HomeMy WebLinkAbout152 Escalante - 239127302012INDIVIDUAL 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. ALTERATION PERMIT NO. 1809-98 BP NO. 12093
OWNER: GARY & JUDY RUBIN PHONE: 970-963-9531
MAILING ADDRESS: 0152 ESCALANTE RD., CARBONDALE, CO 81623
APPLICANT: LATHROP STRANG, HARRY TEAGUE ARCHITECTS PHONE: 970-925-2556
SYSTEM LOCATION: 0152 ESCALANTE RD., CARBONDALE, CO TAX PARCEL NO. 2391-273-02-012
LICENSED INSTALLER: ASPEN DIGGERS, FRANZ STONE LICENSE NO. 11-98 PHONE: 970-927-9357
DESIGN ENGINEER: PHONE NO.
INSTALLATION HEREBY GRANTED FOR THE FOLLOWING:
1000 GALLON EXISTING SEPTIC TANK 695 TOTAL SQUARE FEET OF ABSORPTION AREA VIA 8 ADDITIONAL INFILTRATOR UNITS AS RE —
OUSTED BY ARCHITECT.
SPECIAL REQUIREMENTS: CONNECT ADDITIONAL INFILTRATOR TRENCH AT THE END OF THE EXISTING TRENCH TO SERIALLY DISTRIB—
UTE THE EFFLUENT. INSTALL AN INSPECTION PORT IN THE NEW TRENCH. CALL EAGLE COUNTY FOR FINAL INSPECTION PRIOR TO BACK
FILLING ANY PART OF THE INSTALLATION, OR WITH ANY QUESTIONS REGARDING INSTALLATION. BUILDING CERTIFICATE OF OCCU—
PANCY WILL NOT BE ISSUED WITHOUT SEP,TIIC� SYSTEM APPROVAL.
ENVIRONMENTAL HEALTH APPROVAL: 1si DATE: JULY 23, 1998
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: 372 ADDITIONAL SQUAREFEET(VIA12 TNFTT,TRATOR TTNTTS )
INSTALLED TANK: GALLONS IS LOCATED DEGREES AND FEET FROM
COMMENTS: TOTAL ABSORPTION AREA IS 837 SQUARE FT VIA 27 INFILTRATOR UNITS. ENGINEER
CERTIFICATION RECEIVED FROM CFfTTRCH & ASS(1('.TATFC9 ROGER SHAFER, P_F_ TNSTAT.T.ATTON WAS
COMPLETED BY STUTSMAN/GERBAZ EXCAVATION.
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 19, 1 9 9 9
.SENT BY: 7-17-98 ; 14:01 XommunityDevelopment 3039257981;# 2/ 6
(Site Plan MUST.be attached)
ISDS Permit jo
APPLICATION,POR INDIVIDUAL SEWAGE DISPOSAL SYOTEN 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
_*
* M1 CE ALL REMITTANCE PAYABLE TO: "EAGLE COUNTY TREASURER"
PROPERTY OWNER: ��e� ��y 17 Y �y $1_!'1___ PRONE : `�7 0 r'l 63 q' r 31
MAILING, ADDRESS: ,E>IG ? G�G�Vi�NT� Q_a7. GP�2C�aoN Pcl.�, moo. S1 623
APPLICANT/ CONTACT PERSON: I-AcT R F-6 ? ST F-Ato & PHONE: A 70 92. 5 • Z S 5 (o
MAILING ADDRESS: 4(Z _,Aj. lLC. S�-• '�� 61
LICENSEDISDS CONTRACTOR: P<<ia#.A^ -oj-5-,-,r S PHONE: Z1-et r. 7
COMPANY/DBA: ADDRESS: C)G Zia Cj}.ew2 2d. eMVINA, Lo•
PERMIT APPLICATION IS FOR: ( ) New Installation Alteration ( ) Repair
LOCATION.OF PROPOSED INDIVIDUAL SEWAGE DISPOSAL SYSTEM:
Building Permit # (if known)
Legal Description: Subdivision: �i alG Filing:,LBlock: of No.1�
jk
Tax Parcel Number: Lot Size•
Street Address: _ O l Z � 4q N?n�- (�'-i) C �6Z.�oN�4� (1r, $ (6 i
�n1�SSov2r N-i c�:�-r-s�
tkk�kak•t�IrIrakdlt�pk�teIrkek+k k*�dk�kik*vk�Fotckait*'9t�sieye #k�1�*it�FlYak'ii7Y'A**klekk7ltie+ki:�4*�k#stiekai�r****��i*
BUILDING TYPE: (Check applicable category) �
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: AfteE/V MEN P4 JEFr l"krJ�- pwNE -S
*These systems require des'gn by a Registered Professional Engineer
SIGNATURE: (f ate• - I7
�k�kIr�kdeIre4k�.**4***#*#akah kArvt*1k�tyl�kk 9ciir. �ieA*ie,i7e�l��Ir9rk�Ir�Irit�kakie�F�44aiie�k4e#ikie�rstik+k�*�k*�kalC�r
.4
TO BE COMPLETED B T E OUNTY
AMOUNT PAID: _ RECEIPT #: DATE:
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
June 15, 1999
Gary & Judy Rubin
0152 Escalante Rd.
Carbondale, CO 81623
Eagle County Building
P.O. Box 179
500 Broadway
Eagle, Colorado 81631-0179
RE: Final of ISDS Repair Permit #1809-98, Tax Parcel #2391-273-02-012. Property
location: 0152 Escalante Rd., Carbondale, CO.
Dear Mr. and Mrs. Rubin:
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.
i
erely,
--
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
EAGLE COUNTY, COLORADO
DATE: July 23, 1998
TO: Aspen Diggers
Eagle County Building
P.O. Box 179
500 Broadway
Eagle, Colorado 81631-0179
FROM: Environmental Health Division
RE: Issuance of Individual Sewage Disposal System Alteration Permit No. 1809-98,
Tax Parcel #2391-273-02-012. Property Location: 0152 Escalante Rd.,
Carbondale, CO., Rubin residence.
Enclosed is your ISDS Permit No. 1809-98. 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.
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. 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 sr xifications 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 # 1809-98; ISDS Final Inspection Completeness Form
Community Development Department
(970) 328-8730
FAX (970) 328,7195
TDD (970) 328-8797
Email: eccmdeva@vail.net
http: //www.eagle-county.com
EAGLE COUNTY, COLORADO
May 12, 1999
Charles M.ontover
Stutsman-Gerbaz Inc.
30376 Hwy 82
Snowmass, CO 81654
Eagle County Building
P.O. Box 179
500 Broadway
Eagle, Colorado 81631-0179
RE: Septic system installation at the Rubin property, 0152 Escalante Rd., Carbondale, CO.,
ISDS Permit #1809-99.
It has come to our attention, that you have installed an Individual Sewage Disposal System
(ISDS) on the above referenced property. This particular ISDS had not been issued to your
company for alteration/construction, before construction had begun. Our records indicate that
Franz Stone of Aspen Diggers had been issued the permit. Our office had not been notified that a
different installer had been chosen for the installation.
4.03.29, Eagle County Land Use Regulations states: "Any person who commits any of the
following acts or violates any of the provisions of this Article commits a Class I Petty Offense as
defined in Section 18-1-107, C.R.S. 1973 as amended:
1. Constructs, alters, installs, or permits the use of any individual sewage disposal
system without first having applied for and received a permit as provided in these Regulations.
In addition, a final inspection of the installation was never requested of, or performed by, Eagle
County Environmental Health. Therefor, certification of the installation must be provided by a
Registered Professional Engineer before the Building Department issues a Certificate of
Occupancy for the remodeled portion of the residence.
Consider this your only warning. Any further violations will be turned over to the attorney's
office for civil and/or criminal proceedings. If you have any questions, feel free to call me at
328-8755.
Sincerel
Raym er RE
Environmental Health ivision Manager
cc: Keith Montag, Community Development Director
James R. Fritze, Eagle County Attorney
AcQru'-iatac
ENGINEERS & GEOLOGISTS
June 9, 1999
Stutzman Gerbaz Earthmoving Contractors, Inc.
