HomeMy WebLinkAbout735 Green Meadow Dr - 239121402001INDIVIDUAL 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. 2123-01 BP NO. 13 803
OWNER: JOHN AND TAMRA DEWIND PHONE: 970-927-9189
MAILING ADDRESS: 425 COTTONWOOD DRIVE, BASALT, CO 81621
APPLICANT: SAME PHONE:
SYSTEM LOCATION: 753 GREEN MEADOW DRIVE, CARBONDALE, CO TAX PARCEL NO. 2391-214-02-001
LICENSED INSTALLER: ZAMORA EXCAVATING, JOE ZAMORA LICENSE NO. 18-01 PHONE: 970-963-1399
DESIGN ENGINEER: HIGH COUNTRY ENGINEERING, ROGER NEAL PHONE NO. 970-945-8676
INSTALLATION HEREBY GRANTED FOR THE FOLLOWING: MINIMUM REQUIREMENTS FOR A 5 BEDROOM RESIDENCE
1500 GALLON SEPTIC TANK, 2821 SQUARE FEET OF ABSORPTION AREA CREDIT, VIA 91 INFILTRATOR UNITS, AS PER ENGINEER'S DESIGN.
SPECIAL REQUIREMENTS: INSTALL AS PER ENGINEER'S DESIGN DATED 8/17/01. DOUBLE ENCASE THE EFFLUENT LINE UNDER THE DRIVEWAY
TO PREVENT DAMAGE, AND INSTALL A CLEANOUT AT THE BEND, AND EVERY 100 FEET OF SEWER LINE, AS ILLUSTRATED IN THE ENGINEER'S
DESIGN. MAINTAIN ALL APPLICABLE SET BACK REQUIREMENTS, AND DO NOT INSTALL IN WET WEATHER. RAKE ALL TRENCH SURFACES TO
PREVENT THE SMEARING OF SOILS, AND DO NOT BACK FILL WITH ANY COBBLES LARGER THAN 8 INCHES IN DIAMETER. CALL EAGLE COUNTY
ENVIRONMENTAL HEALTH AND THE DESIGN ENGINEER FOR FINAL INSPECTION PRIOR TO BACK FILLING ANY PART OF THE INSTALL-
ATION, OR WITH ANY QUESTIONS REGARDING THE INSTALLATION. ANY CHANGES IN THE INSTALLATION MUST FIRST BE APPROVED BY
THIS DEPARTMENT. THE BUILDING CERTIFICATE OF OCCUPANCY WILL NOT BE ISSUED UNTIL THE SEPTIC SYSTEM HAS BEEN INSPECTED
AND APPROVED.
ENVIRONMENTAL HEALTH APPROVA DATE: AUGUST 23, 2001
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, AND WILL RESULT IN 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: 2821 SQUAREFEET(VIA 91 INFILTRATOR UNITS, AS PER DF.STC1N )
INSTALLED SEPTIC TANK: 1500 GALLONS IS LOCATED DEGREES AND FEET INCHES
FROM SEE DESIGN FOR COMPONENT LOCATIONS
COMMENTS: ENGINEER'S FINAL CERTIFICATION RECEIVED ON NOVEMBER 5, 2001 THE SYSTEM WAS BACK
FILLED BEFORE ENVIRONMENTAL HEALTH STAFF COULD INSPECT IT. THIS SYSTEM IS LARGE ENOUGH FOR
A 5 BEDROOM RESIDENCE.
