ITEM 201 CLEARING AND GRUBBING
201.01
Description
201.02 General
201.03 Clearing
and Grubbing
201.04 Scalping
201.05 Method
of Measurement
201.06 Basis of
Payment
201.01 Description. This work
consists of clearing, grubbing, scalping, removing trees and stumps, and
removing all vegetation and construction debris from the limits shown on the
plans, except such objects that are to remain or are to be removed according to
other items of work.
Use
removed or excavated materials in the work when the material conforms to the
specifications; if not then recycle, burn, or dispose of the material according
to 105.16 and 105.17.
201.02 General
A.
Remove or save all trees, shrubs, and plants as designated on the plans.
Preserve all vegetation and objects not designated for removal. Paint cut
or scarred surfaces of trees or shrubs selected for retention according to 666.04.
B.
In order to retard and prevent the spread of destructive insects, including the
emerald ash borer and Asian longhorned beetle, limit
the movement of regulated articles according to Ohio Administrative Codes 901:5-56 and 901:5-57. Observe
requirements for handling and transporting of regulated articles in quarantined
areas as defined by the Ohio Department of Agriculture (www.agri.ohio.gov).
The following are
considered regulated articles and are subject to the quarantine established by
the Ohio Department of Agriculture:
1.
Deciduous trees of any size.
2.
Deciduous limbs and branches
3.
Any cut non-coniferous (non-evergreen) firewood.
4.
Deciduous tree bark and deciduous tree wood chips larger than 1 inch (25 mm).
5.
Deciduous logs and lumber with the bark, outer inch of sapwood, or both
attached.
6.
Any item made from or containing deciduous tree wood capable of spreading
emerald ash borer or Asian longhorned beetle.
7.
Any means of conveyance capable of spreading emerald ash borer or Asian longhorned beetle.
Follow all other
federal and state emerald ash borer and Asian longhorned
beetle quarantines.
C.
Restrictions on when the Contractor may perform the clearing and grubbing work
are located in other parts of the Contract Documents.
201.03 Clearing
and Grubbing.
Clear and grub all trees and stumps marked for removal and all surface objects,
brush, roots, and other protruding obstructions not designated to remain,
except for special treatments listed below:
A.
In locations to be seeded, remove stumps at least 6 inches (150 mm) below
ground surface.
B.
In unseeded areas to be rounded at the top of backslopes,
cut the stumps flush with or below the surface of the final slope line.
C.
The Contractor may leave undisturbed stumps and roots, and nonperishable solid
objects 6 inches (150 mm) above the existing ground surface in the plan
embankment construction locations when both of the following conditions are
true:
1.
The embankment height is greater than 9 feet (3 m) as measured vertically
from the existing ground surface to the proposed ground surface, and
2.
The slope of the existing ground is 8:1 or flatter.
D.
In locations outside of the construction limits of the cut and embankment areas
not to be seeded, the Contractor may leave sound stumps 24 inches (0.6 m) above
the existing ground surface.
Except
in areas to be excavated, backfill stump holes and other holes created by
removing obstructions with Item 203 embankment
material. Place and compact according to Item 203.
Remove
low hanging, unsound, or unsightly branches on trees or shrubs designated to
remain. Trim branches of trees extending over the roadbed to provide a
clear height of 20 feet (6 m) above the roadbed surface.
Dispose
of debris contaminated with garbage, solid waste, or hazardous waste or
material according to other contract items.
201.04 Scalping. Scalping
includes removing surface material such as roots, sod, grass,
residue of agricultural crops, sawdust, and decayed vegetable matter. The
depth of scalping does not include topsoil or other material below the scalping
operation. The Engineer will not require areas to be scalped in the plan
embankment construction locations when both of the following conditions are
true:
1.
The embankment height is greater than 9 feet (3 m) as measured vertically from
the existing ground surface to the proposed ground surface, and
2.
The slope of the existing ground is 8:1 or flatter.
Scalp
all other areas where excavation or embankment is required.
201.05 Method
of Measurement.
The Department will measure by one of the following methods:
If
Clearing and Grubbing is specified in the Contract, the Department will not
measure the area cleared and grubbed.
If
Item 201 Tree Removed or Item 201 Stump
Removed is specified in the Contract, the Department will measure trees and
stumps designated for removal according to the following table.
TABLE 201.05-1
Tree or Stump Diameter |
Pay Item Designation |
Over 12 inches to 24 inches |
18-inch size |
Over 24 inches to 36 inches |
30-inch size |
Over 36 inches to 60 inches |
48-inch size |
Over 60 inches |
60-inch size |
|
|
Over 0.3 m to 0.6 m |
0.5 m size |
Over 0.6 m to 0.9 m |
0.8 m size |
Over 0.9 m to 1.5 m |
1.2 m size |
Over 1.5 m |
1.5 m size |
The
Department will measure the diameter of trees at a height of 54 inches (1.4 m)
above the ground. Trees 12 inches (0.3 m) and less in diameter are
classified as brush. The Department will measure stumps by taking the
average diameter at the cutoff.
201.06 Basis
of Payment.
If Item 201 Clearing and Grubbing is specified in the
Contract, the Department will pay for all work described, including backfilling
holes, scalping, and removing all trees and stumps, at the lump sum price
bid. If Item 201 Tree Removed or Item 201 Stump Removed is specified in the Contract, the
Department will consider the remaining work described incidental and will not
pay for performing this work directly.
The
Department will pay for accepted quantities at the contract prices as follows:
Item
Unit
Description
201
Lump
Sum
Clearing and Grubbing
201
Each
Tree Removed, ___ Size
201
Each
Stump Removed, ___ Size