83 



tlu-v have hmight in nmtd faith liikIlt previous coiiditions of practice, because of new 

 restrictions. In tlie case of creosoted piling the increased cost of getting new require- 

 ments fulfilled will be lessened, as well as the danger of having rejected piling slipped 

 in again, if provision is made for the acceptance of piling when properly repaired after 

 rejection because of dog holes or similar injuries. 



The diffi(-ult\- in bringing about imprownient in h.uidling and construction prac- 



Fig. 29. (1) Disintegration in concrete composite pile. Probably a result of poor workmanship. 



(2) Disintegration in concrete jacket placed on pile previously covered by battens and paint. 

 Pile attacked by Limnoria where coverings have failed. 



tice is due, not only to the difficulty of training workmen in new ways of doing an old 

 job and to lack of understanding by workers of the nature and seriousness of the dam- 

 age caused by carelessness, but equally to lack of understanding by managements 

 both of these things and of the large returns it is possible to realize through care, 



