HomeMy WebLinkAbout118 Red Rock Rd - 246510401004 - 1957-00ISINDIVIDUAL 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. 1957-00 BP NO. 13027
OWNER: DAN AND TAMI SCHERER PHONE: 970-963-1716
MAILING ADDRESS: 0254 DEER RUN CARBONDALE, CO. 81623
APPLICANT: GALEN SMITH LAMOCHATTEE CUSTOM BUILDERS INC PHONE: 970-379-1349 CELL / 970-876-5564
SYSTEM LOCATION: 0118 RED ROCK RD., BASALT, CO 81621 TAX PARCEL NO 2465 104 01 004
LICENSED INSTALLER: RANDY HUGHES / HUGHES EXCAVATING LICENSE NO. 13-00 PHONE: 970-963-2004
DESIGN ENGINEER: HP GEOTECH / SOILS REPORT ONLY PHONE NO. 970-945-7988
INSTALLATION HEREBY GRANTED FOR THE FOLLOWING: MINIMUM REQUIREMENTS FOR A 4 BEDROOM RESIDENCE
1250 GALLON CONCRETE, 2 COMPARTMENT TANK, 1500 SQUARE FEET OF ABSORPTION AREA VIA 48 INFILTRATOR UNITS AS REQUESTED.
SPECIAL REQUIREMENTS: ACCORDING TO FINAL PLAT NOTES REGARDING THIS SUBDIVISION ALL LEACH FIELDS ARE TO BE INSTALLED ON THE
NORTHERN PORTION OF THE PROPERTY, AND A 200 FT SET BACK MUST BE MAINTAINED FROM ALL WELLS IN THE VICINITY INSTALL IN SERIAL
DISTRIBUTION IN TRENCHES, WITH A CLEAN -OUT BETWEEN THE TANK AND THE HOUSE, AND INSPECTION PORTALS IN EACH TRENCH DO NOT
INSTALL IN WET WEATHER, AND RAKE ALL TRENCH SURFACES TO PREVENT THE SMEARING OF SOILS CALL EAGLE COUNTY FOR FINAL IN-
SPECTION PRIOR TO BACK -FILLING ANY PORTION OF THE INSTALLATION OR WITH ANY QUESTIONS REGARDING THE INSTALLATION THE
BUILDING CERTIFICATE OF OCCUPANCY WILL NOT BE ISSUED UNTIT 1HE SEPTIC SYSTEM HAS RECEIVED FINAL APPROVAL.
ENVIRONMENTAL HEALTH APPROVAL: DATE: MAY 5, 2000
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: 1488 SQUARE FEET (VIA 48 INFILTRATOR UNITS, )
INSTALLED CONCRETE SF.PTTC TANK: 1 2 5(1GALLONS IS LOCATED 302_ DEGREES AND 27 FEET INCHES
FRoM THE CLEAN OUT ON THE NORTH EAST SIDE OF THE HOUSE.
COMMENTS: FTNAL TNSPF.CTTON OF TNF. TNSTAT T ACTON WAR T)ONF. RV HFATHFR 4A VAT OX ON JUNF 21 , 2000
THIS SYSTEM IS LARGE ENOUGH TO ACCOMMODATE A FOUR BEDROOM RESIDENCE.
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 DATE: JUNE 27, 2000
INDIVIDUAL 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. 1957-00 BP NO. ] 3`6'27
