HomeMy WebLinkAboutORDINANCES-1967-045-O-67rt Form 2a BL'I 500 11-5$ s
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45-0-67 5
AN ORDINANCE
FOR THE CONSTRUCTIO�nOo n A 40CAL, IMPROVEMENT
EVANSTON SPECIAL ASSESSMENT NO. 1303
•
BE IT ORDAINED BY THE CITY COUNCIL
OF THE CITY OF EVANSTON, ILLINOIS :
Section 1. That a local improvement shall be made within the City of Evanston, County of Cook and
State of Illinois, the nature, character, locality and description of which is as follows, to -wit:
in the roadway of the public alley in the block
bounded on the north by Keeney Street, on the south
by wc�uth Boulevard# on the east by Hinman avenue, and
on the west by Chicago Avenue, in the City of Evanston,
County of gook, State of II -I inois, be improved by
grading, constructing necessary storm sewers and
drainage structures, and paving to a width of nineteen
J (19) feet with a Portland Cement Concrete pavement
1� eight, (8) Inches thick,
Section 2. That the Recommendation of this Ordinance by the Board of Local Improvements of
the City of Evanston, Illinois, and the Estimate of the cost of said improvement made by the Engineer
of said Board, both hereto attached, be and the same are hereby approved and by reference thereto
made a part hereof; and that the attached Plans and Specifications of said improvement are also hereby
approved and by reference thereto made a part hereof;
Section 3. That said improvement shall be made and the cost thereof, including the sum of one
Thousand, Seven Hundred Ninety-three ($10793,00)---►---- Dollars, being the
costs of snaking and collecting the Assessment and all other expenses as provided by law, shall be paid for
by Special Assessment in accordance with an Act of the General Assembly of the State of Illinois, known
as the "Revised Cities and Villages Act," approved August 15, 1941, and the Amendments thereto;
Section 4. That the aggregate amount to be assessed and each individual assessment shall be divided
into __19M___UP)__________________ installments in the manner provided by law, and each of said installments
shall bear interest at the rate of _______SX____ per centum --- §'%----------- per annum from the date of the first
voucher issued on account of work done upon said proposed improvement;
Section 5. That for the purpose of anticipating the collection of the installments of said assessment
levied against the real estate benefited thereby, bonds shall be issued payable out of said installments,
bearing interest at the rate of-----------�a-1X_____________________ per centum ____0%_____________ per annum, payable annually
and signed by the Mayor of the City of Evanston, Illinois, and the City Clerk of said City, and attested by
0
Form 2b BLI 500 11-58
the corporate seal of said City; and that said bonds shall be issued in accordance with and shall in all respects
conform to the provisions of an Act of the General Assembly of the State of Illinois, known as the "Revised
Cities and Villages Act", approved August 15, 1941, and the Amendments thereto;
JAM'ES F. Ii ORING President
Section6. That------------------------------------------------------------------------------------------------------------------------------------------------- of
• the Board of Local l ngletts of the City of Evanston, Illinois, be and ---- he is hereby directed to file a
Petition in the ____________________________________________ Court of Cook County, Illinois, praying that steps may be taken to
levy a Special Assessment to pay the cost of said improvement in accordance with the provisions of this
Ordinance and in the manner prescribed by law;
Section %. That all Ordinances or parts of Ordinances conflicting with this Ordinance be and the same
are hereby repealed; and
Section 8. That this Ordinance shall be in force and effect from and after its passage and approval
according to law.
Adopted by % fity Council of the C;t- of Evanston, Illinois, on the _________________________________ day of
-------------------- ----------A. D. 19---------
Attest: ---- MavT W er---F;---$rOwft----------------------------
City Clerk
Approved as to form:
------------------ ______
Attorney for the Board of
Local Improvements of the
City of Evanston, Illinois.
•
Approved--�----------------------------------------- 19---►---.
--------------------Jahn---D� --- e�c --
----------------------------------
Mayor
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Form 3 BLf 500 11-58
a!
RECOMMENDATION OF THE BOARD OF LOCAL IMPROVEMENTS
TO THE CITY COUNCIL OF THE CITY OF EVANSTON, ILLINOIS.
• The Board of Local Improvements of the City of Evanston, Illinois, herewith submits the draft of an
Ordinance for the making of a local improvement within the City of Evanston, County of Cook and State of
Illinois, the nature, character, locality and description of which is as follows, to -wit:
in the roadway of the public alley in the block
bounded on th4 north by Keeney Street, on the south
by South Boulevard, on the east by Hiflman Avenuep
and on the west by Chlrago Avonue, .in the City o
Evanston, County of }Conk., State of Illinois, be
impxo red by grading* ,,onstructing necessary storm
sr.�urers and drainagi strticturesv and paving to a
Width of Ainetoon (19) feet with t Portiend Cement
Concrete pavement eight (8) inches thickt
and as part of said Ordinance and in conjunction therewith, said Board also herewith submits the Plans and
Specifications of and an Estimate of the cost of said improvement, including the cost of engineering services,
as finally determined by said Board; and said Board hereby recommends the passage of said Ordinance and
• the making of the improvement described therein.
