2010 Construction and Material Specifications - Ohio Department of ...

601
657.07
657.07 Pipe Drains. Drain tree wells with pipe starting on the original ground
surface and lay to drain beyond the toe of the fill. Install pipe for drains according
to Item 603.
657.08 Method of Measurement. The Department will measure Riprap for
Tree Protection by the number of square yards (square meters) in place, completed
and accepted. The Department will measure parallel to the face of the wells or
walls.
657.09 Basis of Payment. The Department will pay for embankment and
excavation under Item 203 and the pipe for drains under Item 603.
The Department will pay for accepted quantities at the contract price for as
follows:
Item Unit Description
657 Square Yard Riprap for Tree Protection
(Square Meter)
ITEM 658 TREE ROOT AERATION
658.01 Description
658.02 Materials
658.03 Preparation
658.04 Aeration for Trees Not Welled
658.05 Aeration with Tree Wells
658.06 Earth Embankment
658.07 Method of Measurement
658.08 Basis of Payment
658.01 Description. This work consists of furnishing and placing the
necessary aggregate and tile for the protection and aeration of the roots of trees and
shrubs.
Use removed or excavated materials in the Work when the material conforms to
the specifications; if not, then recycle or dispose of the material according to
105.16 and 105.17.
658.02 Materials. Furnish aggregate for tree root aeration and protection
consisting of No. 4 or 467 limestone or gravel with a maximum sodium soundness
loss of 15 percent.
Furnish 4-inch (100 mm) pipe conforming to 603 Type E conduit. Furnish
embankment conforming to Item 203.
658.03 Preparation. The feeding root area to be protected and aerated is the
ground surface area lying within the periphery of the tree or shrub not marked for
removal. Prepare these areas by excavating all vegetation, wood, brush, and
debris.
658.04 Aeration for Trees Not Welled. Where the earth fill is less than 12
inches (300 mm) and more than 4 inches (100 mm) over the feeding root area,