NEW YORK STATE DEPARTMENT OF TRANSPORTATION Region 1 TEA/TUG Presentation Route 7 over I-87 (Exit 6) Bridge Replacement Town of Colonie Albany County NYSDOT

NEW YORK STATE DEPARTMENT OF TRANSPORTATIONRegion 1

TEA/TUG PresentationTEA/TUG Presentation

Route 7 over I-87 (Exit 6)Route 7 over I-87 (Exit 6)Bridge ReplacementBridge Replacement

Town of ColonieTown of ColonieAlbany CountyAlbany County

NYSDOT D260830 - P.I.N. 1306.50NYSDOT D260830 - P.I.N. 1306.50

October 4, 2008Presented By:

Existing Conditions & NeedsExisting Conditions & Needs

Project Location Project Location


Bridge Condition

Adjacent Areas

Traffic and Safety Conditions

Bicycle and Pedestrian Accommodations

Bridge Condition

Adjacent Areas



Bridge ConditionDeterioration Due to Age

Bridge ConditionDeterioration Due to Age


Surface Surface Deterioration on Deterioration on

BeamsBeams

Surface Surface Deterioration on Deterioration on

BeamsBeams

Deteriorated Deteriorated bearingsbearings

Deteriorated Deteriorated bearingsbearings

Planking under Planking under bridge to prevent bridge to prevent

damage to damage to vehiclesvehicles

Planking under Planking under bridge to prevent bridge to prevent

damage to damage to vehiclesvehicles


Existing Vertical Existing Vertical Clearance isClearance is

14’-2”14’-2”(1’-10” below the (1’-10” below the

standard)standard)

Existing Vertical Existing Vertical Clearance isClearance is

14’-2”14’-2”(1’-10” below the (1’-10” below the

standard)standard)

Several impacts Several impacts have damaged have damaged

beamsbeams

Several impacts Several impacts have damaged have damaged

beamsbeams

Bridge ConditionDeterioration Due to AgeDamage Due to Impacts

Bridge ConditionDeterioration Due to AgeDamage Due to Impacts


Bridge Condition

Adjacent Areas



Bridge Condition

Adjacent Areas



Adjacent Areas at Exit 6 and Adjacent Areas at Exit 6 and Along Route 7 / Route 2Along Route 7 / Route 2

Adjacent Areas at Exit 6 and Adjacent Areas at Exit 6 and Along Route 7 / Route 2Along Route 7 / Route 2

LEGENDLEGEND

HousesHousesandandApartmentsApartments

BusinessesBusinesses

Federal Federal WetlandsWetlands

State & State & FederalFederalWetlandsWetlands

PossiblePossibleHistoricHistoricSitesSites

StreamsStreams


Bridge Condition

Adjacent Areas



Bridge Condition

Adjacent Areas



Traffic and Safety ConsiderationsTraffic and Safety Considerationsat Exit 6 and Along Route 7 / Route 2at Exit 6 and Along Route 7 / Route 2

Traffic and Safety ConsiderationsTraffic and Safety Considerationsat Exit 6 and Along Route 7 / Route 2at Exit 6 and Along Route 7 / Route 2

Rte 7 and Rte 7 and Wade Road Wade Road IntersectionIntersection

Rte 7 and Rte 7 and Wade Road Wade Road IntersectionIntersection

Rte 7 andRte 7 andI-87 SBI-87 SB

IntersectionIntersection

Rte 7 andRte 7 andI-87 SBI-87 SB


Rte 7 andRte 7 andI-87 NBI-87 NB


Rte 7 andRte 7 andI-87 NBI-87 NB


Rte 7 and Rte 7 and Erin St. Erin St. (Latham (Latham Farms)Farms)

Rte 7 and Rte 7 and Erin St. Erin St. (Latham (Latham Farms)Farms)

Traffic Capacity and Delay Traffic Capacity and Delay Issues at all Signalized Issues at all Signalized

Intersections along Rte. 7 and Intersections along Rte. 7 and Rte. 2 Rte. 2

• Accident rates higher than roadway averagesAccident rates higher than roadway averages• Predominantly rear end and turning accidents at Predominantly rear end and turning accidents at

the signalized intersectionsthe signalized intersections

• Accident rates higher than roadway averagesAccident rates higher than roadway averages• Predominantly rear end and turning accidents at Predominantly rear end and turning accidents at

the signalized intersectionsthe signalized intersections

High traffic volumes affect the ability of the existing High traffic volumes affect the ability of the existing flush median to provide safe and effective accessflush median to provide safe and effective access