OWNER: DAN AND TAMI SCHERER PHONE: 970-963- 6
MAILING ADDRESS: 0254 DEER RUN CARBONDALE, CO. 81623
APPLICANT: GALEN SMITH LAMOCHATTEE CUSTOM BUILDERS INC PHONE: A70-379-1349 CELL / 970-876-5564
SYSTEM LOCATION: 0118 RED ROCK RD., BASALT, CO 81621 TAX CEL NO 2465 104 01 004
LICENSED INSTALLER: RANDY HUGHES / HUGHES EXCAVATING L CENSE NO. 13-00 PHONE: 970-963-2004
DESIGN ENGINEER: HP GEOTECH / SOILS REPORT ONLY / PHONE NO. 970-945-7988
INSTALLATION HEREBY GRANTED FOR THE FOLLOWING: MINIMUM REQUIREMENTS FOR A 4 BEDROOM RESIDENCE
1250 GALLON CONCRETE, 2 COMPARTMENT TANK, 1500 SQUtjRE FEET OF ABSORPTION AREA VIA 48 INFILTRATOR UNITS AS REQUESTED.
SPECIAL REQUIREMENTS: INSTALL IN SERIAL DISTRIBUTIION/N TRENCHES, WITH A CLEAN -OUT BETWEEN THE TANK AND THE HOUSE, AND
INSPECTION PORTALS IN EACH TRENCH. DO NOT INSTALL. IN WET WEATHER, AND RAKE ALL TRENCH SURFACES TO PREVENT THE SMEARING OF
1
SOILS. CALL EAGLE COUNTY FOR FINAL INSPECTION PRIOR TO BACK -FILLING ANY PORTION OF THE INSTALLATION OR WITH ANY
QUESTIONS. BUILDING CERTIFICATE OF OCC PANCY WILL NOT BE ISSUED UNTIL THE SEPTIC SYSTEM HAS RECEIVED FINAL APPROVAL.
ENVIRONMENTAL HEALTH APPROVAL: i� c �'/l�/ DATE: MARCH 21, 2000
i
CONDITIONS:
1. ALL INSTALLATIONS MU§T COMPLY WITH ALL REQUIREMENTS OF THE EAGLE COUNTY INDIVIDUAL SEWAGE DISPOSAL SYSTEM REGULATIONS,
ADOPTED PURSUANT T AUTHORITY GRANTED IN 25-10-104, 1973, AS AMENDED.
2. THIS PERMIT IS VAL ONLY FOR CONNECTION TO STRUCTURES WHICH HAVE FULLY COMPLIED WITH COUNTY ZONING AND BUILDING
REQUIREMENTS. NNECTION TO, OR USE WITH ANY DWELLING OR STRUCTURE NOT APPROVED BY THE ZONING AND BUILDING DEPARTMENTS SHALL
AUTOMATIC Y BE A VIOLATION OF A REQUIREMENT OF THE PERMIT, AND WILL RESULT IN BOTH LEGAL ACTION AND REVOCATION OF THE PERMIT.
3. CHAPTER IV, CTION 4.03.29 REQUIRES ANY PERSON WHO CONSTRUCTS, ALTERS OR INSTALLS AN INDIVIDUAL SEWAGE DISPOSAL SYSTEM TO
BE LICENSE
FINAL APPR AL OF SYSTEM (TO BE COMPLETED BY INSPECTOR):
NO SY§39M SHALL BE DEEMED TO BE IN COMPLIANCE WITH THE EAGLE COUNTY INDIVIDUAL SEWAGE DISPOSAL SYSTEM REGULATIONS UNTIL THE
SYS IS APPROVED PRIOR TO COVERING ANY PORTION OF THE SYSTEM.
INSTALLED ABSORPTION OR DISPERSAL AREA: SQUARE FEET (VIA )
INSTALLED TANK: GALLONSISLOCATED DEGREES AND FEET INCHES
FROM
COMMENTS:
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 DATE:
Int;ompl.ete' Applications Will NOT Be Acceptea
(Site Plan MUST be attached) -
ISDS Permit 1 l 1. S 7J 06'
Building Permit I I. 0-2 1-7
APPLICATION FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT
ENVIRONMENTAL HEALTH OFFICE.— EAGLE COUNTY
P. O. BOX 179
EAGLE, CO 81631
328-8755/927-3823 (Basalt)
* PERMIT APPLICATION FEE $150.00 PERCOLATION TEST FEE.$200.00
* MAKE ALL REMITTANCE PAYABLE*.TO: "EAGLE COUNTY TREASURER"
PROPERTY OWNER: Dan and Tami Scherer
MAILING ADDRESS.- 0254 Deer Run, Carbondale CO 81623 PHONE: 963-1716
Galen Smith 379-1349 Cell
APPLICANT/CONTACT PERSON: Lamochattee Custom Builders, Inc. PHONE: R7h_F,�64
i3_0o 3114_2501
LICENSED SYSTEMS CONTRACTOR: R, H es - Lic #1�-00 • PHONE: 963-2004
COMPANY/DBA • Hughes Excavating ADDRESS • P 0 Box 606; Carbondale CO 81623
***************************************************************************
PERMIT APPLICATION IS FOR: (X) NEW INSTALLATION ( ) ALTERATION ( ) REPAIR
LOCATION OF PROPOSED INDIVIDUAL SEWAGE DISPOSAL SYSTEM:
Legal Description: 0118 Red Rock Road, Lot 4, Red Rock Ranch Subdivision, Basalt CO
• 1
