A BIG CHIMNEY.

Dominion, Volume 1, Issue 135, 2 March 1908, Page 11

A BIG CHIMNEY.

FIRST OF ITO KIND l?J NEW ZEALAND. AT THE NEW DESTRUCTOII . .•A.flag'-'Wns' flying.:on'.>Eriday from, the top ; of the Jbig'clnriiney-which has been building for. tho pastrthroc months: at the. new mj- . . nicipal v destructor'on Clyde:- Quay.: O.owonsly, tho.flag meant: that,; away up thcio 140 ffecttabovo.tho ground,'i.thQ ( .|ast touiao • of concrete- had- bccivlafd.-' A, Doaiin.'on ..ic-. porter went to Mr. John Moffat, contractor, aAd.'asked.him to talk-abouttliejob. 'Mr. Moffat has tho distinction of being tho ;•> . builder of: tho first' ferro-concreto smoke ' stack'iin Now Zealand— in . Australasia.:' Thd man who has tho : distinction :of designing nt is .Mr. _ H.. Mciton, tho City Engineer. How .the, Work Was Gone. ■ i; • " I 'started tho'iob' on .November 3;" said Mr Moffat,' " on the foundations which had boon '!ptit--iii'by-'tho."Gorp' , oration'Workiiicn,and now I: liavcrnothino; left to. do but take and ' coverV.tl^ whole' of tho outside with cement wash. ; 1 i employed thre6 men at first, and never had moro than seven * onj the job. c used tw p ■; ■:.'rpwsi pf-i casing, shiftqd^one; • each day. i That, is to say.-.threo feet of .the ' chimney, was our usual.,day's- work.. » Olio day wo built sats*.feet -and ,m .0110,.week wp built'twenty-four foot.:- Everything .\vention : smoothly, and' wo had no Occidents, l ex-. siJect.?ih'6" i -yidli* r? "'will:.'pe.'-otit. of'/.my'tondl by ■ the end of next,week." The Reijiforcemonts. . ■i AYith ithe'plans.boforo. thenir Mi,..Moffat ■ explained-.the construction-to the Pressman. T .t begins.-; \vfill' 43 ferrp-concrete piles,; some " Of which, go as deep as 27 feet into the ground; -'On them., rests, a;, bed-: of. .concrcto 2o feet', square and ,5, feet. deep,. reinforced, . ■ with;,a-ne~Mvork- of"IJ-inch. nuld steel rods, laid .'across-,each- other-horizontally; 15., inches ■ from-/the :■ bottom; and». tied s-with...wire '.at, every-'othereintorscctioii...; The. vertical rods which run-up through l the walls 'of"the chimney 'start :nino inches below tins horizontal ; . t'o'so';feet :of; chirniVev's ' fieigiitf/fih6r& '^aJoVt^d: ; 'ir6wfe fjof ••••;•• one .^itjiilv a'r© \ inch. ■ : thick/ thero f arei 28 in each: row, . and those in tho innorr,row are. 28 inches apart... Rings, of j inch,-steel . encircle the rods at intervals, of 18;inches,;bemg:bound: to them,with wire. Thus the romforceniciit consists of.xwo widcmeshed nets of steel,- of-cyhndiical foim, one withm tho other: ■ ■ The outei-0110 stops at a height of 55 feet, and tho other 19. continued nearly to the top .of the., chimney. • ,The' Concrete, and Bricks. . ■ the; shaft.'; ,yFroni ; ;tho /55rfeet ; level-it : runs;v7| finches' feet or/^m'ofd,'. chimney/is. ! liried' throughout, with , one thick- ■ firebricks."'- The t inside-idiarneteiiis • ' 7*'feetS'and'tho outsido'lo feet 3 inches and--9 feet" 6/inches/--Tho. top -of ' tbo-chimney-is finished "-with a; cap and corbels.: The head v ■ •is reinforc^litoth' a ~band' of expanded;- steel. V 2 >feet ; - 6 inches , lugh. . Fof constructional reasons; -■ tho'-'-brick-., lining- is t not: made to. carry-sail jitsv,own.-weight. . -Set-offs :(a ; lay- ; maii;'iiiight caU:them:slielve.s).'project,at long intervals from thirouter wall,: and -are renir. forced in 1 conjunction- with-it. .The-brick-.. ' work rests: upon them. Tho concrcto; con- ' sistsVof • four-parts- of "gravel -to • 0110 ; of ce-; clnmnoy contains nine tons',of steel,-s 240 -vards^ofr. SOO- barrels - of. cemoilt;- and''^O,ooo , firebricks. ■ The -contract price is £1323 17s; : .• • - A Prominent Lartlmark. 1 The'-ncw,"-chimncy-"is--'a-.prominent:-:land-mark, &nd it i§, not without a .certain ,shapeproportions, and its!.corbelled;:cap,-:its lines aro. not iinlikor thoso. of a, Corinthian-, col-, dpesjibt'.wa'ijtC the-'thing wero ornamented-'.a ;,little,f-and ,i •, named'iaftpt> 1 jit. ' wbuld}catlleQ.';.";ii;s., vi^ry. f';fill^paoriumerifc.' . Really:fw.e;|build'jn.-stately-, for tho. 1 ncineratioo, of* the- jam tin/ and tho: bananapeel. j J