Valdor was retained by the City of Markham to prepare the detailed engineering design and provide contract administration services for the replacement of the Henderson Avenue watermain from Clark Avenue to John Street.  The project involved the co-ordination with utility companies, the review and selection of the watermain alignment and detailed design, a presentation at a public information meeting and the construction of approximately 695m of watermain.  The design and construction was completed in 2012 and the cost of construction was $685,000.