HomeMy WebLinkAbout20132932.tiffSITE SPECIFIC DEVELOPMENT PLAN AND USE BY SPECIAL
REVIEW (USR) APPLICATION
FOR PLANNING DEPARTMENT USE
RECEIPT # /AMOUNT # IS
APPLICATION RECEIVED BY
DATE RECEIVED: 7/ 2-242013 - Lvv, 4_1.4_ 7/11/Z0I3
CASE # ASSIGNED: V jF_13�iv'v•12_
PLANNER ASSIGNED: C \.:;s
Parcel Number 1 O S 'j .- 3 2- 2. - C 0- 0 C) a
(12 digit number - found on Tax I.D. information, otainable at the Weld County Assessors Office, or www.co.weld.co.us)
bat C, tecorelek EY-c,a+tp}wr-1 4O.
Legal Description Iosr)-32- 2 f.E. 145os loe.;,-►1 part of , Section , Township U North, Range West
1 -Le NUJ 1144
Zone District: A A Total Acreage: 3. SG , Flood Plain: i1+4 , Geological Hazard: to/4
Airport Overlay District: N 1�
FEE OWNERS) OF THE PROPERTY:
Name: AKA Ene l.. G,, LLB.
Work Phone # q�4-'�to X,50 Home Phone # Email j /1 4®glut a yi¢�gt� , �p�
Address: (,S (Y1 cr ado St. STE 250 VJ
Address:
City/State/Zip Code S. aura„ r � ►3 O1—'317
r
Name.
Work Phone #
Address:
Address:
City/State/Zip Code
Home Phone # Email
Name:
Work Phone # Home Phone # Email
Address:
Address:
City/State/Zip Code
APPLICANT OR AUTHORIZED AGENT (See Below: Authorization must accompany applications signed by Authorized Agent)
Name: Wacte. . WA I RI II Lar,ct Soroices, IinC
Work Phone # Gist- Wig Home Phone # Email h‘ litaNg 16 ant.corn
Address: 10p AL4owkav-i Or St,.kei Ia
Address:
City/State/Zip Code \o,„d,so - I C,,O go $50
PROPOSED USE:
TQ e_t anct t�s ts �rnc,esSt► abt�tk;es a� c (.,tkviimk St�e� 1'o efter_4 %L
dennahcl t3C i)rockquas lr1 *re. tcrtA Afeq•
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 all
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 authority to sign for the corporation.
Signature: Owner or Au orized Agent Date Signature: Owner or Authorized Agent Date
SITE SPECIFIC DEVELOPMENT PLAN
AND USE BY SPECIAL REVIEW (USR) QUESTIONNAIRE
1. Explain in detail, the proposed use of the property.
Aka Energy Group, LLC (Aka) wishes to expand it gas processing facility on land Aka
acquired in 2007, replace the treatment plant within the existing facility under USR 866
located in part of the NW'/ of Section 32, Township 4 North, Range 66 West, 66 P.M.
and proposes to install the following equipment on the new site and modify the existing
site as shown on the plot plan:
• Install and enclose 1 large Caterpillar 3520 residue compressor along with 2 small
Caterpillar 3306 refrigeration compressors.
• Erect a 90ft. tall incinerator stack.
• Erect a 70ft. tall stabilizer treatment tower.
• Erect two 30ft. tall reboiler treatment stacks.
• Install a 15ft. tall Trimheater treatment unit.
• Install one Regen Gas Heater.
• Install three additional 210 BBL tanks.
• Add an emergency access gate at the northwest corner of new facility.
• Install chain link fence along the outside perimeter of the expanded facility.
• Upgrade the treatment facility on the existing site by adding a 40 MMSCF Amine
Plant with two towers, an incinerator stack and a reboiler heater with exhaust stack
at the location of the gas treating site shown on the original USR.
• Remove the CO2 Plant as now located.
2. Explain how this proposal is consistent with the intent of Weld County Code, Chapter 22.
The proposed use is consistent with the Comprehensive plan because it seeks to use the
land to foster the development of the vast natural resources in Colorado.
3. Explain how this proposal is consistent with the intent of the Weld County, Chapter 23
(Zoning) and the zone district in which it is located.
The Aka Energy Group, LLC site and expansion area is currently located, operated
and maintained in an Agricultural Zone District in accordance with and as set forth in
Article II, Division 4 under Part A, Mineral resource development facilities included
under Oil and Gas Support and Service.
4. A description of the preferred alternative route or site and reasons for its selection.
Aka has chosen to expand its gas processing capabilities at this site to meet the demand
of gas producers in the Gilcrest area.
5. What type of uses surround the site? Explain how the proposed use is consistent and
compatible with surrounding land uses.
There is currently an oil field waste water recycling facility located 2,725 feet east of the
site. The balance of the surrounding lands located in the NW'/4 of Section 32, T4N,
R66W are used for agricultural production.
6. Describe, in detail, the following:
a. How many people will use this site?
The site will be accessed by 6 employees/contractors on a daily basis, from 7:30am
to 5:30pm. Maintenance access by 2 additional employees/contractors will be two
times per month.
b. How many employees are proposed to be employed at this site?
Eight
c. What are the hours of operation?
Operations will be continual, 24 hours a day, 7 days a week; however access by
employees will be as noted above.
d. What type and how many structures will be erected (built) on this site?
Three natural gas compressors, a metal framed building will be constructed over
each compressor. Replacement of the treatment plant with towers reaching 60-70
feet in height by approval of Weld County.
e. What type and how many animals, if any, will be on this site?
Not Applicable. This site is not for agricultural purposes
f. What kind (type, size, weight) of vehicles will access this site and how often?
One-half ton to 1 -ton company trucks totaling six will access the site on a daily
basis. 1 Large truck will access the site up to eight times per week. A water truck
will enter the site two times per week.
g. Who will provide fire protection to the site?
Gilcrest-Platteville Fire Protection District
h. What is the water source on the property? (Both domestic and irrigation).
Central Weld County Water District
i. What is the sewage disposal system on the property? (Existing and proposed).
Septic system (Permit No. SP0100156G19890026)
j. If storage or warehousing is proposed, what type of items will be stored?
Salvage equipment, supplies and machinery.
7. Explain the proposed landscaping for the site. The landscaping shall be separately submitted
as a landscape plan map as part of the application submittal.