High traffic volumes affect the ability of the existing High traffic volumes affect the ability of the existing flush median to provide safe and effective accessflush median to provide safe and effective access


Bridge Condition

Adjacent Areas



Bridge Condition

Adjacent Areas






No dedicated pedestrian No dedicated pedestrian accommodationsaccommodations

No dedicated pedestrian No dedicated pedestrian accommodationsaccommodations

Existing bus Existing bus stops with no stops with no

linking sidewalkslinking sidewalks

Existing bus Existing bus stops with no stops with no

linking sidewalkslinking sidewalksBicyclists Bicyclists

accommodated accommodated within travel within travel

laneslanes

Bicyclists Bicyclists accommodated accommodated within travel within travel

laneslanes

Project ObjectivesProject Objectives

PRIMARY OBJECTIVESPRIMARY OBJECTIVES Provide bridge with 75-year unposted service lifeProvide bridge with 75-year unposted service life Provide standard vertical clearanceProvide standard vertical clearance Provide pavement with 20-year service lifeProvide pavement with 20-year service life Provide pedestrian accommodationsProvide pedestrian accommodations

PRIMARY OBJECTIVESPRIMARY OBJECTIVES Provide bridge with 75-year unposted service lifeProvide bridge with 75-year unposted service life Provide standard vertical clearanceProvide standard vertical clearance Provide pavement with 20-year service lifeProvide pavement with 20-year service life Provide pedestrian accommodationsProvide pedestrian accommodations

Project ObjectivesProject Objectives

SECONDARY OBJECTIVESSECONDARY OBJECTIVES Provide incremental traffic and safety Provide incremental traffic and safety

improvementsimprovements Allow future improvements on I-87Allow future improvements on I-87 Minimize effects to Businesses, Residents, and the Minimize effects to Businesses, Residents, and the

EnvironmentEnvironment Provide consistency with:Provide consistency with:

Town of Colonie’s Comprehensive PlanTown of Colonie’s Comprehensive Plan NY 7 / NY 2 Corridor Transportation and Land NY 7 / NY 2 Corridor Transportation and Land

Use StudyUse Study

SECONDARY OBJECTIVESSECONDARY OBJECTIVES Provide incremental traffic and safety Provide incremental traffic and safety

improvementsimprovements Allow future improvements on I-87Allow future improvements on I-87 Minimize effects to Businesses, Residents, and the Minimize effects to Businesses, Residents, and the

EnvironmentEnvironment Provide consistency with:Provide consistency with:

Town of Colonie’s Comprehensive PlanTown of Colonie’s Comprehensive Plan NY 7 / NY 2 Corridor Transportation and Land NY 7 / NY 2 Corridor Transportation and Land

Use StudyUse Study

14

Alternatives ConsideredAlternatives Considered

6 different interchange designs for Exit 6 Cloverleaf Partial Cloverleaf Flyovers Expanded Diamond

Dual Left Turn Diamond Triple Left Turn Diamond

Single Point Urban Interchange (SPUI)

6 different interchange designs for Exit 6 Cloverleaf Partial Cloverleaf Flyovers Expanded Diamond

Dual Left Turn Diamond Triple Left Turn Diamond

Single Point Urban Interchange (SPUI)

Alternatives ConsideredAlternatives Considered

Rankings of Ability Rankings of Ability to Increase Traffic to Increase Traffic Carrying CapacityCarrying Capacity

Rankings when Rankings when R.O.W. availability R.O.W. availability

is limitedis limited

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Nationwide survey of state engineers Nationwide survey of state engineers

Virginia Transportation Research Council (VTRC), Technical Report 99-R15

N/A

N/A

LEGENDLEGENDHousesHousesandandApartmentsApartments


WetlandsWetlands


Cloverleaf AlternativeCloverleaf AlternativeCloverleaf AlternativeCloverleaf Alternative

POTENTIAL POTENTIAL IMPACTSIMPACTS

Displacement of Displacement of approximately 20 approximately 20

homeshomes

Displacement of over Displacement of over 10 businesses10 businesses

Significant Significant environmental impactsenvironmental impacts

Extensive land Extensive land purchasespurchases

Cloverleaf AlternativeCloverleaf Alternative is not is not feasible because of its feasible because of its

potential impactspotential impacts

Cloverleaf AlternativeCloverleaf Alternative is not is not feasible because of its feasible because of its

potential impactspotential impacts

Alternative Discarded

Alternative Discarded



WetlandsWetlands


Expanded Diamond Expanded Diamond AlternativeAlternative

Expanded Diamond Expanded Diamond AlternativeAlternative


No displacements of No displacements of Homes Homes

Temporary effects to Temporary effects to businessesbusinesses

Minimal environmental Minimal environmental impactsimpacts

Minimal potential land Minimal potential land purchasespurchases

Expanded Diamond Expanded Diamond AlternativeAlternative is feasible because is feasible because

of its minimal effects on of its minimal effects on adjacent resourcesadjacent resources and its and its

potential to increase capacity potential to increase capacity at the interchangeat the interchange

