,,am]ican ,,society ,,( ,,civil ,,eng9e]s ,,in/itut$ #aheb ,,transactions ,pap] ,no4 #aagc ,a ,,concrete ,,wat] ,,t[]4,a ,,by ,a4 ,,kempkey1 ,,jr41 ,,jun4 ,,am4 ,,soc4 ,c4 ,e4,b ,,) ,,discussion ,,by ,,messrs4 ,,maurice ,c4 ,,c\*ot1 ,l4 ,j4 ,,m5s*1 ,a4 ,h4 ,,m>kw>t1 ,,& ,a4 ,,kempkey1 ,,jr4 ,! ,city ( ,victoria is situat$ on ! s\!rn end ( ,vanc\v] ,isl&1 9 ! ,prov9ce ( ,briti% ,columbia1 ,canada1 & is ! capital ( ! ,prov9ce4 ,9 common ) all cities ( ! extreme ,we/1 its gr[? has be5 v rapid )9 ! la/ few ye>s4 ,! population ( ! city prop]1 toge!r ) t ( ! municipality ( ,oak ,bay1 imm$iately adjac5t1 is n[ ab\t #ce1jjj4 ,! ,victoria wat]-works are own$ by ! city & op]at$ "u ! direction ( a ,wat] ,commission] appo9t$ by ! ,city ,c\ncil4 ,by special agreem5t1 wat] is suppli$ to ,oak ,bay 9 bulk1 ?is municipality hav+ its own di/ribut+ sy/em4 ,! rapid increase 9 population1 toge!r ) ! fact t 9 rec5t ye>s v little _h be5 done t[>d increas+ ! wat] supply1 result$ 9 ! necessity = remodel+ ! entire sy/em1 & !re are v few cities :]e ?is w\ld involve z _m complex problems or a great] v>iety ( "w4 ,wat] is drawn f ,elk ,lake1 situat$ ab\t five miles nor? ( ! city2 !nce x fl[s by gravity to ! pump+ /ation ab\t f\r miles di/ant1 & f !re is pump$ directly to ! consum]s4 ,! remodel+ ( ! sy/em1 z rec5tly complet$1 provid$ =3 #a4--;,increas+ ! capacity ( ,elk ,lake by a sy/em ( levees4 #b4--;,increas+ ! capacity ( ! ma9 to ! pump+ /ation by replac+ ab\t two miles ( ! old #af-;941 wr\ght-iron1 rivet$ pipe ) #bd-;94 rivet$ /eel pipe4 #c4--;,increas+ ! capacity ( ! pump+ /ation by ! in/allation ( a #d1ejj1jjj-;gal4 pump+ eng9e ( ! close-connect$1 cross-comp\nd1 ,corliss1 crank-&-fly-:eel type4 #d4--,! con/ruction ( a #bj1jjj1jjj-;gal4 concrete-l9$ di/ribut+ res]voir 9 ! city4 #e4--,! entire remodel+ ( ! di/ribut+ sy/em1 necessitat+ ! lay+ ( ab\t #a_/b mile ea* ( #ah-;94 & #bg-;94 pipe1 & ab\t #a mile ( #bd-;94 rivet$ /eel pipe2 also ab\t #c1jjj tons ( ca/-iron pipe1 v>y+ 9 size f #d to #ab 94 #f4--,! provision = a high-level s]vice by means ( an elevat$ tank ( approximately #ajj1jjj gal4 capacity1 wat] be+ suppli$ to ! tank by two electrically-driv5 triplex pumps1 ea* hav+ a capacity ( #ajj1jjj gal4 p] #bd h\rs1 aga9/ a dynamic head ( #aej ft41 & arrang$ to />t & /op automatically ) a v>iation ( #c ft4 9 ! elevation ( ! wat] 9 ! tank4 ,^! pumps are locat$ ab\t "o mile f ! t[]1 & are controll$ by a float-op]at$ auto-/>t1 9 ! base ( ! t[]4 ,a description ( ! elevat$ tank1 :i* is novel 9 design1 ) ! reasons = adopt+ ! type ( /ructure us$1 ! me?od ( con/ruction1 & ! detail$ co/1 =m ! basis ( ?is pap]4 ,! t[] is on ! top ( ! highe/ hill 9 ! city1 9 ! he>t ( ! mo/ exclusive resid5tial di/rict1 beautiful homes clu/]+ ab\t its base4 ,! necessity = ar*itectural treatm5t ( ! /ructure is ?us se5 to be ( prime importance4 ,9 fact1 ! opposition ( ! local resid5ts to ! ord9>y type ( elevat$ tank1 t is1 lattic$ columns support+ a tank ) a hemisph]ical bottom & a conical ro(1 r5d]$ its use impossible1 al?