The sun. [volume] (New York [N.Y.]) 1833-1916, 1876-01-31
OUR RIVER FRONT WALLS.
sOMR EXPERIMENTS MADE ny THE
DOCK DEP1 RTMENT.

u distinguished American engnser has been
furnished to us for publication:
JAN. "a. 1874.
MvDIAasrR-On the eoth inst. the experiment:
tai cassoD ,dt sivned by the advisory somniitteeof
engineers ON the 1T eton en- u'aaso wal ~ the
Dock Department. at the foot OF Can aud King
streets, to demnns'rato on an extensive scale
the working II that sysiem, WIS raised anu
placed on q portion ~ IN old uier to the south
ward OF Canal street. I was not present at ~
resurie elton, out an INTELLIGENT engineer WI"
wa, has gwen me graphic DESCRIPTION "i us
when nrsi saw the experimental block Of
the mould IN VIII en- " formed. anu I" Tue
best ~ IA, rec, lection it, general appearance
" between thu pile butts ON either side con.
siderable purtion of the iOundgtinn stone hid
fallen out and iay sloied ~ non IN ni'I 70
the bottom Of tho tloch. and much ~ u was
coated with an nrliil ,ceuus-app,a iinv -uDstAnrc,
oouve, wing the imprcssion tn9t the enehl 'rom
found It's way down through the uEcr stone.
Immediately on top u tne iilo lutts wac
IN douih from two g four iuches, which Wa
clearly aupa rent On zach si.o Of tue nlocN On
rcafed, "A large piece 81 tno mas, a. "a one
cubic foot ~ volume, bah fnluu odt. Ihs IS
at the pile heads ami the potti'n aruve WIS
ittt otofh lnging. rue nloch rom the uiic eads
~ pir-'nlCi the ape rance uf having he,n
formed In lay cfs or 49, "a, the stnn,, ma, aud
eeuent Alternating. nat tho no Is had hvt
been completed ~ orc thc Wa clsilN d-cetni
bic by second III rS EtraAk 81 sewage Ccsotit,
above the the X IN" sfTtihca'ivn f stone.
sdifl. aud cement ne trlutu. al'nuuGu not 80
clearly market, thr lower potion ~ thv iniSs
ga no a. all smooth up.n the side. hui was
rtn-ollns. and crd'ka were 'si1lr a' th' r'r-
scfa. Nhuo the ftono Wa quite ireo rom &C.
neut fnd clul be r'nuil, cNtactcd tho yer
portion ( The bl' ck Wa .trootn' and 'ne piini-
u the mould boards c9I'l To- srer. hnt u "
sot hard, as the pressure OF the niger weu.d
st,O a. la. fesslDu."
opJECriOSAUIr -twAOf
Tha car son waa MIC 'rtt square. ter feet In
leigh;. ana had The samo later "a tDo u :.
pie b. 'd4 werc then % ''d mi az tle nc
distance apHrt as Wv me foundation ufthcw lie,
lhc front row benz lus fa. tu,f AMI thr0c
te.t "a height, anG the otlel r..W, being two and
ataif f'ci from oentto - c"htr. ari var ny
rom iout ~ four aud half ieet IA heisnt. and
tome - theeo beng or, lmsd hud splii. II order
20 replf'' nt ne aCcnIo.cN 1- po sitie tht exist
che q rllo heada four So D. ,incs of stone were
placed - she depth vi M ftet. aad Inc Gus
son W. ihc1 t.J,a q and -. o.itrd IN the ioun
.out G' NJ = I The p"cn, Mail steam 'ip COM,
Inc NO. ,nibhcad VIZ. NJ pll,i ~ WI II l.
rested 'tt0 cut ~ ~ b lrNsl ~ fuNit' n rect
oolov r".n low ra,,f. 81" position selected
fOi the experiment w ~ the u"uh OF the
Bong alnit rf'ceb fec, ~ Won feet eix ~ rs.
