HomeMy WebLinkAbout20182068.tiffUSE BY SPECIAL REVIEW (USR) APPLICATION
DEPARTMENT OF PLANNING ERVICE * 1555 N. 17T" AVENUE * GREELEY, CO 80631
www, weldgove com * 970i-353-6100 EXT 3540 * FAX 970-304-6496
FOR PLANNING DEPARTMENT USE:
AMOUNT
APPLICATION RECEIVED BY
Parcel Number*:
Address of site:
I
4 7
DATE RECEIVED:
CASE # ASSIGNED:
PLANNER ASSIGNED:
2113 CR 45 Hudson CO 80642
4
9
Legal Description: Lot A RE 2702
Zone District: A
Acreage: 21.39
FEE OWNER(S) OF THE PROPERTY:
Name: Shawn Wiant
(*A 12 digit number on Tax 1.0,
information, obtainable at
www 1wekigov.corn).
Section:22 Township: PI N Range: 65 w
F1oodp}ain: '' IO eological Hazard: YCN 0 Airport Overlay: YCN
Company:
Phone #: 303 929-8495
Street Address: 2113 CR 45
City/State/Zip Code: Hudson CO 80642
Email: shawn@surnmitmachinery.00m
Name: Susan Wiant
Company:
Phone #: 720 281-1231
Street Address: 2113 CR 45
EmaiS: tsdws@aol,00m
City/State/Zip Code:
Hudson CO 80642
Name:
Company:
Phone #: Email:
Street Address:
City/State/Zip Code:
APPLICANT OR AUTHORIZED A ENT: (See below: Authorization must accompany all applications signed by Authorized Agents)
Name:
Company:
Phone #:
Street Address:
City/State/Zip Code:
PROPOSED USE:
Email:
Propose to operate a small business selling used construction equipment. The business will have one owner/employee .
I (We) hereby depose and state under penalties of perjury that all statements, proposals, and/or plans submitted with or
contained within the application are true and correct to the best of my (our)knowledge. Signatures of all fee owners of property
must sign this application. if an Authorized Agent signs, a letter of authorization from ail fee owners must be included with the
application. If a corporation is the fee owner, notarized evidence must be included indicating that the signatory has to legal
rity to sign for the corporation.
° fir U r
/ 8
ure: Owner or Authorized Agent a Signature: Owner or Authorized Agent Date
i
vsiridics
Print Name Rev 4/2016
Print Name
Planning Questions:
1. The proposed use of the property will add a small used -construction -equipment sales business
to the e i sting single family residence and livestock grazing use. This will not be a
repair/refurbishment business. There will be no wash rack, painting facility, or repair facility at
this location. The proposal is to display up to 12 machines on site for viewing/inspection by
prospective buyers. Machines will be delivered to and removed from the site by truck and
trailer, typically not longer than 45 feet.
2. A
3. NA
A
4. The surrounding land use is agricultural. This proposed additional use will not detract from the
surrounding agriculture, nor will it significantly impact any nearby residences.
5. Hours and days of operation will vary, but may include any days of the week, including
holidays. Due to the small scale of the business, there will not be a significant noise or traffic
signature during operating hours. The driving factor for operating hours is the arrival of
prospective buyers, which is typically by appointment, and the movement of machines onto or
off of the property. Most activity will occur during daylight hours due to the need to inspect
machines.
6. There will be one owner/employee who will live and work at this site,
7. NA
8. The number of non -owners who will use this site is minimal. It will include prospective buyers
and carriers who have been hired to move machines in or out. Most machines will be moved by
the business operator or by the buyer.
. NA
10. Most st of the surface area on this property will remain as -is, with the proposed addition of
approximately 10000 sf of 1" clean recycled concrete for the parking area.
11. We will not create parking spaces. Customers will use the existing driveways and the
equipment parking pads to park their vehicles for inspecting or loading machines. The low
volume of vehicles anticipated at any time will not require any designated parking.
12. The existing landscaping is native grasses with trees and shrubs near the dwelling. No change
to this is anticipated by this application.
13. The existing fence is 4 feet tall field fence with smooth wire above that. No change to this is
anticipated by this application. The existing entry gate will be moved west to a distance of 60'
from the edge of the pavement on the county road. This will accommodate trailers turning in
and leaving the property
14. NA
15. If the proposed use is terminated, the ground can be reclaimed by raking and removing the
recycled concrete, tilling the surface, and replanting to native grasses.
16, Fire protection is now, and will be, provided by Hudson FPD.
17. N
Engineering questions:
1. The number of vehicle roundtripsiday will vary, but will not add significantly to the existing
traffic at the site, We anticipate 2-3 prospective buyer trips per week, with occasional traffic to
bring equipment to the lot. The majority of the traffic will be pickups and pickup/trailer
combinations.
. Travel to/from this site will be from the north or the south on CR 45. There is no other access.
. We have no way to anticipate what percentage of traffic will come from which direction.
4. Most traffic at the site will be expected between 8 am and 6 pm. There will not be traffic surges
due to the small scale of the business.
5. Access will be via the existing driveway which is on the west side of CR 45.
6. See attached engineering report.
Environmental Health questions:
1. The drinking water source is a domestic well, permit number 229695-- , A. Drinking water will
be available inside the residence for anyone who is on -site. We do not anticipate a measurable
increase in water usage.
2. Sewage disposal will be via septic system, permit number SP -0000532. Toilet facilities will be
available inside the residence for anyone on site who needs it. The gate will be closed when the
owner is not present, so the public will not have access to the site during those times.
3. NA
4. NA.
5. There will be no on -site fuel storage. If there is a need to add fuel to a machine on site, it will
be done with a portable 5 -gallon container, which will be filled off -site and transported to the
machine specifically.
.
6. This operation will not include washing of vehicles or equipment. Commercial washing
facilities in town will be used as needed.
7. NA
8. NA
9. NA
10. NA
11. NA
Building questions:
1. The existing structures include a single-family dwelling (1793 se with attached garage (840 st),
a shop building (2048 sf) with no heat or plumbing, and a livestock/haybarn (1200 sf) with no
heat or plumbing. No new buildings will be added by this application.
2. The only use of existing structures for this application will be a small office space in the
residence. It will occupy less than 10% of the residence. The office will be used for storing
files, creating invoices, managing marketing.
. NA
Traffic Narrative
Due to the relatively small size and the nature of the business use proposed, there will be no
appreciable increase 1n traffic along County Road 45 near the site. Trips to and from the property will
be primarily for delivery and removal of machines, typically fewer than five time per month, and
prospective buyers inspecting machines, typically fewer than 10 times per month. The driveway gate
has been moved to a distance of ` 60' from the near edge of the pavement, which allows for vehicles and
trailers to enter driveway without hindering traffic on CR 45. It also allows adequate room for
someone to park in the driveway and view the machines if the gate is closed when the owners are not
present.
FOR COMMERCIAL SITES, PLEASE COMPLETE THE FOLLOWING INFORMATION
BUSINESS EMERGENCY INFORMATION;
Business Summit Machinery Sales, LW 303 929-8495
Name:_ Phone:
Address.: 2113 CR 45 it , ST, Zip: Hudson CO 80642
Business
Owner: Shawn Wiant
Phone: 303 959-8495
Home Address: 2113 8 45
City, ST, Zip: Hudson CO 8Q642
List three persons in the order to be called in the event of an emergency:
NAME
Shawn Wiant
Susan Wiant
TITLE
manager
member
ADDRESS
2113 CR 45 Hudson CO 80642
2113 CR 46 Hudson CO 80642
PHONE
303 929-8495
720 281-1231
Joseph Deniston
member
22048 CR 4 Hudson CO 80642 303 915-8698
Business
Hours: 0730 "1800
Type of Alarm:
None
Days: Mon - Sat
■
Burglar ❑ Holdup a Fire Silent ❑ Audible
Name and address of Alarm Company: n1a
Location of Safe: nia
***************************** *********************, ********#************, *, *,***************************************************
MISCELLANEOUS INFORMATION:
Number of entry/exit doors in this building: nee Location(s):
Is alcohol stored in building? nia Location(s):
Are drugs stored in building? We Location(s):
Are weapons stored in building? n/a Location(s):
The following programs are offers s a public service of the Weld Coun heriffs Office. Please indicate the
programs of interest, Physical Security Check Crime Prevention Presentation
UTILITY SHUT OFF LOCATIONS:
Main Electrical: n /e
Gas Shut Of: nia
Exterior Water Shutoff: n/,a
Interior Water Shutoff: n1a
salh
Weld County Public Works Dept.
1111 H Street
P.O. Box 758
Greeley, CO 80632
Phone: (970)304-6496
Fax: (970)304-6497
Applicant
Name
Company
Address 2113 Ck
lAhirrie
City t"'ru()sii743v1 State CD Zip 60(642 --
Business Phone 3ol ��..'� - V116
Fax A
En1 ail S IfiCAO Ob L) itigi I t plier tee COQ
Parcel Location & Sketch
The access is on WCR
Nearest Intersection: WCR
Distance from Intersection
Parcel Number
5
&WCR TCov'8
rite.
ZQooco Lt9
Section/Township/Range &'- eci5W
Is there an existing access to the property . °} YES NO0
Number of Existing Accesses
Road Surface Type & Construction Information
Asphalt ir Gravel Treated Wit_ Other
Culvert Size & Type 1 r'laikv..slut
Materials used to construct Access
Construction Start Date
Proposed Use
emporary (Tracking Pad Required)/ $75
Small Commercial or Oil & Gas/$75
a Field (Agriculture Only)/Exempt
Finish Date
Is this access associated with a Planning Process?
ACCESS PERMIT
APPLICATION FORM
Property Owner (If different than Applicant)
Name
Address
City State Zip
Phone
Fax
E-mail
A = Existing Access a= Proposed Access
WCR
WCR
flsingle Residential/$75
Required. Attacch�ed Documents
- Traffic Control Plan -Certificate of Insurance
Large Commercial/$150
thiba
ter'
Industrial/$150
Subdivision/$ 150
No USR RE P'LJD rao Other
- Access Pictures (From the Left, Right, & into the access)
By accepting this permit, the undersigned Applicant, under penalty of perjury, verifies that they have received all pages of the permit
application; they have read and understand all of the permit requirements and provisions set forth on all pages; that they have the
authority to sign for and bind the Applicant, if the Applicant is a corporation or other entity; and that by virtue of their signature the
Applicant is bound by and agrees to comply with all said permit requirements and provisions, all Weld County ordinances, and state laws
regarding fad G
onstruction.
on .