ATTN: Jeff Gerbaz
30376 State Highway 82
Snowmass, CO 81654
Subject: Onsite Wastewater System
502 Escalante Drive
Missouri Heights Subdivision
Eagle County, Colorado
Job No. 11111
Gentlemen:
As requested, we observed the installation of the onsite wastewater system (OWS) upgrade for the
subject site on May 20, 1999. The upgrade was performed under the Individual Sewage Disposal
(ISDS) Permit #1809-98.
The upgraded portion of the OWS consisted of one section of 12 Infiltrator - units installed at a depth
of 36 inches, and an observation pipe. We understand the installed trench was connected to the
existing serial distribution system.
The components of the OWS appeared to be installed in general conformance with the ISDS permit.
Our installation observations do not imply a guarantee or warranty of materials or workmanship.
If you have any questions or if we can be of further service, please call.
Sincerely,
CHURCH & Associates,
a ;.;� J sy,
1
�I
29008
i I�
Roger J. Shafer, P.E.,°�a
9 1
NAL
RJS/trp
2 copies sent
copy to Eagle County Health Department
DENVER 4501 Wadsworth Boulevard Wheat Ridge, CO 80033 CASTLE ROCK 303.660.4358
303.463.9317 Fax:303.463.9321 EVERGREEN 303.816.1455
N A R R Y T E A G U E A R C H I T E C T 8
22 July 1998
Eagle County
Environmental Health
Att.: Janet
Re; Rubin Addition
0152 Escalante Rd.
Carbondale CO.
To whom it may concern:
I am writing to confirm that the existing house is indeed a two (2) bedroom house and
that we ue adding a one (1) bedroom addition to it with respect to the sizing of the
addition to the existing septic system.. The existing house has a small office upstairs in
addition to the two bedrooms. The office has no egress windows and a built-in bench in
the space under the eave, The storage closet is used for general household storage.
'itv'AG
ours,
anARCH
Tw
419 N. MILL STREET ASPEN40 81611.15Q8 Tl L (WO) 9294066 FAX (970) M.7981 email hte 8 rof.not
z ' d 3nOb31 A6 JbH Wd9 E : Z0 86, z2 nnr
William Carlson Rubin residence BP under review Page 1
From:
Ray Merry
To:
William. Carlson
Date:
6/11/02 4:24PM
Subject:
Rubin residence - BP under review
During your building permit review today you came across BP 14286 and flagged it for an alteration
permit. The building ISDS was originally built in 1998 and it appears that the ISDS was engineered by
Ed Church.
The architect, Brad Zygle (970) 963-6760, called asking for direction. Since I talked to him, I thought I'd
share what we discussed. He said that after the addition, three bedrooms would exist. He also mentioned
a room with a closet that may be construed by our building Division as a bedroom and that he would be
taking the closet out of that room to avoid that call. I told him that we'd need to check the ISDS file to
determine whether any modification would need to occur to the system and if so, it would need to be
engineered. I also said that you'd call him after your research, hopefully tomorrow. Thanks!
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- 41809-98 Tax #2391-273-02-012
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INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT
EAGLE COUNTY DEPARTMENT OF ENVIRONMENTAL HEALTH
P.O. Box 179 - 550 Broadway • Eagle, Colorado 81631
Telephone: 328-7311 or 949-5257 or 927-3823
YELLOW COPY OF PERMIT MUST BE POSTED AT INSTALLATION SITE. PERMIT NO. 1-1 '0,6
Please call for final inspection before covering any portion of installed system.
OWNER, Terri Wischhoefer PHONE: 927-4240
MAILING ADDRESS: Box 1288, Aspen, CO 81612
AGENT: PHONE:
SYSTEMLOCATION: Aspen Mesa Estates, Lot 14, Filing 1 Escalante St, Carbondale
LICENSED INSTALLER: Lael Hughes LICENSE NO. 00-91
DESIGN ENGINEER OF SYSTEM:
INSTALLATION IS HEREBY GRANTED FOR THE FOLLOWING:
750 GALLON SEPTIC TANK OR GALLON AERATED TREATMENT UNIT.
DISPERSAL AREA REQUIREMENTS:
SQUARE FEET OF SEEPAGE BED 462 SQUARE FEET OF TRENCH BOTTOM.
SPECIAL REQUIREMENTS: Requesting 15 infiltrators With inspection portals in each
trench.
