Q333 - Trench Details.pdf
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- Attached to
- Z2DA--626A4-22-700 EHRM Infrastructure Upgrades Construction Murfreesboro, TN Federal contract opportunity
- Solicitation number
- 36C77625R0066_1
About this file
These are technical drawings from the Department of Veterans Affairs (VA) detailing three different types of utility trench pavement patches for road and pavement repair after utility work. The documents provide precise specifications for patching trenches of varying widths in asphalt and concrete pavements, including:
Type 1 Utility Trench Patch: For trench widths up to 4 feet (1219mm), requiring saw-cut existing asphalt, tack coat, asphaltic concrete overlay, and a minimum 4-inch (100mm) aggregate base course (ABC) with 100% compaction. Type 2 Utility Trench Patch covers trenches wider than 4 feet, with patch width determined by agency requirements and potentially using granular material or Portland cement concrete (PCC). Both patch types specify minimum pavement restoration depths, recommend bituminous surface treatment for longitudinal trenches over 6 feet wide, and reference additional VA standard details for comprehensive guidance. The technical drawings are dated December 2008 and provide non-scale (NTS) visual representations of the specified repair methodologies.
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Text version
FOR TRENCH WIDTHS EXCEEDING 4' [1219mm] REFER TO VA
STANDARD DETAIL 32 12 16-02 "TYPE 2 UTILITY TRENCH PATCH".
FOR TRENCH WHERE PORTLAND CEMENT CONCRETE (PCC) PAVEMENT
EXISTS, REFER TO 32 12 16-03 "TYPE 3 UTILITY TRENCH PATCH".
2" [50mm] MINIMUM OR THICKNESS OF EXISTING PAVEMENT
WHICHEVER IS GREATER.
BITUMINOUS SURFACE TREATMENT (CHIPSEAL) REQUIRED ONLY FOR
LONGITUDINAL TRENCHES WITH WIDTHS GREATER THAN 6' [1829mm].
4" [100mm] MINIMUM ABC OR THICKNESS OF EXISTING GRANULAR
BASE COURSE MATERIALS (E.G. ABC & SELECT MATERIAL) WHICHEVER
IS GREATER.
REFER TO VA STANDARD DETAIL 32 12 16-04 "UTILITY TRENCH
PAVEMENT PATCH NOTES" FOR ADDITIONAL INFORMATION.
TYPE 1 UTILITY TRENCH PATCH
NTS
4'-0" MAX.
[1219mm]
1'-0" MAX.
[305mm]
1'-0" MAX.
[305mm]
TRENCH
BACKFILL
ABC 100% MIN.
COMPACTION
ASPHALTIC CONCRETE
SAW CUT EXISTING.
ASPHALT FULL
DEPTH BOTH SIDESTACK COAT (TYP.)
EXISTING
PAVEMENT
SCALE :
CAD DETAIL NO.: DATE ISSUED:
DETAIL TITLE / TYPE 1 UTILITY TRENCH PATCH
SD321216-01.DWGDECEMBER 2008
NONE
4" [100mm] MINIMUM ABC OR THICKNESS OF EXISTING GRANULAR
BASE COURSE MATERIALS (E.G. ABC & SELECT MATERIAL) WHICHEVER
IS GREATER.
PORTLAND CEMENT CONCRETE (PCC) THICKNESS EQUAL TO EXISTING.
FOR TRENCH WIDTHS 4' [1219mm] OR LESS REFER TO VA
STANDARD DETAIL 32 12 16-01 "TYPE 1 UTILITY TRENCH PATCH".
FOR TRENCH WHERE PORTLAND CEMENT CONCRETE (PCC) PAVEMENT
EXISTS, REFER TO 32 12 16-03 "TYPE 3 UTILITY TRENCH PATCH".
2" [50mm] MINIMUM OR THICKNESS OF EXISTING PAVEMENT
WHICHEVER IS GREATER.
BITUMINOUS SURFACE TREATMENT (CHIPSEAL) REQUIRED ONLY FOR
LONGITUDINAL TRENCHES WITH WIDTHS GREATER THAN 6' [1829mm].
REFER TO VA STANDARD DETAIL 32 12 16-04 "UTILITY TRENCH
PAVEMENT PATCH NOTES" FOR ADDITIONAL INFORMATION.
TYPE 2 UTILITY TRENCH PATCH
NTS
TRENCH WIDTHS
GREATER THAN
4'-0" [1219mm]
TRENCH
BACKFILL
SAW CUT EXISTING.
ASPHALT FULL
DEPTH BOTH SIDESTACK COAT (TYP.)
EXISTING ASPHALT
CONCRETE PAVEMENT
PATCH WIDTH IN
ACCORDANCE WITH
AGENCY
REQUIREMENTS
GRANULAR MATERIAL
OR PCC
SCALE :
CAD DETAIL NO.: DATE ISSUED:
DETAIL TITLE / TYPE 2 UTILITY TRENCH PATCH
SD321216-02.DWGDECEMBER 2008
NONE
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