The Saint Paul globe. (St. Paul, Minn.) 1896-1905, 1902-02-05
Proposals for Water Gates.
Board of Water Commissioners.

81. PduI, 1Mlnn., Feb. 4, lSU2.
Sealed proposals will be received at the
office of the Board of Water Commits
sioners of the City of st. Paul, until u
o'clock M, Feb. goth, 1902, for furnishing
said Water Board with water gates from
inches to 16 inches in diameter, in
accordance with the following specffica-
tons:
All 16-inch and 2O-inch and 21-inch gates
must be geared.
All valves shall be double-faeed, and
made with two independent gates, which
shall have their only point of contact
with the stem at their centers, j. e., be
center bearing.
The gates shall be so attached to the
stem that they shall be capable of a
just themselves to their seats, which
shah be inclined or wedge-shaped. The
gates must lift and drop clear of the
seats to avoid all dragging on them
Both the gate surfaces Of contact with
the seats shall be on bronze, and shall be
accurately fitted and ground to their
seats, which shall also be of bronze, So
as to make a perfectly tight joint when
the valve is closed.
The stem and all other parts connected
with the gates shall be of solid phosphor
bronze, which shall contain 80 per cent
of copper, D per cent of phosphor and 5
per cent of tin, and if nuts and bolts are
used they must be of brass Stems must
be of the following dimensions: 4 inches
IA inches; inches. 13s inches Y inches,
19s inches; Is inches, 2 inches; 20 inches
21s inches; "A inches, "a inches; 30 inches
double.
The stuffing boxes must be Of the kind
known as strapped stuffing boxes" and
must have layer of leather in center of
packing in stuthng box to tight to
spindle.
The surface of contact with the collar
of stem must be of bronze. The iron and
bronze must be of the very best kind
and made of new metals and capable Of
standing tensile strain of 10000 and 3d.
600 pounds respectively; and the casting
shall be smooth and perfect without
sand-holes or scabs, and the workman
ship must be frst-class in every particu-
lar.
The joints shall be planed smooth and
well fitted
: When open the valves must present a
clear waterway of the diameter Of the
valve opening.
Each and every valve shall be tested to
SU0 pounds per square inch, and shall be
coated with coal tar or asphaltum var
niSh.
EIghth-Weights must not fall below
| the following: 4 inches. IS pounds; 6
inches, $50 pounds; II inches SIS pounds:
Is inches. 1,275 pounds; 20 inches, 1850
pounds; "A inches, $3.50 pounds.
Ninth-All valves must open by turn
| ing to the right
Tenth-.All valves 20 inches and over
| to have indicators.
All gates must be delivered free on
board the cars in st. Paul, freight pre-
paid, as follows:
One-half. of the gates or valves of the
Paul by June 10. 1902, and the balance by
June %, 1902
The privilege gates must be delivered
within thirty 900 days from date of
order. Payment will be made by monthly
estimates
A bond with at least two ~ sureties
in sum of at least twenty COZ per cent
of the gross amount bid. or a certified
check of one hundred dollars must ac-
company each bid.
The Board reserves the right to reject
anv and all bids.
Bids must be Endorsed Proposals for
Water Gates" and addressed to the I'M
dersigned, JOHN CAIJLFIEI,D.
Secretary Board of Water Commissioners.
Feb-5&6-19O2