ENVIRONMENTAL HEALTH OFFICER: DATE: 11 / 2 5 / 91
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, C.R.S. 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 CAUSE FOR BOTH
LEGAL ACTION AND REVOCATION OF THE PERMIT.
3. SECTION Ill, 3.21 REQUIRES ANY PERSON WHO CONSTRUCTS, ALTERS OR INSTALLS AN INDIVIDUAL SEWAGE DISPOSAL SYSTEM
TO BE LICENSED ACCORDING TO THE REGULATIONS.
FINAL APPROVAL OF SYSTEM: (TO BE COMPLETED BY INSPECTOR):
NO SYSTEM SHALL BE DEEMED TO BE IN COMLIANCE 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: Tv"V��.pp
�6 SQUARE FEET.
INSTALLED S EPTIC TANK: IDDO GALLONS W DEGREES 240 FEET Afm Nw cat -me, -
SEPTIC TANK CLEANOUT TO WITHIN 8" OF FINAL GRADE, OR: \,
PROPER MATERIALS AND ASSEMBLY • YES NO
COMPLIANCE WITH COUNTY/STATE REGULATION REQUIREMENTS: YES NO
ANY ITEM CHECKED NO REQUIRES CORRECTION BEFORE FINAL APPROVAL OF SYSTEM IS MADE. ARRANGE A RE -INSPECTION WHEN WORK IS COMPLETED.
COMMENTS:
ENVIRONMENTAL HEALTH OFFICER: DATE: 1,2 - 9- 9/
ENVIRONMENTAL HEALTH OFFICER: DATE:
(RE -INSPECTION IF NECESSARY)
RETAIN WITH RECEIPT RECORDS PERMIT
APPLICANT/AGENT:
OWNER:
AMOUNT PAID: RECEIPT #: CHECK #: CASHIER:
ISDS Permit r/o
Building Permit #
APPLICATION FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT
ENVIRONMENTAL HEALTH OFFICE- EAGLE COUNTY
P.O. BOX 179
EAGLE, CO 81631
328-8730/927-3823(Basalt)
PERMIT APPLICATION FEE $150.00 PERCOLATION TEST FEE $125.00
PROPERTY OWNER: le
-
Anne- Acme- ya7-`�2'0
MAILING ADDRESS: PA Box 12-8� /Levi CC) 816/Z PHONE:
APPLICANT/CONTACT PERSONPHONE: ;
LICENSED SYSTEMS CONTRACTOR: I1w- A,,T VP 14111A � In r .e
ADDRESS:
el,Q- t7<
PHONE: cK. Zt 11-;34I
PERMIT APPLICATION IS FOR: (V NEW INSTALLATION ( ) ALTERATION ( ) REPAIR
LOCATION OF PROPOSED INDIVIDUAL SEWAGE DISPOSAL SYSTEM:
Legal Description: Awn Es*-tu , L-of 14, Ff/;,,a Z
Parcel Number: 9f _ -273 _ 07 _ p1 Z of size:
Physical Address: Csra /,.k Sf- . -sArn�,, P9 . 00
BUILDING TY (Check applicable category)
(vResidential / Single Family Number of Bedrooms Z
-( ) Residential / Multi -Family* Number of Bedrooms
( ) Commercial / Industrial* Type
HOT TUB Yes ( No v
WATER CONSERVATION PLAN: Yes (V) No ( )
TYPE OF WATER SUPPLY: Well(/) Spring ( ) Surface ( )
Public ( } Name of Supplier:
Give depthof all wells within 200 feet of system: ��ne
�Cana►�un i7' rnta sY s )
i g1
*These systems require des gn by a Re stered Professional Engineer
NOTE: SITE PLAN MUST BE ATTACHED TO APPLICATION
MAKE ALL REMITTANCE PAYABLE TO: "EAGLE COUNTY TREASURER"
SIGNATURE:
AMOUNT PAID: ���RECEIPT##��
CHECK ## 12�21�
TIME LOG
Travel Perc Final
DATE:
DATE:
CASHIER: �v '
COMMUNITY DEVELOPMENT
DEPARTMENT
(303) 32 8.87 30
EAGLE COUNTY, COLORADO
December 10, 1991
Mr. Terri Wischhoefer
Box 1288
Aspen, CO 81612
RE: Final of ISDS Permit No. 1106
Dear Mr. Wischhoefer:
725 CHAMBERS AVE,
P.O. BOX 179
EAGLE, COLORADO 81631
FAX (303) 328.7207
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. Also enclosed are informational sheets
regarding the care of your septic system.
