DOUBLE-UNIT HOUSE 



129 



hemlock or yellow pine. A 2 x 6 inch girder runs the length of the 

 building supporting the rafters along their centre. The girder is 



Floor Plan. 



Front View. 



FIG. 83. Working plans of a double-unit laying house. Each unit 20 x 20 feet, with a 

 capacity of 100 birds. 



supported every ten feet by 4 x 4 inch posts, resting on concrete 

 piers. The plates which rest on studs should be made of 2 x 4 inch 

 material doubled, and joints " brcfcen." 

 9 



