1.5
BASIS OF PAYMENT
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NOTE: For unit-price contracts, include first
paragraph and delete the second paragraph. For
lump-sum contracts, delete the first paragraph and
include the second paragraph. Include presciptive
unit price based on the Government/Engineer estimate
for payment adjustment. Lump-sum contracts should
not be used when the job exceeds 1000 metric tons
(tons).
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[Quantities of hot-mix aspalt, determined as specified above, will be paid
for at respective contract unit prices or at reduced prices adjusted in
accordance with paragraph MATERIAL ACCEPTANCE AND PERCENT PAYMENT. Payment
shall constitute full compensation for furnishing all materials, equipment,
plant, and tools; and for all labor and other incidentals necessary to
complete work required by this section of the specification.] [The measured
quantity of hot-mixed asphalt will be paid for and included in the lump-sum
contract price. If less than 100 percent payment is due based on the pay
factors stipulated in paragraph MATERIAL ACCEPTANCE AND PERCENT PAYMENT, a
unit price of [_____] per ton shall be used for purposes of calculating the
payment reduction.]
1.6
ASPHALT MIXING PLANT
Plants used for the preparation of hot-mix asphalt shall conform to the
requirements of ASTM D 995 with the following changes:
a. Truck Scales. The asphalt mixture shall be weighed on approved
scales furnished by the Contractor, or on certified public scales at
the Contractor's expense. Scales shall be inspected and sealed at
least annually by an approved calibration laboratory.
b. Testing Facilities. The Contractor shall provide laboratory
facilities at the plant for the use of the Government's Engineer's
acceptance testing and the Contractor's quality control testing.
c. Inspection of Plant. The Contracting Officer Engineer shall have
access at all times, to all areas of the plant for checking adequacy of
equipment; inspecting operation of the plant; verifying weights,
proportions, and material properties; checking the temperatures
maintained in the preparation of the mixtures and for taking samples.
The Contractor shall provide assistance as requested, for the Government
Engineer to procure any desired samples.
d. Storage Bins. The asphalt mixture may be stored in non-insulated
storage bins for a period of time not exceeding 3 hours. The asphalt
mixture may be stored in insulated storage bins for a period of time
not exceeding 8 hours. The mix drawn from bins shall meet the same
requirements as mix loaded directly into trucks.
1.7
HAULING EQUIPMENT
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NOTE: A material transfer vehicle has been shown to
provide a pavement with improved smoothness and less
SECTION 02749
Page 9
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