Sign Posts and Pavement Marking Materials

Attachment C
SPECIFICATIONS/ CONTRACT REQUIREMENTS FOR SIGN STANDS:
The sign stand shall have been tested in accordance with crash worthiness guidelines and procedures set forth in the National
Cooperative Highway Research Program (NCH RP) Report 350 Test Level 3, Manual for Assessing Hardware (MASH), or
otherwise accepted in an FHWA letter for the specific sign stand. This standard requires a head-on impact and a 90-degree
impact. The sign stand must have passed both impacts. Additionally, the manufacturer shall provide the letter of acceptance
number the Federal Highway Administration (FHWA) issues documenting their approval of the crash test report conclusions,
the test date and the name of the testing facility, prior to award.
A. Specifications for Portable Flexible Sign Stands for Use with Roll-up Signs (X-frame, self-erecting, 21" sign
mounting height, 35 pound maximum weight)
Must comply with the following Detailed Specifications
Specification Item Value Comments
s
Sign display
capabilities:
Sizes up to 60" X 60" signs with a mounting height of 21" to Built-in rib clamp assembly for
bottom of sign; flags may be displayed with an optional adapter. quick sign mounting without
using tools
Legs:
Four-leg, X-footprint aluminum or steel, telescopic, No tools required to setup, adjust or
permanently affixed rubber tips, kick release lever-operated store the legs.
spring-loaded pin assembly for each leg to engage one of the 5
holes for leveling
the stand; with snap button extension lock/release.
Base:
Shall have two 3/16" steel base plates with five (5) leg height Holes are used with the kick plate pins
adjustment holes per leg. The top hole. shall be for vertical leg to level the stand or lock the legs in
storage, the next hole shall be at 50 degrees from the top hole, and the storage/transport position.
the remaining three holes shall be equally spaced by degrees from
each other.
Finish
All parts shall either be plated, galvanized or corrosion resistant.
Springs:
The stand shall have dual zinc chromate plated steel springs for
wind resistance. Shall withstand 500,000 flexures with no
Significant change in initial tension.
Upright Assembly:
The upright shall be fabricated from aluminum or steel tubing.
The top unused ends of the vertical tubes shall be capped with
secure fitting plastic plug.
Sign
Attachment:
On the upright the Li-shaped clamp shall trap a minimum of 2 The stand shall accommodate vertical
square inches of the sign's vertical rib directly against the upright. cross-braces of non- diamond roll up
The clamping motion shall be provided by a hand wheel and signs that extend I foot below the
threaded shaft to which shall be attached a special disc spring bottom of the sign.
mechanism to securely attach the sign in everyday use, but release
it in the event of a crash. The clamp shall have a range of at least The recessed areas of the hand wheel
1/8" to 12" for the various thicknesses of sign ribs. Guides shall be shall be designed to fit a person's hand
provided to ensure the vertical alignment of the sign vertical brace so that maximum
as well as a stop to assure the correct mounting height. pressure may be exerted.
Wind Resistance
When supporting a 16 square foot sign in 50-mph winds, the sign To be achieved without the use
stand shall not tip over or rotate more than 5 degrees about its of any tie downs or ballast of any kind.
vertical axis.
Stand Weight:
35 pounds maximum
Stand
Footprint:
Approximately 50" X 96"
Closed '
Dimensions:
Approximately 8" X 8" X 31"
Labeling:

Decals shall be applied to the stand indicating:
NCHRP 350 Test Level 3 or MASH compliance. The applicable
WZ number assigned by the FHWA, The manufacturer's name and
model number. Instructions for which holes to use for adjusting
legs for level ground and non-level ground.
Other:
Packaging: Individual stands-heavy -duty corrugated boxes,
multiple stands--48" square, two-way, non-returnable oak pallets.
Warranty: Stands shall be warranted against defective materials,
workmanship and failures for 5 years.
B. Specifications for Portable Flexible Sign Stands for Use with Roll-up Signs (X-frame, self-erecting, 60"
sign mounting height, 40 pound maximum weight)
Must comply with the foIIowing detailed specifications:
Specification Values Comments
Item
Sign display
capabilities:
Sizes up to 60" X 60" signs with a mounting height of 60" to Built-in rib clamp assembly for
bottom of sign; flags may be displayed with an optional quick sign mounting without
adapter. using tools
Legs:
Four-leg, X-footprint aluminum or steel tubing; kick release No tools required to setup,
lever-operated spring-loaded pin assembly for each leg to adjust or store the legs.
engage one of the 5 holes for leveling the stand; with snap
button extension lock/release.
