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Estimating Information

The Estimating Unit develops and maintains statewide estimating policy for WSDOT. The unit supports projects as requested: (1) provides training in estimating field, (2) provides answers to questions regarding estimating, (3) reviews estimates, (4) leads risk analysis for project cost and schedule, (5) responsible of maintaining and providing technical support for E-BASE and Bid Tab Pro, (6) and is responsible for wage publications.

The Estimating Unit keeps up to date with current practice in transportation estimating, evaluates new tools and techniques for use at WSDOT, and provides support and expertise to the CEVP/CRA program.

Estimating Contacts






















































Cost Calculation for Asphalt Cost Price Adjustment General Special Provision
(5-04.5.OPT2.GR5)

The worksheet below is used to calculate the amount to be used for Standard Item 5837, Asphalt Price Adjustment, for those contracts using the Asphalt Cost Price Adjustment General Special Provision. This amount will change as the Asphalt Binder Reference Cost Index changes, so frequent updates are recommended. It is also recommended that you download the worksheet each time you use it so that you have the latest version. Revision dates will be noted here.

Last revision date: April 10, 2009


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Cost Calculation for CRS-2P Cost Price Adjustment General Special Provision
(5-02.5.OPT3.GR5)

The worksheet below is used to calculate the amount to be used for Standard Item 005294, CRS-2P Cost Price Adjustment, for those contracts using the Cost Price Adjustment Special Provision. This amount will change as the Asphalt Binder Reference Cost Index changes, so frequent updates are recommended. It is also recommended that you download the worksheet each time you use it so that you have the latest version. Revision dates will be noted here.

Last revision date: April 10, 2009

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Self-Modeling Tool
This workbook is designed to assist the project teams on developing the projects' cost and schedule estimate considering uncertainty and risks that may affect their projects.

If you or your office needs some "Just-in-Time" training on how to use the Self-Modeling Spreadsheet please contact Ovidiu Cretu at CretuO@wsdot.wa.gov 360-705-7599.
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HQ Construction Office/Vendors/Contractors/Other Project Teams
Estimators can get information about estimating project items from construction offices, vendors, contractors and other project teams. Trends in construction costs http://www.wsdot.wa.gov/biz/construction/constructioncosts.cfm.

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Specialty Groups
Specialty groups are often able to provide guidance in finding cost and schedule information for their areas of expertise.

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Bridge Manual

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FHWA Cost Trends
The FHWA has established a Highway Construction Cost Increases and Competition Issues web page to share information regarding increasing construction costs.

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Urban Planning Office
The Urban Planning Office has created an access based Planning Level Cost Estimating package. Contact Murshed Delwar, Senior Transportation Planning Specialist at the Urban Planning Office, 206.464.1263.

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Means
RS Means publishes guides for construction cost estimating. Their heavy civil guide includes highways and roads and can be checked out through the WSDOT library.

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Benefit-Cost Analysis of Bicycle Facilities
If your community is considering building a new bicycle facility, you can use this tool to estimate costs, the demand in terms of new cyclists, and measured economic benefits (e.g., time savings, increased livability, decreased health costs, a more enjoyable ride).

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Estimating Forms (Internal Use Only)
Search for these form numbers:

232-007      Design Calculation - Bridge
232-007A    Design Calculation
232-007D    Quantity Calculation - Design Calculations
230-0031    Bridge Quantity
230-0040    Cost Estimate Summary



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