HomeMy WebLinkAbout08-8021
CITY OF ZEPHYRHILLS
5335 - 8TH STREET
(813)780-0020
BUILDING PERMIT
8021
Permit Number: 8021
Permit Type: ADDITION/ALTERATION
Class of Work: 434-ADD/AL T RESIDENTIAL
Proposed Use: NOT APPLICABLE
Square Feet:
Est. Value:
Improv. Cost:
Date Issued:
Total Fees:
Amount Paid:
Date Paid:
Work Desc:
Address: 4615 WISTERIA DR
ZEPHYRHILLS, FL.
Township: Range: Book:
Lot(s): Block: Section:
Subdivision: WHISPERING OAKS
Parcel Number: 15-26-21-0160-00000-0010
38,850.00
6/30/2008
52.50
52.50
6/30/2008
SOIL STABILIZATION
Name: PITTMAN, ELIZABETH
Address: 4615 WISTERIA DR
ZEPHYRHILLS, FL. 33542
Phone: 813312-5327
fii1d jf(floJ(i~ ~ j
~ ~ I~{j~ ~U
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FOOTER BOND DUCTS INSULATED MISC.
ROUGH ELECTRIC LINTEL MISC.
1 ST ROUGH PLUMB PRE-METER MISC.
DUCTS INSTALLED WATER DRIVEWAY
PRE-SLAB SHEATHING MISC.
CONSTRUCTION POLE FRAME MISC. MISC.
REINSPECTION FEES: Reinspection fees will comply with Florida Statute 553.80 (2)( c) when extra inspection
trips are necessary due to anyone of the following reasons: a) wrong address b) condemned work resulting
from faulty construction c) repairs or corrections not made when inspections called d) work not ready for
inspection when called e) permit not posted on job site f) plans not at job site g) work not accessible.
NOTICE: In addition to the requirements of this permit, there may be additional restrictions applicable to this property that
may be found in the public records of this county, and there may be additional permits required from other governmental
entities such as water management, state agencies or federal agencies.
The payment of inspection fees shall be made before any further permits will be issued to the person owning same
nWarning to owner: Your failure to record a notice of commencement may result in your paying twice for
improvements to your property. If you intend to obtain financing, consult with your lender or an attorney
b re rding your no' of commencement."
\ /
-._' l/"~
CO TRACTOf SIGNATURE PERMIT OFF I
/ PERMIT EXPIRES IN 6 MONTHS WITHOUT APPROVED INSPECTION
CALL FOR INSPECTION - 8 HOUR NOTICE REQUIRED
PROTECT CARD FROM WEATHER
ger",",\~~ <to 2. \
July 17,2008
Ms. Meg Carrigan
Tower Hill Insurance Group
7201 NW 11 th Place
Gainesville, Florida 32605
Subject:
Completion Report of Grout Injection Remediation
The Pittman Residence - Zephyrhills, Florida
Claim No. 2800031710
SDII Project No. 3017839A
Oear Ms. Carrigan:
SOIl Global Corporation (SOIl) is pleased to present this report summarizing
the grout injection remediation performed at the Pittman residence located at
4615 Wisteria Orive in Zephyrhills, Florida. Figure 1 illustrates the project
location.
BACKGROUND INFORMATION
SOU was retained by Tower Hill Insurance Group to monitor and confirm that
the grout injection was completed in substantial compliance with the
recommendations made in our "Final Report - Subsidence Investigation"
dated February 2008, SOIl Project Number 3017839.
The purpose of the grout injection program was to treat the suspected sinkhole
conditions beneath the foundation of the home by filling subsurface voids and
compacting soft subsurface soils. SOU monitored the contractor's operations
during the grouting to verify compliance with the intent of our
recommendations.
SUMMARY OF MONITORING SERVICES
The following summarizes the activities we observed and documented at the
site:
· Secure Foundation Systems, Inc. installed 18 grout injection points
around the perimeter of the residence between July 7, 2008 and
July 14, 2008. Pipe depths ranged from approximately 28 to 50
feet for a total of 740 linear feet.
t;ompletiol/ Report Of Grout Injection Remediation
The Pittman Residence - Zephyrhills, Florida
Claim No. 2800031710
SDlI Project No. 3017839A
July 17, 2008
. The contractor ordered 19 truckloads containing a total of approximately 180 cubic
yards of grout mix to the site. Of this quantity, approximately 171.9 cubic yards were
injected into the subsurface.
. The grout slump tests conducted at the site indicated a range in slump of 5.0 to 5.5
inches.
Based on the above information, it is our opinion that the deep injection-grouting program has
been completed in substantial compliance with SDU's engineering recommendations and local
grouting practices. This grouting procedure was implemented to stabilize the subsurface
conditions related to sinkhole activity in the immediate vicinity of the foundation of the
structure. This procedure may not preclude development of new sinkhole activity in the future,
however. Table 1 in the Appendix summarizes the grout injection, including estimated grout
volume injected and initial depth of each point. Figure 2 illustrates the location and numbering of
the grout points.
It is SDU's understanding that cosmetic repairs will be done following the grouting operations.
Accordingly, any existing damage and/or collateral damage associated with the grouting
operations should be repaired at that time by a qualified restoration contractor.
CLOSING
SDU appreciates the opportunity to be of service to you on this project. If you should have any
questions concerning the contents of this report, or if we may be of further assistance, please
contact us.
Sincerely,
>J D. Clef
Thomas H. Fisher, P.E.
Principal Engineer
Florida Registration Number 58027
APPENDIX: Table 1 - Grout Point Injection Summary
Figure 1 - Project Site Location Map
Figure 2 - Site Plan Showing As-Installed Location Of Grout Injection Points
Selected Site Assessment Photographs
DISTRIBUTION:
Addressee - 2
Insured - 1
File - 1
fompletio'l Report Of Grout byection Remediation
The Pittman Residence - Zephyrhills, Florida
Claim No. 2800031710
SDIl Project No. 3017839A
July 17, 2008
APPENDIX
Completion Report Of Grout Injection Remediation
The Pittm~n Residence - Zephyrhills, Florida
Claim No. 2800031710
SDII Project No. 3017839A
July 17, 2008
Table 1. Grout Point Injection Summary
Grout Point Number Initial Pipe Depth Approximate Grout Volume
(feet) (Cubic yards)
1 48 16.9
2 41 7.0
3 33 0.5
4 36 11.0
5 31 7.3
6 38 11.1
7 46 9.7
8 37 2.9
9 50 2.0
10 49 15.5
11 45 13.2
12 41 14.6
13 37 13.3
14 47 14.3
15 47 10.5
16 42 4.3
17 44 13.8
18 28 4.0
TOTAL 740 171.9
N
NOT TO SCALE
TOWER HILL
INSURANCE GROUP
GAINFSVlLLE. FLORIDA
PROJECT SITE LOCATION MAP
PITTMAN RESIDENCE
ZEPHYRHILLS. FLORIDA
DESIGNED BY: THF PROJECT NO.: 3017839 FIGURE
CHECKED BY: THF DRAWING NO.: 7839-1
1
DRAWN BY: JMW DATE:
07/15/08
FENCE (lYP.)
