4.1. ERMUSR 11-17-2015 Elk River
Municipal Utilities UTILITIES COMMISSION MEETING
TO: FROM:
Elk River Municipal Utilities Commission Eric Volk—Water Superintendent
John Dietz—Chair
Al Nadeau—Vice Chair
Daryl Thompson—Trustee
MEETING DATE: I AGENDA ITEM NUMBER:
November 17, 2015 1 4.1
SUBJECT:
Petition for Water Main Looping and Extension Variance
BACKGROUND:
13296 Mississippi Road is in the planning process for development. The lot is going to be split
into three different lots. The developer,Alex Bodnar, is required to loop the water main when it
is installed. The plan to loop the water main from Gary Street to Joplin Street has already been
approved by city council. Bodnar Builders has requested that the Elk River Utilities Commission
direct the Water Department to install six-inch HDPE water main from the western edge of
13296 Mississippi Road to the existing twelve-inch water main on Joplin Street.
DISCUSSION:
In the past ERMU has not paid for any installation of new water main in a development. There
are a couple of policies already in place requiring the installation of loops, and who should pay
for them.
• Section 105 of the ERMU Water Rules dictates that the cost rests on the developer.
• ERMU Policy 5.2 states that"all water mains shall be looped, or in the case of phasing of
developments,that provisions be made to loop them in the future."Requiring developers
to loop water mains is common.
• The City of Elk River and Elk River Municipal Utilities has adopted the Recommended
Standards for Water Works Policy by the Great Lakes-Upper Mississippi River Board
and Provincial Public Health and Environmental Engineers. In Section 8.2.4 of the
policy, it states"dead ends shall be minimized by making appropriate tie-ins whenever
practical, in order to provide increased reliability of service and reduce head loss."
• Section 3400.A.7 of the City of Elk River Design Standards reads, "no dead ends shall be
constructed, all water mains shall be looped."
There are recent cases when developers have had to pay 100%of the water main installation
cost.
POWERED BY
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• Benzinger Properties has recently, and is continuing to install water main in the
Prestigious Woodland Hills Development. Benzinger Properties is paying for 100%of
the cost of installation.
• When The City of Elk River developed Natures Edge Business Park, they paid for 100%
of the water main installation in the Natures Edge Business Center.
• The West Oaks, and Kliever Lake Fields Developments were installed entirely by the
developer; they also continue to pay 100%of any changes to the water mains or services
in the development due to lot changes.
ACTION REQUESTED:
Staff requests the Commission deny Bodnar Builders request to pay for the installation of six
inch HDPE water main from 13296 Mississippi Road to the twelve-inch water main on Joplin
Street.
ATTACHMENTS:
• Bodnar Builders Letter of Request
• ERMU Policy—5.0 Water Department Rules, Section 105 Main Extensions
• ERMU Policy—5.2 Looping of Water Mains
• Recommended Standards for Water Works—Section 8.2.4 Dead Ends
• City of Elk River Watermain Design Standards—Section 3400
• GIS Map of 13296 Mississippi Road
• Heritage Park Utility Plan
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WATER RULES
105 MAIN EXTENSIONS
MAIN EXTENSION POLICY
The Elk River Municipal Utilities Board of Commissioners shall make the determination as to the
feasibility of all water main extension petitions.
The design and construction standards of water main facilities shall be approved by the General
Manager.
When water trunk facilities are proposed to be extended, a feasibility report shall be completed,
analyzed
and approved by the Elk River Utilities Commission and City Council. Trunk water main facilities shall
be financed by assessing the effected property owners.
main al .'' _ ., , In the case of oversizing the water distribution
system to accommodate trunk requirement,the Elk River Municipal Utilities will reimburse the developer
for the costs of such oversizing.
When an easement is required to make a line extension for the purpose of providing water service to a
customer's property,the customer shall be required to grant or obtain the necessary easement at no
cost to the Elk River Municipal Utilities.
MAIN INSTALLATION
No water main or main extension will be installed in any street until the same shall have been brought to
grade. Connection to the water distribution system will only be allowed when connection to the sewer
system is made or arrangements to do so are finalized.
106 WATER ACCESS FEES &CONNECTION CHARGES
When water main facilities are extended into a newly developed area, the following fees, terms, and
conditions shall apply.
RESIDENTIAL DEVELOPER
a) Execute Developers agreement with the City of Elk River.
b) Provide 3(three)plat maps with easements and CADD diskette of plat.
c) Payment of$300 per living unit for plat area at time of plotting for Water Access Fee (WAC).
d) Developer will design with Elk River Municipal Utilities'approval, water main system within plotted
area and install the same per Elk River Municipal Utilities specifications.
RESIDENTIAL HOME BUILDER/OWNER
a) Connection and Meter fees must be paid and a copy of the City's plumbing permit must be received
before delivery of the water meter will be made.The cost is either$2,700.00 or$3,000.00 plus
current standard meter cost(see Base Charge List Item#2)depending on the area.($300 Water
Access Charge, $2,700.00 Water Connection Charge, {see Base Charge list Item#2}Water Meter-
tax included.)