Expanded Diamond Expanded Diamond AlternativeAlternative is feasible because is feasible because

of its minimal effects on of its minimal effects on adjacent resourcesadjacent resources and its and its

potential to increase capacity potential to increase capacity at the interchangeat the interchange

Alternative Retained


Major points of conflict occur at Major points of conflict occur at oneone location location

Through movements pass through Through movements pass through oneone intersection intersection

OneOne signal system controls the signal system controls the ramp and through movementsramp and through movements

Major points of conflict occur at Major points of conflict occur at oneone location location

Through movements pass through Through movements pass through oneone intersection intersection

OneOne signal system controls the signal system controls the ramp and through movementsramp and through movements

Single Point Urban InterchangeSingle Point Urban InterchangeConventional Diamond InterchangeConventional Diamond Interchange

Major points of conflict occur at Major points of conflict occur at twotwo locations locations

Through movements must pass Through movements must pass through through bothboth intersections intersections

TwoTwo signal systems control signal systems control interchange movementsinterchange movements

Major points of conflict occur at Major points of conflict occur at twotwo locations locations

Through movements must pass Through movements must pass through through bothboth intersections intersections

TwoTwo signal systems control signal systems control interchange movementsinterchange movements

What is a Single Point Urban Interchange (SPUI)?What is a Single Point Urban Interchange (SPUI)?What is a Single Point Urban Interchange (SPUI)?What is a Single Point Urban Interchange (SPUI)?



WetlandsWetlands


SPUI AlternativeSPUI AlternativeSPUI AlternativeSPUI Alternative


No displacements of No displacements of Homes Homes

Temporary effects to Temporary effects to businessesbusinesses

Minimal environmentalMinimal environmentalImpactsImpacts

Minimal potential land Minimal potential land purchasespurchases

SPUI AlternativeSPUI Alternative is feasible is feasible because of its minimal effects because of its minimal effects on adjacent resourceson adjacent resources and its and its potential to increase capacity potential to increase capacity

at the interchangeat the interchange

SPUI AlternativeSPUI Alternative is feasible is feasible because of its minimal effects because of its minimal effects on adjacent resourceson adjacent resources and its and its potential to increase capacity potential to increase capacity

at the interchangeat the interchangeAlternative Retained


Preferred AlternativePreferred Alternative

The The Expanded DiamondExpanded Diamond and the and the SPUISPUI have have essentially the same engineering and essentially the same engineering and environmental considerations and right-of-way environmental considerations and right-of-way needs except for:needs except for:

Traffic Operations (Level of Service)Traffic Operations (Level of Service) CostCost

Preferred Alternative decision based on a Preferred Alternative decision based on a comparison of these two considerationscomparison of these two considerations

The The Expanded DiamondExpanded Diamond and the and the SPUISPUI have have essentially the same engineering and essentially the same engineering and environmental considerations and right-of-way environmental considerations and right-of-way needs except for:needs except for:

Traffic Operations (Level of Service)Traffic Operations (Level of Service) CostCost

Preferred Alternative decision based on a Preferred Alternative decision based on a comparison of these two considerationscomparison of these two considerations


Single Point Urban InterchangeSingle Point Urban Interchange

Provides for more efficient Traffic Operations Provides for more efficient Traffic Operations on Route 7 / Route 2on Route 7 / Route 2

Provides reserve capacity for anticipated future Provides reserve capacity for anticipated future traffic growthtraffic growth

Provides higher benefit / cost ratio (reduced Provides higher benefit / cost ratio (reduced user costs)user costs) Dual Left Turn Diamond - $ 27 MDual Left Turn Diamond - $ 27 M SPUI - $ 32 MSPUI - $ 32 M

Single Point Urban InterchangeSingle Point Urban Interchange

Provides for more efficient Traffic Operations Provides for more efficient Traffic Operations on Route 7 / Route 2on Route 7 / Route 2

Provides reserve capacity for anticipated future Provides reserve capacity for anticipated future traffic growthtraffic growth

Provides higher benefit / cost ratio (reduced Provides higher benefit / cost ratio (reduced user costs)user costs) Dual Left Turn Diamond - $ 27 MDual Left Turn Diamond - $ 27 M SPUI - $ 32 MSPUI - $ 32 M

