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GARFItLD COUNTY BUILDING AND SANITATION DEPARTMENT Permit N. 24 9 F 4
109 8th Street Suite 303 Assessor's Parcel No.
Glenwood Springs, Colorado 81801 y,
Phone (303) 945 -8212 q(
This does not constitute 4.
INDIVIDUAL SEWAGE DISPOSAL PERMIT a building or use permit.
PROPERTY 't
Gregory Harms
Owner's Name Barbara G Present Address 1201 Clarkson, Rifle Phone_ 625 -0969
System Location _______,5171 County Road 233; Antlers Orchard, Tract 48, Silt
Legal Description of Assessor's Parcel No.
•
Per eft Fs, er'A Y've.) 19 ca04. f / / / /✓/.E f',#c 6-0 CC r..."46 70*, -
SYSTEM DESIGN
} ,a
Septic Tank Capacity (gallon) Other
/ fr , N 20 tn. nL
Alercolation Rate (minutes /inch) Number of Bedrooms (or other) 4 F1
Required Absorption Area - See Attached $g
Special Setback Requirements: _ t
t
Date 9"/ `1- Inspector 4 ir ! ,
t FINAL SYSTEM INSPECTION AND APPROVAL (as installed) !VI i
Calf for Inspection (24 hours notice) Before Covering Installation it
System Installer_ LQ1 A J ffie
Septic Tank Capacity /2S6 $1;
Septic Tank Manufacturer or Trade Name C op4 n _4 tr
Septic Tank Access within 8" of surface Vac -S
Absorption Area[ 1 7 C //y
L 5
Absorption Area Type and /or Manufacturer or Trade Name /Pal) ( ' . <<, ;�,r , , 1 • M 11 6 it
Q
Adequate compliance with County and State regulations /requirements ! r - Y
U.
nc (�J, u:.r , _. - 7 .. s,' rl�,2 +.
Other /4n
f t
Date / / c - Inspector 6/ e Ar, p / 'ev 4' '1/4_, -
RETAIN WITH RECEIPT RECORDS AT CONSTRUCTION SITE I. ,
s`
•CONDITIONS: k
1. All installation must comply with all requirements of the Colorado State Board of Health Individual Sewage Disposal Systems Chapter Y '
25, Article 10 C.R.S. 1973, Revised 1984.
2. This permit is valid only for connection to structures which have fully complied with County zoning and building requirements. Con- I" ; ..
nection to or use with any dwelling or structures not approved by the Building and Zoning office shall automatically be a violation or a i
requirement of the permit and cause tor both legal action and revocation of the permit.
3. Any person who constructs, alters, or installs an individual sewage disposal system in a manner which involves a knowing and materiel e ,
variation from the terms or specifications contained In the application Of permit commits a Class I, Petty Offense ($500.00 fine —6
months In jail or both).
Applicant: Green Copy Department: Pink Copy l
I
I
1 NDIV _IDLIALSEWAGE_DISPnSAL_SYSTEIA APPLICATION
OWNER (PR f 6c fit 7 l HA2k, s
ADDRESS IRO/ .LAM k on/Ai/pd. f,T e 9' IONS 6 2y_ A f # 7
CONTRACTOR Q.4✓ia M4s'? yF cfrn/
ADDRESS .9700 ,1:-70 .Ids Ave?. 6J . Coto PHONE st 4<? —34'6/
PERMIT REQUEST FOR ( ) NEW INSTALLATION ( ) ALTERATION ( ) REPAIR
Attach separate sheets or report showing entire area with respect to surrounding areas, topography of area,
habitable building, location of potable water wells, soil percolation test holes, soil profiles in test holes
(See page 4).
LOCATION_OFPROPOSED_I?ACILIT_Y: COUNTY Cd °L.Q
Near what City or 'Town S! c7 Lot /0 /9e-er.
Legal Description
WAS"IT:STYPE: ( )welling ( ) Transient Use
( ) Commercial or Industrial ( ) Non - domestic Wastes
( ) Other - Describe
IIUI11)1NG Olt SERVICE TYPE:
Number of bedrooms: a - 4 Number of persons S
( Garbage Grinder (• ) Autonomic Wail r (L}Pifshwasher
SOIIRCH AND LY_PE. I WAL'GI_SLIPPLY_: ( ELL () SPRING () STREAM OR CREEK
Give depth ()fall wells within 180 feet of system:
If supplied by communiiy water, give name of supplier: AJ, /6
GROLINI) CONDITIONS:
Depth to bedrock:
Depth to first Ground Water Table: _
Percent Ground Slope:__
DISTANCE To NEAR SEWER SYSTEM: :
Was an effort made to connect to community system?
