00320.00 262 Section 00320 - Clearing and Grubbing
Description
00320.00Scope - This Work consists of removing and disposing of vegetation and buried matter
within a specified area , or as directed. The Work also includes preserving vegetation and objects designated to remain in place and cleanup of the work area.
00320.01Areas of Work - The areas to be cleared and grubbed are shown, or if not shown, the
clearing lines are 10 feet outside the following:
• Top of side slopes of ditches and channel changes. • Top of cut slope. • Top of cutbank rounding if rounded. • Toe of fill slope. • Outside edge of Structure . • Other work areas shown, such as material sources, Borrow areas and road connections. • Tree, plant, or natural areas to be preserved.
00320.02Definitions :
• Preserving trees and other vegetation designated to remain in place. • Salvaging marketable timber, when required by the Special Provisions. • Cutting and removing vegetation, such as weeds, grasses, crops, brush, and trees. • Removing downed timber and other vegetative debris.
• Brush stems remaining above the ground surface after the C learing Work . • Tree stumps. • Roots and other vegetation found below ground surface. • Partially buried natural objects.
30 feet from the edge of the Traveled Way .
Construction
00320.40Clearing Operations:
Weeds according to Section 01030 prior to beginning C learing of trees and other vegetation. Cut trees and brush so they fall into the areas specified to be cleared.
Cut off tree stumps, not required to be grubbed under 00320.41, as follows:
• Flush with the ground surface if within the C lear Zone. 00320.40 263 • No higher than 4 inches above the ground surface if between the C lear Zone and the C learing line.
Remove all evidence of C learing matter and debris. This Work includes removal of:
• Sod, weeds and dead vegetation. • Downed timber, brush and other vegetation. • Sticks and branches with diameters greater than 1/2 inch. • Dead trees, downed timber, stumps, and specified trimmings from areas where live trees and other vegetation are designated to remain.
be saved. Preservation of this vegetation i ncludes protection and special care.
operations that may injure vegetation or other natural materials to the work area, or to areas that have already been cleared.
identify and mark trees, existing landscaping, vegetation, or other natural materials to be saved, as shown. Provide and place work zone fencing , from section 00221 .13 of the QPL, around designated no Work Zones and critical root zones of marked trees , as directed. Do not begin construction activit y or move Equipment into existing landscaped or vegetated areas until the work zone fencing is in place to designate and protect no work and critical root zones .
Do not work within the no Work Zones or critical root zone of marked trees unless written approval is obtained from the Engineer. Be responsible for all damage to and removal of trees , landscaping, vegetation or other natural materials designated to be saved. Damage will be determined by a specialist selected by the Engineer.
plants, rocks, down timber, and other natural materials for use in site restoration. Do not salvage material dominated by weedy species, as directed. If shown, salvage conifer trees that are greater than 18 inch diameter at breast height (DBH) with root wad int act. Store salvaged material in a clean and dry place until site restoration, or as directed.
directed, and according to the following:
Do not leave unsound branches of trees in place. Trim branches over Roadways and Bridges to provide at least 20 feet of clearance above the Roadway surface. Trim branches over walks to provide at least 8 feet of clearance above the walk surface. Trim branches obstructi ng sight distance at intersections or impairing visibility of signs. Keep Equipment and materials off the critical root zone as directed.
Remove hazardous, dead, and damaged trees outside the Clearing limit as directed.
00320.41 264 00320.41 Grubbing Operations - Within excavation limits, remove tree stumps, roots, and other vegetation to a depth of at least 6 inches below excavation Subgrade or sloped surfaces.
Within embankment limits, remove tree stumps, roots, and other vegetation.
00320.42Disposal of Matter - Dispose of all matter and debris according to 00290.20
00320.43Backfilling Holes - Except in areas to be excavated, backfill holes remaining after
Grubbing operations with clean fill (see 00290.20(c )(2)) according to 00330.45.
Measurement
00320.80Measurement - The quantities of C learing and G rubbing Work performed under this
Section will be measured according to the following:
• Lump Sum Basis - Under this method, no measurement will be made.
• Area Basis - Under this method, measurement will be the ground surface, limited to the areas shown or directed.
Payment
00320.90Payment - The accepted quantities of Clearing, Grubbing, disposal, and cleanup Work will
be paid for at the Contract lump sum amount or the Contract unit price, per acre, for the item "Clearing and Grubbing". Payment will be payment in full for furnishing all Equipment , labor, and Incidentals necessary to complete the Work as specified.
No separate or additional payment will be made for work zone fencing.
When the Contract Schedule of Items does not indicate payment for Work performed under this Section, no separate or additional payment will be made. Payment will be included in payment made for the appropriate items under which this Work is required.