Construction Plan-\
4-~& VE~T. IDA~D
( 4- ) 12" DIA. GONO,
ANZ~ ~*D TIED AT
EXTEND V~.T.
IDA~ !~'" INTO FOOTINO
b
b
AND FOOTINO
A
12'" DIA, C..ONC,,
AND ~D TIE.~ AT
EXT'~ND V'E~T,
IDA~,~ I~,1~ INTO
,%
/- b
(STONtE
OOLU~NS
/ P~ALL
¢~OUNOCO~
HI~ELLA~OU5
.I