SECTION 401
thickness to retain heat and to protect it from weather conditions. The cover material when new shall weigh a minimum of 18
oz/yd? and it shall be a tightly woven or solid material. When necessary, so that the mixture can be delivered on the project at
the specified temperature, truck beds shall be insulated, and covers shall be securely fastened.
3.10 Placing — General.
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3.6 Mixing Temperature.
3.6.1 Method Requirements.
3.6.1.1. The Engineer may adjust the job mix formula temperature within the limits of 260° and 350°F according to the
existing conditions. Material with a temperature at discharge outside the job mix formula tolerance may be rejected. In no case
will a mixture be accepted with a discharge temperature in excess of 375°F.
SECTION 401
3.5 Drum Mix Plants — General.
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3.3.2 Suitable means shall be provided, either by steam or oll jacketing or insulation, for maintaining the specified
temperatures of the asphalt binder in the pipelines, meters, weigh buckets, spray bars, and other containers or flow line.
3.4 Baiching Pianis — General.
3.4.1 All aggregate shall be delivered by belt driven feeders. All feeders shall provide for adjustment of the cold feed and
shall be capable of being secured in any position.
SECTION 401
(m) Desk brush and floor broom.
(n) Sample splitter (riffle type), chute width 1- 1/2 to 2”
(0) Microwave oven when drum mix plant is used.
(p} Minimum of one metal sample pail for each hot bin.
(q) Lavatory with toilet (See 698.2.2.4) and wash basin, unless approved otherwise.
(r) Water, hot and cold, and water suitable for drinking. (Fountain style will be acceptable),
(s) Telephone with private line.
(t) Drying oven, minimum of 3.5 fe.*
(u) Equipment sufficient to perform AASHTO T 209.*
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3.1.4.5 When the plant is to be operated in other than daylight hours, adequate lighting shall be provided in all areas
frequented by the inspector during his normal routine. Specific areas to be illuminated include the truck loading zone and
sampling location. A light or lights shall also be located so as to allow the clear observance of the truck bady lubrication
operation.
SECTION 404
Requirements for Pavement Joint Adhesive
Property Test Method Requirement
Cone Penetration, 25°C ASTM D 5329 60 -100
“Flow,60°C ASTM D 532900 Ss mm maximum
“Resilience, 25°C = ASTM 532900 30% minimum
‘Ductility,4¢C ASTM D113 30 cm minimum ~
“Tensile Adhesion, 25°C ASTM D5329) 500% minimum
SofteningPoint = = = ASIMD36 9 77?Cminimum —
Asphalt Compatibility = ==ASTMD5329 ——séPass—
Construction Requirements
3.1 Mixing Plants.
3.1.1 General.
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2.7.2. The general composition limits given in Table 411-1 indicate target value ranges of mixtures permissible under
Section 411. The job mix formula shall lie within the target value ranges indicated for the particular type of hot asphalt mix.
2.8 General - Bridge pavement base course shail be 3/8” wearing course.
SECTION 401
2.5.4 Whenever the aggregate properties change enough to negate the project’s existing design, a new design shall be
submitted.