AREA WITH
CANOPY (TYP.)
I
I
I
1/
1/
1/
1/
1/
1/
If....
If
If
If
II
II
,
1----1
I
I
J.r.~-----J.::-:-:.
1'-:':-. :-:-:
I -::: 8 :.:-
7 I
3 ::::
2
c~Q~
DRIVEWAY
TRUCK
o
+0
f:.:-:.:-:-:-:-:-:-:j
INDICATES VERTICAL GROUT POINT
INDICATES INCLINED GROUT POINT
APPROXIMATE LOCATION OF AREA PARTIALLY OR TOTALLY INACCESSIBLE TO GPR SURVEY
OVERHEAD
POWERLlNE
(1YP .)
TREE (lYP.)
~
o
N
20'
.
SCALE
SITE PLAN SHOWING AS-INSTALLED LOCA nON
OF GROUT INJECTION POINfS
PITTMAN RESIDENCE
ZEPHYRHILLS, FLORIDA
TOWER HILL
INSURANCE GROUP
GAINESVILLE, FLORIDA
PROJECf NO.:
DRAWING NO.:
DATE:
DESIGNED BY:
CHECKED BY:
CREATED BY:
THF
THF
JMW
3017839A FIGURE
7839-2
07/15/08
2
[ompletioe' Report Of Grout Injection Remediation
The Pittman Residence - Zephyrhills, Florida
Claim No. 280003/710
SDII Project No. 30/7839A
Selected Site Assessment Photographs
July /7, 2008
CO"'l1letion Report DfGrout Injection Remediation
The Pittman Residence - Zephyrhills, Florida
Claim No. 2800031710
SDlI Project No. 3017839A
July 17, 2008
,.,
Completion Report Of Grout Injection Remediation
The Pittman Residence - Zephyrhills, Florida
Clllim No. 2800031710
SDll Project No. 3017839A
July 17, 2008
813-780-0020
City of Zephyrhills Permit Application
Building Department
Fax-813-780-0021
Date Received
Owner's Name
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Fee Simple Titleholder Name _ _ _ _ ~ _ Owner Phone Number I
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J (OBTAIN EO FROM PROPERTY TAX NOTICE)
D NEW CONSTR D AD DIAL T D SIGN D MOVE D
D INSTALL D REPAIR
PROPOSED USE D SFR D COMM D
TYPE OF CONSTRUCTION D BLOCK D FRAME D
DESCRIPTION OF WORK I <:\0.\ \ Sto.n\ \, z.a.-\-~on
I SO FOOTAGE I
1$ 3~1 950.00 I
1$ I
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SUBDIVISION
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BUILDING
VALUATION OF TOTAL CONSTRUCTION
ELECTRICAL
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PLUMBING
MECHANICAL
VALUATION OF MECHANICAL INSTALLATION
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DYES
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GAS
OTHER
FINISHED FLOOR ELEVATIONS
COMPANY
REGISTERED
ISe{'iJre F~uodah()f'} SLI ,,1em~ I
c.ri2KJ FEE CURRENT ~
License # IrA('.l 5\ 4 2..~3 I
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RESIDENTIAL
Attach (2) Plot Plans; (2) sets of Building Plans; (1) set of Energy Forms; R-O-W Permit for new construction,
Minimum ten (10) working days after submittal date. Required onsite, Construction Plans, Stormwater Plans wi Silt Fence installed,
Sanitary Facilities & 1 dumpster; Site Work Permit for subdivisionsnarge projects
Attach (3) complete sets of Building Plans plus a Life Safety Page; (1) set of Energy Forms. R-O-W Permit for new construction.
Minimum ten (10) wOrking days after submittal date. Required onsite, Construction Plans, Stormwater Plans w/ Silt Fence installed,
Sanitary Facilities & 1 dumpster. Site Work Permit for all new projects. All commercial requirements must meet compliance
Attach (2) sets of Engineered Plans.
.~*PROPERTY SURVEY required for all NEW construction.
COMMERCIAL
SIGN PERMIT
Directions:
Fill out application completely.
Owner & Contractor sign back of application, notarized
If over $2500, a Notice of Commencement is required. (A/C upgrades over $5000)
Agent (for the contractor) or Power of Atlomey (for the owner) would be someone with notarized letter from owner authorizing same
OVER THE COUNTER PERMITTING (Front of Application Only)
Reroofs Sewers Service Upgrades NC
Driveways-Not over Counter if on public roadways..needs ROW
Fences (Plot/Survey/Footage)
NOTICE OF DEED RESTRICTIONS: The undersigned understands that this permit may be subject to "deed" restrictions"
which may be more restrictive than County regulations. The undersigned assumes responsibility for compliance with any
applicable deed restrictions.
UNLICENSED CONTRACTORS AND CONTRACTOR RESPONSIBILITIES: If the owner has hired a contractor or
contractors to undertake work, they may be required to be licensed in accordance with state and local regulations. If the
contractor is not licensed as required by law, both the owner and contractor may be cited for a misdemeanor violation
under state law. If the owner or intended contractor are uncertain as to what licensing requirements may apply for the
intended work, they are advised to contact the Pasco County Building Inspection Division-Licensing Section at 727-847-
8009. Furthermore, if the owner has hired a contractor or contractors, he is advised to have the contractor(s) sign
portions of the "contractor Block" of this application for which they will be responsible. If you, as the owner sign as the
contractor, that may be an indication that he is not properly licensed and is not entitled to permitting privileges in Pasco
County,
TRANSPORTATION IMPACT/UTILITIES IMPACT AND RESOURCE RECOVERY FEES: The undersigned understands
that Transportation Impact Fees and Recourse Recovery Fees may apply to the construction of new buildings, change of
use in existing buildings, or expansion of existing buildings, as specified in Pasco County Ordinance number 89-07 and
90-07, as amended. The undersigned also understands, that such fees, as may be due, will be identified at the time of
permitting. It is further understood that Transportation Impact Fees and Resource Recovery Fees must be paid prior to
receiving a "certificate of occupancy" or final power release. If the project does not involve a certificate of occupancy or
final power release, the fees must be paid prior to permit issuance. Furthermore, if Pasco County Water/Sewer Impact
fees are due, they must be paid prior to permit issuance in accordance with applicable Pasco County ordinances.
