The Caucasian., 1903-06-07
CONTRACT AND SPECIF1CA-
TIONS FOR CONSTRUCTING.
Continued from page z.)

LcSeltCi, III td1Sil fltitS dlloSS III
roadway, at right angles to the curl
and perpendicular to the grade of tn
street. The joints shall be broken b.
a lap of not less than three go inches
Every twelfth course shall be laid to :
line clear across the street. The pre-
ceding twelve courses having beel
driven to close joints by ramming o
the use of a sledge and wooden blocks
On intersections and functions of lat
eral streets the engineer and improve
ment committee can change to direction
of courses to any angle they may deem
proper.
The brick when set will be thoroughly
rolled with roller operated by a steam
power giving a weight pressure of no
less than one hundred C00) pounds pei
lineal inch of roller, the rolling to con.
tinue until the bricks are firmly beddet
and the pavement surface Is perfectly
true and smooth. The surface shall be
tested with a straight edge and tenn.
plate and any unevenness must bs
taken out and made true to the required
grade level and cross sections.
All cutters, wells for catch basins
drainage details and street and alley in
tersectiens must be nodded to conform
with plans and details and grade lines
established by the city engineer.
Any portion of the pavement noe ac-
cessible to the roller will be thoroughly
rammed two or more times, as the en-
g1neer and improvement committee
may direct While the rolling is In pro-
gress, If considered necessary by the
engineer and improvement committee
the courses must be again Strengthened
and lined up and all damaged and de-
fective brick removed and replaced by
good and the surface left even, smooth
compact and ready for filling.
After the pavement has been COM
p1eted in accordance with the foregoing
specifications, it shall be thoroughly
cleaned by sweeping, and then each and
every joint must be filled to the surface
with coal tar residuttm paving cement.
After the joints have been properly
filled a layer of sand IA of an inch
deep shall be spread over the completed
portion.
The filler to be used in filling the
joints as herein provided, shall be coal
tar residuum paving cement, ordinarily
numbered six at the manufactory,
heated to a temperature Of 800 degrees
Fahrenheit.
Between curb lines of any intersect-
ing street or alley which Is not paved
the concrete and pavement shall be I'm
ished against a white oak plank 8
inches thick, IL inches deep and of such
length as the engineer may designate.
When work joins pavement already
Idtu3 the eISlHS6F anu improvement
committee may require the contractor |
to remove and relay sufficient amount |
of the old pavement to form in their |
estimation a satisfactory connection Of |
the two pavements.
PAVING WITH SHEET ASPHALT. |
4S.-Foundation The earth founda- |
ton or sub-grade will be brought to an |
even surface, parallel with the grade |
proposed for the pavement, by making
the necessary excavation or er1bank-
nient and the excess dirt or any other
material tor any other materials, rock,
gravel OF ltirnber) from excavation
shall belong to the city and be delivered
at any point within 1000 feet from linn
its OF contract as may be designated by
the engineer and Improvement commit
tee #&ESEg# -
Soft or spongy earth, or other mate
rial not affording firm foundation,
will be removed, and the space filled
with souffd stone or other material
broken as specified for concrete, which
shall be solidihed by ramrning or rolling
as hereinafter provided. II
The stib-grade surface will be COM 4
paeted by rolling with roller operated {
b" steam power, which will give a |
weight pressure of not less than 200 II
pounds per lineal inch of roller. ANY I
portion not accessible to the roller shall
be thoroughly eompaeted BY ramn1ing. |
When the rolling and ran1rfiing shall be !
done the surface shall be true and I
smooth and oI-2 inches below the pro- ,
posed finished surface of the pavement !
CONCRETE. !.
4g.-UDon the foundation as above I
r3I ;.-,ft T. -
six inches in thickness to. be. j
composed by measure as follows. Z
Portland cement is used one part Is
cement, tour parts sharp sand, reason | t
ably clear from loafn, dirt and other
foreign matter, said reasonable elearness o
etc.. to be determined by the city en- S
sineer and Improvement committee. and $
'lgi1t parts clean broken dust screened
tone or clear washed gravel OF clean G
lust screened Stag. II
II hydraulic cement is used one part s.
en1ef1t, parts sharp sand. reasonably a
lear from loan and dirt and other for G
ign matter, said reasonable c1earness. Il
tey 20 be determined by the city en-
'lneer and Improvement committee, and "
we parts clean broken dust screened d
tone or clean washed gravel or clear b.
lust screened Stag. oi
ne cement and sand to be thoroughly RI
liNed together dry, to which only a sttf- So
eient amount OF water will be added W
2 produce q mortar of proper consist q
nee when thoroughly mixed In to this pt
[esh mortar the stone or gravel or ct
lag, wet, but containing no water in 81
he heap. will be mixed. Each batch of
oncrete to be thoroughly mixed. the in
liking to be continued on the board in
ntil each niece of stone, gravel or Stag &C
completely coated with mortar. # as
III then be snread and at once thor in
ughly eonpaeted by ran1nling until free er
lortar appears on the surface. The lus
hole operatior, of mixing and LAYING nc
leh batch will be performed as expe- m
Itiotsly as possible with the use Of 4
iffioient number of skilled men. sti
SIZE OF STONE. lei
SCI he fragments of crushed or ali
Oxen Stone, gravel or Stag shall meas 1oi
e not less than IL inches on their
.. a -