[Ord. 90-4, 5-21-1990, § 1]
(a)
Plans and Specifications. Engineering plans and specifications that
do not comply with the following standards will not be approved.
(b)
Or Approved Equal. Wherever an article, material standard or equipment
is defined by describing a proprietary product, or by using the name
of a manufacturer or vendor, the term "or approved equal," if not
inserted shall be implied. The specific article, material standard
or equipment mentioned shall be understood as indicating the type,
function, minimum standard or design, efficiency, and quality desired,
and shall not be construed in such a manner as to exclude manufacturer's
products of comparable quality, design and efficiency. All materials
shall meet approval before they are incorporated into the public improvement.
(c)
Conflicting Provisions. In case of conflicts on certain material
and design requirements, these specifications and standards shall
take precedence and shall govern.
[Ord. 90-4, 5-21-1990, § 1; Ord. 2015-37, 8-17-2015]
(a)
Soil Survey. Soil survey data for the proposed site shall be compiled
by a recognized testing laboratory and include soil classification
and strata, Illinois bearing ratio, maximum density (Proctor) and
plasticity index. Borings shall be made to at least the depth of the
underground utilities and all boring locations noted.
(b)
Pavement Design. Width of rights-of-way, width of pavement and horizontal
and vertical alignment shall be in accordance with the subdivision
control regulation of this chapter or as stipulated by the Plan, Zoning
and Development Commission. The proposed pavement thickness shall
be designed in strict accordance with Section 7 of the State of Illinois
Design Manual. Engineering design data to be shown on the plans shall
include:
(1)
Class I, Class II or Class III roads and streets, as the case
may be, with anticipated structural design traffic and design period.
(2)
Minimum soil support IBR value.
(3)
Traffic factor and design thickness.
(4)
Base course and surface course, type and thickness with the
pavement material design coefficients listed. If proposed material
coefficients are not shown in the Design Manual, justification for
the coefficients used must be included.
(5)
Sub-base fill areas and proposed method of insuring the minimum
in-place compactive effort.
(c)
Curbing. Unless otherwise allowed by the Village Board, barrier type
curb and gutter conforming to State of Illinois standard 2130-3 shall
be used throughout.
(d)
Sidewalks. Sidewalks shall be provided in accordance with these subdivision
regulations.
(e)
Street Lights. Street lighting shall be designed to provide a minimum
maintained illumination of 0.4 foot-candles on residential streets,
0.9 foot candles on collector streets, and 2.0 foot candles on major
streets in accordance with current IES design practices. The street
light standard shall be served by underground circuits with 120/240
volt single phase, triplexed, cross-linked, polyethylene, 600 volt,
direct burial cable. Pedestal to lamp runs shall be no smaller than
#6 AWG. Direct burial cable shall run in rights-of-way or easements
only, and a minimum of 32 inches deep. All light standards shall be
mounted on a concrete pedestal of sufficient design dimensions, and
be equipped with individual photoelectric controls. If the street
lighting system will be served and switched from a single source,
the entire system, excluding the transformer that serves as the source
of power, shall be designed and provided by the developer. Such systems
shall be controlled by a pad mounted metal clad switching device to
include, but not be limited to, a photoelectric switching system,
a main controlling switch and a Commonwealth Edison approved metering
device. The system shall be guaranteed for one year and shall be deeded
to the Village. Luminaires and poles may be of a style chosen by the
developer for aesthetic reasons, but must be of top quality. Engineering
design, calculations, specifications and all materials shall be reviewed
and approved by the Village Engineer.
(f)
Landscaping. All parkways within the dedicated street areas or public
areas shall be graded and covered with a minimum of four inches of
topsoil. Trees shall be planted in parkways in accordance with the
subdivision regulations of this chapter.
(g)
Specifications. Earthwork, pavement, curb and gutter, sidewalks,
street lights and landscaping shall be designed, constructed and measured
for payment in accordance with the State of Illinois Department of
Transportation, Division of Highways "Standard Specifications for
Road and Bridge Construction," adopted January 2, 1971, the subdivision
regulations hereof, and these standards. Surface course for roadways
shall not be placed until all construction activity in the vicinity
has been substantially completed. The Village Engineer will provide
instruction on when surface course is to be placed.
[Ord. 90-4, 5-21-1990, § 1]
(a)
Topographic Mapping. Topographic mapping based on a one-foot contour
interval shall be supplied for the entire subdivision and the adjacent
property 100 feet beyond the tract. Datum used shall be USGS with
the bench mark clearly identified and shown.
(b)
Stormwater Releases. The allowable release rate for stormwater discharge
from a development shall comply with the subdivision regulations hereof;
retention or detention basins, when and where needed, shall meet the
approval of the Village Engineer with respect to capacity, outflow
rate, outlet structure, landscaping and other aesthetic considerations.