\gh t5d]s 7 invit$ on su* a /ructure4 ,x is believ$ t "u ! conditions ( location1 ?ree types ( /ructure %\ld be consid]$3 ,fir/1 an all-/eel /ructure1 ! ornam5tation be+ produc$ by cas+ 9 ) brick or concrete2 second1 a brick-&-/eel1 or a concrete-&-/eel1 /ructure1 su* z ! "o actually erect$2 ?ird1 a typical re9=c$ concrete /ructure4 ,consid]+ only t portion bel[ ! tank1 ! am\nt ( mat]ial requir$ to case 9 a /ructure ( ! fir/ type w\ld be sub/antially ! same z t us$ to support ! tank 9 a /ructure ( ! second type4 ,consequ5tly1 ! /eel sub/ructure1 = all practical purposes1 w\ld repres5t a dead loss1 &1 !re=e1 ! economy ( ?is type is op5 to s]i\s "q4 ,a t5d] 0 receiv$ = a re9=c$ concrete /ructure id5tical 9 outw>d appe>ance ) ! "o built1 b1 ow+ to ! natural cons]vatism ( ! local resid5ts reg>d+ ?is type ( con/ruction1 x 0 n acceptable4 ,! t[]1 z built1 consi/s ( a holl[ cyl9d] ( pla9 concrete1 #aji ft4 high1 & hav+ an inside diamet] ( #bb ft4 ,! walls are #aj 94 ?ick = ! fir/ #gj ft4 & #f 94 ?ick = ! rema9+ #ci ft41 & are ornam5t$ ) six pila/]s 7#gj ft4 high1 #c ft4 wide1 & #g 94 ?ick71 a #d-;ft4 belt1 !n twelve pila/]s 7#ab ft4 high1 #ah 94 wide1 & #g 94 ?ick71 a cornice1 & a p>apet wall4 ,a /eel tank ( ! ord9>y type is emb$d$ 9 ! upp] #dj ft4 ( ?is cyl9d]4 ,to =m ! bottom ( ?is tank1 a pla9 concrete dome is ?r[n across ! cyl9d] at a po9t ab\t #gj ft4 f ! base1 ! ?ru/ ( ?is dome be+ tak5 up by two /eel r+s1 #a_/b 94 by #ad 94 & #c_/h 94 by #ah 941 b$d$ into ! walls ( ! t[]1 ! latt] r+ be+ rivet$ to ! l[] c\rse ( ! tank4 ,! tank is cov]$ ) a ro( ( re9=c$ concrete1 #d 94 ?ick1 conical 9 %ape1 & re9=c$ ) #a_/b-;94 twi/$ /eel b>s4 ,! design ( ! /ructure is cle>ly %[n 9 ,fig4 #a4 ,! t[] is built on out-cropp+1 solid rock4 ,?is rock 0 r\ghly /epp$1 & a concrete sub-base built4 ,?is sub-base consi/s ( a holl[ r+1 ) an inside diamet] ( #bj ft41 ! walls be+ #e ft4 ?ick4 ,x is ab\t #b ft4 high on "o side & #g ft4 high on ! o!r1 & =ms a level base on :i* ! t[] is built4 ,! =ms = ?is sub-base consi/ ( v]tical lagg+ & circumf]5tial ribs4 ,! lagg+ is ( d\ble-dress$1 #b by #c-;94 segm5ts1 & ! ribs are ( #b by #ab-;94 segm5ts1 #f ft4 long1 lapp+ pa/ "o ano!r & securely spik$ toge!r to =m complete or p>tial circles4 ,^! ribs are #b ft4 f c5t] to c5t]4 ,illu/ration3 ,,fig4 #a4--7;,full page image7 ,,wat] ,,t[] ,,victoria1 ,b4,c4 ,,wat]-,,works ,simil> con/ruction 0 us$ to =m ! tap] base ( ! t[] prop]1 except1 ( c\rse1 t ! radii ( ! segm5ts =m+ ! successive ribs decreas$ ) ! height ( ! rib4 ,tap]$ lagg+ 0 us$1 be+ made by d\ble dress+ #b by #f-;94 pieces to #a-c_/d by #e-ac_/af 941 & ripp+ on a diagonal1 ?us mak+ two /aves1 #c 94 wide at "o end & #b-c_/d 94 wide at ! o!r4 ,?is tap]$ lagg+ 0 us$ aga9 on ! #d-;ft4 belt & cornice =ms1 ! tap] be+ turn$ alt]nately up & d[n4 ,illu/ration3 ,,fig4 #b4--;,,=ms ,,= ,,wat] ,,t[] ,,victoria1 ,b4,c4 ,! int]ior diamet] be+ uni=m up to ! bottom ( ! dome1 collapsible =ms 7 us$ f ! beg9n+4 ,^! =ms 7 con/ruct$ 9 six l>ge sections1 #f ft4 high1 ) "o small key section ) w$ge piece to facilitate /ripp+1 z %[n 9 ,fig4 #b4 ,!re 7 ?ree ti]s ( ^!1 bolt$ end to end horizontally & to ea* o!r v]tically4 ,above ! tap] base & except 9 ! #d-;ft4 belt & cornice1 collapsible =ms 7 us$ on ! outside also4 ,!re 7 six sections ext5d+ f column to column & six column sections1 all bolt$ toge!r circumf]5tially & con/ruct$ z %[n 9 ,fig4 #b4 ,?ree ti]s ( ^! 