Tait Parcel Number: 2465 104 Ol o-N Lot Size: 2.683 Acres
Physical Address: 0118 Red Rock Road, Lot 4, Basalt CO 81621
BUILDING TYPE:. (Check applicable category) •
K Residential/Single Family Number of Bedrooms
(.) Residential/Multi-Family* Number of Bedrooms
( ) Commercial/Industrial* Type
TYPE OF WATER SUPPLY:
(X) Well ( )
( .) Public Name
*These systems
(Check applicable category)
Spring ( ) Surface
of Supplier:
deli n by a Registered Professional -Engineer
SIGNATURE: Date:
AMOUNT PAID: RECEIPT #: qO1�, ) DATE: T
CHECK 1: 119 a 0 CASHIER:
Community Development Department
(970)328-8730
FAX (970) 328-7185
TDD (970) 328-8797
Email: eccmdeva@vail.net
http: //www.eagle-county.com
June 27, 2000
Dan and Tami Scherer
0254 Deer Run Blvd.
Carbondale, CO 81623
EAGLE COUNTY, COLORADO
Eagle County Building
P,Q. Box 179
500 Broadway
Eagle, Colorado 81631-0179
RE: Final of ISDS Permit #1957-00, Tax Parcel #2465-104-01-004. Property location: 0118
Red Rock Rd., Basalt, CO.
Dear Mr. & Mrs. Scherer:
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
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
Email: eccmdeva@vail.net
http: //www.eagle-county.com
DATE: March 21, 2000
EAGLE COUNTY, COLORADO
TO: Hughes Excavating
FROM: Environmental Health Division
Eagle County Building
P.O. Box 179
500 Broadway
Eagle, Colorado 81631-0179
RE: Issuance of Individual Sewage Disposal System Permit #1957-00, Tax Parcel
#2465-104-01-004. Property Location: 0118 Red Rock Rd, Basalt, CO., Scherer
property.
Enclosed is your ISDS Permit No. 1957-00. 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: If you have not been contracted to install this system
please contact Eagle County Environmental Health.
Also enclosed is the ISDS Final Inspection Completeness Form. The items on this form need
to be completed before you call for your final inspection. Also, please note any special
conditions which may have been placed on the permit. Do not back fill any part of the
installation until it has been inspected. If all items are not completed, a reinspection fee of
$42.50 must be paid before a reinspection is made.
Please call our office well in advance to allow for scheduling of final inspection. Your building
permit TCO will not be issued until final approval has been given for the ISDS Permit.
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
Enclosures: ISDS permit # 1957-00; ISDS Final Inspection Completeness Form
ISDS Permit # .5 - 6 Inspector
ISDS Final Inspection
Completeness Form
Tank is 12!LJ gal. Tank Material GWCk
Tank is located Zj ft. ancQOZLdegrees from
(permanent landmark)
Tank is located ft. and degrees from
(permanent landmark)
l� Tank set level. /Tank lids within 8" of finished grade.
Size of field ft2 �& units lineal ft. Technology A 1 �r► UVS
Cleanout is installed in between tank and house(+ 1/100ft).
DateA ,` O
_ /V "T" that goes down 14 inches in the inlet and outlet of the tank. Effluent filter on outlet- Yes or No
t/ Inlet and outlet is sealed with tar tape, rubber gas etc.
o/ Tank has two compartments with the larger compartment closest to the house.
Measure distance and relative direction to field. �(
+� Depth of field q ft.
L/ Soil interface raked.
Inspection portals at the end of each trench.
Proper distance to setbacks.
Chambers properly installed as per manufacturers specifications. (Chambers latched, end plates properly
installed, rocks removed from trenches, etc.)
