The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1891-08-09
THE SEWERAGE PLAN,
Arrival of Benezefte Williams
Full Report.
COST WILL Be ABOUT $500. Geo.
He Advocates the Special Assessment
System Of Payment-FuIl Details
Fer the Entire City.

The plans for TIE sewerage system Of
Seattle have oesz received fror Bsneze.te
I "iiilaE1s. the soas1I..Eg engineer. ThsT
| are accompanied sy volGzioocs report,
which Eo-lc EIi over four columns q this
paper. Very uEch Of i, however - Of a
technical character, ard sae chief points
r1ay &c better understood from SYNOPSIS.
Gr Williams premises tha. N many parts
/ Of the city tie surface is - irregular ina.
/ i "a IL possio.s 20 determine what street
/ grade Eii. 5s eventually adopted aad con-
sseze.tly be cannot decide what sizes or
sewer grades vii be best Wherever
l graded streets exist tie plans have teen
/ made complete n detail. and IN Al ezses
60 far s. practicable nothing has know
ingiy teen .e1t unfinished
Er. Williams agrees Eita Colonel Var
| Ing that zs ihs-e is usually not .zEzcsent
| rain Il The summer, xEs1 flushing - l2ost
needed. 20 accomplish that prrpo>s. a.ti-
| Ecia! means must cs used. .nc they viii
/ &c good al The year road II roof water
we're allowed 20 I'M into TIRE ssrers. they
/ nus, be made much lager. and the entire
sys.sn would Re much more expensive
Nevertheless. Il the streets are 20 be KEEP.
made for the removal Of storm water. and
/ De considers underground .eEers cheaper
| and better than CUTTERS and culEsrts Mr.
/ williams diszgrsss with Colonel Wsring
As 10 az entirely separate system. and pro-
/ poses q combination Of hn.h TANKS ard
rain drains. He gives the following fend-
arneatzl data:
TIE topography Of sns city Of Seattle Is bod
aud rzggs1, AID the CITY % peculiarly heated
sIth resereaes 70 adssc9-s bodies OF water On
tie Tsss Is Puget soaad. csep sat- wstss sstn-
az, ard On TIE east Lks EEseszg.o1.. almost
equally deep al :r=s1 wEss- ant sozzs e3ghssea
:ess EooEs bra Isoe. al5= IL the northern par;
CT tie city - Lake E1soa. which lies MT zap.
both geographically a3d geographically. t<-
iween ta@ Souo5 s1s Late Washington. An1
SKI turtle. aoT.E Green axe IN TIE nsEig Ec-
CURED PARTON Of tie city. About 10 isst aDOvs
high tide
Tie present cerpo.s;s limits Of TIE cstT cover
a. area o. soout twenty ssgAt square Elles. rot
izc3G1i1g water sz-tsce Tie greatest ls1gE1
Of tie city north s71 SOUTH - eight AID oZs a4f
niles, and from esk, 70 west itS greatest width
II az AID one-hssl niles, G16 lessI zst1. a. Tia
narrowess place between Puget .ca15 G1d Lsxs
Washington, soo8t tvo rsises-s
The elevations ATTAINED ov tie groa1a IL ne
city vary from ten 10 go test above high tee.
intermediate between these eseFzroas the
ospTessiSus,
Of tie fvsntv-eighf square Eiles within tie
city Limits a55ut ter sq1z-e niles drain rsr9r-
ally 20 the s2lt a&.sr -oGu4, Ezd eighteen
square niles 20 ire fresh water Iskss. Wasaiog-
ioa, Union and Grsen- OF ihs irssA ssssy
crzinsgs area, approximately eight square miles
drain 70 Lake Union s11 tEo square E1les 10
Lxke Washington, directly sad indirectly.
II IL thus sen that following zee natural
Topography the sewage troEa soo1t 81 pa CENT
o. The ez;s's population would 60 i1to fresh
bodies o. wase-, vesre IL would stGg2aSs- and
ss il grew IN magnitude, would become o1ecslvs
il every way To prevent tbs - isr ~ Esos.ltls
shguid be one Of iae znaia purposes II oatlinias
G sewerage Flan-
To ,alE end On al accompanying ZAP o. snail
scale, 70 shown tie whole territory e-e-sc@1
within re city, WITH sn outline Of ihs uzaEB sew
e-sge districts sn1 sksle1ou Of TIE intsresp-zDg
systen II which TIE savage IN % - converss as
nnch a. posEiba. 10 TIE oCuc6-
BIZ pGrsui=g Il & general way this pan IL
stead o. the sewage from sightesa s2n2-e .aises
going infe trsz5 water, there wID os tnzs from
atozt two, exc=pf II tina OF ss0EZss, when tns
intervening ssEg-s become tsx=7 bSTo75 their
capacity AID tie storm Ea-e- ouffsIas are
brought into play Sc ae-s1nsstsr described
He divides the city into districts. Lake
Union district include. that territory
south OF the north en1 Of the lake, and
vii. take in considerable portion west o.