Approved as to form::
Attorney for the Board of Local Improvements
of the City of Evanston, Illinois.
Respectfully submitted,
BOARD OF LOCAL IMPROVEMENTS
of the City of Evanston, Illinois.
by ---------------------------------------------------- --
- ----------------
Jam,es F" Moring.,,, President
J» Co P19hett
H, R. Frye
Akobert W. Pheiffer
-------------
consti�u�i�igfnao�tiy the members of said
Board.
-0
•
RESOLUTION, SPECIFICATIONS, ESTIMATE AND PLANS
RESOLUTION FOR LOCAL IMPROVEMENT
RESOLVED, By the Board of Local Improvements of the City
of Evanston, County of Cook, State of Illinois, that a local improve—
ment to be paid for by special assessment in accordance with the
provisions of Division 2 of Article 9 of the Illinois Municipal
Code effective July 1, 1961 be and the same is hereby originated
to be made within said City of Evanston, as follows:
That the roadway of the public alley in the block
bounded on the north by Keeney Street, on the south by South
Boulevard, on the east by Hinman Avenue and on the west by Chicago
Avenue, in the City of Evanston, County of Cook, State of Illinois,
be improved by grading, constructing necessary storm sewers and
drainage structures, and paving to a width of nineteen (19) feet
with a Portland Cement Concrete pavement eight (8) inches thick,
as follows:
(The aforesaid Resolution includes the following attached
Specifications, Estimate and Plans).
08
2-67
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•
SPECIFICATIONS
LOCATION OF PAVEMENT
The center line of the pavement herein provided to be
constructed shall coincide with the center line of the alley within
which said pavement is included.
WIDTH OF PAVEMENT
The width of the pavement herein provided to be constructed
shall be nineteen (19) feet.
GRADE OF PAVEMENT
The grade of the upper surface of the finished pavement
herein provided to be constructed is hereby established as follows,
measured in feet and decimal parts of a foot above the datum plane
of the City of Evanston, to —wit:
Transverse Section of Alley Outer Edge Center Line
of Pavement of Pavement
At the north line of
South Boulevard 22.00 22.00
At a point twenty (20) feet
north of the north line of
South Boulevard 22.50 22.25
At a point one hundred fifty
(150) feet north of the north
line of South Boulevard 24.00 23.75
At a point two hundred fifty
(250) feet north of the north
line
of South Boulevard
23.50
23.25
At a
point three hundred
forty—two
(342)
feet north of the
north
line
of South Boulevard
23.90
23.65
At a
point five hundred
thirty—eight
(538)
feet north of the
north
line
of South Boulevard
22.20
21.95
At a
point six hundred nine (609)
feet
north of the north
line of
South Boulevard
21.70
21.45
09
•
•
Page 2 - Grade of Pavement :
At a point six hundred seventy-eight
(678) feet north of the north line
of South Boulevard 20.60 20.35
At the south line of Keeney Street 20.75 20.75
J
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• ALLEY PAVING
The grade of the center line and outer edges of the pavement at
intermediate points shall be respectively proportional to the foregoing.
The upper surface of the pavement herein provided to be constructed,
when completed, shall conform to the arc of a circle passing through
the respective grade points at the center line and at the outer edges
of the pavement, and shall be true and symmetrical.
GENERAL
The improvement herein provided to be constructed shall be con-
structed in accordance with the "Standard Specifications for Road and
Bridge Construction", prepared by the Department of Public Works and
Buildings of the State of Illinois and adopted by said department
Jan. 2, 1958, and Revisions and Additions thereto, together with the
following Special Provisions. In case of conflict between said speci-
fications and these Special Provisions, said Special Provisions shall
take precedence and shall govern. Said specifications are on file and
may be inspected at the office of the Public Works Director, Municipal
Building, Evanston, Illinois.
The following terms appearing in said specifications shall be
interpreted as follows:
"STATE" shall mean 4'CITY OF EVANSTON".
• "DEPARTMENT OF PUBLIC WORKS AND BUILDINGS" shall mean "DEPART-
MENT OF PUBLIC WORKS" of the City of Evanston.
"ENGINEER" shall mean "CITY ENGINEER" of Evanston.
EXAMINATION OF SITE OF WORK: The bidder shall, before submitting
his bid, carefully examine the specifications and proposal. He shall
inspect in detail the site of the proposed work and familiarize himself
with all the local conditions affecting the contract and the detailed
requirements of construction. If his bid is accepted, he will be re-
sponsible for all errors in his proposal resulting from his failure or
neglect to comply with these instructions.
