New-York tribune., 1886-08-04
HOW WIRES MUST BE BUKlED.
REPORTS TO THE SUBWAY COMMISSION.


TO FOLLOw-IIiE CONDUIT
The engineers of the Electrical Subway Com
mission submitted their plans for wing The un ier-
ground cOuddlts 10 the commissioners YESTERDAY.
The plans considered by the tommlsSoners,
slightly altered III few details. and VIII III az
probability he adopted bv the Board to-day. Al
three members OF the Commission were prescnt BE-
fore listening 10 the eneIncers report MI Flower
read letters i'll regard 10 the proposed
work. One from the fcnnoc& Underg3nhd
Copdmt and Surface Telegraph Company asklhe
permission TO ay t. wires in subwavs of It's own
between the Commissions conduits and the paving
stones of the street. THIS letter stated that the
company only wanted 10 do this IN Twenty-'hrd-
st. and would do the work at ITS own cXpehsc.
but the request denied Another letter 'roh
the same company stated hat the present law re-
garGlng under round wires gave the rlen. 10 uso
Its own subway system and II the to,i''isff hsfnra
denied this it would lay the matter oeloiSS S
Attorney General OBnen. his was na"nce gen.
resentative of IN electric lighting
company, not yet incorporated, asked perhhlssoi
to put up wires along lhlrdave IN iiarlen, wheie @
he said the people were ANXIOUS 10 set eio0''o
hgghIs INV moro ,oIcs - said Com
missioner Moss. 81 certainly sbal oDec'' NO nio'o
poles under any circumstances. .h, h ,ro,os.d
10 use The poles aTeaCy standing ana Ie houses IN
the streets and that he only Wahtcu .lis u.i ''o ne
snbways were ready. With tins understanding he
obtained PERMISSION. . 49,, a..
meeting: SO his asspclate Mr.. kearney. read the
report. Ii is a voiunnnous one The general speci-
fcations cover sixteen pages of legal cap FIRST IS
general description of the work. of which the fol-
iosIng is the substance: The conduts will be
constructed of asphaltic. bltumlnous or
contain,ng coniItIr serie, Of holes or ducts
two and half rcheS in diameter. varying in num-
Der according to the requirements of the different
locaniIes, for the accomn"t alton of electric con
ductors The conduit Will rest on a continuous
foundation or base of Portland ccmen concrete,
moi less than six inches in thickness. AT street
crossings and at intersections OF line OF conuuitS
man- holes or working vaults viii hc built To uio-
vide for the introduction of conductors 'nfo the
conduit and also 10 give access to the conductors
wacu III place. liouse dis rbutlon of concuciOIs
Will hc made from these III 'n-holes by means oi
small lateral con luIt> or branches he strength OF
the MAJ crial mus toe sufficient To sustain crush
Inc les OF 4 OGO pounds to the square inch
and have tensile STRENGTH OF at least oUp
pounds to the square inch IL mSl
moi crack whe' subjected 10 q temperature oi lO0
be ow zero nur lose shape at 2OO0 nor soften bcio"
100. and be ca abe of resisting The action OF or
gauic acl Is Illuminating gas aud salt water. II
tne ma>tIc must be passed upon by the CoMmiS-
SONS chemist before beng used. NT. hea'hel
suggested that the cpnLuts should he lald so tnat
tie tips OF them wo"ld be hve ieet ow tue
grade # hc street. lhlS, he though. would put
them below tie GaSppcs and water mains. me
Commissioners did 10, seem 10 favor tn ana Il
was thought best to have the SubwayS Land as the
Commission should direct. lhc trenches are
tn the Oy work S"S shall ,ntSrfere with street rect
Oi trench slail be opened AT any time IN advance Oi
the comp ete CONSTRUCTION of the conduit Gu the
complexion of each ION of 200 feet OF c0ndul'
the rcnading aud repavlng over II Shali De done
AM all surplus earth aud rubDsh immediately le-
moved The contractor shall provide for the HOW
OF all sewers, drains and water cou scs interrupted
Curlnc fhe progress OF the work aud shall res ore
I'd make good all cnnneC IONS and snail lnnedl-
oteIv cart uway and remove ali offensive matter in
such manner and with such precautlon as may be
directed bY the engineer.
The rehllmg III all cases shall be of good loan
sand gravel tree from all stones over f"ur
inches III diameter. Inns Is 10 oe pache.
and rammed under and around the conduit
" hen sectional condults are u.ed the ends must
make alr-tght joints, and each line between me
joints must he alr-ught these VIII be ested Dr-
tween the manhoies with an air pump and suitable
electrical appliances before retlhng the tIeuch.
Wherever ashpaG condults are land the s'deN shaIi
be covered with five inches of hydraulic cement
concrete 10 protect them from heat aud damage:
None but the best bricks and mortar are TO be used
in the mason work. lhe mortar i 10 be mixed Ill
no greater quantity than Is required at tne uine'
All lett over at night is TO be thrown away.
Mauholes shall be built at such points as the
Commission may designate and shall be carried up
wi hin twelve lucnes OF the grade ol the street
l he contractor will sustain III their places With
out injury by tlmbers aud sufficient chains an the
water and gas pipes which may be affected IN any
manner by the work done. and protect all service
pipes from freezing tie Will also In every respect
conform 10 the provisions OF The ordinances relative
to the construction Oi sewers and sreetwhcre wafer
ppes are lald. he contractor shall also give notice
III writing at least twenty-iOuT hours before break
ing ground for the purpose Of constructing the Work
to such gas companies as have any pipes when may
be affected by such excavations.
1t nearly u O'Clock when the reading OF TINS
eyorl finished and at the S ggestlon or Mr..
Flower 1t decided to postpone huaI actlOn on IL
until io-ay. Professor LedOuX, the chemist oi the
Commission, then read his report. IL has already
beeu printed and the main points OF II gwen IN that
of the engineer. Before Adjournment Mr.. Glboens,
the cOuD el OF the Commission, submitted the hIst
particular specifications Tor the work wnlch Will
be gIveu to ihe Consolidated subway Company to-
day Tomorrow. these read as follows:
Tue contracting COMPANY IS Authorized ahd uirecteu
O within weeks from the date or these
specifications the construction OF subway at Twenty
aud sxtn-avr the eastery side OF sad ave.
nue. frou the curb, and north aong the me OF
the to Fifty nlnth-si, ana prosecute the worK
WITH due diligence; said cors ruction company 10 con-
form foregoing general spccincatlons as 10 the
excavation tue trench and renling the same ana
tests to made after the conduit constructed the
Joints OF the conduit, man
holes and distributing cOnduits
conduit snail be rectangular and shall
consist sections aiming twelve holes or ducts,
each o! two aud half inches diameter iaid side by
side ON foundation. breaking joints 50 as TO
the collar OF each near tue ceutcr OF the po
alongsi.e It, The competition OF the conduit shall
satisfactory the chemist and snail be tested ana
made coniorinabe with requirements OF the report ot
Commission adopted Juno 80. 1856. aud to the general
specific atoms
Tue contractors are c.ed upon to furnish to the
Commission soon possible plans and prOhes win
detailed Information OF the route above designated Tor
the construction OF the conduit showing the oDstruc.
OF and avenue AMI to furnish and HE
with the Com,ni-soner Of Public WorAs of New-YOrg
CIty duplicate Of the above described maps within