HomeMy WebLinkAbout275 Millburn Ct - 239122307003 - 1718-97ISINDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT
EAGLE COUNTY ENVIRONMENTAL HEALTH DIVISION
P.O. Box 179 - 500 Broadway • Eagle, CO 81631
Telephone: (970) 328-8755
COPY OF PERMIT MUST BE POSTED AT INSTALLATION SITE. PERMIT NO. 1718-97 BP# 11338
OWNER: SCOTT GRIM & STACEY MANDEL PHONE:
MAILING ADDRESS:
APPLICANT: PAUL R. OWENS PHONE: (970) 945-0806
SYSTEMLOCATION: _275. Milburn Ct. ,, Carbondale TAXPARCELNO. 2391-223-07-003
LICENSED INSTALLER: DAVID RIPPY CONSTRUCTION. INC., DAVID RIPPY LICENSE NO. 58-97
DESIGN ENGINEER: JEROME GAMBA & ASSOCIATES. ROBERT PENNINGTON PHONE NO. _ (970) 945-2550
INSTALLATION HEREBY GRANTED FOR THE FOLLOWING:
1250 GALLON SEPTIC TANK 1115.42SQUARE FEET OFTRENCH ABSORPTION AREA VIA 36 BIO DIFFUSERS AS PER ENGINEER'S DESIGN
SPECIAL REQUIREMENTS: INSTALL IN SERIAL DISTRIBUTION AS PER DESIGN REVISION DATED 8-27-97. ENGINEER IS RESPONSIBLE FOR
FINAL INSPECTION AND APPROVAL OF INSTALLATION. BUILDING CO WILL NOT BE ISSUED WITHOUT THIS APPROVAL
ENVIRONMENTAL HEALTH APPROVAL: /1zf DATE: SEPTEMBER 9. 1997
CONDITIONS:
1. ALL INSTALLATIONS MUST COMPLY WITH ALL REQUIREMENTS OF THE EAGLE COUNTY INDIVIDUAL SEWAGE DISPOSAL SYSTEM REGULATIONS,
ADOPTED PURSUANT TO AUTHORITY GRANTED IN 25-10-104, 1973, AS AMENDED.
2. THIS PERMIT IS VALID ONLY FOR CONNECTION TO STRUCTURES WHICH HAVE FULLY COMPLIED WITH COUNTY ZONING AND BUILDING
REQUIREMENTS, CONNECTION TO OR USE WITH ANY DWELLING OR STRUCTURE NOT APPROVED BY THE ZONING AND BUILDING DEPARTMENTS
SHALL AUTOMATICALLY BE A VIOLATION OF A REQUIREMENT OF THE PERMIT BOTH LEGAL ACTION AND REVOCATION OF THE PERMIT.
3. CHAPTER IV, SECTION 4.03.29 REQUIRES ANY PERSON WHO CONSTRUCTS, ALTERS OR INSTALLS AN INDIVIDUAL SEWAGE DISPOSAL SYSTEM TO
BE LICENSED.
FINAL APPROVAL OF SYSTEM (TO BE COMPLETED BY INSPECTOR):
NO SYSTEM SHALL BE DEEMED TO BE IN COMPLIANCE WITH THE EAGLE COUNTY INDIVIDUAL SEWAGE DISPOSAL SYSTEM REGULATIONS UNTIL
THE SYSTEM IS APPROVED PRIOR TO COVERING ANY PORTION OF THE SYSTEM.
INSTALLED ABSORPTION OR DISPERSAL AREA: 1116 SQUARE FEET (VIA 36 B io Diffuser units )
INSTALLED septic TANK: 1250 GALLONS IS LOCATED DEGREES AND 14 ' 11" FEET FROM
the south side of building foundation
COMMENTS: Engineer Certification received 9-10-97.
ANY ITEM NOT MEETING REQUIREMENTS WILL BE CORRECTED BEFORE FINAL APPROVAL OF SYSTEM IS MADE. ARRANGE A RE -INSPECTION WHEN
WORK IS COMPLETED.
ENVIRONMENTAL HEALTH APPROVAL ✓� d �L r Y DATE: S en t emb e r 11, 1997
,.(Site Plan MUST be attached)
CY
ISDS Permit # ( ( U ` /
APPLICATION FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT
ENVIRONMENTAL HEALTH OFFICE - EAGLE COUNTY
P. 0. BOX 179
EAGLE, CO 81631
328-8755/927-3823 (El Jebel)
**************************************************************************
* PERMIT APPLICATION FEE $150.00 PERCOLATION TEST FEE $200.00
* *
* MAKE ALL REMITTANCE PAYABLE TO: "EAGLE COUNTY TREASURER"
PROPERTY OWNER: 5ef7T6.c/ai d- lj/?iffy. /v/j�vv�n PHONE
MAILING ADDRESS:
APPLICANT/CONTACT
MAILING ADDRESS:
LICENSED ISDS CONTRACTOR: 'y PHONE: (170)
COMPANY / DBA : /1v C /rUC ADDRESS:
***************************************************************************
PERMIT APPLICATION IS FOR: ( New Installation ( ) Alteration ( ) Repair
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LOCATION OF PROPOSED INDIVIDUAL SEWAGE DISPOSAL SYSTEM:
Building Permit # 3 (if known)
Legal Description: Subdivision:JXM_A7 Wn-,' Filing:,3Block: Lot No.
Tax Parcel Number: I I I L-2-2- 1-6 �z- Q L _�_ Lot Size:.,9, 3&xC
Street Address: ;2 7-5- Cg,"gr
BUILDING TYPE: (Check applicable category)
�C) Residential/Single Family Number of Bedrooms _
( ) Residential/Multi-Family* Number of Bedrooms
( ) Commercial/Industrial* Type
TYPE OF WATER SUPPLY: (Check applicable category)
( ) Well ( ) Spring ( ) Surface
( ) Public Name of Supplier: y��3�/Ul�yy 1i //-W,
*These systemsuir�j cje�sig�} by a Registered Professional
Engineer
SIGNATURE: //�/ /=l/ Date:
**************************************************************************
TO BE COMPLETED BY THE COUNTY
AMOUNT PAID:RECEIPT
CHECK #:
#; /06-&,�'U DATE: �-
(-f %II CASHIER:
Community Development Department
(970) 328-8730
Fax: (970) 328-7185
TDD: (970) 328-8797
EAGLE COUNTY, COLORADO
September 11, 1997
Paul Owens
Pro Construction
For Stacey Mandel & Scott Grim
P.O. Box 264
Glenwood Springs, CO 81602
RE: Final of ISDS Permit No. 1718-97, Tax Parcel #2391-223-07-003.
Property location: 275 Milburn Ct., Carbondale, CO.
Dear Mr. Owens:
Eagle County Building
P.O. Box 179
500 Broadway
Eagle, Colorado 81631-0179
This letter is to inform you that the above referenced ISDS Permit has been inspected and
finalized. Enclosed is a copy to retain for your records. Please send a copy to the owners, as this
office does not have a mailing address for them. This permit does not indicate compliance with
any other Eagle County requirements. Also enclosed is a brochure regarding the care of your
septic system.
Be aware that later changes to your building may require appropriate alterations of your septic
system.
If you have any questions regarding this permit, please contact the Eagle County Environmental
Health Division at (970) 328-8755.
Sincerely,
Janet Kohl
Environmental Health Department
Eagle County Community Development
ENCL:Informational Brochure
Final ISDS Permit
cc: files
Community Development Department
(970) 328-8730
Fax: (970) 328-7185
TDD: (970) 328-8797
EAGLE COUNTY, COLORADO
Date: September 4, 199.7
TO: David Rippy Construction, Inc.
Eagle County Building
P.O. Box 179
500 Broadway
Eagle. Colorado 81631-0179
FROM: Environmental Health Division
RE: Issuance of Individual Sewage Disposal System Permit No. 1718-97. Tax
Parcel # 2391-223-07-003. Property Location: 275 Milburn Court,
Carbondale, CO., Grim & Mandel residence.
Enclosed is your ISDS Permit No. 1718-97. It is valid for 120 days. The enclosed copy of the
permit must be posted at the installation site. Any changes in plans or specifications
invalidates the permit unless otherwise approved.
Systems designed by a Registered Professional Engineer must be certified by the Engineer
indicating that the system was installed as specified. Eagle County does not perform final
inspections on engineer designed systems. Your TCO will not be issued until our office
receives this certification.
Permit specifications are minimum requirements only, and should be brought to the property
owner's attention.
This permit does not indicate conformance with other Eagle County requirements.
If you have any questions, please feel free to contact the Environmental Health Division at 328-
8755.
cc: files
Jerome Gamba & Associates, Inc., Robert Pennington
HEPWORTH-PAWLAK GEOTECHNICAL, INC. 5020 Road 154
Glenwood Springs, CO 81601
Fax 970 945-8454
July 10, 1997 Phone 970 945-7988
Pro Construction
Attn: Paul Owens
P.O. Box 264
Glenwood Springs, Colorado 81602 Job No. 197 429
Subject: Observation of Profile Pit and Percolation Testing, Proposed Mendel
and Grim Residence, Lot 17, Filing 3, Aspen Mountain View Estates,
275 Milburn Court, Eagle County, Colorado
Dear Mr. Owens:
As requested, Hepworth-Pawlak Geotechnical, Inc. observed a profile pit and
performed percolation testing for septic disposal design at the subject site. The study
was conducted in accordance with our agreement for geotechnical engineering services
to you dated July 7, 1997. The data obtained is presented in this report.
The subsurface conditions in the septic disposal area were observed in a profile pit and
three percolation holes excavated prior to our site visit at the approximate locations
shown on Fig. 1. The subsoils observed below about 2 feet of topsoil consist of highly
calcareous sandy silt and basalt gravel, cobbles and boulders to the pit depth of 8 feet.
No free water was observed in the profile pit and the soils were
Percolation tests were conducted in the three percolation test holes (nominal 12 inch
diameter by 12 inch deep) that were hand dug at the bottom of shallow backhoe pits and
soaked with water by the client the day before our visit. The percolation test results are
presented in Table I. Based on the subsurface conditions encountered and the
percolation test results, the tested area should be suitable for a conventional infiltration
septic disposal system. We recommend the infiltration area be oversized due to the
variable subsurface conditions.
If you have any questions or if we may be of further assistance, please let us know.
Sincerely,
HEPWORTH - PAWLAK GEOTECHNICAL, INC.
David A. Yung ,AEN� oo�, e�
Rev. by:
DAY/kmk
attachmen
►:l
APPROXIMATE SCALE
1"=50'
LOT 18
130
120
110
100
� I
BUILDING I
r AP 1 // / LINES
Sj I
(/ P 20
I / PROFILE PIT
/ I P 3 0 �� I
/ PROPOSED
/ RESIDENCE
100
I � �
/ LOT 17 / I
1
1 11
/ 120 J
110 �
130 140
TRACT D
140
/
1 197 429 I GEOTECHNICAL, ZINC. I PERC LATION TEST I HOLES AND I Fig 1 I
A#
HEPWORTH-PAWLAK GEOTECHNICAL, INC.
TABLE I
PERCOLATION TEST RESULTS JOB NO. 197 429
HOLE NO.
HOLE DEPTH
(INCHES)
LENGTH OF
INTERVAL
(MIN)
WATER
DEPTH AT
START OF
INTERVAL
(INCHES)
WATER DEPTH
AT END OF
INTERVAL
(INCHES)
DROP IN
WATER
LEVEL
(INCHES)
AVERAGE
PERCOLATION
RATE
(MIN./INCH)
P-1
42
15
refilled
6 3/4
5 1 /2
1 1 /4
15
5 1/2
4 1/2
1
7 3/4
6 3/4
1
6 3/4
6
3/4
6
5
1
5
4
1
P-2
43
15
refilled
7 1 /2
6
1 1/2
15
6
5
1
8 1 /4
7 1 /4
1
7 1 /4
6 1 /2
3/4
6 1/2
5 1/2
1
P-3
41 1/2
15
refilled
refilled
7 1 /2
5
2 1 /2
10
7 1 /2
5 1/2
2
5 1/2
4
1 1/2
7 3/4
6 1 /2
1 1 /4
. 6 1 /2
5
1 1/2
5
3 1/2
1 1/2
Note: Percolation holes were hand dug in the bottom of backhoe pits and soaked on July 7, 1997 by client. Percolation tests
were conducted on July 8, 1997 by Hepworth-Pawlak Geotechnical personnel.
JEROME GAMBA & ASSOCIATES, INC.
CONSULTING ENGINEERS & LAND SURVEYORS
113 9TH STREET, SUITE 214
P.O. BOX 1458
GLENWOOD SPRINGS, COLORADO 81602-1458
PHONE: (970) 945-2550 FAX: (970) 945-1410
PRO CONSTRUCTION
Paul R. Owens
P.O. Box 264
Glenwood Springs, Colorado 81602
Re: ISDS Calculations
Dear Paul:
Thank you for the opportunity to work with you on the design of this ISDS for the residence at Missouri
Heights.
Please find attached the calculations and our O & M Manual for ISDS systems.
It should be noted that to install a Septic systems in Eagle County, the installer must be licensed in Eagle
County for such construction.
If you have any further questions, please feel free to contact us.
Sincerely; „ Iao REGi�.
ot-
Robert W. Pennington, P.E. No. 2932 O
y,7,�17
�`�fOL
CALCULATION FOR LEACH FIELD SIZE
CURRENT PROPOSED DESIGN IS A FOUR BEDROOM PRIVATE RESIDENCE.
ACCORDING TO EAGLE COUNTY ENVIRONMENTAL HEALTH DEPARTMENT TO
CALCULATE SEWAGE FLOW ASSUME TWO PERSONS PER BEDROOM. AVERAGE DAILY
SEWAGE FLOW IS CALCULATED USING 75 GALLONS PER PERSON PER DAY.
(4 BEDROOMS) x (2 PERSONS PER BEDROOM)
= 8 PEOPLE
AVERAGE DAILY SEWAGE FLOW = (8 PEOPLE) x (75 GPD/PERSON) = 600 GPD
MANGMUM DAILY SEWAGE FLOW = (1.5) x AVERAGE DAILY FLOW =
(1.5) x (600 GPD) 900 GPD
MINIMUM SEPTIC TANK SIZE FOR A FOUR BEDROOM RESIDENCE = 1250 gallons
Hepworth-Pawlak Geotechincal, Inc. Performed Percolation Tests, see attached report. For our
calculations we will use a percolation rate of 15 min/in.
THE ABSORPTION AREA (A) FOR A NORMAL GRAVEL TYPE LEACH FIELD IS
CALCULATED USING THE FORMULA. A FACTOR OF 1.6 IS USED IN THIS
CALCULATION FOR A RESIDENCE USING AN AUTOMATIC WASHER AND FOOD
GRINDER:
A = (1.6) x Q x (SQUARE ROOT OF t)
5
Where:
Q = MAXIMUM DAILY SEWAGE FLOW = 900 gallons per day
t = PERCOLATION RATE = 15 min/in.
THEREFORE:
A = (1.6) x (900) x (SOUAREROOT OF 15) = 1,115.42 sq. ft.
5
ACCORDING TO THE COLORADO STATE DEPARTMENT OF HEALTH, FOR THE DESIGN OF A
LEACH FIELD USING THE "Bio Diffuser" disposal system in a trench configuration, a reduction of up to
50% in the size of the absorption area is allowed.
THEREFORE, because of the "variable sub -surface conditions" we will use a 40% reduction in the
absorption area:
(0.60) x (1,115.42 sq. ft.) = 669.25 sq. ft.
The bottom area of a `Bio Diffuser" unit is 18 sq. ft.
THEREFORE:
The number of `Bio Diffuser" units required is = (669.25 18) = 38 units
Minimum Horizontal Distances shall conform to Eagle County Land Use Regulations, Chapter IV,
Individual Sewage Disposal Systems (ISDS).
All components of the septic system shall be installed according to the Eagle County Land Use
Regulations, Colorado Department of Health and according to manufacturer specifications.
See attached O & M Manual provided by Jerome Gamba & Associates, Inc.
JEROME GAMBA & ASSOCIATES, INC.
CONSULTING ENGINEERS & LAND SURVEYORS
113 9TH STREET, SUITE 214
P.O. BOX 1458
GLENWOOD SPRINGS, COLORADO 81602-1458
PHONE: (970) 945-2550 FAX: (970) 945-1410
August 20, 1997
Eagle County Environmental Health
550 Broadway
Eagle, CO 81631
Attn: Ms. Heather Savalox
Re: Grim I.S.D.S., Pro Construction
Dear Heather:
I've been thinking about our telephone conversation last Monday, in which you would prefer
that the leachfield be reconfigured for serial connections of the individual lines. Essentially,
this creates a leachfield that is 228 feet long. Most governing agencies that I have worked
with (Colorado, Nevada and California) restrict individual leach lines to less than 100 feet.
Additional concerns are as follows:
Actual dosing of the leachfield occurs as toilets are flushed, sinks drained, etc. and
wastewater enters and exits the septic tank. This creates a minimum amount of flow entering
the disposal system over a long period of time. The perforated pipes used for leachfields
have relatively large holes that allow most of this flow to discharge into the initial one or two
feet of pipe. It has been my experience that if the leachfield is serially connected, the
beginning portion of the field is soaked until the soil refuses additional absorption. This
creates a "dead" zone that is constantly wetted, causing the effluent to progress down the
line until absorption can occur. As this progression continues, the lower leachlines act as
"French drains" due to the migration of the wetting front and loose their ability to effectively
dispose of the effluent.
I've tried to locate a "self -leveling" distribution box and have not been successful. However, I
did find an adjustable device that fits on the end of the pipes in a distribution box. This device
allows adjustment of the flows (see attached Dial -A -Flow literature) if the distribution box
settles.
Using a distribution box allows even flows to enter each leach line avoiding the above
problems of the "dead" zone, by distributing the low flows to several lines. The eventual
progression of saturation proceeds in a parallel manner and doesn't interfere with adjacent
lines.
Page 1 of 2
G:\97617\memo1.doc
Pro Construction ISDS
August 20, 1997
For the above reasons, it is our opinion that utilization of a distribution box will disburse the
septic tank effluent more efficiently and will cause fewer failures than serially connected
leachlines. Also, close supervision of the construction of the septic system and proper
system utilization and maintenance will avoid many of the problems that typically occur.
Attached is a revised plan and cut sheets. If you have any further questions or comments
please call.
Sincerely,
JEROME GAMBA & ASSOCIATES, INC.
Robert W. Penningto , P. E. 2 23
cc: Pro Construction
Page 2 of 2 JEROME GAMBA & ASSOCIATES, INC.
CONSULTING ENGINEERS & LAND SURVEYORS
JEROME GAMBA & ASSOCIATES, INC.
CONSULTING ENGINEERS & LAND SURVEYORS
113 9TH STREET, SUITE 214
P.O. BOX 1458
GLENWOOD SPRINGS, COLORADO 81602-1458
PHONE: (970) 945-2550 FAX: (970) 945-1410
Eagle County, Environmental Health Division
P.O. Box 179
500 Broadway
Eagle, Colorado 81631-0179
Attn: Heather Savalox
Re: ISDS Permit No. 1718-97
Grim -Mandel Residence
275 Milburn Court
Dear Heather;
On September 9, 1997, Jerome Gamba & Associates, Inc. was contacted to perform a system inspection of
the installation of the ISDS at the above noted address. The system is installed as per plans with revision
date of 08/27/97 as per Eagle County design.
At the time of the inspection all of the components of the system where in place. We took several
measurements of the system as -built and are as follows:
distance from Outside edge of foundation to Septic Tank: 14'-11"
distance from Septic Tank to Closest Leach Trench: 18'-5"
distance between Leach Trenches: 10' +-
The 1250 gallon Septic Tank was in -place at the general location as shown on the plans.
The Trenches are constructed in the general area as shown on the plans. The trenches consisted of three
trenches with 12 "Bio-diffuser" units per trench. The total area of the leaching surface, as per Eagle County
specifications is 36 units x 15.5 s.f./unit = 558 s.f.
It is also my understanding that several photographs were to be taken by the owner of the system prior to
backfill.
Sincerely;
Jerome Gam'ba & Associates, Inc.
L-�G� J&eez'�
Chris Strouse, Design Engineer
Page 1 of 1
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