PROPOSAL GUARANTY: Each proposal shall be accompanied by a
certified check on a responsible bank in the amount of ten percent (10%)
of the gross sum shown in the proposal. The certified checks of the un-
successful bidders shall be returned upon the award of contract. The
certified check of the successful bidder shall be retained only until
his bonds are approved and the contract signed.
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12
WORKMEN'S COMPENSATION AND PUBLIC LIABILITY: The successful bid-
der at the time of execution of the contract shall furnish evidence of
an Illinois Workmen's Compensation Policy, and shall also be required
to carry full liability insurance protecting the City of Evanston
against all claims for accidents to workmen, other persons or property.
PERFORMANCE BOND: Within ten days after receiving notice to the
award the successful bidder shall execute, in quadruplicate, a contract.
with the City of Evanston for the complete performance of all work there-
in specified and shall furnish a surety bond satisfactory in form to the
Corporation Counsel, in the penal sum equal to one-third (1/3) of the
estimated aggregate amount of the contract. The condition of said bond
shall be that the bidder will faithfully keep and perform all the cove-
nants and agreements in the manner set forth in the contract. Said bond
shall be executed by the bidder as principal and by a reliable surety
company as surety. The surety company shall be duly authorized by law
to execute and deliver such bond in the State of Illinois and shall be
acceptable to the City of Evanston. Said bond shall remain in full force
and effect during the life of the contract and shall be held in the cus-
tody of the Public Works Director.
MAINTENANCE BOND: The Contractor will be required to furnish a
maintenance bond to the City of Evanston, in a sum equal to one-third
(1/3) of the contract price, guaranteeing improvement against all de-
fects arising from poor material or poor workmanship for a period of
two (2) years from the date of acceptance and completion thereof.
SPECIAL EXCAVATION: Prior to laying down the pavement thereon, the
• alleys herein specified to be paved shall be cleaned in a thorough and
workmanlike manner of all debris and rubbish such as deteriorated pave-
ments, crossings, box drains, culverts, trees, stumps, etc. Excavation
shall be done in accordance with the requirements of Section 14 of the
"Standard Specifications".
Such portions of the excavated material as shall be selected by the
Engineer shall be hauled by the Contractor, to, and dumped at, locations
within the City of Evanston to be designated by the Engineer.
PREPARATION OF SUBGRADE: The subgrade shall be constructed so as
to have as nearly as practicable, a uniform density throughout its en-
tire width. Compression of the subgrade material shall be accomplished
by successive operations of a self-propelled tandem roller, weighing not
less than three (3) nor more than five (5) tons. Portions of the sub -
grade inaccessible to the roller shall be wetted and tamped solidly with
a hand tamp weighing not less than fifty (50) pounds and not to exceed
one hundred (100) square inches in area. All soft, spongy or yielding
spots and all vegetable or other such objectionable materials shall be
entirely removed and the space refilled with sandy soil. Any depressions
that appear during the rolling shall be filled with sandy soil and rolled
until the whole shall be uniformly compact and firm.
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1. 3
Rolling shall continue until the subgrade is uniformly compacted,
brought to a true shape and to an elevation uniformly eight (8) inches
below the established grade and cross sectional contour of the top of
• the pavement. Where the soil in the alley consists of sand or sandy
soil incapable of compaction by rolling or tamping, said compaction
shall be accomplished by thoroughly flooding the subgrade. After
being prepared in the above manner the subgrade shall be so maintained
until the pavement has been placed thereon.
CHECKING AND ACCEPTANCE: Immediately before the pavement is laid,
the subgrade shall be checked by means of an approved template, shaped
on the under side to conform to the lower surface of the finished pave-
ment, or by a method of testing approved by the Board of Local Improve-
ments. All high places shall be removed to true grade and any low places
filled with sandy soil and rolled or hand tamped until smooth and firm.
The subgrade shall be checked and completed in accordance with these re-
quirements for a distance of not less than one hundred (100) feet in
advance of the pavement. If hauling over the subgrade after it has been
finished and checked as specified results in ruts or other such ob-
jectionable irregularities, the contractor shall reroll or hand tamp
the subgrade and place it in smooth and satisfactory condition before
the pavement is deposited upon it. If the condition of the subgrade is
such that it cannot be placed in satisfactory condition to receive the
pavement, paving shall be stopped by the Engineer unless the contractor
provides and hauls over suitable trackways or uses other means for the
protection and maintenance of the subgrade. The cost of subgrade prepara-
tion and all excavation and replacement required by these specifications
shall be included in the unit price bid for Special Excavation.
SEWER CONNECTIONS: All existing connections to the present sewer
. shall be protected against damage during the construction of this proposed
improvement. Any connections damaged shall be repaired immediately by
the Contractor at his own expense.
TRENCH BACKPILL: This item shall consist of furnishing sand or
stone screenings from beyond the limits of this improvement, placing it
where directed by the Engineer and puddling same with water until settle-
ment is complete. It shall be used for backfilling trenches, between
new retaining walls and existing foundation walls, building foundations,
water main excavations and any other cavity which may occur in the area
of this improvement or where the inner edge of a trench is within two
feet of the edge of this improvement.
