The Detroit times., 1914-09-23
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1tyen above shall be Of material OF
nufncient thickness to safely hold
Nc y ana PPSnas ssa
I be more than 80 feet high.
y Boc. 81. With the approval OF
the Chief OF the Boiler Inspection
department. tanks or copper or
! Other suitable materials may be
used, II after the necessary hand
ling. incident to installation they
conform 10 the value given above
e g strength, rigidity durability
Sec. "a Tanks shall be riyeted,
soids so q .caa ,nusa or otherwise
made tight In O mechanical and
Workmanlike manner and IL TO be
uood with a pressure discharge
gystem shall safely sustain a hy-
drostatic test at least double the
preesure TO which tank may be
subjected. Top OF tank TO be Sc
cureIy fastened TO top ring, with
5o1nts OF equal tightness 20 those
between rings. They shall be COW
4 cred with asphaltum or other non
!. connections shall be made. through
0anges or reinforced metal secure
\ IN rtveted, welded or bolted TO
tank and made thoroughly tight
Bee. SO. Tanks must be set upon
. arm foundation. and outside
& portable tanks. must be electrical
sly grounded. ae#N g..
Tanks more than one foot above
= the ground must have foundation
8 and supports OF on-combustible
~ sam pn.tibia materiai shall be
permitted under or within 10 feet
Of any above ground outside stor-
Age tank.
Tanks containing crude petro-
leum shall be surrounded by an
4. ernbapkment or. wall OF sufncient
height to provide storage equal to
one and half times the capacity
of the tank,
Sec. 81. Stationary tanks inside
buildings for the handling OF IL
permitted In this ordinance, shall
Sc made OF soft galvanized iron.
4 or tin plate suitable for the pur-
\ poses. Cylindrical tanks OF l2O
gallons or less capacity shall be
( made OF material with a minimum
STANDARD; Rectangular tanks Of 500
gallons or less capacity shall be
made OF material with o minimum
3 thickness OF No. II gauge U. 5.
3 Standard. Correspondingly heavier
gauge metal must be used Tor Ss
locked, double scanned or riveted.
All joints must be soldered or
made tight by some equally salts
4 factory method All such tanks
shall be 50 located that ss the PUMP PUMP
b not be below the frst floor for a
Z radius OF at least three feet from
pump shall be Of non -combustible
materials or covered with metal
Tanks similar to those given In
Section. 80 may also be used. or
original barrels or drum. may be
used until contents are drawn, AZ
Substantially placed TO prevent
Y ttpping or rolling. with pump IN
serted through a close fitting con-
nection In head or side.
AFTER Nv. PIPING AND OTHER
APPROPRIATENESS.
4 sec. So. All connections from
\ tank to any house or sub-surface
drainage system shall be SO ar
rsnssd AZ as to prevent the now ,c 2,
system or the leakage OF any In
f1ammable gases from such nuid,
Il or properly constructed innam-
5 mable fluid collectors shall be pro-
( vided In such connection.
Sec. Sc. All underground stor-
age systems for Class I liquids, In
& iIammabie gases, shall have. at
least 1-inch vent pipe. run from
y top OF tank TO q point outside OF
the building and acceptable to the
Chief OF the Boiler Inspection De-
least IL feet above level OF source
Of supply and In a location re-
mote from Are escapes and never
nearer than three feet, measured
horixontally and vertically, from
any window or other opening: the
4 roosc neck protected In the out
~ end by 30x30 mesh or equiva-
lout brass wire screen Or a COM
kined vent and filing pipe, so
oquipped and located as to. vent
the tank at all times. even during
The vent pipes from two or more
tanks may be connected TO one up
r1wht, provided they be connected
a 4 point at least one foot above
level or source OF supply.
ssc: "; Ala, All drawin n hu,I pipes :
shall have valve ut the discharge
end: when delivery. 10 by gravity,
plp6s shall have valve, which shall
preferably be OF the automatically
cloning type. and In addition must
ha ssc sm "a SWSsre vt sanks are above
xround there shall be valve To-
Gated near the tank In each pipe.
In case two or more tanks are
cross -connected there shall be
valve near each tank In each cross
Sec. 50. Pumps delivering to or
taking supply from above ground
storage tanks shall be provided
with valves on both suction and
discharge side OF pump, and check
valve when ae WSstss to tank
tanks are used, all pipes carrying
volatile infiammable fluids. except
8i In dry-cleaning establishments,
shall pitch toward tanks without
any traps or pockets, and shall
Sec. 81. Ali pipes IN systems for
y infiammable liquids shall be Of
standard full weight brass, gal
vanixed iron or steel, with suitable
brass or galvanized malleable iron
or steel httinss. No rubber nor
shall be used. II unions are used.
al least one face must be OF brass,
with close fitting conical Joints
Litharge and glycerin,. shellac or
other suitable material shall be
used on pipe joints Outside pip
ing must be protected against any
mechanical injury when within
feet OF ground level. Inside pip
ing must be rigidly supported.
Sec. 90. Defective and leaking
piping must De made usnt imne'
Sec. SIS. Piping carrying Class
and III liquids, unless without
Joints or connections, shall not ex-
tend through any room which con-
tains any open light or FIRE.
Sec. Ga The end OF the flline
nipe for underground storage tanks
for Class I and III liquids shall be
carried to an approved location
outside OF any building, but moi
4 ufithin feet OF any entrance door
or cellar opening. and shall be SCI
IN an approved metal box with
cover which shall be kept locked
except during filling operations
this ming pipe shall be closed by
screw cap = soxso mesh s,, Q,
shall be placed In the supply end
81 fllinR pipe.
See. Is. Deliveries OF infiam.
nable LIQUIDS OF Glass and II
where practical. shall be made d..
r<ctly TO the storage tank through
lhe dlling pipe by means OF hose
81 pipe between the filling pipe ant
barrel. tank wagon or tank cal
from which such nuid Is being
. M1-m1 ~ = "a 4. y W