January 10, 2019 Page 10
20190110 Bid Item Defintions.docx 3066.09
c. Low-Permeability Soil includes furnishing, placing, and compacted a 12-inch thick lift of
Screened Till within Pond 6 and the Forebay as shown on the Drawings.
Payment for this Bid Item will be made per cubic yard of material placed based on pre-
and post-stockpiling surveys performed by CONTRACTOR and approved by OWNER.
OWNER may perform its own surveys to evaluate the quantity for payment.
d. Spillway includes furnishing and installing the spillway for the Stormwater Basin as
shown on the Drawings and as specified. This Bid Item includes excavating soil to form
the riprap-lined spillway and placing the nonwoven geotextile and riprap.
Payment for this Bid Item will be on a lump sum basis for a complete installation.
e. Wetland Plantings includes furnishing and installing the wetland plants within the
Stormwater Basin as shown on the Drawings.
Payment will be made on a lump sum basis once a satisfactory stand of vegetation is
established as determined by OWNER.
f Modifying the Existing Discharge Structure includes increasing the diameter of the second
row of orifices in the outlet structure from 3 inches to 6 inches as indicated on the
Drawings.
Payment for this Bid Item will be on a lump sum basis.
g. Level Spreader includes furnishing and installing the level spreader for the Stormwater
Basin as shown on the Drawings and as specified. This Bid Item includes excavating soil
and placing crushed stone.
Payment for this Bid Item will be on a lump sum basis.
Bid Item No. 18 Riprap-Lined Swale
This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
perform earthwork necessary to grade the swale and install riprap lining where indicated
on the Drawings. This Bid Item includes, but is not limited to, furnishing and installing the
nonwoven geotextile as shown on the Drawings.
Payment for this Bid Item will be on a linear foot basis for the riprap-lined swale section
constructed.
Bid Item No. 19 Geomembrane-Lined Swale
This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to install
geomembrane-lined swales at the various lengths and dimensions indicated on the Drawings
SANBORN ll HEAD
