Canopy & Pergola Design Loading Calculator BETA

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By clicking below, you agree that the use of this design aid is for estimating purposes only. Results are not valid for use & no construction or design shall be performed without the review and certification by a registered professional engineer.

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Engineering Express

ASD DESIGN LOAD COMBINATION CALCULATOR FOR CANOPY & PERGOLA DESIGNS

BETA: Verify all results with a design professional before use

For At-Grade Freestanding or Host Attached Canopies & Pergolas Using ASCE 7-16
For Help, Hover Labels, See Images Below, Or Visit The Glossary
HELP - GLOSSARY
host attached pergola
Canopy Load Calculator - V2 2 04 2022
INPUTS
  Site Conditions  
UNITS
  Wind Conditions  
Input Ultimate Wind Speed, Vult, Based on Location
This can be found at hazards.atcouncil.org and is subject to your local building department Ult Wind Speed
MPH
Determine your site exposure category. Help can be found at ecalc.io/Exposure Exposure Category
HVHZ Zone?
Snow & Ice Conditions
Ground Snow Load can be found at https://hazards.atcouncil.org/ or via your local building department's design standards. Ground Snow Load
PSF
The ASCE 7-16 Chapter 10 Details a required ice loading calculation for "icing-sensitive" structures. This is required for pergolas with mechanically opening louvers and trellised roofs. Use the map at the link below to find your local icing thickness (between 0" and 2") Local Ice Thickness
IN
For temporary help: go to Ecalc.io/Icing For Icing Help:
(Link Coming Soon)  
Seismic Conditions
Due to their smaller size and construction, ground mounted canopies and pergolas do not always require seismic design analysis. However, some high-seismic activity areas require these calculaitons. Refer your local building department or contact us if you have any questions. Consider Seismic?
Ss and S1 values can be found at https://hazards.atcouncil.org/ by searching your address, and selecting "seismic", Risk Category II, & Site Class D (Default) Ss
Ss and S1 values can be found at https://hazards.atcouncil.org/ by searching your address, and selecting "seismic", Risk Category II, & Site Class D (Default) S1
SDC Classification can be found at https://hazards.atcouncil.org/ by searching your address, and selecting "seismic", Risk Category II, & Site Class D (Default). If not shown, refer your local building department designation. Calculations are not valid for SDC E and F SDC
Structure Design
Freestanding
or Host Attached?
 
Other roof styles such as flat pan roofs or acrylic panels can be calculated with this tool, but may need additional certification from a structural engineer. Roof Type
Total structure width, including any overhangs or extensions
FT
Total structure width, including any overhangs or extensions Structure Width
FT
Total structure height from ground to highest point Structure Height
FT
Wind and snow drift calculations are affected by how tall an attached canopy is in relation to its host's eave height. Attachment Location
 
Select this option to show detailed results and a full loading breakdown. Certified report pages will always show full loading breakdowns Show Detailed Results?
 
     
OUTPUTS
Master Plan Design Aid:
Use these ASD Design Pressure values for elements which do not contribute to the structure's main structural system. This can include but is not limited to louver blades, rafters, windows, shutters, and non-structural attachments.
Note that these pressures do not apply for walled structures, as many wind calculations would be affected. Components &
Cladding (C&C)
 
Use these ASD Design Pressure values for design of the structure's main wind force resisting system. This may include but is not limited to structural roof panels, beams, mullions, posts, and other structural connections.
Note that these pressures do not apply for walled structures, as many wind calculations would be affected. Main Wind Force Resisting System (MWFRS)
 
 
The pressures listed below are unfactored, LRFD pressures. These values have been considered in calculation of the ASD design load combinations above as detailed in ASCE 7-16, ch 2.4 Detailed Loading Breakdown
 
  Static Design Conditions  
Dead Load PSF
Live Load PSF
  Wind Loads  
C&C - Gravity (+) PSF
C&C - Uplift (-) PSF
C&C - Lateral PSF
Main Wind Force
Gravity (+) 		PSF
Main Wind Force
Uplift (-) 		PSF
Main Wind Force
Lateral 		PSF
  Snow Loads  
Ground Snow Load PSF
Flat Roof Snow Load PSF
Unreducible Snow Load PSF
  Icing Loads  
Where icing loads are considered, reduced wind speeds and pressures have also been considered.
PLF
Where icing loads are considered, reduced wind speeds and pressures have also been considered. Icing Load On Beams
PLF
  Seismic Loads  
LB
Effective Seismic Moment LB* FT
  Design Load Combinations  
C&C - Gravity (+) PSF
C&C - Uplift (-) PSF
C&C - Lateral PSF
Main Wind Force
Gravity (+) 		PSF
Main Wind Force
Uplift (-) 		PSF
Main Wind Force
Lateral 		PSF
     
ORDER CERTIFIED RESULTS
Version 1.1
© Engineering Express Updated 2/08/2022
canopy loading diagram

Canopy & Pergola Design Loading Calculator BETA

Engineering Express

ASD DESIGN LOAD COMBINATION CALCULATOR FOR CANOPY & PERGOLA DESIGNS

BETA: Verify all results with a design professional before use

For At-Grade Freestanding or Host Attached Canopies & Pergolas Using ASCE 7-16
For Help, Hover Labels, See Images Below, Or Visit The Glossary HELP - GLOSSARY host attached pergola
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