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Show J , Pa g e 3 I r . LOWER. FLOOD DAi.1 UP ?BR l<'L OOD DAM Th is dam wa s or ig in y bu ilt · by the cit y of Mt , ple asall an t in 19 28 - 29 , On No vem ber 13 , 193 4 , . C. J . C. Camp Ft~ 22 3 . ue ga n pr oje ct of re isi ng an d enthe lar gin g the dam . Now thn t it is on tl~ ve r g e of be ing fin ish ed , low ing f a cts ar e su bm itt edthe fol ~ wh a t ha s be en do ne . An en ~s to s9 ill wa y ha s be en pu t in lar ge d ov er ~l l len gth of 111 fe e wi t h an t fro m the fro nt of the dam to the fu rt h ere s t end of the low er ap ron . Th ere is a dro1J of 36 fe et in th is dis tan ce . The sp ill wa y wa s or igi na lly 60 fe e t wi de bu t ha s be en na rro we d down to 50 ~• e t now , (c on td ~ on pag e 4) • • Th is pr oje ct is the re tir el y of c.c .c . lab or sinsti l t ce la st November.. On th is dam the way is 40 fe e t wJ d e and ha sp ill • ov era ll len gth . of 50½ fe et.s an lev el wh en fin ish ed of th• . The wi ll be six fe et abo ve the sp ill wa y ou nd ing gro un d l~v e~ . The su rrdik es are ea ch 11 10 f.e et. lon g, In ord etll to pu t in the sp ill wa y, 13 00 ya rds of •xc ava tio n wa s ne ce ssa ry, Wh en co mp let ed the dik es wi ll co nta in 19 ,65 0 cu bic ya rds of ea cu bic ya rds -of rub ble aasrth . 1,2 30 on ry wi ll be in the sp ill wa y. 78 0 cu bic ya rds of wi re ba sk et, co ns ist ing of dry roc k wa lls ti ed al l a rou nd an d thr ou gh the ce wit h wi re me sh , an d dry roc nte r rie rs are to be pu t in the k ba rcre ek abo ve the .sp ill wa y as in the up pe r dam . |
