20- PLANTING. 



row of through band stones, six at least to the rood of 

 18 feet. 



Fifth. The dyke to be built double to the height of 

 45 inches ; and aU principal stones in each side must 

 dovetail with those in the heart of the building ; and 

 all interstices must be firmly and closely packed. 



Sixth. The building at the height of 45 inches to be 

 12 inches in width. 



Seventh. All holes on both sides of the dyke f^ 

 firmly pinned with small stones, so as to preg 

 smooth and uniform surface. 



Eighth. AU stones to be laid on their natural 

 with their seams horizontal, and none of a \^ 

 nature to be used. 



Ninth. At the height of 45 inches the top oftrihe 

 building is to receive a coat of well-pireparec^d >e, 

 mixed with the usual quantity of sand, as aj" jr 

 the cope. -^"^Ist an 



Tenth. When the building is finished as des^ntar a 

 cope of roughly dressed stones 9 inches in depltjind 

 12 in breadth to be properly placed on it,; an^Rior- 

 oughly buUt and pointed with lime. 



Eleventh. The entire height of the dyke when finished, 

 and including the cope, to be 54 inches, measuring 

 from the ordinary level of the ground. 



Twelfth. The whole work to be finished in a proper 

 and workmanlike manner, to the entire satisfaction of 

 the employer. 



The cost of workmanship alone of such dykes varies 

 from lOd. to Is. 2d. per lineal yard, exclusive of 

 cartage or preparing materials — some even less, and 

 some more. 



