Chapter 3 of 450% of exam

Fence, Gate, and Rail Installation and Repair

Fence, Gate, and Rail Installation and Repair is the largest C-13 section at about 50%: chain link, agricultural, wood, ornamental, vinyl, composite and laminate fences, playgrounds, pools, game courts and flagpoles. This page is a short survey; the PrepPass C-13 Fencing study guide teaches each fence type with worked examples.

Chain link and wire

Learn the Caltrans numbers for fabric, fasteners, braces, gates, pull posts and grounding.

Fabric wire
11 gauge up to 84 inches; 9 gauge over 84 inches and slatted.
Caltrans 2024 Std. Spec. 80-3.02C
Pull posts
660 feet for wire mesh; 1,320 feet for barbed wire.
Caltrans 2024 Std. Plan A86

Wood and manufactured fences

Wood rots at the ground line; vinyl, aluminum and composite follow the maker's instructions.

Concrete on wood posts
Keep the concrete at least 6 inches below the ground line.
USDA Forest Products Laboratory A3052
Treated wood waste
Chemically treated posts may not be burned or chipped.
Health & Safety Code 25230 (AB 332)

Pools, playgrounds, courts and flagpoles

The dimensions are safety rules: pool barrier 60 inches, 2-inch bottom clearance, 4-inch sphere; 6-foot use zone; flagpole sleeve plumb.

Pool enclosure
At least 60 inches high; gates open away, self-closing, self-latching no lower than 60 inches.
Cal. Health & Safety Code 115923
Safety features
At least two of seven for a new single-family-home pool.
Cal. Health & Safety Code 115922

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