Audubon Republican. [volume] (Audubon, Iowa) 1894-1925, 1917-02-01
shall be such as pass three quartz
inch screen.
SECTIcN q
Proportions

Proportions
The concrete shall be mixed in the
proportion OF one Cd part Portland
cement, two 90 parts fine aggregate
and three and one-half part coarse
aggregate.
If pit run gravel is used the same
be subject to the approval of the
Street and Alley committee or their
representative The proportion shall
not exceed one part Portland cement
to three and one-half parts gravel,
all of which will pass a three-quarter
inch screen and shall contain not
more than 65 per cent of material
classed as sand.
SECTION z
Material for Concrete Two Course
/ Work
Cement shall meet the require
ments of the Standard Specifications
for Portland Cement, adopted by the
American Society for Testing Mater
ials, Aug, 16. 1909, with all sub
sepuent and additions thereto by
said Society.
Fine aggregate shall be of clean
sand or gravel screenings free from
loan, vegetable or other deleterious
! uldtleT, BTdueu Uue W COdTSe
and passing when dry a screen hav-
ing one-quarter inch holes, and not
more than three per cent shall pass
sieve having one hundred meshes per
| linear inch.
Coarse aggregate shall consist of
hard durable crushed stone or gravel,
graded in size, retained on screen
having one-quarter inch diameter
l1lA I, i'm. e,., CHI he
such as to pass screen having holes
one and one half inches in diameter.
SECTION 8
Proportions
The concrete for the base course
shall be mixed in the proportion of
one part of Portland cement, three
parts fine aggregate and five parts
coarse aggregate.
If pit run gravel is used the ratio
of cement to the sand contained in
the gravel shall not exceed the above
mentioned proportions. All material
passing quarter inch screen shall
be considered sand.
The motar for the top course shall
be mixed in the proportion of one
part of cement to two parts sand.
SECTION
Wearing Course
The wearing course shall have a
minimum thickness or three-quarters
Inches, and shall be placed immed-
lately after mixing and in no case
more than fifty minutes after the
concrete for the base hasbeen placed.
SECTION 10
Individual Contracts
Any contract made between in
dividuals or individual property
owners with any person, firm or cor
lporation, for the construction of side
walks upon street, venue, or alley
within the City limits shall be made
in accordance with the provisions of
this ordinance and this ordinance
shall be deemed part thereof.
SECTION II
Test and Inspection
The City engineer or any member
of the Street and Alley committee
shall have the right to go upon any
work where side walks are being
constructed as provided in this ordin-
ance, to make tests and do such other
acts as may be necessary to determine
whether or not the provisions of this
ordinance are being complied with.
.. SECTION IL
In case any section of this Ordin.
{ ance shall be by any court of com.
: petent Jurisdiction held invalid, such
section shall not operate to invalidate
any other section of this ordinance
, and the section or sections not adj
judged invalid shall be observed and
remain in force as though the invalid
section or sections had not been en-
acted, and shall stand and be upheld
at the legislative will of the City OF
Audubon. Iowa to the same extent as
if such invalid section or sections had
never been part OF this ordinance
SECTION 13
That any person guilty of violating
any of the provisions of this ordin-
ance, shall upon conviction thereof
be fined in any sum not less than one
dollar and not exceeding $4,000 and
cost of prosecution. or be imprisoned
for not more than 80 days.
Passed January 29,1917
Attest
Geo. Kellogg II. J. Mantz
City Clerk Mayor
This ordinance is hereby approved
by me this 29 day of January, 1917
Attest
Geo. Kellogg H. ]. Mantz
City Clerk Mayor