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Delaware County Engineer 

PROJECT INFORMATION


2015 Road Improvement Program

 

Two-Week Construction Schedules:

(07-10-15)

(07-17-15)

(07-30-15)

(08-06-15)

(08-21-15)

(08-28-15)

(09-03-15)

 

Glossary of Terms:

Pavement Planing:  Grinding or milling of asphalt surfaces to remove existing asphalt surface in preparation for a new asphalt (blacktop) surface.

Stress Absorbing Membrane Interlayer (SAMI): A polymer modified liquid asphalt product applied to an existing surface to control cracking before an asphalt overlay.

Pavement Repair:  Spot removal and replacement of damaged pavement.

Paving:  Generally an asphalt (blacktop) overlay.

Chip and Seal:  A layer of stone aggregate (chips) over a coat of liquid asphalt emulsion tar (seal).  Done as an intermediate step before an asphalt overlay in order to seal cracks in existing pavement before the overlay, or as a final surface course.

Microsurfacing:  A mixture of asphalt and other mineral fillers that is applied in liquid form to existing pavement surfaces.  Seals cracks and provides a hard surface.  Requires closure of the road for approximately 2 hour.

Full Depth Reclamation:  Reconstruction of a road base by pulverization and stabilization, followed by a new asphalt and/or chip seal surface.  Requires closure of the road to through traffic for 7-10 days with local traffic maintained.

Slurry Seal:  Similar to microsurfacing but with a different combination of liquid asphalt and mineral fillers.  Generally used for low traffic streets.  Requires closure of the street for approximately 4 hours.

Project Description:
Resurfacing and preventive pavement maintenance on various county and township roads.

 

Road Closure Information:
Traffic to be maintained in the work zones using flaggers and a minimum of 1-lane, 2-way operation. Brief closures may also be required.


Project Schedule:
Design engineering: Fall 2014 to spring 2015
Right-of-way acquisition: None
Utility relocation: None
Construction: June to October 2015

 
Engineering Information:
Construction documents prepared by the Delaware County Engineer's Design Department.
 
Construction Information:
Awarded contractor is Shelly and Sands, Inc.

 

Estimated Project Cost:
Total project cost = $5.2 million (includes all county and township work)

 

 


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