Chain link fence will be installed and entire lot will be graveled, which will also provide
tracking control.
8. Information of any public meeting conducted, to include the location, date, time, attendance
and method of advertising.
No public meetings will be conducted for this project.
9. Explain any proposed reclamation procedures when termination of the Use by Special Review
activity occurs.
Upon termination of USR 866, and any amendments, the site will be reclaimed and
restored to the original condition.
10. Explain how storm water drainage will be handled on this site.
The lot will be sloped and graded to allow storm water to flow northwesterly into a
retention pond to be constructed in the northwest corner of the expanded lot.
11. Explain how long it will take to construct this site and when construction and landscaping is
scheduled to begin.
Installation of the four compressors, expansion of the treatment facility and metal
framed buildings is consistent with the construction of the existing treatment plant and
is planned to be completed by May 31, 2014.
12. Explain where storage and/or stockpile of wastes will occur on this site.
No waste materials will be stored at this site.
13. A discussion of the feasibility of utilizing any existing utility line corridors.
N/A
14. A discussion of the potential air and water pollution impacts which may be created by the
facility, along with proposed pollution control measures.
There is no water pollution anticipated at this site. The lot will be graded and sloped to
allow rain run-off to collect in a retention pond to be constructed in the northwest
corner of the expanded lot. Dust will be controlled by graveling the entire yard and
maintaining vehicle speeds at or below 5 mph. Gravel will also act as tracking control
for the site. Potential air pollution will result from construction equipment engine
exhaust. Engine exhaust will be minimal and for a short period of time. There may be
the release of natural gas in small quantities, however any emissions will be within the
guidelines set for by the State of Colorado and Federal government.
15. A description of any routine haul routes, identifying the roads and bridges involved and the
weight of the loads.
The routine haul route for equipment will be as follows from south to north:
Follow U.S. Highway 85 north to Weld County Road 40. Continue west to the gas
processing facility. The weight of the equipment is not to exceed permissible normal
highway loads. The anticipated maximum load is 80,000 lbs.
16. A description of emergency procedures to be followed in case of a reported failure or
accident involving the proposed facility. Such outline shall include actions, if any, required
of PUBLIC officials, including fire and police officials, and the names and telephone
numbers of appropriate company officials to notify if an accident or failure should occur.
Aka has an Emergency Response Plan in place and Aka representatives have had on -
site emergency training with the Gilcrest-Platteville Fire Department. The following is
a listing of emergency phone numbers that will be contacted in case of an emergency:
EMERGENCY RESPONDERS -
ANNUALLY
nt't
Courx,
ow nra
, ✓� >>SI�i�
enc.
r`AgcyAc.'"* . tir�,�:
z `�. ,� `ss
q
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�_..&ni
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sH
Weld
Greeley
CO
Colorado State
Patrol
Captain
Paul E.
Matzke
3939 Riverside
Parkway # B
Evans, CO
80620
970-506-4982
970-506-4999
Weld
Gilcrest/
Platteville
CO
Gilcrest-
Platteville Fire
Protection
District
Fire Chief
Gary Sandau
303 Main St,
Platteville, CO
80651
970-785-
2232
?latteville
�70_737-
2296
Gilcrest
Weld
Greeley
CO
Weld County
Paramedic
Service
Medical
Operations
Manager
Mitch Wagy
1121 M Street
Greeley CO
80631
970-353-5700
ext. 3204
Weld
Greeley
CO
Weld County
Sheriff Weld
Co. Office of
Emergency
Management
Sheriff/
Deputy
Director
Roy Rudisill
1950 O St.
Greeley CO,
80631
970-356-4015
X2700
_
Weld
Gilcrest
CO
Gilcrest Police
Department
Police
Chief
Joseph
Mcintyre
304 8"Street
P.O. Box 128
Gilcrest, CO
80623
(970) 737-2426
5
Total
Contacts
Signature of Weld County Planner
COLORADO
Notice of Inquiry
Development within an Intergovernmental Agreement
Urban Growth Boundary
Date of Inquiry
I k/ I L 12-017---'
Town Referred to:
.\ Ctt
Name of Person Inquiring
,rz_ 1po _ A\c A -
Property Owner
Planner
(LS G
Legal Description
L CT c oc 2E- 14501, 17+. PM 3Z-14-6,(0
Legal Parcel #
105 7 3 -22.cocoS
Major Crossroads
Cg_ 40 Aweox, IA V-
_„t of a vn: w z5I--
Type of Inquiry
-4yv.st,d[v.,c�,+ 0 z 1 Go, 5siPPa ri USt2---
The above person inquired about developing a parcel of land inside your designated Intergovernmental
Agreement Urban Growth Boundary. This person has been referred to your community by Weld County
Planning to discuss development options on this site.
1 nn
Weld Coul�n��ty Comments: li CctA S , 1� • Cpa,J 0 -.---
Weld 5 0; \ (fib as Coca 1. C 6a a c oi, c-e�c- .4.(3140r--;)
4Vw‘ar 05 - . C+t-CYJ a Vvirire,_ a_ tU.,...,...
,
U50— p1 -CoN-
Town/City Comments:
epresentative
7272 —
It is the applicant's responsibility to return the completed form to Weld ounty.
White copy. Applicant; Yellow Copy: Town/City; Pink Copy: Weld County
Weld County Planning Department
1555 N 1714 Ave, Greeley, CO 80631 - (970)353-6100, ext. 3540 (970) 304-6498 Fax
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 S{taC_ S24bO
Company A1-4 Er 6rn..l1 U.L.
Address 13i{r12.. LJCK. CIO
City Q l,gtt w s tl State C ,Q Zip
8oE51
Business Phone °V1O- r13r1— aSeO(
Fax
an0 -'lY1
E-mail
ss-464OO awe ne)r ys .coon
Parcel Location & Sketch
The access is on WCR
Nearest Intersection: WCR t -l0 & WCR D..12%
Distance from Intersection ? 5CX) !-e k
Parcel Number \12..-2O- CYJco
Section/Township/Range , LII•t - CAW
Is there an existing access to the property? YES (E)
Number of Existing Accesses
Road Surface Type & Construction Information
Asphalt _ Gravel X Treated X Other
Culvert Size & Type
Materials used to construct Access Ga56 Co RoarL;C-
Construction Start Date Finish Date
Proposed Use
Temporary (Tracking Pad Required)/ $75
T1(Small Commercial or Oil & Gas/$75
o Field (Agriculture Only)/Exempt
ACCESS PERMIT
APPLICATION FORM
Property Owner (If different than Applicant)
Name
Address
City State Zip _
Phone
Fax
E-mail
♦= Existing Access A= Proposed Access
T
N
WCRCa/csf1'Mco
WCR
y0
A A
WCR 3a
o Single Residential/$75
❑ Large Commercial/$150
Or
N
o Industrial/$150
❑ Subdivision/$150
Is this access associated with a Planning Process? a No sa(.USR o RE a PUD o Other
Required Attached Documents
- Traffic Control Plan -Certificate of Insurance
- 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 facilities construction.
