74 



enemy of creosoted piling in this region. In one of the earl\- years of this Committee's 

 work there was under observation a pile-dri\ing crew in this Bay, with a raft of creo- 

 soted piHng dogged across the center of the raft (fig. 24). As the raftsman worked the 

 piles out of the raft up to the driver, he drove dogs into the piles at five different points 

 in their length. It has been a common sight to see rafts of creosoted piling dogged 



Fig. 24. (1) A raft of creosoted piles chained together by means of rafting dogs. Untreated wood will 

 be exposed to borer attack when the dogs are pulled out, wherever the holes come within 

 the water section of the piles. 

 (2) Creosoted ferry slip piling, attacked by Limnoria where creosoted zone \vas cut through in 

 construction. 



diagonally across, each pile being permanently damaged, as the holes made by the 

 dogs were seldom plugged. The use of dogs should be unconditionally prohibited, 

 except within specified distances of either end of piles, which will allow ample margin 

 to protect the water section of the piles. When creosoted piles are prepared for towing 



