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General

409409.5.3.2 Chip Seal

WY · 2021 Standard SpecificationsBook pages 00View official source ↗

1 The engineer may adjust payment as follows:

1.Operations. If the roadway is not open to unrestricted traffic flow as specified, the

engineer will assess liquidated damages of $125 per hour for each hour or partial hour after 36 hours.

2.Aggregate. The payment for chip seal will be adjusted based on the following

equation: PAA = (PFA - 1.00) (LSA) (CS) Where:

PAA = Pay Adjustment for Aggregate Gradation ($$) PFA = Aggregate Gradation Pay Factor for evaluated lot LSA = Lot Size for evaluated lot (SY [m2]) CS = Contract Unit Price of the Chip Seal pay item ($$/SY [$$/m2])

312

Microsurfacing

410.1DESCRIPTION

1 This section describes the requirements for applying microsurfacing material.

410.2MATERIALS

1 Provide materials in accordance with the following:

Material Aggregate for Microsurfacing Cement Hydrated Lime Polymer-Modified Emulsified Asphalt Water

Subsection 803 801 820 804.3 814

Provide polymer-modified, quick-set CQS-1HP emulsified asphalt; commercially available type I or type II portland cement or hydrated lime; and other additives as needed to accelerate or retard the breaking point and set times or improve the resulting finished surface.

410.3EQUIPMENT

410.3.1 Emulsified Asphalt

1 Provide tank trucks and on-site storage tanks in accordance with Subsection 407.3,

Equipment. 410.3.2 Microsurfacing

Provide a self-propelled, continuous load paver (manufactured exclusively for microsurfacing application) that is a continuous-flow mixing unit capable of accurately delivering proportionate amounts of aggregate, emulsified asphalt, cement, additives, and water to a revolving multi-blade, twin-shafted mixer, and of discharging a continuous flow of thoroughly mixed product. Equip the machine with:

1.Sufficient storage capacity for aggregate, emulsified asphalt, cement, additives,

and water to maintain an adequate supply to the proportioning controls during nurse vehicle exchange;

2.Self-loading devices that provide for the loading of materials while continuously

applying microsurfacing;

313

Microsurfacing

Source: Wyoming Standard Specifications for Road and Bridge Construction, 2021 Edition. Pages 00 of 771.