Table 9. Typical 1978 West Coast Costs for 

 Coating New Antenna Towers 



Item 



Cost of Coating System ($/sq ft) 



Alkyd 



Vinyl 



Chlorinated 

 Rubber 



Epoxy 



Zinc, 

 Rich b 



c 

 Shop blasting 



Shop priming 



Primer material 



Field application of 

 intermediate coat 



Intermediate coating 

 material 



Field application of 

 finish coat 



Finish coating material 



0.25 

 0.06 

 0.025 

 0.20 



0.022 



0.10 



0.022 



0.30 

 0.06 

 0.056 



0.20 



0.136 



0.10 



0.053 



0.25 

 0.06 

 0.054 

 0.20 



0.092 



0.10 



0.038 



0.25 

 0.11 

 0.041 

 0.25 



0.079 



0.15 



0.037 



0.30 

 0.16 

 0.087 

 0.25 



0.041 



0.15 



0.059 



Total 



0.679 



0.905 



0.794 



0.917 



1.047 



From Reference 14. 



Self-cure inorganic zinc primer, high-build epoxy intermediate coat, 

 and aliphatic urethane topcoat. 



"Commercial blast for alkyd, chlorinated rubber, and epoxy; near 

 white blast for vinyl and zinc rich. 



Includes $0.10 for field touchup of damaged areas (10%). 



Table 10. Relative Costs and Expected Service Lives of Coating 

 Systems in Different Industrial Environments 



Coating System 



Relative 

 Cost 



Expected Years of Life in 

 Industrial Environment 



Mild 



Moderate 



Severe 



Alkyd 



Vinyl 



Chlorinated Rubber 



Epoxy 



Zinc Rich 



1.00 

 1.40 

 1.16 

 1.42 

 1.54 



7 

 10 

 10 

 10 

 12 



5 

 9 

 9 

 8 

 10 



3 

 8 

 8 

 6 

 7 



From Reference 14. 



27 