Ps) Signature
Printed Name Sta
Approval or Denial will be issued in minimum of 5 days.
Revised Date 6/29/10
Date 1(6 111
Approved by
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RN ENGINEERING CONSULTANTS,
327 S. Denver Avenue, Ft, Lupton, CO 80621 Inc LLC
2501 Mill St. Brush, CO 80723
Office: 720-68,5-9951
Cell: 303.913-7,341, Fax: 720-294-1330
Email: firstn.ame. lastrtarne@juesternecieon
December 22, 2017
Weld County Planning / Engineering
1555 N. 17th Avenue
Greeley, CO 80631
RE: 2113 WCR 45 —SUMMIT EQUIPMENT— DRAINAGE LETTER
To Weld County Planning I Engineering:
Western Engineering Consultants inc LLC (WE) has been asked to provide a letter summarizing the drainage impact
the proposed additional 4,423 sft of gravel to be used for outdoor equipment sales.
Attached to this letter are the following:
• Vicinity Map
• Site Plan (Google Exhibit wl new building shown)
• FEMA Fi rmette
• Proposed Amended Floodplain Exhibit (taken from Morgan County website)
• NRCS Soils Report
• Rational Method Runoff Calculations
• Modified FAA Detention Calculations
Pursuant to the attached exhibits (including the current FEMA FIRM and the proposed amended floodplain mapping
available on the Fema and Weld County web site) — 2113 CR 45 Summit Equipment is not within a current or
expected amended floodplain. It is located within Zone X.
The entire property is made up of approximately 21.86 acres of which 5,73 acres holds all existing buildings, gravel, and
concrete including the proposed additional gravel area proposed herein.
No additional buildings are proposed this project. There are currently three existing structures including a single family
residence, an existing shop building, an existing pole barn, and an existing gravel yard and access.
RATIONAL METHOD
Historic Basin calculations (Basins H1 and H2) have been completed for the western portion of the property (17.79
acres) that will remain unchanged (including 15.63 acres that is unimproved pasture) and the portion of the site that
includes the existing and proposed conditions (Basin H2 that is 3.58 acres). These basins are based on the field
topography that was surveyed by Arnerican West Land Surveyors.
Historically runoff sheet flowed north by northeast. The historic (per USGS Quad "Hudson 40104A6TF024") grades are
approximately 1.4%.
The Rational method calculations (Basin HI and El) have been limited to the western 17.79 acres which have not been
modified in the past and are not proposed to be changed via this proposal. Approximately 1,16 acres of the eastern
portion of El includes the existing Pole Barn, Metal Building, residence, and gravel access that will not be changed as
part of this project.
2113 WCR 45 — Submit Equipment Propel Drainage Compliance Letter December 22, 2017
Western Engineering Consultants Inc LLC Page 2 of 2
Rational method calculations (Basin H2, E2, and A2) denote the 3,58 acres that includes the existing and proposed
gravel sales yard.
In a nut shell the proposed (Basin A2) runoff will only slightly increase (from 10.25 cfs existing to 10,39 cis developed) by
the additional gravel sales yard, Both the existing and proposed conditions are only 7% higher than the historic runoff of
9.67 cfs,
currently all site runoff sheds north by northeast towards WCR 45 and ultimately north to the existing drainage way just
north of the property. It appears nearly all runoff is infiltrated by the existing vegetation and soils before accumulating
into the aforementioned drainage way as no formal runoff pattern exists. Additionally the property owner has stated no
visual runoff has been observed in past major storm events.
The overall imperviousness for the eastern 3.58 acres will only increase from 6.22% to 7.20%.
DRAINAGE IMPROVEMENTS a SWALE REQUIREMENTS
Based on coordination with county staff (see July 27, 2017 Memorandum from the Pre -Application meeting) and
meeting with Mrs. Balzano on December 14, 2O17, WEC has provided this Drainage Letter Summary and the
certification of Compliance.
Men utilizing the entire property (21.374 acres) the imperviousness does not change by a full percent (only from 4,2 to
4.3% - Section 23-12-30 item #8). All existing structures and majority of site gravel currently drain north by northwest
and do not drain towards Basins EVA2 and the front of the property (WCR 45). Basin E2 & A2 drain north by northeast.
When utilizing the Modified FAA Method to calculate any required detention per the slight addition of imperviousness —
no increase was noted per the UDFCD Spreadsheet.
Swale E has been added and will intercept the existing and proposed gravel sales yard runoff (and upstream tributary
area). Swale E begins at the south end of the new sales yard gravel at 6 inches deep and transitions to 12 inches deep
within first 25 feet. An 18 inch RCP will be constructed under the current driveway and convey flows into the continued
Swale E that will then daylight approximately 100 feet north.
Existing site grades along the future WCR 45 right of way are approximately 1.5 to 3.0%. Swale E shall be constructed
at no more than 1.5%.
It is WEC's opinion that if Swale E is constructed as noted herein and per the enclosed calculations, the existing and
proposed impervious improvements to 2113 WCR 45 will not have an adverse effect on adjacent properties, and
specifically Weld County Road 45 right of way.
Feel free to contact Shawn wiant (303-929-8495) or ourselves with any questions.
Sincerely,
Western Engineering Consultants inc., LLC
Chadwin F. Cox, P.E.
Senior Project Manager
End. Google Site Plan Exhibit, USGS Vicinity Map, MRCS Soils Report, and WEC Historic, Fasting, & Developed Rational Drainage Cabs
APPENDIX A
Vicinity Map (USG) / Key Map / FEMA Flood Insurance Rate Map (FIRM),
Legal Description, Soil Survey Map and Soil Legend, Geotechnieal Report
SCALE:1" 2000"
VICINITY MAP
SECTION, TOWNSHIP, RANGE, 6th P.M.
SHOWN VICINITY MAP TAKEN FROM USGS QUAD - Hudson 40104-A6-TF-024
1 2111 /2017
FEMA's National Flood Hazard Layer (Official)
FEMA's National Flood Hazard Layer (Official)
NFHL (click to expand)
LOMRs
0 Effective
LOMAs
•
FIRM Panels
0
PISS
River Mile Markers
•
Cross -Sections
Coastal Transects
Ole
Base Hood Elevations
Profile Baselines
Transect Baselines
Limit of Moderate Wave
Action
Data from Flood Insurance Rate Maps ( RM) where available digitally, New NFHL FIR,Mette Print app available:
http://tin url.cem/j4xwp, e
USGS The National Map: Orthoiimagery I National Geospatial-Inteiligence Agency (NGA); Delta State University; Esri I Print here instead:
http://tinyurl,com/j xwp5e Support: FEMAMap peeialist@r skmapcdS,COm I USGS The National Map: Orthoimagery
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1411112 - Feet lit map is a user generated static output from an Internet mapping site and is for
reference only. Data Flayers that appear on this map may or may not be accurate,
WCS_1 2Neb Mertatcr Auxilca -yySphere current, or otherwise reliable.
C) Weld County Colorado THIS MAP IS NOT TO BE USED FOR NAVIGATION
USDA United States
ra Department of
Agriculture
MRCS
Natural
Resources
Conservation
Service
A product of the National
Cooperative Soil Survey,
a joint effort of the United
States Department of
Agriculture and other
Federal agencies, State
agencies including the
Agricultural Experiment
Stations, and local
participants
Custom Soil Resource
Report for
Weld County,
Colorado,
Southern Part
-
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November 28, 2017
Preface
Soil surveys contain information that affects land use planning in survey areas.
They highlight soil limitations that affect various land uses and provide information
about the properties of the soils in the survey areas, Soil surveys are designed for
many different users, including fanners, ranchers, foresters, agronomists, urban
planners, community officials. engineersi developers, builders, and home buyers.
Also, conservationists. teachers, students, and specialists in recreation, waste
disposal, and pollution control can use the surveys to help them understand,
protect, or enhance the environment.
Various land use regulations of Federal, State, and local governments may impose
special restrictions on land use or land treatment. Soil surveys identify soil
properties that are used in making various land use or land treatment decisions.
The information is intended to help the land users identify and reduce the effects of
soil limitations on various land uses. The landowner or user is responsible for
identifying and complying with existing laws and regulations.
Although soil survey information can be used for general farm, local, and wider area
planning, onsite investigation is needed to supplement this information in some
cases, Examples include soil quality assessments (http:.iwvvw.nrc.s.usda,gov/ ps/
porta'linres/mal:n/soils/hearth/) and certain conservation and engineering
applications. For more detailed information, contact your local USDA Service Center
(https11offices1 sc..egov. usda. gov/iocator/app?agencya nrcs) or your NRCS State Soil
Scientist (http:/Mvw vw.arcs.usda.gov/wps/poirtalinres/detail/soilsicontactust?
cid=nres142p2_053951).
Great differences in soil properties can occur within short distances. Some soils are
seasonally wet or subject to flooding. Some are too unstable to be used as a
foundation for buildings or roads. Clayey or wet soils are poorly suited to use as
septic tank absorption fields. A high water table makes a soil poorly suited to
basements or underground installations.
The National Cooperative Soil Survey is a jointeffort of the United States
Department of Agriculture and other Federal agencies, State agencies including the
Agricultural Experiment Stations, and local agencies. The Natural Resources
Conservation Service (NRCS) has leadership for the Federal part of the National
Cooperative Soil Survey.
