City of Cahokia Heights Il Sanitary Sewer System Targeted Dry-weather Sso Investigation Plan November 2021


CITY OF CAHOKIA HEIGHTS, IL
SANITARY SEWER SYSTEM

TARGETED DRY-WEATHER SSO INVESTIGATION PLAN

PREPARED FOR REVIEW AND APPROVAL BY:

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY - REGION 5

ENFORCEMENT AND COMPLIANCE ASSURANCE DIVISION

AS REQURIED UNDER:

ADMINISTRATIVE ORDER ON CONSENT

UNDER SECTION 309(a) OF THE CLEAN WATER ACT, 33 U.S.C. § 1319(a)

DATED AUGUST 16, 2021

PREPARED BY

5 Bank Square
East St. Louis, IL 62203
(t) 618.398.0890

www.hurst-rosche.com

Hurst-Rosche, Inc.

November 2021

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EXECUTIVE SUMMARY

The City of Cahokia Heights, newly formed from consolidation of the former communities of
Alorton, Centreville and Cahokia, plus the Commonfields of Cahokia Public Water District, is
located in the southwestern portion of St. Clair County, IL, and in the region known as the
American Bottoms. The Bottoms are a floodplain of the Mississippi River, between the current
east riverbank and the line of limestone bluffs more or less parallel to Illinois Rt. 157, being
part of the ancient riverbed, protected from surface water flooding by riverfront levees and
interior levees and drainage canals, but subject to frequent groundwater flooding from
seasonal precipitation and river level surcharges.

This plan, designed to describe steps to be taken to counteract and prevent sanitary sewer
overflows (SSO's) during dry weather, will detail the problem areas, probable causes of the
SSO's, characteristics of the sewer system in these targeted areas, corrective actions proposed,
and an estimate of costs and timeline for completion of the actions.

These descriptions and information are grouped together into a section on each of the three
targeted areas.

•	North 82nd Street

•	Pocket Road and Missouri Ave (Lift Station #5)

•	Lauralee Drive (Lift Station #22)

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BACKGROUND AND HISTORY

The City of Cahokia Heights was formed through a series of elections, consolidations, and
dissolutions from the former communities of Centreville, Alorton, and Cahokia, along with the
sewer and water systems owned and operated by the Commonfields of Cahokia Public Water
District, in early 2021. Prior to that time, these former municipal entities had tried for decades,
unsuccessfully, to keep up with needed operation and maintenance needs, combatting
frequent flooding disasters, causing millions of dollars of damages to infrastructure, along with
a dwindling tax base and limited annual funds to keep operating. With the consolidation of the
former communities into Cahokia Heights, and the combined new population of over 20,000
residents, an increased tax base, economies of scale, increased eligibility for state and federal
funds, and similar benefits, the City is better positioned to seek funds as well as operate and
maintain systems, once the needed repairs and upgrades are addressed.

The City now owns and operates a sanitary sewer collection system consisting of dozens of
miles of gravity sewer, pump stations, lift stations, and force mains, all designed to convey
sewage from residents and businesses in the City to a large pump station, which the pumps
then discharge to the regional WWTP, known as the American Bottoms Regional Wastewater
Treatment Plant, in adjacent Sauget, Illinois. The number of pump stations and lift stations is
significant (over 70 total), and could be considered a contributing factor to the difficulty of
operations and maintenance (O&M) of the system. These pump stations, many at least 50
years old, are so numerous and necessary because of the very flat topography in the Bottoms
region. This floodplain of the Mississippi River is protected from surface water inundation by
riverfront and interior levees and interior drainage ditches and canals, but is susceptible to
periodic and seasonal groundwater flooding from rising river levels, which saturate the
floodplain from underneath, and raise groundwater levels accordingly. The rise and fall of
these groundwater levels plays havoc with the sewer infrastructure, frequently causing
infiltration, subsidence, blockage of flow, sewer line failure, and backups and overflows.

The findings and compliance orders issued by the USEPA as part of the Administrative Order on
Consent on August 16, 2021, resulted from several inspections of the area and sewer systems
owned and operated by the City's predecessors from early 2021, prior to the incorporation of
the new City. The City entered into the Consent Order with EPA, which, among other
stipulations, requires investigative and action plans to address sanitary sewer overflows (SSO's)
and other system deficiencies, to ensure compliance with the Clean Water Act.

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The consent order focuses on three main locations of concern

• North 82nd Street

• Pocket Road and Missouri Avenue (Illinois Rt 15)

• Lauralee Drive

These three locations, and the plan to address dry weather SSO's at each, will be described and
discussed herein.

COLLECTION/CONVEYANCE SYSTEM AND PUMP STATION EVALUATION & ASSESSMENT
N. 82nd Street

This area consists of an 8" gravity flow sewer line in the middle of 82nd St., coupled with two lift
one

See attached sewer maps for more information.
A portion of the gravity line in 82nd Street - approximately^^^^^^^^^^^^^^J south,
immediately adjacent and downstream of the yard cleanout cited in the consent order - was
excavated and repaired in July 2021. Work included replacement of the entire reach of sewer
from manhole to manhole, CCTV of this repair, backfill, and surface restoration. This work
repaired the blockage causing backups in this area, and were directly related to the SSO's
coming from the broken yard cleanout. See attached plans of this completed work for more
information. Also, plans for rehab/replacement of the two lift stations are now complete, and
await funding and IEPA permitting for construction. See attached plans.

Additional investigation measures in this area are described below.

Flow Monitoring -

Acoustic inspection of flow between manholes utilizing sonic technology such as products and
equipment produced by Infosense, or similar, will be employed to determine specific reaches of
sewer line experiencing reduced flow or backups, and target these reaches for further
investigation via CCTV work to pinpoint repairs needed. It is anticipated that all sewer reaches
tributary to the two pump stations in the vicinity of 82nd St. would be inspected in this manner.

Visual Inspections -

As part of the flow monitoring step above, as manhole covers are removed and flow metering
devices are installed, a visual inspection of the manhole will be conducted from the surface to
determine general conditions, and a report made of observations. See attached Manhole
Inspection Report.

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CCTV -

As mentioned above, the reach of sewer contributing to the SSO from the cleanout on 82nd St.
was repaired in July 2021. Part of this repair included CCTV work of the completed repair. In
addition, should the above steps indicate that a potential blockage or other obstruction exist in
a sewer reach tributary to this area, cleaning and televising of that reach would be scheduled as
both an investigative and preventative measure.

Smoke Testing -

Smoke testing of sewers adjacent to and tributary to this area was conducted in May 2021, with
results indicating the presence of potential infiltration and inflow sources such as broken
cleanouts, improperly abandoned lots and structures, etc. This could be expected to be typical
of other areas in the Ping Pong neighborhood, for which additional smoke testing will be
conducted, to identify l/l sources and eliminate them. Results of this testing have been
provided to the IEPA, and are attached hereto.

Record keeping -

As discussed in each of the sections above, reports are generated by each process, and records
of these reports will be maintained at the City Water and Sewer Department offices.

Schedule - (see attached bar schedule)

Lift Station #5 (Pocket Road and Missouri Ave.)

This area consists of a shared 6" service line from two small motels - the DeLux Inn and the
Relax Inn, feeding into the small duplex submersible pump station, and a 2 V* inch force main
running flow out to Pocket Road, and then north to a discharge into a manhole in Pocket Road
near the intersection with 40th Street. See attached sewer plans of existing conditions for more
information.

