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.
The Icelandic winter is relatively mild for its latitude. The southerly lowlands of the island average around 0 Â°C (32 Â°F) in winter, while the Highlands of Iceland tend to average around â10 Â°C (14 Â°F). The lowest temperatures in the northern part of the island range from around â25 to â30 Â°C (â13 to â22 Â°F). The lowest temperature on record is â39.7 Â°C (â39.5 Â°F).