Information about soils is updated periodically. Updated information is available
through the NRCS Web Soil Survey, the site for official soil survey information.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its
programs and activities on the basis of race, color, national origin, age, disability,
and where applicable, sex, marital status, familial status, parental status, religion,
sexual orientation, genetic information, political beliefs, reprisal, or because all or a
part of an individual's income is derived from any public assistance program. (Not
all prohibited bases apply to all programs.) Persons with disabilities who require
2
alternative means for communication of program information (Braille, large print,
au iotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice.
and TOO). To file a complaint of discrimination* write to USDA, Director, Office of
Civil Rights, 1400 Independence Avenue, SW, Washington, D.C. 20250-9410 or
call (8001 795-3272 ,(voice) or (202) 720-6382 (TOO). USDA is an equal opportunity
provider and employer,
3
Contents
Preface
How Soil Surveys Are Made..}n,,._
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Soil Map
Legend ,
MapUnit Legend I •a.SM•i:a.r••4Y..•••r•.•!••i'.i {a•}f.ii4 ,41O..■443•14a.MM1 11
ap IJrut Descriptions.i.. o40a..} stain4•uti1 - 0,,,,mL.•..•. lean.. Bail. l el
Weld County, Colorado, Southern Part ...,..w.r....•.•.....aSr. Oat WI 13
4 -.quoits and A-1uepts, flooded 4.y r..a.•wr.•..M.....•.•.sa•tar a ...ar.e+.1
3
17 —Colby loam, 5 to 9 percent slopes., 4 ea rn m..s•..yne 14
79 Weld loam, 1 to 3 percent slopes r. •, te,e.Pr 16
83 —Wiley -Colby complex, 3 to 5 percent slopes... r..,. s...•...-...•s 15
8;}__■ later r.dr.•... 9.eli a r 4 h.1. l." 4 f lit.. P4 Ili eb i 0 ia..Mii r Mi. ON I,W!TIT n _ ii 19
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4
How Soil Surveys Are Made
Soil surveys are made to provide information about the soils and miscellaneous
areas in a specific area. They include a description of the soils and miscellaneous
areas and their location on the landscape and tables that show soil properties and
limitations affecting various uses. Soil scientists observed the steepness, length,
and shape of the slopes; the general pattern of drainage; the kinds of crops and
native plants; and the kinds of bedrock, They observed and described many soil
profiles. A soil profile is the sequence of natural layers, or horizonst in a soil The
profile extends from the surface down into the unconsolidated material in which the
soil formed or from the surface down to bedrock. The unconsolidated material is
devoid of roots and other living organisms and has not been changed by other
biological activity.
Currently, soils are mapped according to the boundaries of major land resource
areas (MLRAs). MLRAs are geographically associated land resource units that
share common characteristics related to physiography, geology, climate, water
resources, soils, biological resources, and land uses (USDA, 2008). Soil survey
areas typically consist of parts of one or more MLR.
The soils and miscellaneous areas in a survey area occur in an orderly pattern that
is related to the geology, landforms, relief, cliimate, and natural vegetation of the
area, Each kind of soil and miscellaneous area Is associated with a particular kind
of landform or with a segment of the landform. By observing the soils and
miscellaneous areas in the survey area and relating their position to specific
segments of the landform: a soil scientist develops a concept, or model, of how they
were formed. Thus, during mapping, this model enables the soil scientist to predict
with a considerable degree of accuracy the kind of soil or miscellaneous area at a
specific location on the landscape.
Commonly, individual soils on the landscape merge into one another as their
characteristics gradually change. To construct an accurate soil map, however, soil
scientists must determine the boundaries between the soils. They can observe only
a limited number of soil profiles. Nevertheless, these observations, supplemented
by an understanding of the soil -vegetation -landscape relationship, are sufficient to
verify predictions of the kinds of soil in an area and to determine the boundaries.
Soil scientists recorded the characteristics of the soil profiles that they studied. They
noted soil color, texture, size and shape of soil aggregates, kind and amount of rock
fragments, distribution of plant roots, reaction, and other features that enable them
to identify soils. After describing the soils in the survey area and determining their
properties, the soil scientists assigned the soils to taxonomic classes (units).
Taxonomic classes are concepts. Each taxonomic class has a set of soil
characteristics with precisely defined limits. The classes are used as a basis for
comparison to classify soils systematically. Soil taxonomy, the system of taxonomic
classification used in the United States, is based mainly on the kind and character
of soil properties and the arrangement of horizons within the profile. After the soil
5
Custom Soil Resource Report
scientists classified and named the soils in the survey area, they compared the
individual soils with similar soils in the same taxonomic class in other areas so that
they could confirm data and assemble additional data based on experience and
research.
The objective of soil mapping is not to delineate pure map unit components; the
objective is to separate the landscape into landforms or landform segments that
have similar use and management requirements. Each map unit is defined by a
unique combination of soil components and/or miscellaneous areas in predictable
proportions. Some components may be highly contrasting to the other components
of the map unit. The presence of minor components in a map unit in no way
diminishes the usefulness or accuracy of the data. The delineation of such
landforms and iandforrn segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, on site
investigation is needed to define and locate the soils and miscellaneous areas.
Soil scientists make many field observations in the process of producing a soil map.
The frequency of observation is dependent upon several factors, including scale of
mapping, intensity of mapping, design of map units, complexity of the landscape,
and experience of the soil scientist. Observations are made to test and ref n e the
soil -landscape model and predictions and to verify the classification of the soils at
specific locations, once the soil -landscape model is refined, a significantly smaller
number of measurements of individual soil properties are made and recorded.
These measurements may include field measurements, such as those for color,
depth to bedrock, and texture, and laboratory measurements, such as those for
content of sand, silt, clay, salt, and other components. Properties of each soil
typically vary from one point to another across the landscape.
Observations for map unit components are aggregated to develop ranges of
characteristics for the components. The aggregated values are presented. Direct
measurements do not exist for every property presented for every map unit
component. Values for some properties are estimated from combinations of other
properties.
While a soil survey is in progress, samples of some of the soils in the area generally
are collected for laboratory analyses and for engineering tests. Soil scientists
interpret the data from these analyses and tests as well as the field -observed
characteristics and the soil properties to determine the expected behavior of the
soils under different uses. Interpretations for all of the soils are field tested through
observation of the soils in different uses and under different levels of management.
Some interpretations are modified to fit local conditions, and some new
interpretations are developed to meet local needs. Data are assembled from other
sources, such as research information, production records, and field experience of
specialists. For example, data on crop yields under defined levels of management
are assembled from farm records and from field or plot experiments on the same
kinds of soil.
Predictions about soil behavior are based not only on soil properties but also on
such variables as climate and biological activity. Soil conditions are predictable over
long periods of time, but they are not predictable from year to year. For example,
soil scientists can predict with a fairly high degree of accuracy that a given soil will
have a high water table within certain depths in most years, but they cannot predict
that a high water table will always be at a specific level in the soil on a specific date.
After soil scientists located and identified the significant natural bodies of soil in the
survey area, they drew the boundaries of these bodies on aerial photographs and
6
Custom Soil Resource Report
identified each as a specific map unit. Aerial photographs show trees, buildings,
fields, roads, and rivers, all of which help in locating boundaries accurately.
Soil Map
The soil map section includes the soil map for the defined area of interest, a list of
soil map units on the map and extent of each map unit, and cartographic symbols
displayed on the map. Also presented: are various rnetadata about data used to
produce the map, and a description of each soil map unit.
8
Custom Soil Resource Report
Area of Interest (AOl)
Area of Interest (AOl)
Ei
Soils
r
a
Special Point Features
MAP LEGEND
Soil Map Unit Polygons
Soil Map Unit Lines
0
x
•f
0
K
a
0
f S
f
C
0
Soil Map Unit Points
Blowout
Borrow Ptt
Clay Spot
Closed Depression
Gravel Pit
Gravelly Spot
Landfill
Lava Flow
Marsh or swamp
Mine or Quarry
Miscellaneous Water
Perennial Water
Rock Outcrop
Saline Spot
Sandy Spot
Severely Eroded Spot
Sinkhole
Slide or Slip
Sadie Spot
gt
!fib
9
eat
Spoil Area
Stony Spot
Very Stony Spot
Wet Spot
Other
Special Line Features
Water Features
Streams and Canals
Transportation
rario
01110
yr
Rails
Interstate Highways
US Routes
Major Roads
Local Roads
Background
III Aerial Photography
10
MAP INFORMATION
The soil surveys that comprise your AOI were mapped at
1:241000.
Warning: Soil Map may not be valid at this scale.
Enlargement of maps beyond the scale of mapping can cause
misunderstanding of the detail of mapping and accuracy of soil
line placement. The maps do not show the small areas of
contrasting soils that could have been shown at a more detailed
scale.
Please rely on the bar scale on each map sheet for map
measurements.
Source of Map: Natural Resources Conservation Service
Web Soil Survey URL:
Coordinate System: Web Mercator (EPSG:3857)
Maps from the Web Soil Survey are based on the Web Mercator
projection, which preserves direction and shape but distorts
distance and area. A projection that preserves area, such as the
Albers equal-area conic projection, should be used if more
accurate calculations of distance or area are required.
This product is generated from the USDA-NRCS certified data as
of the version date(s) listed below.
Soil Survey Area: Weld County, Colorado, Southern Part
Survey Area Data: Version 16, Oct 10, 2017
Soil map units are labeled (as space allows) for map scales
1:50,000 or larger.
Date(s) aerial images were photographed: Jul 17, 2015 —Sep
22,2016
The orthophoto or other base map on which the soil lines were
compiled and digitized probably differs from the background
imagery displayed on these maps. As a result, some minor
shifting of map unit boundaries may be evident
Custom Soil Resource Report
Map Unit Legend
Map Unit Symbol
Map link Name
Acres In AOt
4 Aquolls and Aquepts, flooded
17
79
83
85
Totals for Area of Interest
H
Colby loam, 5 to 9 percent
slopes
Weld loam, 1 to 3 percent
slopes
Wiley -Colby complex, 3 to 5
percent slopes
Water
13.9
12.3
Percent of Aol
40.1
21.7
16.0%
1.3%
4.6
92.6
43.3%
2364%
5.0%
100.0%
Map Unit Descriptions
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the survey area. The map unit descriptions, along
with the maps, can be used to determine the composition and properties of a unit.