Additional investigation measures in this area are described below.

Flow Monitoring -

Since no flows tributary to Lift Station #5 exist other than those coming from the 6" service line
from the Relax Inn motel, there is no flow monitoring to be done for this location.

Visual Inspections -

Inspection of the lift station (wet well, pumps, valve vault, site) have been conducted, with the
results incorporated into preliminary engineering plans and estimates for rehabilitation of the

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lift station, as part of a funding request via a grant application to the St. Clair County
Intergovernmental Grants Department currently in final review, and grant receipt expected any
time between October 2021 and the end of the year. Following receipt of funds, plans and
specs will be finalized, bids taken, and construction awarded.

CCTV -

There are no tributary areas to the lift station in question, other than the motel service line, and
therefore no sewer lines to televise.

Smoke Testing -

Similarly, there are no tributary areas or potential connections or l/l sources to smoke test for.
Record keeping -

Since results of inspections have already been incorporated into preliminary engineering
efforts, records will consist of the plans and specifications for the lift station work, construction
observation reports, and as-builts of the work performed.

Schedule - (see attached bar schedule)

Lift Station #22 (Lauralee Drive)

This area consists of two pump stations and associated gravity tributary sewers between
Lauralee Drive and Renois Blvd.

Some preliminary engineering, to evaluate options and compile preliminary cost estimates, has
been done. The preliminary plan is to replace the two existing pump stations on Lauralee with
one new pump station in the same vicinity, and one new pump station on Renois Blvd., to
remove the flow from this area currently going into Lauralee, and direct it south to an existing
gravity line in Renois Blvd that runs south into the main trunkline at IL Rt. 157. See plan sheet
of existing sewer locations for more information.

Additional investigation measures in this area are described below.

Flow Monitoring -

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Visual Inspections -

CCTV -

Should the above steps indicate that a potential blockage or other obstruction exist in a sewer
reach tributary to this area, cleaning and televising of that reach would be scheduled as both an
investigative and preventative measure.

Smoke Testing -

Smoke testing of areas tributary to Lauralee Drive and Renois Blvd. will be conducted to identify
l/l sources and eliminate them. Results of this testing will be recorded on the attached form
and include pictures like the ones attached for work done in the 82nd St. area.

Record keeping -

As discussed in each of the sections above, reports are generated by each process, and records
of these reports will be maintained at the City Water and Sewer Department offices.

Schedule - (see attached bar schedule)

FINANCING

Repairs planned or further indicated by investigation under this plan to address past SSO's in
the three target areas, or contributing conditions in tributary areas, will be financed through a
combination of local funds, county intergovernmental grants, and anticipated state grant funds.

Financing of ongoing operation and maintenance programs, including system analytics and
planning tools such as acoustic inspection, smoke testing, etc., will be financed through the
City's operating budget for the Water and Sewer Department. The City already has resources
and third party assistance to engage in smoke testing, and has made inquiries into purchasing
acoustic inspection equipment.

SCHEDULE

The implementation schedule for the plan described herein can be best understood by
examining the bar chart schedule included herein as an attachment.

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CITY OF CAHOKIA HEIGHTS, IL
SANITARY SEWER SYSTEM

TARGETED DRY-WEATHER SSO INVESTIGATION PLAN

PREPARED FOR REVIEW AND APPROVAL BY:

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY - REGION 5

ENFORCEMENT AND COMPLIANCE ASSURANCE DIVISION

AS REQURIED UNDER:

ADMINISTRATIVE ORDER ON CONSENT

UNDER SECTION 309(a) OF THE CLEAN WATER ACT, 33 U.S.C. § 1319(a)

DATED AUGUST 16, 2021

ATTACHMENTS

•	Sewer System Maps/Plans for Each Targeted Area

•	Plans of Completed Repairs to Sewer Line in N. 82nd St.

•	Plans for Rehabilitation of Lift Stations in N. 82nd St. Vicinity

•	Manhole Inspection Report

•	Smoke Test Report

•	Smoke Test Results and Photos of N. 82nd Street Vicinity

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CITY OF CAHOKIA HEIGHTS, IL
SANITARY SEWER SYSTEM
TARGETED DRY-WEATHER SSO
INVESTIGATION PLAN

LOCATION MAP

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CITY OF EAST ST. LOUIS, ILLINOIS

SEWER SYSTEM EVALUATION SURVEY

HURST-ROSCHE ENGINEERS. INC,

1400 EAST TREMONT
HILLSBORO, ILLINOIS

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|400 EAST TREMONT
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LIST OF STANDARDS

000001-08 STANDARD SYMBOLS, ABBREVIATIONS AND PATTERNS

280001-07 TEMPORARY EROSION CONTROL SYSTEMS

664001-02 CHAIN LINK FENCE

701301-04 LANE CLOSURE 2L, 2W, SHORT TIME OPERATIONS

701501-06 URBAN LANE CLOSURE 2L, 2W, UNDIVIDED

701901-08 TRAFFIC CONTROL DEVICES

GENERAL NOTES

1. THE PROJECT CONSISTS OF CONVERTING EXISTING SEWAGE EDUCTOR LIFT STATIONS AT |

82ND STREET TO SUBMERSIBLE DUPLEX LIFT STATIONS, INCLUDING REMOVAL AND REPLACEMENT OF LIFT
STATION PUMPS, CONTROL PANELS. VALVES, PRESSURE GAUGES, GUIDE BARS, FLOAT SWITCHES, LIFT
CABLES, DISCONNECT SWITCHES, POWER AND ALARM CABLES, DISCHARGE PIPE, WETWELL LID, VALVE
VAULT, AND ACCESS HATCHES. TOGETHER WITH RESTORATION OF ALL DISTURBED SURFACES AND ALL
OTHER INCIDENTAL WORK REQUIRED TO COMPLETE THE PROJECT.

2. CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE PLANS, "I.D.O.T. STANDARD SPECIFICATIONS FOR
ROAD AND BRIDGE CONSTRUCTION", ADOPTED APRIL 1, 2016, THE "STANDARD SPECIFICATIONS FOR
WATER &l SEWER MAIN CONSTRUCTION IN ILLINOIS, SIXTH EDITION", THE SPECIAL PROVISIONS AND ALL
LOCAL AND STATE CODES GOVERNING THE CONSTRUCTION OF THE PROPOSED FACILITIES.

3. RIGHT-OF-WAYS, PROPERTY LINES AND TOPOGRAPHY SHOWN HEREON HAVE BEEN TAKEN FROM THE
BEST AVAILABLE RECORDS AND MUST BE VERIFIED BY THE CONTRACTOR TO HIS OWN SATISFACTION.

4. TEMPORARY EROSION CONTROL MEASURES WILL BE USED TO CORRECT CONDITIONS THAT DEVELOPED
DURING CONSTRUCTION THAT WERE UNFORESEEN DURING THE DESIGN STAGE OR, THAT ARE NEEDED
TEMPORARILY TO CONTROL EROSION THAT DEVELOPS DURING NORMAL CONSTRUCTION PRACTICES.

5. THE EXISTING UTILITIES AND OBSTRUCTIONS SHOWN ARE FROM THE BEST AVAILABLE RECORDS AND
SHALL BE VERIFIED BY THE CONTRACTOR TO HIS OWN SATISFACTION BEFORE AND DURING
CONSTRUCTION. THE ENGINEER NOR THE OWNERS DO NOT WARRANT OR GUARANTEE THE
COMPLETENESS OR THE CORRECTNESS OF THE INFORMATION GIVEN.

