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Paving Specifications

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EAPD Standard Paving Sections For Routine Site Access Improvements

NOTE: Refer to 7.2 for the definition of "Routine Site Access Improvements" and refer to 15.8.2 for limitations in applicability of these paving sections.

Normal Duty HMA Paving Sections

Highway Functional Classification: Collector or Lower
AND
ADT: 10,000 or less
A 1 1/2" Hot Mix Asphalt Superpave 9.5mm, PG 64-22, Level 2
6" Hot Mix Asphalt Superpave 19.0 mm for Base, PG 64-22, Level 2 (2-3" lifts)
6" Base Course Using Graded Aggregate
B 1 1/2" Hot Mix Asphalt Superpave 9.5mm, PG 64-22, Level 2
8" Hot Mix Asphalt Superpave 19.0 mm for Base, PG 64-22, Level 2
(1-3" lift and 2-2.5" lifts)Note: Use of this option is limited to entrances proper and where well-drained, sandy soils are present.
C 1 1/2" Hot Mix Asphalt Superpave 9.5 mm, PG 64-22, Level 2
6" Hot Mix Asphalt Superpave 19.0 mm for Base, PG 64-22, Level 2 (2-3" lifts)
12" Capping Borrow

Heavy Duty HMA Paving Sections

Functional Classification: Arterial
AND/OR
ADT: 10,000 or greater
D 2” Hot Mix Asphalt Superpave 12.5 mm for Surface, PG 64-22, Level 2
6” Hot Mix Asphalt Superpave 19.0 mm for Base, PG 64-22, Level 2 (2 – 3” lifts)
12” Base Course Using Graded Aggregate (2 – 6” lifts)
E 2” Hot Mix Asphalt Superpave 12.5 mm for Surface, PG 64-22, Level 2
3” Hot Mix Asphalt Superpave 19.0 mm for Base, PG 64-22, Level 2
7” Hot Mix Asphalt Superpave 25.0 mm, PG 64-22, Level 2
(1 – 4” lift and 1 – 3” lift)
F 2” Hot Mix Asphalt Superpave 12.5 mm for Surface, PG 64-22, Level 2
8” Hot Mix Asphalt Superpave 19.0 mm for Base, PG 64-22, Level 2
(1 – 3” lift and 2 – 2.5” lifts)
12” Capping Borrow

Rigid Pavement Sections

Matching Existing Rigid Pavement
G 9” Portland Cement Concrete Mix #7
6” Base Course Using Graded Aggregate
18” long #8 dowel bars placed 12” on center for load transfer, 6” from longitudinal joint
Maximum joint spacing = 15 feet, no mid slab reinforcement
14” long #4 “J” tie bars placed 36” on center

Miscellaneous Paving Specifications

Concrete Entrances 8" Plain Portland Cement Concrete Pavement
For entrances proper.
Temporary Construction Entrances 8” of 2” (nominal) stone, or reclaimed or recycled concrete equivalent, placed on filter cloth.
For temporary stabilized construction entrances.
Overlay
  • HMA Superpave 9.5 mm, PG 64-22, Level 2, for 1-1/2” overlays
  • HMA Superpave 12.5 mm, PG 64-22, Level 2, for 2” overlays
  • Match the surface course specified for the adjacent full depth paving if different from the above.
Wedge/ Level Course
  • HMA Superpave 9.5 mm, PG 64-22, Level 2, maximum lift thickness of 1 ½”.
  • Maximum of 3 lifts may be used. Otherwise, full depth paving is required.
Pavement Patching HMA Superpave 19.0 mm for (Partial/Full-Depth) Patch, PG 64-22, Level 2

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Maryland Department of Transportation

 

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