Diversion Box Gate and Frame DIVERSION BOX GATE AND FRAME
Part 1 — General
1.1 Section Includes
A.Materials and procedures for constructing gate and frame for hand slide gates or for screw gates and frames according to the DB Series Standard Drawings .
1.2 RELATED SECTIONS Not Used
1.3 References
A.AASHTO M 111: Zinc (Hot -Dip Galvanized) Coatings on Iron and Steel Products
B.ASTM A 36: Carbon Structural Steel
C.ASTM A 307: Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength
D.ASTM A 575: Steel Bars, Carbon, Merchant Quality, M -Grades
E.ASTM D 2000: Rubber Products in Automotive Applications
1.4 DEFINITIONS Not Used
1.5 Submittals
A.Shop drawings for review . Include at least the following:
1.Diversion box screw gate and frame
2.Installation procedures
3.Fabrication methods Diversion Box Gate and Frame
Part 2 — Products
2.1 Blades and Metal Frames for Hand- Slide Gates
A.Zinc coated steel. Refer to and c omply with AASHTO M 111 .
2.2 Frame and Flush Bottom Closure
A.Carbon steel for frame and flush bottom according to ASTM A 36.
B.Galvanizing frame and flush bottom according to AASHTO M 111.
C.Galvanized fastener according to ASTM A 307.
D.Threaded carbon steel according to ASTM A 575.
E.Rubber seal for flush bottom according to ASTM D 2000, Grade AA 625 or BC 610 to 615.
Part 3 — Execution
3.1 Installation
A.Hand- Slide Gate – Install according to the DB Series Standard D rawings .
B.Install the screw gate and frame according to the authorized shop drawings so the gate opens and closes smoothly.
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 374–375 of 1,331.