Butte record. (Bidwell, Butte County, Cal.) 1853-1858, 1855-03-31
SPECIFICATIONS

tfttttte az DS"'O.'f r,
ifornia, for tie BtdJceA bragg CON-
mann
Of ,roh
The bridge may nave span y, wv nun
area ana forty ieet' heaSuie1 - - -. eu'
tne from pier TO pier iAei az :. .1ur
wire cables, two on sue. aoou' ~ 'uohes
apart, on the same plane hach 80 ~ con-
tain three hundred Elses' SIZE n'il.0ei zen
eaeh wire IN SAID cables 10 DC A.S, stretch
3D. tested, and freed IRON klhAs' anu II VI 'he
proper strength, to he theh i"9eu .ee ner
eoAlpacily' giving 10 eAch WIRE III F'.t'.oi' 'le
s'h.e tension Each WIFE, SuH''
nave 9eeh made lhio 'he eaoioa y, - u 1.t
ped seVeral .lnes iuto l1lSee4 IL TN
= sili'" portion u "'Ae, az II, =:
Lach cAole Is 10 raPped sp',4tJ ~" wire
l9 ny Lach eaDie oeiore bei"s p':'O1' " Us
t,s.'ioH' - 10 receive a NJ ii.S ~ '-s
co. eoing "a 5 ~ an,
p-'H'e4 VIA Nv ia. -; - VI
S,'lu c'o'es "Neh plheeu ~ 10 - A~'e
tHe s",ie s'he anu Nei, IN - sedss u
Tbe his ., % aacb sni avs 70 RIM over tow
.rs "a ras-;,,, a 80 ;,.or saddles the sara
90 r.,nn,rr hacl -
- Far an r. tba
- - -. 49, ancboraca ssnh
-. f1t,4 .,aharare ~, -
80 - - - ar5 ,nat;n1.
oonal varsi,,a. NJ anobararos ara 70 he
TyroT,yht iron bars imbadJa5 Securely to the
hest odvantasre in the hal rocL so tbat each
ANCHORAGE viii bear a nressure or pull in the
of tho cables eoual to one hundred
tons, the same to be done in the best and most
The nrbarero ~ eaoii : ~ oe l-s,s"er
kavs in The mos annrorad 1anner bavino n
STRENGTH equal to. rr grester than each csbla
The susnen;sjon claims are 70 ba of pumbar
ton vv;re and ahont tbrsa. f,nrtbs If an inch
in diameter each x;re 70 ha tested and naint.
"a % ia !. t+a cahIos Sai5 49, :,
- r-.t.a1 a,.H.si1- - - n,
=. - - ~. ~, ~ - 80;
~ -, 80, lii tsp ~
bIe sec,roIr tn ssdiIa .nd ,,snand;nr
ote me sauiie aNu suspsuuins
Glaihs on eaen oao.ea.e u oe spa. "itefua'e
y seven Iee'' measuring lro!a tne centre oi
e etC saiuIe through 'ne eh'iie span msNihg
INC io''I, S"5 oS@iele I'M anu nan ige'
apart me saudies On each caoie are 70 De
fastened one 10 Tue olher III suitable manner
by number seven wire tapping Its respective
cable three or more tunes between eash saddle
me chains at the lower ehds are 70 oe austen
ed securely 10 a sufrup that snall clasp lhe
tfi'h'ersai roau- bearers. me stifrups at tue
susPenuins PoiH's 20 &c iiiaae WIN in '.HP %
s,on AZ me ~ poi'a 81 sHsPensloa' 70 receive 'ne
- - ~ 20 ~ ~;
- .+ro.,1. ~ las:+,,I;,,al 80 - -
~ III -, - - e -
y VIZ
0Ui'o' Dr-r,,,,,-,,, 90 D,,
ADU MEN 10 OR fIEhS,
Tbaro = 70 Ia am ~, ooob s;1o or .l,o r;ro~
obo,,+ .yrasl,nndraI o1,l So, go 80 L.
- - - - III -
l '''1',-.'. - ~ ~ -. r"i
o III i'e' ing ven ios'
~ nv 80 ,Ho
P',se ma: n li'''
FL 70 s',1Iorf The tovers f. tbe shali ho
bniit ~ rs. i,slan Ia ,a;sad -
foot ahova tLa -ood .,ya,, Tbasa obn+4,,,Y,ts
shall have . oroove On tbe;r focs toyards e,cb
other. of the nroner dinonsions and onnIirv
for the road way to abut against.
These abntments or piers shall he constructed
If the strongest and host opoli+v of stone
within one.b,5lf mile IF Tie s;ts ofs3;1 RID
The same is to receive a batter on All sides .
The stone is to be laved in hydraulic cement
and prouted The cement to he the hest and
most durable The work to he dressed Rub-
HE Masonry
There eb,,l1 no fo,,r t,yars cast ;ro, or
stone They shan e,ch he confused Of fonr
east iron columns. inclininr inwards NJ the
ron and tbeir basc resting on and fastened 70
.ah,,lar -, st. ~ sne;.;ant 80
s.fenrrb Sa;J rlate tbau he ,r,cboroi 70 49,
M, - ~ 80, Ill e.
i,ni,l ooot tn o,,l 80
- -, - -. "a - - e
fs+ou.d ~ he ~ - - - - 'n'
ba, - .,,;ar. strara,,I, 81 90 ~,
n bava iron braese conneetin,r - Tr;tI tba
towers Each tower 70 he con.7rnctad Vim =
view tn fasten the cas-, iron ssIjIes ovo,. ,rt;.l
each cable is to pass The saddles are 10 he
seated on rollers on the ton of the towers 81
that the cables can Accommodates themselves
The same to he done securely Thov are n he
sivtcen feet bich and hear nre,snIe Of ,,;,n.
~ tons
IF Tho +o,-ars sbo,1d Ia o,-,s.,,,,+.5 viii,
stone. thew are to be sixteen feet higb and
sufficiently strong to bear pressure OF ninety
tons, with proper batter, TO be connected at
the top by cross-bar OF iron or timber, and
braced to the towers. The tops shah receive an
iron plate. made fast and permanent to the
tower, to which shall be fastened the cast iron
saddles made as aforesaid.
The road way IS to be eighteen feet in the
clear, ana the timber used shall be Yellow
Pine, or other timber Of equal strength ana
durability 1t Is to be crowned at the centre
about two feet The road bearers are to be
five by teninches, and not less than TWEEN
~ feet long, excepting every sixth one. which
shall not be less than twenty five and-a-half
feet. The road bearers are fastened to the
suspending chains Up stirrups as heretofore
described AMI shall at least be enc for every
chain, three and-a-haif feet apart The road-
yraV hearers shall he cavarafl dioeeora 11r III