DOT_Pavement_Repair_Detail.pdf
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- Solicitation number
- IFB# 26-014
- Issued by
- New London County, Connecticut
About this file
This file contains pavement repair technical specifications and design details from the Connecticut Department of Transportation (CTDOT) for highway maintenance and reconstruction projects. The document provides comprehensive guidance on pavement repair procedures for both bituminous and Portland Cement Concrete (PCC) pavements, detailing specifications for trench repairs, material requirements, and restoration standards across various traffic levels and pavement conditions.
The technical specifications outline repair methodologies for trenches of varying widths (6 inches to greater than 12 inches) through existing bituminous and concrete pavements, with detailed requirements for compaction, lift placement, and joint sealing. Key specifications include the use of HMA S0.5 and HMA S1.0 materials placed in controlled lifts of 2 to 5 inches, processed aggregate base material compacted in 4-inch lifts, and minimum pavement thickness requirements ranging from 2 to 6 inches depending on traffic levels and existing conditions. The document includes Table 1, which establishes minimum slab length requirements for longitudinal and transverse trenching through jointed concrete pavements, ranging from full slab removal for slabs 15 feet or shorter to removal of one-quarter slab length for slabs 40 feet or longer. All specifications reference Traffic Level 2 standards and require proper edge preparation, tack coat application, and joint sealing after paving to ensure pavement integrity and longevity.
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Text version
AND SEAL JOINT AFTER PAVING (TYP.)
SAW CUT EDGE, TACK COAT,
(PLACED IN TWO EQUAL LIFTS)
4" HMA S0.5 TRAFFIC LEVEL 2
CONCRETE PAVEMENT
EXISTING BITUMINOUSGREATER THAN 12"
TRENCH WIDTH
12" 12"
AND SEAL JOINT AFTER PAVING (TYP.)
SAW CUT EDGE, TACK COAT,
CONCRETE PAVEMENT
EXISTING BITUMINOUS
CONCRETE PAVEMENT
EXISTING BITUMINOUS
SEAL JOINT AFTER PAVING (TYP.)
SAW CUT EDGE, TACK COAT, AND
EXISTING PCC PAVEMENT TRENCH WIDTH
12" 12" CONCRETE PAVEMENT
EXISTING BITUMINOUS
20" (30" IN ROCK CUT)
6" TO 12"
12" 12" CONCRETE PAVEMENT
EXISTING BITUMINOUS
AFTER PAVING (TYP.)
COAT, AND SEAL JOINT
SAW CUT EDGE, TACK
GREATER THAN 12"
TRENCH WIDTH
(SEE NOTE 1)
FOR JOINTED CONCRETE PAVEMENT
LONGITUDINAL TRENCHING
(SEE NOTE 2)
FOR JOINTED CONCRETE PAVEMENT
TRANSVERSE TRENCHING
EDGE OF SLAB
TRENCH
TRAVEL
DIRECTION OF
TRAVEL
DIRECTION OF
EDGE OF SLAB
TRENCH
(SEE TABLE 1)
REMAINING
MIN. LENGTH
LENGTH (L)
TOTAL SLAB
TRAVEL
DIRECTION OF
TRAVEL
DIRECTION OF
TRENCH WIDTH (TW) TRENCH WIDTH (TW)
TRENCH WIDTH (TW)
TRENCH WIDTH (TW)
TRENCH WIDTH (TW)
TRENCH THROUGH BITUMINOUS CONCRETE
PERMANENT PAVEMENT FOR
(TRENCH WIDTH GREATER THAN 12")
TRENCH THROUGH BITUMINOUS CONCRETE
TEMPORARY PAVEMENT FOR
(TRENCH WIDTH GREATER THAN 12")
THROUGH OVERLAID PORTLAND CEMENT CONCRETE (PCC)
TEMPORARY PAVEMENT FOR TRENCH
(TRENCH WIDTH GREATER THAN 12")
THROUGH OVERLAID PORTLAN CEMENT CONCRETE (PCC)
PERMANENT PAVEMENT FOR TRENCH
MATERIAL COMPACTED IN 4" LIFTS
PROCESSED AGGREGATE BASE
MATERIAL COMPACTED IN 4" LIFTS
PROCESSED AGGREGATE BASE
MATERIAL COMPACTED IN 4" LIFTS
PROCESSED AGGREGATE BASE
MATERIAL COMPACTED IN 4" LIFTS
PROCESSED AGGREGATE BASE
MATERIAL COMPACTED IN 4" LIFTS
PROCESSED AGGREGATE BASE
PCC PAVEMENT
EXISTING
GREATER THAN 12"
CONCRETE PAVEMENT
EXISTING BITUMINOUS
SEAL JOINT AFTER PAVING (TYP.)
SAW CUT EDGE, TACK COAT, AND
6" TO 12"
TRENCH WIDTH (TW)
MATERIAL COMPACTED IN 4" LIFTS
PROCESSED AGGREGATE BASE
20" (30" IN ROCK CUT)
20" (30" IN ROCK CUT)
OR PCC PAVEMENT
EXISTING BITUMINOUS
OR PCC PAVEMENT
EXISTING BITUMINOUS
(TRENCH WIDTH BETWEEN 6" AND 12"
OR OVERLAID PORTLAND CEMENT CONCRETE (PCC)
THROUGH BITUMINOUS CONCRETE
PERMANENT PAVEMENT - FOR NARROW TRENCH
(TRENCH WIDTH BETWEEN 6" AND 12")
OVERLAID PORTLAND CEMENT CONCRETE (PCC)
THROUGH BITUMINOUS CONCRETE OR
TEMPORARY PAVEMENT - FOR NARROW TRENCH
AFTER PAVING (TYP.)