the lake, sI running into the Depot street
tunnel discharging into Puget sound Ii
will be arranged 10 have constant 3oE
of water from Lake Union 10 the Sound.
The intermediate district consists Of the
territory east Of the Broadway ridge d
tunnel will drain this along the line OF
Fairyisw street to the mud 8sts-
The Central !. the lower Or business dis
t-icI and that will discharge into ma.1
or Jackson stree. 10 the bay.
The Mud Flats district he considers not
II immediate need Of sewerage, but n an
ticsp2tion he advises that al streets be
kept ST a elevation Of twelve feet above
datum
The Lake Washington district. with sn
area Of 500 acres. must drain into the lake
Queen Anne town viii De drawn By . tan-
ne into the bay.
He finds it impossible 10 keep the lakes
wholly free from sewage, but the quantity
will be very small for some years. and
eventually smother source Of water supply
must be sought
NJ Williams quotes table Of the rain
fall for the four quarters O. esch year from
ISIS 20 1890. The average for each quarter
FOR the thirteen years :: First, ISIS: sec
ond. 5 -; third, SIS; fourth. 1859; an
nuzl. zi2I The capacity OF the drains
viii he oae-sixth Of 81 inch rainfall per
hour. Or 6-5 cubic feet per acre PEI hoar-
As 20 he capacity Of inte-cePting sewers,
/ he says:
The basis for rroport1cziar tie siZs Q! inter
csps5rE sewers "a % assume so people - ias
se-S when re city shall Il gs1S-&-iE SZazi 1p01,
sd .x1-,es-1s q csAsG foot PER hour Tor Ia
-uxxirnss-, Erys weather 1CE q sewage X.
ssp;tA. =kiee gives tsi-Sy-tnEse G11 c1s-tA1T1
| cube fes- xs- hCur fc- house sewage II s15s-
tscn 70 mis- have allowed 1ftF ea0se iss' pr
hc,z- rsr are o. s-o-z sAtsr, . - eG--se1 y
, ne i2ts-ceptzag sswes. -zk-1E = g. sz2fE-
Thrss zzs oae-taE-d cztse isss pep hour ssr se-s
| Its believed IT this allowances IAai = FL -
/ IN. seszc-. that s.u-z over aoEs VIII eec2-
srez 6zrlrg re rainy ss<scE Of T4s rear
| TAs ulxo adopted tx sf-ess izls-s q % E-AEs
| ere q more Hor s&eA heck. Gsts211 g upo2 tss
s,euz @. tx stress Il re majority o IA
Gases nara VII - sHs one, there . g=1s-A43E
/ c-s Garner % ekes 5sosk EaEz-c wien "a
wstsr drains shroagh sAs stree; gGit<-s sroE2 a.
paris C tie asock U1s-s tbs . Ez@ e2sE c7s
I szlet = deemed s1Ee@zt y hs-s f2e $ 1E'ss s-s
different - where t5s E-o1z2 = : Ike -zF74s Il
1 nav - necex.szy - bul21 ts9, 11re1. o. sYsa
1 fs-zr .-aefS- che a. szsA eo-1eT O tie 5loek
Soas q tse ~s:zr gathered II tie strsss g2sssrs,
/ - .av bgsex. VII uesa 70 - cares seross Ia
xs-eess 81 szzy koz1t Ezt eza Dc 90 scss- a. t7s
/ snBsts through eurts-s -ogn1izg ths eg-ns-s g
I az st-sers ~ As-s ths kzoeKs az very lozE a.
frse-szzs = re nuzos- 81 Iz1s1s Kay os car
/ s5s&
| In r1.1ai-r tie new sewer ETsse--. zs2-4T a.
| Sc ss~z-s tat bare been lad Ae-s.0fS-e A4Te
! 49,. r,-sIsxss- rna-zh u few eases = s<ca1-ss