The national Republican., 1867-07-06
DROPOSALS FOR THE SEWER
i ACE OF TENTH sTRRET WEST, FROM TIL
CANAL TO THE SOUTH SIDE OF NEW
YORK AVENUE.

YORK AVENUE.
until IL m on SATURDAY, July g. 1857, for the con-
struction Of about three thousand three hundred feet
a. main ssTsTsss T % eonmsnes a. The north side o.
fifteen hundred feet to the north side Of street NORTH
thence continuing along said Tenth street west about
eighteen hundred feet 70 the south side Of New York
ayenue the fret described part Of the sewerage be-
tween the canal aud street north, to be barrel FORM
inside diameter four fest the second described part
Of ,ad sewerage from the north side Of street north
10 tho south side Of New York avenue, to be barrel
form, inside diameter three feet the thickness Of all
the walls to be nine inches.
The following are the established grades for the
inside bottom Of tho sewerage, viz:
south side New York avenue and Tenth street,
424s feet
South side street north and Tenth street, %. "a
feet.
South side street north and Tenth street. 81 50
feet.
South side street north and Tenth street, "a 70
feet.
South side ? street north and Tenth street. 10. II
feet.
North side B street north aud Tenth street, Is
feet.
North side D street north and Tenth street, l. 10
From the north side Of street north the grade will
be uniform to ordinary low tide mark In the canal
The following are the cuts at the different points
for the grade Of the inside bottom Of the sewerage
viz:
Tenth street west south side New York avenue, IL
feet below northwest corner OF Square S7S
Tenth street west, south side street NORTH IL feet
| below northwest corner Of square s74
Tenth street west south side street north IL feet
below northwest corner Of squAre S75.
Tenth street west, south eide street north 81 feet
below northwest corner Of Square S79.
Tenth street west, south side street north is az
| feet below northwest corner Of square 377.
Tenth street west, north side street north l2 feet
| COW southwest corner SluaTe 377.
| Tenlh street west north side street north. lOlL
| fest below southwest corner Square 37s.
Average cut between street aud the canal wIllIbo
| Abou. 10 feet
| In tina execution Of tina work ahoya snosgaad AL,
tsh0ls, hand made hOrOu0h-Lurrt red brick of ne
Iest quany must Be used, CAREFULLY excluding all
t0st imtdtatsiy before being laid and every b. lei
must hdrs ull mOrtdrJ Joints under LoOnl sides and
ends. The whole must be laid In mortar Gade Of
the best fresh hydraulic cement, and clean, sharp,
river san free fron loan, which must be mixed In
the proportion Of not more than two parts OF sand to
one part q cement and mast be made in small quan-
titles, as It may be required for immediate use.
Should 1t be deemed necessary at any portion Of
the sewerage Of which necessity tho officers Of ths
Corporation shall be the judges, the work shall be
laid upon foundation on X inch spruce or pine
plahks not under inches wide.
The bottom Of the trenches must be accurately cut
to the shape OF the extsror Of the sewerage and the
lateral euly rte, templets being used to secure this
accuracy. In realizing the trenches the space over
launches up to the level OF the outside crown OF
the arch must re well hled, rammed, and puddled.
All hagways or other pavements which, In the exc
eution OF the work 1t may be necessary to disturb
and also the surface Of the Streets must be repayed
regarded Tsgrayslled In the best Ia an d. and to
the satisfaction OF tho commissioner aud assistant
commissioners appointed to superlntsnd said work.
The manholes to be three feet square In the clear
and TO be worked In the arch Of the sewer In each
OF these two curbstOnes must be se the size OF which
shall not be less than four and half feet lorg nine
inches wide and four inches thick set fair with the
inside crown Of the sewer to support the arch and
from which the walls Of the openings, nilo inches
thick Of brick will be worked to within nine inchel
Of the crown sf the street, TO be eopsd with -four
pieces Of rough hammered granite nine inches wild,
aud nine inches thick halyed together at the ends O
such length that they viii enclose space Of three
feet in the clear elampsd together on the outer sdo
and rabbetted on the inner sides TO receive per
foraed iron cover, Of one inch thick, with the WORD
"Manhoe' and the level OF the bottom OF the sewe
Inscribed thereon.
In the execution Of all any part Of the aforesaid
sewerage, not more than three hundred feet must b.
opened at one aud the same time; and before AM
part shall i.Aye been covered in, the Commission
Of the ward and the Assistant Commissioners Ap
pointed BY the Mayor must DO fully satisfied that h
work has been faithfully executed according to th
law and specifications.
The traps will be OF The size and shape as th
new trap at the War Department, corner OF Seven
teenth street west and Pennsylvania avenue, will
granite coping and iron cover, the drops to be esv
cred with an iron grats.
All laterals to be barrel FORM two feet inside dl
meter with walls nine inches thiek
The above work to be provided with such traps
drops, and laterals branch sewers, aud manholes
the City Surveyor may direct. All the above sewer
age Except the lAterals manhOlss, and tTaps) to
paid for BY an assessment on the property 69rdern
aTy 24 1869
All expenses Of pumping and dammlng, or an
other loss or damage which may arise from the ma
tue Of the work, or be caused by action OF the eo
ments, must be borne by the contractor.
Bdders will state but one price per lineal foot 70
the construction Of the main sewerage also the pre
per trap and manhole each, aud per linsRl foot fO
the lateral branches. which shall include the sx
A pense all excavation.
Bidders VIII also bid per thousand feet, boar
measure, for any OF the Aforesaid timber which ma
be required for good foundation for the sewerage
The right Is reserved by the Mayor to rel ect any
all bids, and p eseribs whsg any part Of said wor
shall commence and when II shall cease.
For farther particulars SOS map with location
drops, manholes, traps and lateras In the CITY SUI
yeyOrs Oitse, Tor other officer appointed by law
Bids will be received from none bat praetiei
d bricklayers
Any departure from the above specification sha
. be considered q nullineation Of the contract.
70 RICHARD WALLAOH,
jsT.jylaS Mayor.