CONSTRUCTION LIEN LAW (Chapter 713, Florida Statutes, as amended): If valuation of work is $2,500.00 or more, I
certify that I, the applicant, have been provided with a copy of the "Florida Construction Lien Law-Homeowner's
Protection Guide" prepared by the Florida Department of Agriculture and Consumer Affairs. If the applicant is someone
other than the "owner", I certify that I have obtained a copy of the above described document and promise in good faith to
deliver it to the "owner" prior to commencement.
CONTRACTOR'S/OWNER'S AFFIDAVIT: I certify that all the information in this application is accurate and that all work
will be done in compliance with all applicable laws regulating construction, zoning and land development. Application is
hereby made to obtain a permit to do work and installation as indicated. I certify that no work or installation has
commenced prior to issuance of a permit and that all work will be performed to meet standards of all laws regulating
construction, County and City codes, zoning regulations, and land development regulations in the jurisdiction. I also
certify that I understand that the regulations of other government agencies may apply to the intended work, and that it is
my responsibility to identify what actions I must take to be in compliance. Such agencies include but are not limited to:
Department of Environmental Protection-Cypress Bayheads, Wetland Areas and Environmentally Sensitive
Lands, WaterlWastewater Treatment.
Southwest Florida Water Management District-Wells, Cypress Bayheads, Wetland Areas, Altering
Watercourses.
Army Corps of Engineers-Seawalls, Docks, Navigable Waterways.
Department of Health & Rehabilitative Services/Environmental Health Unit-Wells, Wastewater Treatment,
Septic Tanks.
US Environmental Protection Agency-Asbestos abatement.
Federal Aviation Authority-Runways,
I understand that the following restrictions apply to the use of fill:
Use of fill is not allowed in Flood Zone "V" unless expressly permitted.
If the fill material is to be used in Flood Zone "A", it is understood that a drainage plan addressing a
"compensating volume" will be submitted at time of permitting which is prepared by a professional engineer
licensed by the State of Florida.
If the fill material is to be used in Flood Zone "A" in connection with a permitted building using stem wall
construction, I certify that fill will be used only to fill the area within the stem wall.
If fill material is to be used in any area, I certify that use of such fill will not adversely affect adjacent
properties. If use of fill is found to adversely affect adjacent properties, the owner may be cited for violating
the conditions of the building permit issued under the attached permit application, for lots less than one (1)
acre which are elevated by fill, an engineered drainage plan is required.
If I am the AGENT FOR THE OWNER, I promise in good faith to inform the owner of the permitting conditions set forth in
this affidavit prior to commencing construction. I understand that a separate permit may be required for electrical work,
plumbing, signs, wells, pools, air conditioning, gas, or other installations not specifically included in the application. A
permit issued shall be construed to be a license to proceed with the work and not as authority to violate, cancel, alter, or
set aside any provisions of the technical codes, nor shall issuance of a permit prevent the Building Official from thereafter
requiring a correction of errors in plans, construction or violations of any codes. Every permit issued shall become invalid
unless the work authorized by such permit is commenced within six months of permit issuance, or if work authorized by
the permit is suspended or abandoned for a period of six (6) months after the time the work is commenced. An extension
may be requested, in writing, from the Building Official for a period not to exceed ninety (90) days and will demonstrate
justifiable cause for the extension. If work ceases for ninety (90) consecutive days, the job is considered abandoned.
WARNING TO OWNER: YOUR FAILURE TO RECORD A NOTICE OF COMMENCEMENT MAY RESULT IN YOUR
PAYING TWICE FOR IMPROVEMENTS TO YOUR PROPERTY. IF YOU INTEND TO OBTAIN FINANCING, CONSULT
WITH YOUR LENDER OR AN A TORNEY BEFORE RECORDING OTICE OF CO NCEMENT.
FLORIDAJUR 11703
Notary Public
OWNER 0 AGE
Subscribed a wo
~. 2N.o9 by
Who Is/are personally known to me or has/have produced
PEflSDi\M U"y ~I/'s Identlflcallon
...~-~
Commission No
Notary Public,
~
am!lll*Mtii'ry 1~~'P'tJbIlC'!ltliWI'af Florida
,-J........ James David Toler
~~ Z My CommiSlllon 00767580
~Of ,..0. Expires 03/11/2012
Name of N
rid
#",11'I a\.
\~i
Notary Public State of Florida
James David Toler
My Commission 00767580
Expires 03/1112012
NOTICE OF COMMENCEMENT
1111I1111111 1111111I111111111111111111111I111I11111I11111111
2008093784
Pennit No.
Property Identification No./52 ~ 2./ 0 I (D ao 000000 I 0
THE UNDERSIGNED hereby give infonns you that the improvement will be made to certain real property, and in accordance with Section
713.13 of the Florida Statutes, the following infonnation is provided in this NOTICE OF COMMENCEMENT.
LoT I WJ.../lsPcR.JN~., D~A::s 'SuS/:)/U/S/ON 4~ Pf2R. P14T ~ 'i'l>f
1. Description of property (legal description:) R~f?l. /)1 PL4T 13PoI<. JL/-~ ~<1PS fi"'lo- e7 of" Fttl:,lJc ~&CI"i!S i- ~'5t"O
a) Street Address: .t.f~/5" WJ~/.UA jJR.JIJ~ 7i>.PJ.I\JR,I-IILL""<. FL.. 3'3.54-/ Ck:>I.UI'TV
, " FL. I
SDu
Sf'ARIL IZATIP^/
2. General description of improvements:
3. Owner Infonnation
a) Name and address:
b) Name and address of fee simple titleholder (if other than owner)
c) Interest in property F€E: SJmPL~
Rcpl:1188471 Rec: 10.00
OS: 0.00 IT: 0.00
06/24/08 _ _______ Dpt.y Clerk
4. Contractor Infonnation J~ Tnes A It!'.'1tJnl2:A
a) Name and address:~u~ ~/,," ~ Inc-
b) Telephone No.: 352.-~?/ ~ 9/ 9./ .
JEO PITTMAN, PASCO COUNTY CLERK
06/24/08 03:00~m 1 if6~5
OR BK 7868 PG t5
PD,Box 119/c ~JQ !J.)ty-~J~ 3t447f?~)7q!..t,
Fax No. (Opt.) 352 - <:''1 J ~ 91 9 ;:L.
5. Surety Infonnation
a) Name and address:
b) Amount of Bond:
c) Telephone No.:
Fax No. (Opt.)
If LJDo
Phone No. (~) (,b 'I '- c;c;,o1
r
7. Identity of person within the State of Florida designated by owner upon whom notices or other documents may be served:
a) Name and address:
b) Telephone No.: Fax No. (Opt.)