6. PRIOR TO THE START OF CONSTRUCTION, THE CONTRACTOR SHALL ARRANGE TO HAVE ALL
UNDERGROUND UTILITIES INCLUDING WATER, GAS, ELECTRIC, STORM SEWER, TELEPHONE AND CABLE
TV LOCATED AND SUITABLY MARKED. THE CONTRACTOR SHALL CALL J.U.L.I.E. @ 1-800-892-0123,

AND ALL UTILITIY COMPANIES FOR UTILITY LOCATIONS A MINIMUM OF 48 HOURS PRIOR TO DIGGING.
ANY DAMAGES TO TO UTILITIES WILL BE THE RESPONSIBILITY OF THE CONTRACTOR. SHOULD A
UTILITY BE IN CONFLICT WITH THE PROPOSED CONSTRUCTION, THE ENGINEER SHALL BE NOTIFIED
AT ONCE.

7. NECESSARY PRECAUTIONS SHALL BE TAKEN BY THE CONTRACTOR TO PROTECT EXISTING SERVICES
AND MAINS, AND ANY DAMAGE TO THEM DUE TO HIS NEGLIGENCE SHALL BE REPAIRED IMMEDIATELY
AT CONTRACTOR'S EXPENSE.

8. AFTER EXCAVATED AREAS HAVE BEEN BACKFILLED. GROUND SHALL BE RETURNED TO EXISTING OR PROPOSED
GRADE AND EXCESS EXCAVATED MATERIAL SHALL BE REMOVED FROM THE PROJECT SITE.

9. THE CONTRACTOR SHALL BE RESPONSIBLE FOR REPAIRING AND REPLACING EXISTING ITEMS DAMAGED OR
REMOVED DURING CONSTRUCTION, AND SHALL BE INCIDENTAL TO THE COST OF CONSTRUCTION.

ALL DISTURBED AREAS SHALL BE RETURNED TO THEIR ORIGINAL CONDITION.

10. NO ON SITE STORAGE OF EXCAVATED MATERIAL WILL BE PERMITTED, UNLESS APPROVED BY THE
ENGINEER. ANY EXCAVATED MATERIAL THAT IS APPROVED TO BE STORED ON SITE SHALL BE
PROTECTED AND STABILIZED BY SEEDING OR OTHER APPROVED METHODS TO PREVENT EROSION AND
SEDIMENT FROM LEAVING THE SITE.

11. THE CONTRACTOR HAS NO AUTHORITY TO PERMIT THE USE OF ANY PORTION OF THE SITE BY ANYONE
EXCEPT FOR BUSINESS CONNECTED WITH THE CONSTRUCTION IN WHICH THIS CONTRACT IS
CONCERNED.

12. ANY DAMAGE TO EXISTING ROAD SURFACES BY CONTRACTOR'S EQUIPMENT SHALL BE REPAIRED TO
ORIGINAL CONDITION OR BETTER, AND THE REPAIR SHALL BE ACCEPTABLE TO THE OWNER. COST OF
SUCH REPAIR SHALL BE INCIDENTAL TO COST OF CONSTRUCTION.

13. DURING CONSTRUCTION, THE CONTRACTOR SHALL NOT CAUSE SEWAGE TO BE DISCHARGED ON THE
GROUND, IN WATERWAYS OR INTO THE GROUND NOR SHALL HE CAUSE BACKUP OF SEWAGE INTO
BUILDINGS. SEWAGE SHALL BE DIVERTED BY PUMPING AND/OR PIPING AROUND ANY PORTIONS OF THE
SEWER SYSTEM WHICH ARE TAKEN OUT OF SERVICE.

14. PERMITS AND LICENSES OF A TEMPORARY NATURE NECESSARY FOR THE PROCESSION OF THE WORK
SHALL BE SECURED AND PAID FOR BY THE CONTRACTOR.

15. ANY REPAIR REQUIRING REPLACEMENT OF SEWER AT AN EXISTING MANHOLE SHALL INCLUDE A WATER-TIGHT
CONNECTION TO THE EXISTING MANHOLE. MAKE CONNECTION WITH NON-SHRINK GROUT OR OTHER
MATERIAL APPROVED BY THE ENGINEER.

16. WORK AREAS MAY HAVE LIMITED ACCESS AND INCLUDE FENCES, POWER POLES, OVERHEAD UTILITY LINES. ETC.
ALL EXISTING FENCES, POWER POLES, ETC., SHALL BE REMOVED AND RE-INSTALLED AS NECESSARY.
PROTECTION AND/OR REMOVAL AND RE-INSTALLATION OF UTILITY SERVICES SHALL BE COORDINATED WITH THE
UTILITY COMPANIES. UTILITY COMPANY COSTS FOR PROTECTION AND/OR REMOVAL AND RE-INSTALLATION OF
UTILITY SERVICES SHALL BE INCLUDED IN THE COST OF CONSTRUCTION.

17. THE CONTRACTOR SHALL PROVIDE TRAFFIC CONTROL IN ACCORDANCE WITH IDOT HIGHWAY STANDARDS
701301. 701501, AND 701901.

LIFT STATION REHABILITATION
TWO LOCATIONS

B2ND STREET

CENTREVILLE, IL.

Ex. 6 (Personal Privacy), Ex. 7f (Water Infra.

PREPARED FOR:

COMMONFIELDS OF CAHOKIA
PUBLIC WATER DISTRICT

PREPARED BY:

HURST-ROSCHE, INC.

POJECT LOCATIONi

Hurst-Rosche, Inc.

PROFESSIONAL DESIGN NU»®ER:

NO. 5 BANK SQUARE
EAST ST. LOUIS, IL
PH: 618.398.0890
www.hurst-rosche.com

HILLSBORO, IL
MARION, IL
ARNOLD, MO
NEOSHO, MO
NASHVILLE, TN

ST. CLAIR COUNTY

-®
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Ex. 7f (Water Infra.), Ex. 6 (Personal Privacy)

IMATE R.O.W.

MANHOLE NO. 6 -

82ND STREET (50" W)

IMATE R.O.W.

PLAN
SCALE 1"-20"

425

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2
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9 ON

425

415

NORTH 82N
(EX. ASPHAI

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rT PVMT.) \

EXr'Mit

415

405

IV. - 410.21

395

EX. 8" G

?AVITY SEWE

395

385

229

5 ± EXIST1N

3 SAN SEWE

? © 0.40%

CLEAN
NG

AND TELEVI
6 AND 6A

SE BETWEEN
AFTER INSTA

MANHOLES
LLATION

PROFILE
HORIZ. SCALE 1"-20'
VERT. SCALE 1"—10*

GRAPHIC SCALE

NO. 5 BANK SQUARE
EAST ST. LOUIS, IL
PH: 618.398.0890
www.hurst-rosche.com

HILLSBORO, IL
MARION, IL
ARNOLD, MO
NEOSHO, MO
NASHVILLE, TN

SIGNATURE

DATE

LICENSE EXPIRES

11/2021

DATE:

PROJECT NO: 211-0741

PLAN AND PROFILE
1 STREET

SHEET 2 OF 8
©2021 HURST-ROSCHE, INC.

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DISPOSE OF REMOVED EQUIPMENT LEGALLY OFFSITE UNLESS REQUESTED TO
REMAIN THE PROPERTY OF COMMONFIELDS OF CAHOKIA PUBLIC WATER
DISTRICT.