PORTLAND CEMENT: Portland cement used in Portland Cement Concrete
pavement, Portland Cement Concrete Base Course, Portland Cement Concrete
Curb, Portland Cement Concrete Sidewalk and Class "XII Concrete shall
comply with the requirements of Specifications for Air Entraining Cement
for Concrete Pavements, A.S.T.M. Designation: C 175, Type 1-A.
All portland cement used in this contract shall be included in the
contract unit price for the several payment items involved.
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14
PORTLAND CEMENT CONCRETE PAVEMENT: Portland Cement Concrete Pavement
shall be constructed in accordance with Section 48 of the "Standard Speci-
fications", except that the final finish shall be obtained by the use of
two (2) separate burlap drags, having a double thickness, be at least four
(4) feet wide and two (2) feet longer than width of slab under construc-
tion. The burlap shall be attached to a bridge riding on pavement forms
and be kept saturated while in use. It shall be laid on the pavement
surface and dragged in the direction pavement is being laid, with approx-
imately two (2) feet of width in contact with the pavement surface. The
burlap drag shall be kept clean and free of hardened concrete.
The Engineer may require changes in belting, burlapping and equipment
to produce desired final surface texture.
Payment for PORTLAND CEMENT CONCRETE PAVEMENT shall be based on pave-
ment cross section with an eight (8) inch uniform thickness. Contract
unit price for PORTLAND CEMENT CONCRETE PAVEMENT shall include payment
for all material, labor and equipment necessary for the construction of
this pavement.
LONGITUDINAL CENTER JOINTS: The concrete pavement shall be built
so as to have a longitudinal center joint. Said longitudinal joint shall
extend along the center line of the pavement the entire length of the im-
provement. The joint shall be made by installing a specially built metal
strip which will separate the concrete. The said strip shall be made of
No. 18 gauge sheet steel seven and one-half (72) inches in width, and
shall be delivered on the work in ten (10) foot lengths. Said strip shall
have a trapezoidal corrugation along the center therof, two and one-half
(22) inches in vertical dimension and one (1) inch in horizontal dimension.
Adjoining strips shall butt each other tightly and be securely fastened
by means of metal clips. Said strip shall extend vertically from the base
of the concrete pavement to one-half (2) inch below the top of the finished
surface of the pavement and shall be held securely in vertical position to
straight alignment, by means of steel pins, left in place, driven vertically
through holes punched through said strip and not to exceed two and one-half
(22) feet centers. The pins used shall be three -eights (3/8) inch in dia-
meter and not less than fifteen (15) inches in length. Deformed steel tie
bars one-half (2) inch in diameter and two and one-half (22) feet in length
shall be placed through the longitudinal joint in openings punched for
that purpose, which openings shall be along the center line of said strip
so spaced as not to exceed two•and one-half (22) feet centers. Each bar
shall be held rigidly in horizontal position during the placing of the
concrete by the use of two (2) metal bar chairs driven into the subgrade.
A template shall be used to install the strip vertically to straight
alignment prior to the deposition of the concrete and the joints shall
not be displaced during the finishing operation. Furnishing all material,
labor and equipment for installing of said longitudinal joint and tie
bars shall not be paid for directly, but shall be considered incidental
to the construction of the Portland Cement Concrete Pavement.
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.1 5
TRANSVERSE EXPANSION JOINTS: Transverse expansion joints shall be
placed throughout the entire improvement across the concrete pavement
at right angles to the center thereof and at intervals of one hundred
• (100) feet measured along said center line. The expansion joints shall
be made by placing and leaving in place prior to laying the concrete
mixture for the pavement, a bituminous premoulded joint filler con-
forming to the requirements of Article 129.4 or 129.5 of the "Standard
Specifications." Said joint filler shall be three fourths (3/4) inch
in thickness and shall extend vertically from a point one (1) inch
below the top of the subgrade to a point one half (2) inch below the
finished grade of the pavement. The intervening space between the
top of said joint filler and the finished grade of the pavement shall
be filled with Asphalt P.A.F.-3.
Load transfer across said expansion joints shall be accomplished
by installation of three -fourths (3/4) inch round smooth steel bars
eighteen (18) inches long at fifteen (15) inch centers through said
joint filler, or by other load transfer device approved by the Engi-
neer. One end of each of said steel bars shall be furnished with a
metal or fibre cap to provide one (1) inch of expansion space. Said
steel bars shall be maintained rigidly in proper alignment by approved
means.
All manhole frames and other fixed objects, with the exception of
frames otherwise mentioned in those specifications, shall be separated
from the concrete pavement by a joint filler of the same thickness and
character as hereinbefore specified for expansion joints, which joint
filler shall extend through the entire thickness of the pavement.