TYPE OF NBIVIDUAL SEWAGE DISPOSAL SYS'T'EM PROPOSED:
( Tank ( ) Aeration Plant ( ) Vault
O Vault Privy ( ) Composting Toilet ( ) Recycling, potable use
( ) Pit Privy ( ) Incineration Toilet ( ) Recycling, other use
( ) Che ical Toilet ( ) Other - Describe:
FINAL DI ' OSAL BY:
( Absorption 'french, lied or Pit ( ) Evapotranspiration
( ) Underground Dispersal ( ) Sand Filter
( ) Above Ground Dispersal ( ) Wastewater Pond
( ) Other - Describe:
WILL EFFLUENT BE DISCHARGED DIRECTLY INTO WATERS OF THE STATE? /1//b
1.
L 'ERC 4 LAT 14 N_'ESZRESLLTS: (1'o be completed by Registered Professional En ineer
Minutes per inch in hole No. 1 g
Minutes per inch in 1 - tole No. 3
Minutes per inch in hole No. 2 Minutes
per inch in Hole No.
Name, address and telephone of RPE who made soil absorption tests:
Name, address and telephone of RPE responsible for design of the system:
Applicant acknowledges that thecompleteness of the appliction is conditional upon such further mandatory
and additional Tests and reports as may be required by the local health department to be made and furnished
by the applicant or by the local health department for purposes of the evaluation of the application; and the
issuance of the permit is subject to such terms and conditions as deemed necessary to inusre compliance with
rules and regulations adopted under Article 10, Title 25, C.R.S. 1973, as amended. The undersigned hereby
certifies (hat all statements make, information and reports submitted herewith and required to be submitted
by the applicant are or will be represented to he true and correct to the best of my knowledge and belief and
are designed to bre relied on by the local department of health in evluating the same fro purposes of issuing •
•
the permit applied for herein. 1 further understand that any falsification or misrepresentation may result in
the denial of the application or revocation of any permit granted based upon said application and in legal
action for perjury as provided by law.
Signed r ^� R47,5
Dale R /
P_LEASILDRAW_AN_1CCLRA E_MALTO YOUR_P13CPEICI_Y
•
•
10/12/1995 13:16 3032450577 CRONK CONST PAGE 01
e CRONK
CONSTRUCTION
INCORPORATED
1129 -24- Road
Grand Junction, CO 81605
970 -245 -0577
970- 257 - 7453 (fax)
FACSIMILE TRANSMITTAL
Date: t c>0. (u\ .
To: o. !a/ • ° w/ l�! C D
Attention: ncoN C)w '.s
Regarding: �'Cesv) Cm" +c, 6 ►_xti w /✓e
Ic L?zv 3/7/ CR
!f Co
Number of Pages ' (including cover sheet)
10/12/1995 13:16 3032450577 CRONK CONST PAGE 02
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T PU.G. 3 ,
3 j TYP. A ENDS
SEPTIC - - -
INFLUENT - -
1/4 4' PERFORATED EFfLUE T 4 ,
DISTRIBUTION LINES
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41 - — Y L /
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Ow 0 28 -g'0 -- ABSORPTION FI - VIEW � �- � Pk QN./
.16 - i s t SCALE 1 - \-, 11 - � ! 2
-.1 ccd Q
SYNTHETIC FILTER FABRIC ` ~ ' ` \
HAY, OR UNTREATED BUILDING /`
PAPER OVER GRAVEL � P � y , Tc2 /
12' GRAVEL SEEPAGE BED w "
(OS' -2.5' WASHED ROCK) 4, SURFACE (A SLOPE)
SOIL CAP (MOUND 52) A
4' PERFORATED DISTRIBUTION LINES, TYP.