BEFOREBEFOREAFTERAFTER

SPUISPUISPUISPUI

Maintenance & Protection of TrafficMaintenance & Protection of Traffic

Project Schedule & Traffic ImpactsProject Schedule & Traffic Impacts

Minor Route 7/2 work

I-87 auxiliary lanes

Wetland construction LOW

MEDIUM

Route7/2

Bridge foundations and walls construction

Route 7 construction west of interchange

Sparrowbush Road improvements

Bridge superstructure HIGH

I-87Ramps

LOWLOW

LOW

LOW

LOW LOW

LOW

LOW

LOW

Route 7/2 construction at interchange

Ramp construction

HIGH

HIGH

LOW LOW

MEDIUM

MEDIUMLOW

Miscellaneous Paving LOW LOW LOW

Landscaping

Cleanup

LOW

LOW

LOW

LOW

LOW

LOW

2008

2010

2011

2009

MEDIUM

MEDIUM

PLANNEDCONSTRUCTION WORK

ANTICIPATED TRAFFIC IMPACT LEVEL

MEDIUM LOW

LOW

LOW

MEDIUM

MEDIUM

YE

AR


2-Stage Bridge Construction2-Stage Bridge Construction

Maintains all existing movementsMaintains all existing movements Exit 6 remains openExit 6 remains open Reduces vehicle diversionsReduces vehicle diversions Minimizes affects to adjacent businessesMinimizes affects to adjacent businesses Minimizes construction durationMinimizes construction duration MINIMIZES COSTMINIMIZES COST

2-Stage Bridge Construction2-Stage Bridge Construction

Maintains all existing movementsMaintains all existing movements Exit 6 remains openExit 6 remains open Reduces vehicle diversionsReduces vehicle diversions Minimizes affects to adjacent businessesMinimizes affects to adjacent businesses Minimizes construction durationMinimizes construction duration MINIMIZES COSTMINIMIZES COST

Maintenance & Protection of TrafficMaintenance & Protection of Traffic

Preferred AlternativePreferred AlternativeTravel Demand Management (TDM) PlanTravel Demand Management (TDM) Plan

Primarily commercial

Business

Primarily Retail Business General PM

major traffic patterns

Greatest diversion of traffic will be realized by Targeting Commuters to

this Area

Project needs to minimize

diversions from this area

General AM major traffic

patterns


TDM Plan Key elementsTDM Plan Key elements

Public outreach through multiple media formatsPublic outreach through multiple media formats Prior comprehensive outreach to businessesPrior comprehensive outreach to businesses ““Real Time” traffic monitoring and information via Real Time” traffic monitoring and information via

the web and other technologiesthe web and other technologies Traffic diversions via alternate routes targeting Traffic diversions via alternate routes targeting

commuterscommuters

TDM Plan Key elementsTDM Plan Key elements

Public outreach through multiple media formatsPublic outreach through multiple media formats Prior comprehensive outreach to businessesPrior comprehensive outreach to businesses ““Real Time” traffic monitoring and information via Real Time” traffic monitoring and information via

the web and other technologiesthe web and other technologies Traffic diversions via alternate routes targeting Traffic diversions via alternate routes targeting

commuterscommuters

Travel Demand Management (TDM) PlanTravel Demand Management (TDM) Plan

Estimate and Bid PricesEstimate and Bid Prices

Engineer’s Estimate and Letting TimelineEngineer’s Estimate and Letting Timeline

Engineer’s Estimate prepared between January Engineer’s Estimate prepared between January and early March 2008and early March 2008

Letting June 10, 2008Letting June 10, 2008 Approximately 3 months between preparation Approximately 3 months between preparation

of Estimate and Lettingof Estimate and Letting

Engineer’s Estimate and Letting TimelineEngineer’s Estimate and Letting Timeline

Engineer’s Estimate prepared between January Engineer’s Estimate prepared between January and early March 2008and early March 2008

Letting June 10, 2008Letting June 10, 2008 Approximately 3 months between preparation Approximately 3 months between preparation

of Estimate and Lettingof Estimate and Letting


Engineer’s Estimate and BidEngineer’s Estimate and Bid Engineer’s Estimate:Engineer’s Estimate:

$32,238,551.07$32,238,551.07 2 bidders2 bidders

$39,777,861.39 – Lancaster Development$39,777,861.39 – Lancaster Development

$40,442,070.79 – Kubricky$40,442,070.79 – Kubricky

Bid Separation – Bid Separation – 1.7% of overall bid1.7% of overall bid

Low Bid – Low Bid – 21.9 % higher than engineer’s estimate21.9 % higher than engineer’s estimate

