Part 1 — General
1.1 Section Includes
A.Pruning, removal and disposal of existing tree branches.
1.2 RELATED SECTIONS Not Used
1.3 References
A.ANSI Z 133.1: Pruning, Trimming, Repairing, Maintaining, and Removing Trees, and Cutting Brush – Safety Requirements.
B.ANSI A 300, Part 1: Pruning Standard
1.4 DEFINITIONS Not Used
1.5 Submittals
A.Copy of all necessary permits from the municipality, city forester, or both in which the work is located seven calendar days before work begins, for information.
B.Copy of the arborist’s certificate from International Society of Arboriculture (ISA), for information.
Part 2 — Products
2.1 Disinfectant
A.Chlorine based
Part 3 — Execution
3.1 Tree Pruning
A.Conform to ANSI Z 133.1 and Current Standards for Pruning.
B.Follow ANSI A 300 Standard Practices (Pruning) when making pruning cuts as follows:
1.Use the “Natural Target” or “Drop Crotch” pruning method when removing limbs.
2.Make all pruning cuts sufficiently close to the trunk or parent limbs without cutting into or removing the branch collar or the branch bark ridge.
3.Prune trees to improve shape and growth habitat typical of the natural form of the species being pruned.
C.Prune tree branches to provide a clear height as follows:
1.15 ft minimum above the roadway paved surfaces
2.10 ft minimum above sidewalks or pedestrian trails.
3.10 ft minimum above fences, include right of way fence.
D.Spray pruning equipment with disinfectant after coming in contact with diseased plant material.
E.Do not top, pollard, stub, or dehorn any tree.
F.Do not remove branches that will deform the appearance of the tree.
3.2 Branch Disposal
A.Remove all cut branches and debris from the site.
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Source: Utah Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 841–842 of 1,311. View official source ↗