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Trusted Structural Engineering Solutions in New York
Derman Engineering PLLC is a Long Island-based structural design firm founded to provide engineering design services for architects, contractors, developers, and property owners. Our approach emphasizes clear, concise design and consulting services focused on practical and economic solutions, delivered through personalized client service. With over 9 years of structural engineering experience and 11 years of prior construction industry expertise, our team understands the critical importance of the planning and design phase in project success.

We combine extensive field experience with analytical skills to develop straightforward solutions addressing root design issues, offering the quality of big-name firms without associated fees. Our services span structural design for new construction and alterations, forensic investigations, NYC DEP compliance, and specialized inspections, supported by a proven track record in mid- to low-rise building projects across New York City.
Services
Structural Design Backflow Preventer Design Feasibility Studies Structural Investigations NYC DEP Compliance Foundation Design Demolition Plans House Raising Plans Peer Review Services Forensic Investigations
Highlights and features
  • We offer 9+ years of structural engineering experience combined with 11 years of construction industry expertise
  • Our personalized service delivers tailored solutions for architects, contractors, and developers
  • We specialize in practical, economically feasible designs for NYC's unique building challenges
  • Our team provides hands-on field experience including special inspections and structural investigations
  • We maintain active engineering licenses in New York and Connecticut
Services
Structural Design
We provide comprehensive structural design services for low- to mid-rise buildings using steel, concrete, masonry, wood, and gauge steel systems. Our designs prioritize practical implementation and economic feasibility while meeting all regulatory requirements. Our expertise covers new construction, alterations, and specialized structural systems across residential and commercial projects.
Backflow Preventer Design
Our NYC DEP-certified engineers design and file backflow preventer systems ensuring compliance with municipal water safety regulations. We handle complete documentation and submission processes for new installations and system modifications. This service protects public water supplies while maintaining code compliance for commercial and residential properties.
Structural Investigations
We conduct detailed structural investigations including condition assessments, forensic analysis, and pre-construction photo surveys. Our team identifies structural deficiencies, evaluates repair needs, and provides remediation recommendations. Services include special inspections for steel connections, concrete quality, and masonry stability in existing buildings.
Feasibility Studies
Our feasibility studies evaluate structural viability for proposed projects, including foundation options, support of excavation systems, and structural modifications. We analyze technical challenges and cost implications to guide decision-making. This service helps clients understand project constraints before committing to full-scale design.
NYC DEP Compliance
We specialize in NYC Department of Environmental Protection compliance services including backflow preventer certification, spray fireproofing inspections, and EIFS system reviews. Our team ensures proper documentation and field verification for regulatory approvals. This service streamlines compliance for construction projects across New York City.
People
Aharon Derman
Principal Engineer
Licensed engineer with 9 years of structural design experience and 11 years of construction industry background. Specializes in practical solutions for NYC building projects. Combines analytical skills with field expertise to deliver cost-effective designs.
Questions
What structural systems does Derman Engineering specialize in?
We design steel, concrete, masonry, wood, precast concrete, and gauge steel structures for low- to mid-rise buildings across New York City.
Do you provide NYC DEP compliance services?
Yes, we offer backflow preventer design, certification, and filing services with the NYC Department of Environmental Protection.
What makes your engineering approach unique?
We combine 20+ years of combined engineering and construction experience to deliver practical, economically feasible solutions with clear communication.
What types of projects do you handle?
We work on new construction, structural alterations, foundation design, demolition plans, house raising, and forensic investigations for residential and commercial clients.
Are your engineers licensed in New York?
Yes, our principal engineer holds active licenses in both New York and Connecticut.
Do you offer structural peer review services?
Yes, we provide third-party structural design reviews and peer evaluations to ensure code compliance and construction feasibility.