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Site & Improvement
Plan Application
The Public Works Department reviews plans and inspects the
construction of any public infrastructure and various aspects of
private construction such as drainage and erosion control measures. If
you are planning any construction activity involving earthwork or
construction in the city right of way please contact the public works
department to determine what permits are required. Below are the
applications with attached check lists for the various steps to site
plan review.
Step 1:
Site Plan Application
Step 2:
Grading Only Permit Application
Step 3:
Improvement Plan Application
Driveway Permit Application
Excavation Permit Application
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Most large developments with multiple lots are
setup as subdivisions. To create a subdivision a record plat must be
recorded with the county through the city. Below are the applications
and attached checklists required to create a record plat.
Step 1:
Preliminary Plat Preapplication Procedures
Step 2:
Preliminary Plat Application
Step 3:
Improvement Plan Application
Step 4:
Record Plat Application
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Permit Fees
·Sanitary Sewer Tap
o
¾” $ 500
o 1"
$1,669
o
1½”
$3,031
o
2" $4,736
o 3"
$8,744
o
4" $14,711
o
6"
$28,351
o
8" $51,368
o
10" $82,655
o
12"
Case by case
· Water Main Tap -
Paid at
Cashier’s Office on First Floor
o ¾”
$ 800
o
1” $ 1,600
o 1 ½” $ 2,300
o 2” $
3,900
o 3" $ 8,600
o
4" $15,400
o
6"
$34,300
o
8"
$41,100
o
10" $154,000
Residential Sewer Connection Fee: $500/per lot.
Water Sprinkler Connection:
Additional
fee of 50% of the water service connection fee. If
supplied off the domestic water service line and have 20 heads
or less, no extra fee.
$2000 cost for water line taps without a meter
(for main extensions mainly).
· Construction Inspection -
Paid
at the Public Works Department
o Sanitary Sewer $100 + $80 per 300’
of pipe
o Storm Sewer $100 + $80 per 300’ of
pipe
o Water Main $100 + $80 per 300’ of
pipe
o Subdivision $15 per lot
o Lighting $70 per light
· Grading Permit
-
Paid at the
Public Works Department
o
$20 for earthwork total of 500 cy
to 1,000 cy
o
$50 for earthwork total of 1,001 cy
to 5,000 cy
o
$10 per 1,000 cy thereafter ($1,500
maximum)
o
Performance bond required for
earthwork totals greater
than 3,000 cy
Excavation
Permit
-
Paid at
the Public Works Department
o
$25 plus deposit
• Deposit Fees
•
Backfill $35/cuyd
•
Asphalt $20/sqyd
•
Concrete $25/sqyd
•
Sidewalk $3/sf· Sidewalk and Driveway Approach
Permit
-
Paid at the Public Works Department
o
Residential $10
o Commercial $15
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General Notes
1. All improvements
constructed herein shall comply with all City Ordinances.
2. If an area of greater than one acre is disturbed, a Land
Disturbance permit is required prior to commencing excavation
operation. Provide copy of approval from the Department of Natural
Resources to the Public Works Department.
3. Siltation control shall be the responsibility of the contractor.
Additional siltation control may be required as directed by the City
Engineer. (Ordinance 151.16 (16)).
4. When grading operations are completed or suspended for more than 30
days, permanent grass must be established to control erosion.
(Ordinance 151.30 (D.1)).
5. All mud and debris from construction site to be kept off of City
maintained streets. (Ordinance 151.30(G)).
6. All handicapped parking spaces and access aisles shall be level
with surface slopes not exceeding 1:50 (2%) in all directions.
(Ordinance 73.83(4)).
7. All water main construction including valves, sleeves, meters,
hydrants and fittings must conform to City of St. Charles design
standards.
8. When a sanitary sewer lateral crosses over a water line, a minimum
vertical clearance of 18” shall be provided. If this clearance is not
possible, then both the water line and the sewer line will be encased
in concrete until there is a 10’ horizontal clearance between the two
lines.
9. All sanitary sewer construction must conform to the latest version
of the Metropolitan St. Louis Sewer District’s standards and
specifications.
10. All street and sidewalk construction is to be per the latest St.
Charles City standards.
11. Flowable fill backfill shall be used for all backfill on sewer
trenches that are under City streets, from the top of the bedding
material (6 inches above the pipe) to the surface, or to within one
foot of grade in landscaped areas. (Ordinance 151.68).
12. Earth backfill (meeting MSD standards) may be used outside of
paved areas, from the top of the bedding material to 6” above the pipe
to the surface. Earth backfill should be placed in a maximum 8-inch
loose lifts and shall be mechanically compacted to a minimum density
equal to that of the adjacent, undisturbed soil.
13. All storm sewer construction is to be per the Metropolitan St.
Louis Sewer District (MSD) Standard Construction Specifications for
Sewers and Drainage Facilities, 2000.
14. For New Subdivisions Only:
All jetting shall be performed with a probe route on not greater than
7.5-foot centers with the jetting probe centered over and parallel
with the direction of the pipe. Trench widths greater than 10 feet
will require multiple probes every 7.5- foot centers. Trench backfill
depths less than 8 feet in depth shall be probed to a depth extending
to half of the trench backfill, but not less than 3 feet. Trench
backfill greater than 8 feet in depth shall be probed to half the
depth of the trench backfill but not greater than 8 feet. Jetting
shall be performed from the low surface topographic point and proceed
toward the high point, and from the bottom of the trench backfill
towards the surface. The flooding of each jetting probe shall be
started slowly allowing slow saturation of the soil. Water is not to
be allowed to flow away from the ditch without first saturating the
trench. Contractor shall identify the locations of surface bridging
(the tendency for the upper backfill crust to arch over the trench
rather than collapse and consolidate during the jetting process). The
contractor shall break down the bridged areas using an appropriate
method such as the wheels or bucket of a backhoe. When the surface
crust is collapsed; the void shall be backfilled with the same
material within the sunken/jetted area shall be compacted such that no
further surface subsidence occurs. (Ordinance 151.68).
15. All pipe joints and joints on new structures shall use City
approved rubber compression type joints. Water stops are required at
all points of connection not using rubber compression type joints such
as connections to existing structures. (Ordinance 151.68).
16. Concrete covers on structures will not be allowed. Only cast iron
covers are permitted. (Ordinance 151.68).
17. All storm sewer design is to conform to the City of St. Charles
design requirements. (Ordinance 151.69).
18. It shall be the responsibility of the contractor/developer to
provide traffic control per the latest edition of the Manual of
Uniform Traffic Control Devices.
19. Finished grades shall not exceed a 3:1 slope (33%). (Ordinance
151.30(A))
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