✓Splash plate(s) installed at least in first trench inlet.
Type of pipe used for building sewer lingWl, leach fief S
V Other
✓Inspection meets requirements.
Copy form to installer's file if recommendations for improvement were suggested.
ACTION TAKEN:
Setbacks
Well Potable House Property Lake Dry Tank Drain
Water Lines line Stream Gulch
Field 100 25 20 10 50 25 10 10
Tank 50 10 5 10 50 10 * 10
PRODUCT 204-1(Single Sheets) 2n5.1(Padded) ®® Inc., Groton, Mass. 01471. To Order PHONE TOIL FREE 1-800-225.6380
ULf 17! JUJU U7. 74 _t 1 U7.: f 04QU
.u-i I Y,ll`J_.
rra1.1t Q_
.. November 24, 1999
Ilan Scherer
0254 Deer :Stun
Carbondale, Colorado 81623
Hepworth-Pawlak (:ttYtCd)nka1, Inc.
50,20 County Road 154
Glenwood 5prhtgs, Colorado 91501
Phone:970-945.7998
Fax:970-945-8454
hpgeo@hpgeot.ech.com
Job NO, 199 861
Subject: Subsoil Study for Foundation Design and Percolation Testing, Proposed
Residence, Lot 4, Red Rock Ranch, Eagle County, Colorado.
Dear Mr. Scherer:
As requested, Hepworth-Pawlak Geotechnical, Inc. performed a subsoil study and
percolation testing for foundation and septic disposal system designs at the subject site.
The study was conducted in accordance with our agreetnent for geotech ical
engineering services to you dated November. 2, 1999. Die data obtained and our
reC.olurnendations based on the proposed construction and subsurface conditions
encountered axe presented in this report.
Proposed Construction: The proposed residence will be a two story structw e over a
basement level located on the site as shown on Fig. 1. A barn may also he coar.strueted.
Cut depths for the residence are expected to range between about 4 to 10 feet.
Foundation loadings for this type of construction are assumed to be relatively light and
typical of the proposed type of construction. An on -site septic disposal system is
planned to the north of the residence.
If building conditions or foundation loadings are significantly different from those
described above, we should be notified to reevaluate the -recommendations presented in
this report;
Site Conditions: The site is vacant and located along the southwest side of RFA Rock
Road. The ground surface in the building area is relatively flat with a Might slope drown
to the north-northwest becoming moderately steep down to the road. The lot is
vegetated with grass and a few small aspens. The site was previously Irrigated pasture
land. There are irrigation ditches in the area primarily along the northeast and
southwest property boundaries_ The southwest ditch was flowing at the time of our
field work.
Subsurface Conditions: The subsurface conditions at the site were evaluated by
drilling 3 exploratory borings in the proposed building areas and a profile boring i.a the
septic disposal area at'the approximate locations shown on Pig. 1.. The logs of the
borings are presented on Fig. 2. The subsoils encountered, below about % to I. foot of
topsoil and Wl to about 31/2 feet of stiff sandy clay, com.sist.d of mostly gravel and
cobbles in a silty sand matrix extending to the maximma depth investigated of 1.1 feet.
Results of swell -consolidation testing performed on a relatively undisturbed sample of
the sandy clay soil, presented on Fig- 4, indicate a high expansion potential when
VL: 1:J! L.VUIJ GJ=. JY 71U7L7040r7 wcair�ira� r'FS�L" J3
Dan Scherer
November 24, 1999
Page 2
wetted under a constant light load. No free water was encountered in the borings at the
tirne of drilling or when checked 1 day later. The subsoils were slightly moist.
Foundation Recommendations: Comidering the subsoil conditions encountered in the .
exploratory boxiDgs and the naturc of the proposed constructica, we recommend spread
footings placed on the undisturbed natural gravel and cobble soils designed for an
allowable bearing pressure of 3,OM psf for support of the proposed building. The clay
soils are expansive and should be removed below all building areas. Footings should be
a minimum width of 16 inches f�)T continuous walls and 2 feet for columns. All topsoil,
clay and loose or disturbed soils encountered within the excavation should be removed
and the footing bearing level extended down to the undisturbed natural gravel soils.
