Mountain Democrat. [volume] (Placerville, El Dorado Co., Cal.) 1854-1860, 1858-07-24
Specifications,

So ii a'ions for tie construction o: the Bran N,g"t
Road from station L. ahw chains West o'tl T. "t reel
Mail, 10 stat 0u 1896 at It's nj tGi
and Carson Valley Read atol Eve miles wet q :! lcT.
Ford.
WrTu Tic widrh Of .ad rnaI Ia, be tu.lvc r,t.A.
clH' >r "f in;;,r "n H. 'l' ih,r s'r, except r l.
Ct" marrow FIl hes. which Ia;.. IN. " dth
shall not lie Irss than sixteen lee" Al lcI>t .!. o.:
the road shall he III a"n when the Ear slope 81
the ground 'l"rS not 'X,r-d twenty flour degree. but
Wien over that arnit two third, sia be in excavation
SrETuE Al stone. rorA, roots. tu.l. ?. brush ard
other "Lstrdctuns, shah b" renewed ard tl road bid
made an 9th and SOLID. An INCLINATION 81 hail inch t.
the foot shall he given the road be- M inn,
bank for the purpose Of frcri II from gut,ci
not less than six inches III dp;h shall los tie ntr
side except IN solid rock and nad"t 10 with the
drain, AID cnl'tris hereafter SPECIFIED.
Si"Pts The slopes fr all the nhauhn, ~ earth
shall not he les than ono aud "n'!AIf h"rzpn, To on
In altitude. Excavation IN granite other s,d rock
shall not he less than one quarter horizontal I" al.
ttudc-n >On at" r., L, and hard pan. half
tai Ia one IN atiudrin sand two h"rlEurtnl to al
tituc-and III earth FROM one and Iuat,r and
Onc.half horizontal To on in altitude H. p,in. upon IL"
quantity ." tA'aNati"n but Ia all wlcre the niGrl
sl"" IT the ground exceeds tw"nt! fuur d"gics the
cavat,d ul hall not be less than on AID uir half Eoti.
Eonnl To ia altitude All wall, snail have a
slope Of not less than one half horizontal one IA alt.
tule.
MATERIALS No brush or drcaycI wood shall he used in
the construction Of the road aud all brush leaves caye
vegetable matter, other substitutes Of uuitk decay
be removed from where " embellishments /" IL. placed
but solid timber Of not lrs' diameter than sixteen inches
may BE- used for supporting the lnWcr bank.
GHCBnING CIGARiNG All tree that stand directly In
the line Of the road shall be- aud the stu.ls cut
cd at least one tnut beneath til. surface Of the road
but In al cases WHERE such tree az trees hall an idle
the centre line the road shall be cxcavatcd tie REQUIRED
width inside and the tree lett ug for the support nf
the road always providing TINT such excavation he
made Ia earth Lenhing nEd decay. I'd trees
vicinity OF the line, aud liable Ia fall upon shall be
moved
BRiDGEsA bridges shall not he less than twelve f ct
wide between the fender logs aud shall be constructed
cUrng TO the plans nrrnnpayiI these spccif at ls ms
follows, Viz Spans not Exceeding thirty feet shall consist
Of four Sringcrs, resting upon sill each end The d
ensOns O the stills shall not b." less than ten Ly fourteen
each, and hheen feet long, VIII ch shall he suldy placed
upon substantial dbutmcntS either timber or stone The
bearings Of the strnvrrs shall not be les, than e, nv
fourteen inches and laid intervals Of four feet from CEN
tres One side Of the sringcrs shall be ilaeued not less
than twelve inches to receive the flooring The our may
be either OF plank, not less than eight inches wide and
three inches thick, oipos ght inches In diane
ter and spotted where they rest the strlngers. In
smaller spans the dimensions Of the timber may be- pro-
ortonaie to the length and to be determined by the In
gineer or Commissioners.
Where the spans exceed thirty feet in length treses
shall be used for the support Of the srngers and placed a
intervals not exceeding twenty feet apart Each tr.s,e
ehal conss Of one mudsl not less than twelve BY een
Inches ai htcen feet long attened oil opposite sides two
posts fourteen inches square, fifteen feet long and two
braces OF Dimensions not less than five by seven inches
On each side Of all bridges there shall he fender logs Of
not less than nine Inches In diameter which shall be Sc
curely fastened TO the bridge substantial railing not
less than three feet high shall be placed upon such bridges
As may De deemed necessary by tho COMMISSIONER and
engineer All the timber used In the construction Of said
bridges shall sound and Of good quality, and shall be
entirely freed from bark
CrLNEnrS.-Culverts and drains may be constructed
either OF stone or timber according the plans and shall
extend Of least eighteen inches on each side the base
OF 1s ebanNment their dimensions and location shall be
determined ny the Engineer Commissioner, and no
cnyert shall exceed three by five feet In cross section
The plans prOfes and elevations accompanying these
specifications form part and parcel thereof and the con-
sirucOn Of the road to be made In conformity with
same No positive deviation from the grade route or
structures shall be made without the approval Of the Com
nlissioners.
BY order Of the Board Of Branch Wagon Road Commits
siOners Of II Dorado county. RIO 2wl