39 MISCELLANEOUS STRUCTURES 



It should be noted that no joints have been provided in the roof 

 to accommodate expansion and contraction. No cracks appeared dur- 

 ing the first year, and none are expected to appear. 



The roof is reinforced where the metal smoke jacks are located, 

 as shown in Fig. 185 and Fig. 188. 



The forms used in constructing the roof are shown in Fig. 189. 

 The round-house is standard for the Canadian Pacific Railway, and 

 cost $3,000 per stall. 



