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Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
PROPOSAL AND SPECIFICATIONS FOR THE PROPOSED FILTER PLANT

jacent to the present pumping station
and as shown on the general location
plat. Each bidder will be expected to
send his engineer or representative to
the city of Rock Island, and go over
the local conditions and acquaint him
self fully with the location where the
plant is to be built, so that he will be
enabled to bid intelligently on the
work
The city will offer every facility for
making Investigations of the location,
but does not assume any responsibility
as to the character of the excavation.
The standing, experience. and respon-
sibility of bidders will be fully consid
cred in the awarding of the contract.
Each bidder will give the names of
places where work of similar type has
been installed by them.
The general character of the con-
| struction shall be reinforced concrete
for coagulation basins. filter, founda-
/ tons, etc The building will be of
brick. with slate roof. supported on
steel trusses. The general design and
arrangement of the plant is such that
/ a future extension of at least 12.000,-
600 gallons capacity can be made with
/ out seriously disturbing the installa-
ton originally put in, and the arrange
ment of the equipment must be de-
signed with this idea in view.
Bidders must state the type of equip
ment. machinery, pumps, engines, etc.
which they propose to use.
The plant is designed for the use OF
lime and iron, or alum, as a coaSulant
and the equipment furnished by th3
bidder must contemplate the use OF
these materials as coagulant. The
plans show definitely the period OF
sedimentation allowed i'm the operation
of the plant, the area and size of the
filter beds, and the equipment propos
ed must correspond to these features
Bids will be compared on the basis
of the equipment and arrangement Of
the plant for economical operation.
! Each contractor will be required to
give a good and sufficient bond for the
sum of at least so per cent of tn,
amount of the contract. He must give
an agreement to save the city harm
less from patent infringement proceed
ings and to take up and defend an!
suits, at his own expense.
A set of blue prints and specifica
lions may be procured from the cit,
clerk on a deposit OF fifty dollars $3.50
for this purpose.
Failure to comply with any of the
above conditions will be sufficien
cause for rejection of bids
The drawings on file at the cit,
clerks Office consist of the following
Sheet General location plan.
! Sheet General structural plan.
Sheet S-General building plan.
Sheet General building roof.
Sheet General building and con
crete details.
J. ,on,roto Jota;s,
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
MOTHER SAYS FEATHER JOHNS
MEDICINE KEPT THEM
STOUT AND HEARTY"

Every fall. my children would get
cold. and 1t would last all winter. /
did not dare take them outdoors. Last
winter, my sister recommended Father
Johns Medicine. and I used two bot
ties, and my children didn't, get cold
all winter. They grew stout and
hearty. Would recommend Father
Johns for anybody. My children's
names are Harry and Marie Jones' y
tSigned) Mrs. John Jones,
=. 70 CiYohoghany, Pa.
Cures, all throat and lung troubles.
Not patent medicine, and free from
poisonous drugs or alcohol so years
in use.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION Is.

Joining Work-Where new work and
old are joined, or where work done at
different times is joined, the surface
must be thoroughly washed and clean
ed of all adhering substances. and a
bed of mortar at least / inch thick,
composed of one volume of cement to
two volumes of sand, shall be used to
secure bond between the surfaces.
All freshly placed concrete that may
be damaged by rain shall be carefully
covered during storms, and the con-
tractor shall provide necessary mater
ial for properly caring for same, in
case of sudden requirements. The
work of placing the concrete on any
section of work shall be carried on
continuously and completed without
stopping, in order to insure mono
lithic work. The floors of the sedi-
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 25.

Wash and Collecting Systematic
contractor will furnish and place in
the filter a wash and collecting sys-
tenn, in accordance with his detailed
designs and specifications to be sub
mitted with bid and to be approved by
the superintendent and city council
The design of this system shall be
such that the work over the filter bed
shall be distributed uniformly during
the process of filtration and the press
ure during the process of washing.
The wash system. shall be such that
the sand bed must be in a perfect
state of liquification and must be SO
designed that both compressed cir
and water can be used i'm the cleans
ing of the beds. The general details,
type and design of screens or strainers
will be fully described in the bidder S
specifications. The wash trough sys-
tenn must be such as to carry the
water away freely when using the
maximum amount of wash water nee
essary without being at any part of it,
length filled to point nearer than :,
inches of the top during operation.
SECTION 26.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 6.

