The Cairo bulletin., 1908-09-05

must be carefully and compactly fill
ell with sand or fine earth so as tC
hold the exterior mortar finish OF sait
joints securely in its place. The refill
ing shall then be carried half way III
the sides of the entire length of pipe
vita selected earth and compacteo
with a proper tamplng tool. While
the pipe is being laid in each section
between manholes or other perma
nent openings, light from the remote
end of the section shall remain con
stantly in view
Section .. On both sides of the
sewer and as near the center line o.
each lot or parcel of land of the width
OF twenty-five (25) feet. as prac
ticabe, there shall be Y braches
of six Co inches diameter laid
or turned to an angle of forty
five (45) degrees to receive the
six 60 inch house connections herein
after provided for: and said house
connections shall be securely closed
at the lot line with an earthenware
cap set in cement mortar except
where the lot owner or proprietor dc.
sires to connect his house or drain
pipes Herewith at once. The exact
location of all Y branches shall he
carefully ascertained by the city en-
eineer of the city or some other com
petent person, designated or appoint
ed by the city council, before the con
cealment of the said branches by bach
filling, by accurate measurement from
the center of the manhole next below
in the same line of pipe, so that a trpt
and exact record may be preserve,
for future use: and no Y branch shall
be covered or concealed before its eX
act location has been noted and re
corded.
Section G The sewer trench shall
he carefully filled, rammed and lamp
ed in uniform layers of suitable earth
or other suitable materials of not ex
ceeding twelve q2) inches in thick
ness; and in doing the back filling
care must be taken to fill in and com
pact the earth around the body of the
sewer pipe before beginning with the
twelve 02) inch layers. which are to
be rammed and tamped. In the doing
of which neither the sewer pipe nor
the line of the sewer must be in any
wise injured or disturbed; and the
street surface above the sewer shah
be made firm and solid and altogether
suitable 10 receive street paving
whenever the same shall be ordered
Section 6i5. II shall be the duty
OF the officer or person making the
assessment hereinafter provided for
to investigate and report the distric;
which viii be benefited by the sewer
provided for herein and to describe
the same by boundaries.
Section 7. The work shall be car
ried on and fully completed i'm sec.
tons OF not exceeding two hundred
t2oO feet az time and the back
filling must be- finished complete ur
TO within one hundred G00) feet o.
the completed pipe laying; and II
any part or section is left uncom
pleted. it shall be carefully and fully
projected by proper barriers and al
night time also by suitable re
lights
Manholes.
Section s There shall be a man
hole AZ each end of each sewer. one
at each street intersection and ons
In the center of all blocks on streets
running east and west All Of said
manholcs shall De built to the grade
# the said streets. and the bottom
thereof shall be- on level with the
bottoms Of the sewers inside. All OF
the said manhoies shall be- construct
Cd as follows: The walls Of the same
shall consist OF two % courses OF
hard buruef brick laid fiat and in c.
ment mortar. composed Of one a.
part Of Portland cement and three t3l
parts Of clean sand. They shall be oi
four ca feet diameter Ar the bottom
and decrease or ta9er 10 tWO ~ feet
diameter az the tOu and b. built Oh
foundations AZ two 90 courses oi
hard burned sewer brick. laid in the
same kind of mortar. and the bottoms
and inside walls shall Boz piasterei
with the same kind Of mortar and ta
the thickness of at least 0ne-half ~
AN inch. 10 the bottoms If the man.
holes shall b. suitable flow chan.
neIs troweleI smooth and con.
forming accurately TO the grade an
circle If the sewer pipe, and in each
LOT them there shall be placed three
quarter fssB inch wrought iron steps
frmiy embedded in the walls there0
anil sFseed twelve G2l inches center
TO center They shall b. provided
with cast iron rings and perforated
aoverr or Ids Of not less than three
hHrIred and fny f55e pounds com
bilsd weight. The heisht Of the sid