If you have any questions regarding this permit, please contact
the Eagle County Environmental Health Division, P.O. Box 179,
Eagle, Colorado 81631. We can also be reached, depending on your
calling area, at the following numbers: Eagle Valley 328-8730;
Basalt/El Jebel 927-3823.
Sincerely,
C. Kelley 'Carhart
Office Assistant
ckc
Encl: Information Sheets
Final ISDS Permit
cc: Chrono File
avimsms"WElft
Building Permit File
COMMUNITY DEVELOPMENT
DEPARTMENT
(303) 328-8730
EAGLE COUNTY, COLORADO
November 25, 1991
Mr. Terri Wischhoefer
Box 1288
Aspen, CO 81612
725 CHAMBERS AVE.
P.O. BOX 179
EAGLE, COLORADO 81631
FAX (303) 328.7207
RE: Issuance of Individual Sewage Disposal System Permit
No. 1106
Dear Mr. Wischhoefer:
Enclosed is your ISDS Permit No. 1106. The enclosed copy of the
permit must be posted at the installation site. You must call
our office for final inspection before covering any portion of
the installed system; the deadline for final inspections is
December 1.
If you have any questions, please feel free to contact us at the
following numbers depending on your calling area: Eagle Valley
328-8730; Basalt/El Jebel 927-3823, ext. 730.
Sincerely,
Roger Boyd
Environmental Health Assistant
Community Development
RB:ckc
Enclosure
cc: ISDS File
CTL/THOMPSON, INC.
CONSULTING GEOTECHNICAL AND MATERIALS ENGINEERS
'7 '7- q ZLtc)
wm!, /—goo--qZ6-737R
SOILS AND FOUNDATION INVESTIGATION
WISCHHOEFFER RESIDENCE
ESCALANTE DRIVE
MISSOURI HEIGHTS
EAGLE COUNTY, COLORADO
Prepared For:
Harry Teague Architects
412 N. Mill Street
Aspen, Colorado 81611
Job No. 17796
RECEIVED
J U N 6 1991
RECEIVED
OCT 04J19916 1991
EAGLE COUNTY
COMMUNITY DEVELOPMENT
234CENTERDRIVE - GLENWOOD SPRINGS, COLORADO 81601 • (303)945-2809
TABLE OF CONTENTS
SCOPE..........................................................:. 1
SUMMARY OF CONCLUSIONS 1
j SITE CONDITIONS ...................................... 1
I
PROPOSED CONSTRUCTION .............................................. 2
i
SUBSURFACE CONDITIONS
RESIDENCE FOUNDATION ................................................ 3
FLOOR SLABS AND EXTERIOR CONCRETE ................................... 4
SURFACE DRAINAGE 5
LIMITATIONS........................................................... 5
FIG. 1 LOCATIONS OF EXPLORATORY BORINGS
FIG. 2 SUMMARY LOGS OF EXPLORATORY BORINGS
FIG. 3 - GRADATION TEST RESULTS
TABLE 1 - SUMMARY OF LABORATORY TEST RESULTS
SCOPE
This report presents the results of our soils and foundation investigation for the
proposed Wischhoeffer Residence on Escalante Drive in the Missouri Heights area in
Eagle County, Colorado. We explored the subsurface conditions at the site to provide
foundation recommendations for the residence. This report includes a description of the
subsurface conditions found in our exploratory borings and test pits, a recommended
foundation for the residences and geotechnical design and recommended construction
criteria for details influenced by the subsoils. Our report was prepared from data
developed during our field exploration, laboratory testing, engineering analysis and our
experience with similar conditions. A summary of our conclusions is presented below.
SUMMARY OF CONCLUSIONS
1. Our borings and test pit penetrated one foot of "topsoil' underlain by stiff
to very stiff sandy clays with gravels, cobbles and boulders with some thin
sand lenses. Drilling refusal was encountered on cobbles or boulders.