Exterior footings should be provided with adequate cover above their beating 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 12
feet. Foundation walls acting as retaining structures should also be designed to resist a
lateral earth pressure based on an equivalent fluid unit weight of at least 45 pef for the
on -site gravel soils as backfill. The expansive clay should not be used as wall backfill.
Floor Slabs: The nawval on -site gravel soils, exclusive of clay and topsoil, are suitable
to support lightly to Moderately loaded slab -on -grade construction. The clays are
expansive and should be removed from below building slabs, 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 eitperlence 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 coutenf near optimum. Required fill
can consist of the on -site gravels devoid of vegetation, topsoil, clay and oversized
rocks.
Uaderdrain System: Although free water was not encountered during our exploration,
it has been our experience in the area that local perched groundwater can develop
during times of heavy precipitation, irrigation or seasonal runoff. Frozen ground
during spring runoff can also create a perched condition. We recommend below -grade
construction, such as retaining walls and basement areas, be protected from wetting and
H-P GEOTECH
QZ-1 d-UUU VZ. 14 j?UJ.4 140U Ul,"iK11V1-1 HAIV E U4
Dan Scherer
November 24, 1999
Page 3
hydrostatic pressure buildup by an underdrain system.
The drains should consist of drainpipe placed in the bottom of the v,all backfll
surrounded above the invert level with free -{training granular material. The drain
should be placed at each level of excavation and at ;east 1 foot below lowest adjacent
finish grade and sloped at a minimum I % to a drywell or other 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
maximum size of 2 inches. The drain gravel backfill should be at least I /2 feet deep.
Surface Drainage: The following drainage precautions should be observed during
construction and maintained at all times after the residence and barn have been
completed:
1) Inundation of the foundation, excavations and underslab areas should be
avoided during construction.
2) Exterior baafill shoul.(i be atlj�asteci iz� near opt.i_rttu:m rttc� ,,hire a►��i.
compacted to at least 95 ib 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.
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 na immmn slope of 6 inches ir, the first 10 feet in unpaved
areas Emd a minimr = slope of 3 Wghrs in ilia first 10 .feet in. pavemffa
and walkway areas,
4) Roof downspouts and drains should discharge well beyond the limits of
all backftli.
Percolation Testing: Percolation tests were conducted on November 9, 19!-19 to
evaluate the feasibility of an infiltration septic disposal system at the site. Ono prof -He
boring and three percolation holes were drilled at the locations shown ou Fig. 1. The
test holes drilled using a six inch diameter auger and were soaked with water one day
prior to testing. The percolation test holes were covered, with insulation overnight to
prevent freezing. The soils exposed in the percolation holes are similar to thelse
exposed in the Profile Boring shown oa Fig. 2 and consist of gravel and cobbles i1a a
silty sand matrix with no free water encountered to the drilled depth of 9 feet.
The percolation test results, presented in 'fable IT, indicate. percolation rates of,.1-011T
minutes per inch. Based ou the subsurface conditions erkcouwered and the percolation
test results, the tested area should be suitable for a conventional infiltration septic
disposal system. The system should be based in the gravel soils. Flood irrigation
should be restricted from the seepage field area.
H-P (3earrcH
U7:'J4 Jf U'JZ 104bU WAIKINb PAGE 05
Dan Scherer
November 24, 1999
Page 4
Limitations: This study has been conducted in accordance with E.enerally accepted
geotechnical engineering principles and practices is this area at this time. We make no
warranty either expressed or implied., The conclusions and recommendations submitled
in this report are based upon the data obtained from, the exploratory borings drilled at
tlae locations indicated on Fig, 1, the proposed type of constr°oction and our experience
in the area. Om fwdings include interpolation and extrapolation. of the subsurface
conditions identified at the exploratory borings and variations inthe 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 uaade.
This report has been prepared for the exclusive use by our client for design purposes,
We arA- not responsible for technical interpretations by others of our information. As
the project evolves, we should provide continued consultation ar.d field services during
construction to review and monitor the implementation of our recommendations, and to
verify that-tbt recommendations have been appropriately interpreted_ Significant design
changes may require additional analysis or modifications to the recomniendatiorns
presented herein. We recommend on -site observation of excavations and foundation
bearing strata and testing of structural till by a representative of the geotechrucal
engineer.
