The reason for the difference in effects from strain to strain is the variability of kratomâs alkaloids; in fact, there are over 28 identified alkaloids found within the plant with different half-lives and durations.
An average commercial steel building costs between $16 and $20 per square foot, including building package (I-Beams, purlins, girts etc.) , delivery, foundation and the cost of construction.lease note, because there are so many variables involved (interior & exterior finish being the main contributors) with commercial steel buildings, price figures for the average code per square foot can vary dramatically. Local building regulations can influence the cost of a steel commercial building.
The average construction cost is much higher than the 2011 cost, which was $184,125, and NAHB notes it is the highest itâs been since 1998. The 2013 construction cost per square foot ($95) also jumped in comparison to 2011, where it was $80 per square foot. sold for $399,532. 2  average share of the homeâs sales price which goes to construction cost was 62% (up from 59% in 2011). 3  second largest share of the sales price, which was the finished lot costs, was 19% (lower than the 2011 share of 22%).