Printed Name S'"&- _52 r,{6d Date
Approval or Denial will be issued in minimum of 5 days. Approved by
Revised Date 6/29/10
TRAFFIC CONTROL PLAN - AKA ENERGY GROUP, LLC / GILCREST PLANT EXPANSION USR-866
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mL ro
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Control Devices (MUTCD).
Weld County Road 40
Summary of Devices
2 — 48"x48" Road Work Ahead
a
June 25, 2013
To whom it may concern,
The use of the proposed access will for emergency use and for occasional access for repair of the
facility equipment located on the west side of the site on WCR 40. Vehicles used to transport
water, product and trash along with employees / vendors coming and going will continue to use
the current access on the east side of the facility on WCR 40. Equipment/ pipes in the current
facility will not allow emergency or maintenance equipment to access the west side of the
facility for the east access, only access by foot. Please feel free to contact me if you have any
questions.
Regards,
Donald Evans
Contract Agent,
Hill Land Services, Inc.
970-227-9682
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DUST ABATEMENT AND WASTE HANDLING/STORAGE PLAN
EXPANSION OF GILCREST GAS PROCESSING FACILITY/ USR-866
1. Dust abatement plan:
Aka Energy Group will gravel the Gilcrest Gas Processing Facility Expansion Site to control
fugitive dust due to the sandy soil conditions and any dust generated by vehicles accessing the
site. This will also provide tracking control.
2. Waste handling plan:
There are no waste materials stored at the Gilcrest Gas Processing Facility. The waste materials
generated at the site are paper products and garbage that would normally be produced in a
residential setting. Filters used for engine oil are dried and placed in the dumpster for removal.
All waste materials are removed on a monthly basis by Waste Management. The waste is taken
to the land fill located at Ault, Colorado. Aka Energy Group has a Spill Prevention Control &
Countermeasure Plan (SPCC) in place. All employees are trained in the EPA required
"Hazwopper Program". Each employee attends a mandatory annual retraining in this program
and receives certification of the training. If a spill were to occur, employees will follow proper
Hazwopper procedures. After containment, Aka Energy Group will contract an environmental
services company to clean up the spill. The companies name, address and phone numbers is...
Custom Environmental Services, Inc.
8041 West I — 70 Frontage Rd #11
Arvada, CO 80002
303-423-9949
3. Chemical storage at the site:
Please see the attached list for chemicals and volumes stored at the gas processing facility. This
is a list that is provided to State of Colorado, Two Tier Report, which is also provided to
emergency responders.
FOR COMMERCIAL SITES, PLEASE COMPLETE THE FOLLOWING INFORMATION
BUSINESS EMERGENCY INFORMATION:
Business
Name: Gilcrest Gas Processing Facility Phone: (970) 737-2601
Address: 13472 Weld County Road 40 City, ST, Zip: Plattville, CO 80651
Business
Owner: Aka Energy Group, U -C
Phone: (970) 737-2601
Home Address:65 Mercado Street, Suite 250 City, ST, Zip: Durango, CO 81301
List three persons in the order to be called in the event of an emergency:
NAME TITLE
Steve Szabo System Manager
ADDRESS PHONE
13472 WCR 40, Platteville, CO 80651 (970) 539-0690
Raymond C. Kane, Jr. Exec VP - Bus Development 65 Mercado St. Ste 250, Durango, CO 81301 (970) 764-6650
Virgil Brown
EHSArea Manager 65 Mercado St. Ste 250, Durango, CO 81301 (970) 317-1494
Business
Hours: 7:00 A.M. to 4:00 P.M.
Days: Monday thru Sunday
Type of Alarm: None Burglar Holdup Fire Silent Audible
Name and address of Alarm Company:
Location of Safe:
MISCELLANEOUS INFORMATION:
Number of entry/exit doors in this building: 4 Roll, 3 Walk Location(s): 1 roll and 1 walk on east. 3 rolls and 2 walks
on south.
