The Jersey City news. (Jersey City [N.J.]) 1889-1906, 1897-10-30

rlsaned insneataa 10 rer,alred without
interfering with phe How Of water in any
az the other sactions Wl,ere b,lt one pipe
IL laid nroner n,aSTisions m,,sf be made
for such Connections with a second pipe,
so that said connections ean be
without int erfering with fhe flow OF water
in the firsf nine s,,nh q connection shall
be made or pIoyidcd for Immediately be-
low any intake dams. also on the river
bank nearest the intake at each point of
crossing of the Passaic and Hackensack
Rivers. on the opposite bank at such
crossings a single gate must be placed on
each conduit. Other like connections
there Shall nowhere be a stretch exceed
ing FIVE miles in length without such con-
nections or provision for such a connee-
ton.
GATES.
Gates or STOP waves are 10 pc iurnlSnso
ana 50 plaeed as TO d1N1ae eacn pipe ~
a~ppfoxlnfately one ana one-nail ihils ~
1919, aiu plelesdois are g . s n.hod;ed
EIelze-mouhleu dounie sates, sesteu md
sv pouiias piesouIe PER saua.e l;aas Nv
az ~ e 4iiileu 7 = ~ FPS ~ ar sian
Va ivas AID ali othar fittinss used on the
eonduit adiaaant t t 4o resist any
nress1'res or Strains 10 which fhey may
he slybieeted
s,a taa ,ei,rn 49, s,,nfl he comnoeed Of
eighfvS6ve ner cent conner ten per cent.
tin and FIVE ner cenf. spelter. and shall
have a tensile strength Of not less than
% 009 pounds ner square inch with five per
cent elongation In eight diameters and
five per cent. reduction Of. area at break
ing noint. The valve guides must be
| straisht and smooth All face Joints
! must be plain. true and smooth, so as to
verv min IA Yer Of ntsre lead cement. Valve
stems shall be made of bronze, having
a tensile strength of not less than 10000
| mounds ner SQUARE inch. and the screw
| threads thereon shall be cut accurately
| to work true and smooth throughout the
! entire lift of the valve. On the upstream
| side of each main stop valve a blow-off
shall be placed and interlocked with the
STOP valve BY proper device, SO that the
blow-off must be open before the main
| valve can be closed.
AIp vArvEa
r,ar,, ~ ~ r. ,jne line shall he
,nar;5o - ~ ~ i've ~ +Ee most
annroved pattern ard Of a size properly
appaoo rtioned ~ tba d,txy II mas 10 ner-
farp ItfsaaiI no nrovided with 4 Stop
ralua Mated 70 a DANCED casting or forg-
no r;sseted man he ton Of the pipe.
80 r np sba1I also he nlaead
anAaaab siaa ~ ax,eTv gate They shall
IN IN $3.50. w. $50 5,d nrotected from
pe pi4nsris 1880 fron frost or mis-
po?ssouity " oaats. - - he readilv
chlei, put SO airanseu % ~ as+;ng
aeSe0 Ut M
!. III aonrassinns biou~ofss shall be
~, ~ a. pananaving the nine They shall
pc proVloea WIN ~ eanSed castins or fore-
togetIel Sc ,;ne Particnl3r
us 800 he tonen to nave the founda-
80 Iaa fnr hotb ni,e ard blow-off secure from
,a;o,hL - - 'Iuan,iat saftlemenf An iron pipe
lish el,sda5 4olcarTx ths v-afer from
s h : ye ~ ~ 70 : natural water-course
the pi9s-oi ~ " aui
or ulicil. 7rr D1Dr
olGEL 49, a+;,, If
The Plates usea IN ehe cems ba lees
the conduits sna - ~ in ~tbickness
| and the working strain due to the staue
head OF water 10 Whlch tiley ~ pe eD-
Jected snail. UNDER no cltsalis. .ar so,,s ~
coed min thousand pouaos PEI US
inch section: ! ona,i+
The steel for the plates OF tne tohuuil
shall be- of the class eailed SOIL anu
! shall be made by me naS = u hs as,u open
hearth process the steel Shatl contail n.y.
more than three, ~e-nundredth per cSn..
of phosphorus and TOUR one-nunuIe eueenans
per cent. of sulphur. II by the acla open
| hearth process, the steel shall contain moi
more than seven and one-ha1 ohe-lul-
| dredths per cent. of phosphorus ana ipur
one-hundredthS per cent. OF sulphur, lne
| amount of manganese and carbon TO pc
in such quantities as shall produce the
best results The tensile strength OF
the steel shall be between the ilmltS OF
| Up 00O hfty-two thousand and ~toz,uoo) SIN
fv-two thousand pounds per square inch,
| So test snecimens to be s inches long
| and 11a inches wide between measuring
h elastic limit shall not be less than
oaiba1f tbs tensile strength required.
| ~ a1onoa tfnn to be not less than TWEEN
r I paT rent and with a reduction of
Observation-Disclosures area. at the point of frac-
t're ~ nor less than so per cent.
PPending fest specimens cut lengthwise or
neesa.;ss fron1 +he sheets or plates to be
~ ;oahas long and one inch wide, TO be
$50 Isn dsorees npon itself when cold,
~ ad ba nmered DOWN fiat without sign of
4ract,,ra on the outside OF the bent por-
Hon
ti2n,, mo tast snecimeps of the sheets or
lplasfes TO be ~ inches wild and not less
fhaY ten inches long in the middle OF
which a row of NOT less than eight holes,
hrae-dllarters of an inch in diameter,
snaced one and inches be-
causing cracks; such punching to be
made when the steel is cold.
Drifting fest specimens of the sheets or
| plates to be Sheared three inches "ioe
and mo- less thai five inches long,, IN
| which not less than two holes, three
quarters of an inch in diameter, spaces
| two inches between centres, and one ana
| ore-half inches from the edges, shall be
punched, and then enlarged by. blows from
| = sledge hammer upon a drifting pin UNI
| til said holes are at least one and one
quarter inches in diameter, without caus-
ing any cracks; such eniafgementS 10 DC
| made when the steel is cold. :.
The sheets or plates mus diso suiilto a
cold hammerlng or scafLns 70 d ms euSt
at the laps without cracking, and the test
! pieces must furthermore stand such
Quenching, forging and other tests as may
suffice to exhibit lully the temper souilu-
ness and ntness i9f use OF me m.at ,yban
The failure OF SAID test specimesis, "nsl
taken at random as adofesaia from tns 5,
finished product OF any meat or mel,
to conform TO the above requlrsileats, WI
Dc Suiilcieiit ts'usS = III ~, ~ .n,a1t >