4" CHECK VALVE
(TYP.)

*" RISER WITH 4" GATE
VALVE AND QUICK CONNECT
FOR PORTABLE PUMP

FLOAT CONTROLLER
(TO BE REMOVED)

GROUT OPENING
CLOSED

EDUCTOR

(to be removed;

- AIR PIPING
(TO BE REMOVED)

EX. 5' WEPMELL NO. 7 -

-GRAVITY EFFLUENT

- 3" VENT PIPE

PROPOSED PUMP STATION PLAN

NOTE:

REMOVE EXISTING VCTWELL TOP AND REPLACE
WTH NEW TOP AND HATCH. THE CONTRACTOR
SHALL PROVIDE A WATERTIGHT SEAL

EXISTING
INFLUENT PIPE

ASPHALT PVMT.

10'—7 1/2'

TO JET IN CASING
(TO BE ABANDONED
IN PLACE)

2-2" CONDUITS TO CONTROL PANEL
1- 2" CONDUIT FOR LEVEL CONTROL

LEVEL SENSING PROBE. FLYGT PART
NO. 837769 (ALARM PR< ~~

1 1/4" PVC

1 1/4" CHECK VALVE
1 1/4" UNION

SUMP PUMP \MTH
LOCAL FLOOD CONTROL

16" CASING PIPE

(TO BE FILLED WITH GROUT)

DAVCO INJECTAIRE
(TO BE REMOVED)

CUTTER HEAD
(TO BE ABANDONED
IN PLACE)

EXISTING WETWELL SECTION
f-i'-o"

4" RISER WITH 4" GATE
VALVE AND QUICK CONNECT
FOR PORTABLE PUMP

COMPACTED BASE

12" AGGREGATE
BASE

1 12" AGGREGATE
" BASE

EXISTING INFLUENT LINES
INV = 401.72

LEVEL SENSING PROBE, FLYGT PART

' >. 837775 (PUMP ON/OFF PROBE)

POWER CABLE

SHAFT SEAL FAILURE ALARM CABLE

TO JET IN CASING
(TO BE ABANDONED IN
PLACE)

16" CASING PIPE

(TO BE FILLED WITH GROUT)

CUTTER HEAD -
(TO BE ABANDONED
IN PLACE)

PROPOSED LIFT STATION SECTION
f-l'-O"

Hurst-Rosche, Inc.

PROFESSIONAL DESIGN NUMBER: 11

NO. 5 BANK SQUARE
EAST ST. LOUIS, IL
PH: 618.398.0890
www.hurst-rosche.com

HILLSBORO, IL
MARION, IL
ARNOLD, MO
NEOSHO, MO
NASHVILLE, TN

SIGNATURE
DATE

LICENSE EXPIRES

CD
<
X
LD

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MK.

11/2021

DESCRIPTION

DATE:

PROJECT NO: 211-0741

DESIGN: DRAWN: CHECK:
TAS JJD SMS

LIFT STATION DETAILS
STREET

) 2021 HURST-ROSCHE, INC.

-------
Ex. 6 (Personal Privacy), Ex. 7f (Water Infra.)

NEW 6' HIGH CH
NEW 6'X 10'

MANHOLE NO. 2
TOP = 415.40
INV = 412.61

APPROXIMATE R.O.W.

PLAN
SCALE T-20"

n
o

=>
<

425

MANHOLE NC

425

415

{

|
UI

XISUNG GRAC

X
3

415

405

TING

* CMP

INV -

412.61

405

395

(EX

1EVILLE AVE
ISTING ASPH

EX. 8" GRAVI
NV - 402.0(

M-T DRIVE)

TY SEWER
D (EAST)

10' GRAVIT

i SEWER

395

385

NV = 402.0

0 (WEST)

385

297 U

± OF EXIS

ING 10" SAN

SEWER O 0

42%

AN AND TEL

NO. 2 AND

EVISE BETWEl
ItK AFTER INS

EN MANHOLE
TALLATION

PROFILE
HORIZ. SCALE 1"-20'
VERT. SCALE 1"=10'

GRAPHIC SCALE

NO. 5 BANK SQUARE
EAST ST. LOUIS, IL
PH: 618.398.0890
www.hurst-rosche.com

HILLSBORO, IL
MARION, IL
ARNOLD, MO
NEOSHO, MO
NASHVILLE, TN

SIGNATURE
"DATE

LICENSE EXPIRES

11/2021

DATE:

PROJECT NO: 211-0741

PLAN AND PROFILE

SHEET 4 OF 8
©2021 HURST-ROSCHE, INC.

-------
DISPOSE OF REMOVED EQUIPMENT LEGALLY OFFSITE UNLESS REQUESTED TO
REMAIN THE PROPERTY OF COMMONFIELDS OF CAHOKIA PUBLIC WATER
DISTRICT.

I3E

FLOAT CONTROLLER
(TO BE REMOVED)

GROUT OPENING
CLOSED

EDUCTOR

(to be removed;

GROUT (TO BE REMOVED)

1 1/4" JET LINE
(TO BE ABANDONED
IN PLACE)

EX. 6' • WETVELL

NO. 3

4" RISER WITH 4" GATE
VALVE AND QUICK CONNECT
FOR PORTABLE PUMP

- AIR PIPING
(TO BE REMOVED)

3"# VENT PIPE

2 - 2'0 CONDUITS TO CONTROL PANEL

CONDUIT FOR
LEVEL CONTROL
TO CONTROL PANEL

-GRAVITY EFFLUENT

TIE INTO EXISTING 10" SEWER

NEW 4'# MANHOLE

NO. 2A

INFLUENT PIPES
INV = 402.00

TO JET IN CASING
(TO BE ABANDONED
IN PLACE)

- 16" CASING PIPE
(TO BE FILLED WITH GROUT)

• DAVCO INJECTAIRE
(TO BE REMOVED)

CUTTER HEAD
(TO BE ABANDONED
IN PLACE)

EXISTING WETWELL SECTION

I— NEW 6'« VALVE VAULT

PROPOSED PUMP STATION PLAN

f-l'-O"

NOTE:

REMOVE EXISTING V€TV€LL TOP AND REPLACE
VMTH NEW TOP AND HATCH. THE CONTRACTOR
SHALL PROVIDE A WATERTIGHT SEAL

4" RISER WTH 4" GATE
VALVE AND QUICK CONNECT -
FOR PORTABLE PUMP

EXISTING GRADE

#4 O 12" O.C.
(TYP.r

1 - 3" VENT PIPE
2 - 2"0 CONDUITS TO CONTROL PANEL ,
1 CONDUIT FOR LEVEL CONTROL
(SEE PLAN VIEW FOR ORENTATION)

LEVEL SENSING PROBE. FLYGT PART
NO. 837769 (ALARM PROBE) "

LEVEL SENSING PROBE, FLYGT PART
NO. 837775 (PUMP ON/OFF PROBE)

CUTTER HEAD
(TO BE ABANDONED
IN PLACE)

PROPOSED LIFT STATION SECTION

Hurst-Rosche, Inc.

PROFESSIONAL DESIGN NUMBER: 11

NO. 5 BANK SQUARE
EAST ST. LOUIS, IL
PH: 618.398.0890
www.hurst-rosche.com

HILLSBORO, IL
MARION, IL
ARNOLD, MO
NEOSHO, MO
NASHVILLE, TN

SIGNATURE

DATE

LICENSE EXPIRES

£
-J

DO
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CD

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MK.

