SECTION 810 — SELECTIVE TREE REMOVAL AND TRIMMING

810.1 DESCRIPTION — This work is the removal of selected trees and shrubs, the trimming of remaining trees and shrubs, the treatment of tree injuries, and the removal of stumps, debris, and undesirable vegetation within these areas.

810.2 MATERIAL —

• Stump or Basal Treatment Herbicide — Type VIII, Class A, as specified in Specification No. H-16 issued by the Pennsylvania Department of General Services, Bureau of Purchases, Standards and Specifications Division. Conform to all current Federal and State pesticide acts and registration requirements. Furnish herbicide in the manufacturer's labeled container.

810.3 CONSTRUCTION —

(a) Tree and Shrub Removal. Living trees and shrubs to be removed or trimmed will be designated either by separate marking, marking in sample areas or as otherwise identified. Where sample marking is adopted, do not disturb these sample areas until other areas are complete.
For designated live or dead trees and shrubs, stumps and undesirable vegetation, cut to the ground line or to a height of not more than 4 inches, as directed. Fell trees and remove in a manner preventing injury to remaining vegetation. In areas where felling is not permitted, due to possible damage for any reason, remove trees in sections.

(b) Herbicide Treatment. Treat live stumps of cut trees and shrubs with herbicide on the day of cutting. Apply herbicides in accordance with the manufacturer's recommendation. Repeat the herbicide treatment, as directed, if suckers or sprouts develop at any time prior to final inspection.

(c) Tree Trimming. Remove living branches to a maximum height of 20 feet, if directed. Remove dead and dying limbs and branches 1 inch or more in diameter. Remove branches to the branch bark ridge.
Have skilled workmen perform cutting and trimming, in accordance with accepted agricultural practices. Use acceptable tools and methods to perform the work. The use of climbing spurs or spikes is not permitted.
Treat work-related injuries to remaining trees and shrubs, regardless of species, in accordance with accepted agricultural practices.

(d) Clean-up. Chip, burn or dispose of brush and debris resulting from work. Burn, as specified in Section 201.3. No burning will be permitted within 40 feet of vegetation designated to remain.
As directed, dispose of rubbish, broken concrete, litter and other objectionable material.

(e) Maintenance. Until the project is completed, properly maintain selective tree removal and trimming, including retreatment of sucker growth, the removal of wind-thrown trees and plants or parts of plants which die from any cause.

810.4 MEASUREMENT AND PAYMENT — Lump Sum, Acre, or Each
When work is measured and paid for by Acre or Each, computations for completed work will be recorded daily on Form M-609.
When measured by the Acre, measurement will be to the overhanging dripline of trees.

No Supplement

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