2. No free ground water was found in our borings at the time of drilling.
3. In our opinion the residence can be founded with spread footings bearing
on the natural soils. A maximum soil bearing pressure of 2,500 psf is
recommended to size footings.
4. Slab -on -grade floors on the natural soils should experience only limited
movement if moisture change in the subsoils is minimized.
5. Good surface drainage is very important. Surface drainage should be
maintained at all times to reduce the risk of wetting soils below
foundations.
SITE CONDITIONS
The Missouri Heights area is on the west and south facing slopes of the Roaring
Fork Valley above El Jebel, Colorado The area consists of single family residences
The subject lot is on the top of a mesa. Moderately steep slopes visually
estimated at 10 to 20 percent were at the south and western extremes of the property
and beyond Escalante Drive. Gently rolling hills were to the north and east. A two story
residence with a walkout basement had been built on the lot to the east. Vegetation
consisted of cedar and pinon trees, sage and other native grasses and weeds. Basalt
boulders were on the ground surface. throughout the site.
PROPOSED CONSTRUCTION
A single family residence will be constructed at the site. No plans had been
formulated at this writing. We understand the home will be a one story tall, wood frame
building with no basement. The foundation loads we assumed for our analysis were
between 1,000 and 3,000 pounds per linear foot. We should be informed if the actual
construction is different than described above.
SUBSURFACE CONDITIONS
Two (2) exploratory borings and one (1) test pit were drilled and excavated with
a 4-inch diameter continuous flight power auger or a backhoe at the locations shown on
Fig. 1 to investigate subsurface conditions. Drilling and excavation was directed by our
personnel who logged the soils and obtained samples. Summary logs of the soils found
in our borings and test pit and results of field penetration resistance tests are shown on
Fig. 2 and data from laboratory testing on Fig. 3.
Our test holes and test pit penetrated up to two feet of "topsoil" overlying 2 to 11.5
feet of sandy clays with gravels, cobbles and boulders with some thin clayey sand lenses.
Drilling refusal was encountered on cobbles or boulders at 6.5 to 12.5 feet. No free
ground water was found at the time of drilling.
2
a
Laboratory testing to verify field classifications were performed on a sample
obtained from the test pit on April 29, 1991 prior to our drilling operations. A liquid limit
of 47 percent, plastic index of 5 percent and 31 percent silt and clay size particles
(passing the No. 200 Sieve) were determined (Figure 3).
RESIDENCE FOUNDATION
At footing depths (approximately 3 feet) we found sandy clays with gravels,
cobbles and boulders. We recommend founding the residence with footings bearing on
the natural soils.
We have assumed a light structure that is sufficiently flexible to withstand some
differential movement will be built. The recommended maximum soil pressure suggested
below should result in total settlements on the order of 1-inch. Maximum differential
settlement between interior columns and footings may be one half of the actual total
settlement. We further anticipate a maximum 1/2-half inch differential settlement in 15 feet
for continuous footings. The risk of excessive differential or localized settlement can be
reduced by careful attention to drainage precautions discussed under "Surface Drainage".
The residence can be founded with spread footings designed and constructed using the
following criteria:
1. Spread footings should bear on natural soils. Loose soils at footing
elevations should be removed or compacted prior to placing concrete or
structural fill;
2. Footings bearing on the natural gravels can be designed for a maximum
soil bearing pressure of 2,500 psf;
3. Foundation walls for continuous footings should be well reinforced top and
bottom to span undisclosed soft pockets in the subsoils. We recommend,
as a minimum, reinforcement necessary for a simple span of 15 feet or two
continuous No. 5 bars in the top and bottom of all foundation walls,
3
a
whichever is greater;
4. -Minimum footing sizes are desirable: We suggest a minimum width of 16
inches for continuous footings and 2 feet by 2 feet for isolated column
pads. Greater sizes may. be required depending on the structural loads;
5. The soil beneath exterior footings should be protected from freezing. The
depth normally assumed for frost protection in the Basalt area is 3 feet.
