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Gridline Design Inc. specializes in the design of commercial, industrial and residential fire sprinkler system design tailored to meet your companies’ specific needs. We offer code compliant, cost effective design throughout North America using the latest design software. Other services include fire alarm design, code consulting and performance based alternative solutions. Our team of fire protection engineering technologists work in collaboration with all stakeholders to ensure maximum value for the building owner.

Dave Aspin


Dave Aspin is a graduate of the Fire Protection Engineering Technology Faculty at Seneca College (class of 2002). He has extensive experience designing commercial, industrial and residential buildings in both Canada and the United States. He has completed many large-scale projects while working for several large Fire Protection companies in Ontario, Manitoba Saskatchewan, and Texas. Dave returned to North Bay from his position as a designer at Universal Sprinkler Corporation in 2005 and founded Gridline Design which he incorporated in 2011.

Our services


  • Offers complete contract design service of fire sprinkler systems for the efficient use of human resources eliminating the requirement for additional employees during vacation and peak periods
  • Provides complete shop drawings along with hydraulic calculations and material stocklists
  • Designs using AutoCad 2007 with HydraCad, HydraCalc and HydraList
  • Coordinates drawings with all MEP trades
  • Field surveys
  • Code research
  • Water flow tests
  • Performance based design
  • Fire pump sizing
  • Closeout documents
  • Plan review
  • Budgetary cost estimating
  • Residential layouts with hydraulic calculations available
  • Guarantees client satisfaction by modifying drawings to specific client instructions
  • Very competitive rates for professional services
  • Quick turn around
  • Free Estimates

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