Surplus OBSERVATION-DISCLOSURES exca-
walton may be disposed of in filling
around the outside walls or agains;
the wall next to the river. Any rock
taken from excavations and not used
otherwise in the construction work
shall be used for filling on the river
side of the wall.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
PROPOSAL FOR FILTRATION
PLANT,

To the Mayor and Council.-Rock Is
land, Ill.
The undersigned do and hereby pro-
pose to build and construct filtration
plant for the city of Rock Island, H.,
in full and complete accordance with
the plans and specifications on file In
the office of the city engineer. and sup
plemented by plans and specifications
for equipment, herewith filed and made
a part thereof. and complying in all
respects with the conditions and re-
quirements of your advertisement
plans, and specifications.
For the sum of :.
F......... do hereby declare the
above proposal to be made without
connection or collision with any other
person or persons making proposal
on above work. and the undersigned
is the only person interested in this
proposal.
.... have carefully examined
plans and specifications and site of
construction, and fully understand the
requirements of same, and stand ready
to enter into contract to carry out the
provisions of same for above named
sum, and to complete the entire work
in ........... days from date of CON
tract, and as guaranteed. hereby en-
close certified check in the sum of 10
per cent of the bid submitted, and
Vrefer to plants at
............ as evidence of ability and
experience.
(SigneO ..................
Address Observation-Disclosures.
SPECIFICATIONS FOR MECHANI-
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION "a.

Filter Equipment-Each bidder will
furnish complete specifications and dc
tailed drawings of the filter equip
ment, which he proposes to furnish. 1t
is the intention of these drawings ana
specifications to cover the general
construction work and leave open such
part of the work as will admit OF
each filter company furnishing their
own designs, with sufficient freedom
to assume full responsibility for the
satisfactory fulfillment of the guaran-
tee as to water publication and any
or all patent entanglements or suits
and each bidder is free to use his own
ideas as to arrangement. The city re-
serves the right. however. to elect that
which in the judgment of the superilI-
tendent and city council offers the
best design, both for economy of oper-
alton and permanently and bids will
not be considered on anything that has
not been in operation sufficient
length of time to thoroughly demon
strate its worth.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION %.

Clear Water-The present pump
veil will be utilized as clear water
veil. The construction, therefore
gallery only sufficiently large to pro-
vide suction chamber for the wash
water pump From the end of this
conduit will be carried line of pip
ing connecting to the present inlet
well for dischargiRg the clear water
to the suction of the present service
pumps. This will be placed in the
manner shown on the drawings, so as
TO provide for its use without dis
placement during any construction If
additional filters in the future.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 9.

Concrete Work to Be Done-The
contractor will furnish all materials,
tools, labor and plant necessary for
mixing, placing and finishing all con-
crete as shown on drawings for sedi-
mentation basins, filters and building.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION s.

Cleaning Upon the completion of
the work. the ground surrounding the
plant shall be evenly graded to the
satisfaction of the superintendent in
charge and left in a neat condition.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 16.

CenterS and Forms-The contracto,
quired for the construction of the
work They shall be substantial and
of material of such thickness and stiff
ness and so braced as to maintain their
true form when concrete is placed and
rammed against them. They shall be
made with tight joints, tongued and
grooved where necessary, and all sec
tons which join must be made with an
even, tight joint. All forms which will
he exposed in the finished work shall
be smooth and prepared and covered
in satisfactory manner. so that they
may be readily removed and leave the
concrete with smooth, presentable
/ surface No center or form shall be
used which is not perfectly clean, OF
! proper shape and strength, and in ev
cry way suitable and satisfactory to
the superintendent Broken or defec
! tive forms will be properly repaired
before use, and no form viii be remov
ed without the consent of the superin
tendent in charge.
| Where it is desirable to obtain q
special presentable finish, the forms
will be removed before the concrete il
completely hardened and the surface
will be rubbed with a mortar compos
ed of one volume of cement and two
volumes of sand rubbed in with {
wooden float 10 make a smooth, even
hard surface The inside wall of the
filter tanks up to point level with The
surface of the filter sand shall be lief
unfinished, or if necessary rougheneC
with a steel brush
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
ARTICLE 3.

Section THE work to be done con-
sists of building on the site shown adj
jacent to pumping station as indicated
on drawings, a filter plant complete.
in accordance with the following spec
ifications and as indicated on draw
ings for filtration plant on file at the
city clerks Office. supplemented by
detail drawings. to be furnished by the
bidders and approved by the city
council:
SECTION Q.
Excavation-Th contractor shall
make all excavations for the filter
plant. including sedimentation basins,
building, foundations, and all struct-
ures required. =,
Excavation shall be made true to
line of structures, as shown on draw
ings and where required by The coun-
Gil or superintendent of work il
charge shall be carried down to solid
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION %.

