Evening star. [volume] (Washington, D.C.) 1854-1972, 1867-11-23
PROPOSALS.
RIO CONTRACTORS.
o. 8. EserHEKR OrFIcE,

| u. =. ENGINEER OFTiCk, L
/ III GRswoLD STREEr, DETROIT, MicH.S
out il he oIm n
| For easy references and understanding. the i'm
provements are put under the following divisions:
REPAIRS AND PREsERvATIoN OF SLOPE OF OLD
STONE REvETNESr AROUND HEAD OF SOUTH PIER,
s. round piles. "A to Is feet fons u inches diane
exclusive of bark at middle, Of best quality OF
o water sills, s1la, in lengths from 10 up to s.
| feet-in all s4I running feet. 1l-7-s's -
Is binders. 4xs in lengths Is to 50 fset-in all SOS
sx4 nas; end and tie timbers i2Il2, in lengths of
up 70 20 ieetLI, tS running feet
$50 planEs, inI2, in lengths from IS to . feet
In this diyition the pieces of timber in of
sns = s6ant to
.xscys 4 70 3 feet, inclusive, win amount to
And only one s. feet stick the others not exceed
l42 bars: inch square, drift bolt iron, 10 feet
long-9-526 pounds 49,. - r..
round Of Rsaa To
| end Of screw-l leo lbs.
us cords of rubble stone, TO hh to bottom of top
400 ords of brush in beund bundles Of IL inches
IN diameter and to IL feet in length, to be put
In this old outh pier there are several places in
which breaches through the outer wall or crast of
the masonry have been made, in all amounting to
some 8 BIS cubic yards of rubble dry and cement
masonry; These to be repaired by masonry similar
1t will also require s2e cords of rubble stone 70 fiji
in behind the superstructure, to bring The re
vetment Of the slope to top Of superstructure.
| DIVISION III. -
REPAIR AND PREsERyATIoN-oLD NORTH PIER,
REQUIRING:
50 cords Of stones, WHICH have fall,n ont Of the
Among these sa she re-
be raised and dumped where Il viii do 30 har%
and which n will be Paidd i'd; iSr besides paying for
this pier consisting Of crib . feet long 10 n feet
water, and another crib Is feet long, IL feet wide
to stand in fve feet Of water and to be fastened
and stSns Ito 5e put On these new cribs feet
Perstructure to be filled with stone and the work
The new head will REQUIRE for the construction
around piles mot less than L. inches, diameter at
SIDE en snd axs Of length.
from 10 to Is feet-in these .4S2r. {.
aseantng, sxi, Is feet l on GO feet b. m.
10 boards, lxl2, IL feet long-E6 feet b. m.
And Tor the superstructure above water:
30 side end, and tie timbers, l2xl2, in lengths of
"a and Is feet-in these 735 r. f.
pshfs s1 XII feet feet
40 bars inch square drift bolt iren 10 feet long,
,6-inch wrought spikes, $40 inches diameter-2
5-inch wrought spikes, sic inches diameter-6S
10 d. cut nails-2k lbs.
4s cords of stone to I'LL up to bottom of top tim
TO repair the dry masonry coping of the old pier,
those to be dredged up and to be replaced "A
coping, in workmanship as formerly, and as now
In this division the timber in lengths of 20 feet
and under, will amount to 6, sl7 feet b. m.
Above 20 to "A feet, inclusive, to 1870 feet b. m
Above "a to % feet, inclusive, to l6 500 feet b. M
DIVISION III.
EXTENSION OF SOUTH PIER, COMMONLY CALLED
This extension to be done by sinking eight cribs
end TO end, none in less than IL feet water below
bed produced by dredging sand to the amonpt Of
Gle cubic Yards each crib in the series to have four
t. Ss q allied with stones Srib No to one
Cribs CRIB Nos and to Be 30 feet long and % feet
sids sim6ers to e 50 SHAPED At the BY
upper side of said timbers shall be horizontal
w ESe the the sb Of and S bs quite
ss , Of timber rising six feet above
and them to be psnksd SS.'06 One sS
snperstruSture as il extends back from the crib
No Il to rest est upon the old close row of piles
stone revetment The total length Of the super eiu
cribs length f6e Eight fs erSss on tire
for construction: i'
s. sna ssess ai in
leyeliing timbers, I0xl2 30 feet. long, to be
los crib bottom pieces sxlO in lengths from Is to
Is feet-25I running feet.
IL braces, SKIS, feet loHg-aB
sticks, 6xl2 from Is to 26 feet in length, some
for water stills and some for levellpg up the work
:bipders, 4xs, in lengths from 10 to 30 feet-7s
N crib bottom boards, lxl2, of lens ths II and Is
g clamps, 2Ii2, Il feet iong-s44 feet b. m.
81 scsntlng, 3x4, In lengths IL, q, and "a feet
The whole superstructure requires for its con-
sos side. end, and tie timhers. l2x,2, of lengths
and fee tin these Il SIS feet D. D. m nsns'"' H.
Iva joists, 3xl2, 10 feet longs, 30 feet b. m.
less than y inches diameter at middle, excluding
g d1fs sssa oRs feet
long, for cribs and superstructure-l7.5l SO lbs.
IL round inch iron nut and screw. and two wash
ers, bolts 2 inches Icing from inside of head to
s inch wrought spikes, s-ls dameter-l6l lbs.
Finch wrought spikes, Sic dianeter-S2S lbs.
CSC cords OF rubble stone, for cribs and super
this division the pieces Of timber in lengths of
Above % to inclnde 2 feet, l 10 s s fee; m
DIVISION Nv.
DREDGING FOR CHANNEL.
After the work in Divisions 1. IL, Ill shall have
space between the extension Of the south sSd tine
prolongation Of the line of north pier to obtain
Ts Will be esmaeS in cubic yards snd the
price for dredging and dumping the same out of
nsw show about 1900 cubic yards of this deposit
requiring removal. ID. -...8 -
DIVISION v.