, 1875-02-26
THE WATER-WORKS.
Report Of tho Committee of Experts to
tho Citizens' Association.
Tho Capacity OF tho Engines Is
Fully Up to Contracts.
Unfavorable Verdict on tie Point Of E1-
penso.
Proper Size Of Mains.

.'o ..e 'ns.nss ~ t'o oac'so "".sf1"os"a M
to tnes1 capacity sna nHooh' Oh ooa' conHun'eo
Inns Just boon Rll omitted.
lovlor ] SUMMARY. ~ "'' '''''''N ''' ''
A rcoar,,a tI. nr.t ,r,r,rr
-. ~. ...,..s. ''i"'' - .,
:. W AnA 4'a'"hs w 1'iA "oAA 1nIhsoApf
It sars the specifications And contract require
Of Uator 1B0 feet h,ul Ea twantv.fonr hmrs.
r., -. :, 1.,.-.e;.. ..t. ,.,.tI .
49, o.uo. ~ u1uo "i'u 0oa''A'o "ss'oo
OF accuracy whether tue engines wore capable Of
mo0tnE tho requirements of tho specifications
and CONTRACT, 1t bocamo necessary 10 provide
monnu ot ,nn,aurino hot,, tho ,u.rtitv ~ u,tor
n,,n,o ,n ia t,ni,,,', ta ss,,,a :, w. at,v,toJ
a.'a Wv W "".s" - "a'
Aatos VARIOUS huGGeftiohs as 10 the hees means
OF doing this, tho plan adopted wns 70 construct
q wlor III tho pasaago leading to tho pumping
val nv .,h,ct Tim ounntttr os u.tor- t1nw,no
,u,, ,,,n val, oo,ta ha aa,roa :" sda;tio" o !,
tho voir, graduated eaugo.Io,rls wore
n1aced In tho lalto and land shafsA Of
tho tunnel, and obaorrasiun mado Of
the Wate. .-!ovcls in both shafts during tho trial.
from which tho hoaa undar which tho How Of
| water through tina tunnel took place was do
duccd. and flona tho laa1 tho quantity WAS de-
tormlned.
In references to tho second inquiry madc Of
thom,-
IS THE AMOUNT OF COAL CONSUMED EXCESSIVE p
the Comnltteo state thai aovcral toats wcro
mado to desormino Tho quantity Of coal uscl.
The coal wAs Weighed to tho tltcmon ~ 1t W4B
! required throughout tho wholo trial Of tic
sso tris,, aud the Ei oaieaatei results. voro ho'e
inserted IN thn report. II Hhowod that THO ooush
onglnoa-sho now ones, and those tes!od-,dMr'
Jl0,G0i gallona OF wator, as determined by r1yor
measurement, being a. tho ratio or 11,671 1,u7u
gallons per tWonty hours, Or 91.10D OF por
cont less thnn tho quantity required by Bpcclhca-
tions aud contract. During the same time, tho
quantity as datermihed BY tho tunnel formula
48g, ,503 gnllous por twonty-four hours OF 35-l00
por cent in oxcssa OF tho quantity required by
specifications and contractst tho difference Boz
twcen M tho wer-gausing md tunnel formula bo-
As TO WHICH OF TIE Two Mrruops
Of determining the quantity Of wascr pumped }R
the moro aceuIate tito Committee state that they
differed 90 little that oither appsoxltnntnd O de-
glrab!o degrco OF accuracy. Tho condi-
lions under which tho weir measurement
WAS applied In this instance were not wholly
satisfactory, howeyor, mud the tunnel formula
had the most fnvorablo application, and WAS
probably the moro accurate:
Tho toason tho ougiues did not pump tho re-
quircd quantity aa dotoEmincl by tho wcir was
bscauao tho Wntor did not How Into tho well:
They pumpad all tho water supplied thom and
that, BY wolr'gauging fol- Rhort Of the specified
quantity Per cont.
During period OF two and onc.ialf hours.
when slo supply from riao in ing level OF tho
lake Has nuch greater taaa .a asna,' @ tno oneinea
pumped A. tuo fate OF a ,2N,9is gaiioas por
tnenty-lour hours BY yer measnrement, -, and =,
nE nosa sis ag , 10 sos
ooinH tn!s ma1smum "ofa LUG eoGsnea alseloaou
no uo'eosa ~ sHeaB.n. M
- TIE HEAD
slMsA49nt y WA1cA tno "atos Nas ruuipeu
aIT1ng g % tho srial waa m m average Of l3l.S5 feet
1alii1ng anort OF the epeelheo noad l3;S5 1cet.
4ll8, a0NeFeI. 6Entcu tu0 report, t0nl1 uoE DO