The New York herald., 1860-09-12

that the public interests might not be pejuiiced and
rady and willing at any time 70 answer for aay action OF
his his connection with the department Very re-
speetfuiy, THoS D. IArrAN,
Assistant Commissioner Groom Aqueduct Board
SEITSsBsR 10, 1880.
After the reading OF the above the committee informed
M Craven bs, they were prepared to hear what he
might have TO say whereupcn that gentleman arose and
read very voluminous reply, from which We append
OF the most pointed portions Thoy the follow.
ing
GonyErS-A message was transmitted TO the Board
Of Aldermen BY the Mayor on tho llth instant which
he says
,d In Of serious sra nbordna
gnee OF ne Cron Aqueduct Board and Thomas rsppAn
In the use Of this language the Mayor appeared 10 for
get that oy the charter he had power 70
ocer without the express OF the Bard Of Alder
men, nor without cause. The message proposed 70 re
move without the Of your Board ana without
statement Of facts enabling your ID 70 determine
whether the "serous and insubordina
existed IN fact or whether existing they constituted
causes for removal.
proceed 10 the nrst subdivision Of the Mayors gene.
raj charge in regard TO the reservoir
Frst 1h. the excavation has from $4,000
70 N,uo cubic yards. ,r seven per cent
90 The earn within De as. a.er,o, ;oDs.
% Ie he w &c s dsps a
msy be required BY the engineer 70 obtain matens for the
q both bsans Be worried 70 ie aus dsh and o such
s IN de ur " M Ss
te TO below the bottom Of the ressr
rails for ehankment puddle ibs encavaied
shall be filed up with such waste materials a. the engineer
may direct
In the foregoing extract from tho specifications IL s
shown that fully authorized by the contract TO
order increase In the excavation, should II become
for the purpose Of obtaining als for
baDkmen The necessity did arise and the excavation
WAS materially incl essed thereby The pecuniary adj
/uof tha hu
order 70 obtain the required quantity of material from
within the limits Of the reservoir win at once be per-
ceived by refer ing to the contract.
Wien any assures, soft rock found within
the basin of the reservoir under the banks thereof
the rock % be excavated to such extent as the eng
neer may direct and the space Oiled with pua
Ole esrtn or sand hs may be required by the engineer
will be apparent from the above that not only
our Board authorized carry these portions OF the
contrac, providing for this method OF prosecuting the
excavation, but tha, my duty engineer lef
alternative but avail myself provisions made IN
the contract for this express purpose.
let us now proceed 10 the consideration Of the second
specification Of the Mayors charge under the head Of
the reservoir
ID That the puddle has been increased by of
twery ye or hy Thousand cubic yards or hryseven
CAUSE oy INCREASE IN PUDDLE
lst The porousLess and frabty Of the subterranean
rock encountered IN The puddle trenches which - hAve
above shown caused increase in the excavation
produced necessarily corresponding increase ia the
puddle In many the assures ana holes in tho
rendered II utterly unit for the bed base Of puddle
trentb and The contractors required in such
10 continue their excavation until they OF
solid rock which suitable this purpose This of
course produced DO increase OF vRion AMI OF
puddle. The deeper the excavation for the puddle
trench the greater the OF puddle required ~ oil
% In sounding the group1 for of quantities
with the iron roos used for such purposes engineer is
the gro md from the fs OF the happening strike
upon boulder point Of rock which appears to be the
NAN leoee. IDS occurred in our examinations Upon
'avaiipg was found IN many instances that where
solid rock presumed 10 exist the engineers sounding
rod had been stopped by boulder or By upward pro-
ecrg point of rock and that the main ledge be-
low the level Indicated by the rod.
