The Cairo bulletin., 1906-04-16

be five ca inches In depth and shall
: be laid on eight 60 inches of cleal
cinders thoroughly moistened an,
tamped 10 conform 10 The outline o
The form for the combined curb an,
gutter The second course shall b,
the finishing or wearing course ol
surface ana the same shah be one On
inch IN depth
The bottom course shall be com
posed of one (1) part of Portland
cement, two % parts of clean sand
and five (5l parts of broken line
stone Ct sizes that viii pass through a
! ring of threequartera "a OF an inch
internal diameter. which shall be en-
rely free from dirt or dust The
sand and cement used in constructing
this bottom course shall first he thor
oughy mixed dry. sufficient clean
water shall then be added slowly by
sprinkling and the broken stone shan
hen be added and the whole con.
stantly stirred until thoroughly mixed,
This mass shall be spread III forms
upon the cinier foundation and shall
be rammed until all fnterstices are
thoroughly f with the mortar, par
ticalar care x taken thar this DO.
tom course is well rammed and consoli
dated along the outer edges
After this bottom course Is com.
pleted, and before # has had time 10
begin to set he finishing or wearing
course shall be added rho finishing
course shall consist Of a stiff mortar
composed OF one 81 part Of Portland
cement and one and one-half Ul2)
parts of clean, sharp. course sand and
snail be- laid 70 the depth of one IN
inch and shall be carefully smoothel
70 an even surface which. after the
first setting takes place. must not be
disturbed by additional rubbing
The curb and gutter shall be pro
Iected from he sun and wind for
fwanty-fcur (24l hours AFTER the com
pletiou, during which time il shah he
SEPT moist by sprinkline
The tops or upper edges Of the said
,urbing "a hota sides OF said pave
nent or street shall be, when finish /,
ID complete, throughout It's entire I.
ength from said west line Of Washing !
on avonue 10 AID west boundary line
II said Block numbered Sixteen UGl /
II the Fourth Addition 10 said City
II Cairo. Illinois. three inches below
he grade hereinafter specified for
he center line of the said brick pave
nent when the same has been com
,ieted
Section \ Upon this sub grade and
inn earth surface 50 prepared and
haped as afore aid, shall be laid or
pread foundation Of Portland CO.
lent coacrete. Of the uniform thick
ess OF five 60 inches, composed Of
he Cd part OF Portland cement. two
- parts Of clean, sharp sand and
iX Co parts of hard limestone broken
+ crushed into sizes which will pass
through a ring of two 20 inches in
ide diameter II shall be free from
lud dirt, dust aud loan and be screen.
4 when necessary The sand and CO Ii
tent shall be thoroughly mixed dry I
nd hen be made into mortar OF the /
roper consistency and thoroughly
orked over vita hoes. The broken I
one, thoroughly drenched with water {
ID containing no loose water in he | I
zap. shall then be added 10 the NOR "
r in The proper proportions. The con t
etc shall then be turned and mixed r
ltil each piece of stone is thoroughly In
,vered with mortar The concrete | {
rs prepared hall be Immediately | q
aced in the work, and be spread and s
oroughly cOmpacted by ramming I'M u
free mortar appears on he surface o
he whole operation of mixing and n
y.nl eac batch OF concrete shall be L
me as eXpediiiously as possible
lth a sufficient number of skilled II
en, and must be entirely completed 81
fore The cement has begun 10 SCI. IA
, re-tempering CT concrete shall he Il
rmi.ed. and any concrete in which b.
e cement has begun 10 ser shall be Of
iec ed. s.,
Section .. pom the foundation al
ns prepared. as above required. shall OF
pread a layer of clean sand u Isl
e. uniform thickness OF two l2b in G.
es and upon this sand. as a cusn- 81
4, shall be laid the 5s,iag bricks fo
ey must be closely and evenly laid ~
true straight lines al right angles Ia
The curbing and all joints must IN
broken at least three go inches fiji
hole bricks only shall be- used OK
)t in starring and finishing courses la
the curb or al catch basins. man f5
les. etc, in which case nothing but be-
II bricks shall be- used aud In 20
'ak.ns bricks for this purpose the ly
mis- mus bee cut straight and square bo
h the tops and sides. said bricks rii
M be- laid upon their edges and 10
Nd be- one course deep. al
NJ the work throughout must be fo
De- by skilled men and with the AID by
proper tools. m,
When the bricks have been laid. the cit
face shall he made smooth by roll. o..
with a roller weighing NOT less Or
u three 80 tons nor more than 81.
CO. tons or whore rolling is I'm pr
then by tampinc with "a 90,
etv tgNt pouude tanner uuon "a rv,