A map unit delineation on a soil map represents an area dominated by one or more
major kinds of soil or miscellaneous areas. A map unit is identified and named
according to the taxonomic classification of the dominant soils.. Within a taxonomic
class there are precisely defined limits for the properties of the soils. On the
landscape, however, the soils are natural phenomena, and they have the
characteristic variability of all natural phenomena. Thus, the range of some
observed properties may extend beyond the limits defined for a taxonomic class.
Areas of soils of a single taxonomic class, rarely, if ever, can be mapped without
including areas of other taxonomic. classes. Consequently, every mapunit is made
up of the soils or miscellaneous areas for which it is named and some minor
components that belong to taxonomic classes other than those of the major soils.
Most minor soils have properties similar to those of the dominant soil or soils in the
map unit, and thus they, do not affect use and management. These are called
noncontrasting, or similar, component. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. Theseare called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting soils or miscellaneous areas
are identified by a special symbol on the maps. If included in the database for a
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
was impractical to make enough observations to identify all the soils and
miscellaneous areas on the landscape.
Custom Soil Resource Report
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
landform segments that have similar use and management requirements. The
delineation of such segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
onsite investigation is needed to define and locate the soils and miscellaneous
areas.
An identifying symbol precedes the map unit name in the map unit descriptions.
Each description includes general facts about the unit and gives important soil
properties and qualities.
Soils that have profiles that are almost alike make up a soil series. Except for
differences in texture of the surface layer, all the soils of a series have major
horizons that are similar in composition, thickness, and arrangement.
Soils of one series can differ in texture of the surface layer, slope, stoniness,
salinity, degree of erosion, and other characteristics that affect their use. On the
basis of such differences, a soil series is divided into soil phases. Most of the areas
shown on the detailed soil maps are phases of soil series. The name of a soil phase
commonly indicates a feature that affects use or management. For example, Alpha
silt loam, 0 to 2 percent slopes, is a phase of the Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or miscellaneous areas in such an intricate
pattern or in such small areas that they cannot be shown separately on the maps.
The pattern and proportion of the soils or miscellaneous areas are somewhat similar
in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or miscellaneous areas separately. The
pattern and relative proportion of the soils or miscellaneous areas are somewhat
similar. Alpha -Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of two or more soils or miscellaneous areas
that could be mapped individually but are mapped as one unit because similar
interpretations can be made for use and management. The pattern and proportion
of the soils or miscellaneous areas in a mapped area are not uniform. An area can
be made up of only one of the major soils or miscellaneous areas, or it can be made
up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example.
Some surveys include miscellaneous areas. Such areas have little or no soil
material and support little or no vegetation. Rock outcrop is an example.
12
Custom Soil Resource Report
Weld County, Colorado, Southern Part
4—Aquollsand Aquepts, flooded
Map Unit Setting
National map unit symbol: 3621
Elevation: 3,600 to 4,700 feet
Mean annual precipitation: 12 to 16 inches
Mean annual air temperature: 50 to 55 degrees F
Frost -free period: 100 to 165 days
Farmland classification: Prime farmland if drained and either protected from flooding
or not frequently flooded during the growing season
Map Unit Composition
Aquolls and similar soils: 55 percent
Aquepts, flooded, and similar soils: 25 percent
Minor components: 20 percent
Estimates are based on obsentations, descriptions„ and transacts of the mapunit.
Description of Aquolls
Setting
Landform: Depressions, drainageways, plains
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Recent alluvium
Typical profile
Hal - U to 8 inches: variable
H2 - 8 to 60 inches: stratified sandy loam to clay
Properties and qualities
Slope: 0 to 3 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Poorly drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water (sat): Moderately low to high
(0.06 to 6.00 inlhr)
Depth to water table: About 6 to 36 inches
Frequency of flooding: Frequent
Frequency of ponding: None
Calcium carbonate, maximum in profile: 10 percent
Salinity, maximum in profile: Moderately saline to strongly saline (8.0 to 16.0
mmhos/cm)
Sodium adsorption ratio, maximum in profile: 5.0
Available water storage in profile: Low (about 4.7 inches)
Interpretive groups
Land capability classification (irrigated): 6w
Land capability classification (nonirrigated): 6w
Hydrologic Soil Group: D
Ecological site: Salt Meadow (ROGIBYO3 c)
Hydric soil rating: Yes
13
Custom Soil Resource Report
Description of Aquepts, Flooded
Setting
Landform: Stream terraces
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Recent alluvium
Typical profile
H.1 - 0 to 8 inches: variable
H2 - 8 to 60 inches: stratified sandy loam to clay
Properties and qualities
Slope: 0 to 3 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Poorly drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to high
(0406 to 6.00 inlhr )
Depth to water table: About 6 to 56 inches
Frequency of flooding: Frequent
Frequency of ponding: None
Calcium carbonate, maximum in profile: 10 percent
Salinity maximum in profile: Moderately saline to strongly saline (8.0 to 16.0
mmhoslcm)
sodium adsorption ratio, maximum in profile: 5.0
Available water storage in profile: Low (about 4.7 inches)
Interpretive groups
Land capability classification (irrigated: 6w
Land capability classification (nonirrigated): 6w
Hydrologic Soil Group: ID
Ecological site: Wet Meadow (ROG7 BYOS$ O )
Hydric soil rating: Yes
Minor Components
Thedalund
u n d
Percent of map grit: 10 percent
Hydric soil rating: No
Haver on
Percent of map unit 10 percent
Hydric soil rating: No
17 CoIbey loam, 6 to 9 percent slopes
Map Unit Setting
National map unit symbol: 361s
Elevation: 47850 to 51050 feet
14
Custom Soil Resource Report
Mean annual precipitation: 12 to 16 inches
Mean annual air temperature: 48 to 50 degrees F
Frost -free period: 4135 to 155 days
Farmland classification: Not prime farmland
Map Unit Composition
Colby and similar soils: 90 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transacts of the mapunit.
Description of Colby
Selling
Landform: Ridges, hills
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Calcareous eolian deposits
Typical profile
H41 - 0 to 7 inches: loam
H2 - 7 to 60 inches: silt loam
Properties and qualities
'lope: 5 to 9 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Well drained
Runoff Mass: Medium
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to
high (0.57 to 2.00 inlhr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 15 percent
Available water storage in profile: High (about 10.6 inches)
Interpretive groups
Land capability classification (irrigated): 6e
Land capability classification (nonirrigated): : 6e
Hydrologic Soil Group: B
Ecological site: Loamy Slopes (RO67BYOOBCO)
1yfdric soil rating: No
Minor Components
Wiley
Percent of map unit: 10 percent
Hydric soil rating: No
Custom Soil Resource Report
79 Weld loam, 61 to 3 percent slopes
Map Unit Setting
National map unit symbol: 2x0hw
Elevation: 3,600 to 5,750 feet
Mean annual precipitation: 12 to 17 inches
Mean annual air temperature: 46 to 54 degrees F
Frost -free period: 115 to 155 days
Farmland classification: Prime farmland if irrigated
Map Unit ompos iti o n
Weld and similar soils: 80 percent
Minor components: 20 percent
Estimates are based on observations, descriptions, and transects of the r rapunit.
Description of Weld
Setting
Landform: Interfleves
Landform position (two-dimensional): Summit
Landform position (three-dimensional): triter fluve
Down -slope shape:Linear
Across -slope shape: Linear
Parent material: Calcareous loess
Typical profile
Ap - 0 to 8 inches: loam
Btf - 8 to 12 inches: clay
8t2 - 12 to 15 inches: clay loam
Btk - 15 to 28 inches: loam
Bic in 28 to 60 inches: silt loam
C - 60 to 80 inches: silt loam
Properties and qualities
Slope: 1 to 3 percent
Depth to restrictive feature: More than 60 inches
Natural drainage class: Well drained
Runoff class: Medium
Capacity of the most limiting layer to transmit water (sat): Moderately low to
moderately high (0.06 to 0.20 inihr)
Depth to water table: More than BO inches
Frequency of flooding: None
Frequency of pondirig: None
Calcium carbonate, maximum in profile: 14 percent
Salinity, maximum in profile: Nonsaline ne to very slightly saline (0.1 to 2.0
mmhosicm)
Sodium adsorption ratio, maximum in profile: 5.0
Available water storage in profile: High (about 11.3 inches)
16
Custom Soil Resource Report
Interpretive groups
Land capability classification ("irrigated): 2e
Land capability classification (nonirrigated): 3c
Hydrologic Soil Group: C
Ecological site: Loamy Plains (R067B 002CO)
Hydric soil rating: No
Minor Components
Adena
Percent of map unit: 6 percent
Landform: I me rfl eves
Landform position `two-dimensional): Shoulder
Landform position (three-dimensional, : I nterfluve
Down -slope shape: Convex
Across -slope shape: Convex
Ecological site: Loamy Plains (R067B 002C O)
Hydric soil rating: No
Colby
Percent of map unit: 7 percent
Landform: Hillslopes
Landform position `two-dimensional): Backsiope
Landforrn position (three-dimensional): Side slope
Down -slope shape: Convex
Across -slope shape: Convex
Ecological site: Loamy Plains (R067BY002GO)
Hydric soil rating: No
Keith
Percent of map unit: 3 percent
Landform: I nterfluves
Landform position (two-dimensional): Summit
Landform position (three-dimensiona/): I nteFfluve
Down -slope shape: Linear
Across -slope shape: Linear
Ecological site: Loamy Plains (R067BY002CO)
Hydric soil rating: No
Baca
Percent of map unit: 2 percent
Landform: I me rfluves
Landform positron (two-dimensional): Shoulder, summit
Landfonn position (three-dimensional): I nterfl uve
Down -slope shape: Linear, convex
Across -slope shape: Linear, convex
Ecological site: Loamy Plains (R067BY002C O)
Hydric soil rating: No
Custom Soil Resource Report
83Wiley-Colby complex, 3 to 5 percent slopes
Map Unit Setting
National map unit symbol: 3644
Elevation: 4,850 to 5,000 feet
Mean annual precipitation: 12 to 16 inches
Mean annual air temperature: 48 to 54 degrees F
Frost -free period: 135 to 170 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Wiley and similar soils: 55 percent
Colby and similar soils: 30 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Wiley
Selling
Landform: Plains
Down -slope shape: Linear
Acrosseslope shape: Linear
Parent material: Calcareous eolian deposits
Typical profile
HI - 0 to 11 inches: silt loam
H2 - 11 to 60 inches: silty clay loam
H3 - 60 to 64 inches: silty clay loam
Properties and qualities
Slope: 3 to 5 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water (sat): Moderately high to
high (0.60 to 2,00 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of pondin: None
Calcium carbonate, maximum in profile: 15 percent
Salinity, maximum in profile: Nonsaline to very slightly saline (0,0 to 2.0
mrnhosfcm)
Available water storage in profile: High (about 1117 inches)
Interpretive groups
Land capability classification (irrigated): 3e
Land capability classification (nonirrigated): 4e
HydrologicSoil Group: B
Ecological site: Loamy Plains (R087BY002CO)
Hydric soil rating: No
18
Custom Soil Resource Report
Description of Colby
Setting
Landforrn Plains
Den -slope shape: Linear
A crossesiope shape: Linear
Parent mater/at Calcareous eolian an deposits
Typical profile
HI - 0 to 7 inches: loam
H2 - 7 to 60 inches: silt loam
Properties and qualities
Slope: 3 to 5 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to
high (0.57 to 2.00 inihr)
Depth to water table; More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile; 15 percent
Available water storage in profile: High (about I OM inches)
interpretive groups
Land capability classification (irrigated): 3e
Land capability classification (nonirrigeted): 4e
Hydrologic Soil Group: B
Ecological site: Loamy Plains (R067BY002 O)
Hydric soil rating: No
Minor Components
Heldt
Percent of map unit: 9 percent
Hydric soil rating: No
Weld
Percent of map unit 6 percent
Hydric soil rating: No
85 --Water
Map Unit Composition
Water 95 percent
Minor- components: 5 percent
Estimates are based on observations, descriptions, and transects of the mapunrt3
Custom Soil Resource Report
Minor Components
Aquolls
Percent of map unit: 5 percent
Lonciform Marshes
Hyclric soil rating: Yes
eferences
American Association of State Highway and Transportation Officials ( HTO).
