There have been many ice ages during the last 2.6 million years but when people talk about the Ice Age, they are often referring to the most recent glacial period, which peaked about 21,000 years ago and ended about 11,500 years ago.
It costs roughly â¦ $11-$13 for the materials and contractors average about $5-$8 per square foot for labor, not including steps. For example, my company charges approximately $18 per square foot to build a deck.
But for sake of giving the best average price for a steel building let include all labor costs. The average price per square foot for a basic steel building is anywhere between $6 and $20.Let's take a look at what variables influence the construction costs of a steel building.Labor. The labor cost of the construction of a basic steel structure typically ranges from $3-$10 per square foot.This price range takes into consideration variables such as the size and location of your building and the competitiveness of your areas labor force.et's take a look at what variables influence the construction costs of a steel building. Labor. The labor cost of the construction of a basic steel structure typically ranges from $3-$10 per square foot.