Engineer’s Estimate and BidEngineer’s Estimate and Bid Engineer’s Estimate:Engineer’s Estimate:

$32,238,551.07$32,238,551.07 2 bidders2 bidders

$39,777,861.39 – Lancaster Development$39,777,861.39 – Lancaster Development

$40,442,070.79 – Kubricky$40,442,070.79 – Kubricky

Bid Separation – Bid Separation – 1.7% of overall bid1.7% of overall bid

Low Bid – Low Bid – 21.9 % higher than engineer’s estimate21.9 % higher than engineer’s estimate


WHY?WHY?WHY?WHY?


Key indexesKey indexesKey indexesKey indexes

Engineer’s Estimate and LettingEngineer’s Estimate and Letting

Fuel Price per gallon

$2.00$2.20$2.40$2.60$2.80$3.00$3.20$3.40$3.60

Avg. Fuel Price

Engineer’s Estimate Letting

25% +/- Increase




Asphalt Binder Price per ton

$300.00$320.00$340.00$360.00$380.00$400.00$420.00$440.00$460.00$480.00$500.00

Asphalt Binder


32% +/- Increase




Steel Index - PPI

230

250

270

290

310

330

350

Steel Price Index


32% +/- Increase


Analysis:Analysis:

Of the 497 contract items, 25 accounted for Of the 497 contract items, 25 accounted for 95.7% of the cost overrun.95.7% of the cost overrun.

All of the 25 items were contingent on material, All of the 25 items were contingent on material, manufacturing, transportation, and installation manufacturing, transportation, and installation costs that can be directly linked to oil prices.costs that can be directly linked to oil prices.

Steel, Steel, Asphalt, earthwork, concrete, etc. Asphalt, earthwork, concrete, etc.

Analysis:Analysis:

Of the 497 contract items, 25 accounted for Of the 497 contract items, 25 accounted for 95.7% of the cost overrun.95.7% of the cost overrun.

All of the 25 items were contingent on material, All of the 25 items were contingent on material, manufacturing, transportation, and installation manufacturing, transportation, and installation costs that can be directly linked to oil prices.costs that can be directly linked to oil prices.

Steel, Steel, Asphalt, earthwork, concrete, etc. Asphalt, earthwork, concrete, etc.


Conclusion:Conclusion:

Unforeseen cost increases in key items between Unforeseen cost increases in key items between the dates the Engineer’s Estimate was prepared the dates the Engineer’s Estimate was prepared and the Letting date contributed to the increase and the Letting date contributed to the increase in project cost. in project cost.

Contract was Awarded and in currently under Contract was Awarded and in currently under construction.construction.

Conclusion:Conclusion:

Unforeseen cost increases in key items between Unforeseen cost increases in key items between the dates the Engineer’s Estimate was prepared the dates the Engineer’s Estimate was prepared and the Letting date contributed to the increase and the Letting date contributed to the increase in project cost. in project cost.

Contract was Awarded and in currently under Contract was Awarded and in currently under construction.construction.

Construction RecordkeepingConstruction Recordkeeping

Exit 6 is a SiteManager pilot project for NYSDOT Exit 6 is a SiteManager pilot project for NYSDOT Region 1 Region 1

Exit 6 is a SiteManager pilot project for NYSDOT Exit 6 is a SiteManager pilot project for NYSDOT Region 1 Region 1


Project’s Project Information OfficeProject’s Project Information Office 4 Avis Drive, Suite 110, Latham, NY 121104 Avis Drive, Suite 110, Latham, NY 12110

Entrance is at the rear of the buildingEntrance is at the rear of the building

Phone:Phone:(518) 220-9519(518) 220-9519

Email:Email:[email protected]@dot.state.ny.us

Web:Web:

Project’s Project Information OfficeProject’s Project Information Office 4 Avis Drive, Suite 110, Latham, NY 121104 Avis Drive, Suite 110, Latham, NY 12110

Entrance is at the rear of the buildingEntrance is at the rear of the building

Phone:Phone:(518) 220-9519(518) 220-9519

Email:Email:[email protected]@dot.state.ny.us

Web:Web:

Where to get more informationWhere to get more information

www.exit6.orgwww.exit6.org


Questions?Questions?Questions?Questions?

Questions & CommentsQuestions & Comments

Documents

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Region 1 TEA/TUG Presentation Route 7 over I-87 (Exit 6) Bridge Replacement Town of Colonie Albany County NYSDOT