HomeMy WebLinkAbout20083847.tiff Q Weld County Planning Department
GREELEY OFFICE
a JUN 05 7008
_ MEMORANDUM RECEIVED
ITO: Kim Ogle,Planning Services DATE: June 3,2008
�. FROM: David Snyder, E.I.,Public Works Department
COLORADO SUBJECT 1P 059;Rtdgevtew-PUDr(Final Plat)#2 IV
Weld County Public Works Department has reviewed this final plat request. Comments made during this phase of the
subdivision process may not be all-inclusive, as other concerns or issues may arise during the remaining application
process.
Comments
General Comments:
❑ Please address and resolve all redlines on the Final Plat, Final Drainage Report and the Construction Drawings.
❑ Public Works requires 3 sets of final construction plans with original Professional Engineer stamps who is licensed in the State
of Colorado,signatures and date. One check set of final construction plans may be submitted for review prior to supplying the 3
sets of signed plans.
External Roadways:
❑ Weld County Strategic Roadway: (December 2002) WCR 49 is classified by the County is a Strategic Roadway, which
requires a 140-foot right-of-way at MI build out. There is presently a 60-foot right-of-way. This road is maintained by Weld
County. Pursuant to the definition of SETBACK in the Weld County Zoning (23-1-90), the required setback is measured from
the future right-of-way line. Please add correct Right-of-Way dimension on siteplan.
O WCR 52 is classified by the County as a local gravel road and requires a 60-foot right-of-way. The applicant shall verify the
existing right-of-way and the documents creating the right-of-way shall be noted on the change of zone plat. If the right-of-way
cannot be verified, it will be dedicated on the final plat.
❑ Based on the proposal of limited development and apparent low traffic impact, a traffic study is not currently required. This
development will add approximately 86 trips per day to transportation system.
❑ This development will introduce additional vehicle trips to the roadway system. This increased level of traffic on unpaved roads
creates fugitive dust and surface maintenance problems. The applicant shall enter into an agreement with the County to
proportionately share the cost of dust abatement. The cost will be based on a proportion of the traffic generated by the
development to existing traffic. The applicant shall submit a proposed agreement with the final plan application.
Internal Roadways:
❑ The internal roadway right-of-way shall be 60-feet in width including cul-de-sacs with a 65- foot radius, and maintained by the
HOA as stated in the rules and bylaws of Ridgeview PUD, Article 111-Common Elements: "Maintenance, Repair, and Insurance.
The Association shall be responsible for the maintenance and repair of the Common Elements which shall be common expense of
all Owners. This maintenance shall include, but not limited to, upkeep, repair and replacement of signs, roads...". The typical
cross-section of interior road shall be shown as two 12-foot paved lanes with 4-foot gravel shoulders on the change of zone plat.
The cul-de-sac edge of pavement radius shall be 50-feet.
❑ The applicant shall submit to Public Works stamped,signed and dated final plat drawings and roadway/construction &grading
plan drawings for review(with the final application)and approval. Construction details must be included. This is consistent with
County Code: Sec. 24-3-50, "The minor subdivision final plat submitted shall contain the original signatures and seals of all
parties required."
O The applicant shall provide a pavement design and a copy of the Final Soils and Geotech Report prepared by a Professional
Engineer licensed to practice in the State of Colorado along with the fmal plan submittal.
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A❑ The applicant shall submit Private Roa mprovements Agreements According to Policv'Regarding Collateral For Improvements
with the final plan application. These agreements must be reviewed by Public Works and shall be approved by the BOCC prior to
recording the final plat.
Drainage:
❑ Please address and resolve all redlines in the Final Drainage Report and Construction Drawings.
❑ Emergency overflow spillway shall have a maximum depth of 6". Please reconfigure spillway for this maximum depth.
❑ Final drainage construction and erosion control plans (conforming to the drainage report) stamped, signed and dated by a
professional engineer licensed in the State of Colorado shall be submitted with the final plan application.
o Please remove the"Preliminary,not for construction"note from all drawings for final submittal.
Recommendation
❑ The above comments are prerequisites and shall be fulfilled prior to recording the final plat.
The applicant shall address the comments listed above at the specific step of the review process stated. The'review
process will continue only when all appropriate'elements have been submitted. Issues of concern must be resolved
with the Public Works Department prior to recording thechange of zone an tfinal plats.
PC:PF-1050 Ridgeview PUD(Final Plat)
Email&Original:Planner
PC by Post: Applicant
PC by Post: Engineer
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Drainage Design Considerations
for
Ridgeview Estates P.U.D.
Weld County, Colorado
Final Plat Application
April 24, 2008
Prepared for:
FR]
li P&A Turkey Farms, Inc.
li P.O. Box 22253
` i ) 'u, APR 2 8 2008 II 1 Denver, Colorado 80222
LWB&.[i COJ;Jil PUBLIC WORKS DEPT Prepared
P by:
Wohnrade Civil Engineers, Inc.
337 W. Main Street
Barrington, Illinois 60010
Phone: (847)381-2745, Fax: (847)381-2746
Project Number:0301.00-PAF
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Wohnrade Civil Engineers, Inc.
337 W.Main Street Barrington,Illinois 60010 Phone:847-381-2745,Fax:847-381-2746
April 24, 2008
Weld County
Department of Planning Services
1555 N. 17th Avenue
Greeley, Colorado 80631
• Re: Drainage Design Considerations for
• Ridgeview Estates P.U.D.
Weld County, Colorado
Final Plat Application
Dear Staff:
Wohnrade Civil Engineers, Inc. is pleased to submit this drainage study for Ridgeview
Estates P.U.D. for your review. This report complies with the storm drainage design
and technical criteria defined in Section 24-7-130 of the Weld County Code. -
We acknowledge that review of this study by Weld County is for general conformance
with submittal requirements, current design criteria and standard engineering principles
and practices.