8. In addition to himself, owner designates the following person to receive a copy of the Lienor's Notice as provided in Section
713.13(l)(b), Florida Statutes:
a) Name and address:
b) Telephone No.: Fax No. (Opt.)
9. Expiration date of Notice of Commencement (the expiration date is one year from the date of recording unless a different date is
specified):
WARNING TO OWNER: ANY PAYMENTS MADE BY THE OWNER AFTER THE EXPIRATION OF THE NOTICE OF COMMENCEMENT ARE
CONSIDERED IMPROPER PAYMENTS UNDER CHAPTER 713, PART I, SECI'ION 713.13, FLORIDA STA , D CAN RESULT IN YOUR
PA YING TWICE FOR IMPROVEMENTS TO YOUR PROPERTY. A NOTICE OF COMMENCEMENT M BE RECO D AND POSTED ON THE
JOB SITE BEFORE THE FIRST INSPECTION. IF YOU INTEND TO OBT INANCING, CO UL T YOUR L DER OR AN A rrORNEY
BEFORE COMMENCING WORK OR RECORDING YOUR NOTICE-O ME EMENT.
-----
STATE OF FLORIDA
COUNTY OF PASCO
~"f ~CI~ Notary Public State of Florida
;f'.,Il" James David Toler
~~ ,. My Commission 00767580
'T>to. ;"'0": Expires 03/11/2012
. . Print Name
The foregoing instrument was acknowledged befo ~l.t n~ , 20~, by P I, z.~
L. ,.'":>, TTJn-tJ/V as:.J (type of au tho 'ty, e.g. officer, trustee, attorney
in fact) for e h ~..d )~ do- (name of party on behalf of whom instrume was executed).
~ .. './ -.~
./
Personally Known _ OR Produced Identification ~ Notary Signature
Type'of'J~~~~iication Produc~d r:- (P 12, J"),Q Jr I v'~(:\' lUo>lIW'Jame (print)
.~.:.~", .\~) .;,;;... '...;.. :,-;.,
~eri.t1cationp'ursuantto' Section 92.525, Florida Statutes. Under penaltie
.: s;<!t<;d')~1~1 ar~lth~o the best of my knowledge and belief.
facts
"
'; .FO~Msi~~cJYS\rt2J&r
SUBSIDENCE INVESTIGATION
PITTMAN RESIDENCE
4615 WISTERIA DRIVE
ZEPHYRHILLS, FLORIDA
REViEW DATE (p )-.7-o<f>
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~"---'-_-..M-'
Prepared For:
TOWER HILL INSURANCE GROUP
GAINESVILLE, FLORIDA
Claim Number: 2800031710
Prepared By:
SDn GLOBAL CORPORATION
SDn Project Number: 3017839
FEBRUARY 2008
::LL WORK SHALL COMPLY WIFT ALL
~RE~ATLING ~ODES, FLORlDA BUILDr';3
',O?E. NATI01~AL ELECTRIC CODE AN-
t: ; Y OF ZEPHYRHlLLS ORDINANCES.~I
-1
April 17,2008
Ms. Meg Carrigan
Tower Hill Insurance Group
7201 NW 11 th Place
Gainesville, FL 32605
Subject: Final Report - Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
Claim Number 2800031710
SDn Project No. 3017839
Dear Ms. Carrigan:
SDn Global Corporation (SOIl) is pleased to submit this fmal report of
our subsidence evaluation for the above referenced project. When
conducting a subsidence investigation, SDn follows the general sinkhole-
investigation protocols included in Chapter 627.707 Florida Statutes and
described in "Geological and Geotechnical Investigation Procedures for
Evaluation of the Causes of Subsidence Damage in Florida" (Florida
Geological Survey, Special Publication No. 57, 2005).
Presented herein are the findings and conclusions of our investigation
including geologic, geotechnical, and structural evaluations of the cause(s)
of damage to the Pittman residence. These evaluations are based on an
extensive data collection and interpretation effort by our technical staff
who have been trained in Florida subsidence investigation techniques and
data interpretation, and supervision and review by the senior professionals
who have signed and sealed the report. As the person responsible for
training and assuring the quality of our investigations, I monitor all
investigations and reports.
SDn appreciates the opportunity to have assisted Tower Hill Insurance
Group on this project. The senior professionals who developed the
opinions herein and signed the report and I are always available to help. If
you have any questions or comments concerning this report, please contact
us.
Sincerely,
SDn GLOBAL CORPORATION
~~~
Sam B. Upchurch, Ph.D., P.G.
Vice President and Principal Geologist
-:
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
EXECUTIVE SUMMARY
Tower Hill Insurance Group retained SDn Global Corporation (SDII) on February 8, 2008 to
conduct a subsidence investigation at the Pittman residence in Zephyrhills, Florida. The purpose
of the investigation was to determine the existence of sinkhole activity as defined by Chapter (~)
627.706 Florida Statutes at the residence.
The existence of sinkhole activity and a consequent sinkhole loss was investigated in accordance
with the requirements of ~627.707 Florida Statutes following standard methods. The following
methods were utilized in our investigation:
· A site inspection and homeowner interview were completed to identify local conditions,
damage, history of the structure, homeowner concerns, and details of the construction of
the house.
· A ground penetrating radar survey was conducted to identify anomalous subsurface areas.
· One test pit was excavated to observe foundation construction and geometry directly.
· Hand auger borings and push penetrometer soundings were advanced to determine the
composition and strength of subsurface materials near the foundation.
· Standard Penetration Test (SPT) borings were advanced to characterize the relative
stability of soils and deeper geologic conditions.
· Laboratory testing of soils was performed to identify deleterious soil types and for quality
control of soil and geologic materials classification.
· Relative floor elevation contour mapping was completed to identify anomalous floor
elevation trends and establish a baseline contour map of the existing floor elevation.
· A structural assessment was completed to identify construction methods and structural
deficiencies related to the potential causes of observed conditions.
· Mini-Cone penetrometer test (CPT) soundings were advanced to obtain continuous soil
strength and stability data in areas of interest
It is SDII's professional opinion that sinkhole activity as defined by ~627.706 Florida
Statutes cannot be ruled out at the Pittman residence. The SPT boring and CPT sounding
data do not indicate the presence of sinkhole activity. However, the presence of a ground
depression under the concrete slab outside the back door cannot be ruled out as being associated
with sinkhole activity. The depression is likely the result of a "chimney sink".
The observed damage on the exterior and interior of the residence is consistent with either the
direct result or the collateral effect of differential movement of the foundation. son recommends
that the sinkhole conditions be remediated using grout injection to increase the density of the
soils and cap the limestone. The estimated cost of remediation is approximately $36,700.