Said joint filler shall be placed in such a manner as to form a square
whose sides will be fifteen (15) inches from the upper outside edges
• of the frames.
Furnishing all labor, equipment, and materials for installation
of said expansion joints. Load transfer devices and reinforcing steel
shall not be paid for directly, but will be considered incidental to
the construction of the Portland Cement Concrete Pavement.
CONTRACTION JOINTS: Sawed contraction joints or other type of
contraction joints which may be approved by the Engineer, shall be
placed throughout the entire improvement across the concrete pavement
at right angles to the center thereof at intervals of twenty-five (25)
feet between expansion joints and in accordance with the detail shown
on plans.
Furnishing all labor, equipment, and materials for the installa-
tion of said contraction joints including dowel bar assembly shall not
be paid for directly, but will be considered incidental to the con-
struction of the Portland Cement Concrete Pavement.
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MIXING AND PLACING CONCRETE: Concrete shall be mixed and placed
in accordance with the requirements of Section 48 of the 14Standard Speci-
fications", insofar as the same may apply. While being placed the con-
crete shall be vigorously sliced and spaded to eliminate voids or honey-
comb pockets. The concrete shall be especially well spaded and tamped
against forms and bulkheads. The concrete shall be struck off, so that
the upper surface shall conform to and be sufficiently higher than the
contour.herein specified for the upper surface of the finished pavement,
to give the specified thickness of pavement herein required. The strike
board shall be moved forward with a combined longitudinal and transverse
motion, and so manipulated as to tamp the concrete thoroughly. A slight
excess of material shall be kept in front of the cutting edge at all times.
The entire area of the pavement shall be struck off and tamped, so executed
as to insure maximum compaction.
FINISHED CONCRETE: After the tamping has been completed, the pavement
shall be rubbed smooth of all ridges and depressions and brought to a true
and even surface by the use of wooden floats. A split float, shaped on
the under side to conform to the contour of the pavement, shall be used
for finishing the concrete on both sides of the longitudinal joints, here-
inbefore specified. The edges adjoining the transverse expansion joint
and the form, shall be tooled with an edging tool, having a radius of one -
quarter (4) inch.
After the floating has been completed, the surface of the pavement
shall be tested with a notched straight edge, ten (10) feet in length.
This straight edge shall be placed over the transverse joints and between
the same at frequent intervals, parallel to the center line of the pavement
and moved across from side to side. Any variation in excess of one -eighth
(1/8) inch above or below the general established contour of the pavement
•. shall be rubbed with a long handled float and the irregularities corrected
until the straight edge shall show a bearing for its entire length.
Workmen shall not walk on freshly laid concrete and no one shall be
allowed on the concrete after it has been worked into form and shape until
it has entirely hardened. The entire surfacing of the concrete pavement
shall be done from a bridge, not less than one (1) foot in width which
shall not come in contact with the concrete pavement at any point. Two
(2) of said bridges shall be provided for each concrete mixing gang. Two
bridges shall be maintained in constant readiness to be immediately moved
into position, to provide access for finishing, tooling and edging joints,
adjusting filler and refinishing damaged portions of the finished surface.
PROTECTION AND CURING: Protection and curing shall comply with the
requirements of Section 48 of the 19Standard Specifications".
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P �-q, J
STORM SEWERS
• For the purpose of carrying off storm waters from the surface of
the pavement herein provided to be constructed, storm sewers of clay
sewer pipe or concrete sewer pipe shall be laid as hereinafter specified.
Said sewers shall be laid in open trenches in the ground in such
manner as to conform to the elevations, lines and grades hereinafter
specified in accordance with the requirements of Section 66 of the
"Standard Specifications", and shall be designated as Storm Sewers Type-2.
The pipe used in the construction of said sewers shall be of the
type known as "Bell and Spigot" having an internal diameter of 8
inches. Where required for connections from catch basins or manhole -
catch basins, 8t, "Y91 branch shall be furnished and set in said
sewer.
The material excavated shall be kept compactly along the sides of
the trenches and shall be backfilled as soon as practicable in order to
occasion the least possible inconvenience to the public in the use of
the street or alley as the case may be, but prior to said backfilling
and immediately after the laying of the pipes, bank sand shall be
carefully packed under, around and over the pipes in such manner as to
compactly fill the trenches to a depth of twelve (12) inches above the
top of the pipes. Where material excavated is not such as can be readily
compacted in said trenches, same shall be replaced with bank sand, as
directed by the Engineer.
The open and unconnected ends of said sewers shall each be securely
• closed with a salt glazed, vitrified tile disc and sealed in the manner
specified for joints between pipes.