Is alcohol stored in building? No Location(s):
Are drugs stored in building? No Location(s):
Are weapons stored in building? No Location(s):
The following programs are offereq-asa public service of the Weld Coun riffs Office. Please indicate the
programs of interest, I I Physical Security Check Crime Prevention Presentation
UTILITY SHUT OFF LOCATIONS:
Main Electrical: n Qeier 56.1,4 d , (O04 +
f'l�a,oh 441t. wc.4 vat. pE Nt. faCtlil-y
Gas Shut Off: Om.. ac 'iwna egtrea• 006 t one. A 40,_ maw. Oork, ( Faul.1/4s ,..,,its '*s own Lys)
Exterior Water Shutoff: ti.,1o\'e.Y ,61,46c& is oh hoSh+va,,j ('A NI, !Y k AA 1not6'c c&c i44' '
Interior Water Shutoff:
Tier Two
Emergency and Hazardous Chemical Inventory
Specific Information by Chemical
Reporting Period: January 1 to December 31, 2012
Page 1
Printed: February 21, 2013
Facility Name: Aka Energy Group, LLC
• e..a••ifi-•••tie* f1*1rH•i 4J•♦••NOr, 1Ni-••lwia••►4? ••*Sib M•••H...n
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FACILITY IDENTIFICATION:
Aka Energy Group, LLC
Dept: Gilcrest Gas Processing Plant
13472 Weld County Road 40
Platteville. CO 80651 USA
County: Weld
Number of emplcyees: 7
Latitude: 40.2736
Longitude: 104.8000
Method: I1 - Interpolation (Map)
Description: CE - Center of Fac lity
fCENTIFICATION NUMBERS:
Dun & Bradstreet: 12-360-0046
NAICS: 211111
SIC: 1311
CONTACT INFORMATION:
f•i liwiffi,•••1a*Ire lc* *Ire n.n •••** • *Vet • 4•i •-ii 44+4
••if►•t•••••► Alf• • •lwwf•1i M1Iff •f••14M •.1•M•►sir*
Szabo, Steve
Title: Plant Manager Contact Type 1: Emergency Contact Contact Type 2: Owner / Operator
Address: 13472 Weld County Road 40, Platteville, CO, 80651 USA
Phones: 24 -hour: 970-737-2601 Mobile - Cell: 970-539-0690
Email: sszabo@akaenergy.com
Brown, Fran King
Title: EHS Manager Contact Type 1: Parent Company
Address: 65 Mercado Street, Ste 250, Durango, CO, 81301 USA
Phones: Work: 970-764-6655 Mobile - Cell: 970-759-8870
Email: fbrcwn@akaenergy.com
Frazier, Virgil
Title: EHS Area Mgr Contact Type 1: Submitter
Address: 65 Mercado Street, Suite 250, Durango, CO. 81301 USA
Phones: Work: 970-764-6661 Mobile - Cell: 97C-317-1494
Email: vfrazier@akaenergy.com
CHEMICAL DESCRIPTIONS:
[x] All chemicals in inventory are identical to last years submission
•
CHEM NAME: Lube Oil
CAS: 64742-65-0
ix] Identical to previous year
[ ) TRADE SECRET
[xi Pure [ 1 MIX [ J Solid (xj Liquid [ ) Gas [ i EHS
CHEMICAL COMPONENTS:
[ j EHS, CAS: 64742-65-0, Component: ALIPHATIC PETROLEUM DISTILLATES , 85% Wt
Tier Two
Emergency and Hazardous Chemical Inventory
Specific Information by Chemical
Reporting Period: January 1 to December 31, 2012
Page 2
Printed: February 21, 2013
Facility Name: Aka Energy Group, LLC
[ J EHS, CAS: , Component: Detergents and metals, 15% Wt
PHYSICAL & HEALTH HAZARDS:
[x] Fire [ ] Sudden Release of Pressure ( ] Reactivity (x] Immediate (acute) [xj Delayed (chronic)
INVENTORY:
Max Amt: 22000 pounds Max Daily Amt code: 04 (10,000 - 99,999 pounds)
Avg Amt: 11000 pounds Avg Daily Amt code: 04 (10,000 - 99,999 pounds)
Max quantity in largest container: 22000 pounds
No. of days on -site: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: 1 Temp: 4 Location: Plant yard Amount: pounds
Container Type: C Pressure: 1 Temp: 4 Location: Compressor building Amount: pounds
CHEMICALS IN INVENTORY STATE FIELDS:
No additional chemical information is required by Colorado
CHEM NAME: METHANOL
CAS: 67-56-1
[ ] Identical to previous year
( ] TRADE SECRET
[x] Pure [ j Mix [ ] Solid [x] Liquid [ ] Gas [ ]ENS
PHYSICAL & HEALTH HAZARDS:
[x] Fire [ ] Sudden Release of Pressure [ ] Reactivity [x] Immediate (acute) [x] Delayed (chronic)
INVENTORY:
Max Amt: 12640 pounds Max Daily Amt code: 04 (10,000 - 99,999 pounds)
Avg Amt: 6300 pounds Avg Daily Amt code: C3 (1,000 - 9,999 pounds)
Max quantity in largest container. 6320 pounds
No. of days on -site: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: 1 Temp: 4 Location: Plant Yard Amount: pounds
CHEMICALS IN INVENTORY STATE FIELDS:
No additional chemical information is required by Colorado
CHEM NAME: Natural Gas Liquids (condensate)
CAS:
[ ] Identical to previous year
[ ] TRADE SECRET
[ ] Pure [x] Mix [ ] Solid [x] Liquid [ ] Gas [ ] EHS
CHEMICAL COMPONENTS:
[ ] EHS, CAS: 110-54-3, Component Hexanes Plus, 89% Wt
[ J EHS, CAS: 109-66-0, Component: N -PENTANE, 5% Wt
[ ] ENS, CAS: 78-78-4, Component: ISO -PENTANE, 3% Wt
[ j EHS, CAS: , Component: n -butane, ethane, iso-butane, propane, 3% Wt
PHYSICAL & HEALTH HAZARDS:
[x] Fire [x] Sudden Release of Pressure [ J Reactivity (x) Immediate (acute) [x] Delayed (chronic)
INVENTORY:
Max Amt: 282000 pounds Max Daily Amt code: 05 (100,000 - 999,999 pounds)
Avg Amt: 11000 pounds Avg Daily Amt code: 04 (10,000 - 99,999 pounds)
Max quantity in largest container: 282000 pounds
No. of days on -site: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: 1 Temp: 4 Location: Demeth surge tank and V235 Amount: 219000 pounds
CHEMICALS IN INVENTORY STATE FIELDS:
Tier Two
Emergency and Hazardous Chemical Inventory
Specific Information by Chemical
Reporting Period: January 1 to December 31, 2012
Page 3
Printed: February 21. 2013
Facility Name: Aka Energy Group, LLC
No additcnal chemical information is required by Colorado
CHEM NAME: Natural Gasoline
CAS:
[ ] Identical to previous year
[ ] TRADE SECRET
[ ] Pure [x] Mix [ ] Solid [x] Liquid [ ) Gas [ ] ENS
CHEMICAL COMPONENTS:
[ ] ENS, CAS: 110-54-3, Component: Hexanes, 55% Wt
[ ] EHS, CAS: 109-66-0, Component: n -Pentane, 29% Wt
[ ] EHS, CAS: 78-784 Component iso-Pentane, 16% Wt
PHYSICAL & HEALTH HAZARDS:
[x] Fire [x] Sudden Release of Pressure [ ] Reactvity [x] Immediate (acute) (x) Delayed (chronic)
INVENTORY:
Max Amt: 164000 pounds Max Daily Amt code: 05 (100,000 - 999,999 pounds)
Avg Amt: 6000 pounds Avg Daily Arrt code: 03 (1,000 - 9,999 pounds)
Max quantity in largest container. 164000 pounds
No. of days on -site: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: 1 Temp: 4 Location: Bullet Tank area Amount: 164000 pounds
CHEMICALS IN INVENTORY STATE FIELDS:
No additional chemical information is required by Colorado
CHEM NAME: Produced Water
CAS:
[ ] Identical to previous year
[ ) TRADE SECRET
[ ] Pure (x) Mix [ ] Solid [x] Liquid [ ] Gas [ ] EHS
CHEMICAL COMPONENTS:
[ ]ENS, CAS: , Component: water 75-90%, 75% Wt
[ ] EHS, CAS: , Component: petroluem liquids hexanes plus 10-25%. 25% Wt
PHYSICAL & HEALTH HAZARDS:
[x] Fire [ ] Sudden Release of Pressure ( ] Reactivity [ ] Immediate (acute) ( ] Delayed (chronic)
INVENTORY:
Max Amt: 89000 pounds Max Daily Amt code: 04 (10,000 - 99,999 pounds)
Avg Amt: 30000 pounds Avg Daily Amt code: 04 (10,000 - 99.999 pounds)
Max quantity in largest container. 89000 pounds
No. of days on -site: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: " Temp: 4 Location: Liquid Handling Facility Amount: pounds
Container Type: A Pressure: 1 Temp: 4 location: Tank Battery Amount: pounds
CHEMICALS IN INVENTORY STATE FIELDS:
No additional chemical information is required by Colorado
CHEM NAME: PROPANE
CAS: 74-98-6
j ] Identical to previous year
[ ]TRADE SECRET
[ ] Pure (x) Mix [ ] Solid (x) Liquid [x] Gas [ ] EHS
Tier Two
Emergency and Hazardous Chemical Inventory
Specific Information by Chemical
Reporting Period: January 1 to December 31, 2012
Page 4
Printed: February 21, 2013
Facility Name: Aka Energy Group, LLC
CHEMICAL COMPONENTS:
[ } EHS, CAS: 74-98-6, Component: PROPANE, 95% Wt
[ } EHS, CAS: 74-84-0, Component: ETHANE, 4% Wt
PHYSICAL & HEALTH HAZARDS:
[x] Fire [x] Sudden Release of Pressure [ ] Reactivity [x] Immediate (acute) [ ] Delayed (chronic)
INVENTORY:
Max Amt: 146000 pounds Max Daily Amt code: 05 (100,000 - 999,999 pounds)
Avg Amt: 33000 pounds Avg Daily Arrt code: 04 (10,000 - 99,999 pounds)
Max quantity in largest container: 113000 pounds
No. of days on -site: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: 2 Temp: 4 Location: Bullet tank area Amount: pounds
CHEMICALS IN INVENTORY STATE FIELDS:
No additional chemical information is required by Colorado
CHEM NAME: Slop Oil and Water
CAS:
[ J Identical to previous year
( ]TRADE SECRET
[ ] Pure [x] Mix [ ] Solid (xi Liquid [ J Gas [ J ENS
CHEMICAL COMPONENTS:
[ ] EHS, CAS: , Component Used Oil, 50% Wt
[ ) EHS, CAS: , Component Water, 50% Wt
PHYSICAL & HEALTH HAZARDS:
(xi Fire [ ] Sudden Release of Pressure ( } Reactivity [ ] Immediate (acute) [x] Delayed (chronic)
INVENTORY:
Max Amt: 98000 pounds Max Daily Amt code: 04 (10,000 - 99,999 pounds)
Avg Amt: 33000 pounds Avg Daily Amt code: 04 (10,000 - 99,999 pounds)
Max quantity in largest container: 98000 pounds
No. of days on-s;te: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: 1 Temp: 4 Location: Plant yard Amount: pounds
CHEMICALS IN INVENTORY STATE FIELDS:
No additional chemical information is required by Colorado
CHEM NAME: Y -Grade mixture
CAS:
[ ] Identical to previous year
[ ] TRADE SECRET
[ J Pure [x] Mix [ J Solid [x] Liquid [x] Gas [ ]ENS
CHEMICAL COMPONENTS:
[ I EHS, CAS: 106-97-8, Component: n -butane. 52% Wt
[ ] EHS, CAS: 75-28-5, Component: iso-butane, 25% Wt
[ ] EHS, CAS: 78-78-4, Component: iso-pentane, 13% Wt
[ I ENS, CAS: 74-98-6, Component: propane, 10% Wt
PHYSICAL & HEALTH HAZARDS:
[x] Fire [x] Sudden Release of Pressure [ J Reactivity [x] Immediate (acute) [x] Delayed (chronic)
INVENTORY:
Max Amt: 423000 pounds Max Daily Amt code: 05 (100,000 - 999,999 pounds)
Avg Amt: 78000 pounds Avg Daily Amt code: 04 (10,000 - 99,999 pounds)
Max quantity in largest container: 141000 pounds
Tier Two
Emergency and Hazardous Chemical Inventory
Specific Information by Chemical
Reporting Period: January 1 to December 31, 2012
Page 5
Printed: February 21, 2013
Facility Name: Aka Energy Group, LLC
No. of days on -site: 365
STORAGE CODES & STORAGE LOCATIONS:
Container Type: A Pressure: 2 Temp: 4 Location: Bullet tank area V320, V330
CHEMICALS IN INVENTORY STATE FIELDS:
No additional chemical information is required by Colorado
FACILITY STATE FIELDS:
Colorado requests the following:
]x] Emergency procedures reviewed with local fire dept.
STATE / LOCAL FEES: None.
( ] I have attached a site plan
( } I have attached a list of site coordinate abbreviations
I ] I have attached a description of dikes and ether safeguard measures
Amount: 230000 pounds
Certification (Read and sign after completing all sections)
I certify under penalty of law that I have personally examined and amfamiliar with me information submitted in pegas one through 5,
and that based on my Inquiry of those IndMduals responaltole for obtaining this information, I believe that the so Derided information Is true, accurate, and complete.
Virgil Frazier
Mama and effktal titlo of owner/operator
OR ownerfopernter's authorized roornsentattvo
Sign abre
2/21/2013
Oats signed
a FLATIRONS, INC.
