, develops the Units online forms, documents, and step by step manuals.

Project Material Certification:

This group is responsible for the certification of all Federal Aid and State-funded projects. This certification process will coordinate, assemble, analyze, audit, convert, summarize and research contract documents, estimates and payments to contractors, materials inspections and test reports to ensure that accurate and sufficient documentation is available to verify the acceptable testing and inspection of critical materials and products used to build the highway system. This group determines if there are shortages of acceptable test reports and, if so, contacts the appropriate Resident Engineer so that the shortage may be addressed.  Reviews the pay reductions assessed against the contractor for accuracy. If unresolved discrepancies are discovered, this group determines a pay reduction based on established criteria against the contractor and determines the amount of the pay reduction.


SERVICE GROUP LINKS
 
OverviewMM-07-01Approved
  

​Samuel J. Frederick
Quality Systems Engineer
sjfrederick@ncdot.gov

Vacant
State Compliance & Assurance Engineer

​(919) 814-2220
Key Staff MembersMM-07-02Approved
  
FormsMM-07-03Approved
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