The Cairo bulletin. (Cairo, Ill.) 1???-1928, 1910-04-20

ried on and fully completed in sec.
tons of not exceeding two hundred
t200) feet at time and the back
filling must be finished complete up
! to within one hundred (100) feet of
the completed pipe laying; and if any
part or section is left uncompleted, it
shall be carefully and fully protected
By proper barriers and at night time
also by suitable red lights.
Manholes.
! Section rs, Four ca new man.
holes shall be constructed in said
Eighth street in the line of the sewer
now in said street and of the new
sewer herein provided for, and one
OF said manholes shall be located at
a point two hundred and fifty (25O)
feet west of Commercial avenue. one
of them shall be located on the east
line or Washington avenue, one of
them shall be located at point two
hundred and fifty (25l) feet west of
| Washington avenue and one of them
Shall be located at a point two hun.
dred and fifty t250) feet west of Wal
nut street
| All of said manhoes shall be built
to the grade of the said streets In
which they are constructed, and the
bottoms thereof shall be on level
with the bottom Of the sewer inside.
All of the said manhoes shall be con-
structed as follows; The walls of
the same shall consist of two CD
courses Of hard burned brick laid fiat
and in cement mortar, composed of
one "a part Of Portland cement and
three (Sl parts of clean sand. They
shall be cylindrical in shape and shall
have an inside diameter Of four CA
feet at the bottom ana Of two CD
feet at the top, and shall be built on
foundations of two CD courses of
hard burned sewer brick laid in the
same kind of mortar. and the bottoms
and inside walls shall be plastcred
with the same kind of mortar and to
the thickness of at least one-haif 90
an inch. In the bottoms of the man
holes shall be suitable flow channels,
troweled smooth, and conforming ac-
curately to the grade and circle of
the sewer pipe and in each of-them
\ there shall be placed three-quarter
"a inch wrought iron steps firmly
embedded in the walls thereof, and
spaced twelve (t2l inches center to
center They snail be provided with
cast-iron rings and perforated covers
or lids Of not less than three hundred
and fifty (35o) pounds combined
weight each. The height of the said
manholes shall be such that the tops
Of the iron covers thereof shall be
on a level with the grade of the
streets in which they are constructed
! House Connections.
( Section 2G There shall be house
connections in the said Eighth street,
one % connection for each and
every lot or space OF twenty-five $3.50
feet, extending from the sewer
herein provided for, on both sides OF
NV 1NlNNiF w q ililt VI pblDl ACll wv
feet from the lot line. They shall be
Of six 90 inches inside diameter and
shall have a fall or slant at the rate
of one ID foot in forty (i0) feet from
the sewer and the pipe therefor and
the whole manner Of laying the same
and completing the house connections
shall conform, in all respects, as near
as practicable to the manner of laying
the sewer pipe of the sewer itself.
Section n. Care must be taken to
remove fully and completely all sur
plus or projections of cement which
may remain after the joints are
fitted; and no sewer, house connec-
lions or inlet or part of sewer shall
be left, or offered to be turned over
by the contractor as complete, until
all rubbish Of every kind and de-
scription shall have been fully re-
moved therefrom by him; and all
dead ends Of sewers or other pipes.
snail be carefully closed by him with
earthenware caps or with brick and
mortar, so as to exclude all running
sand and other materials of every
kind The earth or materials exca.
waited shall be deposited on the sides
of the sewer trenches beyond the
reach of slides, and the work shall be
done and carried on so as to subject
the public, in the use of the streets
and sidewalks to as little incon-
venience as possible; and all side.
walks and street crossings shall be
kept in safe condition for use by the
public by tunneling or by securely
bridging the trenches, except in cases
where it may be necessary to close
the street or sidewalk until the work
within the street is completed
Section Is. Where any railroad or
street car line is to be crossed or in
teffered with in the construction of
the sewer or in doing the filing or
eXcavating notice of the time and
manner Of doing the work must be
given by the contractor to the com
panies or persons operating the rail-