FLOOR SLABS AND EXTERIOR CONCRETE
We anticipate the excavation will expose sandy clays with gravels, cobbles and
boulders. We believe the natural soils will support slab -on -grade floors with minimum slab
movement if moisture content changes increases in the subsoils is minimized. Exterior
concrete flatwork is usually placed on grade.
floors;
We recommend the following design and construction details for slab -on -grade
1. Slabs -on -grade should be placed on the natural soils. Voids created from
the removal of boulders and cobbles should be filled with compacted
natural soils or concrete;
2. Slabs should be separated from exterior walls and interior bearing
members. Vertical movement of the slabs should not be restricted;
3. Plumbing below the slabs should be pressure tested. Trench backfill
should be moisture treated and compacted to at least 95 percent of the
standard Proctor maximum dry density (ASTM D 698);
4. Frequent control joints should be provided. The American Concrete
Institute (ACI) recommends maximum, joint spacing of 15 to 20 feet to
control cracking.
The above precautions will not prevent movement of the slabs in the event the clays
become wet, they tend to reduce potential damage if movement occurs.
SURFACE DRAINAGE
The performance of foundations and concrete flatwork is influenced by the
4
0
moisture conditions in the subsoils. The risk of wetting foundation soils can be reduced
by planned and maintained surface drainage. Wetting or drying of the open foundation
excavation should be avoided. The ground surface surrounding the residence should be
sloped to drain away from the residence in all directions. We recommend a slope of at
least 12 'inches in the first 10 feet. , Backfill of the foundation walls should be moistened
and compacted. Roof downspouts and drains should discharge well beyond the limits
of all backfill. Splash blocks or downspouts should be provided at all downspout
discharge points. The topography and vegetation on this lot lends itself to minimum
landscaping and the use of native vegetation in landscaped areas. From a geotechnical
viewpoint it is advantageous to landscape with native vegetation because irrigation is not
required. We recommend minimum landscaping and landscaping with native flora.
LIMITATIONS
Our borings were spaced to obtain a reasonably accurate picture of the
subsurface. Variations in the subsurface conditions not indicated by our borings is
always possible. We should observe the completed excavation to confirm the soils are
as anticipated from our borings.
Our report was based on conditions disclosed by our exploratory borings, results
of laboratory testing, engineering analysis and our experience. Criteria presented reflects
the proposed residence as we understand it. We should be advised if the final design
differs from our assumptions to permit us to re-evaluate our conclusions.
This investigation was conducted in a manner consistent with that level of care
and skill ordinarily exercised by the members of the profession currently practicing under
5
similar conditions in the locality of this project. No other warranty, express or implied, is
made.
If we can be of further service or.if you have questions regarding this report or we
can be of further service, please call.
CTUTHOMPS- ,ZINC.
ale Kiirfg, P.E.
h Manager
Reviewed by:
Frank J Holliday, P.E.
Principal Engineer
JM:FJH:gs
(3 copies sent)
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SITE
SIERRA VISTA
DR.
ESCALANTE
DR.
PASEO
DR.
82 EL JEBEL
VICINITY MAP
NO SCALE
PROPOSED DRIVE
BENCHMARK =
GROUND SURFACE
AT BUILDING ENVELOPE
CENTER STAKE. TH-2
TP-I {EL. - 100
ASSUMED BY CTL/T� SCALE: I" = 20'
PROPOSED RESIDENCE
LEGEND:
TH-1 INDICATES BORING
40 LOCATION
TP-1
INDICATES TEST PIT
LOCATION
41 TH-1
LOCATIONS . OF EXPLORATORY
BORINGS
JOB NO. 17,79G
FIG. I
TP-1
EL=99
TH-1
EL=97
TH-2
EL-101
0
102
100
98
• o.
96
o:
94
92
ASSUMED FLOOR
ELEVATIONS t.
102
100
98
30/0
96
94
92
30/3
90 b. 90
.a
88 88
LEGEND: NOTES:
TOPSOIL, CLAY, SANDY, ROOTS, MEDIUM 1• THE BORINGS'WERE DRILLED MAY 14, 19S
STIFF TO STIFF, MOIST, BROWN, (CL) WITH A 4—INCH DIAMETER CONTINUOUS
FLIGHT POWER —AUGER.
2. ELEVATIONS WERE OBTAINED WITH A HAND
CLAY, WITH SOME THIN CLAYEY SAND LENSES, LEA- AND ARE APPROXIMATE. THE ELE—
O
SANDY, COBBLES, BOULDERS, GRAVELS, DENSE VATIONS REFER TO BENCHMARK OF FIG.1.