The following report details the basis of these findings. A list and definitions of terms utilized in
this report is provided in the Glossary.
Hi
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
3.0 STRUCTURAL EVALUATION
3.1 Scope of Structural Evaluation and Overview of Site Conditions
The purpose of the visual, structural assessment of the Pittman residence was to help determine
the probable causes that have contributed to the damage of the residence. In addition, the
structural assessment provides critical information in determining the appropriate remedial
actions for structures that may have been damaged by sinkhole activity. The homeowner, Ms.
Pittman, was present during the field portion of the assessment.
According to information provided by the Pasco County Property Appraiser's website, the single
story structure was built in 1979. There were no reported or observed additions. The structure
faces generally south and is constructed of masonry-block, exterior, load-bearing walls. The
floor of the residence consists of a soil-supported, concrete slab-on-grade. The main roof
structure was gable in design and was covered with asphalt shingles.
A test pit (TP) excavation was performed along the perimeter of the main structure to directly
observe the foundation construction and geometry. For the approximate location of the test pit
excavation see Figure 4.
The results of TP-l indicate that the foundation of the structure consists of a masonry block stem
wall on a continuous strip footing. The footing measured approximately 9 inches thick by an
estimated 12 inches wide and the bottom of the footing was 17 inches bls. The stem wall was
offset 2 inches on the footing. The floor of the structure was a concrete slab-on-grade.
3.2 Summary of Structural Damage
The following paragraphs summarize the damage noted during the investigation. Approximate
locations and photographs representative of the damage are illustrated in Figure 2.
Interior Damage
SDU observed that there were hairline to 1/16-inch wide wall cracks in the garage, master
bathroom, master bedroom, dining room, kitchen, nook, guest bathroom, and living room. The
garage and hallway had hairline to 1/16-inch wide ceiling cracks.
Exterior Damage
SDU noted that there were hairline to 1/16-inch wide stair-step and horizontal wall cracks on the
west elevation. The north elevation of the structure had hairline to 1/16-inch wide stair-step and
horizontal wall cracks. The east elevation of the structure had hairline to 1/16-inch wide stair-
step and horizontal wall cracks. The south elevation of the structure had hairline to 1/16-inch
wide stair-step and horizontal wall cracks. The driveway and walkway had hairline to 1/16-inch
slab cracks.
3-1
'-
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
3.3 Relative Floor Elevation Contour Map
The data for a relative floor elevation contour map were collected on February 13, 2008. The
methods used to evaluate the floor configuration are described in Appendix A.
The floor elevation map indicated that there was a total elevation difference of approximately 0.9
inches across the floor slab of the main living area of the residence. There was a radial slope of
approximately 0.6 inches over a span of 10 feet recorded descending toward the north central
portion of the northern wall of the structure. It is important to note that this slope corresponds to
the general location of the depression encountered beneath the slab at the rear of the site. This
correlation indicates that minor differential settlement has occurred at this portion of the
structure.
The floor slab of the garage was constructed 4.0 inches below the finished floor elevation (FFE)
of the living area. The floor elevations in the garage have been adjusted to reflect this difference.
The floor slab of the garage exhibited a slope of approximately 1.0 inch over a span of 20 feet
descending toward the southeast comer of the garage. It should be noted that the floor slab of a
garage would normally be sloped toward the garage door opening to allow proper drainage.
Therefore, given that the garage floor does not slope toward the door opening and there is
damage present in the garage, it is the opinion of SDU that the garage has experienced
differential foundation movement.
Figure 5 depicts the contour map showing the relative elevations of the floors. Where carpeting,
wood, tile, or other floor coverings exist, corrections have been made to obtain the top of slab
elevations.
3,4 Evaluation of Structural Damage
The observed damage on the exterior and interior of the residence is consistent with either the
direct result or the collateral effect of differential movement of the foundation. The direct result
of differential movement of the foundation occurs when a portion of the structure is damaged
directly due to a loss of support of underlying soils. The collateral effect occurs when stresses
resulting from uneven foundation settlement are redistributed through the structure. Differential
movement results in the cracking of concrete, masonry and drywall, and in some cases results in
the sloping of the floor slab. See Section 2.0 "Geologic and Geotechnical Evaluation" for further
discussion of deleterious soil conditions encountered at the site that may have initiated the
differential movement of the foundation.
3.5 Summary of Structural Evaluation
It is the professional opinion of SDU that the observed damage on the exterior and interior of the
residence is consistent with either the direct result or the collateral effect of differential
movement of the foundation.
3-2
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
3.6 Remedial Recommendations
The geologic and geotechnical investigations concluded that sinkhole activity is occurring at the
site. It is our recommendation that the subsurface soils be stabilized to minimize further
subsidence damage. Stabilization should be accomplished through grout injection to compact and
densify the sandy soils beneath the residence. Grout injection is also intended to seal the top of
the limestone surface to minimize future raveling.
The grout stabilization should incorporate 18 injection points spaced approximately 10 feet on
center around the perimeter of the structure. The grout points should be vertical and inclined as
shown on Figure 6.
The depth of grouting, based on the field boring logs is likely to vary from approximately 30 to
40 feet. Typical compaction grout mix with a slump between 4 and 6 inches should be used,
pumped at slow enough rates such that the grout will densify and not merely hydro-fracture the
soil. The elevation of the structure should be monitored continuously during the grouting process
to minimize unnecessary upward movement.
The total quantity of grout required can vary based on site conditions, but is likely to be between
100 and 150 cubic yards (cy). The estimated cost for repair is based on the higher volume of
grout.
A list of estimated costs for repair is provided below. It does not include estimates for
engineering supervision during remediation, nor does it include estimates for cosmetic repairs,
which should be estimated by a qualified insurance adjustor or contractor. Cosmetic repairs
should be postponed for 30 to 60 days after the grouting to allow any final ground movement to
occur.
A. Install grout pipes: 18 @ 35 feet (avg) @ $15/ft ................................$9,450
B. Grouting: 150 cy @ $155/cy.. ........... .......... ........... ................. ............23,250
C. Site Restoration.... ...... ......... ...... ... ................. '" ... ....................... ........ 4,000
Total .............$36,700
This cost estimate should be considered an "order of magnitude" estimate of actual construction
costs, and therefore should not be construed as a bid for performing the work. Actual costs can
only be determined through solicitation of bids from qualified contractors.
Continuous monitoring by SDU personnel during remediation is suggested to verify compliance
with these recommendations and to make necessary adjustments to the remediation program due
to unforeseen site conditions. This will also allow the engineer who created the remedial design
to certify that the remediation met design specifications.