7 also bolt$ toge!r bo? v]tically & horizontally4 ,hav+ fill$ ! top ti]1 ! mode ( op]ation 0 z foll[s3 ,all horizontal bolts 9 ! l[] inside & outside =ms 7 remov$1 z 0 also ! small key section on ! inside2 ?is left ea* section susp5d$ to ! correspond+ "o imm$iately above x by ! v]tical bolts be=e m5tion$4 ,x is ?us se5 t 9 ea* case ! c5t] ti] p]=m$ ! d\ble duty ( hold+ ! upp] ti]1 :i* 0 full ( gre5 concrete1 & ! sections ( ! l[] ti]1 until !y 7 hoi/$ up & aga9 plac$ 9 position to be fill$4 ,^! l[] =ms 7 !n hoi/$ by h&--f\r-"p tackles be+ us$--& plac$ 9 position on ! top =ms1 _! bottom edges be+ c>efully set flu% ) ! top edge ( ! =m already 9 position1 & !n bolt$ to x4 ,on ! outside1 ! column =ms1 & on ! inside1 ! w$ge & key sections 7 set la/4 ,a #c-lb4 plumb-bob on a f9e l9e 0 susp5d$ f ! inn] scaffold & c>efully c5t]$ ov] a po9t set 9 ! rock at ! base4 ,?is l9e 0 9 ! exact c5t] ( ! t[]1 & ! tops ( all ! =ms1 aft] ea* %ift1 7 c>efully set f x by measurem5t1 ?us keep+ ! /ructure plumb4 ,! fir/ #bc 94 ( ! b>rel ( ! t[] 0 m\ld$ ) special outside =ms1 con/ruct$ s z to =m ! bases ( ! l>ge pila/]s4 ,aft] elev5 applications ( ! #f-;ft4 =ms1 ^! #bc-;94 sections 7 rev]s$ to =m ! capitals1 ?us mak+ ^! pila/]s1 #fi ft4 #aj 94 ov] all4 ,! =ms ( ! #d-;ft4 belt & bead+ 7 made 9 twelve sections ( simple segm5ts & v]tical lagg+1 z %[n 9 ,fig4 #b4 ,two sets ( ! outside =ms 7 split longitud9ally1 z %[n 9 ,fig4 #b1 & us$ to =m ! small pila/]s4 ,! fir/ set 0 put 9 place1 fill$1 & ! concrete all[$ to h>d54 ,! bolts 7 loos5$ & ! =ms rais$ #e-a_/b 94 v]tically1 aga9 bolt$ up1 & ! second set 0 plac$ 9 position1 br++ ! top ( ! second set up to ! bottom ( ! cornice4 ,! bases & capitals ( ! small pila/]s 7 m\ld$ on aft]w>d4 ,! cornice =ms are cle>ly %[n 9 ,fig4 #b4 ,! small boxes sep>at+ ! d5tils are made ( light /uff1 & tack$ into ! cornice =ms s t1 9 /ripp+1 !y w\ld rema9 9 place & c\ld be tak5 out sep>ately1 9 ord] to prev5t break+ (f ! corn]s ( ! d5tils4 ,a numb] ( outside & inside sections 7 saw$ 9 half horizontally 9 ord] to provide =ms = ! p>apet wall4 ,! inside diamet] ( ! tank is #h 94 great] ?an ! inside diamet] ( ! base4 ,two sets ( inside =ms 7 split longitud9ally & op5$ out1 z %[n 9 ,fig4 #b1 & ano!r small section 0 add$ to complete ! circle4 ,! rema9+ set 0 left 9 place to support ! dome =ms4 ,! dome =ms 7 made 9 twelve sections1 bolt$ toge!r to facilitate /ripp+4 ,all ribs & segm5ts 7 cut to size on ! gr\nd1 put toge!r 9 place1 & !n cov]$ ) lagg+ & two-ply t> pap]4 ,! lagg+ on ! l[] %>p curve 0 =m$ ( a d\ble ?ickness ( #c_/h-;94 spruce1 ! rema9d] be+ #a by #d-;94 p9e1 siz$ to a uni=m ?ickness ( #g_/h 94 ,fig4 #c %[s ! con/ruction ( ^! =ms & ! me?od ( putt+ on ! lagg+4 ,! ro( =ms 7 made 9 eight sections & bolt$ toge!r to facilitate /ripp+4 ,all ribs & segm5ts 7 cut to size on ! gr\nd1 put toge!r 9 place1 & cov]$ ) #a by #d-;94 lagg+1 dress$ to a uni=m ?ickness ( #g_/h 941 & two-ply t> pap]4 ,fig4 #c %[s ! con/ruction ( ^! =ms4 ,! segm5ts be+ put 9 horizontally in/ead ( squ>e ) ! lagg+1 gave circles in/ead ( p>abolas1 mak+ !m mu* easi] to lay out1 & giv+ a =m :i* 0 amply /iff4 ,! "q ( us+ an inside scaffold only 0 c>efully consid]$1 b ow+ to ! consid]able am\nt ( ornam5tation on ! outside1 necessitat+ a l>ge numb] ( individual =ms1 x 0 n ?