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OFFICE USE ONLY:
DATE FILED: .
REVISION FEE:
PERMIT # N o'� b 3
RECEIPT #
PLANNING & .DEVELOPMENT SERVICES
BUILDING & CODE REGULATION DIVISION
23001'IRCINIA AVTNUE
FORT PIERCE; FL 34982-5652
(772)462-1553
APPLICATION FOR BUILDING PERMIT REVISIONS
PROJECT INFORMATION
1. LOCATION/SITE
ADDRESS: f a,j . A R (!, Lt {�, g,, .
E' L
2. DETAILED DESCRIPTION OF PROJECT FiLL UUFY
REVISIONS:
IN iS�L*Fi`rm,i €?(;, i�kmig+ LP 1�elE�
'kI✓Ett `ice 2vIs S4r ?Lai,.)C�(LF�na€z `it) �u.kLhI C, t)Lk-,A9-:TAl sSa"
3. CONTRACTOR INTORIVIATION:
STATE of FL REG./CERT. ##: �44-1 `{ o �f ST. LUCIE COUNTY CERT. #:
BUSINESS NAME:ttc'sl,rr 4.t�pi4lE tOFtl7SCtii�e
QUALIFIERS NAME:;�
ADDRESS: 70c> (t,S. FIw i' i N4
CITY: You pom-- STATE: 6 t- ZIP: ? rat
PHONE (DAYTIME): _'?6-6-4S3-`' sq I FAX:
4. ZNVNI; BUTbDER-INFORMATION:
NAME:
ADDRESS:
CITY:
PHONE:
5. ARCHITECT/ENGINEER INFORMATION:
STATE:
FAX:
ZIP:
NAME: A) [R
ADDRESS:
CITY: STATE: ZIP:
PHONE (DAYTIME): FAX:
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Kenneth R. 11! Cert , 0024746
JOB
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engineers • surveyors • architects
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skillman
incorporated
November 1, 2006
Mr. Kenneth Long
Long's A-ir Conditioning
800 U.S. highway 27 Forth
Avon Park, Florida 33825
Pie: Buoyancy Calculation for Buried Propane Tank
Bear Mr. Long:
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Pursuant to your request, please find a comparison of two methods of offsetting the buoyancy
from a buried 500 gallon propane tank below:
Condition:
A 500 gal. buried propane tank submerged in water (37" diameter. x 120" long).
Weight of water displaced: 4,168 lbs.
Empty weight of the tank: 976 lbs
Buoyancy to overcome: 3,192 tbs.
Method No. I
Construct a concrete pad with reinforcing bars forming eyes with a plastic coated chain strapping
the propane tank to concrete pad:
Pad Dimensions: 7 5/8" thick by 48" wide by 120" long:
Volume of concrete: 43,920 cu. Inches = 25.41 cu. Ft. = 0.94 cu. Yds.
Weight of concrete to o5set buoyancy: 0.94 can. Yds. X 4,050 lbs/cu. Yd = 3,812 lbs.
Method No. 2
Construct four tie -down ground anchors (6" augers) at the four corners of the propane tank.
Provide double 22 gauge galvanized steel straps at each set of augers (double straps on each end
of the tank).
Working load on each anchor: 4,109 lbs.
Hold down strength of anchors (buoyancy o;ii'set): 4 x 4,109 = 16,436 lbs.
Allowable Tension in 22 gauge tie down strap:
Area = 0.0336 inches thick x 2 inches wide— 0.0672 square inches
P(allowable)=;f(a)A = 20,000(0:0672 sq: in.)-=1;344 lbs: per strap
Hold down strength of 4 straps (buoyancy offset): 1,344 ibs x 4 = 5,376 lbs.
* Connection for strap to anchor consists of slotted 5/8 inch bolt with 2" galvanized steel
strap inserted in slot and wound at least three wraps.
* Each strap in each assembly must be wound to equal tension to provide for allowable
tension to be -ca ried by both straps.
Theworking orking on de -down anchors was t�rovided by the manufacturrer.
Anchors buried in sandy flat woods soil, no snuck.