All calculations, design storms, hydraulic and hydrologic criteria
shall be submitted with the plans and specifications.
(c)
Inlets, Catch Basins, Manholes. Inlets will be required at maximum
400-foot intervals, at low points and corners and shall be connected
only to catch basins; catch basins three foot and manholes four-foot
diameter (five feet on sewers over 21 inches in diameter); all to
precast concrete. Manholes shall be provided with steps. Manhole frame
and closed lids shall be Neenah R-1015-B or East Jordan 1051. Inlets
and catch basins shall be located in the curb line and shall have
Neenah R-3080 frames and grates. For roll type curb and gutter, if
allowed, a Neenah R-3501-0 frame and grate shall be used. Manholes,
inlets and catch basins shall be thoroughly cleaned prior to acceptance.
(d)
Storm Sewer Pipe. Storm sewers shall be RCP of the appropriate class,
and sized according to the subdivision regulations and good engineering
practice. Other pipe materials may be used in specific instances with
the approval of the Village Engineer.
(e)
Ditches. Open ditches or swales will be allowed only in the specific
instances and will be subject to the approval of the Village Engineer.
(f)
Lot Grading. Each lot and block shall be graded to drain runoff away
from the building foundation. Minimum front lot slope shall be 2%;
minimum back lot slope shall be 1%. All corner lot and building line
elevations shall be established on the plans as well as top of foundation
elevation for all proposed buildings. Bench mark shall be based on
U.S.G.S. datum, clearly identified and locations shown on the plans.
(g)
Flood Plain. The Chapter 10 regulations as they pertain to flood plain building or filling shall be adhered to.
(h)
Specifications. Excavation, installation of storm sewers and culverts;
constructions of manholes, catch basins, and inlets; grading and ditching;
and landscaping shall be designed, constructed and measured for payment
in accordance with the state of Illinois department of transportation,
division of highways "Standard Specifications for Road and Bridge
Construction," adopted January 2, 1971, the subdivision regulations
of the Village and these standards.
(i)
Sump Pump Installations. Sump pump installations shall be accomplished
in such manner so as to prevent the discharge or overflow of storm
water onto adjoining property or upon any street or public way. No
sump pump shall be installed and connected to a sanitary sewer. Building
construction on parcels that are proximate to a storm sewer shall
cause footing drains from such structure to be connected to the storm
sewer system. Building construction on parcels that are proximate
to a retention pond may be required to have footing drains from such
structure discharged into a retention pond. Where footing drain tile
expels into a sump, the sump shall be equipped with a pump that shall
be so installed and connected so as to discharge either into a storm
sewer or a retention pond.
[Ord. 90-4, 5-21-1990, § 1]
(a)
Pipe. Pipe used in water main construction shall be cement lined
ductile cast iron conforming to A.S.A. specification A 21.51 (AWWA
C-151) with mechanical or push on joints. Each joint shall have two
serrated brass wedges driven into the opening between the plain end
and the bell until snug for electrical thawing. Minimum cover shall
be five feet. Ductile cast iron retainer glands shall be used instead
of reaction backing. All valves shall have four-foot inside diameter
vaults; all ten inch and larger valves shall have five-foot inside
diameter vaults. Frames and covers shall be Neenah R-1765 or equal.
The word "water" shall appear on the cover in raised letters. All
valves shall be (Mueller A2380-22) nonrising stem, mechanical joint
ends, 200 psi working pressure, 400 psi test pressure and shall be
installed with retainer glands. All valves shall open to the left.
(b)
Hydrants. Hydrants shall be Chicago-type hydrant red in color with
2 1/2 inch hose nozzles and steamer connection. Threads on nozzles
and operating nuts shall be national standard. Hydrants shall open
to the right and shall be so marked. All hydrants shall be backfilled
with one-half cubic yard of #2 stone and properly backed with reaction
backing against a solid wall. Hydrants shall be spaced in accordance
with the subdivision regulations.
(c)
Building Services.
(1)
Residential building services shall be one inch type K copper
utilizing a one inch corporation stop (Mueller 15000) with Mueller
type thread inlet c.c. flare outlet or equal.
(2)
All services two inch and larger shall be installed with tapped
sleeve and valve. Tapping sleeve shall be Mueller H 615 M.J. or equal.
Tapping valve shall be Mueller H 667 with O-ring seal and two inch
square operating nut, and installed in a concrete vault as detailed
in Subsection (a) above.
(3)
All one inch services shall have a ten-inch expansion loop;
the curb stop shall be Mueller H 15154 ori-seal, and the curb box
a Mueller H 10302 with 1 1/2 inch upper sections in the Minneapolis
pattern. Curb stop and curb box shall be installed eight feet from
the property line. All underground connections shall be copper flare.