\ght t any economy w\ld result4 ,fig4 #d & ,figs4 #a & #b1 ,plate ,,xxiii1 %[ cle>ly ! con/ruction ( ! scaffold+4 ,illu/ration3 ,,plate ,,xxiii1 ,,fig4 #a4--,,scaffold+ ,,= ,,wat] ,,t[]4 ,illu/ration3 ,,plate ,,xxiii1 ,,fig4 #b4--;,,complet$ ,,wat] ,,t[]4 ,all concrete 0 mix$ wet1 9 a motor-driv51 ,smi? mix]1 & h&l$ (f ! outside scaffold1 be+ s5t up 9 :eel-b>r[s on ! ord9>y contractor's hoi/ & plac$ 9 ! =ms ?r\gh an iron *ute hav+ a hopp] m\?4 ,?is *ute 0 built 9 ?ree sections bolt$ toge!r1 ei!r "o1 two1 or ?ree sections be+ us$1 dep5d+ on ! di/ance ( ! =ms bel[ ! deck4 ,:5 ! top ( ! =ms rea*$ ! elevation ( any deck1 ! concrete 0 put 9 ?r\gh ! *ute f ! deck above4 ,! *ute 0 light & easily %ift$ by ! :eel-b>r[ m51 assi/$ by ! man plac+ ! concrete1 dur+ ! int]val betwe5 successive :eel-b>r[s4 ,illu/ration3 ,,fig4 #c4--;,,=ms ,,= ,,wat] ,,t[] ,,victoria1 ,b4,c4 ,! concrete1 except t = ! ro( & p>apet1 0 compos$ ( s& & brok5 rock1 ! run ( ! cru%] be+ us$4 ,t = ! ro( & p>apet 0 compos$ ( s& & gravel4 ,! only reason = us+ gravel = ! concrete ( ! ro( 0 ! ease ) :i* x c\ld be obta9$ 9 small quantities1 ! supply ( brok5 rock hav+ be5 us$ up1 & ?is be+ ! la/ concrete "w to be done4 ,! concrete us$ 0 z foll[s3 #a3c3f = ! sub-base & tap] base2 #a3c3e = ! b>rel ( ! t[] & tank cas+2 & #a3b3d = ! dome & ro(4 ,! dome 0 put 9 at "o "t1 !re be+ no jo9t1 ! same be+ true ( ! ro(4 ,vanc\v] ,portl& cem5t1 manufactur$ on ! isl& ab\t #ae miles f ! city1 0 us$ ?r\gh\t ! "w4 ,be=e fill+1 ! inside ( ! tank 0 giv5 a pla/] coat1 consi/+ ( #a "p cem5t to #a-c_/d p>ts ( f9e s&4 ,?is prov$ to be insuffici5t to prev5t leakage1 ! wat] seep+ ?r\gh ! dome & appe>+ on ! outside ( ! /ructure along ! l9e ( ! bottom ( ! r+s4 ,?ree m coats 7 !n appli$ ov] ! entire tank1 & two additional ones ov] ! dome & ab\t #h ft4 up on ! sides1 &1 except = "o or two small spots :i* %[ j a sign ( moi/ure1 ! tank is p]fectly tight4 ,! b>rel ( ! t[] 0 c>ri$ up to a height ( #ff ft4 ,a special set ( inside =ms1 ab\t #b ft4 high1 ext5d+ to ! spr++ l9e ( ! dome1 0 !n put 91 & ! dome =ms 7 set up on x4 ,! idea 0 t ?is #b-;ft4 =m c\ld be knock$ out piece by piece & ! weight ( ! dome =m tak5 on w$ges to ! la/ #f-;ft4 =m1 ^! w$ges be+ gradually slack5$ d[n 9 ord] to all[ ! dome =m to settle cle> ( ! dome4 ,z a matt] ( fact1 ?is 0 done1 b ! dome =ms1 be+ v tight1 did n settle1 & _h to be pri$ (f a section at a "t4 ,a simil> me?od 0 us$ = slack+ d[n ! ro( =ms1 ) simil> results4 ,aft] ! dome =ms _h be5 put 91 ! concrete 0 c>ri$ up approximately to ! elevation ( ! bottom ( ! r+s4 ,small neat cem5t pads 7 !n put 9 & accurately level$1 & on ^! ! /eel r+s 7 plac$1 & ! /eel tank 0 erect$4 ,9 ord] to insure a p]fectly r\nd tank1 ea* c\rse 0 erect$ aga9/ wood5 templates accurately c5t]$ & fa/5$ to ! inside scaffold4 ,! tank is ! ord9>y type ( light /eel1 ! l[] c\rse be+ #c_/af-;941 ! next1 ,no4 #h ,b4 w4 gauge1 ! next1 ,no4 #aj ,b4 w4 gauge1 & ! rema9+ f\r1 ,no4 #ab ,b4 w4 gauge4 ,"w on ! f\ndation 0 />t$ on ,augu/ #ae?1 #aijh1 & ! t[] 0 n complet$ until ,april #a/1 #aiji4 ,mu* "t 0 lo/ wait+ = ! deliv]y ( ! /eel1 & also ow+ to a p]iod ( v cold wea!r :i* caus$ entire cessation ( "w = ab\t "o mon?4 ,! t[] z complet$ pres5ts a /rik+ appe>ance4 ,9 ord] to oblit]ate r+s due to ! successive application ( ! =ms & to cov] ! effloresc5ce s common to concrete /ructures1 ! outside 0 giv5 two coats ( neat cem5t wa% appli$ ) ord9>y calcim9+ bru%es1 &1 up to ! pres5t "t1 ?is seems to h be5 v effective 9 accompli%+ ! desir$ result4 ,illu/ration3 ,,fig4 #d4--7;,full page image7 ,,scaffold ,,= ,,wat] ,,t[] ,irregul>ities due to =ms are unnoticeable at a di/ance ( #bjj or #cjj ft41 & ! gr\t+ gave a v uni=m color4 ,! application ( two coats ( cem5t wa% co/1 = labor1 #ig4fh1 & = mat]ial1 #ae4ah1 or #a4cb p] #ajj sq4 ft41 labor be+ at ! rate ( #b4be p] #h h\rs & cem5t co/+ #b4ec p] bbl4 deliv]$ on ! "w4 ,! t[] 0 design$ by ,ar?ur ,l4 ,adams1 ,m4 ,am4 ,soc4 ,c4 ,e41 "u ^: direction ! plans = all ! "w ( remodel+ ! wat]-works sy/em 7 prep>$ & execut$4 ,! =ms1 scaffold+1 etc41 7 design$ by ! writ]1 :o 0 also 9 imm$iate *>ge ( ! erection4 ,t5d]s receiv$ = ! con/ruction ( ! t[] cov]$ an extremely wide range1 & indicat$ at once ! utt] lack ( k on ! "p ( ! bidd]s ( ! co/ ( a /ructure ( ?is k9d4 ,inasmu* z none ( !m _h _h previ\s exp]i5ce 9 ?is class ( con/ruction1 ! eng9e] deem$ x ! "p ( wisdom & economy to reta9 ! con/ruction "u 8 imm$iate sup]vision1 &1 !re=e1 ! "w 0 done by days' labor4 ,table #a gives ! co/ ( ! /ructure4 ,! total h]e9 giv5 w n co9cide ) ! total co/ z %[n by ! city's books1 = ! reason t v>i\s items n prop]ly *>geable to ! /ructure itself h be5 omitt$1 ! pr9cipal ones ( :i* are ! co/ ( ! site1 ! lay+ ( ab\t #fjj ft4 ( sew] pipe to connect ) ! ov]fl[1 & consid]able exp5se incid5t to ! con/ruction ( a wagon road to ! t[]4 ,! rates ( wages paid1 all be+ on a basis ( an #h-;h\r day1 7 z foll[s3 ,common labor #b4be & #b4ej ,c>p5t] #d4jj ,c>p5t]'s help] #b4ge ,boil]-mak] #c4ej ,hold]s on #b4ej ,boil]-mak] =eman #e4jj ,pla/]]s #f4jj ,pla/]]s' help]s #c4jj ,! co/ ( mat]ial 0 z foll[s3 ,cem5t1 p] b>rel #b4ec ,s&1 p] y>d #a4dg ,rock1 p] y>d #j4hj ,lumb]1 p] #a1jjj ft4 b4 m4 #ad4jj & #af4jj ,all ^! prices are = mat]ial deliv]$ on ! "w4 ,an exam9ation ( ! co/ data1 z giv51 w %[ t = ! mo/ "p ! unit co/s are v high4 ,?is is due *iefly to ! cont9u$ int]ruption ( ! "w1 dur+ its lat] /ages1 ow+ to bad wea!r1 p>ticul>ly 9 ! case ( ! erection ( ! /eel tank4 ,! mat]ial co/ 9 ?is case 0 also exce$+ly high4 ,9 ! case ( ! concret+1 inability to pur*ase a hoi/ & motor & ! high co/ ( r5t+ ! same1 toge!r ) ! delays m5tion$1 add$ greatly to ! unit co/4 ,:5 x is consid]$ t ! co/ ( pla/]+ cov]s t ( f\r coats ov] ! entire inside ( ! tank & ?ree m ov] ab\t "o-?ird ( x1 x does n appe> s high1 especially 9 view ( ! high rate ( wages paid4 ,! co/ p] y>d = concrete alone 0 #be4abf1 & ?is is probably ab\t #be 9 excess ( ! co/ ( ! same class ( "w execut$ "u m favorable conditions z to location1 wea!r conditions1 etc4 ,,table #a4--;,,co/ ,,( ,,high-,,level ,,t[]1 ,,victoria ,,wat]-,,works4 7#dab cu4 yd47 ,,total ,,co/4 ,,unit ,,co/4 ---------------------------------------- -------------------------------- ,rate