If you have any questions or if we may be. of further assistance, please let us k-,x►w.
Sincerely,
HEPWO. - P "J�,EOTECHNTCAL, INC.
%
David A. Yong . P.E.
r p s 32-216 ? lA'.'
Reviewed 13y,F `1.3u �i`�-1,4.�
ON
►et telatt`,
Daniel E. Har in., P.E.
LIMA/sd/rso
attachments
M. JW Watkins Associates - Aaw John Watkins
--��� H-P("iEO7ECH
►J1J 15J �E��t7 U7 ;: b4 '3 7by2784bkl WATKINS PAGE 6b
02/15/2030 09* 54 9709278460 WATKINS PAGE 07
LEGEND:
Topsoil; ,silty sandy clay, with scattered gravel, stiff, slightly moist, dark brown, organic.
Cloy ( CL ; windy, scattered gravel, stiff, slightly moist. dark brown to brown, medium to high
)
plasticity.
• ? Gravel and Cobbles (GP —GM); with acattered small boulders, in a slightly silty sand motrix, dense,
slightly moist. brown, rocks are subrounded to rounded.
Relatively undisturbed drive sample; 2—inch I.D. California liner 3arnple.
Drive sample; standard penetration test ( SPT ). 1 3/8--inch 1.0. split spoon sample. ASTM D — 1566.
22J12 Drive sample, blow count; indicates that 22 blows of o 140--pound hammer falling 30 inches were
required to drive the California or SPT sampler 12 Inches.
Practical drilling refusal. Where shown above bottom of log. indicates that muitiple attempts
Twere made to advance the boring.
`' Depth boring caved when measured on November 9, 1999.
NOTES:
1. Exploratory borings were drilled on November 8, 1999 with u 3-Ankh diameter continuous flight power auger
2. Locations of exploratory borings were measured approximately by pacing from features shown
on the site plan provided.
3. Elevations of exploratory bori!tgs were obtained by using a hind level. Boring i was us¢d as a benchmark
with an assumed elevation of 100 feet. ;.ogs of exploratory tracings are drawn to dapth.
4. The exploratory boring locations and elevations should be considered accurate only to the degree irr,plied
by the method used.
5. The lines t�atween materials shown on the exploratory boring logs represent the approximate boundaries
between material types and transitions may be gradual.
5. No free water was encountered in the borings at the time of drilling or when checked 1 day later.
F1t:ctuati6n in water level may occur with time.
7, Laboratory Testing Results:
WC Water Content ( X }
DD = Dry Density ( pcf )
—200 — Percent passing No. 200 sieve.
LL = Liquid Limit ( % )
PI Plasticity Index (x )
799 861 HEPWORI`H -' PAWLAK LEGEND AND NCYTESI F
Fig. 3
GEOTECHNIGAL. INC
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HEPWORTH-PAWLAK GEOTECHNICAL, INC.
TABLE i1
PERCOLATION TEST RESULTS
JOB
NO. 1939 861
BOLE 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
(MINANCH
P-1
33
15
l
24
22
2
30
22t1
112
1 1 /2
20 112
19 1r2
1
19 112
18 112
18 112
17 3/4
314
17 3/4
17
314
17
16 112
112
16 112
16
112
P•2
P-3.
21 112
(caved and
unable to
remove Cobble
from bottom!
35 314
15
15
12 112
30
30
9
8
1
8
7
I
7
6 114
3/4
6 114
5 112
314
5 1/2
4 3)4
314
4 3/4
4 114
112
4 11A
19
3 314
16 314
1/2
2 114
16 314
15 114
1 112
15 114
14 1142
314
14 112
13 112
1
13 112
12 112
1
12 1/2
11 X4
314
11 314
11 114
112
11 1/4
10 314
112
Note, Percolation test holes were drilled with a six inch dlameter auger and snaked on Novernber 8, 1999. The percolation
test holes were protected from freezing overnight, Percolation tgrm performed on Now-mber 9, 1999 by Heovrorth-
Pewlak Geotechnical, Inc. Percolation razes were obtained by averaging the last two readings at each teat site.
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Lot #4, Red Rock Ranch SCHERER
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