(d)
Valve Boxes. Valve boxes for hydrant auxiliary valves shall be two
piece C.I. screw type Mueller H 10360 or equal.
(e)
Testing and Disinfection. Water mains shall be pressure tested for
two hours at a static pressure of 150 psi with allowable leakage not
to exceed 30 gallons per inch of diameter per 24 hours per miles of
pipe. Water main shall be disinfected in accordance with AWWA specification
C-601 and as required by the state of Illinois.
(f)
Specification. Water main, hydrants, valve and vaults, services,
shall be designed, constructed and measured for payment in accordance
with the "Standard Specifications for Water and Sewer Main Construction
in Illinois," first edition 1967, the subdivision regulations and
these standards. All materials shall meet the latest revised AWWA
specifications.
[Ord. 90-4, 5-21-1990, § 1]
(a)
Pipe. Sanitary sewers shall be constructed of truss pipe for sewer sizes eight inch through fifteen inch, and of reinforced concrete or other approved material for sizes greater than 15 inches. Pipe bedding shall be required throughout and the trench backfilled with compacted granular material to the top of the pipe. For granular material requirement see Section 46-5-6(a), trench backfill, of these standards.
(b)
Manholes. Manholes for sanitary sewers shall be precast concrete
four foot minimum diameter with precast bottoms cast integrally with
the barrel. Joints between precast units shall be sealed with a mastic
sealer and the sewer pipe to manhole joint shall be flexible gasket
or mechanical seal to insure a leakproof installation. Frame and cover
shall be Neenah R-1020 with concealed pick hole. The words "sanitary
sewer" shall appear on the cover in raised letters. Any manholes located
in pavement or areas prone to inundation shall be Neenah R-1775 with
the words "sanitary sewer" on the cover in raised letters. Manholes
shall have cast iron steps installed on maximum sixteen inch centers
(Neenah R-1981-J or equal).
(c)
Sanitary Sewer Services. Sanitary sewer services shall be a minimum
of six inches in diameter connected to the sewer main with the wye
at a minimum angle of 30°, a maximum angle of 45°, and extended
to the property line at a minimum gradient of 1%. Sanitary sewer service
connections to sewer mains 12 feet or more in depth shall be constructed
with a six-inch tee and riser, completely encased in concrete. Sanitary
services shall be terminated with a manufactured plug. Any service
entering a manhole shall be installed at the bench with a properly
installed drop assembly. The locations of all sanitary service lines
at the property line shall be staked and an accurate record kept of
the distance from the nearest downstream manhole.
(d)
Testing. All sanitary sewers including service lines shall pass a
100 gallon per inch diameter per mile per day infiltration or equivalent
low pressure air test at the option of the superintendent of the water
department before final acceptance. In addition, closed circuit televising
of all sewer mains at the owner's expense shall be performed by a
recognized televising firm in the presence of the superintendent of
the water department or his authorized representative before final
acceptance.
(e)
Specifications. Sanitary sewer mains, manholes, sanitary services
and appurtenances shall be designed, constructed and measured for
payment in accordance with the "Standard Specifications for Water
and Sewer Main Construction in Illinois" first edition 1967, the subdivision
regulations and these standards.
[Ord. 90-4, 5-21-1990, § 1]
(a)
Trench Backfill. All trenches for underground utilities falling under
and within two feet of a proposed paved surface shall be backfilled
with granular material consisting of state of Illinois gradation CA-6
or stone screenings conforming to the following gradients:
|
Sieve Size
|
Percentage Passing
|
|---|---|
|
1 1/2 inch
|
100
|
|
1 inch
|
95 ± 5
|
|
1/2 inch
|
75 ± 15
|
|
4
|
45 ± 10
|
|
16
|
25 ± 15
|
|
200
|
8 ± 4
|
Trench backfill shall be placed in uniform layers not
exceeding 12 inches (loose measure) and compacted with mechanical
equipment to 95% of maximum density in accordance with AASHO T-99.
This compactive effort is expected, and in-place tests confirming
this density may be required if compaction of 95% maximum density
is doubtful. Trench backfill shall be measured for payment in cubic
yards.
(b)
Inspection. Twenty-four hours' notice shall be given to the Village
Engineer, public works department and water department prior to construction
of the various public improvements. Public works shall be notified
on all street or drainage improvement construction and/or testing;
water shall be notified of all water main and sanitary sewer improvement
construction and/or testing. The Village Engineer shall be given separate
notice of all construction and/or testing.
(c)
Submitted. Plans and specifications must be accompanied by the final
plat, design date as required, and a detailed estimate of the total
construction cost.