the are, "a. In. d e,p,ri,.us NS icre.. and the
ieL-th 90 main and E'-r sew'r- htiug tiol
iosed ~ '"ro7, n"' ''~,n, rt- All l.. #" .cuu-
sinn- Lave mnwoer - .'i i'nu RE- 20 f,
.inG-. aud tho scesro rrri. Il if.'l ~. rIyor bf
fhi. .wfr s ret'r lS ,.n. '",t n't g. u" sur
sever ir no nv. When w. intima'cd toms
hsi Il va tho intention s. ~. .' 'ho cg.~.ou ~
nj nDi p. "NIr,ss'h NY oh'n'i'' ON. II n nnl
'- ''h, am * ne ie''h11
10, t.D,r lN'r iligbt .. Thoroughly clcAn.' /.
iaIb 800 Nuypn.er le'. 10 rNs "a va ln"t.
au.,!' i'.p We 70 .hi l.''1' mad - tr' liih
& 49,. ..... month at,U' Z, .g'""aS ~ oi SON
roito 3 e'ncr'. ts' Is .''d and four 81
rtsnY ors. N,f,.-.
a l..t.s. q f..s
,cr'','" u $50. water ana Iii ~ ahJ 20 "a .tn'h
wat.r I'D sand w'T' beai~i, f..e hisi "a aoou'
iorri.l ,rr tine tsiapgNl r hg,,c' containing
he ,'e. rcs9 and Jmu''si = within the . ia 80.
rhe ~ iassfscuA,rNd .riar' up;l the iNh ne-
,eu.ho- wacn snUtntr ia'e'. ntainiua about =
,uhs re- o, Tho r,Dp" s 49, c'Een'. :,
IL icgy. VA p,acoA MO- ~ nrs' one.
,pn ~" '"lcwins 81, SIZE ,sst Is, sr. cea'.siins
~ =. ,, t". Or Az ,S, 'is ;" - . NM ne
usiLsJ Ddsturtsd nr'i. ih- 9Th nl January
~" ,r'ia';oua OF m'1''S1 ard G"P"-i,'ne on oil
act to- y h.nds ~e'o eui, !0l,d rud g. At the
.at,a, 81 'he bucket nah Do. ol.r raHs - :
h '.ii. i'a IL I, MP I. \, az w 'fsi lnu, ~
'iC'.ei1 - unusually qu'h- 4n-. Nuiefi' ef
eu.en' 10 "nl.lo mad d." nrler. "hrl ten
diilr.or' h's't.d 10 te.' ,rt"rs'rd r'pYl'.ir
.Cu cq4r.oN 90 b'fC 0eit's. 81. q W. i'nr.o4-
.h' 10 H"mr them "ith'n the .ii,."A, tnI they
wer 80" 90 SO b0 az 'u' win 70 pi"hg&c and
durp'i uNrroca.d. ~ ne - Is, - -"'ut. ai
Of NJ ~ - a. 90 $50 =. uuIt. ~ own Al
rer' - >, p'.'c VI 'he-r d"aiH ""si -. re
pucgts D., ~ ~ {. 1. h-tei h.lps Ila."d %,
~ l1.cA .'4 ~ enc Hay of c,sh' hou.p, ant 81
oi.r .... ICON - c-,Ia, nny', ,es 'l-d' - w.
ccle .ff tfsI cfs'ioDr A. 't io' al i az TIE
p,tu afmn1ionle.i.-. a. '.-i ~ ~. t,,,.