ANY ITEM NOT MEETING REQUIREMENTS WILL BE CORRECT D BE RE FINAL APPROVAL OF SYSTEM IS MADE. ARRANGE A RE -INSPECTION WHEN WORK IS
COMPLETED. B
ENVIRONMENTAL HEALTH APPROVAL vV DATE: MAY 6, 2002
-omplete Applications Will NOT Be Accepted
ate Plan MUST be attached)
ISDS Permit # �l
Building Permit # 00v 5
APPLICATION FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT
ENVIRONMENTAL HEALTH OFFICE - EAGLE COUNTY
P. 0. BOX 179
EAGLE, CO 81631
Eagle (970)328-8755, Fax (970)328-0349, El Jebel (970)927-3823
**************************************************************************
* FEE SCHEDULE'
* PERMIT APPLICATION FEE $150.00
* PERCOLATION TEST/SOIL PROFILE AND SITE EVALUATION FEE $200.00
* SITE VISIT/CONSULTATION FEE $85.00
* REINSPECTION FEE $47.00
* MAKE ALL REMITTANCE PAYABLE TO: "EAGLE COUNTY TREASURER"
**************************************************************************
PROPERTY OWNER: :In 4A/ and lamer eA- L) �yi + �
MAILING ADDRESS :�6 fi1)06/r��'�= ; fr1'%�()aPHONE : %"`
APPLICANT/CONTACT PERSON:162,6PHONE: -
_ f3 C�
LICENSED SYSTEMS CONTRACTOR: 6- YY) 1� e PHONE:
3 /
COMPANY/DBA:. 2{/ 04A. EAR , �{96-ADDRESS: PO � -�
PERMIT APPLICATION IS FOR: NEW INSTALLATION ( ) ALTERATION ( ) REPAIR
LOCATION OF PROPOSED INDIVIDUAL SEWAGE DISPOSAL SYSTEM:
Legal Description:
Tax Parcel Number:
Physical Address:
BUILDING
TYPE: (Check applicable
Residential/Single Family
Residential/Multi-Family*
Commercial/Industrial*
Number
Number
Type _
.-?q1,j1440 100'%
�l
drooms
drec
*These systems require design by a Registered Professional Engineer
TYPE OF WATER SUPPLY: (Check applicable category)
Well ( ) Spring ( ) Surface -
Public Name of Supplier: { PP
APPLICANT SIGNATURE:..." '. � � / 1 a aim Date:
AMOUNT PAID: ' RECEIPT #: [�J� 7 DATE: e7 6 l
CHECK #: CASHIER:
Community Development Department
(970)328-8730
FAX (970) 328-7185
TDD (970) 328-8797
Email: eccmdeva@vail.net
http: //www.eagle-county.com
EAGLE COUNTY, COLORADO
Date: August 23, 2001
Eagle County Building
P.O. Box 179
500 Broadway
Eagle, Colorado 81631-0179
TO: Zamora Excavating
FROM: Environmental Health Division
RE: Issuance of Individual Sewage Disposal System Permit No.2123-01. Tax Parcel
# 2391-214-02-001. Property Location: 753 Green Meadow Drvie, Carbondale,
CO., Dewind residence.
Enclosed is your ISDS Permit No. 2123-01 and a field copy of the engineer design stipulated on
the permit. It is valid for 120 days, or for the duration of your current building permit for this
property. 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. Please note any
special requirements that may have been added to the design by this department.
Systems designed by a Registered Professional Engineer must be certified by the Engineer
indicating that the system was installed as specified. Eagle County Environmental Health
must also view the installation prior to back filling. Please call well in advance for your
final inspection. Your TCO will not be issued until our office receives this certification
from the engineer, and views the installation.
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. Please
notify this office if you have not been contracted to perform this installation.
If you have any questions, please feel free to contact the Environmental Health Division at 328-
8755.
cc: files
High Country Engineering, Roger Neal
DEPARTMENT OF
ENVIRONMENTAL HEALTH
(970)328-8755
FAX (970) 328-8788
TDD: (970) 328-8797
TOLL FREE: 800-225-8136
www.eagle-county.com
EAGLE COUNTY, COLORADO
May 6, 2002
John and Tamra Dewind
425 Cottonwood Drive
Basalt, CO 81621
Raymond P. Merry, REHS
Director
RE: Final of ISDS Permit #2123-01, Tax Parcel #2391-214-02-001. Property
location: 753 Green Meadow Drive, Carbondale, CO.
Dear Mr. & Mrs. Dewind:
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. 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
Eagle County Environmental Health Department
ENCL: Informational Brochure
Final ISDS Permit
cc: files
OLD COURTHOUSE BUILDING, 551 Broadway, P.O. Box 179, Eagle, Colorado 81631-0179
November 5, 2001
Eagle County Environmental Health Department
Attn: Bill Carlson
P. O. Box 179
Eagle, CO 81631
Re:. Lot 2-Sopris Mesa Subdivision; Eagle CpU11ty, Colorado.,
HCE File Number 2011051.59
Dear Bill:
On November 5, 2001, High Country Engineering personnel observed the construction of the
ISDS for 0735 Green Meadow Drive, within Eagle County, Colorado. One 1500-gallon
septic tank, and 91 standard Infiltrator units had been installed in 6 tenches, and only minimal
backfilling had taken place. The trenches were. six feet apart instead of ten feet as shown on
the design, which was apparently approved by Eagle County before installation. Inspection
wells had been installed as shown on the design drawing and the installation of the system was
in general conformance with the intent of the design. If you have any questions, or need
additional information, please contact us.