2004. Standard specifications for transportation materials and methods of sampling
and testing. 24th edition.
American Society for Testing and Materials (ASTM). 2005. Standard classification of
soils for engineering purposes. ASTM Standard D2487 -0O.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of
wetlands and deep -water habitats of the United States. US. Fish and Wildlife
Service F S/0B a79/31.
Federal Register. July 13, 1994. Changes in hydric soils of the United States.
Federal Register. September 18, 2002. Hydric soils of the United States.
Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric
soils in the United States.
National Research Council. 1995. Wetlands: Characteristics and boundaries.
Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service,
U.S. Department of Agriculture Handbook 1 S. http:/iwww,rtres.usda.gov/ psfportal!
nres/detail/national/soils/?cid=nres142p2_054262
Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for
making and interpreting soil surveys. 2nd edition. Natural Resources Conservation
Service, U.S. Department of Agriculture Handbook 436. http://
www. nres.usda.gov/wps,'portal/nres/detail/national/soils! ci€i=nresl 42p 053577
Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. US. . Department of
Agriculture, Natural Resources Conservation Service. http://
vwvvii.nresousda.goviwpsiportalinrcsidetailinationalisollsThid=nrcs142p2a053580
Tiner, R.1 ., Jr. 1985. Wetlands of Delaware, U.S. Fish and Wildlife Service and
Delaware Department of Natural Resources and Environmental Control, Wetlands
Section.
United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of
Engineers wetlands delineation manual. Waterways Experiment Station Technical
Report Y-87-1.
United States Department of Agriculture, Natural Resources Conservation Service,
National forestay manual. http://w .nres,usda.gov/ ps/portal/nres/detail/soils/
home/?cid=n res 142p2_05 3374
United States Department of Agriculture, Natural Resources Conservation Service.
National range and pasture handbook. http://www.nrcslusda.goviwpsiportaiinresi
detail/nationalilanduseirangepasture/'acid=stelprdbl04 084
21
Custom Soil Resource Report
United States Department of Agriculture, Natural Resources Conservation Service.
National soil survey handbeoK title 430 -VI. http://wvomnrcsmusda.gov/wpsiportall
nres/detail/soiis(sciantlsts/? cid=nresl 42p2_054242
United States Department of Agriculture, Natural Resources Conservation Services
2006. Land resource regions and major land resource areas of the United States,
the Caribbean, and the Pacific Basin. L.S. Department of Agriculture Handbook
296. http: /www.nres,usda.gov ps/portal/nres/detail/nationalisoiis/?
cld=nres 142p2_053824
United States Department of Agriculture, Soil Conservation Service. 1961. Land
capability classification. U.S. Department of Agriculture Handbook 210. tittp:I/
www.nrossusda,gov/InternetIFSESOCUMENTS/nrcs142p2_052290ipdf
22
APPENDIX B
Rational Method Runoff Calculations
Chapter 5
Rainfall
P 71 4':
F 70 VI
1 �1 45
69 Vi!
Figure 5-2. Rainfall depth -duration -frequency: 5 -year, 1 -hour rainfall
R C7 o'
F €6 VI
14 1.`" 135 I4
R 68 W R 57 W
14
F
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January 2016
Urban Drainage and Flood Control District 5-11
Urban Storm Drainage Criteria Manual Volume 1
Rainfall
Chapter 5
w F
1 �. F 1
R C9 W
R (SE Y.
F' 67
R 6€ kr1
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Figure 5-3. Rainfall depth -duration -frequency: 10 -year, 1 -hour rainfall
R t3 I
R 6 3 W
IU
r4
r
5-12
Urban Drainage and Flood Control District January 2016
Urban Storm Drainage Criteria Manual Volwne 1
Chapter 5
Rainfall
I-
I-
R 71 W R W
.- 4
t_
OPE
Lt5
i
Ns\aFE R
F—,
G.
S
4r
2�{ 15
R 7;] 'N
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7
tom.•
SHAVE _
5
9
R 68 \V
R E- I R EN W
0
a
1
i
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R 65 W
P.
54
Figure 5-6. Rainfall depth -duration -frequency: 100 -year, 1 -hour rainfall
F
K.
ri
yL
d
F-
65
F: 63 "Iv
Ui
N-
I —
January 2016
Urban Drainage and Flood Control District 5-15
Urban Storm Drainage Criteria Manual Volume 1
NOM Atlas 14, Volume 8, Version 2
Location name: Hudson, Colorado, USA*
Latitude: 40.032*, Longitude: -104.6427°
Elevation: 5072.57 ft**
source: ESRI Maps
.* source; USGS
POINT PRECIPITATION FREQUENCY ESTIMATES
Sanja P'eriaa, Deborah Martin, Sandra Pavlovic, Isheni Roy, Michael St, Laurent, Carl Trypaluk, Dale
Unruh, Michael Yekte, Gectfery Eonnin
NOAA, National Weather Service, Silver Spring, Maryland
PF jabular N Pi.glanhkalI Male & et r tj1
ts
PF tabular
PDS-based point precipitation
frequency estimates with 90% confidence intervals (in
inches )1
Average recurrence interval (years)
Duration
c-----2
11 5 I
25
50
100
200
I 600 Il
'1000
5 -min
0.236 1
(0.186-0.300
0.287
(43.228-o.366)
0.384+4 i
(04302-0.491
0.477
(0.372-0.61211
0,622 I
9.478.0.848))
0.749
(0.557-1.0
0888
(0.637-1.24)
1.04
(0.716-1.50:4
1,25
(0.834-1,86)
1.4$
{0.923-2.13
-
10 -min
0,345
(4.272--4.4439
0.420
(4.331-0,536)
0.563 II
(0.4420.719
0.698
JO..545-0.896ji
I. 0.911
1(0.700-1.24)
1.10
I (0.816.1.591'
1.30
,(0.933-1.82)
1.63
(1.05-2.19)
1.86
(1.22-2.721
2.12
(1.35-3.131
-
4
15 -min
0.421
(4.3'32-0.5
0.513
k'a.4Q!4-01653)w.5s9-o.8761
0.686
0.852
(0,665-1.091
1.11
0,853-1.511
10.995-1.83ji
1.34
1.59
(1.14-2,22)
(1.28.2.67)
1.8
2.26
(1.49-3.32)
2.68
(1.65-3.81)
30 -min
0.670
I (0.450-0.726
0.689
01.ms-a Ai )
0.917
(0.720-1.171
1.14
(0.887-1.46)
(1.14.2.03)
1.48
1.79
(1.33-2.45)
2,12
id (1.53-2.981
2250
(1.72-3.59)
3.4 4
(2,01-4,47)
3.49
(2.223-5.15)
50 -min
0,658AI
(�t.6ss-u.
1839
(0.661.1 207)
1.11
)0.874-1.42)
1.38
11.08-1.77)
1.01
(1.39-2.48)
2.19
(1,63-3,01)
2.61
1(1.88-3.67)
I 3.08
4(2,124.43)
3.77
(2.49-5.551
4.34
(2.77-6.40)
2 h r
0.826
(0.657-1.04)
0.989
(0.786-1.25)
1.31
11.04-1.661
1.63
(1.28.2.07)
2.14
(1.66-2.901
2.59
(1.95-3.53)
x,10
j(2.25-4.3fPjc2.55.5.2Z
3.96
4.491
(3.00.6..55)
5.18
(3.34-7.561,
-h r 1
3(0717-1.13)
0.897
1.07
(0.853-1.34)
1.41
(1.12-1.7?)
