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HomeMy WebLinkAbout[FYI] Timberweld Letter re: Water Treatment Plantd A ! L i ~• T V • e A l • V H } •; e L,.r#ii#ItVt~"C~~ ~`~Rt,I~T~F~~II. ~{~~~ ~Y~T~M~ t~rl~f 17, ~t)t~t~ a5>> Vsrcinixis Ct;nter 1-)r. fit. Paul, ~~~~ ~511(~-5 l ~U ~1T~.~1: .lcf'Jc~l~ttsc~n R~E: `~t, 1asc~-h Vv`ater ~I'reatr7~cnt Platlt St. ,}c~seph MO 'I'imlrrwelt~ ,lc~b #~1=~~'~6 llettr ;l~~f: I ha~~e rcr ew~ccl the phcatcas sup~alec~i l~zr ~l~;Tt <ttlt~ .l'inYher~rpeld"s rrcl~rc:scr~tati~~~e, I,aa°ry ~lc(_'cay. t~1~'e arc still caf the capiraic>rz that tlae "crackita~"' see:t~ in the phc~tr~s is sinlplt; scttscarainr~ checking,. The ~;ltte;cl laminat+rci timkacrs are; al'iected b}'the sat~ae dryit~~;- shrnka~;c n7e.c;htu~istn that catascs c;htckit7~ ire logs and salicl tin~~+erti. I~tr+`. tca tlae contral caFt~axaistrtrc in blued (cuz~tinatccl timbers, the r>aa~;nituclc tat~chccking in ~luecl lan~inatrcl tirral~aet:s is ttstl<rl}~~ less tFaan that scer~ ira solid tinilzcrs and 1<~t;s. It i:, eltrcmt}~~ rare. that s~:asc~rairr~, checks arc: cafa arrtt;nitude; that ccat~at~rr~misc structural l~crt<~nraancc c~f~thc aatcanl-aca ~ 1s ~a ara~rt7tatilcturcr', ~~rc. c:ar~ central thc, n~c~istttrc its t}~e ~a,{ac>~l at flat: factor}>. 17c»r-:l~er etc cana~ot cc>ntrcal nlt7isture that taaa~' c>ccur Cluriaa~ storza~c at tlae jc7bsitc ol~er the cc~r~siruction ~h~as;. l'cassible scjurc.es cal'truaisture are liquid }~recil~itation anci cc~ndcnsatioal within the r~~rap. )r3oth sources ~~~ottld tend to inca-ease the ['rcquency anc~ sire, caf cher:ks. vUe. c}o nc~t ktao~a, thc. #ialt sc:cltr~:a7tc <at'c~,~ents rxt tlae jc}t7site. lao~~evc;r if thcsc atae-7llzers ~~,-c;re in stora~c ic~ta~er tla;ara the otl'aer a7~e r~~bcrs on the lire>jcct. ii v~~otald be ~:an e~}planation cjt' ~'~hy they' art: ehc:cke:cl to a greater c:xtcaat thin other a~raernkxrs. 'I'he ~aest cinarsG i~; tea lcsa~c the. checks aanlillecl allo~:~rins* the l~oc~~l tea tacl~ipt to scasc~xr€~l ch~n~es in iacu~lidi~. 1Ic~4~ever, if it is the decisax~ to fill the t.tte.cks, use Qxal ~r a flexible nprt~ h4trclc.nin~ filler. lncicit~a~ta1 tea the c~°~~aiiarrtiean cafthc; stiasc~a~it~~~ chtclts, the;rc ~Ga*~ ciiscttssc~n ~tYaout wh~thex the nactarbea-s ti~crc crr~cr4tres~:cd from r~~c~ch<rnie~tl loa~iira~~, "l inabcr~~'elcl rc:licti tin tl~t+~ structural cir~a~vitl`~s to pra~~idc structtaral dtsi~ra retluircn~cnts tear the bltrctl latrtnake-d tiaaabcr~. 