Surveying, Engineering & Geomatics
3825 Iris Avenue, Ste 395, Boulder, CO 80301
655 Fourth Avenue, Longmont, CO 80501
www.latsu v.com Phone (303) 443-7001 Fax (303)443-9830
July 16, 2013
Weld County Department of Public Works
Attn: Clay Kimmi PE, CFM
PO Box 758
Greeley, CO 80632
RE: Gilcrest Gas Plant Sketch Plan Drainage Report
Mr. Kimmi:
A Sketch Plan Drainage Report for the AKA Energy Group, LLC, Gilcrest Gas Plant is
submitted for your review in accordance with the Weld County Storm Drainage Criteria
Addendum to the Urban Storm Drainage Manuals Volumes 1, 2, and 3.
The Gilcrest Gas Plant is located in the NW Quarter of Section 32, Township 4 North, Range 66
West of the 6t" P.M.
Please feel free to contact me if you have any questions or comments.
Thank you,
ittA,
Ken Curfman PE, PLS
970-443-7001, x184
kcurfman@flatsurv.com
cc: AKA Energy Group, LLC
Sketch Plan
Drainage Report
For
AKA Energy Group, LLC
Gilcrest Gas Plant
Weld County, Colorado
Prepared For:
AKA Energy Group, LLC
13472 Weld County Road 40
Platteville, CO 80651
(970) 737-2601
July 15, 2013
FSI# 13-100466
Prepared By:
Flatirons, Inc.
Surveying, Engineering & Geomatics
655 Fourth Avenue
Longmont, Colorado 80501
303-443-7001
SKETCH PLAN
DRAINAGE REPORT
FOR
AKA ENERGY GROUP, LLC
Gilcrest Gas Plant
WELD COUNTY, COLORADO
Prepared for:
AKA Energy Group, LLC
13472 Weld County Road 40
Platteville, CO 80651
(970) 737-2601
July 15, 2013
Prepared by:
Flatirons, Inc.
Surveying & Engineering
Kenneth W. Curfman PE, PLS
655 Fourth Avenue
Longmont, CO 80501
FSI# 12-100,466
Flatirons, Inc. — Surveying & Engineering
TABLE OF CONTENTS
Certification 1
Vicinity Map 2
1.0 Location and Description 3
Background 3
Project Location 3
Property Description 3
2.0 Drainage Basins and Sub -Basins 4
Major Basin Description 4
Sub -Basin Description 4
3.0 Drainage Facility Design 4
General Proposed Concept 4
Specific Details 5
Variance from Criteria 5
4.0 Conclusions and Recommendations S
References 6
Appendix A A
Exhibits A
Appendix B B
Soils Information B
Appendix C C
Floodplain Information C
Gilcrest Gas Plant July 15, 2013
Flatirons, Inc. — Surveying & Engineering
CERTIFICATION
"I hereby certify that this report for the conceptual drainage design of the Gilcrest Gas
Plant was prepared by me (or under my direct supervision) in accordance with the
provisions of Weld County storm drainage criteria for the owners thereof"
Kenneth W. Curfman PE, PLS
For and on Behalf of Flatirons, Inc.
State of Colorado No. 25620
Gilcrest Gas Plant
1 July 15, 2013
Flatirons, Inc. — Surveying & Engineering
VICINITY MAP
(Not to Scale)
Gilcrest Gas Plant
2 July 15, 2013
Flatirons, Inc. — Surveying & Engineering
1 .O LOCATION AND DESCRIPTION
Background
This Sketch Plan Drainage Report is prepared for USR-866, Use by Special Review Permit
for AKA Energy Group, LLC of Platteville, CO for the Gilcrest Gas Plant.
The Sketch Plan Drainage Report followed the criteria set forth by Urban Storm Drainage
Criteria Manuals (USDCM), Volumes 1, 2 and 3, and the Weld County Storm Drainage
Criteria Addendum to the Urban Storm Drainage Criteria Manuals, Volumes 1, 2 and 3
dated October 2006.
Project Location
The Gilcrest Gas Plant is located Lot C, Exemption No. 1057-32-2 RE 4508, located in the
Northwest Quarter of Section 32, Township 4 North, Range 66 West of the 6th P.M.,
County of Weld, State of Colorado. Weld County Road (WCR) 40 bounds the property on
the north. Lot D, Exemption No. 1057-32-2 RE 4508 forms the southern and western
boundaries of the property, and Lot B, Exemption No. 1057 -32 -1 -RE 1071 forms the
eastern boundary of the property.
The property is surrounded by land designated as Agricultural Zoning. There are no major
lakes, streams, or water resource facilities within the property. A small concrete lined
irrigation ditch parallels the eastern and a portion of the southern property boundaries. The
Farmers Independent Ditch is approximately 300 feet west of the northwest corner of the
property.
Property Description
The site is approximately 8.53 acres in size, and has historically been agricultural land. An
operating gas plant is situated on the eastern, rectangular piece of the property. The
existing gas plant is approximately 625 feet (north -south) by 330 feet (east -west) in size
and covered by buildings, concrete pads, metal tanks, storage areas and gravel drive areas.
There is no natural plant growth in the existing gas plant site. Access to the property is
from WCR 40.
The western part of the property is triangular shaped and extends 600 -feet westerly from
the existing gas plant along WCR 40. The western portion of the property is undeveloped
and covered with weeds.
A 2 -foot deep concrete lined irrigation ditch is situated on the adjacent properties parallel
to part of the southern property boundary and the entire eastern boundary. Water in the
concrete lined ditch flows easterly along the southern property boundary and northerly
along the easterly property boundary. The water in the ditch is directed under WCR 40
after it reaches the northeast corner of the property.
The site slopes downward northwesterly at approximately 0.7%. The soil consists of
Julesburg Sandy Loam. The soils are divided between Map Unit 29 and Map Unit 30.
Both units are comprised of the Julesburg Sandy Loam, with Unit 29 associated with slopes
of 0% to 1% and Unit 30 associated with slopes of 1% to 3%. Both Julesburg Sandy Loam
Gilcrest Gas Plant
3 July 15, 2013
Flatirons, Inc. — Surveying & Engineering
soils are well drained and assigned to Hydrologic Group 'B' by the United States
Department of Agriculture (USDA) National Resources Conservation Service (MRCS).
2.0 DRAINAGE BASINS AND SUB -BASINS
Major Basin Description
The property is located in the South Platte River Basin approximately 2 miles southeast of
river. The South Platte River flows to the northeast. The land between the river and the
site is irrigated agricultural land. The water from the site will be intercepted by the
Farmers Independent Ditch and will not flow directly to the river. The Farmers
Independent Ditch meanders in a northeasterly direction above the South Platte River
delivering irrigation water to farms.