Base:
Shall have two 14" steel base plates with five (5) leg height Holes are used with the kick
adjustment holes per leg. The top hole shall be for vertical leg plate pins to level the stand or
storage, the next hole shall be at 50 degrees from the top hole, lock the legs in the
and the remaining three holes shall be equally spaced by storage/transport position.
degrees from each other.
Finish
All parts shall either be plated, galvanized or corrosion
resistant.
Springs:
The stand shall have dual zinc chromate plated steel springs
for wind resistance. Shall withstand 500,000 flexures with no
significant change in initial tension.
Upright
Assembly:
The upright shall be fabricated from aluminum or steel tubing.
The top unused ends of the vertical tubes shall be capped with
secure fitting plastic plug.
Sign
Attachment:
On the upright, the U-shaped clamp shall trap a minimum of2 The stand shall accommodate
square inches of the sign's vertical rib directly against the vertical cross-braces of non-
upright. The clamping motion shall be provided by a hand diamond roll up signs that
wheel and threaded shaft to which shall be attached a special extend I foot below the bottom
disc spring mechanism to securely attach the sign in everyday of the sign.
use, but release it in the event of a crash. The clamp shall have
a range of at least I/8" to 12" for the various thicknesses of sign The recessed areas of the hand
ribs. Guides shall be provided to ensure the vertical alignment wheel shall be designed to fit a
of the sign vertical brace as well as a stop to assure the correct person's hand so that maximum
mounting height. pressure may be exerted.
Wind
Resistance
When supporting a 16 square foot sign in 50-mph winds, the To be achieved without the use
sign stand shall not tip over or rotate more than 5 degrees of any tie downs or ballast of
about its vertical axis. any kind.
Stand
Weight:

40 pounds maximum
Stand
Footprint:
Approximately 62" X 130"
Closed
Dimensions:
Approximately 8" X 8" X 50"
Labeling:
Decals shall be applied to the stand indicating: NCHRP 350 Test
Level 3 or MASH compliance. The applicable WZ number assigned
by the FHWA. The manufacturer's name and model number.
Instructions for which holes to use for adjusting legs for level
ground and non-level ground.
Other:
Packaging: Individual stands-heavy -duty corrugated boxes,
multiple stands 8" square, two-way, non-returnable oak pallets.
Warranty: Stands shall be warranted against defective materials,
workmanship and failures for 5 years.
c. Specifications for Compact, Portable Rigid Sign Stands for Use with Roll-up Signs (X-frame, self-erecting, 13"
sign mounting height, 16 pound maximum weight)
Must comply with the following Detailed Specifications:
Specification Values Comments
Item
Sign display
capabilities:
Sizes up to 48" X 60" signs with a mounting height of 13" to Built-in rib clamp assembly for
bottom of sign; flags may be displayed with an optional quick sign mounting without
adapter. using tools
Legs:
Four-leg, X-footprint aluminum or steel tubing; kick release No tools required to setup,
lever-operated spring-loaded pin assembly for each leg to adjust or store the legs.
engage one of the 5 holes for leveling the stand; with snap
button extension lock/release.
Base:
Shall have two 3/16" thick steel base plates with five (5) leg Holes are used with the kick
height adjustment holes per leg. The top hole shall be for plate pins to level the stand or
vertical leg storage, the next hole shall be at 50 degrees from lock the legs in the
the top hole, and the remaining three holes shall be equally storage/transport position.
spaced bv degrees from each other.
Finish
All parts shall either be plated, galvanized or corrosion All parts shall either be plated,
resistant. galvanized or corrosion
resistant.
Springs:
The stand shall utilize the spring action of the vertical cross
brace of the sign to counter the effect of the wind.
Upright
Assembly:
The upright shall be fabricated from aluminum or steel tubing.
The top unused ends of the vertical tubes shall be capped with
secure fitting plastic plug.
Sign
Attachment:
On the upright the U-shaped clamp shall trap a minimum of 2 The stand shall accommodate
square inches of the sign's vertical rib directly against the upright. vertical cross-braces of non-
The clamping motion shall be provided by a hand wheel and diamond roll up signs that extend
threaded shaft to which shall be attached a special disc spring I foot below the bottom of the
mechanism to securely attach the sign in everyday use, but release sign.