BASIS OF PAYMENT: This work will be paid for at the contract unit
price per lineal foot for Storm Sewer Type-2, of the diameters specified,
measured in place, which prices will be payment in full for all trench
excavation, backfilling with excavated material or bank sand, and for
all labor, materials and equipment, including "Y" branches, to complete
the installation of the sewer, in place, including connections to
existing sewers. "
Said sewer or sewers as the case may be, shall be laid as follows,
to -wit:
(SEE ATTACHED SHEET)
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RUI
Beginning at the manhole to be constructed in the center line
of Hinman Avenue ten (10) feet south of the north line of South
Boulevard extended across Hinman Avenue and extending therefrom
two hundred twenty (220) feet west.
At the aforesaid point of beginning the elevation of the inside
bottom of said sewer shall be eleven and fifty hundredths (11.50) feet
above the datum plane of the City of Evanston and shall thence rise
at a uniform rate to an elevation of fourteen and seventy hundredths
(14.70) feet at its terminus.
Beginning at the manhole to be constructed on the center line
of the alley extended south, ten feet south of the north line of
South Boulevard and extending therefrom a distance of thirty (30)
feet north.
At the aforesaid point of beginning the elevation of the inside
bottom of said sewer shall be fourteen and seventy hundredths (14.70)
feet above the datum plane of the City of Evanston and shall thence
rise at a uniform rate to an elevation of fourteen and ninety hundreths
(14.90) feet at its terminus.
Beginning at the manhole-catchbasin to be constructed in the
center line of the alley thirty (30) feet north of the north line
of South Boulevard and extending therefrom a distance of two hundred
thirty (230) feet north.
At the aforesaid point of beginning the elevation of the inside
bottom of said sewer shall be seventeen and fifteen hundredths (17.15)
feet above the datum plane of the City of Evanston and shall thence
rise to an elevation of eighteen and thirty (18.30) feet at its
terminus.
Beginning at the existing manhole in the center line of Keeney
Street and the west line of the alley extended and extending therefrom
a distance of sixty-six (66) feet south.
At the aforesaid point of beginning the elevation of the inside
bottom of said sewer shall be thirteen and fifty-five hundredths (13.55)
feet above the datum plane of the City of Evanston and shall thence rise
to an elevation of fourteen (14.00) feet at its terminus.
Eight (8) inch storm sewer shall be used to connect proposed
manhole-catchbasins to proposed sewers.
Is
Alley Pavinq
M A N H O L E S
. Manholes shall be built of hard burned sewer brick, or concrete
block upon the sewer hereinbefore provided to be constructed and shall
be located at points hereinafter specified.
Said manholes shall be cylindrical in shape having an internal
diameter of forty—eight (48) inches at the upper surface of the base
and upward to a point thirty (30) inches below the top of masonry, and
shall then be uniformly drawn in to twenty—four (24) inches in inter—
nal diameter at the top of the masonry, to fit the iron frame herein—
after specified to be furnished and set on the walls of said manhole.
The walls of said manhole shall rest upon the base thereof without
offsetting and shall be eight (8) inches thick, for brick, and five (5)
inches thick for concrete block. The brick or block used in the con—
struction of said manhole shall be laid in a mortar composed by volume
of one (1) part of Portland cement and two (2) parts of clean sharp sand
mixed with sufficient clean water to give proper plasticity. The masonry
joints shall be neatly pointed and made secure against leakage.
The base of said manhole shall begin at a point five (5) inches
below the outside bottom of the sewer hereinbefore specified and shall
extend upward to said outside bottom and along the sides of said sewer
to a point midway between the top and bottom of said sewer. Said base
shall be circular in form, and the diameter shall be such that the walls
of the manhole shall rest entirely on the base and shall be constructed
of Class X concrete conforming to the requirements of Section 52 of the
"Standard SpecificationsU. That portion of the upper half of the sewer
included in said manhole shall be neatly removed, leaving the lower
40 half thereof to form the invert of the manhole.
Said manhole shall be equipped and fitted with a circular cast
iron frame, closed lid, of the type hereinafter specified.
BASIS OF PAYMENT: This work will be paid for at the contract unit
price for P1Manholes With Cast Iron Frame and Closed Lid" and for IvEight
(8) inch Storm Sewers, Type-211, when said sewers are required for trapped
connections which prices will be payment in full for all excavation,,
for backfilling with excavated material or with bank sand, and for all
labor, equipment and material, including cast iron frame and lid, to
complete the installation of manholes, and trapped connections to sewer.
Said manholes herein provided to be constructed, referring to the
vertical axis thereof, shall be located as follows:
One (1) on the center line of the alley extended south, ten (10) feet
south of the north line of South Boulevard.
One (1) in the center line of Hinman Avenue ten (10) feet south of the
north line of South Boulevard extended across Hinman Avenue.
10
11-60
0
Alley Paving
MANHOLE -CATCH BASINS
AND
CATCH BASINS
• Catch basins shall be constructed of hard burned, sewer brick or
concrete block. Said Catch basins shall be cylindrical in shape having
an internal diameter of forty-eight (48) inches at the bottom and up-
ward to a point thirty (30) inches below the top of masonry and
shall then be uniformly drawn in to twenty-four (24) inches at the top
of the masonry,, to fit the iron cover hereinafter specified to be fur-
nished and set on the walls of said catch basins.
