chapter 3 rigid pavement - DOT On-Line Publications - Department ...

FIiWA TECHNICAL ADVISORY T 5080.17
July 14, 1994
ATTACHKENT 2
When epoxy coated bars are cut in the field, are they
being sawed, sheared, or cut with a torch? Cutting
with a torch is not acceptable. If cut in the field,
the bars should be repainted at the cut ends with a
similar type of epoxy paint.
Are at least 50 percent of the bar intersections being
tied?
Are all rebar laps of the specified length?
Are all portions of metal bar supports in contact with
any concrete surface galvanized or plastic coated? Are
epoxy coated bars being supported with plastic, plastic
coated, or epoxy wire chairs?
Are the reinforcement bar support in sufficient
quantity and adequately spaced to rigidly support the
reinforcement bars?
After epoxy coated bars are in place, are the bars
inspected for damage to the'coating and is the
contractor repairing all scars and minor defects using
the specified repair materials?
Is the finishing machine being used to detect high bars
by making a "dry run" over the length of the deck prior
to concrete placement? Is the proper coverage'being
maintained between the bars and any form work or
surface, top, side, and bottom?
6. PRE-POUR INSPECTION
Prior to the placement of the concrete have the
reinforcement bars, construction joints, and forms been
cleaned of mortar, dirt, and debris?
Are the strike-off screeds set to crown, and other
equipment on the job-site (such as vibrators) in good
UUrking condition?
7. USE OF RETARDING ADMIXTURE (BRIDGE DECXl.
If the specified temperature is reached, is a retarding
admixture being used in the bridge deck concrete?
3.10.30