i (6' GRAVEL UNDER, 2' GRAVEL OVER) 1 al I a I
J. 3 8 1• -36'
M4
--.120•
HIGH SEASONAL WATER TABL SOILS LOG
GROUND WAT (SEE NOTES)
ABSORPTION FIELD - CROSS SECTION
SCALE: I' =10'
NOTES
WELLS RESIDENCE al - SANDY CLAY
1382 H -1 /A ROAD, LONA x2 - CLAYEY SAND
2691-344 -00 -845 a3 - SILTY /SANDY CLAY
CONSTRUCTION DETAIL a4 - CLAYEY SAND
OCTOBER 6. 1995 GROUND WATER AT 96'1 HIGH SEASONAL
WATER TABLE AT 04'
10/12/1995 13:16 3032450577 CRONK CONST PAGE 03
I
660' (NOT TO SCALD
HARMS RESIDENCE Q�J�- G 10
3171 COUNTY RD. 233, RIrLE [
2127 - 324 -00 -186 `'1J"
PLOT PLAN
SEPTEMBER 26, 1995 g\./ Pe +Q V a
AA SCALE 1'.511' NORTH
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F E N C E
PERC TEST LOCATIONS
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10/12/1995 13:16 3032450577 CRONK CONST PAGE 04
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RONK ONSTRUCTION INCORPORATED
1 303- 245 -4577 • 1129 —24— ROAD • GRAND JUNCTION, CO 81505
1
INDIVIDUAL SEWAGE DISPOSAL SYSTEM DESIGN
Date: September 30, 1995
' Prepared by: Thomas A. Cronk, P.E.
Cronk Construction Inc.
1129 -24- Road
Grand Junction, CO 81505
245 -0577
Type of Design: New residence
Owner: Gregory Harms /Barbara Gold
1201 Clarkson
Rifle, CO 81650
1- 970 - 625 -0969
Property address: 3171 County Road 233, Silt, CO 81652
Tax schedule No.: 2127 - 324 -00 -186
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' Page 1of8
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1.0 Site History
1 The site consists of approximately 10 acres of cultivated native soils. A perc test was conducted at the
site by personnel from the Garfield County Building and Sanitation Department on 09/18/95. The perc
test was conducted to develop subsurface design parameters for a new individual sewage disposal system
1 (ISDS) to serve a proposed residence. The location of the test holes are shown on the attached plot plan.
Natural drainage in the vicinity of the perc test is approximately 1.0% to the south and 2.0% to the east.
Results from the investigations indicated low permeability subsoils and an engineered ISDS design was
' requested. Results of the 09/18/95 perc test is attached for reference as Appendix A. A discussion of
developed subsurface design parameters and the engineered ISDS design follows.
' 2 .0 Development of Design Parameters
Each of the three perc holes at the site were excavated to a depth of approximately 36" below ground
surface (BGS). A deep excavation (originally intended for a cistern) was observed by Tom A. Cronk,
registered professional engineer, on 09/23/95 to assess subsurface conditions below the 36" depth. the
cistern excavation was located approximately 70' to the southwest of the perc holes and extended to a
depth of 120" BGS. Standing water was observed in the open excavation at a depth of 96" BGS. The
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high seasonal water table (i.e., saturated soil conditions) is estimated at a depth of 84" BGS. Inspection
of the open excavation indicated four distinct soil horizons underlie the site. A Lithological description
follows:
depth (in.) description
' 0" - 24" sandy clay
24" - 36" clayey sand
36" - 60" silty /sandy clay
60" - 120" clayey sand (saturated below 84 ")
As based on the Garfield County perc results, an average perc rate of 80 min /in. is chosen for overall
system design.
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Page 2 of 8
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1 3.0 System Design
A gravel absorption field is proposed for discharge of septic effluent at the site. Construction of the
system will consist of removing the upper 36" of surface soils from the area underlying the proposed
absorption field. Following removal of surface soils, a 12" gravel seepage bed will be placed over the
' absorption area. The gravel seepage bed shall consisting of 0.5 " -2.5" washed rock with individual
aggregate components of uniform size. Four in. perforated effluent discharge lines will be embedded in
the gravel seepage bed with a minimum of 4" of gravel under, and a minimum of 2" of gravel over each
' line. The bottom of the gravel seepage bed will be located at a depth of 36" BGS. The gravel seepage
bed system will provide 48" of usable infiltration soil between the bottom of the gravel seepage bed and
the high seasonal water table located at a depth of 84" BGS.