Said catch basins shall have walls eight (8) inches thick, for
brick, and five (5) inches thick for concrete block. The brick or
block used in the construction of said catch basins shall be laid in a
mortar composed by volume of one (1) part of Portland Cement and two
(2) parts of clean, sharp sand mixed with sufficient clean water to
give proper plasticity. The masonry joints shall be neatly pointed
and made secure against leakage. Said catch basins shall rest on a
concrete bottom, six (6) inches in thickness, composed of Class X Con-
crete conforming to the requirements of Section 52 of the "Standard
Specifications", or precast reinforced concrete slabs not less than
twelve (12) inches in width and four (4) inches in thickness. The said
bottom shall be circular in form and the diameter shall be such that
the walls of the catch basin shall rest entirely on the base. The eleva-
tion of the bottom shall be determined by the Engineer.
Said catch basins shall be connected with the sewer now existing,
or herein provided to be constructed, as the case may be, in and along
the center line of said alley. Said catch basins shall be connected
• with the sewer aforesaid by means of clay or concrete sewer pipe, having
an internal diameter of 8 inches.
Said catch basin connection shall start in an 81, tryst
branch of the quality and laid in the manner required for storm sewers,
which "Y" branch shall be set in said sewer at a point eight (8) feet
in advance of the vertical axis of the catch basin measured along and -
in the down stream direction of the sewers. The pipe shall be laid true
to line and grade and the connection shall enter the catch basin through
the wall thereof at a point not less than two (2) feet above the top of
the bottom of said catch basin,. The pipe entering the catch basins through
the wall thereof, shall be a half -trap of 811 internal diameter.
Cost of furnishing and installing said half -trap shall be included in
contract unit price for S4Catch Basins".
Method of laying pipe and backfilling same shall comply with re-
quirements for stStorm Sewerstt.
Said catch basins shall be equipped and fitted with a circular cast
iron frame provided with a tight fitting perforated lid. Said lid
shall contain forty (40) perforations of substantially similar size and
shape and weigh one hundred twenty (120) pounds. The total area of said
4-6 5
Alley, Paving
perforations shall be forty-three percent (43%) of the total area of said
lid. Said lid shall be supported upon a circular flange or projection
cast upon the inside of said circular frame, in such manner as to bring
the upper surface of said lid, when in place, to the same elevations as
the top of the walls of said circular frame. Said circular frame shall
• weigh two hundred seventy (270) pounds, be of two piece construction, be
fifteen (15) inches high and have an internal diameter of twenty five (25)
inches at the base and twenty three (23) inches at the top thereof. The
edges of the frame and lid, where same adjoin each other when in place,
shall be machine turned in such manner as to leave said edges smooth and be
so shaped that said lid shall tightly fit into said frame so as to permit
no play between them.
Said catch basin frame herein provided to be furnished and set, shall
rest on the walls of the catch basin and shall be imbedded in a mortar of
the quality herein required for walls in said catch basin.
All cast iron used in making said cover shall be Gray Iron con-
forming to the Specifications for Gray Iron Castings, A.S.T.M. Designa-
tion: A48, Class 20.
BASIS OF PAYMENT: This work will be paid for at the contract unit
price for t+Catch Basins41 and for If 8 inch Storm Sewers, Type-2 It
which prices will be payment in full for all excavation, for backfilling
with excavated material or with bark sand, and for all.labor, equipment
and material, including cast iron frame and lid, to complete the in-
stallation of catch basins and connections to sewer.
Said catch basin herein provided to be constructed, referring to the
vertical axis thereof, shall be located as follows:
One (1) in the center line of the alley twenty (20) feet north of the
• north line of South Boulevard.
One (1) in the center line of the alley two hundred fifty (250) feet
north of the north line of South Boulevard.
One (1) in the center line of the alley twenty five (25) feet south
of the south line of Keeney Street.
12-64
CAST IRON FRAMES AND LIDS
The Cast Iron Frames and Lids to be furnished with the catch
basins or manholes to be constructed under this contract shall be
Gray Iron Castings conforming to the Specifications for Gray Iron
Castings, A.S.T.M. Designation: A 48, Class 20, and shall conform
to the following requirements:
TYPE-1 FRAME: For all paving surfaces, other than concrete,
catch basins or manholes shall be equipped and fitted with a circu-
lar cast iron frame, hereinafter referred to as a Type-1 Frame, and
a tight fitting open or closed lid. Said circular frame shall weigh
three hundred ninety (390) pounds, be of one piece construction, be
nine (9) inches high and have an internal diameter of twenty-four
(24) inches at the base and twenty-three (23) inches at the top there-
of. The edges of the frame and lid, where same adjoin each other when
in place, shall be machine turned in such manner as to leave said edges
smooth and be so shaped that said lid shall tightly fit into said frame
so as to pexmit no play between them.