11/2021

DESCRIPTION

DATE:

PROJECT NO: 211-0741

DESIGN:
TAS

DRAWN:
JJD

CHECK:
SMS

LIFT STATION DETAILS

) 2021 HURST-ROSCHE, INC.

-------
NOTE:

REMOVE AND REINSTALL SERVICE POLE AS
REQUIRED TO COMPLETE INSTALLATION.

NOTE:

REMOVE AND REINSTALL SERVICE POLE AS
REQUIRED TO COMPLETE INSTALLATION.

Ex. 6 (Personal Privacy), Ex. 7f (Water Infra.)

NEW!
exist!

Hurst-Rosche, Inc.

www.hurst-rosche.com

bCALfc 1 -1U

11/2021

DATE:

PROJECT NO: 211-0741
TAS JJD SMS

DETAIL PLANS

SHEET 6 OF 8
) 2021 HURST-ROSCHE, INC.

-------
NOTES:

1. WIRE MESH TO BE FASTENED TO
LINE POST, TOP RAIL, AND TENSION
WIRE WITH # 9 GAUGE ALUMINUM
TIE WIRE. SPACING FOR TIE OR
CLIP WIRES SHALL BE AS FOLLOWS:
TOP RAIL - 24"

LINE POST - 12"

TENSION WIRE - 24"

2. POST SPACING SHALL NOT EXCEED
TEN FEET. PULL POST SHALL BE

PROVIDED SO THAT NO RUN
EXCEEDS 400' IN LENGTH.

3. THE TOP RAIL SHALL PASS THROUGH
OPENINGS PROVIDED FOR THAT
PURPOSE IN THE POST TOPS AND
EACH LENGTH SHALL BE COUPLED
WITH INSERT SLEEVE COUPLINGS.

-END BAND AND
STRAIGHT £UP

CORNER, END OR
PULL POST - 2"
NOMINAL SIZE 3.65
LB PER LIN FT

STRETCHER BAR -
END BAND -

FINISH GRADE -

CORNER POSTS SHALL BE PROVIDED
AT ALL INTERSECTED PROPERTY
LINES WHICH HAVE EXISTING YARD
FENCES. REQUIRED LENGTHS OF NEW
FENCE SHALL BE PROVIDED TO
CONNECT THE EXISTING YARD FENCES
IN EASEMENT TO THE NEW FENCE.
POSTS SHALL BE GROUTED INTO THE
4" OPENINGS PROVIDED IN THE
CHANNEL WALLS WITH A UNIFORM
MIXTURE OF "POR-ROK" TYPE
GROUT OR EQUAL.

WIRE MESH TO BE PLACED ON THE
STREET SIDE OF THE LINE POSTS.
HEIGHT OF FENCE 48".

¦TOP RAIL - 1 1/4" NOMINAL
SIZE, 2.27 LB PER LIN FT

VALVE VAULT

LOOP POST OF
PROPER SIZE

ACCESS HATCH 30"X 48"

EAST JORDAN IRON WORKS
8200 SERIES HEAVY DUTY
RATING PER AASHTO M-306 OR
EQUAL

ACCESS HATCH PLAN VIEW
f-1'—o"

WET WELL

LINE POST
NOMINAL SIZE,
LB PER LIN FT

1 1/2"
2.72

TENSION WIRE # 7 GAUGE,
SPIRALED OR CRIMPED
GALVANIZED WIRE

BARBED EDGE DOWN

#4 BARS 6" O.C. - BOTTOM

EXTRA #4 BAR
EACH SIDE
OF HATCH

DETAIL OF FENCE INSTALLATION

MIXTURE TABLE

2" CL

1 #4 BAR 2'—0'
LONG (TYPICAL
EACH CORNER)

EXTRA #4 BAR
EACH SIDE
OF HATCH

2" CL

LOCATION

VARIES

MIXTURE USE

SURFACE COURSE

PG 64-22

RAP % (MAX)

10%

DESIGN AIR VOIDS

4.0% § Ndes=70

MIX COMPOSITION
(GRADATION MIXTURE)

IL—9.5

FRICTION AGGREGATE

MIXTURE "C"

MIXTURE WEIGHT

112 LBS/SQ. YD./IN.

VALVE VAULT

1 #4 BAR 2-0'
LONG (TYPICAL
EACH CORNER)

TOP SLAB REINFORCEMENT
*".1-0"

WET WELL

-3" HOT-MIX ASPHALT
kSURFACE COURSE

SEEDING QUANTITIES FOR
PAYMENT SHALL BE 5'
EACH SIDE OF PIPE t

8 AGGREGATE BASE
COURSE TYPE B (CA-6)

BITUMINOUS MATERIALS (PRIME COAT)
@ 0.25 LBS./SQ. FT. ON AGG. BASE

EXCAVATED MATERIAL, PLACED
IN LAYERS OF TWELVE INCHES,
LOOSE MEASURE, WITH EACH
LAYER COMPACTED

LOOSE EXCAVATED MATERIAL FREE
OF CLODS, FROZEN MATERIAL
OR STONES DEPOSITED IN 4"
LAYERS AND HAND COMPACTED

GRANULAR CRADLE CONSISTING OF"
AGGREGATE FOR TRENCH BACKFILL
HANDSHAPED AND COMP. FOR UNIFORM
SUPPORT OF PIPE PER ASTM D2321

EXCAVATED MATERIAL NEATLY
ROUNDED OVER TRENCH IN UNIMPROVED
AREAS. SEED AND FERTILIZE ALL AREAS
AFFECTED BY THIS WORK.

8" AGGREGATE BASE COURSE, TYPE B

3'—6"MIN. COVER
-DEPTH FOR SEWER AS
SHOWN ON PROFILES

HAND COMPACT TO.
PROVIDE UNIFORM
LONGITUDINAL AND
LATERAL SUPPORT
AS PER ASTM D 2321

D-f36" MAX.

PAVEMENT RESTORATION DETAIL

NOT TO SCALE

TRENCH DETAIL UNIMPROVED AREA
NOT TO SCALE

TRENCH DETAIL IMPROVED AR

NOT TO SCALE

HINGE SIDE

ACCESS HATCH 30"X 48"

EAST JORDAN IRON WORKS
8200 SERIES HEAVY DUTY
RATING PER AASHTO M-306 OR
EQUAL

_SURFACE RESTORATION
TYPE AS SHOWN ON
PAVEMENT PATCH DETAIL
ON THIS SHEET

GRANULAR CRADLE

Hurst-Rosche, Inc.

PROFESSIONAL DESIGN NUMBER: 11

NO. 5 BANK SQUARE
EAST ST. LOUIS, IL
PH: 618.398.0890
www.hurst-rosche.com

HILLSBORO, IL
MARION, IL
ARNOLD, MO
NEOSHO, MO
NASHVILLE, TN

SIGNATURE

date

LICENSE EXPIRES

1—

I—

1—

L-

(f)

1—

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CD
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CM
CD

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MK.

11/2021

DESCRIPTION

DATE:

PROJECT NO: 211-0741

DESIGN:
TAS

DRAWN:
JJD

CHECK:
SMS

MISC. DETAILS

) 2021 HURST-ROSCHE, INC.