1 After the gravel seepage bed is installed, synthetic filter fabric (140 -200 mesh), hay, or untreated
building paper will be placed over the gravel and the remaining excavation will be backfilled with native
soil. Backfill will be continued to the elevation of the existing ground surface followed by construction
' of a soil cap over the absorption field. The soil cap will consist of native soil mounded 5% to promote
surface run off away from the absorption field.
' The installer should confirm the feasibility of gravity discharge of sewage effluent from the residence to
the absorption field by field verification of assumed design parameters. Assumed design parameters with
respect to gravity discharge include:
1 • distance from the sewage pipe at exit from the foundation line to the absorption field -
40' or less,
' • elevation of the ground surface at entry to the absorption field shall be 16" or Tess above
the invert elevation of the sewage pipe at exit from the foundation line.
' If field measurements do not confirm these design assumptions, gravity discharge of sewage effluent
from the existing residence to the absorption field can not be assured and a lift pump may be required.
Please contact the design engineer and Garfield County to address any design modifications necessary for
effective operation of the ISDS if the above design assumptions are not upheld.
' The installer must also confirm the setbacks from property lines, building envelopes, and existing
easements shown in the attached graphics are maintained. Any unknown utility lines, easements, or
other adverse conditions disclosed during construction must also maintain the required setbacks listed on
page 5 of this document.
' A 1,250 gallon septic tank is required to provide a minimum of 30 hours retention time for septic
effluent from the four bedroom home. All ISDS elements must be covered with a minimum of 12" (18"
' recommended) of soil (excepting maximum 8" soil cover over septic access ports).
As discussed above, a gravel seepage bed is proposed to discharge septic effluent to the underlying sub-
soils. As shown in the attached graphics, the absorption field will be 24 ft by 94 ft in lateral dimensions
and encompass an area of 2,256 square feet.
Calculations and design parameters used to size the absorption field follow.
1 Page 3 of 8
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DESIGN CALCULATIONS
AVERAGE FLOW FOR 4 BEDROOM HOME @ 150 GAL. /BEDROOM-DAY
' 4 X 150 = 600 GAL. /DAY
PEAK FLOW = 150% OF AVERAGE = 900 GAL. /DAY
DESIGN PERCOLATION RATE = 80 MIN. /INCH
1 A = �E, WHERE,
A = ABSORPTION FIELD AREA
1 Q = PEAK FLOW
t = PERC TIME / INCH
A = 950 �i - 1609.97 SQUARE FEET
INCREASE ABSORPTION AREA BY 40% FOR AUTOMATIC WASHER
DESIGN AREA = 1609.97 X 1.4 = 2253.96 SQUARE FEET
ABSORPTION FIELD SIZED AT 24 FT. x 94 FT. = 2,256 SQUARE FEET
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Page 4 of 8
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1 4.0 Site Specific Installation /Operation Requirements
' The owner and system contractor shall be aware and comply with the following installation and system
operation requirements.
4.1 Installation - Setbacks, Notifications. and Inspections
• The individual sewage disposal system shall be installed in accordance with all relevant
' Colorado Department of Health and Garfield County regulations and requirements.
• If at any time during construction. subsurface site conditions are encountered which
I differ from the design parameters developed in Section 2.0 (e.g.. differing soil strata or
differing depth to groundwater/bedrockl construction activities will ston and the design
engineer and Garfield County will he consulted to address necessary design modifications
' to the proposed system.
• Installation procedures including grade, location, setbacks, septic tank size, and
I absorption field size shall conform with the attached graphic details. Construction
activities and system components will not encroach upon existing easements or utility
corridors. A minimum of 6 ft of undisturbed soil shall be maintained between individual
absorption elements and the septic tank and /or adjacent absorption elements. Minimum
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site specific setbacks for system components are:
Source Septic Tank Absorption Field Building Sewer
' water line 10' 25' 10'
water cistern 25' 25' 25'
dwelling 10' 20'
I property lines 10' 10'
subsoil drains 10' 2 5'
irrigation ditch
open 50' 50'
1 lined /gated 25 2 5'
solid pipe 10' 10'
•
I • To avoid surface flow infiltration and saturation of the new absorption system,
abandonment of irrigation in the vicinity of the disposal system is required. Diversion
ditches necessary to divert surface flows around the new absorption bed must maintain
' the minimum setbacks listed above.
