STRUCTURAL ENGINEERING FOR THE BUILDING ENVELOPE

Wheaton & Sprague is an international curtain wall design engineering consultant.

We are happy to provide the following structural engineering services for the exterior cladding components of a building:

• Design Criteria
• Windloads / Snowloads
• Seismic Load
• Blast Analysis & Design
  
• Thermal Analysis

CURTAIN WALL ENGINEERING:

• Vertical Mullions
• Horizontal Mullions
• Anchors
• Embeds / Inserts
• Specialty Components

PANEL FACADE:

• Panel Analysis- Composite material, solid sheet and perforated
  
• Panel Connections
• Panel Support Structure
  
  

Span chart for unstiffened 4mm aluminum composite panel
This link to a chart provides maximum width dimension of unstiffened 4mm Aluminum Composite Panel for allowable deflection and stress criteria over a range of wind pressures.  Values derived from simple support, one-way panel analysis.

STONE FACADE:

• Stone Analysis
• Stone Attachments
• Backup Structure

Dimensional Stone and Stone Facade;  Structural Engineering, System Design, Consulting, Shop Drawings, Shop tickets for:        

• Exterior and Interior Stone; Dimensional Stone, Handset Stone, Stone veneer
• Stone System Back-Up Structure; Steel, Strut, Aluminum, Truss Stone System Anchorage-split tails, pins, dowels, ferrule inserts, extrusions, epoxy
• Complete stone cladding system engineering, design, consulting, detailing.

SKYLIGHT

• Rafters
• Purlins
• Anchors

SPECIAL SERVICES OR INDIVIDUAL ENGINEERING APPLICATIONS

• Windload Analysis
• Seismic Analysis
• Code Consultation
• Development of System Capacity Charts and Graphs
• Curtainwall Systems Investigation and Selection
• Development of Computer-based applications for Curtainwall Structures
• Review of Client Structural Calculations
• Review of Client Shop Drawings
• Preliminary Review - Value Engineering
• Review of Stone Strength and Stone Selection
• Field Troubleshooting
• Thermal Analysis
  

Additional services are available upon request