What is the rate of pay for a Master Gunner? An NCO with enough time-in-rank and years of service to make a fair assessment.
http://www.forces.gc.ca/en/caf-commu...pay-rates.page
Charge high-rate mileage, meals and incidentals.
http://www.tbs-sct.gc.ca/pubs_pol/hr...voyage-eng.asp
Charge a fair market rate for any tools or equipment you might need to complete the assessment.
Figure out as many days' rates for phone and internet as you need to complete your research.
And, leave something on the table if the negotiations get testy so you can 'sharpen your pencil'.