VMC Group Floating Floor Drains are used in conjunction with the ANFF and ASFF Jack Up Isolation Systems. VMC Floor Drains are cast iron and have an upper funnel section cast  into the floating floor, a lower bucket built into the structure shall retain the water surrounding the upper section as a between floor sound seal. VMC Floor Drains incorporate weep holes to drain the structural floor.

Features & Benefits

  • Unitized
  • Simple installation
  • Weep holes incorporated into drain
  • Floating upper housing


  • Commercial utility and HVAC space
  • Performing arts centers
  • Computer operation rooms
  • Entertainment, social event spaces and health clubs
  • Transportation depots
  • Hospitals and research facilities
  • Office and residential complexes


Spec Sheets

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The engineers we employ hold the highest industry-recognized credentials in structural analysis, elastomer development and system dynamics.


We are the first ISO accredited PCA ISO-17065, third-party certification body for special seismic certification of non-structural building components and their mounting configurations by the ICC’s International Accreditation Service.

Test & Measurement

We are the only ISO 17025:2005 Accredited Seismic Simulation Test Laboratory with a triaxial shake table owned and operated by California licensed Structural engineers.

Testing Services Update
DCL now offers Nuclear Qualification and Testing services.

In partnership with Greenberry Industrial, we now offer testing services that meet the requirements of ASME NQA-1.

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