Daily Republican., 1883-06-25

|DROPOSALS FOR BUILDING A SEW.
L Err OVER SHIPLEY RUN FROM
THE SOUTHEAST SIDE OF MARY
LAND AVENUE TO EXTEND ABOUT 81
FEET UTH-EASTEkLY.
Sealed proposals will be received in the box
In the Council chamber until 7.30 O'Clock, p.
IN. Thursday, June 2s, 1853. for the building
of about 81 feet of sewer. extending sOutherly
from the sOutheasterly side Of Mary land ave
nue. The sewer will be constructed Of stone
and brick. The wall will be about 6 feet high
and feet thick. built Of good, well-shaped
twoinen st0ne. The walls will be what is
genera lily known as rubble masOnery, laid in
irregular courses, and will consist of stone
containing from one to two q TO y cubic feet.
and so disposed or laid as to make nrm
Hnd compact wall, and no stone will used
that doe not contain at least one cubic foot
except for filling up the nterstices between
the larger stone in the heart Of the wall at
least one-tifth OF the face of the waits shall
be composed Of headers. extending full size,
eighteen NS) inches into the heart Of the
wall, and from the back the headers sh I'll be
in the same proportion and OF the same d.
mensiOns and SO arranged that \ header in
the back shall be between two headers in the
face. The ends of the walls will he neatly
finished with steps, the breadth or tread Of
which shall not be less than the rise. ! he
distance between the walls will be twelve
(l2) feet in the clear, which will be spanded
by d 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 n feet
radius consisting Of one course of good paving
brick laid on edge. The bed OF the pavement
must be well prepared by being thoroughly
packed and rammed and made to conform to
! the exact shape and grade Of the inverted
arch or pavement. The springiny line Of the
pavement will be three t3) teet below the
| ~ l.
we'll backed with stone to the height Of about
three (3) feet. All the work, both stone and
brick, of the sewer must be laid in good by.
draulic GENE It mortar, composed Of one part
Of cement and two parts Of clean river sand.
All the cement must be subject to q test and
approved by the Street Commissioner before
| 1t will be allowed to be used in the work
The contractor will not be allowed to deposit
materials for the construction OF said sewe,
on Maryland avenue SO as to impede or i'll
terfere with the travrl, and will be held re-
| sponsible for any damage or injury that may
occur to any person or property on account OF
any neglect on his part To keep the avenue
| rec for travel both day and night.
| Plans of the sewer can be seen at my Office
or at the office Of NJ. G.. Conwel, Chief Engi-
neer of the city of Wilmington The entire
work must be completed in thirty days from
the signing Of the contract.
| Bids are requested Tor the entire WI rk, in
Guiding excavation and Dack ,nlilnS. Each Dlu
must be accompanied with bond in the sum
of $500 with surety, as u guarantee of the good
faith of the bid. and the successful bidder
will be required to give bond in the sum Of
". 600 with surety for the faithful performance
| of the contract.
All bids must be indorsed "Proposals for
sewer over Shpley Run, from the southeast
side of Maryland avenue"
The committee reserves the right to reject
any Orall bids
BY Order of A. A. EASTBuRN,
Chairman Street Committee.
LEWES ZEBLEY. Street Commissioner.
je23-4t