TO VERY DENSE, MOIST, BROWN, (CL) 3. THESE LOGS ARE SUBJECT TO THE EXPLj*
ATIONS, LIMITATIONS AND CONCLUSIONS
DRIVE SAMPLE. THE SYMBOL 30/3 INDICATES AS -CONTAINED IN THIS.REPORT.
THAT 30 BLOWS OF A 140—POUND HAMMER
FALLING 30 INCHES WERE REQUIRED TO
DRIVE A 2.5—INCH O.D. SAMPLER 12 INCHES.
DRIVE SAMPLE, THE SYMBOL 30/3 INDICATES
THAT 30 BLOWS OF A 140—POUND HAMMER
FALLING 30 INCHES WERE REQUIRED TO DRIVE
A 2.0—INCH O.D. SAMPLER 3 INCHES.
PRACTICAL DRILL RIG REFUSAL. SECOND(,
ARROW INDICATES REFUSAL IN ADJACENT BORING.
LOGS OF EXPLORATORY BORINGS
in= Kin » Inc
HYDROMETER ANALYSIS
45 MIN. 15 MIN TIME READINGSSIE
100£ -- -6a MIN 19 MIN 4 MIN 1 MIN U.S. STANDARD SERIES
p ; ..
IS
CLEAR SQUARE OPENIN
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f �-- ATURAL.
IS
30� -;- C —MO.I_ST_.URE co W
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20` j I I
70
i -- — I t i t t 80
0.777
_ r
r
t -�r
005 .074
009 .019 X3 i=i.Z�2_ _ t ; 90
037 .149 .297 .590 h_ t
1.19 2.0 2.38 4.76 9.52 19.1 ``'' 100
DIAMETER OF PART CLE IN MILLIMETERS 36.1 76.2 127 200
CLAY (PLASTIC) TO SILT (NON -PLASTIC) 152
SAND
FINE MEDIUM GRAVEL
Sample of V COARSE FINE COARSE COBBLES
From - _ GRAVEL
- -% SAND 1 -_%
SILT & CLAY�L% UQUID LIMIT �Z_%
PLASTICITY INDEX _ S
HYDROMETER ANALYSIS
25 HP.7 HR TIME READINGS SIEVE ANALYSIS
45 MIN 15 MIN 60 MIN 19 MIN. 4 MIN
100 U S. STANDARD SERIES
1 MIN 200 100
50 '40 30 _ 16 10 8 CLEAR SQUARE OPENINGS
90 j... R 31 31' 1y=•
- - -
_,
80: _.
t
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:... .... .. ---.-. __--__..-._. r .. .: ...20
N 60 _ - —
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30
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-- 0
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005 .009 — - - _.. _ t 90
019 .037 .074 .149 -.297 - .SqO - 1.19 2 0 2.38 4.76 —
0.42 9.52 19.1— 36.1 76.2 127 200�
DIAMETER OF PARTICLE IN MILLIMETERS CLAY (PLASTIC) TO SILT (NON PLASTIC) 152
SAND
Sample of
From
GRAVEL__%
SILT&CLAY_ %
PLASTICITY INDEX
SAND --%
LIQUID LIMIT
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PERCOLATION TEST
EAGLE COUNTY ENVIRONMENTAL HEALTH DEPT.
OWNER: Terri IkL6s tiOeFer Nmme R27-4240
LEGAL DESCRIPTION: iiLo7
MAILING ADDRESS: J?D,X /,7g'g t15nPiy1 CD 8i6/z
TYPE OF DWELLING: •5F� NUMBER OF BEDROOMS Z
TEST HOLES PRE—SOAKED: YES
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PERC RATE: US j% - MINIMUM SEPTIC TANK SIZE: 750 l5 �D
MINIMUM LEACH FIELD SIZE : y62-H z of �60 -� d 10�5$Z it �re�ohe.s ASln{ l fr�dr unr 5.
COMMENTS : ��ace /NSOPCi'/�l% nay^ �R lay' (u' e17Gz of (GcG, �j.�t in �161,�es
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PERC TEST DONE Brf:
nviaronmerYtal Health 0
rev. 6/90ks
DATE: /D-/- 9/
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