If you should have any questions or comments as you review this report, please feel
free to contact me at your convenience. -
Sincerely, Own.,
WOHNRA • RS, INC.
IS 9k 30325 �
Mary B. Wtr , P.E. .0*�`'
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I hereby certify that this report for the drainage design of Ridgeview Estates
P.U.D. was preps�dOp(1)g�(or under my direct supervision) in accordance with the
provisions oft 6► t ,jstorm drainage design criteria for the owners thereof.
,
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Mary B. Wail); e,,,P.E.
�S/ONpL
IRegistered Profealomat fiineer
State of Colorado No. 30325
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User Name: Mary Date: 03-03-08
�' Project: PAF - P&A Turkey Farm Time: 12:53:37
q' Scenario: 100yr Developed Page: 1
' RESERVOIR REPORT
Q■ Reservoir Number: 1
Name: Pond 1 Stage-Storage Rating
ti
{, G [RATING CURVE LIMIT]
Minimum Elevation = 4738.50 (ft)
Maximum Elevation = 4744 .00 (ft)
�''' Elevation Increment = 0.50 (ft)
[STAGE STORAGE INFORMATION]
Storage Method: User-Defined Storage
K Input Method: Volume 1
INumber Elevation Area Ave Area Volume - Cumulative Volume
(ft) (sq ft) (sq ft) (cu ft) (cu ft)
it 1 4738.50 0.00 0.00 0.00 0.00
2 4739.00 4143.48 2071.74 36.09 36.09 W Q e-
"
3 4740.00 25419.00 14781.24 2016.72 2052.81 /.v 5 3_ a al...'
4 4741.00 45864.53 35641.77 21627.97 23680.78 '
5 4742.00 69455.93 57660.23 44769.22 68450.00 = 4 14`: •
6 4743.00 86362.33 77909.13 63308.76 131758.76 [/
7 4744.00 89103.04 87732.68 80029.61 211788.37 T•OAc-at
li [DISCHARGE INFORMATION]
r'+ Structure Number: 1
�,� Type: Circular Orifice
Name: 2" Dia. Orifice
tt
t^ [RESERVOIR STAGE STORAGE/DISCHARGE]
Elevation Stage Area Storage Discharge
(ft) (ft) (sq ft)_-_ (cu ft) (cfs)
4738.50 0.00 0.00 0.00 0.00
4739.00 0.50 216.53 36.09 0.07
4739.50 1.00 3133.34 1044.45 0.10
4740.00 1.50 4105.61 2052.81 0.13
4740.50 2.00 19300.19 12866.79 0.15
4741.00 2.50 28416.94 23680.78 0.16
4741.50 3.00 46065.39 46065.39 0.18
4742.00 „ 3.50 58671.43 68450.00 0.19
4742.50 yr 4.00 75078.29 100104.38 0.21
749 3.02' Al' 4.50 87839.18 131758.76-3.0-4cl 0.22
4743.50 t. 5.00 103064.14 171773.57 0.23
4744.00 5.50 115520.93 211788.37 0.25
Maximum Storage = 211788.37 (cu ft)
�� Maximum Discharge = 0.25 (cfs) .
t
k
�43
QI
Illi' User Name: Administrator Date: 12-04-07
Project: PAF - P&A Turkey Farm Time: 09:46:56
' Page: 1
Scenario: 100yx Developed
OUTLET STRUCTURE REPORT
`tt^ Structure Number : 2
Type Trapezoidal Weir
' Name : Pond Emergency Overflow Weir IC" ]" [RATING CURVE LIMIT]
"
Minimum Elevation = 4743.00 (ft)
A Maximum Elevation . =
4744.00 (ft)
'i 0.10 (ft)
Elevation Increment =-
'"
'A [OUTLET STRUCTURE INFORMATION] 10.00 (£t)
Crest Length
ti.- Angle of Walls = 151.9296
Crest Elevation = 4743.00 (ft)
At Weir Coefficient = 3.13"
Exponential = 1.50
[TRAPEZOIDAL EQUATION]
• "; Q = Cw * ( L + 0.8H * tan ( ang/2.0 ) ) * H^exp
f
r [DEFINITIONS]
"` Cw = Weir Coefficient
LI H = Headwater depth above inlet control section invert
+' L = Crest lenght
ang = Angle of the walls
t [MAXIMUM DISCHARGE] = 41.32 (cfs)
Q
r:S [WEIR STAGE VS. DISCHARGE]
rr
Elevation (ft) . Stage (ft) Discharge (cfs)
I 0.00 0.00
A 4743.00
4743.10 ' �? 4( 0.10 1.02.
v 4743.20 o9 WS' 0.20 5.64
"" 4743.30 0.30
`'' 4743.40 0.40 8.93
4743.50 0.50 12.84
`' 4743.60 0.60 17.34
4743.70 0.70 22.44
4743.80 0.80 28.13
4743.90 0.90 34.42
4744.00 1.00 41.32 > 100yr Inflow= 36.48 cfs
r'
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Page 1 of 1
•
Kim Ogle
From: Lauren Light
Sent: Thursday, March 27, 2008 4:28 PM
To: Kim Ogle
Cc: mary@wcecivil.com
Subjects P -1050
Kim, The revised septic envelopes, provided by the applicant, are acceptable to Environmental Health Services,
Weld County Department of Public Health & Environment for PF-1050. If you need any additional information,
please let me know. Thank you.
Lauren Light
Environmental Planner, Environmental Health Services
Weld County Department of Public Health & Environment
1555 N. 17th Ave.
Greeley, CO 80631
970-304-6415 Ext. 2211 (office)
970-304-6411 (fax)
•
03/27/2008
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