Escalation Clauses
Check here for information on escalation clauses that address cost adjustments for fluctuations in the cost of raw material or labor.
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Steel Cost Adjustment
Steel Cost Adjustment Directions and GSP. (PDF 457KB)
Search for GSP 1-09.3.OPT2.FR1.
Fuel Cost Adjustment
Fuel Cost Adjustment Instructions & GSP. (PDF 457KB)
Search for GSP 1-09.3.OPT1.FR1.
Asphalt Cost Adjustment
- New Asphalt Binder Reference Costs
- New Asphalt Cost Adjustment Directions and GSP (PDF 445KB).
Search for GSP 5-04.5.OPT2.GR5. - Old Asphalt Binder Monthly Cost Index (PDF 31KB)
Cost Adjustment Spreadsheet
Payment Calculator Spreadsheets (XLS 73KB) for Asphalt, Fuel, or Steel Cost Price Adjustments.
Calculates either a payment or credit amount to be paid with the monthly progress estimate
Find guidance and other estimating calculation sheets that will aid in your projects.
166,800 electric vehicle
registrations in Washington in 2023, up from 114,600 in 2022.
87 wetland compensation sites
actively monitored on 918 acres in 2023.
25,000 safe animal crossings
in the Snoqualmie Pass East Project area since 2014.