Lakeland Office •,4.705 Old•.Highway 37, P.O. Box 5710, Lakeland, Florida 33807..-5710 • 863/646-1402
Atlanta Office �� bO Powers Ferry Road, Suite �118, Atlanta, Georgia 30339-5076 . 770/980-9880 a
Tampa Office , 8402 Laurel Fair Circle, Suite 105, Tampa, Florida 33610-7313 • 813/621-9229
Orlando Office • 2917 W. SR 434, Suite 111, Longwood, Florida 32779 • 407/862-5000
Sebring Office . 363 U.S. 27 South, Sebring, Florida 33870-2140 - 863/382-4160
v
Page Two
In my opinion, the system of tie -down anchors (Method No. 2 above)is equal to or exceeds the
buoyancy capacity of Method No. 1. Method No. 1 appears to provide slightly more than neutral
buoyancy offset. Method No. 2 appears to provide a factor of safety of 1.68. The weight of the
soil above the tank will be the same in each case and has therefore not been taken into
consideration in the buoyancy calculations. The estimated 6 inch soil cover win provid6 an
additional off -set to the buoyancy of approximately 1,3501bs.
If you have any farther questions, pleases do not hesitate to contact this office.
Sincerely,
CIAST-S
W. IRK Cauthan, P. . No. 27563
Senior Project Manager — Principal
uCl-3i• tuuo 9:0UAM - No-3343: P• 2,
TIE DOWN ENGINEERING, hid.
Ground Anchor Imtepend9nt T&WngResults
Model itki� inking Soil Test
No.t�escxiptian gat Test -qrerqh J-aad Cfm
trill2H
Vertical pullai t in mist silty day,
PYN 5930
Test probe Wrque value beween
PPN 59095
20D-349 inch pounds.
G I 41`� - in silty sand and gravel test
S a-,,, - aiJ €lue 500 Inch pounds and more,
in laboratory fixtures For
:orArn* rock was not avaifabie-
f052
VWjral pullout in 2400 PSI cured concrre
P/N 59125
Test stopped at 5,200 pound,.
MU2
Vertical p€tliout in,2400 PSI cured cone,
PIN 59120
Tel stopped ai S,2oo pounds ,
Un
Vertical pullout In 2,500 PSI cured concrete,
PIN 59115
Test stopped at 5,2CY3 pounds.
N12I464
Vartltai pulla[A in silty clay. Test prey torque
P/N 59250
valt- between 200-340 Ityr-h pounds.
ML
45 degree pull on stabilizer place in sihy clay.
WNN 59292
Test probe torque Va)Ue b2twee►
20D-349 inch pounds.
U607
Vertical pullout in silly sand. Test prof torque
P/N 590:99
betvrwn 175-275 inch pounds.
6,13
(AVC,.)
4,1
2A & 4 9/15/92
5,7,33# 3,847 2 9/15/92
6M.)
5,-5677# 3, 733# 1 312/93
5,2w#
3,484#
NA
3/24194
5,M
3,480
NA
3/30/94
5.2 3,41 NA 3/30/94
S, 3,413 4# 3, 4 10093
6,Ei57# 3,484� m B/SC92
(AiIG)
6633# 4,444# 2r3,4 5/22/95
(AVG) �. W= = W Ak .r
NOTE: lvllni'Mum Factored Laad (ultimate strength) is 4,725 fts,
Winimurn nominal Load (Working Laad) is 3,2M fbs,
final Lam loxoj sp_ciffed by Coda or standard; usually -defined with ruperence to btlity
F&mOdLoad tip product of the nominal load and a load factor.
LasdFador; A factor rhat accounts For unavoidable d_viatiorts of tte actrl load Pram
Arrertaintles in the analysis that transforMs the loadinto. a load_affact.
1Q'€; All Ei cve test were conducted at Atec Assocl$tes, Product Tes€irog, Inc, and Gallm Associates.
The IrtiiMdual test results will ba made atrailsble upon regur t. Plsass forward your request For EhI
information to: TII: OCI-1 r tnIU W7 >- - __� - " , ... � - - . _ .
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