Federal Highway Administration |
1200 New Jersey Ave. S.E. Washington, D.C. 20590 |
March 11, 2009
In Reply Refer To: HSSD/WZ-180A
Mr. Craig Schultz
Davidson Traffic Control Products
3110 70th Avenue East
Tacoma, WA 98424
Dear Mr. Schultz:
In your letter of January 21 you requested the Federal Highway Administration (FHWA) acceptance of the O-frame Type I and Type II barricade as a crashworthy traffic control device for use in work zones on the National Highway System (NHS). Accompanying your letter was the FHWA Office of Safety Design form that included a drawing and a detailed description of the device. The drawing is enclosed with the acceptance form for the Type I and Type II barricade. You have clearly outlined the slight design modification made to the previously accepted device (WZ-180) and requested that we find this device acceptable for use on the NHS under the provisions of National Cooperative Highway Research Program Report 350 "Recommended Procedures for the Safety Performance Evaluation of Highway Features.”
This letter is the acknowledgement of the FHWA's acceptance of your request. The original completed forms have been modified by the addition of the FHWA acceptance letter number and the date of our review. The form will be posted on our Web site in the near future.
Sincerely yours, David A. Nicol, P.E. |
Page 1 | FEDERAL HIGHWAY ADMINISTRATION OFFICE OF SAFETY DESIGN Category 2 Work Zone Device Acceptance Letter |
Letter Number | ||||
---|---|---|---|---|---|---|
WZ-180A | ||||||
Date | ||||||
3/9/09 | ||||||
Contact Info | Petitioner / Developer Name and Address: | |||||
Mr. Craig Schutz Davidson Traffic Control Products 3110 70th Ave East Tacoma, WA 98424 | ||||||
I hereby certify that the device(s) covered by this Acceptance Letter meet(s) the crash – worthiness test and evaluation requirements of the FHWA and NCHRP Reprt 350. | ||||||
Signature | ||||||
Telephone# | (253) 284-8000 | |||||
Enail Address | craigschulz@flitrona.com | |||||
Laboratory / Engineer Name and Address | ||||||
I hereby certify that the testing that supports this Acceptance Letter was conducted in accordance with NCHRP Report 350 guidelines, that the device(s) tested is/are accurately described on this form, and that the test results indicate that the device meets all applicate NCHRP Report 350 evaluation criteria. | ||||||
X |
I have evaluated the requested modifications to these devices previously found acceptable by the FHWA in Acceptance Letter WZ-____, and hereby certify that, in my opinion, the modifications do not adversely affect the crash performance of the devices. I also certify that these devices are acurrately described on this form. | |||||
Signature | ||||||
Telephone# | ||||||
Email Address | ||||||
Keywords | Type I & II Barricade Leg | |||||
Type of Device (See page 3) Type I Barricade Composition of sign or Rail substrate (See page 3) Extruded Plastic | ||||||
Thickness of substrate (inches): 0.13 | ||||||
Flags and or lights present during test? Indicate number of each: | ||||||
# of flags: | # of lights: | Weight of lights: | ea. | |||
Device Name | O-Frame Barricade Leg | |||||
Detailed Desc Of Device, Materials, sizes, Fasteners, Substrates Foundation, Aux. Features Ballast, etc. | (May be attached on seperate page(s))
O-Frame is a modification to our original A·Frame Barricade Ihat was accepted under |
Page 2 | FEDERAL HIGHWAY ADMINISTRATION OFFICE OF SAFETY DESIGN Category 2 Work Zone Device Acceptance Letter | |||
---|---|---|---|---|
Letter Number | WZ-180A | Date | 3/9/09 | |
Mandatory Attachments | ||||
Attach. #1a | Test# | |||
Attach. #1b | Test# | |||
Attach. #1c | Test# | |||
Attach. #1d | Test# | |||
Alternative | Attachment #1: Description and discussion of modification(s) to crash tested and/or accepted device. | |||
Date: 03/06/2009 | ||||
Attachment#2: PDF drawing(s) of device(s) | ||||
Attach. #2a | Drawing Title: O-Frame Drawing | |||
Drawing #: | ||||
Attach. #2b | Drawing Title: | |||
Drawing #: | ||||
Attach. #2c | Drawing Title: | |||
Drawing #: | ||||
Attach. #2d | Drawing Title: | |||
Drawing #: | ||||
Attach. #2e | Drawing Title: | |||
Drawing #: | ||||
Attach. #2f | Drawing Title: | |||
Drawing #: | ||||
Attach. #2g | Drawing Title: | |||
Drawing #: |
Page 3 | FEDERAL HIGHWAY ADMINISTRATION OFFICE OF SAFETY DESIGN Category 2 Work Zone Device Acceptance Letter |
Letter Number | ||||
---|---|---|---|---|---|---|
WZ-180A | ||||||
Date | ||||||
3/9/09 |
Please select from the following Keywords for "Type of Device":
Please select from the following Keywords for "Sign Substrate":
Please select from the following Keywurds for "Height of Sign":
The distance 10 the lowest point on the sign is:
Low | 12 to 18 in ches above the pavement |
---|---|
Mid-A | 20 to 24 inches above the pavement |
Mid-B | 25 to 36 inches above Ihe pavement |
Mid-C | 37 to 59 inches above the pavement |
Tall | (60 to 71 inches above the pavement |
Oversized | 72 inches and taller |
Page 4 | FEDERAL HIGHWAY ADMINISTRATION OFFICE OF SAFETY DESIGN Category 2 Work Zone Device Acceptance Letter |
Letter Number | ||||
---|---|---|---|---|---|---|
WZ-180A | ||||||
Date | ||||||
3/9/09 |
Please note the following standard provisions th at apply to FHW A letters of acceptance: