WALL SECTIONS ON PILES. 



125 



and specially calculated to meet the exceptional conditions 

 obtaining, viz. a bed of soft yielding material of abnormal 

 depth. 



The general idea was a foundation of timber piles capped 



Face of Waff 



SECTION ON LINE A B. 



f--t-t----t-t----M"- \- 



II mr 



FIG. 92. 



by a platform at the rear, with a monolithic concrete block 

 facing to about 15 feet below low water, sustaining above a 

 stone-faced wall. The section and details of construction varied 

 somewhat, as occasion required, to meet local peculiarities of 



site, but practically the method of construction is shown by 

 Figs. 92 to 98. 



The timber used for piles consisted of white, yellow, or 

 Norway pine, Cyprus or spruce, varying in diameter from 



