88 ALASKA 2020 DIVISION 200 – EARTHWORK
201-1.01 DESCRIPTION . Clear, grub, remove, and dispose of all vegetation and debris within
designated areas of the project, except such objects as are designated to remain or are to be removed under other sections of these Specifications. Preserve from injury or defacement all vegetation and objects designated to remain.
201-2.01 MATERIALS. None.
CONSTRUCTION REQUIREMENTS
201-3.01 GENERAL. The Engineer will designate the limits of work and all trees, shrubs, plants
and other things to remain. Preserve all things designated to remain. Keep erosion potential to a minimum. Preserve survey stakes, boundary markers, bench marks, and tie points until such time as their usefulness has ceased and the Engineer gives permission for their destruction.
201-3.02 CLEARING. Cut and dispose of all trees, down timber, stubs, br ush, bushes and debris
from all areas designated. Fell trees toward the center of the area to be cleared, in order to minimize damage to the trees that are to be left standing. Remove and dispose of trees unavoidably falling outside the specified limits. C ut trees and brush to a height of not more than 6 inches above the surrounding ground.
201-3.03 GRUBBING. Remove and dispose of all stumps, roots, moss, grass, turf, debris or other
objectionable material within excavation limits, and within fill limits where the embankments are to be made to a depth less than 4 feet below subgrade. Grub any other areas designated on the Plans or in the Special Provisions. Except in areas to be excavated, backfill stump holes and other holes with suitable materials and compact according to the Specifications.
201-3.04 HAND CLEARI NG. Cut and dispose of all trees, down timber, stubs, brush, bushes and
debris from all areas designated, with minimal disturbance to grass and/or moss cover. Do not use equipment on wheels or track s in areas designated as hand clearing, except as stated below. Where shown on the Plans, you may use a mechanical brush cutter, provided such work is performed within the time frame specified in the Special Provisions. Cut stumps flush with the ground. I n areas to be covered by least 4 feet of subgrade material, stumps may extend up to 12 inches above natural ground, except where geotextile is specified.
201-3.05 SELECTIVE T REE REMOVAL. Remove and dispose of selected trees, as designated
by the Engineer, and which are located outside the normal clearing and grubbing limits. The Engineer may designate the trees to be removed under this item at any time during the Contract life, subject to conditions in Subsection 201- 3.04, Hand Clearing. Cut off designated trees no more than 12 inches above the ground surface.
201-3.06 DISPOSAL. Dispose of all vegetation and debris removed by clearing or grubbing by
burning, burying, or other approved methods and at approved locations. 89 ALASKA 2020 Obtain the property owner’s written permission to dispose of vegetation and debris at locations outside the right -of-way limits and a waiver of all claims against the State for any damage to such land which may result. Obtain all permits required by law for such disposal. Furnish a copy of such permission, waiver of claims, and permits to the Engineer before commencing work. Do not burn when prevailing winds would produce a smoke hazard to traffic or disturb local communities. Place piles for burning in open spaces within the project, or in other spaces designated by the Engineer where no damage to trees, other vegetation or embankment stability will occur. Conduct all burning operations under the constant care of competent watchmen so that the surrounding forest cover or other adjacent property will not be jeopardized. Comply with applicable laws and ordinances regarding burning. Where shown on the Plans, you may dispose of clearing debris under 4 inches in diameter within the construction limits. Do this by spreading in an even layer, so th e material does not intrude into the upper 3 feet of subgrade. All merchantable timber in the clearing area at the beginning of construction becomes your property.
201-4.01 METHOD OF M EASUREMENT. See Section 109 and the following:
1.Acre. The area acceptably cleared and/or grubbed, measured on the ground surface. Only areas shown on the Plans or staked for clearing and/or grubbing will be measured. Existing roadways, lakes, ponds, stream beds, and other areas not covered by trees or brush will not be inc luded for measurement. Other areas which do not require clearing and/or grubbing will be so staked.
2.Each . The number of designated trees acceptably removed, regardless of size.
201-5.01 BASIS OF PA YMENT. Backfill and compaction of holes left from remova l of stumps or
other objects are subsidiary. Payment will be made under: PAY ITEM Item Number Item Description Unit 201.0001.____ Clearing ACRE 201.0002.____ Grubbing ACRE 201.0003.____ Clearing and Grubbing ACRE 201.0004.____ Hand Clearing ACRE 201.0005.____ Clearing and Grubbing State -Furnished Material Sources ACRE 201.0006.____ Selective Tree Removal EACH 201.0007.____ Clearing LS 201.0008.____ Grubbing LS 201.0009.____ Clearing and Grubbing LS 201.0010.____ Hand Clearing LS 201.0011.____ Clearing and Grubbing State -Furnished Material Sources LS 90 ALASKA 2020 SECTION 202 REMOVAL OF STRUCTURE S AND OBSTRUCTIONS
202-1.01 DESCRIPTION . Remove and dispose or salvage all buildings, fences, guardrail,
structures, old pavements, abandoned utilities and any other obstructions which are not designated or permitted to remain, except for the obstructions to be removed and disposed of under other items in the Contract. Backfill the resulting trenches, holes and pits. When the bid does not include pay items for removal of structures and obstructions as set out in this Section, perform such work under Section 203 or as specified. Remove and reset mailboxes and newspaper delivery tubes and the preserve from injury and defacement all vegetation and objects not scheduled t o be removed. Remove existing bridges as indicated on the Plans.
202-2.01 MATERIALS. Use materials that conform to the following:
Timber AASHTO M 168 (Hemlock, Douglas fir, Western Pine, or Sitka Spruce). Pressure treated per AASHTO M 133. Steel Pipe Stand ard Weight Steel Pipe, 2- inch (max.) diameter. Galvanized per AASHTO M 111. Steel Fasteners ASTM A307, Grade A. Galvanized per AASHTO M 232. Reflectors Yellow acrylic prismatic type meeting AASHTO M 290 or retroreflective sheeting meeting ASTM D4956, Type III, IV, or V. CONSTRUCTION REQUIREMENTS
202-3.01 GENERAL. Raze, remove, and dispose of, or salvage all buildings and foundations,
structures, fences, and other obstructions, any portions of which are within the right -of-way, except utilities and those for which other provisions have been made for removal. Fill basements, or cavities left by structure removal, to the level of the surrounding ground and, if within the prism of construction, compact backfill as specified under Section 203. Stockpile all mat erials which are designated for use on the project at approved locations. Burn or otherwise dispose of combustible debris as approved. Non- combustible debris or materials may be:
1.placed in embankments under the provisions of Subsection 203- 3.03 for placi ng rock in embankments (No metal pipes, wires, or cables may be placed in any embankment),
2.buried on the project, outside the embankment at approved locations, under a minimum covering of 2 feet of earth, or
3.disposed of outside the right -of-way limits, pr ovided that before disposing of such materials or debris on private or public lands, obtain from the owner of such land written permission for such disposal and a waiver of all claims against the State for any damage to such land which may result, together with all permits required by law for such disposal. Furnish a copy of such permission, waiver of claims, and permits to the Engineer before commencing work. Grade disposal areas to drain.
202-3.02 MAIL BOXES. Remove existing mail boxes and newspaper deliv ery tubes within the
project limits and temporarily reset them at approved locations. Install the boxes and tubes in such a position that their usefulness will not be impaired. After construction has been completed, install mail boxes and tubes to meet Al aska Standard Plans M -20 and M- 23. Repair or replace any posts, boxes, tubes or other material broken or damaged by the Contractor.
Source: Alaska Standard Specifications for Highway Construction, 2020 Edition. Pages 116–117 of 584.