(d)
Final Acceptance. In addition to the requirements and conditions
as set forth in the subdivision regulations for final acceptance,
a complete set of "as-built" drawings shall be submitted showing all
changes in plan, complete with a measured and dimensioned listing
of sanitary service locations. No final approval will be given until
the work site is left in a neat and workmanlike condition.
[Ord. 90-4, 5-21-1990, § 1]
All construction contracts entered into with the Village and
all other contracts entered into by and between any person for the
construction or installation of public improvements, including streets,
sidewalks, curb and gutters, water main, sanitary and storm sewers,
street lights, water reservoirs, drainage retention or detention areas,
public buildings, water hydrants, park and parkway tree removal or
replacement, and any other improvement for public use shall, as a
minimum contain the following contractor requirements:
(a)
The contractor shall file a copy of the project plans and specifications
with the Village building commissioner.
(b)
The contractor shall obtain and keep in effect throughout the contract
period a performance and a labor and material bond in the contract
amount.
(c)
The contractor shall furnish a one-year maintenance bond in an amount
determined by the Village to insure the timely repair or replacement
of faulty workmanship or materials.
(d)
The contractor shall maintain in force throughout the contract period
public liability insurance in an amount sufficient to protect the
contractor and the Village against risks of damage or injury (including
death) to persons or property wherever located, resulting from any
action or operation under the contract or in connection with the work.
The limits of liability shall not be less than $300,000 for injury
to one person or a maximum sum of $1,000,000 for personal injuries
in any one accident and not less than $50,000 for damage to property
in any one occurrence. Such insurance shall be issued by a company
authorized to do business in the state of Illinois, and such insurance
shall further provide that it shall not be cancelled unless 10 days'
advance notice in writing to the Village shall be made. A copy of
the insurance policy or a certificate thereof, shall be filed with
the Village building commissioner.
(e)
The contractor shall maintain in force throughout the contract period
automobile liability insurance covering all owned or rented vehicles
and moving equipment used in connection with the work, and insuring
the contractor and the Village for all damages or personal injury
growing out of such use in the maximum limit of $100,000 in any one
occurrence, and for all damages to personal property in the maximum
limit of $500,000 for any one occurrence. Such insurance shall be
issued by a company authorized to do business in the state of Illinois,
and such insurance shall provide that it shall not be cancelled unless
10 days' advance notice in writing to the Village shall be made. A
copy of the insurance policy, or a certificate thereof, shall be filed
with the Village building commissioner.
(f)
The contractor shall maintain in force throughout the contract period
workman's compensation and employer's liability insurance in an amount
sufficient to protect the contractor and the Village from any liability
or damage for injury (including death) to any of the contractor's
employees, including any liability or damage which may arise by virtue
of any statute or law in force or which may hereafter be enacted.
Such insurance shall be issued by a company authorized to do business
in the state of Illinois and a copy or a certificate thereof shall
be filed with the Village building commissioner.
(g)
The contractor shall provide an indemnity bond in a form to be approved
by the Village Attorney.
(i)
The contractor shall comply with equal employment opportunity provision
and nondiscrimination provisions to insure that the contractor will
not discriminate against any employee or applicant for employment
because of race, color, religion, sex, national origin or ancestry,
physical or mental handicap unrelated to ability, and further that
the contractor will examine all job classifications to determine if
minority persons or women are underutilized and will take appropriate
affirmative action to rectify any such underutilization.
(j)
The contractor shall use proper warning guards and safety devices
with respect to the construction area and particularly with respect
to open trenches and the storage of construction materials.
(k)
The contractor shall keep a daily record with respect to all injuries
or incidents of damage occurring in, on or near to the construction
site or as a result of the contractor's construction activities, and
such information shall be supplied to the Village building commissioner
within 24 hours after the day of occurrence.
(l)
No trees, fire hydrants, utility poles, shrubs or hedges, traffic
signs, or other public structures shall be removed, replaced, damaged
or destroyed unless and until approval for such removal, replacement,
damage or destruction has first been obtained from the Village and
forwarded to the contractor, in writing, under the signature of the
Village building commissioner or of the project Village Engineer.
(m)
The contractor shall conduct his construction activities so as not
to interfere with, break, cut, or otherwise damage any public curb,
or public road pavement or any utility services located along side
of or under or within any public road or public right-of-way area,
unless and until approval for such action is first obtained from the
Village and a letter of such approval is delivered to the contractor
under the signature of the Village building commissioner or the project
Village Engineer.
(n)
Notwithstanding the foregoing requirements, the contractor shall
be responsible for taking immediate steps to correct any damage or
injury done to public structures, utility services, roadways, or public
buildings as well as any damage or injury occasioned to private property
as a result of the contractor's activities pursuant to construction
of public improvements.