p] ,am\nt4 ,complete4 ,labor4 ,mat]ial4 h\r4 ---------------------------------------- -------------------------------- ,prelim9>y ,"w3 ,labor1 ,c>p5t] #j4ej #aa4jj ,labor #j4cdd #fd4id #j4bha #bdi4fg #cbe4fa #j4gij ,mat]ial #acc4fb #acc4fb #j4cbd ,=ms3 ,build+s1 %ift+ & /ripp+3 ,labor1 ,c>p5t] #j4ej #a1hcb4ii ,labor #j4cdd #hj4he #j4bha #efc4hd #b1dgg4fh #f4jad ,mat]ial3 ,lumb] #ehc4di ,h>dw>e #cbe4ea ,miscellane\s #ac4ij #ibb4ij #b4bdj ,scaffold3 ,erect+ & te>+ d[n3 ,labor1 ,c>p5t] #j4ej #fic4jj ,labor #j4cdd #cej4ei #j4bha #aag4bg #a1afj4hf #b4hah ,mat]ial3 ,lumb] #dhg4gg ,h>dw>e #bjb4gi #fij4ef #a4fgf ,concret+3 ,labor #j4ej #adb4jj #j4cdd #aa4jj #j4bha #idg4ha #a1ajj4ha #b4fgb ,mat]ial3 ,rock #cag4cj ,s& #che4gb ,cem5t #a1eha4ig ,motor & ,hoi/3 ,r5tal #djf4ef ,p[] #hc4ec #b1gce4jh #f4fch ,pla/]+ 7#c1jjj sq4 ft473 ,labor1 ,pla/]]s #j4ge #aaf4ej ,labor #j4df-g_/h #ae4jj #j4cg-a_/b #aih4eb #j4bha #aje4ff #dce4fh #ad4eb p] sq4 ft4 ,mat]ial3 ,s& #h4fd ,cem5t #ff4aj ,alum & ,pota% #af4jj #ij4gd #c4be p] sq4 ft4 ,cem5t ,wa% 7#h1efj sq4 ft473 ,labor #j4dh-c_/d #ej4jj #j4bha #dg4fh #ig4fha4ad p] #ajj sq ft4 ,mat]ial3 ,cem5t #ae4ah #ae4ah #j4ah ,w9d[s1 doors1 & scuttle3 ,labor #j4ej #di4jj #di4jj ,mat]ial3 #a door1 #g w9d[s1 etc4 #dg4bf #dg4bf ,equipm5t3 #dj ( #dfa4df #ahd4eh #ahd4eh #j4ddh ,sup]9t5d5ce #a1bda4de #a4ejf ,/eel ,tank3 ,labor1 ,c>p5t] #j4ej #abd4bd ,help] #j4cdd #b4ge ,boil]-mak]s #chb4eg ,hold]s on #adg4cc ,labor #dj4fa ,=eman #j4fbe #ahf4be #hhc4gej4jdda p] lb4 ,mat]ial3 ,tank1 rivets1 etc4 7#bj1jjj lb47 #a1gdj4fi #j4jhge ,iron-"w3 ,spiral /airway1 inlet1 & ov]fl[ pipes1 v5tilator1 re9=c+ /eel1 etc43 ,labor1 ,ma*9i/s #j4ej #hi4ej ,help] #j4cdd #bdj4af ,labor #j4bha #ajj4gi #dcj4de ,mat]ial #a1had4ga #a1had4ga ---------------------------------------- -------------------------------- ,total #af1egh4bi ,,discussion ,,maurice ,c4 ,,c\*ot1 ,m4 ,,am4 ,,soc4 ,c4 ,e4 7by lett]74--,x appe>s to ! writ] t 9 ! design ( ?is /ructure two features are op5 to criticism4 ,! fir/ is t su* a high /ructure 0 built ( pla9 concrete )\t any re9=cem5t4 ,ev5 if ! computation ( /resses did n %[ ! necessity = /eel re9=cem5t1 "s %\ld h be5 emb$d$ 9 ! "w4 ,z a matt] ( fact1 ! writ] believes t1 ) ! pres5t k ( ! b5efit ( re9=c$ concrete1 a /ructure su* z ?is %\ld n be built )\t x4 ,?is applies ma9ly to ! t[] bel[ ! tank4 ,! second feature1 :i* is /ill m important1 ref]s to ! ins]tion ( a %ell ( smoo? /eel plate to take ! /resses due to ! hydro/atic pressure1 & also to insure aga9/ leakage 9 ! walls ( ! tank4 ,! #f-;94 %ell ( pla9 concrete outside ! /eel %ell1 & ! #c-;94 %ell inside1 d n "w toge!r1 & are practically ( no value z walls1 b are simply outside & inside l9+s4 ,al?