TACK COAT, AND SEAL JOINT
EQUAL LIFTS)
(PLACED IN TWO
TRAFFIC LEVEL 2
4" HMA S0.5
EQUAL LIFTS)
(PLACED IN TWO
TRAFFIC LEVEL 2
4" HMA S0.5
20" (30" IN ROCK CUT)
PORTLAND CEMENT CONCRETE SLAB (TYP.)
LONGITUDINAL JOINT
SLAB CENTERLINE
TRANSVERSE JOINT
PORTLAND CEMENT CONCRETE SLAB (TYP.)
LONGITUDINAL JOINT
TRANSVERSE JOINT
TRANSVERSE JOINT
20" (30" IN ROCK CUT)
TRANSVERSE ENDS OF THE TRENCH
TRAFFIC LEVEL 2, AND SAWCUT
TRAFFIC LEVEL 2 OR, 2" HMA S0.5
MILL 2" THEN PLACE, 2" HMA S0.375
TACK COAT EDGE (TYP.)
TACK COAT EDGE (TYP.)
S0.5 TRAFFIC LEVEL 2
FINAL LIFT SHALL BE 2" HMA
SHALL BE 4"
PAVEMENT THICKNESS
MINIMUM COMPACTED
MULTIPLE 2" - 3" LIFTS
TRAFFIC LEVEL 2 IN
USING HMA S0.375
PAVEMENT THICKNESS
MATCH EXISTING
SHALL BE 6"
PAVEMENT THICKNESS
MINIMUM COMPACTED
FINAL LIFT SHALL BE 2"
MULTIPLE 2" - 3" LIFTS
TRAFFIC LEVEL 2 IN
THICKNESS USING HMA S0.5
MATCH EXISTING PAVEMENT
MULTIPLE 2" - 3" LIFTS
TRAFFIC LEVEL 2 IN
USING HMA S0.5
PAVEMENT THICKNESS
MATCH EXISTING
20" (30" IN ROCK CUT)
GREATER THAN 12"
TRENCH WIDTH
TABLE 1
TOTAL SLAB LENGTH (L) MIN. LENGTH REMAINING
40' OR LONGER 1/4 L
15' - 40' 10'
15' OR SHORTER REBUILD TO NEAREST JOINT
1. LONGITUDINAL TRENCHING FOR JOINTED CONCRETE PAVEMENT:
2. TRANSVERSE TRENCHING FOR JOINTED CONCRETE PAVEMENT:
A.
A.
WITH THE FINAL LIFT BEING 2"
b. PLACE HMA S0.5 TRAFFIC LEVEL 2 IN 2" - 3" LIFTS TO MATCH EXISTING BITUMINOUS CONCRETE PAVEMENT THICKNESS,
a. PLACE HMA S1.0 TRAFFIC LEVEL 2 IN TWO EQUAL 4" - 5" LIFTS TO MATCH EXISTING CONCRETE PAVEMENT THICKNESS
CONCRETE PAVEMENT TO THE EDGE OF ROAD. IN EITHER CASE REBUILD WITH THE FOLLOWING:
FALLS BETWEEN THE LONGITUDINAL JOINT AND THE SLAB CENTERLINE, REMOVE THE ENTIRE CONCRETE SLAB AND BITUMINOUS
AND BITUMINOUS CONCRETE PAVEMENT FROM THE TRENCH EDGE TO THE EDGE OF ROAD. IF THE LONGITUDINAL TRENCH
IF THE LONGITUDINAL TRENCH FALLS BETWEEN THE SLAB CENTERLINE AND THE EDGE OF SLAB, REMOVE CONCRETE
WITH THE FINAL LIFT BEING 2"
b. PLACE HMA S0.5 TRAFFIC LEVEL 2 IN 2" - 3" LIFTS TO MATCH EXISTING BITUMINOUS CONCRETE PAVEMENT THICKNESS,
a. PLACE HMA S1.0 TRAFFIC LEVEL 2 IN TWO EQUAL 4" - 5" LIFTS TO MATCH EXISTING CONCRETE PAVEMENT THICKNESS
TO THE NEAREST TRANSVERSE JOINT SHALL BE REMOVED AND REBUILT AS FOLLOWS:
NEAREST TRANSVERSE JOINT. IF THIS CRITERIA CANNOT BE MET, THE EXISTING SLAB AREA FROM THE TRENCH EDGE
FOR TRANSVERSE TRENCHES, THE MINIMUM SLAB LENGTH AS SHOWN IN TABLE 1 SHALL BE LEFT IN PLACE TO THE
GENERAL NOTES:
PROJECT TITLE: PROJECT NO.: DRAWING NO.:
SHEET NO.:
10/30/2024
SIGNATURE BLOCK: DRAWING TITLE:
TOWN(S):
VARIOUSTEST PROJECT
PLOTTED DATE:
C:\Users\KIlpatrickdj\State of Connecticut\DOT Engineering Services - Documents\HWY_STD_GUIDE_DWG\B - Going for signatures\Jan 2025 Stnd & Guide Shts\CTDOT_HIGHWAY_GD Jan 2025 [10-30-24].dgn FILE NAME: kilpatrickdj LASTED SAVED BY:
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DESIGNER/DRAFTER: CHECKED BY:
PAVEMENT REPAIR
TRANSPORTATION
DEPARTMENT OF
CONNECTICUT
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