1.74
(1.38-2.20)
2.29
(1,79-3.09)
(2.114.77)
3.33
(2.434.60)
3.94
(2.76-6.58)
484
(3.25-7,01)
5,59
, (3.62-8.10)
5-h r ll
'1.05
(0.856-1.321
1,25
(1.00-1,551 1
1.61
(1.30-2.011
1.98
(1.58-2.48)
2.58
(2.03-3A4) ll
3.11
(2.37-4.16)
3.70
(2.73.5.06)
4.37
(3.09-6.121
5.35
(3.63-7.66)
6.17
(4.D4-8.83)
I
-
e
12-I1 r
1.29
(1.05-1.59)
1.60
(1.22-1.85)
2.29
( 1.85-2.84)1(2.32-3.841
2.92 I
3.47
(2.674.59)
4.08
(3,03.5.61)
4.77
(3.40-6.58)
6.76
(3.94-6.14)
6.59
(4.36-9.32)
24 -hr
163
(1.25-1.861
1.80
(1 A7-2.191
2.29
I (1.87-2.791
11. 2.73
(2.22-3.35)
i 3.40
I (2.70-4.37)
3.97 I
(3.07-5.15)
4.68
j (3A2-6.071
I 5.24
k3.77h1)
5.15 i
, (4,26-8,591
6.94
I (4.64-9.71)
r - .
2 -day
1.73
(1,43-2.09)
(1.7'3-2.53)
2.10
2.71
(2.234.28)
3.23
(2.65-3.92)
3.97
(3.154.99)
446
I (3.54-5.80)
6.17
(3.68-6.71)
ll 5.80
(4.16-7.72)
6,66
(4.61-9.09)
7.32
(4.95-10.1)1
,
.
3 -day
1.89
-
�1.5F 2.271
2.26
_
(1.68 2,72)
2.89
7
(L2.�9 3.� �
3.42
2.81-4.13
( )
I
4.17
3.33-5.20(3.724.02)
1' 1
4.77
5.38
14.06-£.941
8.02
(4.36-7.951
6,88
(4.84-9.32)
7.55
(5.13-10.4)
1
4 -day
2.02 2.39
(1.69-2.442) 11(109-2.86)
3.01Ile
.50-3.61)
3.54
(2.93-4,26)
4.30
(3.44.5.34)
4.90
(3.84-6.15)
1(4,18-7.09)
6,16
(4.48-8.11)
7.04
(4.93-9.49)
7.73
(5.27-10.51
7 -deb
2►32
(1.95-236)
2.70
(2.27-3.201
3.35
(2.80.3.98) 1
3.90
(3.24465)
4.67
(3.77-5.75)
5.29
I 01.17-6.581
5.92
(44.52-7.52)
6.67
(4.82-8.56)
7.46
(5.27-9.95) !
8.15
(5.61-11,01
...
10 -day
2.67
(2.17-3.03)
2.98
(2.51-3.611
3.660
(3.07-4.32)
4.23
(3.544-5.01)
5.03
(4.07-6.14)
6.66
(4.48-6.99)
8.30
(4,83-7.95)
6.96
(5.13.8.99)
7'.844
. (5.57-10.4)
8.62
(5.90-11.4)
J
20-da
I 3.29
(2.60-3.83)
3.76
(3.20-4.391
4.54
(3.85-531)
6.18
(4.37-6.08)
6.06
04.95-7.301
11(5.39-8.22)
6.74
7.+42
J(5.74-9.24}
4811
[16.03-10.3)
902
1 (6.46.11.8)
9,70
(6.79-12.9)
30-day1[
3.88
(3,3'1-4.47)
44.+4
(3.77-5.11)
5.28
(4.50 x.141
5.99
(5.09-7.00)
8.87
[(5.71-8.32)
7.'71
(6.19-9.32)
8.43
he.56-10.4
9.16
(6.85-11.6)
10.1
(7.29-13.1)
10.8
(7,62-144,2)
45 -day
il
4.6r5
(3.92-5241!
$x.20
(.4.47-5.91
6.23
(5.34-7.20)
7.08
(6.02-8.19)
8.18
(6.73-9.68).1
8.01 1
(7.27-10,81
9,82
(7.67-12.01
10.6
(7.97-13.31
11.6
(0.42-14.9)
12.44
(8.76-16.2)
60 -day
I 5,11
(4A2-5.87)
5.86
(5.D6-6.731 I
47.05 I
(6,07-8,11)
8.00
(6.85-9.24)
I 9.25 r
(7.6'4-10.9)
10.2
(8.244-12,1)
11.1 I
(8.67-13.5)
11,8 II
(8.99-14.8)
13.0
(9.:46.16.6)
I 13.8
(9.81-17.91
' Precipitation frequency (PF) estimates in this table are based on frequency analysis of partial duration series (PDS),
Numbers in parenthesis are PF estimates at lower and upper bounds of the 90% confidence interval. The probability that precipitation frequency
estimates (for a given duration and average recurrence interval) will be greeter than the upper bound (or less than the lower bound) is 5%. Estimates at
upper bounds are not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values.
Please refer to NOAA Atlas 14 document for more information.
L1ieck l'? 1 op
PF graphical
PDS-baser! depth -duration -frequency (DOF) curves
Latitude: 40,03120°0 Longitude: 40486427*
14
22
C
a•
Miff 1•
C
Uri
•
.5
0
•
4
•
1
•
f
e
I
• I •. ♦. 014 • 11 J.
•
4
8
J
. 4 Y 1 ♦ r• i••
a
•
•
/
i P r
IC
f
4q
Diratian
Average recurrence interval (years)
aJ _
5 10 25 50 100
1
•
1'.
a
I, • • a .
1
r tit inn
14 -fig nil
NO as 14F Volume 8 pr Version 2
Created (GMT): Mon Dec 11 17:44:02 2017
clack. to
Average recurrence
interval
(a)
ifee
I
2
S
e 10
25
at so
100
200
__ 600
1000
Duration
alllllllllllll.
51. 4
1
30 -mm
SO -mm
24w
34t
estir
124w
24 -hr
24ey
3 -day
ars 4 -day
71 -day
104y
10 -day
$ ;ay
.1.._ 450 -day
OM- 110s.day
Maps & aerials
Small scale terrain
Large scale terrain
Large scale map
Cheyrrma
e
�i.
0rni
ola
prdn
r
I
Lary o scale as a
DacItta sQ
US poi ".; rtment at Co rritrcF
Spit ai croi
N thc rr& Wt,a Lh a i'
National W Iarar
1325 East West Highway
Silver Spring, MD 20910
Questions?: t,�D
gssligatt
HISTORIC
R4UNOFF TABLE
- 2113
CR 45
(SUMMIT
IT
EQUIPMENT)
Impervious
CeYR
I LA 1CIAYR-his1oricj
Flow
DESIGN
POINT
H1
I_
C5 (UDFCD 2015)
2.00
0.07'
2.78
17.70
3.47
cfs
HI
Di oo
2,00
0.52
5.37
17.79
49.65
cfs
H1
I�DF
D 1
2.00
0.07
2.69
3.58
0.68
cfs
I H2
100
2.00
0.52
5.201
3.58
9.67
cfs
H2
EXISTING
- 21.13
VCR
45
(SUMMIT
EQUIPMENT)'
BASIN
Im
•ervious I
j C-YR
I
A CIA
R-sxistin•"
Flow
DESIGN POINT
E'1
C5
UDFCD
2016)
4.50
- 0.09
2.82
17.79
4.64
El
4.59
0.53
51.40E
El
C1,a0 1
5.44
17.70
E2
C5 (UDFCD
2016
I
1.05
trfs
E2
10.04
0.11
2.76
3.55
0100
10.25
cfs
E2
10.0+4
0.54
5.31
3,58
Western Engineering Consultants
12/22/2017 Page 1 of 1
2113 WCR 45 (SUMMIT EQUIPMENT) - HISTORIC RUNOFF CALLS
H1
Syr
10yr
100r
for C sails, C5 CID C100 =tom TothRa.s
`for Ti calculations - only Cs is used
Ti= (8395*(1.1 c&,r(LAS)) $ (Seim
From UDFCD 2016, Equation 6-3
a 10 100
1 -Hour Point Rainfall 1.4 1.65 2.7
As Taken from UDFCD Vol I, Figures 5-2, 5-3, and 5-6
2016 UDFCD >1> Tc Check = (18-15i) + [Ltravel 1 (60*(24i + 12)(Sor.5))
Existing .5. 10,100 yr 17,190 acres
Use NOS Type D Cyr - ems frequency let Ti Velocity Ti Tc
Length Slope 0.07 26.92 1.37 3 40 30.32
initial 500 0.038
travel 280 0.038
/50 0.22 26.92 11.37 3.40 30.32
Overland 1kw
It Overland donee ? Wait, then Its limited to SOD ft per UDFCD RD 2 4.1
Remainder carried as travel
Cv= 7
052 26.92 1.37 3.40 30 32
check IJse Tc
19.81 19 61
2.76
A C lAs existing
17 79
19.61 19.81 3.2$ 17 79
19.61 19.61 5 37 17.79
CIPto ixlNlnp
CIAwo exlstlna
3 47 cfs
12.84 cfs
49.65 cfs
111
Use NCS Type d
Irnpiaryiottines
C5
010
O100
17,790 acres
Undeveloped Building Asphalt Concrete Gravel (packed)
2
0.07
0.22
0.52
90.00 100.00
0.83
0.67
0.91
0.92
0.94
0.96
90'_00 40,00
0.83 0.40
X�
0.87 0;60
O,r91 0_69
EFFECTIVE
2..00
0,07
0.22
4.52
AREA
17.790 0.00 0.00
0.00
17.79
TABLE RO-2 (taken from UDFCD Manual - Vol.
I)
i Type of Land Surface Conveyance coefficient.
tsv
Heavy Meadow
Tillage/field
Short pasture/Lawns
Nearly Bare Ground
Grassed Waterway
Paved areas and shallow paved males
2.5
5
7
10.00
15.00
20,00
2113 WCR 45 (SUMMIT EQUIPMENT) - HISTORIC RUNOFF CALL (East 3.74 ac)
112
sYr
10yr
Overland flow
If Overland distance > 500R, then it's limited to 500 It per UDFCD x O 2 41
100yr FirMalme4er c rrryd a d
#0r C soils - Cs Ci. Ctso = lrwn Table nro-s
"for Ti calculations - only Cs is used
Existing - 5t 10, 100 yr
Use NGS Type C
Length Slope
initial 500 0.014
travel 280 0,014
Cyr—seelnsqusncy tin
0 07
3.580 acres
Tin r Velocity
37.60 0.83 5.61
Tim (39511.1- 0).(L"4))) (Sr.»
