The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1890-02-22

/ sk<rn 4. : <~fs1e a. h1e enohaarum besnre ~
/ 70 fnso the vuek- and aenia belere ~
/ pspe i 6paIsr covered q, IN tie ssnch-
TIE cutrr sz-feos 81 she bAu3s and eenyes are -
! hare srorh~s ranf szpsse-s vtsh hrush- ne
/ eject oE thss ei1 be 30 make IN fnpsfsfoass M
! h40Sen confinx which viii exclude fbe ar ana
! prevcns eyayorsxic7 Fl the mcissuso which
r<nesrstes the pres OF the word tom re 10
side ard tAEx preserve ne srffscs 81 ne slaves
frpD decay. w1iAoot regard % the cnnfacser %
/ siss xronnA Ia which the p1ps may b laid The
laser posftoa Of the stAves cannot decay, Under
sny conditions. While the pipe Il II No.
Hsnbofex- hos -o1s and esr-vasyes aso pro-
vi led ios. ard connections Tor la1sral pipes
/ withia the cisy.
The e-pesfng Of Rsack river II 70 BE- with 3 SO
1 tiea Of Dspe. nsde of 7.ls-ineh steel pssfs.
/ pEseet Ia . trench dfedye3 below tbs river bot
1 tom.
/ Ia the valve horse ~ the Low series resef.
4 sesy valve Is 70 be psaced upon the pipe By
I nsssss 81 which the wafer eau Be shat % OF the
hlgtseryics reservoir when this vAise 10
eiosesi. ~ s1l times. the pipe between II and
the high service reservoir wtsi serve - = supply
/ main Tor the hlgh-seses district
The papa 10 70 te laid three feet underground
Wherever pecessayy the pipe line II 10 BE
cleared ana grub5ed and graded before the Pipe
! Is ls5d
Tbs cost Of this pipe, noe including the prep
Arsf g. the line. il estimated 4: g. 50 per foot
Tbs cost Of CAST iron pipe Ct tue proper weight
-aH average Of $40 pounds per foef--aud the
saEae stxs as the proposed wooden pipe estl-
naate Eonsd be SIS per Ilnesr foot. and that OF
sseeiFtssse1 pipe. made OF plate from 3-is1afh
10 z-.stncts thief. according "a pressure. AZ $40
~ Hrsxr foos. faxinx Ike basis Ter labor and
fnassstzs IN each Case
~ Is claimed By the frskers Inst what -
Known D. slyles fsnee-ribsed secffcnsi pipe
cat se made OF equal stFeng b cheaper than sry
other Kind Of iron pipe, because IL IS easier 70
Sfff ffsrrfEfF. ard Is HsEG In EOr@
economical nssnrsr. A. ! have no data ny
which 20 estimate tho probable cost Of this pipe
no atiempS Is made 20 compare II with the other
kinds. except 70 say that II II can he fnYnfsna1
cheap enough II viii be well adapted Tor the
Nera-
The distance from Swan lake 10 the valve
bcuse ~ the l0w service reservoir Is about fifteen
miles. and throughout the Whole distance while
the fspe IL in sse. there Is moving column o.
wafss. Esea time that valve IS esoseh a. the
wave house. The movement OF the water must
&c arrested II this Is done with snnieient SLOW
ness. the moving column WIN be brought TO rest
without percepti5ie shock b.f II e 10 Gone too
quickly, the pipe VIII be uncnIy strained. There
are two possible ways OF removing the danger
fro'a THIS. One II by means OF stand-pfpe
refelsing 10 The height Of Swan lake, which VII
Overflow, and thas relieve the pipes another +
20 put one or more relief valves on the pipe,
which Will GLOW water to escape when the prs.
sure Is too high. This matter has been deferred
tor iasure consideration.
FILMS
The approximate length OF the open v-shaped
ilnme proposed b<tw en- Cedar river dam aud
swan lake Is given ct 81 $40 feet. OF which about
Ito feet Is 70 be carried on timber bs nts aud
eantileser trassss. The srusses 10 be used st
two crossings Of Cedar river. The timber bents
are 10 b. used across bend OF the river valley:
and AZ Rock creek. which lies ia deep. narrow
gorge. il 10 necessary 10 cross The vsiey about
.Seiosr n order 4, avnif the
passage al steep. hugh b.uGs along the south
bank Of the river.
lhs Aums y 70 DC nne,i on the sines tnronsh-
out Win linen piahks, that nave Deen or.ssen,
maishsa ana fsonstsa ana coated Win ssphaf
sa.'. IN ~. shk. she l.iaA are - pe iaaoe tsa.
Win asp aiihm. ana theiT exposea surface
.seo4'su Win aspaaiaum. sPpnea VITA orhsh.
lac bottom Is 10 DC hhea WIN nspnsisum con-
crete.
ine ssss Oh tns Cross section OF umDeI Hhing
where tne hume = e'esa'ea WIZ DC tweniy-seVeh
square iee'. ana IN sstths twenty Tour square
ises And osnks Oh eafth VIII Use one iooi nignsf
on either side
y oeiiesea tnat me inning 80 MADE VIII oe
permanently nahapie below the water nhe' ana
VIA ~" wen ABOVE. ~ Dting coated WIN
ssphaatum WIN asoiu surface decay ana do
way Win oo,ections raisea on ma efoana.
he purposes" route iot the usme ~ uiiec~
snu ifse Vi Pfeeipatstc DauKs OF extensive exeA-
ssuuu.
A's 1A DAs
Inc Ceoar niser asn, as p'ofosed, 70 nave
awiatn 81 ise teet, ana 20 nave its crest eA feet
Allows nigh TIDE, ana about - feet above the
river hoitoin- It's 10 Dc timber crib, arched
between TWO .moer-eup snutmenfs. TIE CRIBS
are 20 De hiisS Win ear'n- ana the Dam banked
WIN estn on the upper side. On the noftn
side OF the river. across the valley, an esrthen
dam Is 20 ne ouif between tns abutment ana
the biuns-a distance OF about iso feet All
timber used In the dam that Is not In position
TO keep saturated with water Is TO DC cedar
SWAN LAKE ruNxsL AND INLET.
The approximate total length Of swan Lake
tunnel Is $40 feet from the inlet shait To the
weir shaft and viii have q net cross-sec,ion OF
tventv-tvo square feet. It's bottom n the veir
shaft is to have an elayetion OF $50 feet above
high tide, and Ia to rise with grade OF one in
1000 TO the inlet shafs.
The material through which the tunnel 10 to
be dng Is gravesiy drft. to all surface appear
anccs. though presumably hard pan and
csnented gravel viii be encountered more or
less
IL IL to be walled sodiy with sawed timbers,
set in inclined position. somewhat ia the
shape of an inverted 4.
The Aotsom is 10 be lined with concrete and
the sides with matched plank.
The tinibers. being always saturated with
wafer. will not decay.
,,,,.,,, 4, na,,,,, ~ so.s,ss,, &c.. r. -, 80
/ ,lcu ~ he az sonerete IL To hs dsy,sed into
40 rh.mher. Win an iyon eats h.,ras, =.
,ns.u. 80 uh,.h me w.,er $50 ~. sa,,-alw sh,,,