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.
More news. On the 1st of January 2015 the population of Iceland was 329,100, compared with 325,671 on the 1st of January 2014, an increase of 1%. The population declined in three regions, primarily in the Northwest which lost 1.4% of its population in 2014.More.n the 1st of January 2015 the population of Iceland was 329,100 compared with 325,671 on the 1st of January 2014.