From UDFCD 2015, Equation 6-3
S 10 100
1 -Hour Paint Rainfall 1.,4 1.65 2?
As Taken from UDFCD Vol 1, Figures 5-2, 5-3, and 5-6
2016 UDFCD >>> Tc Check = (16-151) + pave' / 60*(241 + 12)(Soy.5)1
Tc
4322
check
20.85
Use Tic
20.85
I
2.69
A CIAsEditing
3.513
780 0.22 37.60 0.83 5.61 43.22 20.85 220.85 3.18 3 58
Cwr= 7
0.52 37.60 0.83 5.61 43.22
20.85 20.85 5,20 3.58
ClAis.xiang
ClAiaaaildina
Q.60 cfs
2.50 OS
9670
H2
Use DIGS Type C
I mpenriou5ne'n spa
CS 0 07 0.83 0.92 0.83 DA D
C10 0.22 0.87 0.94 0.87 010
0100 012 031 0,96 0,91 0.69
3.580 acres
Undeveloped Building Asphalt Concrete Gravel4packedl
2 90.00 100.00 90.00 40.,10 Q'
EFFECTIVE
2.60
X0,07"
0.22
0:52
AREA 3.580 0.00 0.00 0.00 0.00
3.58
TA5LF RO_2 (taken frorn UbFCC) Manual - Vol_ I1
Type of Land Surface Conveyance coefficient, Cv
Paved areas and shailow
Heavy Meadow
Tillage/field
Short pasture/Lawns
Nearly Bare
Grassed
paved
Ground
Waterway
swales
2.5
5
7
10.00
15.00
20.00
2113 WCR 45 (SUMMIT EQUIPMENT) - EXISTING RUNOFF CALCS
El
5yr
10yr
Overland flow
If Overland distance } 50411, then limit Ito 5U4 ft per U0FOI) RO 2.4.1
100yr Remainder canlied a trl
for C soils - Cs Cia McKim tarn 1aia f;0-5
"'"for Ti calculations - only Cs is used
Existing - 5, 10, 100 yr
Use NCS Type D
Length Slope
initial 500 0.038
travel 280 0.038
76G
Cyr -see Irequerry left
0.09
Cv= 5
0.24
0 53
17290 acres
Tr Velocity Tt
26.33 0.98
26.33
26.33
4.76
0.98 4.76
0.95 4.76
Ti= (.395'`11.1 -Cyr (Lh 4) I (Sr" 533
From UDFCD 2016, Equation 6-3
5
1 -Hour Point Rainfall 1.4
As Taken from IIDFCI) Vol L Figures 5-20 5-3, and 5-6
10
1.65
2016 UDFCD >'> Tc Check = (18-151) + [Ltravel J' (60*(241 + 12)(6o)'t.Sll
To
31 09
31.09
3109
check
19.13
19.13
19.13 191 13
19.13 19 13
1
2 52
3 32
5 44
100
2.7
A CIAO *listing
17.7g
ClA1D a:letlnq
17 79
17.79
CLAW Selina
464 cfs
14.13 cfs
51.40 cfs
El
Use NCS Type D
InFrentiousriess %
C5
Cia
c100
17.790 acres
Undeveloped Building Asphalt Concrete Gravel (packed)
2 woo 100,00
0.07
0.22
0.52
0.83
01,87
0.91
0.92
0,94
0.96
90.00
023
0 87
0.91
40.00
0.40
0.550
EFFECTIVE
4.59
0.109
0.24
0.53
AREA
16 852 0.19 0.00
0,01
0.73
17.79
TABLE RO-2 (taken from, I DMMO Manual - Vol.. I)
Type of Land Surface Conveyance coefficient, Cv
2.5
5
7
10.00
15.00
20.00
'Paved
Heavy
Tillage/field
Short
Nearly
Grassed
areas and
shallow
Meadow
pasture/Lawns
Bare
Ground
Waterway
paved swales
2113 WCR 45 (SUMMIT EQUIPMENT) - EXISTING RUNOFF CALCS
E2
Syr
1Qyr
10 0yr
initial
travel
for C soils - Cs CID C100•Prom Table RoS
"far Ti calculations - only Cs is used
Existing - S! 18, 160 yr
Use (ACS Type C
Length Slope
500 0,014
280 0.014
780
Cyr - site Ofewiericy lot
0,11
Overland flow
Ir overland distance5001G then limit to 500 It per UDFCD R€5 2A.1
Remainder carried as travel
Cr 1D
3.580 acres
Tr` velocity Tt
36.26 1.19
393
0.25 36.26 1.19 3 93
O54
36.26 1.19 393
Ti= (.295*i1.t-QrNLAsfl / (Sr233.
From UDFCD 2016, Equation 6-3
5
1 -Hour Point Rainfall 14
As Taken from UDFCD Vol I, Figures 5-2, 5-3, and 5-6
10
1.65
201 ► UDFCD >>> To Check = (18-151) + lLtravel f (601{24i + 12)(Soy .5)]
Tc
4019
40.19
40.19
check Use
19.98 19.98
19.98 19.98
19S8 19 98
I
2.78
325
5.31
100
2.7
A CIA; existing
3.58
ClA1 a.xi.Hng
3 58
CIAtcc ew.drog
3.58
1 05 cfs
2 92 cis
10 25 cis
Use NCS Type C
knperw os s % _
C5
C19
Cl®
3,580 acres
Undeveloped Building Asphalt Concrete Gravel (packed)
2 91.4v 1O0.00
,OD
44.00
EFFECTIVE
6.22
0:07
0.22
0.52
0,63
0.87
091
0.92
0.94
0.96
0,83
067
0.91
0,40
0.50
0,59
0.11
D.25
0.54
AREA
3.201 0.00 0,00
001
0.36,
3,58
TABLE RO-2 (taken from UDFCD Manual = Vol
I)
Type of Land Surface Conveyance coefficient. Cv
Paved areas and
Heavy
Tillage/field
Short
Nearly
Grassed
Meadow
pasture/Lawns
Bare Ground
Waterway
shallow paved swales
2.5
5
7
10.OO
15.O0
20.O0
DEVELOPED
- 2113
WCR 4s
(SUMMIT
EQUIPMENT
BASIN
Ir'.ervious
C-YR I
A
CIA
YR-DEVELOPED
cfs
DESIGN POINT
I
A2
C5 (UDFCD 2016)
7.20
0.12
I 2.77
3.58
1.14
efs
I
Gina
7.20
0.54
5.34
3.58
10.39
cfs
1
Western Engineering Consultants
12/22/2017 Page 1 of 1
2113 WCR 45 (SUMMIT EQUIPMENT) — DEVELOPED RUNOFF CALLS
Syr
10yr
100yrr
initial
travel
See below fur effective C values as calculated from Table RO-5
*'for Ti calculations - only Cs is used
Developed -5, 101 100 yr
Use NCS Type C
Le rigtti
500
280
Slope
0.014
0.014
Cv-=
10.00
3.50 acres
Cs Ti Velocity
0.12 35.95 1.19
0.12
0.12
3595
35.95
Tt
3.93
Tl= (Assam l-tv f L".$)) f (sr 3*
From UDFCD 2016, Equation 6-3
5
10 1011
1 hr Point Rainfall 1.4 1.85 2.7
As Taken from UDFCD Vol I, Figures 5-2k 5-3, and 5-&
2016 UDFCD }>> Tc Check = (18-15i) + [Ltravel I (60124i + 12)(So)".5)]
Tc
39.88
check Use Tc Cvissitstswe
19,75 19.78 0.12
1.19 3.93 39.88 19 78 1978 026
1.19
3.93
3988
I A CIA; developed
2.77 3.58 1 14 cfs
ClA oducapp.a
3.28 a.58 3.02 cfs
CIAioa.r.imiron d
10.78 19.78 0.54 5.34 3.58 10,39 cfs
Use NCS Type C TOTAL AREA 3.580 acres
AZ Landscaping Gravel Building
I
2
40.04
90.00
Concrete Asphalt
90.00
EFFECTIVE
100.00 7.2D
C5
C10
0100
0.07
0.22
0.52
0.40
8.50
0.69
0.83
8.87
0.91
0.53
0.57
0.91
0.92
0,94
0.96
0.12
0.28
0.54
AREA 311
0.46
0.00
0.01
0.00
3.58#1
TABLE RO-2 (taken from UDFCD Manual - Vol. ll J
Type of Land Surface
Heavy Meadow
Tillage/field
Short pasture/Lawns
Heady Bare Ground
Grassed Waterway
Raved areas and shallow paved swales
Cnnvevance r n f�clen1, Cv
sea. s�a�rv-� ____
2.5
5
7
10.00
15.00
20.00
APPE
IX C
Infiltration I Retention Calculations, CFSCNI, UDFCD Retention
Calculations, Design Pond Volumes, Channel Capacities, etc
Normal Flow Analysis - Trapezoidal Channe
Project:
Channel ID:
Summit Equi ment
Swale E
Desi •n Information In r ut)
Channel Invert Slope
Manning's n
Bottom Width
Left Side Slope
Right Side Slope
Freeboard Height
Design Water Depth
So=
n=
i'i
F=
I
0.0150 ft/ft
0.040
1.00 ft
3:00 ft/ft
3.00 ft/ft
1.00 ft
1.00 ft
Normal Flow Condtion Calculated
Discharge
Froude Number
Flow Velocity
Flow Area
Top Width
Wetted Perimeter
Hydraulic Radius
Hydraulic Depth
Specific Energy
Centroid of Flow Area
Specific Force
fit=
Fr=
12,19 cfs
0.7'1
V= 3.05 fps
A = 400 sq, ft
T = 7.00 ft
P= 7.32 ft
F= 0.55 ft
D= _
Es =
yo _
Fs =
0.57 ft
1.14 ft
0.37 ft
0.'17 kip
20171222 Summit Swale E U D -C f an nelsav 1.05.xls, Basics 12/22/2017, 3:33 PM
Critical Flow Analysis - Trapezoidal Channe
Project!
