C.R.S. § 32-11-620

After the provisional order hearing and at the time of the passage of the resolution creating any improvement district and any project for the improvement district, or any amendment thereof, if any tract or the property of any railway company to be assessed in the improvement district has the whole or any part of the proposed project, conforming to the general plan, the same may be adopted in whole or in part or may be changed to conform to the general plan, if deemed practical; and the owner of such real estate, when the assessment is made, shall be credited with the amount which is saved by reason of adapting or of adopting such existing improvements.