COMMERCIAL/INDUSTRIAL DEVELOPER
a) Connection, access and meter fees(See Base Charge List)must be paid and plumbing permit
number supplied before delivery of the water meter will be made. The remaining portion of the WAC
fee will be paid at this time upon determination of total WAC units. The number of WAC Unites shall
be calculated the same as Sewer Availability Charges, as provided in Section 78-189 of The City of
Elk River Code of Ordinances.
11
114
Elk River _
Municipal Utilities
5.2 Looping of Water Mains
1.0 Looping of Water Mains
All watermains shall be looped or, in the case of phasing of developments, that provisions be
made to loop them in the future.
115
DISTRIBUTION SYSTEM PIPING AND APPURTENANCES PART 8
8.2 SYSTEM DESIGN
8.2.1 Pressure
All water mains, including those not designed to provide fire protection, shall be sized after a
hydraulic analysis based on flow demands and pressure requirements. The system shall be
designed to maintain a minimum pressure of 20 psi (140 kPa)at ground level at all points in the
distribution system under all conditions of flow. The normal working pressure in the distribution
system shall be at least 35 psi (240 kPa)and should be approximately 60 to 80 psi (410 -550 kPa)
and not less than 35 psi (240 kPa).
8.2.2 Diameter
The minimum size of water main which provides for fire protection and serving fire hydrants shall
be six-inch diameter. Larger size mains will be required if necessary to allow the withdrawal of the
required fire flow while maintaining the minimum residual pressure specified in Section 8.2.1.
The minimum size of water main in the distribution system where fire protection is not to be
provided should be a minimum of three(3)inch diameter. Any departure from minimum
requirements shall be justified by hydraulic analysis and future water use, and can be considered
only in special circumstances.
8.2.3 Fire protection
When fire protection is to be provided, system design should be such that fire flows and facilities
are in accordance with the requirements of the State Insurance Services Office.
8.2.4 Dead ends
a. be rrdnkrdzed by meting mprivirde Wins**mew 'holder
provide inceeeed reWailify of service and reduce heed toes.
b Dead end mains shall be equipped with a means to provide adequate flushing. Flushing
devices should be sized to provide flows which will give a velocity of at least 2.5 feet per
second in the water main being flushed. They may be provided with a fire hydrant if flow and
pressure are sufficient. No flushing device shall be directly connected to any sewer.
8.3 VALVES
A sufficient number of valves shall be provided on water mains to minimize inconvenience and sanitary
hazards during repairs. Valves should be located at not more than 500 foot intervals in commercial
districts and at not more than one block or 800 foot intervals in other districts.Where systems serve
widely scattered customers and where future development is not expected,the valve spacing should
not exceed one mile.
8.4 HYDRANTS
8.4.1 Location and spacing
a. Fire hydrants should be provided at each street intersection and at intermediate points
between intersections as recommended by the State Insurance Services Office. Generally,
fire hydrant spacing ranges from 350 to 600 feet depending on the area being served.
-116-
116
SECTION 3400
WATERMAIN DESIGN STANDARDS
A. DESIGN CRITERIA
1. The minimum size of watermain shall be 8 inches. (Hydrant leads can be 6").
2. Watermain pipe shall be ductile iron in accordance with AWWA C151.
3. The minimum bury depth of watermain shall be 7' - 6" to top of pipe.
4. The minimum size of water service lines and corporations shall be 1 inch. Three-
quarter inch by 1-inch corporations may be used when tapping mainlines. Water
service pipe shall be Type K, seamless copper water tubing, soft annealed temper
and conform to the requirements of ASTM B 88. When water service lines
exceed 200-feet, the service line and corporation shall be 11/".
5. No be constmeted,alt wotetiflait*
6. Water looping outside of the Right of Way shall be HDPE, valved at each end
with no connection/services in between.
7. HDPE watermain shall have location tracer wire placed with it. The location wire
shall be 8-gauge plastic jacket type TW or THW. Splices shall be made using 3M
cast kits and shall not occur more frequently than one per 250 feet of pipe.
Tracer wires shall run up along the outside of the valve box and be threaded
through a hole in the top part of the valve box drilled for that purpose. See
Standard Plate 3408.
8. Temporary dead-end mains shall be equipped with a fire hydrant for flushing
purposes.
9. Hydrants shall be spaced so that all portions of a building or residence to be
protected are within a 250 foot radius of a hydrant. (Final review will be made by
the Fire Chief and City Engineer)
10. Each hydrant lead shall be equipped with a resilient seated valve for shut-off
purposes and installed in accordance with the standard detail.
11. Valves shall be placed throughout the distribution system so that each portion
may be isolated with the least interruption of service. Valves shall be placed at
each roadway intersection or the intersection of watermains. (Final review will be
made by the Water Superintendent and City Engineer)
Elk River Design Standards-March 2006 3400- 1
117
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