Show CONCRETE WORK OK IS STARTED ON ON BIG BIC i. i CAJUN LOCKS OF PANAMA f 1 WASHINGTON w. Sept 11 concrete Concrete work on the tho Gatun anI and Pedro j Miguel locks Jocks of tho the Panama canal ha has begun according n to th tho tue canal annJ commission The first concrete in th tho former was laid bid bidon on August lIl t 21 I. I It is being placed in time Iho foundation of the thc center wall nl which will trill divide th the tho two south or upper tipper lock ock On tho the latter tho the work vork was n-as he begun un in in tho tIn center r guide wall vali at the tho tower or r south nd end on Sep Sep- t timber I 1 Ou On time tho latter work a tern temP mixer is 15 bt being n used having a n c capacity ty of oe only 1212 cubic material p r hour pending tho th lion HOll of time tho stationary plant have a capacity It of cubic cobic yar lr working day rime Tho plant for mixing at lock sio has hns a maximum ma cap t 1020 1920 cubic uhic yards ot of Concrete in in hours hour It 11 13 ma estimated that tint 2 ij cubic r of Concrete Concrete- work laid aid on this lock which locks Jocks and anti approach i 11 and I i take talo approximately 2 bar birr cement for th the work At t Gatun there them will be six siz lee three pairs pair which will mak maKe mak a 1 from sea lev to ta S SI feet above aboy level JC lach lock will trill be 16 f fet have hav a a usual length of boo 1000 0 i will iII have Jl 41 1113 13 feet of wafer ov O f sills when the tho surface of ORton ia a hi hiat at the height of S feet a a l mean s sea sen a level Jont |