The Gilcrest Gas Plant property is located in Zone C, Areas of minimal flooding.
According to the FEMA Food Insurance Rate Map; Community Panel No. 080266-0750
C, Dated September 28, 1982.
Sub -Basin Description
Three sub -basins, Xl, X2, and X3, define the existing drainage basins on site: the western
triangular portion, the middle road section, and the eastern portion of the subject property.
Historically, runoff during major rainfall events occurs in sheet flows from the southeast to
the northwest on the western triangular portion of the property and eventually outfalls into
the Independent Farmers Ditch. Rainfall on the middle road section flows to the north via
ditches on either side of the road. A concrete irrigation ditch surrounds the eastern portion
of the property intercepting all off -site runoff and directing it around the site, while on -site
drainage flows to the existing retention basin near access road to the gas plant.
Most of the nearby properties also sheet flow across agricultural land and outfall into the
Farmers Independent Ditch. Since the subject property is surrounded by a concrete
irrigation channel, and is located on a ridge, there is no anticipation of off -site flows from
reaching the subject property. Refer to drainage exhibit DR -1 in Appendix A for all
locations of existing drainage basins.
3.0 DRAINAGE FACILITY DESIGN
General Proposed Concept
This drainage report is prepared with criteria set forth in the Weld County Storm Drainage
Criteria Addendum to the Urban Storm Drainage Criteria Manual (USDCM). The general
proposed drainage concept is to replicate historic drainage patterns to the Farmers
Independent Ditch while utilizing two detention ponds for detention and water quality
purposes.
There is no anticipation of increasing runoff from historic patterns due to the use of the
detention ponds. Refer to drainage exhibit DR -2 in Appendix A for more information
regarding the proposed drainage concept.
Gilcrest Gas Plant
4 July 15, 2013
Flatirons, Inc. — Surveying & Engineering
Specific Details
The drainage concept will be designed using the 10 -year event for the minor storm and the
100 -year event for the major storm. Using NOAA's Precipitation Frequency Data Server
the minor storm precipitation depth is 1.39 inches for the 1 -hour event and 2.00 inches for
the 6 -hour event. The major storm precipitation depth is 2.73 inches for the 1 -hour event
and 3.92 inches for the 6 -hour event. There are no anticipated drainage problems from the
proposed development.
Access to the drainage facilities will be from on -site roads. There are no anticipated issues
accessing the drainage facilities for maintenance purposes.
Variance from Criteria
r No variances from design criteria are requested for this project.
4.O CONCLUSIONS AND RECOMMENDATIONS
The Sketch Plan Drainage Report has been prepared in compliance with the criteria set
forth by Urban Storm Drainage Criteria Manuals (USDCM), Volumes 1, 2 and 3, and the
Weld County Storm Drainage Criteria Addendum to the Urban Storm Drainage Criteria
Manuals, Volumes 1, 2 and 3 dated October 2006. It is intended to be submitted as part of,
and in support of a Weld County Use by Special Review Permit application for AKA
Energy Group, LLC of Platteville, CO for the Gilcrest Gas Plant. It is anticipated that
during the review process, some modifications of the site design, and consequently the
drainage design may be necessary. This proposed development will not cause any negative
impacts on the upstream or downstream properties.
Gilcrest Gas Plant
5 July 15, 2013
Flatirons, Inc. — Surveying & Engineering
REFERENCES
Weld County Strom Drainage Criteria Addendum to the Urban Storm Drainage
Criteria Manuals Volumes 1, 2, and 3
October 2006
Weld County Public Works Department.
- Urban Storm Drainage Criteria Manual Volumes 1 and 2
June 2001; Revised April 2008
Urban Drainage and Flood Control District
- Urban Storm Drainage Criteria Manual Volume 3 - Best Management Practices
November 2010
Urban Drainage and Flood Control District
- FEMA Flood Insurance Rate Map
September 28, 1982
Community Panel No. 080266-0750 C
- USDA Natural Resources Conservation Service
National Cooperative Soil Survey
http://websoilsurvey.nres.usda.gov/app/
- NOAA National Weather Service
Precipitation Frequency Data Server
Hsdc.nws.noaa.gov/hdsc/pfds
Gilcrest Gas Plant
6 July 15, 2013
Flatirons, Inc. — Surveying & Engineering
APPENDIX A
Exhibits
Please refer to the enclosed 24" x 36" maps of the proposed drainage basins, storm
drainage facilities, pipe profiles and details. In this appendix are 8 '/2" x 11" copies of these
maps.
The drainage map shows the drainage basins and their respective areas. It also shows
storm facility locations, and details.
Gilcrest Gas Plant
A July 15, 2013
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APPENDIX B
Soils Information
Attached is a copy of the soils information for this site according to the USDA-NRCS
Gilcrest Gas Plant
B July 15, 2013
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Conservation Service National Cooperative Soil Survey
7/11/2013
Page 3 of 3
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Map Scale: 1:3,770 if printed on A size (8.5" x 11") sheet.
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The soil surveys that comprise your AOI were mapped at 1:24,000.
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K Factor, Rock Free —Weld County, Colorado, Southern Part
K Factor, Rock Free
K Factor, Rock Free— Summary by Map Unit —Weld County, Colorado, Southern Part (CO618)
Map unit symbol
Map unit name
Rating
Acres in AOI
Percent of AOI
11
Bresser sandy loam, 0 to 1 percent
slopes
.17
0.7
0.99
29
Julesburg sandy loam, 0 to 1
percent slopes
.24
52.9
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30
Julesburg sandy loam, 1 to 3
percent slopes
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21.6
28.7%
Totals for Area of Interest
75.2
100.0%
Description
Erosion factor K indicates the susceptibility of a soil to sheet and rill erosion by
water. Factor K is one of six factors used in the Universal Soil Loss Equation (USLE)
and the Revised Universal Soil Loss Equation (RUSLE) to predict the average
annual rate of soil loss by sheet and rill erosion in tons per acre per year. The
estimates are based primarily on percentage of silt, sand, and organic matter and
on soil structure and saturated hydraulic conductivity (Ksat). Values of K range from
0.02 to 0.69. Other factors being equal, the higher the value, the more susceptible
the soil is to sheet and rill erosion by water.
"Erosion factor Kf (rock free)" indicates the erodibility of the fine -earth fraction, or
the material less than 2 millimeters in size.