3-3
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
4.0 CONCLUSIONS
It is SDU's professional opinion that sinkhole activity as defined by ~627.706 Florida Statutes
cannot be ruled out at the Pittman residence within reasonable probability. The depression that is
receiving soil under the concrete slab outside the back door cannot be ruled out as being caused
by sinkhole activity. The depression is likely the result of a "chimney sink".
No buried storm water pipes or sewer pipes that would provide an avenue for the sand to migrate
away from the area were identified in the area. There was also no evidence that the sand that was
formerly in the depression had been removed from the hole by burrowing animals or broken
sprinkler lines.
The observed damage on the exterior and interior of the residence is consistent with either the
direct result or the collateral effect of differential movement of the foundation.
SDU recommends that the sinkhole conditions be remediated using grout injection to increase
the density of the soils and cap the limestone. The estimated cost of remediation is approximately
$36,700. SDU also recommends that the remediation program be monitored in order to verify
that it is completed in accordance with our recommendations.
4-1
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
5.0 LIMITATIONS
5.1 Ground Penetrating Radar
According to ASTM D6429, GPR is the preferred method for investigating "voids and
sinkholes". This is because the method provides high-resolution data with a minimum of
interferences. GPR has been used in similar investigations to help identify shallow subsurface
conditions that are frequently associated with karst features. In many cases, a GPR investigation
has resulted in the identification and mapping of the boundaries of karst features and has helped
characterize their size and geometry. However, this method is limited to the ability of the GPR
unit to collect interpretable data at the project site. There is a possibility that karst features may
exist at the project site and not be detected by the GPR technique due to small size, subsurface
soil conditions, or the occurrence of such karst features below the depth of penetration of the
GPR signal. Note that many GPR anomalies are not sinkhole or karst features. The presence of
an anomaly should not be construed to reflect sinkhole activity simply because of its existence.
5.2 Standard Penetration Test and Hand Auger Borings
The determination of soil type and conditions was only done from the ground surface to the
maximum depth of the borings. Any changes in subsurface conditions that occur between or
below the borings would not have been detected or reflected in this report.
The maximum depth of hand auger borings is 10 feet bls unless otherwise noted.
Soil classifications are based upon identifiable textural changes, color changes, changes in
composition, or changes in resistance to penetration at the intervals from which such samples
were collected. Abrupt changes in soil type, as reflected in boring logs and/or cross sections, may
actually represent gradual transitions.
Depth to the water table is based upon observations made while advancing hand augers and SPT
borings. This depth is an estimate and does not reflect the annual or extreme variations that occur
in this area due to fluctuations in rainfall, pumpage, and rates of evapotranspiration. Low
permeability soils or sediments may not allow water to freely enter the borehole and, therefore,
the water table may not be evident or it may only represent a transient condition. The depths are
estimated from the immediate land surface, which is not surveyed or tied to a known reference
elevation.
5.3 Site Figures
The measurements used for the preparation of the figures in this report were made with a
fiberglass measuring tape or measuring wheel. Such measurements are usually accurate to within
::1:5 percent. Right angles were estimated from existing exterior walls at the house; such angles
are usually accurate to within 5 degrees. Figures in this report were not prepared by a licensed
land surveyor and should not be interpreted as such.
5-1
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
5.4 Conditions Described in this Report
Subsurface conditions and the construction and damage to the structure(s) investigated by SDn
are subject to change. The conditions described in this report are, to the best of our knowledge,
current at the time of the investigation, and they may not reflect historical or post-investigation
conditions.
5.5 Use of This Report
This report was prepared for the exclusive use of Tower Hill Insurance Group and its assigns.
Use by persons or groups without the permission of Tower Hill Insurance Group is not
authorized.
5-2
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
SDU Project Number: 3017839
6.0 ENDORSEMENTS
6.1 Compliance with Florida Statute Title XXXVII Chapter 627.7073
This report followed the Statutory requirements that it be prepared by an individual qualified to
determine the existence of sinkhole activity and that the tests performed be of sufficient scope to
eliminate sinkhole activity as the cause of damage. SDIT certifies that this investigation was of
sufficient scope to determine the cause(s) of damage within a reasonable probability as specified
in ~627. 7073 Florida Statutes.
In accordance with Florida Statutes, the following individuals, who are licensed to practice in the
State of Florida and are Principals ofSDIT, have supervised this investigation and report.
SDII GLOBAL CORPORATION
~~A
t..f-t 84-0 ~
Monica L. Fowler, P.G.
Senior Geologist
Florida Registration Number--l;888
:/ / -7~
/ ;y~k,
4- - t!..or:
Thomas H. Fisher, r.E.
Professional Engineer (Structural)
Florida Registration Number 58027
6-1
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
SOIl Project Number: 3017839
TABLES
. Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
son Project Number: 3017839
Table 1
Chronology of Field Testing
l" ," , , , ~ :, ,~~ <'-.,~: S~;,. #:"1\...~", ~ ' , :
" '
" , , ;;>r ,,'1 <I ~ ~ ~
" " " " ' ,
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.
Ground Penetrating Radar Appendix A February 13,2008
Test Pit Excavation Appendix A February 13, 2008
Hand Auger Borings Appendix A & B February 13, 2008
Standard Penetration Testing Appendix A & C February 20 and April 3,
2008
Mini Cone Penetrometer Test Soundings Appendix A & D February 21,2008
Relative Floor Elevation Contour Map Appendix A & February 13,2008
Figure 5
Table 2
GPR Instrument Settings
Outside of Structure
Inside of Structure
200
500
90
60
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
SDII Project Number: 3017839
FIGURES
.;:,1~~
A
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NOT TO SCALE
TOWER HILL
INSURANCE GROUP
GAINESVILLE. FLORIDA
PROJECT SITE LOCATION MAP
PITTMAN RESIDENCE
ZEPHYRHILLS. FLORIDA
DESIGNED BY: MDZ PROJEcr NO.: 3017839 FIGURE
CHECKED BY:
DRAWN BY:
SU
JMW
DRAWING NO.: 7839-1
1
DATE:
02/27/08
~
------
APPROXIMATE LOCATION OF CRACKING/SEPARATION ON WALLS
APPROXIMATE LOCATION OF CRACKING/SEPARATION IN CONCRETE SLAB
APPROXIMATE LOCATION OF CRACKING IN CElUNG
o
N
20'
.