Sincerely,
HIGH CO TRY EN G G, INC.
y �.:'
{ ^S
Roger D. Neal,29
s
Principal Engine,
EPT/blf�
1517 Blake Avenue, Ste. 101 14 Inverness Drive East, Ste. D-136
Glenwood Springs, CO 81601 Englewood,, CO 80112
phone 970 945-8676 -fax 970 945-2555 phone 303 925-0544 -fax 303 925-0547
Grand Junction, CO 80501
phone 970 858-0933 -fax 970 858-0275
August 20, 2001
Bill Carlson
Eagle County Environmental Health Department
P. O. Box 179
Eagle, CO 81631
Re: Lot 2-Sopris Mesa Subdivision, Eagle County, Colorado
HCE File Number 2011051.59
Dear Bill:
RECEIVED
AUG 2 1 2001
AOLF. COUNTY
0QMMUNffY DEVELOPMENT
On August 16, 2001, High Country Engineering personnel made a site visit to Lot 2, Sopris Mesa
Subdivision to discuss with the owner the possibility of relocating the proposed septic system. The
drawing enclosed represents the result of the site visit. The house will now be five bedrooms
instead of the previous six and will be located out of the location of the cobbles and boulders that
were encountered in the first profile pit. No new percolation tests were completed as soils were
similar or even better in this area than before.
Please review the enclosed drawing, and give us a call if you have any questions or require
additional information.
Sincerely,
HIGH COUNTRY ENGINEERING, INC.
Eric P. Tuin, .I.
Design Engineer
EPT/blf
Enc.
923 Cooper Avenue 14.Inverness Drive Eas4 Ste B-144
Glenwood Springs, CO 81601 Englewood, CO 80112
phone 970 945-8676 • fax 970 945-2555 phone 303 925-0544 • fax 303 925-0547
William Carlson Vacation
Page 1
From:
Laura Fawcett
To:
Janet Kohl; William Carlson
Date:
8/10/01 5:11 PM
Subject:
Vacation
There are a few loose ends that could possibly need attention while I am gone.
1. ISDS # 2123-01 John Dewind permit -I observed a profile hole earlier this week and requested that High
County Eng. look at it also since they designed the system from an HP soil report. It was basalt rock in a
silty matrix. The perc was about 60 mpi and about half of the material removed from the profile pit was
rock. See file.
2. Sheraton Pool & Spa review. I haven't heard back from Bill Crank. The plans are on my desk.
3. The Old Champions has a new owner, Hugo, and he should be submitting a plan review. His liquor
hearing is Aug. 21 st.
4. Mt. Tots flooded and is not open. I inspected Thursday and they may want a follow-up inspection while
I'm gone.
5. 1 am teaching a food safety class on Monday Aug 20 so I would like to have that morning free to
prepare, being my first day back from vacation.
6. Could you guys please water my plants?
7. Cell number in emergency only 445-0136.
CC: Ray Merry
IS
June 14, 2001
John Dewind
c/o Dewind Development
P.O. Box 2840
Basalt, Colorado 81621
Hep«orth-Pawlak Geotechnical, Inc.
5020 County Road 154
Glenwood Springs, Colorado 81601
Phone:970-945-7988
Pax:970-945-8454
hpgeo@hpgeotech.com
Job No. 101 419
Subject: Subsoil Study.for Foundation Design and Percolation Test, Proposed
Residence, Lot 2, Sopris Mesa Subdivision, Eagle County, Colorado.
Dear Mr. Dewind:
As requested, Hepworth-Pawlak Geotechnical, Inc. performed a subsoil study and
percolation test for foundation and septic disposal designs at the subject site. The study
was conducted in accordance with our agreement for geotechnical engineering services
to you dated June 1, 2001. The data obtained and our recommendations based on the
proposed construction and subsurface conditions encountered are presented in this
report. Hepworth-Pawlak Geotechnical, Inc. previously conducted a preliminary
geotechnical study for the Sopris Mesa Subdivision and presented our findings in a
report dated October 23, 1997, Job No. 197 495.