-------
100 AMP MAIN BREAKER-
NEMA 3R

W/H METER
UNDERGROUND
SERVICE 30
4 WIRE
480 VOLTS

ac DCrvi iidcti

2 1/2" RIGII
PVC CONDUIT

8.0' LONG 5/8" DIAMETER
COPPER GROUND ROD WITH
CLAMPS INSTALLED
SECURELY INTO SOIL

PUMP PANEL

BACK TO BACK 1
3/4" ALUMINUM
UNISTRUTS

CONDUIT SEALS
(TYP.)

3/4"0 STAINLESS STEEL ANC
BOLTS WITH STAINLESS STEEl.
AND WASHER

(HOR
NUT

RIGID METAL CONDUIT SHALL BE USED ABOVE
GRADE AND EXTEND A MINIMUM OF 12" BELOW
GRADE (WHEN CONDUIT GOES BELOW GRADE).
(CONDUIT SPEC PER N.E.C.)

CONTROL PANEL AND ELECTRICAL RACK DETAIL

NOT TO SCALE

WIRE AND CONDUIT LEGEND:

(j) 4-1/0 WIRES THWN TYPE
IN 2"0 CONDUIT (EXISTING).

(2) 4-1/0 WIRES THWN TYPE
IN 2i"0 CONDUIT.

(D 4-1/0 WIRES THWN TYPE
IN 2"0 CONDUIT.

(4) WIRE AND CONDUIT AS REQUIRED BY SUMP
PUMP MANUFACTURER.

(D WIRE AND CONDUIT SIZE AS REQUIRED

BY PUMP MANUFACTURER (ONE SET PER
_ PUMP)

<6> WIRE AND CONDUIT SIZE AS REQUIRED
BY PRESSURE TRANSDUCER
MANUFACTURER

NOTES:

1. IMC SHALL BE USED ABOVE GRADE AND
EXTEND A MINIMUM OF 12" BELOW GRADE
(WHEN CONDUIT GOES BELOW GRADE).

2. CONTRACTOR SHALL PROVIDE A J-BOX JUST
OUTSIDE OF THE WET WELL TO BE USED AS
A PULL BOX FOR THE NOTED WIRES.
CONTRACTOR SHALL SUPPLY A CONDUIT
SEAL ON THE RUN TO THE CONTROL PANEL.

-EXISTING W/H METER
UNDERGROUND SERVICE 30
4 WIRE (CONTRACTOR TO
VERIFY)

^100 AMP

r— 100 AMP (CONTRACTOR TO / TRANSFER SWITCH
VERIFY) MAIN BREAKER / NEMA 3R

X EiP

* GROUND SEEN0TC1

MO UTILITY POLE

PUMP WIRING SCHEMATIC

NOT TO SCALE

Hurst-Rosche, Inc.

PROFESSIONAL DESIGN NU»®ER:

NO. 5 BANK SQUARE
EAST ST. LOUIS, IL
PH: 618.398.0890
www.hurst-rosche.com

HILLSBORO, IL
MARION, IL
ARNOLD, MO
NEOSHO, MO
NASHVILLE, TN

SIGNATURE

DATE

LICENSE EXPIRES

1—

I—

1—

LJ-

1—

oH<

i-
<
i-

co
<
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LU
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I—

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CM
CD

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U- <

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MK.

11/2021

DESCRIPTION

DATE:

PROJECT NO: 211-0741

DESIGN:
TAS

DRAWN:
JJD

CHECK:
SMS

ELECTRICAL DETAILS

J 2021 HURST-ROSCHE, INC.

-------
HR HURST-ROSCHE, INC.

5 Bank Square Date November 16.2020

618/398-0890 PROJECT Emergency Sanitary

Commonfelds of Cahokia PWP

TO: Mr. Henry Rohwedder

Hank's Excavating & Landscaping, Inc.

Mr. Jim Rossel

Haier Plumbing & Heating, Inc.

Mr. Mark Ehret
Ehret, Inc.

WE ARE ENCLOSING THE FOLLOWING.

O ORIGINAL DRAWINGS

~ SHOP DRAWINGS

~ SPECIFICATIONS

~ REPORT

O REPRODUCIBLE MYLAR
~ BLUE LINE PRINTS
O SEPIA PRINTS
O OTHER

QUANTITY

DESCRIPTION

1 Set

Plans & Specifications for the referenced project.

~ FOR YOUR INFORMATION ~ PRELIMINARY Q RETURNED TO YOU

O FOR REVIEW & COMMENTS ~ AS REQUIRED BY CONTRACT ~ FINAL
O DISPOSmON ~ OTHER

COMMENTS: Plans and specifications are attached for your use in preparing a proposal

COPY TO: Mr. Denny Traiteur
Mr. Curtis McCali

-------
EMERGENCY SANITARY SEWER REPAIRS

[STREET, CENTREVILLE

GOMMONF1ELDS OF CAHOKIA
PUBLIC WATER DISTRICT

SCOPE OF WORK / PROJECT REQUIREMENTS

1. The project consists of replacing approximately 370 tinea) fee; of 0-inch diameter sewer as shown Drawing
Sneets 1-3, including traffic control, ciewafering. temporary b/-pass pumping, reinstatement of sen/ice
connections, surface restoration, cleaning and televising, and any othe" related items to complete the project.
Tie sanitary sewsr work shall be performed in accordance with the Standard specif cations for Water and
Gewer Main Construction in Illinois. Surface restoration and traffic control snail bs performed in, accordance with
the Illinois Dcpartmon: cf Transportation (IDOT) Specifications for Road and Bridge Construction- The
Contractor s.ialt vsit the site prior tc submitting h;3 bid and induce all costs to perform alt work necessary to
comDlctc the project.

2. A granular cradle shall be constructed on all sewer mains from a pl.ina 8" below the pipe to a plane 12!'
above rbe pipe. The granular cradle shall consist of Class I! embedment material as per ASTM D2321 and
shall conform to (DOT gradstion CA-7. Select granular backfill shall also conform to IDO" gradaton CA-7,

3. The Contractor shall install and operate a suitab'e dewaterng system. Dewatering is to bo included in the
base bid.

4. The contractor shall insta:l and maintain a femoorary bypass pumping system for at reacnes affected by this
work Installation and maintenance of the bypass pumping system is tn be inducted in thn bssp bid,

5. The novv sewer shaf be cleaned and televised fu!l reach (manhole to manhole) after the sewer rehabilitation
is completed. Two copies of the inspection iogs and video recordings shall be furnished to the A/E,

8. Surface restoration shall include replacement of the asohalt pavement, along with the restoration of any
other d.sturbed areas.

7. The Contracted shall provide traffic control devices as necessary to complete the sewer rehabilitation.
Traffic control shall be in accordance with (DOT Highway Standards 7C1301, 701501 and 701501,

8. The party to whom the contract is awarded will be required to execute the Agreement and obtain a
Performance bond, 3ayment Bond, and Certificate of Insurance. The Certificate cf Insurance must list the
Owner and Hurst-Rcsche, inc. as additional insureds,

9. Bidder's attention is drected to the fact that all hederal and Illinois bta'e „aws, municipal ordinances and
regulations of any and ali authority having jurisdiction over construction of the project shall app'y to the
contract throughout, and they will be deemed to be included in tie contract the same as though herein
written out in fill. Successful Bidders shall be requred to observe Illinois Pubic Ac: /M552 and the Illinois
Department of Human Kights and Illinois Human Rights Commission Rules pertaining to Equal Employment
Opportunity, as provided for in Paragraphs 2-101, e* ssq.. Article II, Chapter 66, of the Illinois Revised
Statutes; Paragraph 271 of Chapter 48 of the ilUnois Revised Statutes concerning the employment of
citizens of the State of Illinois; and the Prevailing Wage Act. as issued ov the IL Department cf Laoor.

