2010 Construction and Material Specifications - Ohio Department of ...

730.02
spaced on 1-inch (25 mm) on the centerline of all four sides, in true alignment and
opposite each other. Furnish posts with the dimensional requirements conforming
to the Department’s standard drawings. Furnish posts that have been finished with
one of the following methods:
A. Both inside and outside of the post are hot-dip galvanized according to
ASTM A 653 G-235.
B. The outside of the post has a zinc coating of 0.80 ounce per square foot (244
g/m 2 ) followed by chromate conversion coating and a cross-linked polyurethane
acrylic coating. The inside of the post has a zinc organic coating.
C. Provide a yield type driven post without breakaway devices conforming to
NCHRP 350 requirements. Provide a copy of the approval letter from FHWA.
Other material specifications may be accepted by the Department for drive posts
conforming to the dimensional requirements listed below and on ODOT standard
drawings and the performance requirements of NCHRP 350.
Furnish materials according to the Department’s Qualified Products List (QPL).
730.017 Wooden Box Beams. Furnish wooden box beams fabricated from
1/10 or 1/8 inch (2.54 or 3.18 mm) thick laminated veneers with the grain oriented
parallel to the length of the finished beam and the veneers glued together in a
continuous process with lap or scarf joints connecting successive ve10eers in each
layer staggered throughout the thickness of the beam. A 45 degree miter shall be
used for the corner joints. The adhesive used shall be a phenol-formaldehyde
which conforms to ASTM D 2559. The beams shall be pressure treated with a
pentachlorophenol preservative meeting AWPA Standard C33, with a minimum
preservative retention of 0.60 lb/ft 3 (9.6 kg/m 3 ) of pentachlorophenol.
730.02 Steel Anchor Bolts and Nuts. Furnish anchor bolts made of steel
conforming to ASTM F1554 Grade 105, galvanized according to 711.02 at least 2
inches (50 mm) beyond the threads, with the end either bent or with a drilled and
tapped steel plate. Furnish leveling nuts and anchor nuts capable of developing the
full strength of the anchor bolt.
Furnish materials according to the Department’s Qualified Products List (QPL).
730.03 Steel Poles and Arms. Furnish poles and arms made of steel with a
minimum yield strength of 52,000 pounds per square inch (359 MPa) and
galvanized according to 711.02.
Furnish certified material according to Supplement 1093
730.04 Base and Arm Plates. Furnish support or pole anchor bases and arm
attachment plates fabricated from steel plate according to ASTM A 36 (A 36M) or
ASTM A 572 (A 572M), Grade 42. Weld plates to supports, poles, or arms both
inside and outside with fillet or full penetration welds equal to the wall thickness,
or by AWS prequalified welding joints TC U4a-S or TC U4c-GF. The Contractor
may use a cast steel base of equivalent strength.
Furnish certified material according to Supplement 1093.
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