Core Drill Design Calculator

Important Message from Engineering Express

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.

No warranty or guarantee whatsoever is offered with any results obtained herein.


AGREE & CONTINUE
Use this calculator to ensure core drills in concrete can withstand required loading. Order Signed and Sealed calculations by clicking the “Order Engineering” Button.
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Core Drill Design Aid
ASCE 7-10 & ACI 318

Version 6                                        8/28/2019
core drill railing
SSC- Aluminum Railing Calculator-V7
Order Certified Copies of these preliminary results - useful for permitting   
 Click 'Next Page' above when you're done to easily process your order
TOPCAP LOADING
P conc : lb   Concentrated Load on Top Rail Per Code
P lin : plf  Linear Load on Top Rail Per Code
INFILL LOADING
HVHZ?
Visit our Knowledgebase Wiki "What is the HVHZ - High Velocity Hurricane Zone - In Florida"
Wind Pressure: psf (ASD PRESSURE)
Need help finding your pressure? Use our Fence Foundation Calculator!
Porosity:
Wind Infill: Uniform Wind Load on Infill Members
Code Iinfill: HVHZ Uniform Load on Infill Members
Infill Height (Hi):      
RAILING CONFIGURATION
Post Spacing (L): ft    
in    
in
Post Shape:
Clear Span:      
Top Rail Height: ft total    FALSE
Top Rail Dimension: in (perpendicular to lateral load)
Top Rail Load Height:      
Bottom Rail Height: in    
GOVERNING POST FORCES
Moment (M):       
Lateral Infill Load Required:   =Pres*H*L  @ Post Mid-Height 
Lateral Service Required:   =Max(Pconc, Plin*L) @ Post Topcap 
CORE DRILL CHECKS
Grout Strength (F' g ): psi    
Concrete Strength (F' c ): psi    
Post Embedment (h): in    
Core Drill Diameter (d): in    
Slab Thickness (t): in    
C1: in    
Minimum Slab Thickness (t min ) =    = 1.5 * C1    
Maximum Post Embed (h max ) =   = 2/3 * t    
  Overall Structural Check:    
Click "Next" below to order signed and sealed calculations.

TO SAVE YOUR WORK:

1) Click the red “SAVE, SHARE & SYNC” button above.

2) Enter a key phrase or word in the “secret key” field and click the blue “Connect” button. You are connected if the white cloud turns green.

3) Return to your project by clicking the red “SAVE, SHARE & SYNC” Sync button, entering your secret key, and clicking the blue “Connect” button.

Share your project by clicking “Share the Link” after connecting and copying the link to send to coworkers, colleagues, and clients!

 
CONTRACTOR & JOB INFORMATION 
Contractor Name:  
          
Contractor Address:  
          
Contractor City/State:
   
           
Job Name:  
        
Job Address:  
        
Job City/State:
   
               
 
  If you're done with the above, go on top and click on "Order Engineering" to submit for review and certification 
       
    Internal code:   
  (Code is for admin use only)  
     

Core Drill Design Calculator

$80.00

Check the required edge distance for your railing post core drill to concrete to ensure code compliance.

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Note: Effective June 1, 2021 licensing fees are added to all calculator and plan orders

Plan Format

Digitally Sealed File, Sealed Hardcopy

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