In such instancee obliged TO 10 feet
deeper reah the main ledge Of rock Under southern
bank compelled by the character OF tine rock,
after reaching the ledge, 10 excavate through twenty
feet further u get dc wn 70 bel which proper for the
rock land the consequent e pufde) ~ing 10
these under The bank throu the swsmo
wss exceedingly great the cha OF the earth
requiring its entire removal for width equal To half the
" idh OF the base of the euabsnknen. This excavation
extended doAn u the rock aud the space uet up
with pocdea proper and us,iaable arrangement Of
teriAs.
prHxAsz IN KxBaSxxxSr
The third Subdivision of the Mayors nrst charge Isl
That the by An amount Of
2le 10 cubic yarua, or one thlrd esA
The rcAsons ter this decrease thep-
Prom the apparent rature Of the around II In
many places uncertain bow fn we should have to be-
o~ the natural surface 10 find good for the bed Of
al smoankmsnt argr ao ~sbcc made Tor this, and
provision sde Ia tho rpscincaois for decrease should
Il be found sdvissbe. As work developed
und that q certain parts Of the should bs
OBJ gsd such depth for proper bed aat.c.
p~ted aId Tor which depth we very properly had maize
estG ate. Les onbankmept therefore necessary
but for the same reason less excavation reqais-d
orsi, the excavation required Gown 20 he proper
bed for the cmbansmtu; and, second. the excavation
n,cesssry TO Obtain materials v lke the enbsnkm-ut
had II (the crhaI y not bch a - drcrcU.d A.
81 escaysed earth ~ilt yard oi conpa
"a CmbaDkment The isvng % decFeas ~ esc.vstpa by
TINS dsvcop uent a. note han tSoold tho snouat 90
decrease ~ tie sup.rkmert Thus, i.fgr amount
"a reality ssv'd " the csty ard tie pr for
ton "a Ibc ctifat ~ss remruerative ope (~uich. not
whsiannins tlr assumption ~ the Mayor, Ives ~
pearl he ctNsk Yen.ent socslies charge great
~ ssanst tle nierstts OF the cunu .ctor
AZ, Their fr decrease tie embsnkrnent
yet g. be ouIc. and u u u@-A rusa, can.em
plated ~ tbs nssi rAfx Commit ssiuec-, she
tesCrNv-, snseHs ~ n against m. oatet spcs %
read sssaa =" covering thee sos~s fiom top hase
With io.t1 selec,sd soi for turf pra ssii
sloTes ntc anYount OF tns coil cfisuay Included
In the comperHuse estimate as ssmbankmsa
s1oSH PAVING sNp PAVING -
1fc fouith ard nith subdiylsioas q tc Synrs nrsi
chafFs arr - follows
rour,h-Ihsi .'oce pavss been decreased W an
am On. q ses euiac sarrs os zh ony cf The original
smh-1hsi The psvns cvm.ni Aeen er-ssed sy an
snouui oi y So CUBIC ysrcs than tunes
II vfn be sccu By rel rice TO section nineteen of
TIE ncatous a the contrhct thstu provided that
Ire op~~ Of all III. hanks win be with eight
rlss hi. Mi ~ nia ,he psvns ss ,~n ,aeSs. ~ ,hiss
n.s. ~ sins cour.~ Of ,.ss o. tho -dse s rshi
ibs y be lad n such ms, errcte bJ
engineer me tsse OF N. paving end 70 The
sach depth ~ the ensns direct the stones he sound
sad q proper sasre 70 make nrsi and oompse, work
TIE quantity u stone paving been increased
or diminished IL simply laid ~ 10 cement instead of
ben aid dry.
Having bcosue sa,lsaed tAn u would be utterly i'm.
pofsihc, within any reasonable expenditure construct
suitable cry vail GOT the found ~ithin the liocs
81 the reservoir and the oortrn prov1ng that the
tractors should receive less paving cement
with tbe stone found within the nee than Tor building
dry val out q t'one procured BY them elsewhere. At
meeting cf the Csotnn Aq0efuct Board he'd the 2oh
Of May 1850 At which my thea kes~rs hyn
dert Van Shaick and theodore n nc Forrest, were
prrssnt introduced the foo~ins preamble and rcsou
tcn, Which we're then unanimously adoptsts-
wh-r~~s found or enrfneer1 that ne
~thin the of the furnish
ssrne of suacierty qusi " msks s<Abe fscirr for
the inieror slopes lad dry but that the
m.he fcod ,kpe wsI ssd IN hydr~nlc tse-~for~
Resolved Thai he sa val he lad In cement 70 such
the II lhe mshe sfv-.hs .urh
change and sutA character % e ~osh esax pou ed f
The co.srNct
II " proper 10 state In this ccnbcction that wall q
stoue laid Ia h. irsoc mortar, In the shich
Il