Channel ID:
Summit Equipment
Swale E
F
y
its
Z1
C
T
Yo
v
B
Z2
Desicirt Information (Input)
Bottom Width
Left Side Slope
Right Side Slope
Design Discharge
0 _
Z1=
_ 12.00 cfs
1.00 ft
3.00 ft/ft
3.00 ft/ft
Critical Flow Condition (calculated)
Critical Flow Depth
Critical Flow Area
Critical Top Width
Critical Hydraulic Depth
Critical Flow Velocity
Froude Number
Critical Wetted Perimeter
Critical Hydraulic Radius
Critical (min) Specific Energy
Centroid on the Critical Flow Area
Critical (min) Specific Force
T
D=
V_
Fr =
P=
P=
Esc =
Yoc =
Fsc -
0.85
2.99
6.07
0.49
4.02
1.01
6.34
0.47
1.10
0.22
0.13
ft
sq ft
ft
ft
fps
ft
ft
ft
ft
kip
2017/222 Summit Swale E LID -Channels vl.05.xls, Basics 12/22/2017, 3:33 PM
CERTIFICATION OF CO PLIANC.E
ENGINEERING DESIGNED TO LD COUNTY CODE STANDARDS AND CRITERIA
I Chad in. F Cox, Consultant Engineer for 5umm. t ijquipmeni ("Applicant"), understand and acknowledge that Applicant
is seeking use land approval of Summit s r a — l J R V 7- _ _ ("Application.") for the property described in the attached
PR
Exhibit "A." I have designed or reviewed the design ("Designs') for the proposed land use set forth in the Application. I
hereby certify, on behalf of Applicant that the Design will meet all applicable drainage requirements of the Weld County
Code with the exception of variance(s) described below. This certification is not a guarantee or warranty either expressed
or implied.
(Engineer's Stamp)
leo
REG/ 40e,
t.
Op 4re,
rL
l4c4
h � F ie
al je
X3802 i
Engineer of Record Signature
obixet 47:0F
Uzy
1
VARIANCE REQUEST
1) Describe the Weld County Code criteria of which a variance is being requested.
2) Describe why it is not possible to meet the Weld County Code,
3) Describe the proposed alternative with engineering rational which supports the intent of the Weld County Code,
1) Provide detention,
2) Construction of a detention system to account for the additional impervious area is not practical or could be
achieved. The additional 4,423 sf of gravel for the sales yard does not increase the imperviousness an amount that
can be calculated to necessitate any required detention per the Modified FAA method (said increase is from 6.22%
to 7.2%). The increase in the 100 year flow rate is 0i4 cis (1.4%) and is only a 0,10 cfs increase for the 10 year
event,
3) The proposed Alternative is to install Swale E in order to keep the private runoff from WCR 45 roadside ditch.
Said Swale E will also direct and then spread runoff north into the existing pasture wound upstream of the natural
drainage way north of this site.
This alternative also continues to direct runoff towards the natural drainage way directly north of this property
consistent with the methodology used by Urban Drainage Flood Control District and Weld County.
There will be no adverse impact to neighboring properties or adjacent Weld County right of way.
Pursuant to Weld County Code Section 23-12-30 item #1 (overall site imperviousness does not change by a full %
nr from 4.2 to 4,3%) and #14 (allowed a one time exception 4,450 sft addition of gravel) the enclosed design could
meet these Drainage Policy Exception items. It is our opinion the attached design meets the Weld County Code
intent.
I understand and agree that the intention of the Code is to reduce impacts of development on neighboring downstream
properties erties and the public. 2 understand if this variance request is approved it is not precedent setting and is based on site
p
specific constraints,
Planning Director Approval indicated when signed by director or appointee:
Planning Director Name
Signature
-Date of approval
Weld bounty Treasurer
Statement of Takes Due
Account Number R891410O
Parcel 147322000049
Legal De s cription
PT 82 22-1-65 LOT A REC EXEMPT RE -2702 (.47R)
Situs Address
2113 COUNTY ROAD 45 WELD
Account: R8914100
WTANT SHAWN
2113 COUNTY ROAD �t45
HUDSON, CO8064 8907
a -■ w ,l e W a a a a a a a s a e a a a a 4 w• e• .5 C 4 4! 4 4 • 4 •, OBS a a #ii 4WOO • 4. 4 44i a a 4 a m a i #
Year
Tax Charre
2017
Tax Interest
Fees
Pa crnts Balance
$1315.66 $0.00
$0.00 ($657.83)
Total Tax Charge
First Half Due as of 03/06/2018
Second Half Due as of 03/06/2018
$657.83
$657.83
$0.00
$657.83
Tax Billed at 2017 Rates for Tax Area 2499 - 2499
Authority
WELD CDU TY
SCHOOL ITT RE3J
CENTRAL COLORADO WATER
(CCW
HUDSON FIRE
AIMS JUNIOR COLLEGE
HIGH PLAINS LIBRARY
Taxes Billed 2017
* Credit Levy
Mill Levy
15-8000000*
20.0530000
1.8000000
6.03 90000
6.3170000
3.2560000
Amount
$390.28
$495.31
$ 44.46
$149.16
$156.03
$80.42
53.2650000
$1,31. _66
Vats
AG -DRY FARM LAND
AG -GRAZING LAND
FARM[RANCH
RESIDENCE -IMPS -
OTHER BLOCS. -
AGRICULTURAL
Total
Actual
$1,525
$196
$280}494
$13,785
Assessed
$440
$60
$20,200
$4,000
$296,000 $24,700
ALL TAX LIEN SALE AMOUNTS ARE SUBJECT TO CHANGE DUE TO ENDORSEMENT OF CURRENT TAXES BY THE
LIENHOLDER OR TO ADVERTISING AND DISTRAINT WARRANT FFFS
Weld County Treasurer's Office
1400 N 17th Avenue
PO Box 458
Greeley, CO 80632
Phone: 970-400-3290
Pursuant to the Weld County Subdivision Ordinance, the attached Statement of Taxes Due
issued by the Weld County Treasurer, are evidence of the status as of this date of all property
taxes, special assessments, and prior tax liens attached to this account.
Current year's taxes are due but not delinquent
Signed:
Weld County Treasurer
Statement of Taxes Due
Account Number R3914100 Parcel 147322000049
Assessed To
GIANT SHAi'N
2113 COUNTY ROAD 45
HUDSON, CO 80642-8907
Legal Description Sites Address
PT S2 22-1-65 LOT A REC EXTMPT RE -2702. (.47R) 2113 COUNTY ROAD 45 WELD
Year Tax
Tax
2017
Total Tax Charge
Interest Fees Payments Balance
$1,315.66 $0.00
$0.00 $0.00 $1,315.66
$1,315.66
Grand Total Due as of 02/02/2018 $1315.66
Tax Billed at 2017 Rates for Tax Area 2499 - 2499
Authority
WELD COUNTY
SCHOOL 1DIST RE3J
CENTRAL COLORADO WATER
(CCW
HUDSON FIRE
AIMS JUNIOR COLLEGE
HIGH PLAINS LIBRARY
Taxes Billed 2017
* Credit Levy
Mill Levy anal Values Actual Assessed
15 8000000* $39028 AG -DRY FARM LAND $ I,525 $440
20:0530000 $49531 AG -GRAZING LAND $196 $60
1,8000000 $44.46 FARMI ANCH $280,494 $20,200
RESIDENCE -IMP'S
6.0390000 $149.16 OTHER BLDGS.- $13,785 $4,000
6.3170000 $156.{13 AGRICULTURAL.
3.2560000 $80.42 Total $296,000 $24,700
53.26500
$1,315.66
ALL TAX LIEN SALE AMOUNTS ARE SUBJECT TO CHANGE DUE TO ENDORSEMENT OF CURRENT TAXES BY THE
LIENHOLDER HOLDER OR TO ADVERTISING AND DISTRAINT WARRANT FEES.
CHANGES MAY OCCUR AND THE TREASURER'S OFFICE WILL NEED TO BE CONTACTED PRIOR TO REMITTANCE AFTER THE
FOLLOWING DATES: PERSONAL PROPERTY, REAL PROPERTY, AND MOBILE HOMES - AUGUST 1
TAX LIEN SALE REDEMPTION AMOUNTS MUST BE PAID BY CASH ORCASHIER'S CHECK,
POSTMARKS ARE NOT ACCEPTED ON TAX LIEN SALE REDEMPTION PAYMENTS. PAYMENTS MUST BE IN OUR OFFICE AND
PROCESSED BY THE LAST BUSINESS DAY OF THE MONTH.
Weld County Treasurer • P.O. Box 458, Greeley, CO B0632 • 1400 N. 17th Aye, Greeley, CO 80631 a (970) 353-3646 Ext, 3290
Weld County Treasure
Account
R8914100
Parcel Number
147322000049
'CANT SHAWN
2113 COUNTY ROAD 45
HUDSON, CO 80642-8907
Situ Address
2113 COUNTY ROAD 45 WELD
Legal Description
PT S2 22-1-65 LOT A REC EXEMPT RE -2702 (1478)
Property Cada
AG -DRY FARM LAND - 4127
AG -GRAZING LAND - 4147
FARM/RANCH.RESIDENCE-IMPS - 4277
OTHER BLDG .-A RICULTUIRAL 4279
Payments Received
Direct Deposit
Bank Account 1
Payments Applied
Year Charges
2016 Tax
Receipt Date
Jun 8, 2017
Effective Date
Jun 7, 2017
Receipt Number
2017-06-08-blatchT0215
!!�! !!t!Oftot •ADIPOPPIPIPPI 9414444r11 • •
Billed
$905.78
Payor
DOVENMUEHLE MORTGAGE INC.
ROCHESTER NY 14623
Actual
1,012
182
163,213
12378
Assessed
290
50
12,990
3,530
Prior Payments
$452.89
Balance Due as of Jun 7, 2017
Thank you for your payment all payments subject to final bank clearance
Year
2016
2016
2016
2016
Multi --Account Payment
New Payments
$452.89
Area
2499
2499
2499
2499
Mill Levy
53.723
53.723
53.723
53.723
Balance
$O00
$452,89
$0.00
$0.00
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