CONTENTS xi 



CHAPTER XII 

 STEAM INSTALLATION 188-199 



General principles Size and length of coils 

 Size of supply and return pipes Valves 

 High pressure steam heating Vacuum and 

 vapor systems Arrangement of boilers 

 Steam pumps and steam traps. 



CHAPTER XIII 

 BOILERS, FUELS AND FLUES .... 200-225 



Essentials of a boiler Grate surface Fire 

 surface Types of boilers Cast and wrought 

 iron boilers Styles of cast iron boilers 

 Styles of wrought iron boilers Steam and 

 hot-water boilers Boilers for burning hard 

 and soft coal Under-fed boilers Self-stok- 

 ing boilers Size of chimneys and flues 

 Arrangement of flues. 



CHAPTER XIV 

 WATER SUPPLY AND IRRIGATION . . . 226-241 



Amount of water required Types of pumps 

 Capacity of pumps Power required 

 Hydraulic rams Capacity of rams Wind- 

 mills for pumping Storage tanks Capacity 

 of storage tanks Overhead irrigation 

 Sub-irrigation. 



CHAPTER XV 

 CONCRETE CONSTRUCTION .... 242-256 



How concrete is made Kind of sand re- 

 quired Kind of stone or gravel required 

 Crushed stone How materials are propor- 

 tioned Directions for mixing Amount of 

 water required Estimating materials 

 Forms for walls Reinforcing Walks and 

 floors Water-proofing Concrete blocks 

 Cost of concrete work. 



CHAPTER XVI 

 PLANS AND ESTIMATES 257-262 



Basis of estimate Average costs Detailed 

 estimates Information required in obtain- 

 ing estimates. 



