Include the cost of gravel. For a 4-inch slab, you'll need the same amount of gravel you calculated for concrete, as the gravel bed will also be 4 inches deep. Use the same calculation to arrive at cubic yards of gravel, then multiply by 1.5 tons per cubic yard to get the number of tons you will need.
Average Iceland Salaries. The average salary for iceland jobs is $54,000. Average iceland salaries can vary greatly due to company, location, industry, experience and benefits.This salary was calculated using the average salary for all jobs with the term iceland anywhere in the job listing.verage iceland salaries can vary greatly due to company, location, industry, experience and benefits. This salary was calculated using the average salary for all jobs with the term iceland anywhere in the job listing.
Photo: Geir Ãlafsson. Ã³lafsson in, 2012 the hourly labor cost in The European union WAS eur.24 (1 3,550, 3550 usd.26) 2 on, average while In iceland it WAS eur.23. 2in, 2012 the highest labor cost for all economic activities In europe was In, NORWAY eur.57 1 per paid. hourhe only Northern European country which has a lower labor cost than Iceland is the U.K., Statistics Iceland reports. Between 2008 and 2012 the labor cost in Iceland rose by 18 percent in ISK, but the cost in euros increased by 5.6 percent, the impact of the exchange rate being 12.4 percentage.