S3DA’s Structural Scope of Work 

• Cold-formed metal framing (CFMF) design calculations per IBC 2021, AISI S100, and AISI S240 

• Design of loadbearing and non-loadbearing CFMF wall studs, tracks, and headers 

• Deflection and drift compatibility checks for CFMF partitions adjacent to primary steel framing and braced frames 

• Design of slip tracks and movement joints to accommodate roof and floor deflections 

• Anchorage design of CFMF systems to slab-on-grade, foundations, and structural steel 

• Coordination of framing design with fire-rated, acoustic-rated, and impact-resistant wall assemblies 

Key Challenges & Solutions 
The project requires careful coordination between cold-formed metal framing and the primary structural steel system. S3DA addressed this by performing detailed deflection and drift compatibility checks and designing appropriate slip tracks and movement joints, ensuring long-term performance and constructability while meeting stringent code requirements. 

The Result 
S3DA is delivering clear, code-compliant structural calculations that seamlessly integrate with architectural and steel systems, supporting a durable, permit-ready design for an essential municipal facility. 

The post Structural design for Zuni Solid Waste Complex, Zuni, NM  appeared first on S3DA DESIGN Structural and MEP Design.

Mechanical design services include HVAC system selection, heat load calculations, rigid ductwork layouts, roof plans, and detailed schedules. Electrical design covers complete lighting and power distribution, panel schedules, and single-line diagrams to support safe and efficient building operation. Plumbing design includes domestic water, sanitary drainage, and natural gas systems with coordinated riser diagrams and calculations. The fire sprinkler scope includes system layout, hydraulic calculations, material lists, and detailed specifications to meet applicable code requirements. 

This project highlights our integrated approach to delivering coordinated, code-compliant building systems for commercial office developments. 

The post MEP & Fire Sprinkler Engineering Design | Office Project – Pauma Valley, CA  appeared first on S3DA DESIGN Structural and MEP Design.

The project includes MEP design across three buildings, supporting office, service, and restroom facilities, with a focus on reliable power distribution, efficient HVAC systems, and code-compliant plumbing infrastructure tailored to heavy-duty service operations. 

Scope of Work Overview 

Building A 

• Full MEP design for a 3,499 SF office area 

• Electrical design for the service area 

Building B 

• Electrical design for the service area 

• Plumbing design for restroom facilities 

Building C 

• Electrical design for the service area 

• Plumbing design for restroom facilities 

Electrical Design 

• New incoming electrical service from utility transformer to main distribution board 

• Complete power distribution system (main, sub-distribution, and branch panels) 

• Interior and exterior lighting, emergency egress lighting, and lighting controls 

• Power and outlet rough-ins for equipment and operations 

• Power distribution for HVAC and miscellaneous equipment 

• Low-voltage rough-ins per owner requirements 

HVAC Design 

• New HVAC systems with load calculations and air balancing 

• HVAC air distribution plans and mechanical schedules 

• Exhaust fans for restroom areas 

Plumbing Design 

• Domestic water, water heating, sanitary, and vent systems connected to main lines 

• Condensate collection for mechanical equipment 

• Heater selection, schedules, and plumbing equipment details 

• Isometric drawings for coordination and construction 

This project reflects S3DA Design’s expertise in delivering efficient, coordinated MEP solutions for industrial and service facilities, ensuring operational reliability, energy efficiency, and full code compliance. 

The post MEP design for Truck Service Shop, Apple Valley, CA  appeared first on S3DA DESIGN Structural and MEP Design.

Structural Design Scope 

• Loading analysis including Dead, Live, Wind, and Seismic loads for Supercharger cabinets, utility transformers, and electrical equipment 

• Structural analysis and design of new concrete equipment foundations, including overturning, sliding, and uplift checks 

• Anchorage and embedment verification in accordance with CBC and ASCE 7 

• Construction-ready drawings including: 

• Foundation plans for Supercharger cabinets and transformers 

• Foundation sections and anchorage details 

• Typical structural details, notes, and specifications suitable for CD-90 / CD-100 submittals 

Electrical Design Scope 

• Design of new or utilization of existing utility electrical service 

• Power distribution design from utility transformers to main distribution boards, sub-distribution, and branch circuit panels 

• Complete electrical drawing set for the integration of Tesla Supercharger equipment 

This project reflects our continued commitment to delivering reliable, code-compliant engineering solutions for EV charging, utility infrastructure, and clean energy projects throughout California.