Said frame herein provided to be furnished and set, shall rest
on the walls of the catch basin or manhole and shall be imbedded in
a mortar of the quality herein required for walls in said catch
basin or manhole.
TYPE-5 FRAME: For concrete pavements, catch basins or manholes
shall be equipped with a circular cast iron frame, hereinafter re-
ferred to as a Type-5 Frame, and a tight fitting open or closed lid.
Said circular frame shall weigh two hundred seventy (270) pounds,
be of two piece construction, be fifteen (15) inches high and have
an internal diameter of twenty-five (25) inches at the base and
twenty-three (23) inches at the top thereof. The edges of the frame
and lid, where same adjoin each other when in place, shall be machine
turned in such manner as to leave said edges smooth and be so shaped
• that said lid shall tightly fit into said frame so as to permit no
play between then.
Said frame herein provided to be furnished and set, shall rest on
the walls of the catch basin or manhole and shall be imbedded in a
mortar of the quality herein required for walls in said catch basin
or manhole.
OPEN LID: The open lid shall contain forty (40) perforations
of substantially similar size and shape and weigh one hundred twenty
(120) pounds. The total area of said perforations shall be forty
three per cent (43%) of the total area of said lid.
CLOSED LID: The closed lid shall weigh one hundred fifty (150)
pounds.
BASIS OF PAYMENT: No payment will be made for this item where
it is included in the cost of the structure to which it pertains.
Where this item is not included in the cost of the structure, it will
be paid for at the contract unit price each for Cast Iron Frames with
Open or Closed Lids, Cost of installing said frames and lids shall
be included in price bid for adjustment or reconstruction of catch
basins, manholes or valve vaults upon which they are to be placed.
7-65
,3
And that the estimate of the cost thereof, including labor,
• materials and all other lawful expenses attending the proceedings
for making said improvement and the cost of making and collecting
the assessment therefor as provided by law, and as made by the
Engineer of the Board, amounting in the aggregate to $19,732•20
and itemized as follows:
ESTIMATE OF ENGINEER OF BOARD OF LOCAL IMPROVEMENTS
To the Board of Local Improvements of the City of Evanston:
Pursuant to a Resolution of the Board of Local Improvements of
the City of Evanston, heretofore adopted, providing that the public
alley in the block bounded on the north by Keeney Street, on the south
by South Boulevard, on the east by Hinman Avenue and on the west by
Chicago Avenue, be improved by grading, constructing necessary storm
sewers and drainage structures, and paving to a width of nineteen (19)
feet with a Portland Cement Concrete pavement eight (8) inches thick.
Said improvement to be constructed in detail as specified in
aforesaid Resolution.
I herewith submit an estimate of the cost of such improvement as
described in said Resolution, including labor, materials and all other
lawful expenses attending the proceedings for making said improvement
and the cost of making and collecting the assessment therefor as pro-
vided by law, viz:
• ESTIMATE OF COST
465 cu. yds. of Special Excavation @ 3.50 $ 1,627.50
1650 sq. yds. of Portland Cement Concrete
Pavement, Eight (8) inches
thick, laid complete in
place @ 7.25 11,962.50
75
sq. ft.
Portland Cement Concrete
Sidewalk - 5Y4
@ .70
52.50
10
lin. ft.
Concrete Curb, Type B
@ 3.25
32.50
600
lin. ft.
of Storm Sewer,
Type-2, 81, diam.
@ 4.00
2,400.00
2
each
Manhole-catchbasin with
Type-5, frame and open
lid, complete in place
@275.00
550.00
1
each
Catchbasin with Type.-5,
frame and open lid, complete
in place
@275.00
275.00
n
4 �
•
Page 2 — Estimate of Cost continued:
2
each
Manholes with Type-1 frame
and closed lid, complete
in place
@275.00
$ 550.00
S
cu. yds.
Top Soil
@ 4.50
36.00
41
sq. yds.
Pavement Replacement —
Entire
@ 9.00
369.00
7
sq. yds.
Pavement Replacement —
Surface
@ 7.00
49.00
44
lin. ft.
3/4" Bituminous Expansion
Joint Material
@ .80
35.20
Cost of Engineering Services
. . . . .
. 717.00
For Lawful Expenses, etc, .
. . . . .
. 1,076.00
TOTAL . . . . . . . . . . . . . . . . . $ 19, 732.20
RECAPITULATION
Total Cost of Construction . . . . . . . . $ 17,939.20
Cost of Engineering Services . . .$ 717.00
For Lawful Expenses, etc. . . . . 1,076.00 1,793.00
TOTAL COST OF IMPROVEMENT . . . . . . . . . $ 19,732.20
I hereby certify that in my opinion the above estimate does not
exceed the probable cost of the above proposed improvement and the
lawful expenses attending the same.
Engine V
h Board of Local Improvements
of the of/Evanston
3-67