The daily morning Astorian. [volume] (Astoria, Oregon) 1883-1899, 1899-07-25
BBrrER STREETS
CONTINUED from Page one.l

n alnetnance and repairs require thai The
uattgaal at The sunaee shall BE- durabe
Road surfaces of broken Hone Or gravel
produce less noise and give more secure
fo8iug for horses thLn blocks of atone
Or WOOD or VI p.ankiug OF 0, a co-2nu-
Gus surface OF asphalt q other material.
and are ahcrcsDrc nlOro adapted 10 our
city. but they require constant supervi-
son 70 arres! the formation of RUS. ard
also require constant cleaning and
sprlnkllng 20 keep the dus. and mud from
accumuiating.
Anong the suitable foundations for Il
nayem.ni. provided the thickness be
adapted 20 tho character Of he subsal
ana tho nature Of the traffs are the TO-.
lDwpng:
a. Hydraulic concrete SO, TO eight
inshos IN thickncsS
a. Rubbsa stones 80 on edge, bu, not
In oontaci. N1Jh she interslees nlled with
concretr.
az RuBb.e sBono set IN contact, on
edge.
a. Cobblo ssones armly se, IN a
form Of rand or gravel.
o. smah rubble stones OF random
azss. IN a compact layer
CG) A layer Of broken stone laid "a the
manner of a ma adam road.
Iamos opin.5n that there are two styles
Of sErtst crowlngs suitable tor this dty.
which are the leas, costly and best Fultsd
tor our heavy grades and Agh, traffic,
they aro substantially as follow: Mac
adam streets and maCadamlzed s-esns
NtAi g.unda.i.ns Of rubble stone and cor-
crete.
MEcsidam streets are coastrul. od with
successive layers Of broken stone. 10 a
depth Of from to 10 Inches In thickness,
appBcd stcr tlia sub grade has been
excava,od or fixed and proDer'y rolled In
confrmtty w1fh the nnlsaled grade Il
the street. layer OF broken stone OF
from thNe TO four inches should be ap-
piled. the sane well ro1ed or left open
90 trafiio f0T some period sufiiGeutly long
TO compact tho same 80 on. layer upon
aver. ti.l the required ihickn,ss Is pro-
cured The stone used should be broken
Into fragments as nearly cub.cal IN FORM
as pofss.ble. slic largest OF which should
no, exceed ~ Inches IN longes, dag
onal dimensions In our city. where the
st5ne used would b. basa,tc, the stones
rlay be broken smaller without danger
" aheir crushing too easily or wearing
aoo rapidly. The smaller ihe fragments.
lhe less Wiz be rhc volume OF voids in
The road covering nah,e 10 become filled
Vim water and ruis aud the surface Wi
bco,me hard and smoo.h when open 10
.afiic. or w.Isie bciag compac,ed with
rLlera
MacadamlEed streets. with founda.ion
Of ribble stone and concrete. as the sub
aoil hero Is often OF a very wet and e.assic
nature, sut-soundatim is sometiues
aecmsd necessary 10 carry the macadam.
A romelN for this evil is found in che
iudcons use OF hyrauhc conCrese be-
.weon stones. The stones should approach
he form o. cubicA and rectangular
blocks. laid down side by side. but no, In |
,loSa contact. each stone being firmly |
vet TO It's place by ramming, concr.ee |
should be well tamped between and |
lnpand the stCa@s and carried up 20 the |
gonerai nne 4 their top surface, the re-
ilaSn thlnksesS u the covering may be |
,bn.atd as by macadamzlng. A fourda-
Lon of THIS KIND Is believed to be as firm
mi 0lreh'e AZ one OF the same thickness
tOr'rAly Of concrete, while It
'oStS nSsdarably less II IS Of capital
mpNLan e In aJfonndation a OF th's de-
ior.ptSo7, THAI the stones should be y.
,uSh shapes thar when sex IN place their
.,de SURFACES win be near.y vertical. or
a Scr ,pcadlcu,ar to the road surface,
0 thAs ne ooncra;e. viii haSd them firm-
y together, and prevent any upward or
owuNa a NOV, cne0t especially the la.
cr
A am grVasly interested in this
n5vems 4 10 batter the conditions OF our
treets, trust that have not creSpasSed
o. much upon your valuable space.
thoroughly believe that the improving OF
ur sareJas and the building of tho same
pom butter and more permanent plane
vet In the end prove much cheaper than
lw present mode and tend towards the
r,sitd,ng OF our town
ALFRED 5, TEE,
County Surveyor OF Clatsop County.