AASHTO’s National Transportation Product Evaluation Program (NTPEP)

Guardrail (GRL)

Pre-Audit Application Form

Primary Contact
Name:
Title:
Telephone:
Email:
Management
QC Manager:
Plant Manager:

Section 1: Inspection Personnel

Note – Please complete the following table naming individuals trained to perform the following functions.

Identification of the personnel approved to run quality control inspection at the plant
Coil/Sheet Inspection: Evaluation of coated coils (thickness, origin, size, etc.) upon receipt.
Production Inspection: Line checks and inspections performed during production which may include workmanship, coatings, profile geometry, length, holes/slots, etc.
Name / Coil/Sheet Inspection / Production Inspection
Comments: / None

AASHTO’s National Transportation Product Evaluation Program (NTPEP)

Guardrail (GRL)

Pre-Audit Application Form

Section 2: Guardrail Identification Markings

Please provide pictures (electronic) that illustrate guardrail and cable guiderail identification markings used at this facility:


Section 3: Size and Type of Material Produced

Table 1 - Size and Type of Guardrail Sold by the Plant
Specification: M 180
Please indicate below the size and type of each guardrail provided by your facility. If the specified component is outsourced, please indicate the facility. For location of fabrication please use “I” for In-House or “O” for for Outsourced.
Types: / Type I—Zinc coated 550 g/m2 (1.80 oz/ft2) minimum single-spot.
Type II—Zinc coated, 1100 g/m2 (3.60 oz/ft2) minimum single-spot.
Type III—Beams to be painted. Type IV—Beams of corrosion resistant steel.
Classes: / Class A—Base metal nominal thickness—2.67 mm (0.105 in.).
Class B—Base metal nominal thickness—3.43 mm (0.135 in.).
Types and Classes / W - Beam / Thrie Beam / 12.5 Ft / 25.0 Ft / Outsource Supplier
Type I, Class A
Type I, Class B
Type II, Class A
Type II, Class B
Type III, Class A
Type III, Class B
Type IV, Class A
Type IV, Class B
Comments: / None
Table 2 - Size and Type of Cable Guiderail Sold by the Plant
Specification: M 30
Please Select All that Apply:
Types: / Type I- ¾ in. (19 mm) diameter, 3 by 7 strand construction
Type II- ¾ in. (19 mm) diameter, 6 by 19 strand construction (IWRC)
Type IIa- ¾ in. (19 mm) diameter, 6 by 19 strand construction (wire strand core)
Type III- 1 in. (25 mm) diameter, 7 by 17 strand construction
Coating Classes: / Class A- 0.40 to 0.85 oz/ft² (122 to 259 g/m²) Class B- 0.80 to 1.70 oz/ft² (244 to 519 g/m²)
Class C- 1.20 to 2.55 oz/ft² (366 to 778 g/m²)
Types and Classes / Class A / Class B / Class C / Outsource Supplier
Outsource Supplier
Type I
Type II
Type IIIa
Type III
Comments: / None


Section 4: Quality Control Inspection Matrix

Matrix of Quality Control Inspections, Facilities, and Intervals
Please indicate for the QC tests shown below if your facility conducts the inspection in-house or indicate the name of the outside facility used (Second or Third Party). Additionally, indicate the frequency of record inspections. Please indicate contact information for second/third party facilities below.
Second and/or third party facilities used
TEST NAME / Inspection Performed: / Inspection Interval:
In-House / By a Second Party Facility / By a
Third Party Facility
Coil Inspections:
Coating Thickness (if precoated)
Lot Tracking
Rail Inspections:
Thickness
Corrugations:
Profile Pitch
Profile Depth
Length
Slots/Holes
Coatings
Comments: / None

Please provide a sample report representing each type of material produced (guardrail, cable guiderail, anchor units, end treatments, end or buffer sections, nuts, bolts, washers, posts, and blocks):

Section 5: Signature

Signature: / Date:
I certify that all responses are truthful and accurate.
Name: / Title:
Plant Name: / Location (City, State):