• All sewer lines and effluent distribution piping shall be 4 inches in diameter, have glued
I joints, and shall be looped at termination of discharge. Septic tank effluent lines shall
be placed level in the absorption field. All lines discharging sewage from the residence
to the septic tank shall maintain fall of between 1/8 in. and 1/4 in. per foot and shall
I employ sweep 90's or 2-45's at all turns. Sewer lines extending from the dwelling to the
septic tank and for a distance of at least 6 ft from the outlet of the septic tank and /or
under driveways must be Schedule 40 PVC or meet ASTM standard 3034.
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1 • The installer shall not place fill in the open excavation until inspected and approved by
the design engineer. Additionally, the final cover shall not be placed on sewer lines,
I septic tank, or the absorption area until the system has been inspected and approved by
the design engineer and Garfield County.
1 • The installer shall provide 24 hour notice to the engineer and Garfield County for all
required inspections.
I • The gravel seepage field will consist of a 12 in. layer of 0.5 in. to 2.5 in. washed rock
with individual aggregate components of uniform size spread evenly over the absorption
field area. Four in. effluent distribution lines will be embedded in the gravel such that
1 a minimum of 4" of gravel is under, and 2" of gravel is over each line. A covering of
untreated building paper, hay, straw, or synthetic filter fabric shall be placed on top of
the gravel before backfilling the remaining excavation to the existing ground surface with
I native soils.
• A surface cap constructed of native soils shall be placed over the absorption field. The
surface cap shall be mounded 5% over the absorption field to promote surface runoff.
I • The system contractor shall be aware of the potential for construction activities to reduce
soil permeabilities at the site through compaction, smearing, and shearing. The
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following precautions and construction procedures should be employed during installation
to minimize disturbance to native soils:
I i. Excavation should proceed only when the moisture content of the soil is below
the plastic limit. If a sample of soil forms a rope instead of crumbling when
rolled between the hands it is too wet and should be allowed to dry before
excavation continues.
ii. Excavation and backfill equipment should work from the surface where at all
practical to avoid compaction of the soils at depth.
I iii. The bottom and sidewalls of the excavation should be left with a rough, open
surface. The appearance should be that of broken or ripped soil as opposed to
a sheared, smeared, or troweled surface. Any smoothed or smeared surfaces
I should be removed with a toothed rake or shallow ripper taking care to remove
loose residues from the bottom of the excavation by hand if necessary.
iv. Care should be taken in placing fill materials in the excavation to avoid
' damaging the exposed soil surfaces.
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1 4.2 Operation - Maintenance and Inspections
' • The owner shall install a structural barrier if necessary and take precautions to prevent
vehicular traffic, excessive surface watering, accidental flooding, or other activities in
the vicinity of the absorption field which may compact, saturate, or otherwise alter the
' subsurface soil parameters used in designing the septic system.
• The owner will plant and maintain grass or other shallow rooted cover crop to prevent
' erosion and promote evapotranspiration over the absorption field.
• The owner will inspect and maintain the required mounding and drainage away from the
' absorption field to prevent saturation from precipitation and surface flows.
• To mitigate the generation of preferential flow channels which may compromise the
operation of the system, the owner will inspect and prevent intrusion of burrowing
animals and deep rooted plants into the absorption field.
• The owner will conduct periodic maintenance of the septic system by removing
' accumulated sludge from the septic tank every 3 -4 years to prevent clogging of the
absorption field.
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5.0 Authority
I, Thomas A. Cronk, being a registered engineer in the State of Colorado, certify the individual sewage
disposal system discussed herein has been designed in accordance with good engineering practices.
1 SEAL
%, 56
0Os0 p Thomas A. Cronk, P.E.
• A O . S TF
j O -0•�tn t
' Q 2� a ', �)' " Date �s t_�RS��
ctiksilt Q., t OnAt. te
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' NOTE: This individual sewage disposal plan is meant to include the following three pages of
graphics including: 1) plot plan, 2) septic layout plan, and 3) construction details (absorption field
plan view, and absorption field cross section). The plan is not to be implemented in the absence of
these related graphics. In addition, results from the percolation test are included for reference as
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Appendix A.
