Notes to Appendix A.
122
Rubble backing to Praya wall in rough coursed, granite set in Poste -land cement mortar (composed) of
1 part cement to 3 parts sands) will cost about $4.68. Yund.
per
Concrete backing to Trays wall
cable.
Com
posed of 1 part Portland cement, to
parts broken
granite
iter will cout
about $
Prving the
5.35 per
cubic yards
roadway to Prayas with con-
crete blocks, composed of Portland co- ment 1 part, broken granite to parts
and
༡༤
set in Portland cement, will cost about 31 cents per
рег
cubie
foot
4: