HomeMy WebLinkAboutpitkin.eh.247318100067 (1997)Document Layout
(From Most Recent to Oldest Permit)
Permit
Application
Log Sheet/Notes & Photos
Communications
As -built Design
Engineer Design
Soil Information
Water Permit & Information
Second System on property
Third System.etc.
Floor Plans
Please See Building and Land Use Approvals Files for additional information
APPLICATION FOR .NDIVIDUAL SEWAGE DISPOSAL SYSTEM
130 S. Caudna SL. Aspen Colorado 61611
�1 4jt;e 97i920.5070/Fax 970-920.5039
Permit # /Q Parcel ID # IA -/ 7 3 - / SS / - 00-0 Co Z
Permit For. New Installation (-A Repair O Remodel O Emergency Use( )
NdmeotOWNER ** 72bM
-/
Street Address ?5-I �/'� •
Owners Mailing Address aX I9IL ifill 062J
Business Phone: V b' 3&Ls Home Phone: "/0
89
Legal Descnpuon: Lot ,Block ` p .Subdivision
Size of lar.• 50 acres Type of proposed stmature: 7• F r IC r Size of bldq. envelope:
Total arearlMitc; space (sq. hl: 204010 s of Bedrooms, offices and similar size moms: 3
Caretaker Unit � I )Attached f )Detached I 1 Total areaffiwing space of caretaker unnfsa n.) ( 1 # of Bedrooms, offices and similar size rooms
Primary Contact Person AtA�V 70/"090
Contact Mailing Address &X 11040 .31111 & ii/ 2•
Business Phone : i1 Cell Phone : E ' q30V' -/w7
Water( 4nvate well ( )Sonnq ( )Stream ( 1 Community/Public (Name of
Is Proof of Adequate Water Attached ( Required) ? (f✓) Yes ( I No ( A water quality test and well pump test or approval letter from community system)
Has this project been approved by Pitkin County ? ( 04es ( ) No
Is a copy of the floor plan attached ( Required 17 ( wf1'es ( ) No
Application for an individual sewage disposal system is hereby submitted. I hereby comfy that the above information is true and accurate and that I have provided true and
accurate information on locations of all edsting and proposed wells. contour intervals, buildings. Property lines. ditches. slopes, waterlines, springs. suction or imgation lines.
drinking water =tams. drain tiles, irrigation ditches, lakes, water courses, streams, floodplain. dry gulches. and existing septic systems. I acknowledge that any false or
incomplete momnation will imaidate the application and arty subsequent permit. Issuance of the permit does not imply the approval of any other permit required for construction
pursuant to Pitkin County codes. No construction bow rtaken until as approvals and permits have been obtained. The owner assumes all responsibilities in case of failure
or inadequacy of this system.
Signature of applicant / C/ Date A�
----------------------------------------------- fordepaRmem-Uff below____________--_-__---_---_-____--_____________
PERMIT FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM
Pen RdtO mm per inch Pmfile Hole Depth ll% feet
Septic tank capacity: /SSD gallons Absorption area: _ /C'l / sq. R
A jerC. ii ref il rcd an enjPilll dcs,gn . "14 des/y7 aAd spcl4lulis-s
,.r (,1,f,s
Sfi-oll a;k 6"Lu— AtW OGd. lo, (07 ma4
Liawcd. 4"y CAM'115
mss+ 6c
kPPrnaCd
tic llf9inCt✓ of �Akis de�fr4wT i . 4 ISo0
gall(,, 6Q{�ltJ rrc
-12Ak is
tr9a;rtd •
30% rrj,. Am -1fr 1111441use. W grill
cdual ;s allolucd
(ok/ck rl�Juze-s JG.
Square fD642 ?- -1b 75D or 49 CJ.,oflers.
al/ :5fj s rnusL
be ma;,)
-42,;.xd .
An Inspection is required prior to backfill of any component of the distribution system.
Design by Engineer Required ? (Wyss ( ) No All plans and specifications of the engineer must be followed. Any changes must be approved by the
Aspen/Pilkin Envirommntal Health Department in writing and the engineer must certify the final installation to the Environmental Health Department in
writing.
Permit approval by: fr� Date //-
Plass and specifications it Ne pmposed individual sewage disposal syste ave been reviewed and are considered satisfactory. permission is hereby granted to the owner or
the agent to perform the work indicated in accordance Nth the Pitkin County ISDS Regulation in effect at the time of issue. This permit becomes imalid fi months from the date
that the permit was issued unless system construction has commenced or an extension has been approved in writing by the Department.
As -Built drawings must be included with this permit before the final approval will be Issued.
Installer
Receiptif
t/ Site Plan '�
Well Permit and
Soils Test
/ - 3' Data received
�— Floor Plan
Water quality Test or
Ir- N-97 Date Info Complete
Received by
Comm Dev Approval
puler Au✓L" - 1. 44"
Water System Letter
Final Insp Raquested
Final Inspection Approval: Date: Aaeap 1e'a
3 3 � vv- 9Y
0
JEROME GAMBA & ASSOCIATES, INC.
CONSULTING ENGINEERS & LAND SURVEYORS
1139TH STREET, SUITE 214
P.O. BOX 1459
GLENWOOD SPRINGS, COLORADO 816021458
PHONE: (970) 9452550 FAX: (970) 9451410
Tom Dunlop
Pitkin County Environmental Health
130 South Galena
Aspen, CO 81611
Re: Allan Thomas I.S.D.S final inspection
Thomasville above Ruedi Reservoir
Dear Tom:
0
Jut q
July 27, 1998
On July 24, 1998 a final inspection of the ISDS was performed by Jerome Gamba &
Associates, Inc. and was found to be in substantial conformance to the plans and
specifications dated October 10, 1997, except for the following field changes;
1.) The Fine Washed Tailings (sand filter) material name description was changed
at the gravel plant to 1/4" Chip, which according to the plant operator is the
same material.
2.) The location of the septic tank has been changed to the front of the residence
as shown on the as -built plan.
3.) The Septic Tank is a Norwesco,1500 gallon Plastic tank, which shall be
covered with approximately 3" of cover material, overlain with a metal sheet and
then weighted with large boulders to counter weight the plastic tank when the
tank is being pumped out.
4.) The depth of filter material under the north end of the leach field is
approximately 2'-3" in depth below the bottom of the Infiltrator and 3' + in depth
at the south end of the system.
G\97615\1homas as-built.doc
S
Page 1 of 2
C,
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Accompanying this letter is a copy of the Record (or "As -Built") Drawings.
If you have any questions or comments, please call me.
Sincerely,
JEROME GAMBA & ASSOCIATES, INC.
_Y/// z
Chris StrouSe
Robert W. Pennington, P.E. 29323
cc: Allan Thomas
G:\97615\thomas_as-bui1t.doc
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CONSULTING ENGINEERS & LAND SURVEYORS
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10/09/97 08:00 $`3039451410 JGA
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JEROME GAMBA & ASSOCIATES, INC.
CONSULTING ENGINEERS & LAND SURVEYORS
1179TH STREET. SUITE 214
P.O. BOX uss
GLENWOOD SPRINGS, COLORADO 81fi02-1459
PNONE:(970)945-2550 FA%:(910)945.1410
FAX TRANSMITTAL
DATE: /(CI-)- Q-- _`7 TIME:
TO: /t)4/x/
Name /
/'/ll1ir� (OCLIG / L�rU L /
Company
Fax Number
Phone Number for Confirmation
FK: � .7 5T2l2C�
Name
Z001
1p-,0) 945-1410 _..
Faxx� /Number
Sent By
Total number of pages including this cover sheet: ?
If you receive less than the number of pages indicated above, please
call (970) 945-2550. Otherwise, we will assume you have received the
transmission satisfactorily.
Comments
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10/09/97 08:01 '8`3039451410 JGA
INDIODUAL SEPTIC SYSTEM DESIGN • 1 •
Current proposed residence is a 3 bedroom house over 2000 s.f_
Assume 2 people per bedroom and an overage daily sewage flow of 100.0 gallons
per person, per day, according to the Colorado State Department of Health.
Therefore:
3 BEDROOMS X 2 people per bedroom = 6 people
6 people X 100 Gpd/person = 600 Gallons per day (Average Daily Flow)
MAXIMUM DAILY FLOW = 175% of the AVERAGE DAILY FLOW
002
F>�x �iZv- 5l;R7
Therefore; Maximum Dolly Flow = 1.75 X Average Daily Flow = 1050 gpd
MINIMUM SEPTIC TANK SIZE = 1500 Gallons V/
Percolation tests were perfomed by Jerome Gamba & Associates, Inc., using a Fine Washed Tailings acquired
from Western Slope Aggregate. Results for the percolation tests was found to be 26 min/in.
The Absorption Area for a norm]each field is calculated
using the following formula: �Y4yn�.:: •_
A =017-
5
A = Absorption Area
Q = Maximum Doily Flow — 1050
�IoSo n V 24
5
A=ZroX 5-,01
t — Percolation Rate = 26 min/in.
9
Therefore, The required Leach Field area = 1070.79 s.f. ✓
According to the PITKIN COUNTY Department of Environmental
Health, when the ""Infiltrator"" leaching chamber is installed in a trench configuration,
a reduction of 30% in the size of the Absorption area is allowed.
Therefore;
(0.70) X 1070.79 = 749.55 Sq. Ft. of Infiltrators
The area as per Pitkin County, allowed per Infiltrator — 15.5 sq. Ft.
Therefore:
The minimum number of Infiltrators required Is = 48.3 units
�&\ USE: 49 units
y
THE INFILTRATOR BED SHALL BE TlINFILTRATOR UNITS WIDE BY 10 INFILTRATOR UNITS LONG and ONE
ROW 9 UNITS LONG. THE BED SHALL HAVE A MINIMUM OF 24" OF COVER OVER THE ENTIRE INFILTRATOR LEACHING
AREA.
MINIM M HORIZONTAL
DI
TANCES BETWEEN SEPTIC SYSTEM COMPONENTS:
ABSORPTION
TRENCH
TO
ANY DITCHES OR WATER COURSES:
50
ft.
ABSORPTION
TRENCH
TO
POTABEL WATER WATER SUPPLY OF SUPPLY LINE:
25
ft.
ABSORPTOIN
TRENCH
TO
PROPERTY LINES:
10
ft.
ABSORPTION
TRENCH
TO
SEPTIC TANK:
6
ft (r l
ASSORPTON
TRENCH
TO
SPRING OR WELL.
1 5
ft
lo`� if
SEPTIC TANK
TO RESIDENCE_
ALL COMPONENTS FO THE SEPTIC SYSTEM SHALL BE INSTALLED ACCORDING TO PITKIN COUNTY
AND COLORADO DEPARTMENT OF HEALTH CODES, AND ACCORDING TO MANUFACTURERS SPECIFICARTIONS.
10'09/97 08:01 $5039451410 JGA 0 003
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ASPEN/PITKIONVIRONMENTAL HEALTH DEPARTMEf`
ISDS DESIGN REQUIREMENTS
DEPARTMENT USE ONLY
Permit #
Name Thomas Parcel ID #
House SizE 2,066 (75 gpd, 100 gpd, or 130 gpd) 100
Number of Bedrooms, Lofts, Offices, Similar Rooms, Main House 3
Number of Bedrooms, Lofts, Offices, Similar Rooms, Caretaker unit
Average Daily Waste Flow 450 # bedrooms X 2 people/br X 75
State Review Required? no
Perc Rate 26 (T)
Design Flo w (Q) = # bedrooms X 2 people/bedroom X gpd X 1.75
Q= 1050
Absorption Area (A= Q/5 X SART)
A = 1070.794 sq. ft. of absorption area required
69 infiltrator units without reduction
or 356.9314 lineal feet of 3' wide trenches
A maximum 30% reduction is allowed for use of deep gravel or gravelless chambered system.
749.5559 sq.ft. with reduction
48 infiltrator units with reduction
249.852 lineal feet of infiltration units in 3' wide trenches
Type of system: OAbsorption trenches OAbsorption bed 0 Gravelless chambers
ODry well OSeepage Pit OPumping Chamber
Is an Engineer -Designed System required? no
yes reason:
Minimum tank capacity 1312.5 gallons
SETBACK FROM WELL
# of feet = 104
Remember: 8 feet of additional distance for each 100 gallons/day of design flow over 1,000 gallons/day
should be added unless an RPE can verify that it is not necessary to prevent contamination.
APPROVED FOR ISSUE BY:
SYSTEM INSTALLED BY:
DATE OF FINAL INSPECTION REQUEST:
FINAL INSPECTION BY:
9
Printed on Recycled Paper
DATE:
DATE:
10/08/97 13:12
'$3030410
To: File
From: Chris Strouse
Date: July 18, 1997
Re: Allan Thomas Percolation Tests
Thomasville, Colorado
JGA
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On July 17, 1997 I performed three percolation tests at the Allan Thomas proposed residence.
The following are the results of the percolation testing. A soil profile hole was also excavated at
the site. The profile hole was approximately 10.5' in depth. There was no ground water present at
this time. The soils consisted of l' of topsoil underlain by large boulders, river alluvium and
decomposed granite materials.
PERCOLATION
TEST HOLE =VrEo�
TOTAL TIME OF
I PERC TEST
PERCOLATION
RATE
r 1 51 in.
1 41 min.
2.3 min.\in
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YOLANOE PLACER •
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NOTICE
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Shelton Drilling Corp
P.O. Box 1059
Basalt, Colo. 81621
(970) 927-4182
Lic. # 1095
Name Alan Thomas
c/o :
Address P.O. Box 1816
City, St, Zip Basalt, Co. 81621
Phone # : (970) 927-1089
1991
�i
ENVIF�ON��tN''%H.`4LTH
AcDr_P
Invoice # C-1147
Date : 09/27/97
Permit # : 202866
Location Thomasville
Hole Size
Depth
Type
Casing ID
Casing OD
From -To
9.0
22
Steel
6.5
7.0
0-22
6.5
41
Steel
5.0
5.0
19-41
5.0
98
PVC
4.0
4.5
38-98
Perforated Ft
Estimated
Static Level
Total Drilled
Recommended Pump Set Depth 90 Ft. Pumping 10 GPM.
For Pump Installation We Recommend : Aqua Tec Pump 984-0311 (Tom Platzer)
Samuelson Pump 945-6309 (Raun Samuelson)
J & M Pump Co 945-6159 (Rick Holub)
Special Instructions
Price Per Foot Feet @ $ Per Foot = $
Feet @ $ Per Foot = $
Total Invoice. . . . . . . . $
20 ft
10 gpm
18 ft
98 ft
Conditions Of Payment : Minimum Charge Applies pay $ 3,500.00
PLEASE READ THE FOLLOWING RECOMMENDATIONS
1.' WE STRONGLY RECOMMEND A VALID PUMP TEST BE CONDUCTED BY A LICENSED PUMP
INSTALLER TO DETERMINE THE ACTUAL WELL PRODUCTION AND WATER QUALITY. THIS SHOULD
ESTABLISH THE ACTUAL WELL PRODUCTION PARAMETERS WHICH WE CANNOT DETERMINE WHILE
DRILLING.
2. On Monitoring/Observation Holes (test holes) it is the customer's responsibility to obtain the proper
permit before the well is put to beneficial use (within one year) or the State may require the hole be plugged
and abandoned. We will be happy to assist you whenever possible in filling out the appropriate well
application.
3. The landowner is ultimately responsible for the plugging and abandoning of dry holes or replaced wells,
according to State Rules and Regulations. Please contact us for details and/or prices.
Please call us if you have any questions . THANK YOU
Form No. OFFICE THE STATE ENGINEER �NERIS COPY
GWS -25 COLORADO DI ON OF WATER RESOURCES _
818 Centennial Bldg., 1313 Sherman St., Denver, Colorado 80203
(303) 866-3581
LIC
APPLICANT
ALAN & RACHEL THOMAS
P.O. BOX 1816
BASALT, CO 81621
WELL PERMIT NUMBER 202866
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DIV. 5 CNTY. 49 WD 38 DES. BASIN MD
Lot: Block: Filing: Subdiv:
APPROVED WELL LOCATION
PITKIN COUNTY
SE 1/4 NE 1/4 Section 18
Twp 8 S Rng 83W 6th P.M.
DISTANCES FROM SECTION LINES
3300 Ft. from SOUTH Section Line
(970)927-1089 250 Ft. from EAST Section Line
PERMIT TO CONSTRUCT A WELL
ISSUANCE OF THIS PERMIT DOES NOT CONFER A WATER RIGHT
CONDITIONS OF APPROVAL
1) This well shall be used in such a way as to cause no material injury to existing water rights. The issuance of
the permit does not assure the applicant that no injury will occur to another vested water right or preclude
another owner of a vested water right from seeking relief in a civil court action.
2) The construction of this well shall be in compliance with the Water Well Construction Rules 2 CCR 402-2,
unless approval of a variance has been granted by the State Board of Examiners of Water Well Construction
and Pump Installation Contractors in accordance with Rule 18.
3) Approved pursuant to CRS 37-92-602(3)(b)(II)(A) as the only well on a residential site of 0.5 acres described
as that portion of the SE %, NE y4, Sec. 18, Twp. 8 South, Rng. 83 West, 6th P.M., Pitkin County, more
particularly described on attached exhibit A.
4) The use of ground water from this well is limited to ordinary household purposes inside a single family dwelling.
The ground water shall not be used for irrigation or other purposes.
5) The maximum pumping rate shall not exceed 15 GPM.
6) The return flow from the use of this well must be through an individual waste water disposal system of the
non -evaporative type where the water is returned to the same stream system in which the well is located.
7) This well shall be constructed not more than 200 feet from the location specified on this permit.
NOTE: Parcel Identification Number (PIN): 49-2473-181-00-067
County Assessor Tax Schedule Number: 6797
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�S Receipt No. DATE ISSUED, JUL ' 4 1997EXPIRATION DATEi:'J
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To: File
From: Chris Strouse
Date: July 18, 1997
Re: Allan Thomas Percolation Tests
Thomasville, Colorado
On July 17, 19971 performed three percolation tests at the Allan Thomas proposed residence.
The following are the results of the percolation testing. A soil profile hole was also excavated at
the site. The profile hole was approximately 10.5' in depth. There was no ground water present at
this time. The soils consisted of l' of topsoil underlain by large boulders, river alluvium and
decomposed granite materials.
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MEMORANDUM
TO: Lance Clarke, Hearing Officer
FROM: Rick Magill, Senior Planner
SUBJECT: Thomas 1041 Hazard Review and Conceptual Submission
DATE: October 9, 1997
REQUEST: The applicant requests approval for establishment of a building envelope
for a single-family home and customary accessory uses on a parcel east of Thomasville,
off of the Frying Pan Road.
APPLICANT: Alan Thomas
ZONING: The property is zoned AFR-2, 2 acre minimum lot size.
PARCEL SIZE: .465 acre
PROCEDURE/PROCESS: This is a One -Step Review, requiring the approval of the
Hearing Officer at a public hearing.
REFERRAL COMMENTS: The following agencies have been referred on this case:
I. County Attorney *
2. County Engineer *
3. Zoning
4. Environmental Health
5. State Forest Service
6. Division of Wildlife
7. Frying Pan Caucus Caucus
9. County Wildlife Biologist
10. County Floodplain Administrator
* no comments received
Comments of the agencies listed above are referred to as necessary in the appropriate
sections of this memo. Referral memos received have been attached for your reference.
STAFF ANALYSIS OF PROPOSAL: The following is a summary review and
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analysis of the applicant's proposal relative to the most applicable policies and standards
of the Land Use Code.
Geologic Hazard Areas -
The parcel contains slopes of less than 5 percent, except for that portion of the
property which contains the steep bank of the Frying Pan River. There are no other
known geologic hazards on the subject property.
Wildfire Hazards -
The State Forest Service has rated the wildfire hazard as low for this parcel. Vince
Urbina has two specific mitigation recommendations that will be included as
conditions of approval. Staff will also include the applicable standards of Code
Section 3-80.70 as conditions.
Wildlife Habitat -
The applicant has indicated to Staff that the Division of Wildlife has visited the
site and has determined that there will be no significant impacts on wildlife as a result
of the proposed residential development. Staff has not been able to contact the DOW
for written comments, at this writing. Mike Villa, the County's Wildlife Biologist,
has determined that wildlife activity areas will not be significantly impacted by
construction and habitation of a residence on the subject property. Mr. Villa did
recommend that one kenneled dog be allowed on the property. Staff will also
recommend that a building envelope be established that is at least 20 feet from the top
of the riverbank to preserve the riparian habitat along the river.
Floodplain -
Temple Glassier, County Floodplain Administrator, points out that the 100 -year
floodplain is not mapped in this area of Pitkin County. However, where the 100 -year
floodplain or intermediate regional flood has not been established, regulation 3-80.40
of the Pitkin Country Land Use Code shall apply to all land within an area which is
twenty (20) horizontal or five (5) vertical feet (whichever is greater) from the exiting
high water line on any river, stream or material drainage channel.
The high water line of the river is not depicted on the submitted site plans. The low
water line is depicted to be approximately 11 vertical feet below the elevation of the
proposed residence and approximately 28 horizontal feet from the residence. The
high water line appears to Staff to be approximately 6 feet below the elevation of the
residence. Pursuant to the criteria of Code Section 3-80.40, the proposed development
is not within the 100 -year floodplain of the Frying Pan River.
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All development in Pitkin County must show compatibility with and
consideration for a set of guiding policies and minimal standards set out in Article 2 of
the Land Use Code. It is staff's opinion that the applicant can comply with these policies
and standards.
The site plan depicts a well location on the east side of the property just beyond
the top of the riverbank. Staff does not feel that the well needs to be in the building
envelope in this case. A water line extension of approximately 30 feet will be necessary,
but there are no 1041 concerns in this portion of the parcel. The Environmental Health
Department will require that the applicant demonstrate the quality and quantity of the
water supply, prior to the issuance of a septic permit.
The applicant depicts a leach field to be located in the northwest portion of the parcel.
The Environmental Health Department states that an engineer -designed system is
required, and that with careful planning, a system can be designed to fit on the lot and
meet all setback requirements. Staff recommends that a septic field construction envelope
be established in order to accommodate the septic field. If the primary building envelope
were to be extended to accommodate the septic field, then a Board of Adjustment
variance to the front yard setback would be required. The Zoning Office does not classify
a septic field as a structure within a setback, as long as there will not be a change in
existing grade exceeding 30".
Staff is recommending that a building envelope be established that complies with
the front, side and rear yard setbacks (see attached site plan). The location of the proposed
residence will have to be altered slightly to remain within the envelope. If the applicant
cannot move the residence, then a Board of Adjustment variance to the rear yard setback
will be required.
RECOMMENDATION: Staff recommends that the Hearing Officer approve the
Thomas 1041 Hazard Review, subject to the following conditions:
The Applicant shall adhere to all material representations made in the application
and in the public meetings.
2. Prior to building permit application, the Applicant shall record a 24 x 36 inch mylar
1041 Hazard Review Site Plan which meets the approval of the Community
Development Department and County Attorney. The Site Plan shall also be
submitted in digital format on a 3.5" diskette to the Community Development
Department, prior to the issuance of a building permit. The Site Plan shall include
the following 1041 Hazard Review Warning and Disclaimer:
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"The provisions of these regulations do not in any way assure or
imply that areas outside of designated hazard areas will be free from
hazards, or that approved mitigation measures will guarantee the
safety of any property."
a. The Site Plan shall depict a building envelope and a septic field construction
envelope, as recommended by Staff.
3. Outside illumination shall comply with County lighting standards in effect at the
time of building permit issuance.
4. The Applicant shall comply with the following wildlife mitigation measures:
a. One kenneled dog shall be allowed on this parcel.
b. Native vegetation shall not be disturbed outside the building envelope,
except as required for the access driveway and the implementation wildfire
mitigation measures. Vegetation within the envelope shall be preserved as
much as possible.
5. Wildfire mitigation shall be as follows:
a. All vegetation shall be removed within 10 feet of proposed structures. This
"defensible space" area shall be maintained in mowed grass or non-
flammable material, such as decorative rock or gravel.
b. All branches from remaining evergreen trees shall be pruned to a height of
10 feet above the ground or up to half the total height of the trees, whichever
is least.
C. All branches which extend over the roof eaves shall be trimmed and all
branches within 15 feet of the chimneys shall be removed.
d. Roofs and gutters shall be kept clear of debris.
e. Yards shall be kept clear of all litter, slash, and flammable debris.
f. Firewood shall be stacked on a parallel contour a minimum of 15 feet away
from any structure.
g. At least one ten pound approved ABC class fire extinguisher shall be placed
in a visible and accessible location for each structure.
h. Fences shall be kept clear of brush and debris.
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Wood fences shall not be connected to the structure.
Fuel tanks shall be installed underground with an approved container.
k. Roof construction shall be Class A, non-combustible material with no flat
roofs.
All vents shall be screened with corrosive resistant wire mesh of one quarter
inch (1/4") maximum.
M. Addresses shall be clearly marked and visible with minimum 2" letters.
n. Maintenance of the "defensible space" shall be required in order to retain it's
value as wildfire mitigation.
o. Any additional buildings shall incorporate wildfire mitigation measures.
6. Prior to issuance of a septic permit, the Applicant shall provide documentation of an
adequate domestic water supply. Quantity and quality of said supply shall meet the
approval of the Environmental Health Department.
The septic system designed for the site shall meet the approval of the Environmental
Health Department. The Applicant shall obtain such approval prior to the issuance
of a building permit.
8. The Applicant shall obtain a fireplace/woodstove permit from Environmental Health
Department, prior to the issuance of a building permit.
9. The disturbed areas within the building site shall be revegetated with native grasses
to limit water consumption and additional runoff, immediately following project
completion.
10. All development, included grading and landscaping, shall occur within the building
envelope, except for grading necessary to construct the access driveway. The septic
field shall be confined within the approved septic field construction envelope. No
other development can take place in the septic field envelope.
12. The Applicant shall obtain an access permit from the County Engineer, prior to
commencement of any construction.
13. If any portion of the structure(s) encroach on the setbacks, Board of Adjustment
approval of a variance(s) will be required, prior to the issuance of building permits.
ATTACHMENTS:
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1. CSFS letter
2. Environmental Health memo
3. County Wildlife Biologist memo
4. Zoning Office memo
5. Frying Pan Caucus letter
6. Floodplain Administrator memo
7. Site Plan w/ recommended building envelope
I*
MEMORANDUM
To: Rick Magill, Community Development Department
From: Nancy MacKenzie, Environmental Health Department
Date: September 30, 1997
Re: Thomas 1041 Hazard Review & conceptual submission
Parcel ID #2473-181-00-067
The Aspen/Pitkin Environmental Health Department has reviewed the details of the
application under the authority of the Pitkin County Land Use Code and has the
following comments.
ADEQUATE PROVISIONS FOR WATER NEEDS: Sections 2-17 and 3-1104:
"It is the policy of the County to insure the availability of a water supply of adequate quality, quantity, pressure and dependability
for fire protection and support of a proposed land use prior to approval of the use. The County shall require land uses to hook up
to e)dsting public systems if service is available."
This Department needs adequate information on the quantity and the quality of water
available. This can be done from tests of wells present on-site by a water engineer's or
well driller's report. The applicant must ensure that the water quality is acceptable by
having it tested by a lab such as the Snowmass Water and Sanitation District or Aspen
Consolidated Sanitation District. Water of acceptable quality and quantity has been
obtained in other lots in this area. Before a septic permit can be issued, the well must be
drilled to assure that setback requirements from the well to the septic system can be
maintained. Pitkin County Land Use Code requires that the well site be within the
building envelope.
Mr. Thomas has told me that the well has recently been drilled and that there is
adequate water, and he will provide this department with the well drillers report by
next week.
A condition of approval for this application is the receipt of information
documenting that the location of the well meets setback requirements and can
be placed within the building envelope and that quantity/quality of the well
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water are adequate. Without meeting these requirements a septic permit and
building permit can not be issued.
SEWAGE TREATMENT AND COLLECTION: Sections 2-18 and 3-1105: "It is the policy of the
County to. ensure that adequate sewage treatment facilities are available to serve existing and new developments. Public and
private sewage disposal systems and connections to such systems shall comply with the sewage disposal guidelines of Pitkin
County's Individual Sewage Disposal System Regulation."
Lots in the area are served by individual septic disposal systems(ISDS). Allsuch
systems installed within Pitkin County require septic permits issued by the
Environmental Health Department, and must comply with the County's septic
regulations. To receive a septic permit, the applicant will need to submit a septic permit
application and appropriate fee with a completed Soil Data Form including percolation
test results and profile hole information. It must be possible to design an adequate
septic system before a building permit can be issued.
Site specific soil data will have to be obtained. The applicant will need to adhere to
minimum horizontal setback requirements for placement of septic system components
which can be difficult on small lots. I met at the site with Mr. Thomas this summer and
confirmed that it is possible to fit the well and the ISDS on this lot.
For this 3 bedroom house with a square footage of over 2,000 sq. ft., the leach field site
will need to be a minimum of 100 feet from their well and from any neighboring wells.
The applicant is aware of this requirement and understands that meeting this setback
will require careful planning and accurate placement of all components.
The applicant has contacted the engineering firm of Jerome Gamba and Associates to do
soil tests. The perc test results indicated that an engineer designed system is required
and Gamba and Associates has said that they can design a system that will fit on the lot
and meet all setback requirements.
A condition of approval for this application is the receipt and approval of the
septic permit by the Environmental Health Department before a building
permit can be issued.
WATER QUALITY IMPACTS: Sections 2-14 and 3-705 and 3-710:
"It is the policy of the County to preserve and protect its present water resources. To this end it is the policy of the County that no
land use be initiated which would adversely affect the quantity, quality, or accessibility of the County's water resources; or which
would occur at the expense of established water -dependent agricultural activities; or which would result in increased salinization
of water resources, loss of minimum stream flows, further destruction of wildlife habitat, or major expenditures to reacquire or
redistribute major water resources. It is also the policy of the County to maintain a natural vegetative buffer along its surface
waters such that the surface and groundwaters of the area are not encroached upon by land uses or other human activities which
could cause deterioration of water quality or impair the natural treatment processes provided by meadows and wetlands."
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The Environmental Health Department will be addressing water quality impacts on
down stream water quality. This application is not expected to impact down stream
water quality if the minimum horizontal distances between components of the system
and physical features are in accordance with the Pitkin County Sewage Regulations.
The Environmental Health Department is charged with preserving and protecting the
quality of Pitkin County's water resources. Since a large percentage of the population is
dependent upon water from wells, elimination of groundwater pollution, and
protection of aquifers and their drainage areas are of utmost importance. Roofs and
asphalt areas can be nonpoint sources of water discharge which can contaminate water
supplies. This Department recommends that nonpoint sources of discharge be retained
on the property of origin which can be accomplished through landscaping, drainage
patterns, detention ponds, and dry wells for water runoff from buildings.
AIR QUALITY: Sections 2-13 and 3-602:
"Only that development is permitted which will not contribute significantly to degradation of air quality in Pitkin County.
Developments may not constitute an indirect or direct air pollution source under Federal, State or County regulations."
This project is not expected to contribute significantly to degradation of air quality in
Pitkin County.
FUGITIVE DUST
Activities such as road building and landscaping require a Fugitive Dust Plan. This plan
would need to include, but is not limited to, fencing, watering of haul roads and
disturbed areas, daily cleaning of adjacent paved roads to remove mud that has been
carried out, speed limits, or other measures necessary to prevent windblown dust from
crossing the property line or causing a nuisance.
A condition should be approval by the Aspen/Pitkin Environmental Health
Department of the fugitive dust control plan, containing enough measures to
ensure that dust does not become a nuisance or blow onto adjacent property.
FIREPLACE
The applicant must file a fireplace/woodstove permit with the Environmental Health
Department before the building permit will be issued..
The less densely populated parts of the county like this site may have two devices per
building: a maximum of one wood burning fireplace and a second device which can be
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either a gas log fireplace or a certified woodstove. In addition, unlimited numbers of
decorative gas appliances are allowed. Coal may not be burned in any device. No
wood burning device may be installed in barns or agricultural buildings.
A condition of approval for this application is the receipt and approval of the
fireplace/woodstove permit by the Environmental Health Department before
the building permit can be issued.
CONFORMANCE WITH OTHER ENVIRONMENTAL HEALTH LAWS: Section 2-7: °it
is the policy of the County to ensure that no use or development of land is permitted which is in violation of the laws of the
County, the State of Colorado, or the United States of America."
This Department is not aware of any issues of concern regarding other environmental
health laws.
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ASPEN/PITIQN
COMMUNITY DEVELOPMENT DEPARTMENT
130 South Galena Street
Aspen, Colorado 81611
Phone (970) 920-5090 FAX (970) 920-5439
MEMORANDUM
TO: County Attorney
County Engineer
Zoning
Mike Villa - Wildlife Officer
Environmental Health
CO State Forest Service
CO Division of Wildlife
Floodplain Administrator
Frying Pan Caucus
FROM: Rick Magill, Community Development Department
RE: Thomas 1041 Hazard Review & Conceptual Submission
Parcel ID #2473-181-00-067
DATE: August 25, 1997
Attached for your review and comments is an application submitted by Alan Thomas.
Please return your comments to me no later than September 26, 1997.
Thank you.
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Rick McGill
Pitkin County Planning Office
1041 Hazard Review
Mr. McGill:
We are requesting approval to build a single family residence on a % mile
acre parcel east of Thomasville, off the Frying Pan Road. We are surrounded by
developed properties on all sides and are between the Frying Pan Road and the
Frying Pan River. This will be a 2000sq.ft. home with andlttached garage. There is
electricity to the lot and a well will be drilled within two weeks. Wildfire hazards
are not a concern as we are surrounded by either the road or river and within a %s
mile of the fire station. We do not believe that there would be a hazard to wildlife as
it is only ''/z acres and already has been developed around us. This is an extremely
flat lot that drops at rivers' edge with the high water mark several feet down the
bank. With houses on both sides within 150 and 300 ft. We believe there is not a
geologic or flood plan hazard. This will be a three-bedroom log home for a family
of four. We have been working toward this goal for several years and now are at
the point of realizing our goal. We believe there will be no significant impact on the
land. We look forward to working with you.
Thank you.
Sincerely,
The Thomas Family
Alan, Rachel, Amber, and Sidney
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LEGAL DESCRIPTION
A tract of land between State Highway No. 104 and the Frying Pan River in SEI/2 of NE'/4
of Section 18, Township 8 South, Range 83 West, of the 6th Principal I'leridian described
as follows:
Beginning at about the center of Southern boundary of Martin W. and Blanche M. Lentz
tract of land, as described in deed recorded in office of the Clerk and Recorder of Pitkin
County, Colorado, July, 1948, said point being a large granite boulder with diamond
drilled into top of rock; thence in a southerly direction 147 feet, to a granite boulder with
"M" drilled into north side of rock; thence in an easterly direction toward Frying Pan River,
34 feet to another granite boulder with "M' drilled into north side of rock; thence on
toward Frying Pan River 35 feet to a smaller granite boulder on top of river bank, also
marked with "M' on north side of rock.
A straight line over the said three boulders between highway and river is the Southern
boundary of said tract of land. The Southern boundary line of the said Lentz tract being
the Northern boundary of the tract conveyed said tract containing at)out one half acre
and including all land and improvements between highway on western side and Frying
Pan River on Eastern side of said tract of land.
COUNTY OF PITKIN
STATE OF COLORADO
I hereby eert.ry that on
n, land described -hereon
or knowr. to me art shovyn
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August '6, 1996 a survey was performed by me on the parcel
All easements, encroacnments and rights-of-way in evidence
This survey is true and correct to the best of my knowledge
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LINES IN SPACE
SYDNEY LINCICOME (L.S.I4HI)
Bnx 121 CARBONPALE COLORADO 81623 303-963-385"
DATE: 21 Aura 4Gq(� I ScAL.F: 1 t0,
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PROVIDE POSITIVE SURFACE
DRAINGAE AWAY FROM FIELD
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17.20'
102.11' /
36.75'
W.C.(LS 14111)
47.00'
157.18' j'
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GRAPHIC SCALE IN FEET
1 INCH = 10 FEET
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INDIVIDUAL SEPTIC SYSTEM DESIGN
Current proposed residence is a 3 bedroom house over 2000 s.f.
Assume 2 people per bedroom and an average daily sewage flow of 100.0 gallons
per person, per day, according to the Colorado State Department of Health.
Therefore:
3 BEDROOMS X 2 people per bedroom = 6 people 3 X Z y
6 people X 100 Gpd/Wson = 600 Gallons per day (Average Daily Flow) Ib Sd
MAXIMUM DAILY FLOW = 175% of the AVERAGE DAILY FLOW
Therefore; Maximum Daily Flow = 1.75 X Average Daily Flow = 1050 gpd
MINIMUM SEPTIC TANK SZE = ;1500 Gallons
Percolation tests were perfomed by Jerome Gamba & Associates, Inc., using a Fine Washed Tailings acquired
from Western Slope Agg•egate. Results for the percolation tests was found to be 26 min/in.
The Absorption Area for a normal Gravel—Type leach field is calculated
using the following formula:
A =�
5
A = Absorption Asea
0 = Maximum Ddly Flow = 1050
t = Percolation Rcte = 26 min/in.
Therefore, The required '_each Field area = 1070.79 s.f. /
According to the PITKIN COUNTY Department of Environmental %/
Health, when the ""Infiltator"" leaching chamber is installed in a trench configuration, 66, 41v „)
a reduction of 30% in be size of the Absorption area is allowed.
Therefore:
(0.70) X 1070.79 = 749.55 Sq. Ft. of Infiltrators
The area as per Pitkin County, allowed per Infiltrator = 15.5 sq. Ft.
Therefore:
The minimum number of Infiltrators required is = 48.3 units _
USE: 49 units
THE INFILTRATOR BED SHALL BE 5 INFILTRATOR UNITS WIDE BY 10 INFILTRATOR UNITS LONG and ONE
ROW 9 UNITS LONG. THE BED SHALL HAVE A MINIMUM OF 24" OF COVER OVER THE ENTIRE INFILTRATOR LEACHING
AREA.
MINIMUM HORIZONTAL DISTANCES BETWEEN -SEPTIC SYSTEM COMPONENT
ABSORPTION
TRENCH
TO ANY DITCHES OR
WATER
COURSES:
50
ft.
ABSORPTION
TRENCH
TO POTABEL WATER
WATER
SUPPLY OF SUPPLY LINE:
25
ft.
ABSORPTOIN
TRENCH
TO PROPERTY LINES:
10
ft.
ABSORPTION
ABSORPTON
TRENCH
TRENCH
TO SEPTIC TANK:
TO SPRING OR WELL:
6
100
ft.
ft
SEPTIC TANK
TO RESIDENCE:
5
ft.
ALL COMPONENTS
FO
THE SEPTIC SYSTEM
SHALL
BE INSTALLED ACCORDING
TO PITKIN
COUNTY
AND COLORADO
DEPARTMENT OF HEALTH
CODES,
AND ACCORDING TO MANUFACTURERS
SPECIFICARTIONS.
4" DISTRIBUTION MANIFOLD
CD
4" PVC FEEDER PIPE.
2"
BACK FILL WITH EXCAVATED MATERIAL
(SEE INFILTRATOR INSTALLATION INSTRUCTIONS)
INFILTRATOR LEACHING CHAMBERS OR EQUAL. —
LEACH BEDS SHALL BE 2 BEDS 10 UNITS LONG
BY 3 UNITS WIDE (SEE SHT. 1).
4" PVC RISER W/ PLASTIC VALVE BOX COVER. TO BE PLACED ® APPROX. CENTER OF TRENCH
NOTCH BOTTOM OF PIPE.
CAP END OF
FEEDER PIPE
2"
-_
r.
q FINE WASHED TAILINGS
2.00 _ .. - _ - - (SEE DESIGN NOTES)
., - .....
.. ENTIRE LEACH ,FIELD TO SE�LEVEL WITHIN FEET .
CROSS SECTION OF LFACTH FIR D RFD
SCALE: 1 INCH - 2 FEET
4" PVC RISER W/ PLASTIC VALVE BOX COVER
NOTCH BOTTOM OF PIPE
4" DISTRIEIUT10N PIPES SHALL BE CONSTRUCTED EXACTLY LEVEL
TO DISTRIBUTE FLOW EQUALLY TO FEEDER PIPES.
� NATURAL GROUND
�;q,7
�� ��.�,, 4" BEND 1--I -- Z-"----� ,
4- BEND (TYP.)
4-
2" min
4" BEND (TYP,9 / t=f 4' TEES .I I I I i 4" BEND (TYP.) I / )�, �' �• \�
SAND FILTER MEDIA
(FINE WASHED TAILINGS)
CROSS SECTION OF 1250 GAL. SEPTIC TANK
SCALE: 1 INCH = 2 FEET