How do I specify shotcrete for my projects? What resources are available for developing performance specificaitons for shotcrete? ACI 506.2 – Specifications for Materials, Proportioning and Application of Shotcrete. ACI 506R-05 – Guide to Shotcrete. By Coastal Gunite| 2015-02-27T18:51:12-05:00 February 27th, 2015|0 Comments Share This Story, Choose Your Platform! FacebookTwitterLinkedinRedditTumblrGoogle+PinterestVkEmail About the Author: Coastal Gunite Leave A Comment Cancel replyYou must be logged in to post a comment.