1-~'c al~ca rc.lietl Carr. the. rc;~ ieti~ by th< rrtal~+rc~~ti in~~ a~~tnc•ics cat caur c~alcttlatians aaxd }ual~a clr~r~tin~~'~ tcaa• e:c~ntirri~tatitata c>1'antti~rrnancc ter' the clc:i;;raer•' intent, l~"c~rtun~atcly, the niert~hcrs ira claECStir}n luau e rc~;er~ c c:~al~acity beyond thc~ sl?cci lic~i r,truc:turf~l lcrar~s. ~:~.~ '~a.:~ atr.- j~ra ~~~ .'~ .; ~i ALS & ~tti£~tNt=~~ir~i~, ~ 1~+;! A>=r`tH `C: ttV. •Pt7. Bt~x 29e! • €~i?Iirtr#~, PJtI" tf~}~Ck# •{) ~n2-3~tii7 • f=AX (~t(t~) G5~' 3r ~:.~+~s m ~I~TEL?tr ~~E~3~1~R '^.1.r~.ia., 7 r ;3.;t;KIPrICi ?x ACCT. ~ I?CJ. ~7x 68 ~ • (:;alt att2t>u5, (v9 f - ~r?f115 • {<~{lE?13?-<'.-53Ei1 ~ F°t~,'~ («C~:) ~?'=2~a39 ~ 4E ~?~`E 1557 I'rc~rti crttr phanc ccm~=crsatictn dset.tssin~ hs}G~- the «ci~.~:l-~t t>n the hangers nti~ltfi ~e dete.rntineci, yens su~~,csted that: intersecting ic~5 l-~e ce~nsidtred neutral, neit}~e;r supporting the It>ngiiuciin•~tl rttn ctr cc~tttriljtttittg t~-eight tct tltt~t t'Ultl, and yctu sttg~!etteel that the lctttdin~; lie a sitttple exl~nsiorr ct~the ~~.eight i~ft}tt ~~ipc ,:tneE f~uti ta~•er the trilsutasv bay spacing ~#~ the: ~tut~lirts. 1~'tlt lssunted pipe vt~ei~l~t~ ~f: 1>ty 1t11~ - ?4" pipe 7S pll'-- l~" pipe Eta >it}!: }.~'" pipe t)5in;.~ C'~.~ ~7cf'as the t~~tter c:lensity, ~~tcnds tc~; -.~ 24" pi}j~ ~ $' tt°ihutar~~ '.-'-~} 1-::lps 1 ~-" pipe --~ ~' tri~tutary~ 1 l 1 ~:ips I ~"' l~ip~ ~- 6' tributary = . f ~, }:ips ~~-, Pike ~ 6' tri~~utary, = .~~=t kips ~~ preliutinttry e~~aluatic~n ~>1:ttte rescrtre t~ap<tcitl o:t'thc ntetn}~ers indicate:; that these let~tds applied ttt trte.tttbcrs (33, i3$, and f37 ~,vciuld nett t:auite tht~se ntctttl7crs ttt be t,~~crslrc;sscd. 'Chic prelirttnary° coctclt~sion ~~ill itceti t~~ ire endorsed by otar i~•linnesttta t~:n`Y,ittecr, and of ccntr:;c. 1~L rc~ et~~cd ~tnci appr~t~~e;d h4° t}te c:ttgineer c>t~t-eccfrd. :li this tints. tine have nett }et eti~tlu~Gtecf t}ic ce~nnet;ti~t~ hard~~arc:, hn~~veti~er sh~~tai~:l rcntitrcctneiZt be rcgtiir~c}, it s3to~~id be ~ace~e:~mpli:;ltcd in tt rel;ttivel5 c~ts~~ manner. ~3;i~;cd i>n iltc pipe laid guid~tnc.e prs:~t~ided l~}~` i~'<tt;t, ~~c: d<? nett Sec ~tn1 inyurn~tteutt~:tl7}e delicienc.ics, ltctv~eti er etc intcrtd icy cctttt.inttc, r~ it}t a t~tt?r•c7ut~lt revic~t c~1'the rtacmhcr and tc~ttttectit~g htu'dti~'arc capacities. T asst ati•ai}~alale tc~ t~al« calls at rtty c~Clicc~ '1(lf-f~~?-?GDO. ~,q~, Scltctlule is a little. ai}~ in tltc air <t~ er the nest ct~uple~ t:~l~days, sa y~itu tttay steed i~~ le'a4•e ~t tc>icc: tncs~;agc. t lal~tl ict elteck ~tusavc~ r~:t.~ul~trl}. t ~;inL~rc~l ti , l ~ 9~`' ~-- ., l i111 ~} ~ }~'~~' f :I.ri y C~A?slt.l.~(:"fit.} 1~,ZI'~lt ]~} l,'srt~b