132 GARDEN DESIGN 



path say 8 ft., and the double descent gives an 

 opportunity of making fine steps always the 

 most interesting part of a terrace. Or the 

 lower terrace may finish with a bank instead of 

 a wall steps being still required. A parapet 

 should be provided to any retaining wall over 

 3 ft. in height to give a sense of security, and if 

 not of masonry a low hedge, or low posts con- 

 nected by chains or rails may be substituted. A 

 parapet about 20 in. high, finished with a flat coping 

 makes a pleasant seat, and vases and other archi- 

 tectural details can be placed on it. 



In double terraces, and particularly where a 

 succession is necessary, an excellent feature is 

 possible by bringing forward one terrace over the 

 other (see Diagram 47). 



The terrace may be sustained by brickwork, 

 masonry or a grass bank ; brickwork or masonry 

 must accord with the style of the house. A 

 slight batter of i in 10 gives additional security, 

 while in the event of the wall bulging from pres- 

 sure behind, it is less noticeable than when a verti- 

 cal line is upset. The terrace walk should slope 

 away from the house about iin. in 10 ft. Foun- 

 dations must be on the solid subsoil with at least 

 a foot of concrete under the footings, for walls over 

 3 ft. in height. " Weep-holes " of land drains 

 thrust through at intervals must be provided to 

 carry off water, and a foot of rubble should be at the 

 back of the wall to let water sink quickly, and not 



