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Construction Backlog

12 Months Ended

Dec. 31, 2017

12.

Construction Backlog

The following represents the backlog of signed construction and engineering contracts in existence at December 31, 2017 and 2016, which represents the amount of revenue the Company expects to realize from work to be performed on uncompleted contracts in progress and from contractual agreements in effect at December 31, 2017, on which work has not yet begun:

	2017			2016
Balance - January 1	$	541,291		$	105,851
New contracts and change orders during the period		81,179,323			807,786
		81,720,614			913,637
Less: contract revenue earned during the period		(5,061,585	)		(372,346	)
		76,659,029			541,291
Contracts signed but not started		-			-
Balance - December 31	$	76,659,029		$	541,291

Backlog at December 31, 2017 includes two large contracts entered into by the Company during the third quarter in the amounts of approximately $55,000,000 and $15,000,000. The Company expects that all of this revenue will be realized by August 31, 2020.