Attachment 19 - Undercut Drawings .pdf
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- Solicitation number
- FA446025R0002
About this file
This document is a detailed engineering drawing for pavement repair and construction at Little Rock Air Force Base in Arkansas. The drawing specifies a full depth asphalt repair section with multiple layers: a 2-inch asphalt concrete hot mix surface course, a 4-inch asphalt concrete hot mix binder course, a 12-inch Class 7 crushed stone base course, and an undercut section. The specification requires compaction to 95% standard Proctor, use of geotextile fabric (Mirafi 180N or equal), and a tack coat with full surface coverage. The contract includes an estimated 1,631 cubic yards of undercut, and key notes emphasize the need for traffic control, proof roll subgrade testing in the presence of a base engineer, and adherence to Arkansas Department of Transportation (ARDOT) standard specifications.
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12" OF CLASS 7 CRUSHED STONE BASE COURSE
(STANDARD SPECIFICATIONS FOR HIGHWAY
CONSTRUCTION, SECTION 303) COMPACTED TO
95% STANDARD PROCTOR (ASTM D698)
AP
PR
O X.
6"
TACK COAT, AHTD SPEC SECTION 401
FULL SURFACE COVERAGE
FULL DEPTH ASPHALT REPAIR SECTION DETAIL
UNDERCUT AS REQUIRED BY PROOF ROLL TEST
APPROX. 18" OF 3" BASE. DENSITIES REQUIRED PER
CLASS 7 BASE COURSE REQUIREMENTS.
GEOTEXTILE FABRIC - MIRAFI 180N OR EQUAL, TYPE 1,
MINIMUM 12" LAPS SHALL BE PLACED UNDER THE 3"
BASE.
2" ASPHALT CONCRETE HOT MIX
SURFACE COURSE (ARDOT
STANDARD SPECIFICATIONS
SECTION 407, 1/2-INCH, PG-70-22)
4" ASPHALT CONCRETE HOT MIX
BINDER COURSE (ARDOT
STANDARD SPECIFICATIONS
SECTION 406, 1-INCH, PG-70-22)
NOTES:
1. PROVIDE ALL TRAFFFIC CONTROL AS REQUIRED.
2. PROOF ROLL SUBGRADE PRIOR TO PLACEMENT OF
BASE COURSE IN PRESENCE OF BASE ENGINEER.
UNDERCUT
3. THIS CONTRACT INCLUDES AN ESTIMATED 1631
CUBIC YARDS OF UNDERCUT.
C1
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ARKANSAS
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APP'D
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LITTLE ROCK A.F.B.
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CONSTRUCT ARNOLD GATE PAVEMENTS
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NKAK 23-1040
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ARNOLD PAVEMENT SECTION
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| ARNOLD REPAIR |
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