10. Proposals are due at the office of Hurst-Rusche, Inc., No. 5 Bank Square, East St Louis IL 62203 by
Wednesday, November 25. 2015 at 10:30 Afvl. Mailed bid envelopes shall be enclosed in a separate
mailing envelope with the notation "SEALED BID ENCLOSED', No bd secunty is lequiied, A bid may not
be modified, withdrawn or canceled during the thirty (30) days immediately following bid opening,

-------
BID

Proposal of

(hereinafter called "BIDDER"), organized and existing under the laws of the State of

doing business as x_ .

"Insert "a corporation," "a partnership,' or "an individual," as applicable.

To Commonfieids of Cahokia Public Water District (hereinafter caliec "OWNER").

In compliance with your Advertisement for Bids, BIDDER hereby propo^stcpe^mall\|\lORK
for the improvements of Emergency Sanitary Sewer RehabHitatioi^^||m||||||^P5troc?t,
Centrevilio, IL, The Contractor shall include all costs ir his proaosal to replace approximately 370
lineal fcct of 8 inch diameter sewer as shown Drawing Sheets 1 3 including traffic control,
dewaterirg, temporary by-pass pumping, reinstatement of service connections, surface restoration,
cleaning and televising, and any other related items to complete the project The sanitary sewer
work shall be perormed -n accordance with the Standard Specifications for Water and Sewer Main
Constriction ir Illinois, The surface restoration and traffic control shall be performed in accordance
wth the IH'nois Department of Transportation (IDOT) Specifcationb fos Road and Bridge
Constiuetion. The Contractu! shall visit the site ptiof to subniiting hs bid and include all costs to
perform all work necessaiy to complete the project The Oyvrei reserves toe fight to reject any and
all proposals and to award the work on any basis to obtain :he lewest overall cost.

BIDDER hereby agrees to commence WORK uncer this contract on or oe^ore a cate to be
specified in the NOTICE TO PROCEED and to fully complete the PROJECT within 30
consecutive calendar days thereafter.

(I) By submission of the bid. each bidder certifies, and in (he case of a joint bid, each party
thereto certifies as to his own organization, that in connection with the Did:

{>) The prices in the bid have been arrived at independently, without consultation,
communication, c
-------
(in He is not the person in the bidder's organization 'espcnsibis within that organization
fcr the decision as to the prices being bio, but that he has been authorized to act as
agent for the persons responsible for such decision h certifying that such persons
have not participated, and will not participate, in any action contrary to (i) fi) through
(I) (iii) above, and as their agent sha^i so certify; anc shall also certify that he has
not participated, and will not participate, in any action contrary to (1) (i) through <\)
(iii) above

(ii:) The Contractor by submitting Is bid ce-tifies that it will provide a ciriQ free
workplace and that it is in compliance with the requirement? of the D;uy Free
Workplace Act 30ILCS 580 1 et.seq , and the Substance Abuse Prevention on
Pub!c Works Proects Act PA095-635.

BIDDER acknowledges receipt of the following ADDENDA:

No. , dated ______ No, , dated _____

No. , elated ______ No, . dated

BIDDER agrees tj ptjTorm ail wuik cieaw ibetl in tht CONTRACT DOCUMENTS foi trie
fo'iowir g lump sum price.

BTOSCHiBMLi

TOTAL LUMP SUM PRICE BID (in figures) $ _______________

TOTAL BID IN WRITING

Narre of Bidder (FIRM) ______

Signed by

Tile Date

Business Address

Treasury Number

(SEAL)

If Bid is by a corpoiation.

Social Security Number lif private owner)

Attest'

EUFRQFHCY SANITARY SEWER REHABILITATION
¦¦¦¦pTREET, CENTREVILLE, (L

Dated

This orcposal ccns ?t5 o j pape>,

-------
LIST OF STANDARDS

M9TS?

or vmt* ie k 05* •> mi o* aac w * ¦*¦**»

ttioeora ftxuujB. id »c »«arosto

«.%i£«SSi47

aanvvM

EMERGENCY SANITARY SEWER
ILITATION

Ind STREET

UtlN l KtVILLE, IL.

PREPARED FOR

COMMONFIELDS OF CAHOKIA
PUBLIC WATER DISTRICT

PREPARED BY:

HURST-ROSCHE, INC.

) (Persona! t-fr»'£

MtWMl W

NO SCM£

bwex or sues,t?

I com SHOT * esSBUL Notts
a mas & t>K>ni£ satasT
3 MtSCSUAJOOttS IKTAILS

vrurn (mess

C0UM»»*l.0S Of CA-tOKM, PUJU.JC V»Tt» OSTfitCI -
MWRtteWf*

AB^ss

002.033371

u&rcseo

- . \ I

I ? prcfessio.hu. j s
\X / ;

OwcwjwsT-eato*. x

-------
-------

LEGEND

•

CXISTWG MAMOtf

• >

EXWTN6 IUXT

EXIsriHG WATER MEttH

EXISTMC- WATER VA.SC 80*

EXISTWQ OAS VALVE BOX

EXISTING UCHT POLE

¦—

CJ0KTM6 U1MJIY K)LL

EXISTING SGS

CUV UK.

¦*

CUV POLE

VM.VC (MISC£LUW£OJS;

—.—

txisms FENCE

EXISTIMC OVERHEAD ELECTRIC UNE

EXISTOtC UNDERGROUND EXECTHIC LIME

WATER LHE

UNOEflGHOOMD TELEPHONE UNE

WiDEBGSCOND CAS UNE

5U*\«Y CONTROL POtNT

rffl

MIXTURE TABLE

LOCAnON

VARIES

tfXlURE USE

SURFACE COURSE

PC 64-22

RAP % ftMJO

DESGN NR VOIDS

4.03 0 IMm=70

MIX COMPOS! *CN
(CRADATCW MIXTURE)

IL-9.5

FRICTION AGGREGATE

KilXTjPE "G"

MIXTURE YKEKJHT

112 IBS/'K). MJ.MJ

TRIBUTARY SEWERS
NOT TO SCALE

CONTROL POINTS

TYPIC^ JgiVSCE CONNECTION

6- ACCfieCATE BASE
COURSE TYPE B (CA-6)

— EXCA VATED MA TEW*. tlEATLT
K>.»C£D CVEA 1S£HW N LMti

EttAVAlED tfATfchlAL. «_*C£B
N LATOS OF mELVE (fflfi
LMSE ICA3U5E. »W EACH
LAYER COMPACTED

OP UTOME3 DEPOSED IH

{RAM, IAS OTAOLE C0H85TN5 V

9JPP0AT OF PIPE pa ASTM ouai

r aameoav mx

r-ruH. cover

TRENCH PETAL UlfflHPRPVEP AREA

-------
CITY OF CAHOKIA HEIGHTS, IL
SANITARY SEWER SYSTEM

TARGETED DRY-WEATHER SSO INVESTIGATION PLAN

PREPARED FOR REVIEW AND APPROVAL BY:

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY - REGION 5

ENFORCEMENT AND COMPLIANCE ASSURANCE DIVISION

AS REQURIED UNDER:

ADMINISTRATIVE ORDER ON CONSENT

UNDER SECTION 309(a) OF THE CLEAN WATER ACT, 33 U.S.C. § 1319(a)
DATED AUGUST 16, 2021

Hurst-Rosche, Inc.

