Amendment 1 5 Caltrans 2025 Railings and Barriers StdSpecs 0001

83 RAILINGS AND BARRIERS

83-1 GENERAL

83-1.01 GENERAL

Section 83-1 includes general specifications for constructing railings and barriers. Excavation and backfill must comply with section 19.

83-1.02 MATERIALS

83-1.02A General
Reserved
83-1.02B Steel Parts and Hardware
Welding must comply with AWS D1.1. Grind welds on exposed surfaces flush with the adjacent surfaces. Galvanize completed steel parts and hardware for railings and thrie beam barrier under section 75-1.02B. After galvanizing, the railing and barrier elements must be free of fins, abrasions, rough or sharp edges, and other surface defects and must not be kinked, twisted, or bent. If straightening is necessary, use an authorized method. Elements with kinks, twists, or bends may be rejected. Clean and regalvanize (1) abraded or damaged galvanized surfaces of steel rail elements and posts and (2) ends of steel rail elements cut after galvanizing. If authorized, you may repair the surfaces under section 75-1.02B instead of regalvanizing.
83-1.02C Mortar
Mortar must comply with the specifications for mortar in section 51-1, except the mortar must consist of 1 part by volume of cement and 3 parts by volume of clean sand. 83-1.02D Markers
Markers must comply with section 82.

83-1.03 CONSTRUCTION

83-1.03A General
After constructing railings, barriers, terminal systems, crash cushions, and vegetation control, use the surplus excavated material to meet the grading requirements. Disposal of surplus material must comply with section 19-2.03B.
83-1.03B Mortar
Cure mortar by either the water method or the curing compound method using curing compound no. 6. 83-1.03C Median Barriers
Trim existing median plantings to clear the work area for median barrier construction. Dispose of the trimmings.
Do not remove an existing median barrier more than 500 feet in advance of the barrier being constructed. At the end of each day's activities, reset the existing median barrier without mesh or glare screen and anchor the barrier in an authorized way such that no gap is left between the reset barrier and the barrier being constructed. You may place temporary barrier system instead of resetting the existing barrier. 83-1.03D Miscellaneous Construction
Where shown, paint the structure name, bridge number, year constructed, and other bridge identification information. Painting concrete must comply with section 78-4.03C(3). Bridge identification on the bridge barrier must be (1) painted at each structure approach, (2) visible to