The Jersey City news. (Jersey City [N.J.]) 1889-1906, 1895-05-08

a. EE o. : /: !. 4 1 { !. ; :" :
The intake reservoir is intended no
aerating basin for which it is admiral
> IS no b syeT n01s fba s5es q fs sHa wb aapt
i int asedA to = cut ff9 Of fronl t Rh'' peaerves
tie &c DEPTH I5is q whlRc 2hf1dR oaI h not e Dsnss
feet. and e arrange ths intercept
sever wa rem fr Dove tbi ana nor Eff2 oI ~ ~ SO
vo-r can be drawn off through the sewe.
at any time when an examination show
such deterioration ever occur. The in
reservoirs aTs to Be thoroughiy ciearss
of all vegetables or other organic matt
and a minimum depth of 6 feet provio
when the water is just level with
not less thai 10 feet. The plans &C.
templated the erection of masonry dams
for most of the storage reservoirs, butt
the right is reserved to substitute there
for eafthen -enhanknents with slopes of
two. to one on both sides with an added
wal Of concrete, Observation-Disclosures
to be provided. The system of reservoirs
shown on. the accompanying map has
an amount of storage for all parts of the
watershed equal to 7 inches of rainfall.
Value Of the Watershed cam anu intimately
INTERPRETING SEWER. In order
to prevent future pollution by the vii
lagos of Dover and Rockaway, an in
tercepting sewer will be constructed
through these places of a. capacity suf-
by which all the sewage shall be con-
veyed to a point outside of the water
shed tributary to the intake. this sewer
manholes, and to be constructed of
sewer pipe of proper size and quality.
STEEL 81 ! PIPE, Al steel PIPE I; ! used Is
least o~ne-quarter inch thick. to be
double rivetted along longitudinal
seams: This pipe shall everywhere be
capable of sustaining a test under pres
sure equal to three times the greatest
in use. It will be thoroughly coated with
distilled asphalt within and without, and
all abrasions of coating carefully re-
trench. Air valves will be provided suf-
icient 70 prevent the formation of
vacuum. or the reduction of the air pres
sure within the pipe to less than half
an atmosphere in case of sudden empty
ing of the pipe from any cause. Stop
valves or yates Of standard pattern will
shown on the ACCOMPANYING profile; all
gates to be fitted with blow-of gates in
such a way that the latter must be
closed. Blow-off gates will also Nbe pro-
vided at every depression in either pipe
for. the purpose Of emptying the pipe
gates, hlow-of gates, slufce gates ana
other pipes and gate chamber fittings
are. to be Of approved standard patterns
QUALITY Of THE WATER: 4 study
OF 4 pau aaa'y yfnar OF w hne se eomnr;aa @ fhe hest
waters in the state of New Jersey. indi-
Gates that in their natural condition none
the ..Rockaway river. They are Al
EQUALLY subject to contamination. while
they are not all so favorably, situated
as the Rockaway for effectual preven-
tion of such pollution. The proposed in
tercepting sewer will provide a practical
outlet for all nollution, ard the use Of
read geaaily oU enforced by means Of ordinary
health laws of the state. whereas. IN
cases where such an outfet ,annot pc
provided. the prevention of pollution mas
been shown to be o very difficult mat
ter. and only possible through acquiring
the property which is the cause or nol-
we are prepared to guarantee that the
water of the Rockawav river will be
held up to the standard of purity fnr<
nisbed by Specification c., with the Ioi-
lowing notifications:
The total amount of free ammonia
shall ba a not exceed ef d % PARTS tsn peE mi eoilnc+e cd
during one week, or 10 parts per million
a. The total amount of albuminoid am
mania shall nof eyceed * narts per mil
lion for the average of daily samples
collected during the week, or 80 parts
The total smoiint of nitric acid shall
,ot III ax coesf ; narts par million for the
aI,eree e IF daily 50 IMPLIES collected during
one week. or 5 parts per million at any
fine
ei NJ . tho ono,vsis of the
rest speci,hens .Er ~ 10 tsIan hath
water may ne rsuuiII9 ~ % ~ ,oint
from tna ct,iouaaS &c. and from tbe
east CT sne fassa,T " fnto witch the
resslso;r ba;nn deli2ered and tha CON
M5ltr 4 ! ~ baneit of fhe hest
Iat1or 10 Isis 5Tbe lasr renuirement
~ 1o : to he q nerfeetlv fair one for
the raasnn mat the cantractor should not
No be1d resnonsihIe for deterioration Of
ma.el - aon+roI 1yb;ie he should have
= anee+S ~ env nuicl. change in the
onnd;tion of the water due to its being
roiaased from the nines into the onen
air sineA the CITY win receive the water
in tbis improved condition from the res
nrx-oir tn ali other resnects than those
above enumerated we are willing that
the wafer shall be submitted to the test
provided bv the standard, but in the
cases expected we believe the standard
70 he above the legitimate requirements
If mira and wholesome water such as
Is oh+afuahla raturallv and without ex-
,ea,,eiy,e met of treatment which are
a,iden+iv not contemplated in the re-
c1,irar9an+s of specification G following
tba cham;oal standard. namely: "No sun
INV would he considered undar this speci-
fcatian which is not naturally pure and