The sun., 1892-10-30

comment. 1t is more than probable that tho
So YssE M to re-
slabs OF nH,nrnI stone that are placed in lTont
| Of some of tho finest mansions nf our in'ilin,h.
aires cost much more money. but they make
q, better sidewalks than properly laid ar'i'
It is in regard to the pavement rroper oi tho
street its6lf that thcre is the greatest uiv.rs
dHit dtcuty il dcseriSinr tho ideal corrcctly and
minutely. 1tshould, OF course. be ms smontn
as rossib,e Without VI" neng Iinnsry snd "shGu shnm
he strong enough to withstand the pressure
Of any weights II shall tie called nncn m t" snE
| able as possible aud as nearly noiseiess us
possible
| What form OF construction fulhls these re-, W
amply, isuffcsnt for street where ,hsrn
answer Tor ono OF the main avenues set aslue
for tn. heaviest. The difference between the
new Broadway pavement and that Oh say Lex
For such. streets a. Broadway. where the
volume and weight of trall!c arc already h very
and for tho main avenues and some OF tho
| cross streets. where loads OF several Tons arg
that granite is tho only rracticahle surface ,r
No other material comes as near hllinG III .,e
requirements Of u street already ,"rs Snsri',n: nr
oo'hcr. but none has been found ihat VIII
stand the snIne. amount Of weight aud ni wear.
Accordingly in such streets the new pave
mcnts lately laid hnvc been OF granite. and the
eonstructi2n has lcen Of the most anprn,,ySh ,,',"
ably equal to any in the world at present md
| If my better can ho constructed, Inc iashioh
nav Ge is ys1 very "S
tho best opinions that have yet been cXnr"ss..
that is known. was first laid and allowed TO
set This foundation is of n, ninimlim thick
rcctly on the solid earth beneath. ii forms an
arch solid and strong enough to support my my
weight the hn s,rr. sy this SH
laid granite blocks from 8 to II inches
in length. from -; to A., inches in width. AMI
| from TO = inches in depth. IL ms been
Size Of these !,locks would give slightly bet.
ter pavement. but the difference would be
hardly moro thnn shade. for rs it is the
stones have equal bearings and equal SUPPORT.
and they are SO laid as to present an even sur.
| face. Moreover, TO get stones OF uniform siTe
would bo to incur Il very considerable ndni-
| tional expense without securin. anytain: like
commensurate advantage" even II any au-
! vantage Whatever We're secured.
| As "a matter Of course. the blocks are not laid
ing smooth as, It DOES, in comparatively
short tine would afford poor fo9tFhhod thox ,rr
laid close together. however. and the neces;;
sary intersticcs or cracks are illled with gravel
%1d 'fbent bn which are poured c IN
ment. but is mad. " the res;duum obtained by
the direct distiatioa of coal tar
| such pavement presents the necessary
| smoothness. oreycnuess rather. the necessary
rouEiiness. strength, and DURABILITY OF the
il is noisy. and it IS IS entirely nracicaG!e TO
| cover 1t with plating Of asphalt which will
oDviatP this imnerieGtion. lhls asphalt COY r
Guen!ly in places wner" the traffic is heaviest;
and the cost and ineonvenience Of this would 70
be creator than New Workers. are now willing
to incur FOR this single advantage;
ln other streets. where the traffic is 81. not SUI
ordinary strength OF this form Of CONSTRUCTION.
and where the asphalt covering is not sub
lecteI tY such wear rs TO require frequent re. re-
newa. the granite blocks are not used, nut the
asphalt is laid directly on The foundation In
such streets the pavement may fairly be cnllcd
ideal today. for the asphalt presents all the
The question Of the. foundation is one that
In many places there was. helure the new con-
struc'ion Vas h hhtgpG an excellent -nn. paye,nsnt
ment, with Il good foundation. but because OF
imrerfections in the original method OF laying
it: the granite blocks had heen w21n INTO un'
ally from the curious shape Of the blocks for
mery used. They were narrower at the bot
it is dicuit It'll to see see on what principle such
| shape was selected but the inevitable result
wa, that they j9stled one Another ont OF place
e,enness followed. Evidently. such = pave
ment where Il WIS not really broken through:
| asphalt covering. and wlen it was found t. he
| in sufficiently good repair 1t was utilized rs
such foundation. thus saving great exEense.
In other places. where there was not sunl-
cently goo pavement already in cyi-tenc" to
serve ns foundation for he now. the old was
removed en,irey ana 4 iounln,ion Of stone
Broadway pavement. was laid Trinidad as phait
nI n"cs sc nn 4Sn qS TH?s %s.a IN d To- ns
!hsSness so Of two and Two and md i; haf inc in he's. e
When tho old pavcm"nts were utilized as
foundations 1t wac; Of course. necessary to fill
in the hollows made by former wear and SO
procure smooth surface Tor the asphalt GOV.
erinE This vas aomG b; mramI # lHySr rnr q;
a mixture OF ho, conl-tar resi'iuum and inely
broken stone. After being spread on. tan'pcd
int" int, tL" rraeks rolled oyer o wth h hGaYy %
was put on. Old macadam pavemcnts. in some
places. were utilize! in the same way and
was put in place. Tn" result in all thes. cases
was practically the same and New York has
pavomant % % Than ?tS my % ",I%r @ ~ in % the World % sS
ceptlng few Of the capitals. It is n question
OF only low years when 1t Will be the best
paved city in the world.
CITY CLEANING.
With ideal streets will inevitably come a
great simpfcaton OF somc OF the most seri-
ous questions Of munirinnl life. for with
vii! h" n" serious officially in the way Of clean
iinc-s, and % 10 sfHcn-e for mn. With the r..
death re,e. ar,I algi"si a certainty Of freedom
IRON eriden"s. There il snocomrIain, today
asf -s in nG I"y and s sr %n viii 'Gs BE- n"n nw
while these rnrrmchis. are kcrt in repair.
Moreover. the expense of krrIing hose streets
clean Is vastly less thau in ncI.hbJrhooIS
wh"r" the pavement IS Old ana 'rukcA. such
Il nrop"-ition Is too ohyiou. % need comment.
The street cons ruction. it is clear vii Of it
sell provide Tor the draining ~ from tn" sur
face !" tho sewers Of all luu,,i Nlih. and Of all
rn!nihi! ana tho ininiai! will aid in tn" ro-
inoNa OF tn. dus. whirh is an inevitable con
sequence uf III" a'trlti,n "t commerce. Tho
street ,on7,Tuc,inn j. therefore the mnst i'm.
Iortnnt "t The primary st"ns toward j. City
Ideal. ana New York may well be proud OF its
progress IN this direction.
Obviously the sewer system is tho next in
ordcr oi "nnsdcrati m. In this 10 .r"ct II
would hohnrdt t"sce how tn" facilities tor per
irct scivice could hc improved in hew York.
high surface and swift running tides nf SAT-
water nil all sides make the opportunity Tor
ideal service. aud with the general plan nf the
sewers now existent there j. net hing in til"
way ~ perfect sewerage. II IL another respect
IN which noihih. NOR" than til" natural I'M
IroVcnentS THAI Inny become necessary from
limo To time. aud which can easily b" made.
nrO needed to make New York tn" ideal city.
Tho present system j. untir"ly satisfactory.
ana III" nnreSsnry improvements arc nero
matters of detail.
l'ut sewerage is not all that is necessary to
Keen aritv"lenn. The accommodations" Of street
dirt Will rpItnlu!y grow las, lTBlurt civ.