Filter Tanks-There will be six
CD rectangular concrete filter tanks,
each having an area sufficient to pro-
vide a net amount of filtered water of
1,900,000 gallons each, in addition to
the water required for washing but
no area of less than $50 square feet
per 100000 gallons will be consid-
cred.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

mentation basins shall be troweled to
a smooth surface, free from any APP
pearance of stone. The upper surface
of all floors in the building, walks or
other places, shall be dressed TO prop
er lines, and fioated and troweled to a.
smooth surface, free from any defects
A dryer composed of cement and sand
in equal parts shall be busted over
the surface and floated and troweled
to produce a hard, even finish. Con-
crete for any piers, concrete tanks.
etc, shall be placed without stoppage,
with the greatest care, to insure a
monolith
vided into sections of such size that
the work Of any section shall be COM
pleted from base to top without stop
page. All concrete will be mixed with
sufii water to insure with proper
spadings smooth surface free from
voids. Expansion joints will be pro-
vided between sections. Each section
to be not less than 40 feet in length.
All corners shall be built monolithic
for at least Is feet in either direction
Whenever. in the judgment of the SUI
perintendent, extra concrete may be
required beyond the amount shown on
he plans, the contractor shall furnish
and place such concrete in accordance
with the instructions of the superin-
| tendent, provided, however, that such
extra concrete has not been caused by
defective work or by any mistake OF
| the contractor No concrete will be
placed in freezing weather without the
| consent of the superintendent, and
then only in accordance with cOndi
tons specified by him.
Any seepage or leakage in walls that
are intended to be water-tight will be
corrected to the satisfaction of the
superintendent.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

elements. Any cement injured by
dampness, due to improper storage,
will be condemned. and shall be re-
moved from the work.
The contractor will submit to the
superintendent or city council the
name of the brand of the cement he
proposes to use, and receive his APP
proval previous to making any con-
tracts for same.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

rock. Where rock may be encount-
cred, excavation shall be carried to
the depth indicated on the plans.
SECTION 8.
Clearing-The site of eXyacatiOn
shall be cleared of refuse and rubbish
of all kinds, which shall be burned or
otherwise disposed of.
SECTION A.
Removal of Water-The contractor
shall provide, during construction, sat
isfactory means or devices for the re-
moval of water entering excavation
and shall remove such water in such a
manner as will not interfere with the
prosecution of the work or the proper
laying of the concrete.
SECTION 5.
ck-Filling-It is expected tina!
satisfactory foundations will be found
at elevations shown ON drawings. In
case materials encountered are not
SulldDiS UT Ill CdSe IL 10 lOuuu uCoi'
able or necessary to go to additional
depth, such additional excavation
shall be made by the contractor and
the city council or superintendent OF
| work in charge shall be the judge oil
whether such additional depth is nee
esSary or not.
All trenches and excavation outside
the foundations of filter plant shall be
| back-filled up to the original surface 9
| the ground. Back-tilling shall be a
compactly done as possible and if de
sirable trenches and excavation shall
be flooded with water while back-fill
| ing is being placed. This filling shall
be made of the best material available
! for the purpose and no rock which
MAY be taken from the excavation will
be allowed to be used for the purpos,
of back-filling.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 80.

Filter Connections-Eac filter bed
will be equipped with raw water inlet.
filtered water outlet, wash water ir
let and the drain to the sewer and air
inlet. each properly provided with
controlling valves and connections -
the various main lines of pipe con-
trolling same. Bidders will specify the
style AMI make of valve proposed.
method of operating and furnish de-
tailed drawings of same.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION IL.

Sand-Sand shall be composed OF
sharp, angular grains, graded from fine
to coarse, thoroughly screened to re-
iect all particles of greater diameter
than Il inch, and shall not contain
more than per cent of very fine ma
terial, and shall be sensibly free from
loan. clay, dirt. or other impurities.
Any sand containing a greater per-
centage shall be rejected and removed
from the work, at the expense of the
contractor. Sand shall be preferably
a clean, washed Mississippi river sand.
The contractor will submit samples
Of the sand he proposes to use to the
superintendent or city council for ap-
proval.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 81.

Coagulating Basins-There will be
two CD coagulating basins built OF
reinforced concrete of the general di-
,nensions shown on the plans. Basins
will be properly baffled and while it is
believed that the battling shown is
such as to give satisfactory results
the contractor is at liberty to chang
the arrangement or design of this
battling, if he deems it essential to the
'ulfillment of the guarantee required.
The coagulating basins will have in
let and outlet conduits, as shown and
shall have wash-out connections from
he bottom of each basin, properly con
trolled by valves for washing out the
sludge or sedimentation collected
therein and shall also have bypass
connection to a sludge pump arranged
for pumping ont the siudge during
periods of high water. The plans
show the basins uncovered, except for
the unloading platform. 1t is desired
however. to have an additional cost
submitted of the covering of the bas
ms, if deemed essential.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

Sheet General location plan.
Sheet General structural plan.
Sheet S-General building plan.
Sheet General building roof.
Sheet 5-General building and con
crete details.
Sheet General concrete details
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

shall be openings left in the concrete
of such size as will enable the easy
and convenient placing of such pipe
or castings later and the proper fill
ing in around them of the concrete
when placed.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECEION 13.

