MIAMI TECH, INC.
AS14 Heavy Duty
A/C Stand Design Tool
FBC 6th Ed. (2017) - HVHZ & NON-HVHZ
Use with NOA #: 17-1218.02
Or FSA #:
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FL24546.1
CONTRACTOR & JOB INFORMATION
Contractor Name: Job Name:
Job Address: Job City/State: , FL
      DETERMINE SITE SPECIFIC DESIGN PRESSURES  
Lateral Wind Load and Uplift Wind Load shown below are for both HVHZ and non-HVHZ zones.
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(STEP 1) Exposure Category:
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How to Determine
Lateral Wind Load (psf) = 
(STEP 2) Roof Height (ft):
Uplift Wind Load (psf) = 
(STEP 3) Windspeed (mph):
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Get Windspeed
      STAND AND UNIT INFORMATION  
Lateral Wind Load and Uplift Wind Load shown below are for both HVHZ and non-HVHZ zones.
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(STEP 4)         (STEP 5)    
Unit # Width (in) Depth (in) Height (in)
1
Unit Height must be less than or equal to 60 inches.
Post Height (in) =
See Requirements
2
Unit Height must be less than or equal to 60 inches.
Stand Depth (in) =
3
Unit Height must be less than or equal to 60 inches.
Number of Frames =
4
Unit Height must be less than or equal to 60 inches.
Roof Substrate:   
5
Unit Height must be less than or equal to 60 inches.
Part No.
   
Lateral Wind Load and Uplift Wind Load shown below are for both HVHZ and non-HVHZ zones.
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DESIGN CHECK SUMMARY    
Moment In Post
Moment In Frame
Moment In Rail
Axial Load In Post.
Frame Weld (Moment)
Frame Weld (Shear)
Base Weld (Moment)
Base Weld (Shear)
Channel Weld (Moment)
Channel Weld (Shear)
 Anchor Capacity
Clip Capacity
Moment CAB Angle
CAB Angle Tie-Down
         
This document is not legally binding without the certification of a Professional Engineer. 
NOTICE TO ALL CONTRACTORS AND BUILDING OFFICIALS:
ALL CALCULATION RESULTS CAN ONLY BE ACHIEVED BY AND USED FOR MIAMI TECH A/C ROOF STANDS COMPLETE SYSTEM
OF FRAMES AND I -BEAMS BEARING THE MTI STAMPED MARKING ON ITS COMPONENTS.
• Contractor to determine beam length based on unit width(s) PLUS the required spacing of units as specified by the euipment manufacturer.
• When specified stand depth indicated is greater than the unit to be mounted, Cross Mounting Angles (MTI part # AS14CAB-xx) are a 
  required accessory for installation.
• If no results found using this calculator, please Contact Miami Tech Inc at (800)-339-2290 for further assistance.

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