SCHEDULE OF TASKS AND MILESTONES

November 2021 (revised)

N. 82nd Street and Vicinity
Investigative Actions
Flow Monitoring
Visual Inspections
CCTV (as needed)

Smoke testing

Lift Station #5 (Pocket Road and Missouri Ave. and Vicinity)
Investigative Actions
Flow Monitoring
Visual Inspections
CCTV (as needed)

Smoke testing

NOTE: All investigative actions for this area have been conducted and are
incorporated into preliminary enineering and a grant application to St. Clair
County for funds for corrective action lift station repairs - anticipated to
begin after plans and specs are complete and per competitive bidding results
in late 2021 or early 2022

Lift Station #22 (Lauralee Drive and Renois Blvd. and Vicinity)
Investigative Actions
Flow Monitoring
Visual Inspections
CCTV (as needed)

Smoke testing

Submit Reports of Investigative Actions to EPA

Submit Corrective Action Plan to EPA

Within 60 days of completion of investigations

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CLIENT:
FACILITY:

PROJECT NO.
STRUCTURE ID:

MANHOLE INSPECTION SHEET

NOTE TAKER:

INSPECTOR:

" WEATHER:

TIME;

DATE:

NORTH EAST ELV, T/R

MH LOCATION:

MH DEPTH:

MH STEPS: GOOD

FAIR

POOR

MH LID: SUBJ. TO INUNDATION: YES NO INFLOW.

SOUP VENTED INFLOW

FLOW PATTERN

BROKEN.
MH RING: GOOD

MISSING

BROKEN

MH WALLS: BRICK

PRECAST

_ INFLOW.
MISSING .
OTHER

DEBRIS ON MH WALLS: HEAVY.

ROOTS IN WALLS _

PAST SURCHARGING

DETERIORATED WALLS

HOLE IN MH WALLS

CRACK IN MH WALLS ,

HOLE IN MH CONE ,

CRACK IN MH CONE

OTHER DEFECTS

LIGHT

INFILTRATION

HEIGHT ABOVE INVERT_
INFILTRATION _____

INFILTRATION

. INFILTRATION

INFILTRATION

DEPTH OF FLOW:

INFLOW .
INFLOW .
INFLOW .
, INFLOW
INFLOW

MH BENCH: DETERIORATED

INFILTRATION

SEDIMENT ON BENCH: HEAVY.
OTHER:

MEDIUM

_ INFLOW

LIGHT TYPE

MH INVERT: DETERIORATED

INFILTRATION

INFLOW

SEDIMENT IN INVERT: HEAVY

MEDIUM

LIGHT

TYPE

LINE DESCRIPTION

LINE NUMBER:

1 I 2

3 I 4

LINE SIZE | i | I

MATERIAL

PVC HOPE OTHER i PVC HDPE OTHER

PVC HDPE OTHER ' PVC HDPE OTHER

DEPTH FROM MP TO FL

i i I

GENERAL COMMENTS:

HURST-ROSCHE ENGINEERS

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HR

May 27, 2021

Hurst-Rosche, Inc.

James W, Roth, PE, PLS Mr. Dennis Traiteur
President General Manager

Commonfields of Cahokia Public Water District
2525 Mousette Lane
Cahokia, Illinois 62206

SUBJECT: Sanitary Sewer Smoke Testing - Various Locations
Commonfields of Cahokia Public Water District
H-R 211-0051

Dear Mr. Traiteur:

Jeremy J Connor, PE

5 Bank Square
Easi SI Louis, IL 62203
(f) 618.398.0890

Hurst-Rosche, with the support of Hank's Excavating & Landscaping
and Commonfields of Cahokia Public Water District staff, performed
sanitary sewer smoke testing on Belleview Avenue on Monday, May
24, 2021 as noted below:

Smoke testing was performed at Manhole N^7^w|l^moke
observed cominc^u^Hhe sewer vents at
Street and^^H^^^B^treet. Smoke was also observed
coming out of Manhole No. 3 (the wetwell at the
Belleview Pump Station) and Manhole No. 70.

Smoke testing was performed at Manhole N^79^itt^moke
observed coming out of the sewer vents atflHHUBtreet
and^^^^^&j^^^^DBeHeview Avenue. Smoke was also
observed coming out of Manhole Nos. 76, 78 and 80, an^ar^
existing cleanout with no cap between the residence at^J™
Belleview Avenue and the adjacent garage (approximately /u
feet west and 65 feet north of Manhole No. 79).

Smoke testing was performed at Manhole No^O^itl^moke
observed coming out of the sewer vents
Belleview Avenue, Smoke was also observed coming out of
Manhole Nos. 79 and 80A, and out of the ground at the following
locations:

a. Lot east of ^^^^^^^Jvenue (approximately 24 feet
south & 74 feet wes^^anhol^Jo. 80A),

b. First lot northwest (approximately 30 feet
north & 26 feet west of Manhole No. 80A),

www.hurst-rosche.com

ENGINEERING ARCHITECTURE SURVEYING CONSTRUCTION MANAGEMENT

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Mr. Dennis Traiteur
Page Two
May 27, 2021

c, Lot directly in front o^^HB^
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St Clair County Parcel Map

5/27/2021, 2:03:48 PM
Major Highways
20
30

MidAmerica Flight Line

Scott Flight Line Imagery2020 Roads

Railroads Red: Band_1 Parcels

~ Green: Band_2
Blue: Band 3

0.03
—t—
0.05

1:4,514
0.06

0.1

0.12 mi

0.19 km

Township Boundary

Missouri Dept. of Conservation. Esri. HERE, Gaimin. INCREMENT P. US6S,
EPA

St CSaar County GIS
Esri. HERE. Gamin. USGS. EPA. MPS |

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COMMONFIELDS OF CAHOKIA PUBLIC WATER DISTRICT
SANITARY SEWER SMOKE TESTING (5/24/2021)

Sanitary sewer smoke testing equipment

Smoke escaping from a roof vent a|

[Street

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COMMONFIELDS OF CAHOKIA PUBLIC WATER DISTRICT
SANITARY SEWER SMOKE TESTING (5/24/2021)

Ex. 6 (Personal Privacy)

Smoke Escaping from the Ground near

. 6 (Personal F

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SMOKE TEST REPORT

COMMONFIELDS OF CAHOKIA PUBLIC WATER DISTRICT
ST. CLAIR COUNTY, ILLINOIS

PAGE OF.

CONSULTING ENGINEER DATE:

CREW # TIME:

DISTRICT SUBDISTRICT BY:

MANHOLE NO. TO MANHOLE NO.

REPORT NO.

STREET /EASEMENT

SKETCH M.H.
LOCATIONS & i—

NUMBERS a

Bright of way of easement line (typ.)

i—

LlJ
LlJ

SCHEMATIC (MODIFY AS REQUIRED) °°

NORTH

LEAK
NO.

mj v /&/ / / / / / /wW / /

§/§///////iM///

£? A/ /?•/&/ /V /£/ /0/&Z As / /

M%WWw4w/i/

/&/&/&/$/$/*/*/c/

INFLOW AREA DRAINED

(CALCULATE AREA IN
ACRES OR SQ. FEET)

CALCULATATIONS

OF INFLOW

(OFFICE ONLY)

AREA
SIZE

ADDRESS

DATE:
BY:

REMARKS:

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