CO129-130 - Sir MacDonnell - 1868 [4-5] — Page 553

547

one is commenced.

The gut Course to be all headers. The 3rd Course to be beaders

and stretchers alternately.

in one

Face of Wall to batter & inches

foot and be finely Coolish outside perpendicules on the inside_ this batter is to be ent on the face

of stone.

Concrete of 2 Line 2 decomposed granite and's stone chifing is to be well mixer. off the work, and fut in 3 feet wide behind the

footing, to proceed layer by layer

the wall rises, and to

دستان

2 feet width at the top..

measure

"The Wall to be cofed with

"tones 16 inches deep, projecting semicircularly Pinches.

"The Tones to have square bed

M

and close joints on each side, finely top and front.

سایت استان کر

into

"Coping stones to be dove-tailed

shewn on flam.

one another as shewn on

"The inner side of copping have a semicircular channel

to

cut out in it and out lets mate

in every other stone the channels to be 12 inches wide the out let Cinches.

"Be the

Cofing & Parafil wall is to be constructed, in

Eiginal single stones 18" square upper arriva Chamferred and each stone 5 feet,