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Page 8 of 8
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1
I -660' (NOT TO SCALE)
1 HARMS RESIDENCE
3171 COUNTY RD. 233, RIFLE 6
I 2127- 324 -00 -186
PLOT PLAN
SEPTEMBER 26, 1995
SCALE' l' =50' NORTH
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INFLUENT T 5 I
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DISTRI LINESLUENT , SOLID TIENDS 2 4'
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' ABSORPTION FIELD - PLAN VIEW
SCALE: 1' =20'
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1 SYNTHETIC FILTER FABRIC,
HAY, OR UNTREATED BUILDING EXISTING GROUND SURFACE -
PAPER OVER GRAVEL
I
12' GRAVEL SEEPAGE BED SOIL CAP (MOUND 5%)
(0.5' -2.5' WASHED ROCK)
1
4' PERFORATED DISTRIBUTION LINES, TYP.
I <6' GRAVEL UNDER, 2' GRAVEL OVER)
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® -60'
1
HIGH SEASONAL WATER TABLE��
' WATER TABLE 120'
SOILS LOG
' ABSORPTION FIELD - CROSS SECTION (SEE NOTES)
SCALD 1' =5'
' HARMS RESIDENCE NOTES
3171 COUNTY RD. 233, RIFLE PI - SANDY CLAY
2127 - 324 -00 -186 02 - CLAYEY SAND
CONSTRUCTION DETAIL
03 - SILTY /SANDY CLAY
SEPTEMBER 26, 1995
04 - CLAYEY SAND
' STANDING WATER TALBE AT 96'
HIGH SEASONAL WATER TABLE AT 84'
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1 APPENDIX A
SOILS AND PERCOLATION REPORT
GARFIELD COUNTY BUILDING AND SANITATION DEPARTMENT
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SEP -25 '95 16:14 GARFIELD COUNTY P
r..,..w
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GARFIELD COUNTY BUILDING AND SANITATION DEPARTMENT Permit 1 �,.. 24 V.
I • \ 109 8th Street Suite 903 Assessor's Parcel N0,
Glenwood Sprhiys, Colorado 81601
Phone (303) 945.8212
• ' This does not Constitute
•
-
INDIVIDUAL SEWAGE DISPOSAL PERMIT • a budding or use permit,
' PROPERTY •
•
Gregory Harmn
Owner's Name Bnrhara Ovid Present Address 1201 C1arttmon Rune Phone_ 625 -0969
' System Location .1] 7/ County Road 213. Antlor0 fIrdirtrd, Trust 4Y, CIJt:
I Legal Description of Manor's Parcel No.
, i•;y r• •.,r 't' nC i A1 L +Si • 1V#. f „, e ,vp O.. .L' r ry14,
SYSTEM DESIGN
•
1 . • Septic' Tank Capacity (gallon) Other
N Ito 'gdornA)
• t , s..,,? J AI... ,. :Percolation Rate (mltiutes/inch); Number of Bedrooms (or other) �1
Required Absorption Aria • See Attached
•
Spool& Setback Requirements:.
•
'.._ °.__... Gab 9—it—Tr Inspector / / P a 2. ) L
III FINAL SYSTEM INSPECTION AND APPROVAL ( •
• as installed) ✓ ✓�� ✓”" / / / // / ? e it
Call for Inspection (24 hours notice) Before Covering Installation (�
' System Installer r
Septic Tank Capacity .
' Septic Tank Manufacturer or Trade Name • , _" . _
Septic Tank Moose within 8" of surface .
I - Absorption Ares .
' Absorption Area Type and/or Manufacturer or Trade Name /
Adequate compliance with County and State ragulattons /roquiremenls •
•
' • Other
Deb Inspector __
•
' RETAIN WITH RECEIPT RECORDS AT CONSTRUCTION SITE
*CONDITIONS;
I 1. All installation must comply with all requirements of the Colorado State Board of Health Individual Sewage Disposal Systems Chapter
26, Article 10 C.R.S. 1973, Revised 1880.
• 2. This permit Is valid only for connection to structures which have fully complied with County zoning end building requirements. Con
neotl0n to Or un with any dwelling or structures not approved by the Building and Zoning of five shell automatically be it violation Ore
• requirement of the permit and cause for both legal act ion and revocation of the permlL
I 3. Any person wh000nstruots, alters, or installs on Individual seWage disposal system Ina manner which involves a knowing and material
variation from the terms or specifications contained in the application of permit commits a Ofass 1, Petty Offense ($500.00 tine —
months In jail of both).