HomeMy WebLinkAboutTHE OVERLOOK AT WOODRIDGE PUD, 4TH FILING - FINAL - 55-87K - CORRESPONDENCE - MEETING COMMUNICATION • •
MEETING MINUTES
Project: Woodridge 4th Filing Taft Hill/Harmony Road Intersection
Project No.: 434-013
PEpiis-- ° 4
Date: August 18, 1994 2 2 I994
Time: 3:00 pm - 4:00 pm
Location: City of Fort Collins Planning
Attendance: City of Fort Collins Engineering - Mike Herzig
City of Fort Collins Engineering - Matt Baker
• City of Fort Collins Stormwater - Glen Schlueter
RBD - Kevin Gingery
ITEMS DISCUSSED:
1. Kevin began the meeting by explaining how RBD designed the storm sewer pipe across
Taft Hill Road immediately north of the proposed Harmony Road intersection. RBD
utilized the existing Master Planning Hydrologic Analysis Map (see enclosure) which
indicated the drainage patterns at the intersection and through the existing Imperial
Estates subdivision. Kevin explained what he observed at the intersection this past
summer following a major rain storm event in the area (which took place only a few days
before the Woodridge 4th Filing Utility Plans were submitted to the City of Fort
Collins): an existing cmp culvert across Taft Hill Road on the north side of the
intersection, ponded water along the west side of Taft Hill Road at the intersection,
ponded water in front of the existing homes within Imperial Estates and how it appeared
in the field that storm water downstream of the intersection spread out with some water
entering Imperial Estates and some crossing onto the Woodridge property.
RBD's approach to handling storm water at the intersection was to direct storm water at
the intersection exactly as shown on the Master Planning Hydrologic Analysis Map, but
with the intent that a meeting like this one would take place to discuss the appropriate
path for storm water to take once the water crossed Taft Hill Road. The approximate
100 year fully developed storm water flow at the intersection is 192j fs. RBD observed
in the field the flat street slopes within the Imperial Estates subdivision and how it
appeared that driveways to some of the homes sloped from the street to the homes.
Kevin explained his concerns with trying to pass 192 cfs of storm water through the
Imperial Estates subdivision as indicated on the Master Planning Hydrologic Analysis
Map and that RBD had recently met with the City Stormwater Utility to discuss the
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appropriate method to transport the 192 cfs of storm water from Taft Hill Road to the
regional detention ponds planned within the MountainRidge Farm development near
Shields Street.
Kevin explained that from the previous meeting at the City Stormwater Utility it was
acceptable to Gary Berger of Woodcraft Homes (Woodridge Development Owner) to
redirect the 192 cfs of storm water along the north side of the Gates at Woodridge 4th
Filing project in an open space swale (8 foot bottom width, 4:1 side slopes, 2.1 feet
normal depth) from the Harmony Road realignment to the northeast corner of the
Woodridge development. Kevin explained that from the previous meeting at Stormwater
it was concluded additional meetings would need to occur to discuss how storm water
should get from Taft Hill Road to the open space swale along the north side of the Gates
at Woodridge 4th Filing development, and from the northeast corner of the Woodridge
development across the City of Fort Collins park site and across future Seneca Street and
across the MountainRidge Farm site to the proposed regional storm water infrastructure
to be constructed with the MountainRidge Farm development.
2. Kevin explained that he understood from a previous meeting with Mike Herzig that the
City of Fort Collins would like to have the Taft Hill Road/Harmony Road intersection
constructed as soon as possible due to the existing traffic problems at this intersection.
Mike agreed that the City would like to see these improvements constructed by the Fall
of 1995, but if downstream conveyance problems required additional time to resolve
beyond the Fall of 1995, he could delay these improvements from construction until the
downstream problems are resolved in a timely manner.
3. Next we discussed the proposed Harmony Road/Taft Hill Road intersection as currently
designed. Kevin explained how drainage is currently designed to function in accordance
with the existing Master Planning Hydrologic Analysis Map. We discussed transporting
storm water from Taft Hill Road, down Harmony Road and into the Woodridge Regional
Detention Pond. Glen explained the existing downstream problems associated with storm
water at Weber Junior High School along Seneca Street and that additional storm water
in this area would be harmful to downstream residents.
4. The following conclusions were reached as a result of todays meeting: (refer to the
attached intersection drawing)
a. Matt and Mike indicated that the current drainage concepts planned at the
intersection need to be modified. They indicated the proposed cross pans across
County Road 38E and Harmony Road would not be allowed._
b. A temporary culvert (15" RCP) should be designed across County Road 38E
along the west side of the Taft Hill Road/Harmony Road intersection instead of
the cross pan. This will allow minor storm water flows from existing
developments southwest of the intersection to cross under County Road 38E and
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enter the proposed storm sewer under Taft Hill Road.
c. In place of the cross pan across Harmony Road, an inlet should be placed at the
southeast corner of the intersection to collect 100 year storm water runoff along
Taft Hill Road and transport these flows across Harmony Road to the storm sewer _
system across Taft Hill Road.