it in the event of a crash. The clamp shall have a range of at least
1/8" to 12" for the various thicknesses of sign ribs. Guides shall be The recessed areas of the hand
provided to ensure the vertical alignment of the sign vertical brace wheel shall be designed to fit a
as well as a stop to assure the correct person's hand so that maximum
mounting height. pressure may be exerted.
Wind
Resistance
When supporting a 16 square foot sign in 50-mph winds, the sign To be achieved without the use of
stand shall not tip over or rotate more than 5 degrees about its any tie downs or ballast of any
vertical axis. kind.
Stand
Weight:
16 pounds maximum
Stand
Footprint:
Approximately 45" X 92"
Closed
Dimensions:
Approximately 7" X 8" X 30"
Labeling:
Decals shall be applied to the stand indicating:
NCHRP 350 Test Level 3 or MASH compliance. The applicable
WZ number assigned by the FHWA. The manufacturer's name
and model number. Instructions for which holes to use for
adjusting legs for level ground and
non-level ground.
Other:
Packaging: Individual stands-heavy -duty corrugated boxes,
multiple stands-48" square, two-way, non-returnable oak pallets.
Warranty: Stands shall be warranted against defective
materials, workmanship and failures for 5 years.
Prior to award, the following shall be furnished:
I. One (I) sample of each item
2. Copy of the FHWA acceptance letter for each type PCSS documenting conformance to National Cooperative
Highway Research Program (NCH RP) Report 350, Test Level 3 or MASH testing requirements.
3. Warranty information from the manufacturer indicating conformance to the warranty requirements herein.
4. Any additional information requested by the city of Suffolk to show conformance to the specifications

Specification for RS24 Diamond Grade Roll Up Sign
General
Sign shall have been tested in accordance with crash worthiness guidelines and procedures set forth in the
National Cooperative Highway Research Program (NCHRP) Report 350, impact standard. This standard
requires a head-on impact and a 90 degree impact. The sign must have passed both tests with the designated
sign stand used to conduct the test. Additionally, the manufacturer shall provide the Letter of Acceptance
Number the FHWA issues documenting their approval of the Crash Test Report conclusions, the test date
and the test facility.
Technical
I. Roll Up Sign Panel or Blank
The roll up sign and overlay material shall be non vinyl 3M Scotchlite Diamond Grade fluorescent wide
angle prismatic lens Roll Up Sign Sheeting RS24 Orange. (See 3M Product Bulletin RS24 dated August
1998) The legend shall be applied via screen printing using 3M's matched component systems process
colors and procedures. The image shall follow the graphic standards and guidelines of the MUTCD unless
otherwise specified. The size of the sign shall be 48x48 or as specified. A warranty must be provided that
the sign will be free of defects and remain effective for its intended use at the minimum values for the
coefficient of retroreflection and fluorescent luminance retention stated in the Product Bulletin for three
years. The sign shall be provided with velcro sewn to one horizontal corner so that when the sign face is
rolled up around the vertical rib, the velcro (12 inch minimum) will comfortably encircle the sign and hold it
in the rolled up state. When the sign is rolled up for storage and has been printed with graphics, there should
be identification printed in the margin conveniently indicating the legend.
The sign panel shall be furnished with fabric corner pockets that are accurately placed so that when the sign
is assembled with the cross bracing the fit maintains a taut professional look that does not bow or sag. The
pockets shall be made from a 15 oz./sq.yd. woven fabric with yarn .018 in diameter that consists of
approximately 80% P.V.C. and 20% polyester thread, yielding a minimum of 52 total threads per square
inch. The material is finished with heat and pressure in such a way to stabilize the fabric against excess
stretch and provide adequate seam strength. Typical ASTM D3787 ball burst strength should be 320 lbs.
The pocket must be triangular in shape and consist of 2 independent square pieces that are folded to form an
isosceles triangle and sewn together making it 4 ply. The piece that is in contact with the back of the sign
shall be either 9x9 or 7x7 and the top piece that creates the pocket cavity shall be an 8x8 or 6x6
respectively. The two pieces are sewn together with an exterior grade T-80H cotton warp thread around the
perimeter except for an area for the pocket cavity which is 2x41/4 and 2x23/4 in the center of the triangle.
Two vertical 1/2"long bar tacks are to be sewn at the rib entry and one at the pressure point at the end of the
pocket using T-40 polyester/cotton corespun thread. The pocket is sewn to the sign following a path around
its perimeter with the T-80H thread providing distribution of the rib tension over a significant area instead of
along the corner to corner centerline. The edges of the pocket cavity must be parallel to the corner to corner
axis of the cross braces and the end of the pocket that makes contact with tip must be perpendicular to that
axis. See drawings C12100 and K869A for an illustration of this construction.
