Daily Republican., 1883-05-23
NOTICES.
D"OPOSAI.S FOR BUILDING A
j SEWER OVER SHIPLEY RUN,
fROM THE SOUTHEAST SIDE OF
MARYLAND AVENUE, TO EXTEND

| D"OPOSALS FOR BUILDING A
i SEWER OVER SHlPLEY RUN
FROM THE SOUTHEAST SIDE u
MARYLAND AVENUE, TO EXTENI
Sealed proposals will be received In the boz
In the Council Chamber until 7.3O o'clock y
m., Thursday, May Nth, 1883, for the building
Of about 81 feet OF sewer, extending sOutherly
| from the sOutheasterly side OF Maryland ave
The sewer will be constructed Of stone and
brick. The wall will be about6 feet high and
3 feet thick. built Of good, we'll shaped two
men tone. The walls will be what II gener.
ally known as rubble masonry, laid ia irregu-
lar COURSES, and VIII consist Of stone contain
X from one to two Il 10 y cubic feet, and ~
disposed or laid as to make q tirm and com
pact wall, and no stone will be used that does
not contain ut least one cubic foot, except for
illIng up the interstices between tho larger
stone In the heart Uf the walls at least one
nth OF the face of the wall shall be composed
OF headers, extending full size eighteen tls)
inches into the heart of the wall, aud from
the DAck the headers shall ue In the same
proportion and Of the same dimensions and
80 arranged that header IN the back shall
be between two headers In the face. The ends
OF the wall3willbe be neatly hnished with steps.
the breadth or tread Of which shall not he
less than the rise. The distance between the
walls will he twelve l2) feet in the clear,
which will be spanned by semi-circular
brick arch nine (9) inches thick, composed OF
two independent rings or courses Of the best
hard burnt brick The pavement will be an
inverted arch OF s11a feet radius, consisting Of
one course OF good paving brick laid on edge.
Inc bed or the pavement must be well pre-.
pared by being thoroughly packed and ram
med and made " conform to the exact shape
and grade OF the invertei arch or pavement.
The sprnging line Of the pavement will be 8
feet below the springing line Of the arch. The
arch will be well backed with stone to the
height of about thrse feet. All the work, both
stone and brick, of this sewer. must be laid in.
good hydraulic cement mortar, composed OF
one part OF cement and two parts of clean river
sand. All the cement must be subjected " u
test and approved by the Street Commission
or before II will be allowed to be used In the
work. The contractor will not he allowed to
deposit materials tor the construction Of said
sewer ON Maryla avenue 40 as to impede or
Interfere with the travel, and will be held re-
sponsible for any damage or injury that may
occur TO any pennn or property on account Of
my neglect on his part to keep the avenue
'ree for travel both day and night.
Plans the sewer can be seen at my Office
,r at the office Of M. g. Conweli, Chief Engi.
1eer Of the city Of wilmington. The entire
work must be completed in thirty days from
he signing Of the contract.
Bids are requested for the entire work, In |
'luding excavation and back -tlling. Each |
Did must be accompanied with a UOnd In the |
um of $500 with surety,as u guarantee of the |
good faith of the bid, and the successful bid |
Ter aill be required to give bon, in the sum |
If Sl,oOO with surety for the faithful perform
Ince Of the contract
All bl Is must be endorsed Propose Ia for |
ever over Shipley Kun, from the southeast |
ide Of Maryland avenue"
The committee reserves the right to reject |
my or all bids Lewis ZEBLEY,
my2l3t Street Commissioner.