Evening star. [volume] (Washington, D.C.) 1854-1972, 1871-08-26
PROPOSALS FOR THE CONSTRUCTION OF
Il SEWERS.
OFFICE OF THE BOARD OF PUBLIC works.
District of Columbia,

Distriot Of Colombia,
WASHINGTON, ID. c., August 25, 1871.
Public Works Of the District Of Columbia until 2
District where required by the Board and according
TO the following specifications and dimensions:
The sewers 10 be circular or oval in form, as may
be required hereafter constructed of the best quality
OF hard burned red bricks, soft ght cOlored arch
The bricks to be wet when laid, and to be laid in
ful mortar OF the best quality Of Rosendale, shep-
herGstown or Round Top cement mortar.
The walls Of all sewers to be nine go inches in
thickness.
Bids will state the price per neal foot for circular
Sewers, whose internal dimensions shall be L. Is "a
80, a. as 81, and GO inohes and also the price for
The excavation will vary from twelve 10 twenty
t2el feet, according TO locality.
Man holes Will be constructed where required,
circular in form, and Of the following dimensions
viz: Two 90 feet in diameter at the top, and three
thick, Of the same kind and quality of material and
workmanship as hereinbef0re specified for the
Sewers, and 70 be covered with an iron hange and
The traps 70 be six 90 feet long, four W feet wide
and nine 90 feet deep The walls to be thirteen lSj
inches thick, and of the same material as the
sewer; The covers and bottom 10 be Of granite or
Seneca stone eight go by six (6) feet and not less
than six 90 inches thick the trap-stone TO be four
90 inches below the level Of the inlet Of the TO
The bids will be per lineal foot for the Sewer per
piece for each Man hole complete, per piece for
walton; the amount of which will be determined Nv
the profile and section which will be furnished by
the Engineer before the work is commenced.
House connections, eight 80 inches i'm diameter.
will be inserted where directed by the Engineer and
not oftener than once in twenty five feet the cost
of the connections 10 be included in the price for the
sewer. No extras viii be allowed under any cir
Cumstances.
In awarding the contracts, the depth of the exca-
walton viii be calculated at fifteen Is feet the width
at the bottom at % twenty inches wider than the eN
terror measurement OF the sewer; aud the width of
the surface at two 90 feet wider than the bottom.
The MaDholes will be estimated for at intervals Of
tl50 one hundred and fifty feet and the trans at in
tervals Of 400 four hundred feet.
The payments viii, however, be made at the net
rate for each item.
The bids for the Sewers, ManhOles and Traps will
De considered as an aggregate bid or sub-dvided az
Proposals will also be received for the construction
OF the Sewers in Scotch Stone other pipe Of equal
quality thereto, BitOn, Portland Cement, or other
suitable material; such proposals TO be accompanied
by special plans and specifications, TO be furnished
by the bidder.
Each bidder will be required, before presenting
his bid TO deposit with the Collector Of the city OF
Works, the sum OF fve hundred dollars, 500 IA king
receipt therefor. as guarantee that he will enter
into and carry out the contract If awarded to him.
in accordance with his bid. The money deposited
will be refunded TO the successful bidder after the
award of the contract and to the contractor after
the completion Of the work.
No bid viii be considered unless made on the
printed FORM to be obtained at the Office of the Chief
Engineer, where any explanations may also be OBJ
tanned.
The Board reserves the right to reject any or all
bids, or 70 except any portion thereof, il deemed by
them TO the interests OF the District TO do so.
Proposals should be Endorsed " PrOpOsa ais for Sew
ers, and addressed 70 the Treasurer of the Board
Of Public Works, District Of Columbia" au26td