Proposed Construction: The proposed residence will be a two story wood frame
structure over a crawlspace located as shown on Fig. 1. There will be a detached two
story wood frame garage with a slab -on -grade floor northeast of the residence. An
alternate building site is being considered to the north of the building envelope. Cut
depths are expected to range between about 4 to 6 feet. Foundation loadings for this
type of construction are assumed to be relatively light and typical of the proposed type
of construction. The septic disposal system is proposed to be located about 100 to 150
feet downhill to the east of the proposed construction.
If building conditions or foundation loadings are significantly different from those
described above, we should be notified to re-evaluate the recommendations presented in
this report.
Site Conditions: The site was vacant at the time of our field work. The building
envelope is located on the south side of a broad knoll with the ground surface sloping
strongly to moderately steep down to the south at grades up to about 15%. There is
about 18 to 20 feet of elevation difference across the building envelope. The area of the
percolation test was relatively flat.. An abandoned irrigation ditch is located on the
south side of the building envelope. Vegetation consists of sagebrush, serviceberry,
grass and weeds. Basalt cobbles and boulders are exposed on the ground surface.
Subsurface Conditions: The subsurface conditions at the site were evaluated by
observing three exploratory pits in the building area, two pits in a possible alternative
building site and one profile pit in the septic disposal area at the approximate locations
shown on Fig. 1. The logs of the pits are presented on Fig. 2. The subsoils
encountered, below about 1 foot of topsoil, consist of basalt cobbles and boulders in a
gravelly silt and sand matrix. Digging in the basalt cobbles and boulders was difficult
John Dewind
June 14, 2001
Page 2
and refusal to digging was encountered in all the pits. About 2 feet of topsoil was
encountered in the Profile Pit. Results of a gradation analysis performed on a sample of
the gravels (minus 6 inch fraction) obtained from the site are presented on Fig. 4. No
free water was observed in the pits at the time of excavation and the soils were slightly
moist to moist.
Foundation Recommendations: Considering the subsoil conditions encountered in the
exploratory pits and the nature of the proposed construction, we recommend spread
footings placed on the undisturbed natural basalt rock soils designed for an allowable
soil bearing pressure of 3,000 psf for support of the proposed residence: Footings
should be a minimum width of 16 inches for continuous walls and 2 feet for columns.
Loose and disturbed soils encountered at the foundation bearing level within the
excavation should be removed and the footing bearing level extended down to the
undisturbed natural basalt rock. Boulders in the subsoils will make excavation difficult.
Voids created by the removal of large rocks should be backfilled with compacted sand
and gravel, such as road base, or with concrete. Exterior footings should be provided
with adequate cover above their bearing elevations for frost protection. Placement of
footings at least 42 inches below the exterior grade is typically used in this area.
Continuous foundation walls should be reinforced top and bottom to span local
anomalies such as by assuming an unsupported length of at least 10 feet. Foundation
walls acting as retaining structures should be designed to resist a lateral earth pressure
based on an equivalent fluid unit weight of at least 45 pcf for the on -site gravelly soils,
excluding oversized rock, as backfill.
Floor Slabs: The natural on -site soils, exclusive of topsoil, are suitable to support
lightly loaded slab -on -grade construction. To reduce the effects of some differential
movement, floor slabs should be separated from all bearing walls and columns with
expansion joints which allow unrestrained vertical movement. Floor slab control joints
should be used to reduce damage due to shrinkage cracking. The requirements for joint
spacing and slab reinforcement should be established by the designer based on
experience and the intended slab use. A minimum 4 inch layer of free -draining gravel
should be placed beneath basement level slabs to facilitate drainage. This material
should consist of minus 2 inch aggregate with less than 50 % passing the No. 4 sieve
and less than 2 % passing the No. 200 sieve.
All fill materials for support of floor slabs should be compacted to at least 95 % of
maximum standard Proctor density at a moisture content near optimum. Required fill
can consist of the on -site gravelly soils devoid of vegetation, topsoil and oversized rock.
Underdrain System: Although free water was not encountered during our exploration,
it has been our experience in mountainous areas that local perched groundwater can
develop during times of heavy precipitation or seasonal runoff. Frozen ground during
spring runoff can create a perched condition. We recommend below -grade
i
H-P GEOTECH
John Dewind
June 14, 2001
Page 3
construction, such as retaining walls and crawlspace areas, be protected from wetting
and hydrostatic pressure buildup by an underdrain system.
The drains should consist of drainpipe placed in the bottom of the wall backfill
surrounded above the invert level with free -draining granular material. The drain
should be placed at each level of excavation and at least 1 foot below lowest adjacent
finish grade and sloped at a minimum 1 % to a suitable gravity outlet. Free -draining
granular material used in the underdrain system should contain less than 2 % passing the
No. 200 sieve, less than 50% passing the No. 4 sieve and have a maximum size of
2 inches. The drain gravel backfill should be at least 11/z feet deep.
Surface Drainage: The following drainage precautions should be observed during
construction and maintained at all times after the residence has been completed:
1) Inundation of the foundation excavations and underslab areas should be
avoided during construction.
2) Exterior backfill should be adjusted to near optimum moisture and
compacted to at least 95 % of the maximum standard Proctor density in
pavement and slab areas and to at least 90 % of the maximum standard
Proctor density in landscape areas. Free -draining wall backfill should be
capped with about 2 feet of the on -site, finer graded soils to reduce
surface water infiltration.
3) The ground surface surrounding the exterior of the building should be
sloped to drain away from the foundation in all directions. We
recommend a minimum slope of 12 inches in the first 10 feet in unpaved
areas and a minimum slope of 3 inches in the first 10 feet in pavement
and walkway areas. A Swale may be needed uphill to direct surface
runoff around the residence.
4) Roof downspouts and drains should discharge well beyond the limits of
all backfill
Percolation Testing: Percolation tests were conducted on June 5, 2001 to evaluate the
feasibility of an infiltration septic disposal system at the site. One profile pit and three
percolation holes were dug at the locations shown on Fig. 1. The test holes (nominal 12
inch diameter by 12 inch deep) were hand dug at the bottom of shallow backhoe pits
and were soaked with water by the client one day prior to testing. The soils exposed in
the percolation holes are similar to those exposed in the Profile Pit shown on Fig. 2 and
consist of about 2 feet of topsoil overlying relatively dense, basalt gravel, cobbles and
boulders in a silt and sand matrix to the pit depth of 71/z feet. The percolation test
results are presented in Table I. The percolation test results indicate an infiltration rate
between 51 and 60 minutes per inch with an average of 57 minutes per inch.
Limitations: This study has been conducted in accordance with generally accepted
geotechnical engineering principles and practices in this area at this time. We make no
warranty either expressed or implied. The conclusions and recommendations submitted
H-P GEOTECH
John Dewind
June 14, 2001
Page 4
in this report are based upon the data obtained from the exploratory pits excavated at the
locations indicated on Fig. 1, the proposed type of construction and our experience in
the area. Our findings include interpolation and extrapolation of the subsurface
conditions identified at the exploratory pits and variations in the subsurface conditions
may not become evident until excavation is performed. If conditions encountered
during construction appear different from those described in this report, we should be
notified at once so re-evaluation of the recommendations may be made.
This report has been prepared for the exclusive use by our client for design purposes.
We are not responsible for technical interpretations by others of our information. As
the project evolves, we should provide continued consultation and field services during
construction to review and monitor the implementation of our recommendations, and to
verify that the recommendations have been appropriately interpreted. Significant design
changes may require additional analysis or modifications to the recommendations
presented herein. We recommend on -site observation of excavations and foundation
bearing strata and testing of structural fill by a representative of the geotechnical
engineer.
If you have any questions or if we may be of further assistance, please let us know.
Sincerely,
HEPWORTH - PAWLAK GEOT INC.
R EG/STD
Jordy Z. Adamson, Jr , P.
Reviewed by: .............•••�
k4Ak
Daniel E. ardin, P.E.
JZA/djg
attachments
cc: High Country Engineering - Attn: Eric Tuin
H-P GEOTECH
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BASALT COBBLES and BOULDERS(GP—GM); in a gravelly silt and sand matrix, boulders up to
4• about 4 in size, dense, slightly moist, light brown, calcareous.
Disturbed bulk sample.
TRefusal to backhoe on basalt boulders.
NOTES:
1. Exploratory pits were excavated on June 4, 2001 with a backhoe.
2. Locations of exploratory pits were measured approximately by pacing from features on the site plan
provided.
3. Elevations of exploratory pits were obtained by interpolation between contours on the site plan
provided and checked with hand level. Logs are drawn to depth.
4. The exploratory pit locations and elevations should be considered accurate only to the degree implied
by the method used.
5. The lines between materials shown on the exploratory pit logs represent the approximate boundaries
between material types and transitions may be gradual.
S. No free water was encountered in the pits at the time of excavating. Fluctuations in water level may
occur with time.
7. Laboratory Testing Results:
+4 = Percent retained on No. 4 sieve
—200 = Percent passing No. 200 sieve
1
101 419 HE WORTH ICAL, WLA I LOGS OF EXPLORATORY PITS I Fig. 3 I
,t
HEPWORTH-PAWLAK GEOTECHNICAL, INC.
TABLE I
PERCOLATION TEST RESULTS JOB NO. 101 419
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
(MINJINCH)
P-1
36
15
Water Added
4'/4
4
%
51
4
35/a
3/a
35/a
3 %s
1/8
3'/2
3 %
'/4
5'/2
5'/4
A
5'/4
47/8
3/8
47/a
45/a
'/4
P-2
28
15
6'/4
57/a
%
60
5T/a
5 %2
3/8
5'/2
5'/4
'/4
5'/4
5
'/4
5
4%
/4
4%
4'/2
'/4
4%
4'/4
'/a
P-3
37
15
6'/4
5 %
/2
60
5 %
5'/4
'/2
5'/4
5
'/4
5
4%
'/4
4%
4 %2
'/4
4'/2
4'/4
'/4
4'/4
4
'/4
Note: Percolation test holes were hand dug in the bottom of backhoe pits and soaked by the client on June 4,
2001. Percolation tests were conducted on June 5, 2001. The average percolation rates were based on
the last three readings of each test.
2123-01 Tax#2391-214-02-001
JOB NAM.IE Lot #2, Sopris Mesa DEWIND
753 Green MEadow Drive
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AT BENDS.LLJ
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SIDES ROUGHENED
NATURAL GROUND --�
36` -
NATURAL BACKFILL
12" MIN. COVER
36" MAX. COVER
/
12"
INFILTRATOR UNIT
TRENCH BOTTOM LEVEL
AND ROUGHENED
TRENCH CROSS SECTION (TYP.)N.T.S.
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4" 0 CUT HOLE IN TOP OF
SOLID PIPE INFILTRATOR UNIT FOR
SIDES / IWELL PIPE NSTALLATION OF INSPECTION
RO GHENED\�' \�
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2" O \\/� 4" 0 PERFORATED PIPE
\\ 0 \�/� WRAPPED IN FILTER FABRIC
36"
INSPECTION WELL DETAIL
N.T.S.
FINISH GRADE
4" COUPIJn
4" SEWER
PVC CAP_--�
RISER
45* SWEEP BEND
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�n SCALE: 1 2000'
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2,�i GENERAL NOTES
1 ALL CONSTRUC710N SHALL BE IN ACCORDANCE WITH THE EAGLE COUNTY
�J ^ V, AND COLORADO DEPARTMENT OF HEALTH (CDOH) REGULATIONS OF INDIVIDUAL
v 9- SEWAGE DISPOSAL SYSTEMS, EVEN THOUGH ALL SUCH REQUIREMENTS ARE NOT
SPECIFICALLY NOTED ON THE DRAWINGS. THE CONTRACTOR SHALL -BE
RESPONSIBLE FOR SUCH SPECIFIC DETAILS AS ARE REFERRED.TO IN
,C THE ABOVE -MENTIONED REGULATIONS.
a\ 2. FLOW: 5 BEDROOMS *2 PERSONS/BEDROOM *75 GALLONS/PERSON/DAY IS
750 GPD = AVERAGE DAILY FLOW. i +
MAXIMUM = 1.5* AVERAGE = 1125 GPD DESIGN
SEPTIC TANK: MINIMUM PRE -CAST CONCRETE TANK SIZE ACCORDING TO
30 HOUR DETENTION = 30/24 * 1125 'i= 1406 GALLON TANK.' EAGLE COUNTY
REGULATIONS ROOM HOUSE TO HAVE A 1500 GALLON TANK.
RECOMMEN A 1500 GALLON NK, 0 1750 GALLON TANK TO ALLOW FOR FUTURE
EXPANSIO
*FIELD SIZE- PER CDOH EQUATIONS:'
A = OFt Q = MAXIMUM FLOW
5 t = PERCOLATION RATE 57 (AVERAGE)
A = 1125* 57 = 1699 SQ.FT
5
LTAR CALCULATION
PERK RATE OF 57, CLAY SOILS, MAXIMUM LOADING RATE PER EPA DESIGN REG'S IS 0.40
GAL/SF/DAY: 1125 GPD / 0.40 GAL/SF/DAY = 2813 S.F.
I
PER CDOH REGS FOR USE OF 'INFILTRATOR" TRENCH SYSTEMS
ABSORPTION AREA CAN BE REDUCED BY 50% FOR TRENCH NFIGURATION
UNITS REQUIRED = .F. * 0.5 / 15.5 S.F./UNI = 91 UNITS Mtit,
�8"/ 3 E
3. TOPSOIL: SOIL EXCAVATED FROM SITE ACCEPTABLE IF NO Y I _
PRESENT.
4. VEHICULAR TRAFFIC IS PROHIBITED ON THE FIELD AREA
5. CLEANOUTS ARE REQUIRED AT ALL BENDS AND AT LEAST EVERY 100
FEET ALONG THE HOUSE SEWER. I ;
6. INSTALL RISERS AS NECESSARY TO BRING ALL ACCESS POINTS TO
WITHIN 1/2-FOOT OF FINAL GRADE.I
7. LOCATIONS OF ALL COMPONENTS MAY BE VARIED AS NECESSARY AS LONG
AS ALL MINIMUM DISTANCES AND SLOPES MEET THOSE REQUIRED. _ -
8. PROVIDE POSITIVE DRAINAGE OF SURFACE WATER AWAY FROM AREA
USING DRAINAGE SWALES AS NECESSARY.
�9. PERCOLATION RATE BASED ON TESTING BY H.P. GEOTECH, INC. ON JUNE 5,
2001, JOB NUMBER 101 419. PROFILE HOLE INDICATED 2' OF TOPSOIL WITH
5.5' OF RELATIVELY DENtE, BASALT GRAVEL, COBBLES AND BOULDERS IN A }
SILT AND SAND MATRIX -" EDR K OR Kin
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B OC GROUNDWATER WAS ENCOUNTERED.
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_10. THIS DRAWING DOES NOT CONSTITUTE AN ISDS PERMIT. PERMIT
MUST BE OBTAINED FROM APPROPRIATE CITY OR COUNTY OFFICIALS.
ENGINEER MUST OBSERVE CONSTRUCTED SYSTEM BEFORE BACKFILL
AND PROVIDE REPORT TO COUNTY. I
11. THIS SYSTEM lS SIZED FOR TYPICAL DOMESTIC WASTES ONLY. BACKWASH OR �
FLUSHING FLOWS FOR REVERSE OSMOSIS UNITS OR WATER SOFTENERS OR Z
FILTERS SHOULD NOT BE INTRODUCEDINTO THIS SYSTEM.
tO
12. HIGH COUNTRY ENGINEERING, INC. AND THE EAGLE COUNTY ENVIRONMENTAL HEALTH Q (n C
DEPARTMENT SHALL BE NOTIFIED AND A FIELD INSPECTION SCHEDULED, COMPLETED AND W Of 0c
APPROVED, PRIOR TO BACKFILLING THE: ISDS SYSTEM. Z O -
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GENERAL ABSORPTION TRENCH NOTES Li
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o _j to ,
1. TRENCH LENGTH SHALL NOT EXCEED 100 FEET. Q _J
2. THE BOTTOM OF EACH TRENCH SHALL BE LEVEL ((O
I ' 0
3. DRAINAGE DITCHES ARE TO BE PROVIDED ABOVE AND AROUND TRENCHES,
AS NECESSARY, TO PREVENT SURFACE RUNOFF FROM ENTERING 0
eacnccnro,i ere . ,
lll�tit 1111J a.JlJtiLL'i '
5. INSTALL INFILTRATOR IN ACCORDANCE' WITH MANUFACTURES RECOMMENDATIO
t 4
( DI MEET �
f inch 20 ft
f �
NOTE: EXISTING TOPCvRAPh i INVCA-W-3 TIC&t 15 FROM AN AERIAL SURVEY AND WAS FIELC '
VERIFIED TO HA-1E AN r ;wOR --- =2 FEET IN SOME LOCATIONS. '
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