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Manhattan Bridge, under-construction, seen from the roof of Robert Gair Building, showing suspenders and saddles, on February 11, 1909. (Eugene de Salignac/Courtesy NYC Municipal Archives)

Horizontal and vertical control surveys are developed to create a framework from which other surveys can be compared to. The most fundamental aspect of a successful survey and all subsequent activities is accurate, reliable and precise survey control.

Vanguard Construction Solutions works with our client during the construction planning phases to ensure all parties understand and agree, on the requirements for horizontal and vertical control datum. This reduces the likelihood of datum mismatch that can be extremely costly for any project.

It is highly recommended, that Vertical Control and Horizontal Control surveys are used during the following construction phases:

  • Underpinning
  • Dewatering
  • Excavation
  • Demolition

 Contact us to discuss your Horizontal and Vertical Control Survey needs.