The post Structural and Electrical design for Tesla Superchargers, San Diego, CA  appeared first on S3DA DESIGN Structural and MEP Design.

The project features a 120’ × 120’ Pre-Engineered Metal Building (PEMB) with a 32’ eave height and a total footprint of 14,400 SF, including a 1,000 SF office area engineered to accommodate a future office mezzanine / storage deck. The hangar includes a 110’ wide aircraft door, slab-on-grade construction, and a sprinklered Type IIB structure with 3-phase power. 

Structural Engineering Scope 

• Foundation and slab-on-grade design accounting for wind, seismic, dead, and live loads 

• Spread footings, grade beams, slab thickening, and jointing for the PEMB system 

• Independent aircraft door foundation design, coordinated with manufacturer reactions 

• Anchorage and embed design for columns, frames, and door bays 

• Office mezzanine structural design, including gravity and lateral systems, vibration and deflection control, slab checks, and PEMB tie-in strategies 

• Complete structural drawings, details, and calculations 

MEP Engineering Scope 

• Electrical: Utility service and distribution, hangar and office lighting, egress and façade lighting, receptacles, HVAC power, and low-voltage rough-ins 

• Mechanical (HVAC): Office HVAC system with load calculations, air distribution, restroom exhaust, warehouse ventilation, and mechanical schedules 

• Plumbing: Domestic water, sanitary, venting, water heating, condensate management, equipment schedules, and isometric drawings 

This project reflects S3DA Design’s expertise in aviation facilities, PEMB structures, and integrated Structural + MEP solutions, delivering a code-compliant, efficient, and scalable hangar design. 

The post Structural and MEP design for airport hangars, GA  appeared first on S3DA DESIGN Structural and MEP Design.

The scope included the design of a cold-formed metal stud raised floor system constructed over an existing concrete slab, elevating the finished floor by 6 to 12 inches. The design addressed gravity and lateral loads for commercial/assembly use, vibration performance, anchorage to the existing slab, and transitions such as steps, ramps, and edge conditions. 

In addition, we performed structural analysis and design for the infill of an existing 8 ft by 8 ft revolving door opening, including new framing, header and jamb reinforcement, and anchorage to the surrounding structure. 

Deliverables included a consolidated calculation package suitable for permit and plan-check review, along with detailed structural drawings covering framing plans, sections, transition details, connection details, and material specifications. 

This project highlights our expertise in cold-formed steel design, retrofit conditions, and structural coordination within existing buildings. 

The post Structural Engineering Design – Interior Renovation | Fredericksburg, VA  appeared first on S3DA DESIGN Structural and MEP Design.

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The post MEP design for Adelanto Commercial Development in Adelanto, CA  appeared first on S3DA DESIGN Structural and MEP Design.

Our integrated scope of work included: 

• Structural Design: Detailed calculations for PEMB foundations, slab-on-grade, anchor rods, and base plates designed to resist high wind and flood reactions. This included coordination plans for lateral bracing, checking appendages, mezzanines, and catwalks. 

• MEP Design: A fully integrated system package: 

• Mechanical: Heat Load Report, full HVAC design including rigid ductwork, and roof plans. 

• Electrical: Full power distribution (SLD, panels), lighting, and power design. 

• Plumbing: Domestic water, sanitary drainage, rainwater design, and natural gas distribution with isometric risers. 

• Fire Protection: Complete, code-compliant Fire Protection design, including zoning, sprinkler plans, and hydraulic calculations (Pipe Net Software) per NFPA 13 requirements. 

This project showcases our expertise in delivering specialized, high-performance infrastructure solutions for industrial and commercial structures in demanding regulatory environments. 

The post Structural and MEP design pre-engineered metal building for commercial offices in Freeport, FL  appeared first on S3DA DESIGN Structural and MEP Design.

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