2-7 Section 202. Removing Trees, Stumps, a nd Corduroy
202.01 Description
This work consists of removing trees and stumps with a diameter of at least 6 inches located outside the clearing limit s and removing corduroy within the limits of the proposed roadbed and backfilling as required.
202.02 Material
Provide materials in accordance with the following: Sound Earth .......................................................................................... 205 Granular Material Class III .................................................................... 902
202.03 Construction
A.Removing Trees or Stumps . Remove and di spose of trees or stumps with a diameter of at least 6 inches that are outside the clearing limits . Remove non- ornamental fruit trees within the right -of-way even if not shown on the plans . Remove and dispose of trees, stumps, roots, and debris in accordance with section 201. If removing a stump could result in damage to existing utilities, remove the stump by chipping it to a depth of at least 12 inches below the finished ground surface . Remove other stumps by chipping only if approved by the Engineer . Backfill removal areas with granular material Class III within the influence of the subgrade surface and sound earth outside the influence of the subgrade surface.
B.Removing Corduroy . Remove and dispose of logs, poles, stumps, brush, and other mat erial embedded under the surface of an abandoned or existing road within the limits of the proposed roadbed. Remove corduroy in the roadbed if within 4 feet of the plan grade. Dispose of corduroy in accordance with section 201. Backfill trenches excavated after the removal of corduroy with granular material Class III.
202.04 Measurement and Payment
Pay Item Pay Unit Tree, Rem, __ inch to __ inch ................................................................... Each Stump, Rem, __ inch to __ inch ................................................................ Each Tree, Rem, 37 inch or Larger .................................................................... Each Stump, Rem, 37 inch or Larger ................................................................. Each Corduroy, Rem ....................................................................................... Station
A.Trees and Stumps . The Engineer will determine the size of trees by the diameter of the trunk measured to the nearest full inch 4½ feet above the ground line at the base of the tree. The Engineer will measure trees with MDOT Standard Specifications for Construction Section 202 2-8 major limbs lower than 4½ feet from the ground at the smallest diameter below the limbs. The cost of removing trees or stumps with a diameter of less than 6 inches is included in other pay items. Where more than one trunk has grown from a common stump, the Engineer will measure each trunk as a separate tree. The Engineer will measure stump diameters to the nearest full inch at the top of the stump. For stumps incorrectly shown on the plans as trees designated for removal, the Engineer will measure, and the Department will pay for , removing stumps with the relevant stump removal pay item . If the contract does not include stump removal pay items but includes tree removal pay items, the Department will pay for removing stumps with the relevant tree removal pay item. The unit price for tree and stump removal pay items includes the cost of providing and placing backfill . Tree removal pay items include respective stump removal.
B.Corduroy, Removal . The Engineer will measure Corduroy, Rem along the road centerline. The unit price for Corduroy, Rem includes the cost of backfill . The Department will apply Corduroy, Rem if below the excavation limits required for other pay items.
Source: Michigan Standard Specifications for Construction, 2020 Edition. Pages 133–134 of 1,146.