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. , ., IN le I,N4 a ON IN IN IN IN IV I I IN NI IN IN N IN I IN r -t. �-. - e - It f, « .. IN (2) The Controller will force the traffic signal to display red toward the traffic approach in case of radio failure or interference . It (j ) The trailer and supports will be painted construction/maintenance orange enamel in accordance with the MUTCD color. (k) The device will meet NEMA environmental standard . The test report certified by an independent laboratory will be provided . (1) Ensure the certification number is engraved or labeled permanently on equipment. (m) Ensure the device has an external , visible, water resistant label with the following information : " Certification of this device by the Florida Department of Transportation allows for its use in Construction Zones Only. " SECTION 990 (Pages 956- 966) is expanded by the following new Article : 990 -8 Work Zone Signs . Provide steel flanged U- channel or Square Tube steel meeting the mechanical requirements of ASTM A 499 , Grade 60 . For each U- channel or Square Tube , punch or drill 3 /8 inch diameter holes on 1 inch centers through the center of the post, starting approximately 1 inch from the top and extending the full length of the post. Ensure that the weight per foot of a particular manufacturer ' s post size does not vary more than ±3 1 /2 % of its specified weight per foot . Taper the bottom end of the post for easier installation . Machine straighten the U -channel to a tolerance of 0 . 4 % of the length . Use only non- corrosive metal , aluminum , or galvanized steel attachment hardware . Work zone sign systems shall be one of the products listed on the QPL. It SECTION 990 (Pages 956 - 966) is expanded by the following new Articles : 990-9 Temporary Raised Rumble Strips : 990-9 . 1 General : Temporary Raised Rumble Strips shall be one of the products listed on the QPL . Meet the physical display and operational requirements in the MUTCD for Temporary Raised Rumble Strips . The Temporary Raised Rumble Strip may be either a removable polymer striping tape type or a molded engineered polymer material type as described below : 990-9 . 1 . 1 Removable Polymer Striping Tape : Characteristic Requirement Composition : Removable Polymer Striping Tape with re- applied adhesive Color : White , Black or Orange Cross - section : 0 . 25 in . to 0 . 50 in . (height) x 4 in . (wide) 990-9 . 1 .2 Molded Engineered Polymer Material : Characteristic Requirement Composition : Molded Engineered Polymer Material Weight Internally ballasted to provide proper weight to maintain position in use without the use of adhesives or mechanical fasteners Color : White , Black or Orange - 252 - FPID ( S ) : 423186 - 1 - 58 - 01