Cost Model for Bridge Maintenance

April 5, 2009

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A Primary Mission of the Council is to promote effective means of surface preparation in the maintenance industry using water and water/abrasive blasting techniques.

This document provides example analyses using a cost model for bridge painting maintenance.

The model was developed to aid specifiers in evaluating the costs associated with currently available painting technologies and allows comparisons between many of the current painting options for steel bridges.

2. Further down the Input spreadsheet, select the operating parameters (the painting options) for the spot preparation and overcoating option.

Note that this cost will change depending upon the production factors selected (colored cells of the Input Spreadsheet) and the Cost Variables (colored cells of the Cost Variables spreadsheet).

7 Persons in the Work Crew Contain the bridge using Lift Trucks Perform spot cleaning with hand tools Airless spray apply a three coat system are given below.

9. Now go back to the Input spreadsheet and select the operating parameters (the painting options) for the coating replacement option.

This situation compares the additional equipment investment costs of using recyclable steel grit for surface preparation to the additional waste disposal costs of using disposable abrasives.

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