RAILROAD -HIGHWAY CROSSBUCK SIGNS 849.04
836.03 Equipment — Vacant
836.04 Construction Methods
Install and connect the regulatory or warning sign assembly to a power supply as shown on the Plans.
836.05 Methods of Measureme Nt — Vacant
836.06 Basis of Payment
The Department will pay for each pay item at the contract unit price pe r the specified pay unit as follows: Pay Item: Pay Unit: REGULATORY OR WARNING SIGN ASSEMBLY Each Include the cost of wiring and connecting the regulatory or warning sign assembly to power in the contract unit price for Regulatory or Warning Sign Assembly . RAILROAD -HIGHWAY CROSSBUCK SIGNS
849.01 Description
This work consists of providing and erecting railroad -highway crossbuck signs with posts.
849.02 Materials
Provide materials as shown on the Plans. Submit to the Resident Engineer a Type D certification in accordance with Subsection 106.04, “Material Certifications.”
849.03 Equipment — Vacant
849.04 Construction Methods
A.Making Signs Prov ide the signs and posts as shown on the Plans.
B.Setting Signs Set the sign posts in compacted soil holes with the top of the sign set to the elevation as shown on the Plans or as directed by the Resident Engineer. Ensure the sign faces oncoming traffic. Adjust the sign to provide visibility as approved by the Resident Engineer. Backfill the holes with Class A concrete as shown on the Plans. Rod and consolidate the concrete to obtain density. Temporarily support the sign in a plumb position for at leas t 24 hr before removing the supports.
850.02 Signs
C.Sign Locations Place crossbuck signs in accordance with MUTCD for Streets and Highways, or as directed by the Resident Engineer.
849.05 Method of Measuremen T — Vacant
849.06 Basis of Payment
The Department will pay for each pay item at the contract unit price per the specified pay unit as follows: Pay Item: Pay Unit: RAILROAD -HIGHWAY CROSSBUCK SIGNS Each Include the cost of posts and footings in the contract unit price for Railroad -Highway Crossbuck Signs . SECTION 850 SIGNS
850.01 Description
This work consists of providing and erecting signs, including sheet aluminum and extruded aluminum panel signs with a retroreflective or non -retroreflective sheeting background, and steel or aluminum sign bracket arms, bolts, and fittings.
850.02 Materials
Provide materials in accordance with Section 719, “Signs.” Provide signs with Type III high intensity retroreflective sheeting unless otherwise shown on the Plans. Provide extruded panel signs with Type III high intensity retroreflective sheeting for the background with Type VIII retroreflective sheeting for legends and borders. Provide durable, transparent or opaque, high intensity colored electronic cuttab le film with pressure sensitive adhesive and removable liner for Interstate shields for both extruded aluminum signs and route assembly signs. Obtain the Resident Engineer’s approval of shop drawings before starting the manufacture of special signs. Use h igh intensity sheeting for all regulatory signs. The high intensity sheeting shall meet the requirements of ASTM D4956 for type III or IV sheeting. Use fluorescent yellow sheeting for all warning signs. The fluorescent yellow sheeting shall meet the requir ements of ASTM D4956 for type III or IV sheeting. Use high intensity sheeting for all green and blue signs on conventional highways. The high intensity sheeting shall meet the requirements of ASTM D4956 for type III or IV sheeting. Use type III or IV high intensity background with type VIII legends and borders on all panel signs and overhead signs. The type III or IV background and the type VIII legends and borders shall meet the requirements of ASTM D4956.
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 869–869 of 935.