Rating Options
Aggregation Method: Dominant Condition
Component Percent Cutoff: None Specified
Tie -break Rule: Higher
Layer Options: Surface Layer
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 3of3
T Factor —Weld County, Colorado. Southern Part
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Map Scale: 1:3,770 if printed on A size (8.5" x 11") sheet.
Area of Interest (AOI)
The soil surveys that comprise your AOI were mapped at 1:24,000.
Area of Interest (AOI)
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T Factor —Weld County, Colorado. Southern Part
T Factor
T Factor— Summary by Map Unit — Weld County, Colorado, Southern Part (CO618)
Map unit symbol
Map unit name
Rating (tons per acre
per year)
Acres in AOI
Percent of AOI
11
Bresser sandy loam, 0 to 1 percent
slopes
3
0.7
0.9%
29
Julesburg sandy loam, 0 to 1
percent slopes
4
52.9
70.3%
30
Julesburg sandy loam, 1 to 3
percent slopes
4
21.6
28.7%
Totals for Area of Interest
75.2
100.0%
Description
The T factor is an estimate of the maximum average annual rate of soil erosion by
wind and/or water that can occur without affecting crop productivity over a sustained
period. The rate is in tons per acre per year.
Rating Options
Units of Measure: tons per acre per year
Aggregation Method: Dominant Condition
Component Percent Cutoff: None Specified
Tie -break Rule: Lower
Interpret Nulls as Zero: No
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 3of3
Map Unit Description: Julesburg sandy loam, 0 to 1 percent slopes —Weld
County, Colorado. Southern Part
Map Unit Description
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 in this
report, 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 map unit 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, components. 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. These are 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.
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.
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 1 of 3
Map Unit Description: Julesburg sandy loam, 0 to 1 percent slopes —Weld
County, Colorado. Southern Part
Soils that have profiles that are almost alike make up a soil series. All the soils of
a series have major horizons that are similar in composition, thickness, and
arrangement. Soils of a given 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.
Additional information about the map units described in this report is available in
other soil reports, which give properties of the soils and the limitations, capabilities,
and potentials for many uses. Also, the narratives that accompany the soil reports
define some of the properties included in the map unit descriptions.
Weld County, Colorado, Southern Part
29 Julesburg sandy loam, 0 to 1 percent slopes
Map Unit Setting
Elevation: 4,700 to 4,800 feet
Mean annual precipitation: 15 to 19 inches
Mean annual air temperature: 48 to 52 degrees F
Frost -free period: 145 to 155 days
Map Unit Composition
Julesburg and similar soils: 85 percent
Minor components: 15 percent
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 2of3
Map Unit Description: Julesburg sandy loam, 0 to 1 percent slopes —Weld
County, Colorado. Southern Part
Description of Julesburg
Setting
Landform: Terraces
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: South platte river alluvium
Properties and qualities
Slope: 0 to 1 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): High (2.00
to 6.00 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water capacity: Moderate (about 6.5 inches)
Interpretive groups
Farmland classification: Prime farmland if irrigated and the product of
I (soil erodibility) x C (climate factor) does not exceed 60
Land capability classification (irrigated): 2s
Land capability (nonirrigated): 3e
Hydrologic Soil Group: B
Ecological site: Sandy Plains (R067BY024CO)
Typical profile
0 to 12 inches: Sandy loam
12 to 27 inches: Sandy loam
27 to 60 inches: Sand
Minor Components
Edgar
Percent of map unit: 4 percent
Remmit
Percent of map unit: 4 percent
Valent
Percent of map unit: 4 percent
Vona
Percent of map unit: 3 percent
Data Source Information
Soil Survey Area: Weld County, Colorado, Southern Part
Survey Area Data: Version 11, Aug 27. 2009
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 3of3
Map Unit Description: Julesburg sandy loam, 1 to 3 percent slopes —Weld
County, Colorado. Southern Part
Map Unit Description
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 in this
report, 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 map unit 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, components. 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. These are 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.
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.
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 1 of 3
Map Unit Description: Julesburg sandy loam, 1 to 3 percent slopes —Weld
County, Colorado. Southern Part
Soils that have profiles that are almost alike make up a soil series. All the soils of
a series have major horizons that are similar in composition, thickness, and
arrangement. Soils of a given 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.
Additional information about the map units described in this report is available in
other soil reports, which give properties of the soils and the limitations, capabilities,
and potentials for many uses. Also, the narratives that accompany the soil reports
define some of the properties included in the map unit descriptions.
Weld County, Colorado, Southern Part
30 Julesburg sandy loam, 1 to 3 percent slopes
Map Unit Setting
Elevation: 4,700 to 4,800 feet
Mean annual precipitation: 15 to 19 inches
Mean annual air temperature: 48 to 52 degrees F
Frost -free period: 145 to 155 days
Map Unit Composition
Julesburg and similar soils: 90 percent
Minor components: 10 percent
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 2of3
Map Unit Description: Julesburg sandy loam, 1 to 3 percent slopes —Weld
County, Colorado. Southern Part
Description of Julesburg
Setting
Landform: Terraces
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: South platte river alluvium
Properties and qualities
Slope: 1 to 3 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): High (2.00
to 6.00 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water capacity: Moderate (about 6.5 inches)
Interpretive groups
Farmland classification: Prime farmland if irrigated and the product of
I (soil erodibility) x C (climate factor) does not exceed 60
Land capability classification (irrigated): 2e
Land capability (nonirrigated): 3e
Hydrologic Soil Group: B
Ecological site: Sandy Plains (R067BY024CO)
Typical profile
0 to 12 inches: Sandy loam
12 to 27 inches: Sandy loam
27 to 60 inches: Sand
Minor Components
Valent
Percent of map unit: 5 percent
Remmit
Percent of map unit: 5 percent
Data Source Information
Soil Survey Area: Weld County, Colorado, Southern Part
Survey Area Data: Version 11, Aug 27. 2009
t \ Natural Resources Web Soil Survey
Conservation Service
National Cooperative Soil Survey
7/11/2013
Page 3of3
Flatirons, Inc. — Surveying & Engineering
APPENDIX C
I' IoodpIain Ii?Jbrmatio 1
Attached is copy of the FEMA Floodplain Flood Insurance Rate Map of the Area
Gilcrest Gas Plant
C July 15, 2013
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