SCAlE
TOWER HILL
INSURANCE GROUP
GAINFSVlLLE, FLORIDA
SITE PLAN SHOWING APPROXIMATE LOCATION
AND EXAMPLFS OF OBSERVED DAMAGE
PITIMAN RFSIDENCE
ZEPHYRHILLS, FLORID,A
DESIGNED BY: MDZ PROJECfNO.: 3017839
CHECKED BY: SU DRAWING NO.: 7839-2
CREATED BY: JMW DATE: 02127108
FIGURE
2
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APPROXIMATE LOCATION OF GPR TRANSECT UNE
APPROXIMATE LOCATION OF SUBSURFACE ANOMALY WITH DESIGNATION
APPROXIMATE LOCATION OF AREA PARTIALlY OR TOTAlLY INACCESSIBLE TO GPR SURVEY
APPROXIMATE LOCATION OF CRACKING/SEPARATION ON WALLS
APPROXIMATE LOCATION OF CRACKING/SEPARATION IN CONCRETE SLAB
APPROXIMATE LOCATION OF CRACKING IN CElUNG
~
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(TYP. )
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~
o
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.
SCALE
SITE PLAN SHOWING APPROXIMATE LOCATION
OF GPR SURVEY AND RESULTS
TOWER Hll.L
INSURANCE GROUP
GAINESVILLE. FLORIDA
PI1TMAN RESIDENCE
ZEPHYRHILLS, FLORIDA
DESIGNED BY: MDZ PROJECfNO.: 3017839 FIGURE
CHECKED BY: SU DRAWING NO.: 7839-3
CREATED BY: JMW DATE: 02/27/08
3
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APPROXIMATE LOCATION OF TEST PIT EXCAVATION WITH DESIGNATION
APPROXIMATE LOCATION OF HAND AUGER BORING WITH DESIGNATION
APPROXIMATE LOCATION OF SPT BORING WITH DESIGNATION
APPROXIMATE LOCATION OF SUBSURFACE ANOMALY WITH DESIGNATION
APPROXIMATE LOCATION OF AREA PARTIAlLY OR TOTAlLY INACCESSIBLE TO GPR SURVEY
APPROXIMATE LOCATION OF CRACKING/SEPARATION ON WAl.I.S
APPROXIMATE LOCATION OF CRACKING/SEPARATION IN CONCRETE SLAB
APPROXIMATE LOCATION OF CRACKING IN CEIUNG
t
N
o
20'
.
SCALE
TOWER HILL
INSURANCE GROUP
GAINESVILLE, FLORIDA
SITE PLAN SHOWING APPROXIMATE
LOCA nON OF FIELD TFSfS
PITfMAN RESIDENCE
ZEPHYRHILLS, FLORIDA
DESIGNED BY: MDZ PROJEcrNO.: 3017839 FIGURE
CHECKED BY: SU DRAWING NO.: 7839-4
CREATED BY: JMW DATE: 01/27/08
4
.'
NOTE: COLOR SCALES DENOTE
RELATIVE ELEVATION IN INCHES
40
35
30
25
~
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Z 20
-
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5
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25
30
40
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SCALE IN FEET
+ INDICATES POINT OF MANOMETER DATA COLLECTION
'Y APPROXIMATE LOCATION OF MANOMETER
FFE FINISHED FLOOR ELEVATION OF MAIN LIVING AREA
TOWER HILL
INSURANCE GROUP
GAINESVILLE. FLORIDA
RELATIVE FLOOR ELEVATION
CONTOUR MAP
PITTMAN RESIDENCE
ZEPHYRHILLS. FLORIDA
~
N
SURVEYED BY: TJ
PROJEcr NO.: j017839 FIGURE
DRAWN BY:
OVS DATE:
02/28/08
CHECKED BY: THF DRAWING NO.: 7839-5 5
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SCALE
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TOWER HILL
INSURANCE GROUP
GAINESVll.LE. FLORIDA
THF PROJECf NO.:
THF DRAWING NO.:
JMW DATE:
DESIGNED BY:
CHECKED BY:
CREATED BY:
3017839 FIGURE
7839-6
02/27/08
6
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
SOlI Project Number: 3017839
APPENDIX B
RESULTS OF THE HAND AUGER BORINGS
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N
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
SDII Project Number: 3017839
APPENDIX C
SPT BORING LOGS
20 3/3/5 8
LIMESTONE: Drilled hard from 21.5 ft. to end of
Very strong to extremely strong boring
Pale yellow (2.5Y 8/2) limestone RLOC @ 24 ft.
gravel and granules
25 15/18/19 37 DB from 24 ft. to end of boring
30
o 20 40 60 8010 20/24/28
52
TOB @ 30 ft. bls
Grouted borehole
35
40
45
o 20 40 60 8010
50
TOWER HILL
INSURANCE GROUP
GAINESVILLE, FLORIDA
SPT BORING LOG
SITE NAME: PITTMAN RESIDENCE
SITE LOCA nON: ZEPHYRHILLS, FLORIDA
DESIGNED BY:
CHECKED BY:
DRAWN BY:
WF PROJECT NO:
MF BORING DATE:
AW PAGE NO.:
BORING
3017839
02/2t108
1 OF 1
B-1
=- ..... w COMMENTS
-. O. PENETRATION BLOW ~
::I:(/) ..... Water Table
m DESCRIPTION ~
......... ~ blows per foot COUNTS Drilling Fluid Losses
/1.m
w > z ft. = ft. bls (typical)
0 (/)
0 POORLY GRADED SAND WITH Hand auger boring from 0-4 ft.
SILT (SP-SM):
Dark brown (7.5YR 3/2) fine to
medium quartz sand with silt and
trace small roots
POORLY GRADED SAND (SP): NoEV from 4-23 ft.
5 Medium dense
Light brown (7.5YR 6/4) fine to 5/7/9/11 16 ~ EFR @ 6 ft. @ 15 gpm
medium quartz sand
CLAYEY SAND (SC): 5/8/6/4 14
Medium dense
Pale green (GLEY 1 7/2) clayey fine
to medium quartz sand 10/10/13/7 23
10
CLAYEY SAND (SC):
15 Medium dense 8/10/9 19
Light brown (7.5YR 6/4) clayey fine 0 20 40 60 8010
to medium quartz sand
CLAY (CUCH):
20 Stiff 10
Pale green (GLEY 1 7/2) clay with 5/5/5
orange oxide staining
LIMESTONE: RLOC @ 22 ft.
Weak to very strong WORl2IWOH 2 DB from 22 ft. to end of boring
Pale yellow (2.5Y 8/2) limestone SLOIWOR from 23.5-24 ft.
25 granules with calcareous clay MODIWOH from 24.5-25 ft.
Drilled hard from 27 ft. to end of
boring
NoEV from 28.5 ft. to end of boring
30 LIMESTONE: 50
Extremely strong
Pale yellow (2.5Y 8/2) limestone
gravel and granules
50+ 100+ 50 blows for 1 inch of penetration @
33.5 ft.