Ont' ~ lra; NJ roo ~. ms. uf son ret,
wh."l sA hc' ~ sIupi"''. ati 81 %. incl .' rise
ni! lno mSro,ne W., .1bi. ,nl ne r.n.,c:'
iion- g. .HiDah abpy' We 9. slal. 'i..,i'.
ycif 81 'p'cl and -. 1st'a',r, '''ent ins ard
tTcpni' = Vut irf'lulat'i b'iu"eN ~" 49, liitra
teii.g L....'s fout 'r to- sn Nlafh. ho Wi-'
viiiti'n pa'- agol;l no 'c' - ~ t., r.nkins
VARIOUS a.fcimsns of hlth nl,s"d VITA ce'lsn'
,nd u'.o rrnfein,n0 Nsrv e'fs.l ;" F+o'o % dlrf'
hnen. r. ~ sps'insn'- hftr ..r'nitllng 81 TIE
Once frT few hons., sofl'D'd asd "iuiuci -
srei.'"s az oAor tht' Me- hs' - 80 gIteed IN
Jivset ,+,ts do
IL add;,on te Abe ,,--it made iy inyse,f fro
queni ex.r,'nai'ons have t"or mhdo ~ m
las ts. 's.~ron was TJis.d, and sGsiu since
whoa ise sun vas va, ~, h'ty have seen iTni
searss tstwcsn tho iayers, I'D aI.., hat III
stnnr4 ,O0li q ally tie pi.h"f nri with the ~
gers, 10. ma,'ix Tor derth II a. lc-s: thre
Inches be,ns quite sott.
IsLbH,TGs VpRHup
In ~. ans,ghtly inare mere " - however
"rs Gee, smin. iehtuss, .g1d mat s.. The .vcr
vhelnnn2 srpport 't.gagStO my frequently 70
iteiatrl : scdt, non that no c0ucr.te aFu,n,
tts ul!2 hcads wonhi pr.ss = s""iy rrVurd thcn
40 ~ it"'c.rhl. "Hp'ptc' r7p-.. AID IN.
famed IT, s.in. 80 a. from fof,ling an, cI,rnen
ri Nf4kUc'e wcGia ~ 0ns - st.. ns'L -f o.,
m 'fi,ito paIfi.,rs uf reiu.nt entering ~, sui,f
and cI.u'sa ana M-.tng 80 ~ ~eir. aiinost
vet,iu ion Of tho ~" Ir1d.. nd 81. .nsula
prog" u' 40 rroatsd uniting uturc elf .cly viii
thc t.'1N"ndin9 'oncfoie, f,f tast 70. ou. thri
would 10" Hlmc pA~4 around v-1fe '.iy moot
pilc
mi. en'hs anhnst having teen referred n
hnLri ruupOscd ui the mos etuIucnt lreiu, 81
In the ccnHiry one ~ 'h"ui leilg lkevl-c ~
uDlveT shg accegied aur Ori'y uu cem-u,.. N,
having ~ far held NY peace except Who
nuNstioLed under 0nth ~ q "rrlmittGo u III
Senate 10 wonh be Giohsato In mo. now 4
express any oplniUD W reference 10 the a.
suit ot his experiment nut nut be permitted
In sef-dciGncs 10 ayBT has during the Who'll
time the w"il ut Canal p'Toet ~ process @
con4trtiJblCn nndsT me, lhte hn3s sower VIZ
sniptlSd by u box a. tho end ~ old Pier ~, arr
about 40 f0sA Ontaidc Of NJ exterior fac0 ~ m
new bIhho9d will and ~ least ~ fect ~ III
southwest OF the wall in oa.iSss Of con structiu
At tha' ttme. And y ~ fnct which must b
well ,gOWn 20 UOmmi' lloner We-tcTvet an
As. ant Engineer Van Karen and H.den
hurst, that the proper manner ~ diyerting TIL
aver, when ~ became DfcC 4-lry 10 extend III
wall - 49, sonthwapd, wac mattsFto mo Q
great anr'ety and frequent DISCUS sion, and II /
s,AreN necessary therefore kJr mo TO asscr
tnal r'Vrr would have permitted the d!'charg
~ lts l""eTinR cOnteub kitO su almost LAID
lockeh besin, NheEo they might inluT.Ousl
snec' 10y chemical ac'rD, tho green beton wa
a. the sake khle that thev ear led danfh an