St. Johns review. (Saint Johns, Or.) 1904-current, 1908-02-07
ORDINANCE NO. 100
An Ordinance in Relation to the
Construction Of idewalks
The City of St. Johns does ordain as

The City of St. Johns does ordain as
follows:
Section I. All artificial stone side
walks and curbs laid in the city OF st.
Johns hereafter shall be done as follows:
CURB
Section a. The curb shall be sixteen
(I6) inches deep, (6) inches In width
at top, and batter out at the rate OF one
inch in one foot, and shall be beveled
or rounded on the upper and outer
edge. The curb shall be twelve tt7) feet
from the property line unless the coun-
Gil otherwise provides.
FOUNDATION
Section 4. The space over which the
walk Is TO be laid shall be excavated to
the proper subgrade and thoroughly
compacted by rolling or ramming:
Any Objectionable or unsuitable material
below subgrade will be removed and
the space filled with gravel or sand,
we'll rammed in place. The finished
subgrade shall be parallel with the
surface Of the finished walk. When
the sidewalk does moi cover the whole
width of the sidewalk the space not
covered shall be filled or excavated TO
the top Of the curb.
Section 4. The rock for making the
concrete to be the best hard, dark
colored, sound basalt rock, granite, or
equally hard stone, broken in pieces
not larger than two inches largest di-
ameter, nor smaller than one half inch
In diameter, or gravel Of similar sizes
may be used instead of rock.
The broken rock shall be screened
so that all dust, clay, loan, vegetable
matter, and pieces smaller than one
half inch In diameter shall be removed.
The rock shall be thoroughly washed
II considered necessary by the city
engineer.
CEMENT
Section s. All cement shall be arti-
fetal Portland cement, free from Jumps
and deterioration on account OF exposure
TO the weather, and must be approved
by the city engineer, who shall have
access TO II for the purpose OF testing
at least ten days before II Is used.
SAND
Section 8. All sand must be clean,
sharp sand, known as Columbia river
sand.
CONCRETE
Section 7. Upon the foundation pre-
pared as heretofore specified will be
laid bed OF concrete three inches IN
thickness, TO be made ~ follows: The
cement aud sand will be thoroughly
mixed dry and made into mortar
with the least possible amount OF water,
10 this will be added the broken stone
thoroughly drcnched with water, but
no loose water in the heap.
The concrete shall be made Of three
parts by volume OF sand 10 six parts |
by volume OF broken stone or gravel, |
with sufficient Portland cement |
10 make one cubic yard OF concrete with |
each barrel Of cement.
The concrete shall be measured, |
In place, and barrel Of cement |
shall mean three hundred mnd eighty |
pounds Of Portland cement net weight. |
The rock shall be Incorporated inn |
with the specified measure
II mortar and thoroughly mixed. II
hall then be spread aud at once |
thoroughly compaeted by ramming |
Until free mortar appears on the sur.
ace. The upper surface shall be made |
.xactly parallel with the surface OF the |
work. The mortar aud the
concrete shall not be mixed in greater
Quantities than Is required for immediate
lse, and none remaining unused until
iaying set shall be remixed or used In
my way. The whole operation OF mix.
ng aud laying each batch Of concrete
hall be performed as eSpedi,iously as
'ossible.
WEARING SURFACE
Section s. Upon this surface the
wearing surface will be laid three
ourths OF an inch in thickness. II will
&C composed OF sand and cement so
hat in twenty-seven cubic feet OF ce-
nent wearing surface there shall he
hree barrels Of cement at three hundred
nd eighty pounds net weight.
The wearing surface will be laid
hree fourths of an inch in thickness
non the concrete base. while the latter