New-York tribune., 1886-02-11
WORK OF THE AQUEDUCT COMMISSION.
TINiBERING THE TUNNELS RooF-sTORINd tx
ul .KIn RnInGE DAM.

TIMBERING THE TUNNELS ROoF-sIoRlNu Ia
pIosIvEs-TuE QUAKER BRIDGE DAM.
The Aqueduct Commissioners yesterday recelVcu
from the Corporation COunsc an opinion rclatve 10
the demand of the Commissioners OF Accounts V!lae ia.
thev be furnished with weekly report Ol Cno
accidents along tine RH Mr. d" te holds that the
AGueduct Commission is not part OF tne cI'y gov
ernment that it derives It's powers iIo'n iIIS rd o.,
other than the charter aud that II Is not coilpoiGt
to furnish the information demanded. on tnIs s
opinion the commission refused to give the lhioi
nation. -, .t oouoduct
some time ago asked that they be allowed 10 HIM
change in the timberng OF the Iool Oh tho Vuhn, M
and that their raCe OF compensation u oo 1rTt the
this account Under the terms OF the cohlIact & Vno
tImbers which support the roof OF the tuhnGl ' b @
placed that square excavation is ui.uG' G fr"o
masonry is then carried up rom tIo us thn roof ~
aj partial arch. by aTched tnuoci ihs in' % fo"mnr
snpported more efectually than by the Lo.'nci t
mode and there Is less excavation reg"iinvu gia" Tho
rock forming the arch being lett III pOsiloMh. on ino
contractors asked that they be allowed lhe @ s,ino
amount as when the rock is removed LOT u SIuiio I
excavation. the excessive cost ol uh2eII@ne uh @ Doims
oncanted az an offset An opinion OF the corpora
tiOn Counsel was read declaring that inc conils- ci
sion could only authorize payment loI I
done and masonry built. Inc ma''cI was ' W
Chief Engineer Church asked that the ray of the
division engineers he lncreaSed n ilo,n F-''oo "
S3 800 a wear. TniS also ~as lald over. =, IL
4 letter read from l.. q. Morris to the Mayor cans
his attention to the recent explosion at snalt NO.
% and says that there is now MAGAZINE ~ shI.
No % and another at the High Bridge Shait' nc
saws that there are probably Others similarly STU
ated along the aqueduct. lie requests the MAYOR
TO take steps to relieve the community from danger
of explosions Mr. Rogers, the sub-contIactpr at
shafts No 22, % and -, was questioned ny ChalI-
man Dowd He said tnat he had tried to get saic
places for the magazines lie had asked Abdr"w IL
Green and Fordham Morris to lease sites Tor lnaHa-
lines where there would be no danger to lie OF
property ana they had refused. 1t was necessary
that explosives should he stored near the work:
ON the recommendation of Chief Engineer
Church William Il. Hunton was temporarily en-
poved as consulting engineer and a $50 to perform
the duties of deputy chief engineer III the absence
of Alphonse Fteley, at salary OF T6,Ooo year. IL
was announced that Consulting Engineer Joseph
Davis had gone to Europe on leave OF absence
Chief Engineer Church, has submitted HIS reasons
for recommending the building OF the quaker
Bridge Dam He summarizes his reasons thus:
Firs-It is the surest ana most expeditions means OF
securing the required storage
SecOnd-Tt gives the puTeSt water
Third-It gives the best control OF storage -
FOrth-Itls the best safeguard atanSt the StOppaHo
of the cy's supply by possible failure OF dams above
to the injury OF C;Oton DAM 49,. ,.,o -,,o. .,o,
Fifth-Wlthout 1t the SUPPLY OF the whole watershed
cannot he secured and the size and cost OF the new
anuedurt will he rendered unwarrantable.
hahants IN the Croton Valley by keeping the bottom o
the reservoir always covered, and prevents iocai
malaral influences.