Overlays can be attached by using pressure sensitive hook and loop fastening systems such as Scotchmate
SJ3526 Loop and SJ3527 Hook.
II. Cross Braces
The material used for the cross braces (ribs) that run from corner to corner to keep the sign tightly drawn
and firm must be a unidirectional fiberglass reinforced polyester rectangular bar, safety orange in color with
UV light inhibitors. The amount of fiber content by weight should be a minimum of 65%. They shall be
securely fastened at their centers using a low profile steel tubular rivet and separated by a flat washer to
allow collapsing and roll up of the sign. The rib tip should be only slightly chamfered to distribute the
displacement pressure from the tip of the rib to the end of the pocket over a maximum area. The rib shall
have a smooth finish and not bloom or splinter from everyday handling. The normal cross bracing
configuration consists of two ribs for diamond shaped signs and rectangular shaped signs that are mounted
to conventional type sign stands via brackets. A third rib is required for rectangular or square shaped signs

that are used with compact type stands. The table below provides the dimensional data for the various sizes
of cross braces expected to be purchased. Dimensional tolerances must conform to industry standards.
RIB/POCKET DIMENSION CHART
Size/Shape Vertical Rib Horizontal Rib Diagonal Rib Diagonal Rib Pocket Size
60x60 diamond 3/8x11/4x817/8 3/16x11/4x817/8 9x9
48x48 diamond 3/8x11/4x643/4 3/16x11/4x643/4 9x9
36x36 diamond 1/4x11/4x477/8 3/16x11/4x477/8 7x7
30x30 diamond 3/16x11/4x39 1/8x1x39 7x7
60x60 square >3/8x11/4x643/4 3/16x11/4x817/8 3/16x11/4x817/8 9x9
48x48 square >3/8x11/4x477/8 3/16x11/4x643/4 3/16x1/14x643/4 9x9
36x36 square >1/4x11/4x477/8 3/16x11/4x477/8 3/16x11/4x477/8 7x7
30x30 square >1/4x11/4x361/2 1/8x1x39 1/8x1x39 7x7
24x24 square >1/4x11/4x361/2 1/8x1x31 1/8x1x31 7x7
48x60 rectangle >3/8x11/4x643/4 3/16x11/4x731/2 3/16x11/4x731/2 9x9
36x48 rectangle >3/8x11/4x477/8 3/16x11/4x563/4 3/16x11/4x563/4 9x9
42x36 rectangle >1/4x11/4x477/8 3/16x11/4x521/4 3/16x1/1/4x521/4 7x7
24x30 rectangle >1/4x11/4x361/2 1/8x1x353/8 1/8x1x353/8 7x7
60x30 rectangle >1/4x11/4x361/2 3/16x11/4x64 3/16x11/4x64 7x7
60x24 rectangle >1/4x11/4x361/2 3/16x11/4x61 3/16x11/4x61 7x7
48x32 rectangle >1/4x11/4x361/2 3/16x11/4x54 3/16x11/4x54 7x7
48x30 rectangle >1/4x11/4x361/2 3/16x11/4x531/2 3/16x11/4x531/2 7x7
48x24 rectangle >1/4x11/4x361/2 3/16x11/4x51 3/16x11/4/51 7x7
48x18 rectangle >1/4x11/4x361/2 3/16x11/4x477/8 3/16x11/4x477/8 7x7
> These ribs are required only when the
sign is not a diamond shape and when it is
used with a compact type sign stand.
When a rectangular or square sign is used
with only two diagonal ribs, the rib assembly must
be furnished with a 6x11/4x.080 aluminum plate at
the center for mounting purposes. All rectangular or
square signs need velcro sewn 1 inch from the top
to go around the vertical mast of a conventional
bracket mount sign stand or around the vertical rib
for a compact type stand mount to keep the sign
from rotating around the axis of the rib center.
III. Assembly and Packaging
A. Finished signs that are shipped preassembled with ribs are to be bulk packed in heavy duty
corrugated boxes and placed on skids. If quantity is small package signs in individual boxes or
as directed on purchase order.
B. Sign blanks to be shipped flat in heavy duty corrugated boxes.
C. The cross braces when shipped separately in bulk, must be packaged in heavy duty corrugated
boxes and secured appropriately to a skid or pallet. Small quantities to be packaged in boxes.
D. Contents of each box to be identified on the outside by separate label.