Show os e s rl Yr ti rr py r rp r 4 p I i v r r rl r J p f A r A s. s y l i 3 I r f r N. N fir rr f J e a r f VW w 1 r i ff N a Y k fi w Workmen pour concrete vent ent structure which 1 bends down into Big Cottonwood can canyon on Con Con- concrete with steel pipe to be laid under under under un un- I der can canyon on floor it allows allous air bubbles to escape u t t i p Y 4 rF Q 4 P wh i 1 H i L t if i iv q v w SS I Y pt J r Je f i M t. t x 0 1 7 F p H x r Jt r 7 to v ice r op R f k v 0 k ae c k t r g w v y yi tr aye i 4 7 x IJ I e JIo zt 1 f i f ta 4 r vr e s CJ C 40 Y-L Y A E A y 1 s S d f Y f Y A sv t epi is tO 1 V 41 p. p H t A- A 4 f cA PL 10 w it z 1 04 Yr 3 Huge trench now extends practically all aU the way from Provo Pro can canyon on to Salt Lake Cross ditches encase bell end of the pipe I ti 4 r r rr r An 4 r J nr k JI JIa a J r KJ Y r NJ 4 f fv v l ve r J Jr r r r e J N f F Fe e J FP l y Section ou on right fits tits snugly 1111 into shaped bell section on HI the I 6 l left ft A huge rubber ga gasket pressed flat lInt in action seals heals pipe I I Boulevard Engineers' Engineers View Progress on S. S L L. Aqueduct The Salt Lake aqueduct has s always been b been en f t k keen n interest to area e. e residents ts With With construction moving onto the benches in front of the city's familiar canyons more and more Salt Lakers are able to view the project first hand Work Vork is now progressing be between between between be- be tween Little Cottonwood canyon and the city andr can be seen by riding along Wasatch boulevard With exception of Smile mile S mile section in upper Provo canyon yet to be contracted only the milo mile milo stretch up the city remains to tolay tolay tolay lay pipe A reservoir must then be he built at this end of the aqueduct Also planned is a f filtration plant Lack of such a plant in the city's present present present pres pres- ent system is subject to much controversy The work has proceeded only as congress has made funds a available available avail ail able year by year Construction was delayed during war years by lack of materials and manpower Members of the metropolitan water district hope for its completion completion completion comple comple- tion in the fall of 1950 if 1950 if all goes well High cost of materials is now proving a handicap L. L R R. Dunkley reclamation bureau project engineer and Arnold Arnold Arnold Ar Ar- nold M M. Marston arston resident engineer for the Salt Lake region are doing their utmost to speed work But a carefully engineered aqueduct is their foremost objective As now built the aqueduct is slated to last hundreds of years providing Salt Lake cubic feet of water per second Concrete pipe 69 inches inside diameter and 20 feet long makes up main mam channel Steel pipe w will willbe willbe be laid under each canyon floor t to withstand extreme pressure of water as it rushes down When finished Salt Lake will have top source of water r rf f tt w c f r 3 yr 9 c- c cN N r j ss t Y r 2 i rl J f 1 l J s r s ra y r. r yr p y 1 yr M r r rr r Huge crane known as stops in operation of or lowering I 4 pipe into trench Engineer Marston Manton views s Hughes can canyon on section I r d I. I I y f t fy r c. c t l i k y 4 l itt M 1 f r r rr l' l A T y r r. r i t t r or w f f. f J- J Ji M i F d L A. A 2 Huge safet safety valve alve termed morning glory Is only one on aqueduct It is at mouth of or Little Cottonwood canyon canon 1 r r rl l y 0 I F je l r. r r v r ed e J dr r r o rr r fJ J t 3 r tl off lr t tera J era eral l 1 t. t fr r refry F 2 t aw r r o l r d. d I F rr yr J li F u r rf f 1 y r. r yX i c. c e iJ t if f y l Interior view v shows how operated hand winch which winds up steel 5 cable Cable in turn pulls the pipe lowered by crane Into place I r v rF w it j- j jv v nw M v r ti S rv w it Z 1 y h t- t tt t P X JL r MSS P 4 V e VJ t 4 Thy 4 c cw w f ft I t t i J I 1 1 l 1 I. I f t. t i ft r r I V i p t F r r Iti JI f y i J JV S q 2 7 Bulldozing Ing caterpillar traCtor pu pushes hs h's earth across cross th the top of or orthe the pipe completing the operation Dirt Is first sluiced in m in with nth Tribune Telegram Photos Photos Snyder a stream of water to pack It firmly around bott bottom m half of pipe I 1 I This work is under way between Hughes and Mill MII Creek canyons canons |