Cost Comparisons
Case Study on Rope Access Techniques for CUI Inspection – National Petroleum & Refining Association Document # MC-02-87
THE USE OF ROPE ACCESS TECHNIQUES TO INSPECT FOR CORROSION UNDER INSULATION ON TOWERS IN AN OPERATING PROCESS PLANT
Site # 1 Work Scopes
CUI visual and ultrasonic inspection of tower (8′ diameter x 175′ height) and its 18’ overhead line.
No safety incidents occurred

Site #1 – 65% cost savings using Rope Access methods as compared to conventional scaffolding based on fixed price quotes.

Site #1 – 32 days for completion verses an estimated 75 days for scaffolding.
Site # 2 Work Scopes
CUI visual inspection of tower (10′ diameter X 100′ height) and overhead line (12’ diameter x 115′ length).
No safety incidents occurred

Site #2 – 45% cost savings using Rope Access methods as compared to conventional scaffolding based on fixed price quotes.

Site #2 – 7 days for completion versus an estimated 21 days for scaffolding.
Conclusion