Innovative Solutions for Complex SitesBuilt on Expertise Driven by Performance
Onsite wastewater engineering and geotechnical services for homeowners, builders, and developers across the Lower Mainland, Fraser Valley, and Sea-to-Sky corridor.
Why Blackstone
Why Clients Choose Blackstone
Decades of field experience, BC-specific regulatory expertise, and a commitment to getting your project approved — on time.
- BC Health Authority & Permit expertise
- Gordon Anderlini, P.Eng. on every project
- Responsive communication — real answers, fast
- Serving Lower Mainland, Fraser Valley & Sea-to-Sky
Gordon Anderlini, P.Eng.
Principal Engineer — EGBC Registered
Our Expertise
Engineering Disciplines
Two specialized fields, one trusted firm. We handle the full scope of onsite wastewater and geotechnical challenges your project demands.
How We Work
A Clear Process, Start to Finish
Initial Consultation
We review your site, project goals, and regulatory requirements — no obligation.
Site Investigation and Review
Field work including soil testing, perc tests, borings, and topographic review.
Engineering Design
Stamped drawings, specifications, and permit-ready documentation.
Approval & Support
We liaise with health authorities and municipalities through to final approval.
Have a Project in Mind?
Talk directly with a qualified professional. Get expert answers fast.