Calichi Services Our Work About Library Get in Touch Site Planning What Is a Tentative Map? A California Subdivision Entitlement Guide By Reco Prianto, P.E. · May 4, 2026 · 7 min read If you’re planning to subdivide land in California — whether that’s splitting one parcel into two for a duplex or carving a … Read more
SLBE certification unlocks public-sector contracts worth hundreds of millions annually. Learn what SLBE means, which agencies enforce it, and how it creates competitive advantage.
Complete guide to SWPPP requirements under California’s General Construction Permit. Triggers, Risk Levels, costs, and compliance timelines.
Complete guide to California fire flow requirements: testing, modeling, GPM requirements, and when mitigation is needed.
Learn how to calculate sewer capacity for a new development in California — fixture units, Hunter’s curve, Manning’s equation, and when you need a sewer study.