\gh ! design] provid$ lugs to insure ! adhesion ( ! concrete to ! plate1 su* precaution1 9 ! writ]'s op9ion1 w n prev5t ! sep>ation ( ! concrete f ! smoo? /eel plate1 &1 at "s future "t1 ! wat] w rea* & corrode ! /eel4 ,x w\ld h be5 bett] to h re9=c$ ! wall ( ! tank ) rods1 z is g5]ally done4 ,! full ?ickness w\ld h be5 available1 & less pla/]+ w\ld h be5 requir$4 ,fur!rmore1 ! adhesion ( concrete to a smoo? /eel plate is ( d\btful value1 =1 9 re9=c$ concrete1 x is n ! adhesion :i* does ! "w1 b ! gripp+ ( ! /eel by ! concrete 9 ! process ( sett+4 ,l4 ,j4 ,,m5s*1 ,m4 ,,am4 ,,soc4 ,c4 ,e4 7by lett]74--,?is wat]-t[] is probably ! sightlie/ /ructure ( its k9d 9 ,nor? ,am]ica2 /ill1 x does n look l a wat]-t[]1 &1 f an ar*itectural po9t ( view1 ! cr[n portion is faulty1 because x makes ! tank appe> to be mu* less 9 dep? ?an x really is4 ,! co/ ( ?is /ructure f> exce$s t ( simil> tanks 9 ! ,unit$ ,/ates4 ,! /&-pipe at ,attleboro1 #ej ft4 9 diamet] & #ajj ft4 high1 co/ ab\t #be1jjj4 ,sev]al ye>s ago ! writ] propos$ to build an elevat$ tank1 #fj ft4 9 diamet] & #dj ft4 deep1 ! bottom ( :i* 0 to be #ej ft4 above ! gr\nd1 = #ba1jjj4 ,among o!r elevat$ tanks kn[n to ! writ] is "o hav+ a capacity ( #ajj1jjj gal41 ! bottom be+ #fj ft4 above ! gr\nd4,c ,! total quantities ( mat]ial requir$ = ?is tank are giv5 z #d1dhj cu4 ft4 ( concrete1 #bc1bjj lb4 ( re9=c+ /eel1 & #bg1fjj ft41 b4 m41 ( =m lumb] & /ag+4 ,calculat+ at ! abnormally high unit prices ( #dj c5ts p] cu4 ft4 = concrete1 #d c5ts p] lb4 = /eel1 & #ej p] #a1jjj ft41 b4 m41 = lumb]1 ! co/ ( ! concrete w\ld be #a1gib1 ! /eel1 #ibh1 & ! =m lumb] & /ag+1 #a1chj4 ,add+ to ?is ! co/ ( a spiral /aircase1 at ! high figure ( #g p] l9e> foot 9 height1 ! total co/ ( ?is /ructure w\ld be #d1eih4 ,! factor ( safety us$ 9 ?is /ructure 0 f\r1 b "s eng9e]s :o are n famili> ) concrete con/ruction may require a high] factor4 ,by d\bl+ ! quantities ( concrete & /eel1 :i* w\ld mean a t5sile /ress 9 ! /eel ( only #h1jjj lb4 p] sq4 941 & a compressive /ress 9 ! concrete ( only #bbe lb4 p] sq4 941 ! co/ ( ! tank w\ld be only #g1cah1 z comp>$ ) ! #af1egh m5tion$ 9 ! pap]4 ,?is enorm\s discrepancy betwe5 a good design & an amateur design1 & betwe5 day-labor "w & contract "w %\ld be a lesson :i* consult+ eng9e]s & manag]s ( l>ge corporations1 :o pref] _! own designs & day-labor "w1 %\ld take to he>t4 ,a4 ,h4 ,,m>kw>t1 ,,assoc4 ,m4 ,,am4 ,,soc4 ,c4 ,e4 7by lett]74--,x is ! writ]'s op9ion t ! /eel tank enclos$ )9 ! concrete ( ! upp] cyl9d]1 to take up ! hoop t5sion & presumably to provide a wat]-tight t[]1 w n fulfill ?is latt] requirem5t4 ,if a pla/]$ surface on ! dome-%ap$ bottom provid$ ! necess>y imp]vi\sness1 x w\ld seem t pla/]$ walls w\ld h prov$ satisfactory4 ,app>5tly1 ! %eet-metal tank is int5d$ to exclude ! possibility ( ext]ior leakage1 b x occurs to ! writ] t x w fail to be effici5t 9 ?is p>ticul>1 because1 "u pressure1 ! wat] w =ce itself "u ! /eel tank & ! dome ?ru/ r+s & out to ! ext]ior ( ! t[] j bel[ ! tank1 ?us %[+ t insurance aga9/ leakage is actually provid$ by ! pla/]$ int]ior surfaces & n by ! %eet-metal tank1 &1 = ?is reason1 ord9>y de=m$ rod re9=cem5t1 9 ! writ]'s op9ion1 w\ld h prov$ *eap] & bett]1 & m 9 l9e ) o!r p>ts ( ! re9=cem5t4 ,mr4 ,kempkey /ates3 ,be=e fill+1 ! inside ( ! tank 0 giv5 a pla/] coat1 consi/+ ( #a "p cem5t to #a-c_/d p>ts ( f9e s&4 ,?is prov$ to be insuffici5t to prev5t leakage1 ! wat] seep+ ?r\gh ! dome & appe>+ on ! outside ( ! /ructure along ! l9e ( ! bottom ( ! r+s4 ,?ree m coats 7 !n appli$ ov] ! entire tank1 & two additional ones ov] ! dome & ab\t #h ft4 up on ! sides1 &1 except = "o or two small spots :i* %[ j a sign ( moi/ure1 ! tank is p]fectly tight4 ,?is sub/antiates ! writ]'s cont5tion t wat]-tightness 0 actually obta9$ by a lib]al use ( cem5t pla/]1 :i* w\ld also h be5 true _h ! re9=cem5t be5 rods4 ,z a fur!r comm5t1 x might be /at$ t a wat]-tight concrete = ! tank c\ld h be5 obta9$ by add+ f #h to #aj ( hydrat$ lime to ! #a3b3d mixture4 ,?is seems advisable 9 all cases :]e a wat]-tight concrete is necess>y4 ,! int]ior pla/]+ c\ld !n h be5 done z a fur!r precaution4 ,a4 ,,kempkey1 ,,jr41 ,,jun4 ,,am4 ,,soc4 ,c4 ,e4 7by lett]74--,mr4 ,c\*ot's /atem5t1 t ! #c-;94 inside & outside %eets =m+ ! tank cas+ d n act toge!r1 is q true1 & x 0 n expect$ t !y w\ld1 o!r ?an to protect ! /eel & =m an ornam5tal cov]+ = x4 ,!re is c]ta9ly adhesion betwe5 concrete & /eel1 ev5 ?\gh ! /eel be 9 ! =m ( a ?9 %ell1 & 9 a /ructure ( ?is k9d :]e ! /eel is design$1 ) a l[ unit /ress1 to take all ! /ra91 & :]e ! load is at all times quiesc5t1 x is difficult to see h[ ?is bond c be de/roy$2 ! writ] feels no conc]n on ?is score4 ,mr4 ,m>kw>t's /atem5t1 t ! /eel tank enclos$ )9 ! concrete ( ! upp] cyl9d]1 presumably to provide a wat]-tight t[]1 w n fulfill ?is latt] requirem5t1 is n true1 z %[n by ! /atem5t 9 ! pap] t ! only leakage :i* occurr$ 0 t :i* pass$ "u ! tank1 ! entire rema9+ portion be+ absolutely tight4 ,! am\nt ( leakage1 :ile insignificant1 01 until rem$i$1 suffici5t to spot ! outside ( ! t[]1 mak+ x unsightly2 & ?is1 9 ! writ]'s op9ion1 is j :at w\ld h happ5$ _h ! tank be5 con/ruct$ 9 ! ord9>y mann]1 ) de=m$ b>s1 except t x w\ld h ext5d$ ov] m or less ( ! entire surface1 in/ead ( be+ localiz$1 z 0 actually ! case1 & w\ld h requir$ m in/ead ( less pla/]+4 ,x is also d\btful :e!r ! addition ( hydrat$ lime w\ld h produc$ a tight tank1 9 ! s5se t ?is /ructure 0 requir$ to be tight4 ,9 ! pap] ! writ] endeavor$ to br+ out ! fact t ?is is "o ( ! few in/ances :]e ! /hetic design ( a /ructure ( ?is sort is ( prime importance1 & co/ a second>y consid]ation4 ,!re is1 !re=e1 no use 9 comp>+ its co/ ) t ( a /ructure 9 no way its equal 9 ?is respect & ! use ( :i* w\ld n h be5 p]mitt$ any m ?an ! use ( ! ord9>y type ( /eel /ructure1 ev5 ?\gh ! e/imat$ co/ 7 #ge less4 ,mr4 ,m5s* has be5 pleas$ to t]m ?is design amateuri%1 presumably because ( ! cons]vative "* ( ! /resses us$ & because ( its co/2 at ! same "t1 he sets up ! design to :i* he makes ref]5ce z a good "o simply because ( its *eapness4 ,he w f9d ! enorm\s discrepancy1 to :i* he calls att5tion1 acc\nt$ = by ! fact t ! good design w\ld n h be5 tol]at$ because ( its appe>ance & because ( ! fact t ! excessively high unit /resses1 ( :i* ,mr4 ,m5s* is an expon5t1 did n comm5d !mselves ei!r to ! design]1 9 common ) mo/ eng9e]s1 or to ,victorian ta/e2 :ile ! design us$ has prov5 em95tly satisfactory to a m ?an usually cons]vative & discrim9at+ community4 ,mr4 ,m5s*'s /atem5t ( unit co/s1 ev5 ?\gh appli$ to a mu* pla9] /ructure1 is n calculat$ to inspire confid5ce 9 ! s\ndness ( 8 d$uctions 9 any "o famili> ) ,victoria conditions4 ,,footnotes3 ,footnote ,a3 ,pres5t$ at ! meet+ ( ,m>* #af?1 #aiaj4 ,footnote ,b3 ,n[ ,assoc4 ,m4 ,am4 ,soc4 ,c4 ,e4 ,footnote ,c3 ,! ,re9=c$ ,concrete ,pocket ,book1 p4 #abd4