Classification - Several mixtures Of
concrete shall be in the work subject
to the following classification:
Glass A - Solution tanks, orifice
boxes, conduits. etc.
Glass B = Reinforced floors, beams,
and columns.
Glass C-Reinforced walls, floors of
sedimentation BASIN
Glass Dali footers, foundations,
etc.
Proportions-Con shall be CON.
posed of mixture of cement, sand and
stone. with sufficient amount of wa
ter, and the ingredients shall be mix.
ed in proportion as follows:
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 2s.

Filter Material-The contractor win
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION II.

Stone-Stone for concrete shall be
composed of good, hard gravenor bro
coarse, and of such size that all will
pass through a Pinch ring, from which
all particles less than A-inch in size
shall have been screened, except that
used for coagulant solution tanks. con-
Quits. or other purposes of this kind,
which shall not be to exceed l inch in
size. The rock shall be clean and free
from dirt, clay, or perishable matter.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 80.

Scale-There will be installed in the
storage room storage platform scale
of 500 pounds capacity for properly
weighing the chemical charges to
solution tanks.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

Care OF New Work-All exposed sur
faces of finished material and unfin-
ished work shall be kept moist by
sprinkling with clean water at short
intervals or by covering with burlan
or other approved means. This shall
be continued until the concrete has be-
come hardened and the contractor
shall not permit walking on the con-
crete until it has set a proper length
of time.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 10.

Freezing or Bad Weather-No con-
crete will be mixed or placed in freez
ing weather unless properly protected
in manner satisfactory to the super
intendent. The work of mixing and
placing concrete; shall be stopped dur
ing heavy rains and all freshly laid
shall be protected in such a manner
as to prevent running water from
coming in contact with it. Sufficient
covering shall be kept ready in case
of requirements OF this character.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28
SECTION 90.

Sample Outfit-There will be pro-
vided suitable means of securing
samples from each individual filter.
Also means of securing samples of
the raw water, treated water and the
clear well, consisting of glass vases or
other receptacles located at some con
venient point on the operating floor
through which shall be circulated con-
tinuous streams of water Bidder tn
submit detailed drawings of such ap
oaratus he proposes to furnish for this
work
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

Loss of Head Gauges-Each filter
will be equipped with loss of head
gauge to indicate when filters require
washing. Gauges TO be located at 4
convenient point adjacent to each
filter.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28


Cast Iron Pipe-The contractor will
furnish and lay all cast iron pipe, cast
iron bell and spigot pipe, bell and
ST igot specials, fiange pipe and fiange
specials used In the construction of
the slant to a point outside of the
lines of structure indicated on the
drawing. including suction discharge
piping to low-service pumping machin-
cry, wash-water pumps, sludge pumps.
all piping and fittings in the gallery
and seGimentation basins required for
Fthe completion of the plant. The
contractor will submit with his bid
Complete layout of the pipe lines he
proposes to furnish and install with
the size and character of each clearly
shown.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

Requirements for Pipe and Metal
All cast iron pipe and bell and spigot
castings shall meet the requirements
of the specifications proposed by the
American Waterworks association
Special castings not found in the above
to be made to dimensions given BY
contractor in his proposed plans
SECTION s5.
Rock Island Argus. (Rock Island, Ill.) 1893-1920, 1909-01-28

Special Fiange Castings All iangs
Evening star. [volume] (Washington, D.C.) 1854-1972, 1909-12-05

years furs may be ekcd out in the same
delightful way with additions of contrast
Ing material.
Two furs in combination are the fad,
and very handsome effects are achieved
~ bordering a short-haired pelt with one
that has long, fluffy fur. Sealskin and
skunk is a particularly fashionable COM
bination and some of the most elegant
coats that come from the hands of the
French furriers are of sealskin with deep
lapeIs collar and cuffs of the erstwhile
pleheian skunk. Broadtail and skunk are
also very smart. and, indeed, skunk is
used with everything in Paris now, many
of the chiffon evening costumes being
trimmed with narrow border bands of
this fur.
Ermine and white fox is another fash
ionabie fur combination, and one exceed
tngly expensive as well. The unspotted-
Or tailiess-ermine is the fancy of the mo
nent, and coat of this sort, reaching to
he feet and trimmed all around with IL
border of snowy white fox fur, is worth a
rings ransom, and is, indeed, regal
enough for an empresS-or for the daugh-
Ter of an American plutocrat. An I'M
spefted ermine cloak, 10 be worn at the
iorse show next week, has broad border