d. The storm sewer across Taft Hill Road should be designed to transport the 192
cfs of storm water runoff under Taft Hill Road, along the Harmony Road Right-
of-Way, to the Gates at Woodridge 4th Filing proposed swale. Mike expressed
concern that the 192 cfs of storm water was a good number. Glen explained that
the City Stormwater Utility has asked RBD to revisit the Master Planning SWMM
Modeling done for the area west of Taft Hill Road with the intent to verify the
SWMM Modeling is accurate (to the best of RBD's ability) and the 192 cfs value
is valid. Kevin explained that the 192 cfs of flow would need to all be piped (in
an unknown pipe size) under Taft Hill Road because with the revised design
concept there would be no physical way for storm water to cross over the crown
of Taft Hill Road and sheet flow into the swale proposed in the Gates at
Woodridge 4th Filing. Kevin pointed out that with the existing Telephone Fiber
Optics Cable in Taft Hill Road, and the need to pass 192 cfs of storm water
beneath Taft Hill Road, careful planning will need to occur so as to not disturb
the cable and cross Taft Hill Road with a reasonable pipe or box size. Everyone
was in agreement with these issues. Mike asked that the storm sewer alignment
along the Harmony Road Right-of-Way be placed between the Right-of-Way and
the curb and gutter, be coordinated with the Landscape Plan, and be coordinated
with the other public utilities planned within this area so no conflicts arise with
the storm sewer alignment.
e. Kevin asked if an off-site storm sewer design should be done along the west side
of Taft Hill Road and everyone said no because this is in the County and should
be done by others in the future like the note on our Utility Plans indicates. The
15 inch culvert proposed across County Road 38E should include flared end
sections upstream and downstream with a note on the Utility Plans that it is a
temporary culvert. It is acceptable to end the storm sewer across Taft Hill Road
with a flared end section.
f. Matt asked RBD to please provide him with the appropriate legal descriptions and
exhibits for the property the City needs to purchase in the Imperial Estates
subdivision to construct the proposed Harmony Road/Taft Hill Road intersection
which includes the proposed storm sewer system within the northerly right-of-way
of Harmony Road. Kevin indicated that when the Overlook at Woodridge 4th
Filing (Utility Plans associated with these improvements) is resubmitted to the
City, these legal descriptions and exhibits'would be provided to Matt.
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g. Glen indicated that the City Stormwater Utility would be paying for the time
utilized by RBD to confirm the 192 cfs flow value at the Taft Hill Road/Harmony
Road intersection either through the Developer Repay Program or directly
through the Stormwater Utility. This study area is located within Larimer
County, but the City of Fort Collins Stormwater Utility has an active interest in
these flow values in order to properly size downstream regional storm drainage
improvements within the City of Fort Collins which begin east of the Imperial
Estates development.
h. Kevin indicated that it was his understanding the storm sewer system design and
construction as shown on the attached exhibit would be paid for by the City
Engineering Department along with the Taft Hill Road/Harmony Road
Intersection improvements project through the Developer Repay Agreement. Matt
and Mike agreed that this is correct.
Kevin indicated that the swale through the Gates at Woodridge 4th Filing would
be graded and seeded by Woodcraft Homes per a previous meeting between the
City Stormwater Utility, Gary Berger (Woodcraft Homes) and RBD. This swale
will also contain a natural looking low flow trickle channel. This swale is not
viewed as a regional swale, but rather a swale necessary to transport historic
storm water runoff through the Woodridge Development. The City Stormwater
Utility Master Planning Regional Improvements begin at the eastern property line
of Imperial Estates (Larimer County) and continue downstream through the City
of Fort Collins.
j. It was concluded that additional time and meetings would be required to
determine where to take the 192 cfs of storm water from the northeast corner of
the Woodridge development. Glen indicated he would set up additional meetings
with the City Parks Department, GT Land, and the Weber Junior High School
representatives probably one at a time in order to work through these off-site
issues. These off-site storm water improvements will be regional drainage
improvements associated with the City of Fort Collins McClellands and Mail
Creek Basin.
k. Kevin asked if the Overlook at Woodridge 4th Filing and the Gates at Woodridge
4th Filing Utility Plans could be separated into two different time tracks due to
the unresolved downstream off-site issues needing storm water answers and
design. Mike and Matt indicated they had no problem with this as long as the
Developer pays the appropriate filing fees for each development.
1. Kevin indicated that the Overlook at Woodridge 4th Filing would proceed
immediately to be updated with this new design criteria for handling storm water
at the Taft Hill Road/Harmony Road intersection and resubmitted to the City in
a timely manner.
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m. Kevin indicated that the swale proposed along the north property line of the
Woodridge development, to transport the 192 cfs of storm water runoff, would
be included on the Gates at Woodridge 4th Filing Utility Plans. In addition the
off-site Regional Swale improvements (unknown at this time) across the
MountainRidge Farm development would also be included on these Utility Plans.
These Utility Plans will also include the Regional Detention Pond improvements
proposed within this development.
END OF MEETING MINUTES
These meeting minutes have been prepared by RBD, Inc./ Kevin Gingery. Any corrections,
additions and/or modifications should be forwarded in letter form to the following address:
Mr. Kevin Gingery, P.E.
RBD, Inc. Engineering Consultants
209 S. Meldrum
Fort Collins, Colorado 80521
Prepared by:
evm� ai•
evin W. Ginge P. .
cc: City of Fort Collins Engineering - Mike Herzig
City of Fort Collins Engineering - Matt Baker
City of Fort Collins Stormwater - Glen Schlueter
City of Fort Collins Stormwater - Basil Hamdan
City of Fort Collins Stormwater - Lincoln Mueller
City of Fort Collins Planning - Ted Shepard
RBD - Kevin Gingery
Cityscape - Eldon Ward
Woodcraft Homes - Gary Berger
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