35 TOB @ 33.5 ft. bls
Grouted borehole
40
45
TOWER HILL
INSURANCE GROUP
GAINESVILLE, FLORIDA
SPT BORING LOG
SITE NAME: PITIMAN RESIDENCE
SITE LOCA nON: ZEPHYRHILLS, FLORIDA
DESIGNED BY:
CHECKED BY:
DRAWN BY:
WF PROJECT NO:
MF BORING DATE:
AW PAGE NO.:
BORING
3017839
02/20/08
1 OF t
B-2
E" ...J w COMMENTS
BLOW ::)
- O. PENETRATION ...J Water Table
%U) m DESCRIPTION ~
......J ~ blows per foot COUNTS Drilling Fluid Losses
I1.m ~
w z ft. = ft. bls (typical)
0
0 POORLY GRADED SAND WITH Hand auger boring from 0-4 ft.
SilT (SP-SM):
Dark brown (7.5YR 3/2) fine to
medium quartz sand with silt
POORLY GRADED SAND (SP): NoEV from 4-33.5 ft.
5 loose to medium dense ,I
Dark brown ~.5YR 3/2) to light 3/3/2/3 5
brown (7.5Y 6/4) fine to medium EFR @ 6 ft. @ 15 gpm
quartz sand
3/5/7/8 12
CLAYEY SAND (SC):
Medium dense 4/6/9/8 15
10 Light brown (7.5YR 6/4) clayey fine
to medium quartz sand
SANDY FAT CLAY (CH):
15 Medium stiff to very stiff 40 60 8010 3/4/4 8
Pale green (GlEY 1 7/2) clay with
limestone granules
6l.A
20 3/5/6 11
25
30
35
40
45
50
Ii
Ii
.
Ii
II
Ii
II
II
o 20 40 60 8010 2/3/4
3/4/4
8
7
LIMESTONE:
Very strong
Pale yellow (2.5Y 8/2) limestone
gravel and granules
46
WOH/1/19
20
24/29/17
o 20 40 60 8010
SlO/WOH from 33.5-34 ft.
RlOC @ 35 ft.
DB from 23 ft. to end of boring
Drilled hard from 35 ft. to end of
boring
TOB @ 40 ft. bls.
Grouted borehole
SPT BORING LOG
SITE NAME: PIlTMAN RESIDENCE
SITE LOCATION: ZEPHYRHILLS, FLORIDA
TOWER HILL
INSURANCE GROUP
GAINESVILLE, FLORIDA
DESIGNED BY:
CHECKED BY:
DRAWN BY:
WF PROJECT NO:
MF BORING DATE:
AW PAGE NO.:
B-3
3017839
02/20/08
I OF I
BORING
- w COMMENTS
4:: ..J BLOW ~
-, o. PENETRATION
J:en ..J Water Table
en DESCRIPTION ~
I-..J ::E blows per foot COUNTS Drilling Fluid Losses
a..m
w > z ft. = ft. bls (typical)
0 en
o
5
10
15
20
25
30
35
40
45
50
POORLY GRADED SAND WITH
SILT eSP-SM):
Light-brown (7.5YR 6/4) fine to
medium quartz sand with silt and
small roots
POORLY GRADED SAND (SP):
Loose
Very-pale-brown (10YR 8/2) fine to
medium quartz sand with trace
organics
FAT CLAY WITH SAND (CH):
Medium stiff
Light-gray (10YR 7/1) clay sand
and small roots
FAT CLAY WITH SAND (CH):
Very stiff
Light-weenish-gray (GLEY1 7/1)
clay WIth sand
CLAYEY SAND (SC):
Medium dense
Light-gray (10YR 7/1) clayey fine to
medium quartz sand
CLAY (CUCH):
Medium stiff to very stiff
Light-greenish-gray (GLEY1 7/1)
clay with orange oxide staining,
and with calcareous clay from
18.5-20 ft.
LIMESTONE:
Moderately strong to strong
White (10YR 8/1) limestone gravel
and granules
Hand auger boring from 0-4 ft.
NoEV from 4 ft. to end of boring
3/5/5/4
10
q1 EFR @ 6 ft. @ 14 gpm
3/3/3/4
6
4/9/12/11
21
20 40 60 80 10 3/2/3
5
Drilled hard from 17-20 ft.
SRR from 17.5-20 ft.
8/8/8
16
EFR @ 20 ft. @ 14 gpm
6/9/18
27
RLOC @ 25 ft.
DB from 25 ft. to end of boring
20 i 40 60 8010 2/2/3
It
~
i\
i \
;
~
\I
I!
\1
5
Drilled hard from 32 ft. to end of
boring
4/4/4
8
15114/13
27
o 20 40 60 8010 6113117
TOWER HILL
INSURANCE GROUP
GAINESVILLE. FLORIDA
30
TOB @ 45 ft. bls
Grouted borehole
SPT BORING LOG
SITE NAME: PfITMAN RESIDENCE..
SITE LOCA nON: ZEPHYRHILLS. FLOItIDA
DESIGNED BY:
CHECKED BY:
DRAWN BY:
BORING
WF PROJECT NO:
MF BORING DATE:
AW PAGE NO.:
3017839
04/03/08
1 OF 1
B-4
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
SDII Project Number: 3017839
APPENDIX D
CPT SOUNDING LOGS
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N
Subsidence Investigation
Pittman Residence - Zephyrhills, Florida
SDn Project Number: 3017839
APPENDIX E
SUMMARY OF LABORATORY SOIL ANALYSIS
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Project Name: PITTMAN RESIDENCE
Project Number: 3017839
Date: February 28, 2008
Tested By: AC
SOli Global Corporation
Lab Boring Depth of Coarse Fine Pct. Pct. Interpol. Plastic Liquid Plasticity
Sample Sample Particle Particle Finer Finer Pct. Finer Activity
Number Number (feet) Diameter Diameter (A) (B) at 2u Limit Limit Index
137 HA-7 7-10 0.0026 0.0011 30.8 30.8 30.80 18 36 18.0 0.58
138 HA-8 7-10 0.0026 0.0011 35.5 36.5 35.90 21 44 23.0 0.64
139 B-1 13.5-15 0.0026 0.0011 32.9 36.3 34.26 15 27 12.0 0.35
268 B-4 6-8 0.0026 0.0011 68.5 69.5 68.90 27 78 51.0 0.74
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(Diagram modified from Seed, H.B., R.1. Woodward, Jr., and R. Lundgren, 1962. Prediction of swelling potential for compacted
clays. Journal of Soil Mechanics, Foundation Division, American Society of Civil Engineers, vol. 88 (5M3), pp. 53-87)
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