Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

use III washing inter DeuS. he Gull
tractor will submit with his bid plans |
and illustrations of what he proposes |
to use for this purpose, with detailed
description of same.
SECTION Al.
Coagulant Lift-The contractor will
furnish some means of elevating coag
ulants to the storage room in filter
building Will give description in his
specification or illustration of the
means proposed for this purpose.
SECTION AZ.
Building-There will be placed over
the filters and operating room brick
building with concrete floors, slate
roof supported upon steel trusses, oc-
cupying general position of the dimen
sions shown on the drawings, on file
in the city clerks Office The walls
above the water table will be built of
the best quality hard red building
brick, equal to the best local brick.
They shall be whole. sound, uniform
ii
face and sharp corners, and will be
subject TO the approval of the super
intendent and city council.
SECTION 43.
Laying-Brick shall be laid in COM
mon bond, with every sixth course
header, joint will be uniform in thick
ness and not exceeding 3s inch. They
shall be laid to line. be level and the
bonds accurately preserved. The brick
shall be dampened with water before
laying, and shall be laid in a full
close joint of mortar. All plugs, jamb
blocks, anchor irons, etc, shall be built
in wall as required. All joints shall be
neatly struck outside and walls left
free from spilled mortar or plaster.
SECTION A.
Mortar-Mortar shall be made of one
~ part of Portland cement, two CD
parts of slaked lime, six CO. parts Of
clean, sharp sand; all lime to be fresh
| ly burned and no air-slaked lime to be
used. Lime paste shall be worked at
least one Cd day before using, and
shall be kept continually moist.
SECTION As.
Stone Work-Window stills, door
stills, ETC., are to be of Bedford or 9TH
er suitable stone, acceptable to the SUI
lperintendent and city council, all stone
| to be cut on the ground
SECTION 46.
Arches-All arches shall be built of
heavy wooden centers and shall not
be removed until mortar is thoroughly
| set.
SECTION AZ.
Structural Steel-All structural steel
will be of the grade known as medium
steel, all riveted steel of the grade
known as rivet STEEL The quality of
steel and all workmanship will be in
accordance with the Manufacturers
Standard Specifications, as revised to
date. The metal will be given one %
coat of paint at the shop and another
after erection, and finished in such a
color as the superintendent and city
council may determine.
SECTION 4S.
| Stairs and Rails-There will be fur
nished one spiral staircase with cast or
wrought steel treads running from the
basement to the floor of storage room
There will also be furnished rails con-
sisting of two (2) rails in front of line
CT filters, around all openings in the
operating room and around platform
lextending from operating rooms to side
lof sedimentation basin. Standards
will be of Pinch pipe and the rails IL
inch pipe. Top rail to be 3 feet from
floor, rails to be firmly fastened to
the floor either by flange plates OF
posts set in the concrete.
| SECTION 40.
Carpenter and Mill Work-The con
tractor shall furnish all the materials
tools and labor, and shall erect, in &C
cordance with the drawings, all car
penter work, mill work, and hardware
required to complete the building. Tht
workmanship shall be first elias:
Throughout, and all miters and joints
shall be true and close. The wood
work shall be carefully placed. shall
be plumb, level and true, and shall b.
framed and secured in the best man
..ner. The contractor shall furnish al
screws, nails. bolts, etc., for properl.
securing the woodwork.
!. SECTION so.
& Window Frames-The exterior sill