6 4 



the draft and cover with ashes or pull the fire. Be 

 careful how you start water into a boiler. 



Precaution for a Cold Night. On a cold night, or 

 a night liable to frost, see that the engineer leaves no 

 water in the glasses. 



Water Barrels. The water barrels from which the 

 boilers are fed should be kept completely covered ex- 

 cepting an opening Tor the injector pipe. Keep this 

 barrel clean. The men should not wash their hands 

 in it. 



Water Needed for Boiler. To find the water re- 

 quired for the boiler multiply the H. P. of the boiler by 

 30, which gives the pounds of water per hour. Divide 

 by 8, which gives the number of gallons per hour. 

 Boiler H. P. x 30 



= Gals, per hour needed. 



8 



Fire Insurance. The centering nearing completion 

 on a large unit of work represents a heavy investment 

 in labor and material, and it might be well under cer- 

 tain circumstances to protect this centering with fire 

 insurance. The insurance should also cover the plant 

 and machinery. 



It is a good plan to have the hose on for fire protec- 

 tion. Have a tank or stand pipe on top of the concrete 

 tower, where there is no hydrant pressure. 



FREIGHT. 



Shipping, Tools, Equipment and Material. When 

 shipping equipment, engines and mixers, see tl 

 detachable parts ar d. This will anticipate 



Ilieir theft and save trouble. Be sure to brace 

 thing solid when shipping equipment to avoid break- 

 age. 



Find out from local freight men the height allowed 

 above deck of flat car for bridge clearance, etc. 



In loading a mixer on a flat car it is a good method 

 to build a crib out of runway planks and elevate your 



