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Paving History

In the years prior to 2017, the City paved 6 to 8
miles annually.

The City embarked on a $75 Million, 10 year
paving plan. The first half of the program was
funded (R-17-092).

The first 5 years resurfaced ~113 miles of
roadways

Average PCI increased from 67.5 to 78.4

Legend

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ae Paving History 2016 -2020

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Pavement Network
& Management

¢ The City currently maintains 311 publicly accepted
miles of roadway

¢ Atleast 33% of the City’s network (~100 miles) is
reinspected annually

¢ All roadways in the City have a condition score
called a PCI (Pavement Condition Index)

¢ PCl’s are a0 to 100 score which are calculated
based on observed pavement distresses

¢ Analysis of condition, modeled deterioration,
needed repairs, and funding needs are updated
annually

Legend

— 20119
— 2020
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Pavement Data Collection by Year

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Treatment Band Examples

Danforth Road (D.W. Highway to Dead End)

West Hollis Ste et (Marina Drive - City Lim it)

Timbenine Drive (CollierC our to Bracken woods Drive)

eda
MAINTENANCE

ROUTINE
MAINTENANCE

DO
NOTHING

¢ The goal of Pavement
Management is to optimally
repair a roadway before its
repair cost significantly
increases.

¢ Treatment band guidelines
help determine which repair
treatment a roadway should
get based on its PCI.

a elon te v1 ie ; BASE
IMPROVEMENT REHABILITATION

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Work Completed
to Date

¢ The City has resurfaced over 113 in the first
five years on 520 streets.

¢ The City has crack sealed over 102 miles in
the first five years on 400 streets.

¢ Average PCI increased 11 points.

80

Historical PCI

75

78.4

70

67.5

65

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Spending Categones

FY 2022

10% Routine
Maintenance

20% Base
Rehabilitation

20% Preventative
Maintenance

50% Structural
Improvement

Spending categories are
adjusted annually based on
network conditions and needs.

Routine and Preventative
Mamtenance Treatments

Crack Seal

Fog Seal

PROJECT UPDATE

Micro Surfacing

Bonded Wearing Course

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Coordination Efforts

« City of Nashua — Sewer
¢* Pennichuck Water Works — Water
¢ Liberty Utilities - Gas

* Consolidated — Communications

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BID FORM & ADDENDUMS

See attached

Complete Streets

Access to Sidewalks

Roadway Drainage

Vehicle Detection at Signals

Signs Replacement

Pavement Markings

Castings Replacement

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Paving Process
¢ Lower Structures

¢ Mill/Reclaim

* Base Pave

¢ Drainage Improvements

¢ Traffic Detection
« ADA Ramps
* Raise/Replace Structures

¢ Install/Replace Berm

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* Final Pave
* Pavement Markings

* Restore Landscaping