184 SECTION 265
265.01 Description
This work consists of installing, maintaining, and removing a stabilized construction access where equipment enters a public roadway.
265.02 Equipment
Reserved.
265.03 M Aterials
A.Aggregate. Provide aggregate that has 90 percent fractured faces and meets the following gradation: Sieve Size Percent Passing 4 Inch 100 2 Inch 0
B.Geosynthetic Fabric. Material Section R1 Fabric 858
265.04 Construction Requirements
A.General. Remove topsoil before construction of stabilized construction access. If the access restricts water flow, provide temporary drainage through the stabilized construction access.
B.Maintenance. Maintain the stabilized construction access so that it retains its effectiveness. Add material as specified in Section 265.03 A, “Aggregate” as needed.
C.Removal. After removal, restore the disturbed area to its original condition. Perform topsoil work as specified in Section 203.04 B, “Topsoil” . Place the type of seed specified in the plans. If no seed is specified use Class II seed mixture. Place seed mixture as specified in Section 251.02, “Equipment” ; 251.03, “Materials” ; and 251.04, “Construction Requirements” . Place mulch as specified in Section 253.02, “Equipment” ; 253.03, “Materials” ; and 253.04, “Construction Requirements” .
265.05 Method of Measurement
The Engineer will measure as specified in Section 109.01, “Measurement of Quantities”. 185 265.06 BASIS OF PAYMENT Pay Item Pay Unit Stabilized Construction Access Each Include the cost for pipe, geosynthetic material, topsoil, and seed in the price bid for “Stabilized Construction Access”. The Engineer will pay 50% of each access upon initial installation and the remaining 50% upon removal and restoration of the area to its original condition. Such payment is full compensation for furnishing all materials, equipment, labor, and incidentals to complete the work as specified. In-Depth Review 2022 Section 302 186 SECTION 302 AGGREGATE BASE AND SURFACE COURSE
302.01 Description
This work consists of furnishing and placing aggregate or salvaged material on a prepared foundation.
302.02 Equipment
Equipment Section Pneumatic -Tired Rollers 151.01 Vibratory Sheeps Foot/Pad Foot/Extended Pad Foot Rollers 151.02 Water Trucks 152.01 B Aggregate Trucks 152.01 C Roadbed Planers 153.02
302.03 Materials
Material Section Aggregates 816 Salvaged Base Course 817 Traffic Service Aggregate 816 Class 5 ; or 817 When the plans specify a class of aggregate for the base, the Contractor may substitute Salvaged Base Course that meets Section 817, “Salvaged Base Course.”
302.04 Construction Requirements
A.Acceptance of Aggregate.
1.General. The requirements of Section 302.04 A.3, “Miscellaneous Properties”, will not apply to salvaged base course.
2.Gradation. The Engineer will collect three samples for each 1,000 tons of material placed with a maximum of three samples collected in one day . The three samples constitute one lot of material. If the aggregate fails to meet the specified gradation, the Engineer will apply a price reduction as specified in Section 302.06 B, “Contract Price Adjustments” . Halt aggregate placement operations if two consecutive lots deviate from the specified gradation. Restart placement operations after taking corrective actions and passing a gradation test.
Source: North Dakota Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 219–220 of 550.