The Fargo forum and daily republican. [volume] (Fargo, N.D.) 1894-1957, 1911-04-06


the sub-grade, It shall be placed IN
layers, each layer being thoroughly
tamped and rammed
whenever old trenches are enconn-
tered special care must be taken in
tamping same and make it compact
and solid.
Sec. IS. The foundation shall con-
sist Of coarse cinders (free from vege-l
table matter) or broken stone, brick
bats, sand or gravel. This foundation
shall be thoroughly tamped and pud-
died before walk is laid and shall be so
prepared as to present an even and
uniform surface. In all places where
the walk 10 not placed against the curb
Or buildings. and upon completion OF
all such walks which are above the
natural surface of the ground, the con.
tractor shall make a fill on each side
of such walks flush with the top of
the completed walk, forrning-a BERN of
one Cd foot on each side, and shall
slope to the natural surface Of the
ground at the rate OF one and one-
half (1M) feet horizontal, to one (1J
foot vertical.
The bed shall be so prepared as to
present an even and uniform surface.
Sec. IT, The concrete shall be mixed
on movable water tight platforms of
such size as shall accommodate the
manipulation hereinafter specified.
The cement sand, stone or gravel
shall be mixed in the following proper
tons One al part Portland cement,
Three CD parts sand and Five (5l
parts broken stone or screened gravel.
If bank rum sand is used this proper
ton should be One ID Of cement
and Five (5) OF sand. The sand and
cement shall be thoroughly mixed dry
to which sufficient water shall be add
ed, and then made into stiff mortar.
The stone or screened gravel after
having been mixed with water, shall
then be Immediately incorporated in
the mortar, and the mass thoroughly
mixed by turning over with sliovels,
hose or mechanical mixers at least
three (3) times, or until particles of
stone or gravel are thoroughly covered
with mortar.
The concrete shall be removed from
the platform and placed on the foun-
dalton in such quantities that after
being rammed in place the layers shall
be of the required ttickness .CSA)
inches, and the upper surface shall be
true, and three-fourths (A) OF an inch
below and parallel with the top of the
finished walk The second or finish
ing layer (N }. inches thick, composed
OF one ~ part Portland cement and
two ca parts clean, sharp sand to be
put on before the first layer has set.
and trowelled sufficiently to give the
complete walk true and even surface,
finished rough
Sec. is. Before the top of finishing
layer has set the contractor shall place
in said walk in front Of each lot or
parcel of property a stamp or plate
giving plainly the name and address of
the contractor building the walk, and
the year in which the work was done.
which stamp or plate shall not be more
than twelve Q2) inches in length and
six CO. inches in width. The top of
the said plate shall be flush and even
with the top of the finished walk, and
must be of a permanent character
plainly stamped and firmly bedded
in the concrete in such a manner that
it cannot become defaced or loose, or
be easily removed, provided, that
whenever one contractor has laid
walks in front of three or more adj
one continuous stretch, then one of the
above named stamps placed on the
walk at each end of said stretch Of
walk viii be sufficient.
See. 10. During the progress Of the
work the sub grade must be kept
moist.
Sec. 90. All sidewalks must be so
constructed that when completed the
top surface shall coincide with the
grade of the space between the curb
line and the street line, which grade
shall be a uniform incline from the
street towards the curb line. The sand.
when delivered on the street shall be
deposited in a clean place and kept
from vegetable matter or loan until
used
Sec 81. Tamping. The foundation
bed and surface must be thoroughly
rammed or tamped with suitable tools
and to the satisfaction Of the city en-
| gineer.
Sec. 22, Joints. The walk must be-
cut into blocks of such size and in such
manner as shall be determined by the
city engineer.
Sec. 23. Driveways or Crossings for
Teams. Cement, Concrete or Artificial
Stone. Upon twelve (12( inch foun-
dation must be placed a layer of con-
crete uniformly four a. inches in
depth, and composed as follows One
| CD part Portland cement and four (4)
parts sand and gravel thoroughly inter-
mixed. with sufficient water to form
a stiff mortar of combined cement,
sand and gravel. This concrete must
be spread and ramned to an even sur
face, parallel to and one CD inch below
1.-The proposed sidewalk surface, before
any set in the mortar can occur.
| The wearing surface must be COM
posed of one Cd part Portland cement
and two (2) parts sand, thoroughly
mixed dry, after which sufficient clean
water must be added to form a stiff
mortar.
This mortar must be evenly spread
upon the concrete base before any set
can occur in the mortar and before
the concrete has become dry. The
| mortar, as soon as spread, must be
| fioated and travelled to a true. smooth
surface at the sidewalk grade. The
blocking for the driveway must be
done by cutting and finishing after the
usual manner, except that grooves will
be made three eighths (ss) of an inch
lat the bottom and three-fourths (%)
Of an inch wide at the top or sidewalk
surface. the design to be furnished by
the city engineer, and win generally
be spaced four ca inches from each
other across the driveway (along the
sidewaik). The surface or form of the
driveway, when complete. will be level
with the adjacent sidewalk, except
the apron adjoining the gutter,