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Systematic Preventive Preventive Maintenance Maintenance (SPM) (SPM) Program Program

Performance

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An SPM program can also be de�ned as a documented methodology An SPM program can also be de�ned as a documented methodology regularly applied to repeatedly achieve a desired outcome or goal.

regularly applied to repeatedly achieve a desired outcome or goal.

A. Qualifying

A. Qualifying SPM Program ParameSPM Program Parameters for use ters for use of Federal-aidof Federal-aid Funds

Funds

23 U.S.C. 144(d) allows HBP unds to be expended or SPM on high

23 U.S.C. 144(d) allows HBP unds to be expended or SPM on high

way bridges located on public roads regardless o whether a bridge is way bridges located on public roads regardless o whether a bridge is eligible or replacement or rehabilitation.

eligible or replacement or rehabilitation.

Additional inormation regarding the use o Federal-aid unds or PM Additional inormation regarding the use o Federal-aid unds or PM An SPM program may be applied to bridges at the network, highway  An SPM program may be applied to bridges at the network, highway  system, area wide, or region wide basis.

system, area wide, or region wide basis.

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SPM Program Parameters Commentary SPM Program Parameters Commentary 1.

1.Goals & ObjectivesGoals & Objectives – Clearly de�ned goals and objectives or the – Clearly de�ned goals and objectives or the SPM program.

SPM program.

t

tObjective:Objective: Implement timely preservation treatments on Implement timely preservation treatments on structurally

structurally sound bridsound bridges, therges, thereby exteeby extending thnding their useul lieir useul lie.e.

Structu

Structurally sound rally sound may may be de�ned be de�ned as having as having an oan overall NBI verall NBI generalgeneral condition rating o 5 or greater or the deck, superstructure, sub condition rating o 5 or greater or the deck, superstructure, sub

culvert components,

culvert components, AASHO AASHO Element ConditionElement Condition As with any effective bridge management program, an SPM program As with any effective bridge management program, an SPM program should have

should have objectives and measurable goals. objectives and measurable goals. An example An example o o 

objective and

objective and overall goal overall goal that that could be could be considered in considered in adopting anadopting an SPM

SPM program program is is shown shown below.below.

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Strategies for condition-based PM activities:

Strategies for condition-based PM activities:

1.

1.Goal:Goal: - Maintain “X” percent o expansion joints in condition - Maintain “X” percent o expansion joints in condition state 2 or better.

state 2 or better.

Measure:

Measure: Percent oPercent o expansion joints in  expansion joints in condition state 2 orcondition state 2 or   better.

  better.

2.

2.Goal:Goal: Maintain “X” percent o coated steel suraces in good Maintain “X” percent o coated steel suraces in good   condition.

  condition.

  Measure:

  Measure:Percent o steel protective coating element in condiPercent o steel protective coating element in condi

better.

better.

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bridge components, the majority o State DOs have also been bridge components, the majority o State DOs have also been collecting bridge element inspection data

collecting bridge element inspection data99

3.

3.Needs Assessment - Documented needs assessment process thatNeeds Assessment - Documented needs assessment process that outlines ho

outlines how w PM PM needs are needs are identi�ed, prioritized identi�ed, prioritized and and propro

  grammed.

  grammed.

An

An SPM SPM program program should should include include a a needs assessment needs assessment that that describdescribeses the bridge owner’s plan or identiying and prioritizing needs.

the bridge owner’s plan or identiying and prioritizing needs.

Examples

Examples o components o a needs assessment include the ollowing: o components o a needs assessment include the ollowing:

. Bridge element data can . Bridge element data can be very instrumental in the implementation o various aspects o 

be very instrumental in the implementation o various aspects o 

bridge

bridge management management strategies strategies including including bridge bridge preservatipreservation.on.

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Further examples will be ound in Section VI.B,

Further examples will be ound in Section VI.B, but other qualiyingbut other qualiying activitie

activities s may may be pbe presented to resented to the FHWthe FHWA A Division Office Division Office oror consideration and ap

consideration and approval on proval on a case-by-case basis. a case-by-case basis. SPM programSPM program attributes 5 and 6 discussed below are essential in evaluating the attributes 5 and 6 discussed below are essential in evaluating the effectiveness o employed PM activities and strategies and the impact effectiveness o employed PM activities and strategies and the impact would be repainting a partially ailed paint zone along the beam ends would be repainting a partially ailed paint zone along the beam ends and repairing deterioration on a pier cap located beneath a leaking and repairing deterioration on a pier cap located beneath a leaking deck joint without arresting the water leakage onto the

deck joint without arresting the water leakage onto the superstruc

superstructure and ture and substrusubstructure elements. cture elements. In In addition to addition to the beamthe beam zone

zone painting and painting and repairing the repairing the deterioration on deterioration on the pier the pier cap, cap, sealingsealing or replacing the leaking deck joint is an equally important

or replacing the leaking deck joint is an equally important preservation activity.

preservation activity.

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B. Examples of PM activities that may extend the life of bridges B. Examples of PM activities that may extend the life of bridges

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Superstructure:

Superstructure:

6. CP systems for superstructure elements other than decks

-6. CP systems for superstructure elements other than decks - proven proven

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12. ECE treatment for substructure 12. ECE treatment for substructure

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