Protecting Properties. Powering Progress.
Based in Boston, MA, S.J. Design provides complete fire protection services for residential and commercial projects across New England. We support clients through every phase of their project — from design to permitting — with services including:
Fire Sprinkler System Design
Complete design solutions tailored to meet code requirements and project needs.Hydraulic Calculations
Precise calculations to ensure system efficiency and compliance.NFPA 241 Construction Fire Safety Plans
Required safeguarding plans for construction site permitting and safety.Hydrant Flow Testing
Verified flow data to support system design and permitting approvals.Evaluation of Existing Fire Sprinkler Systems
Detailed inspections and assessments to ensure compliance and readiness.
We work closely with clients to streamline the permitting process and deliver fire protection solutions that keep projects safe, compliant, and on schedule.