Delaware gazette and state journal. (Wilmington, Del.) 1883-1902, 1898-09-15
HARBOR WORK.
Specifications for Dredging and Rock Ee
mayai Ready for the Bidders.


had printeu for the information OF
bidders specifications Getting forth
what is to be dona in the way Of i'm
proving the Wilmington harhor, for
which a liberal appropriation Was made
at the last session of Congress, the
hida for which are to lie opened at
hia Office in this city on October 10th.
The work required ami special condi-
tions are given in detail. The apeciti-
cations state that tine amount available
is $3.50, goo, lesa engineering and con-
| tingent expenHes. III ia proposed tn APP
ply thu available funds to dredging a
channeI Is feet doep at mean low
water, ami $50 feet wide from tine 49,
| foot curve 10 the Delaware River, to
the upper line OF tho pulp works also.
aa far IA available funds will permit.
| to than dradge from the pulp works to
| the draw pisr OF the Shellpot branch
hridgs No. 4, Of the p, W. II b. rail
rUad, 80 as to give depth which
gradually diminiabos between the
points nameii to 10 fest at mean low
water at the lattar named place; Euh
thenca to remove shoals having less
tpan feet OF water over them "a far MS
Newport. The width TO be dre1ged
above tho pulp works will be deter
| mined Ivy thu engineer In charge, aud
| is dapenheng upon tho amount OF
money available at that time. The
| work must begin RS aeon as possible
after award of contract and prosecuted
| with sufficient plant to insure the re.
| movHl ami re1eposit of not less than
| 3, 500 cubic yards daily employing
| three drudEing machines for TINT pur-
pose. These are TO he located OF the
/ ...tn -, Il - u
direction indicated Ivy tho engineer in
charge. If the material is to be de.
positsd above high water, the contractor
must also have machine or machines
ri sufficient capacity to throw il over.
The depth of cutting will be- from to
10 feet. The average rise of the tide
is six feet.
No guarantee is given as TO tho
nature Of the bottom, hut, as far as is
Known, it 10 sand, mud, clay anti
gravel. Bidders are requested to satisfy
themselves upun this punt ami to ey-
anime all other local cunditions, as ii
will be assumed that their bids ara
based upon personal information. No
extra allowance will be made for excR-
waiting material different from that
herein described.
The material removed is TO be de-
posted at such points "a may be indi.
Gated or approved by the engineer in
chargs. 5cowa used in removing any
OF the axcavated material must be
sound and tight. md no loss OF material
by leakage or otherwise muet occur
during transportation. Should there
bu loss of material by leakage when
erowa arrive at tho dumping place, the
quantity SO lost will be estimated and
be deducted from the amount ut ma.
terial removed as measured ia rlace
II tine material ~ to lie pumped ashore,
it must be placed above high water aud
precautions taken, under the supervi-
sim OF tho engineer in charge, to guard
against tho return of any of it into the
channel. Shoaling in the vicinity OF
the dumping ground, resulting from
the dumping, must be removed hy the
contractor without charge. Tha United
States will not be- responsible for dam
age that may be done to private prop
erty during the progress of tho work
and all reasonable and proper preoau-
tions must be taken to prevent such
damage.
THIS amount of material removed will
be paid for by the cubic yard, meas
ured in place, and shall be determined
l
, commenced and after it ia completed.
All surveys and measurements are to
be maize under the direction uf the en-
gineer ia charge by persons employed
by him for that purpose. The decision
Of the engineer in charge az 10 the
amount of material excavatad and re-
! moved, as well az to it's location and
, deposit, shall be final and without ap.
, peal ON the part of the contractor.
1t IS proposed to remove to depth
/ | Of Is feet at msan low water 30 much
Of two lodges of rock, one immediately
above Third street bridge and the
other Just below, as lies within the
limita of the channel of tina Christiana
, River. The estimated quantity of rock
to be removed Is 1886 cubic yards.
, Tbs depth OF rock removal required
, varies from nothing to eight feet. Both
J lodges ware excavatad to an approx.
mate general level OF 10 feet below
mean low water in 1853. except on the
southern edge of the lower ledge. The
, areas to be blasted over are respectively
/ 1880 and 9, loo square feet. The
average range of tide ia six feet. NJ
guarantee ia given as TO the nature oil
the rock, hut rs far as known 1t is /
species ut compact gueiEsoid not dill
cult 10 drill bidders are requested tt
satisfy themselves upon tbis point auc
, TO examine all other local conditions,
, AZ IL will hs assumed that their bidi
, are based npun peraonal information,
! No extra allowance will be made for OK
, cavating material different from thai
herein described. nor for over depth.
Tho rock excavatsd must be removed
, to suoh place or places as may hn in
dicatsli or approved by the engineer il
a charge. Whatever deposit may bi
! found upon the ledgea must, If neces
sary for tho execution of tho work, b.
: removed and similarly placed, withou
charge to the government
The United States will not be re
spunsible fur damage that may be don,
to private property during the progress
q of tho work; and all reasonable ant
proper precautions must be taken I,
! guard against such damage.
Payment will be made far the rocl
removed by tho cubic yard measured
: in place, and the quantity shall he as
! tormned by surveys during the pro
gress of tue work and upon it's com
pletion. All surveys and measurement
are to be made under the direction o
the engineer in charge. The location
: OF the work shall ba plainly indicated
by stakes and ranges. The level o
mean low water as established by til,
engineer In charge shall not b.
: changed during tine progress OF TN
. work. Tho contractor will be required
to supply lumber for the necossHr.
strikes and rangea and ehall furniHl
men and boats to set them and keel