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A 6 CD E F
<br /> BUOYANCY CALCULATIONS FOR 12, 000 GAL. E)OUBLE WALL TANK
<br /> SAMPLE BUOYANCY CALC)ULATIC-N16 FOR 12 000 GAL DOUBLE WALL FIEF 1__AO Ly,N1JERGROUNp TANK SAMPLE BUOYANCY CALCULATION$ W! DEADMEI�ANCHCRS
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<br /> 1 FINISH28. 00'
<br /> SURFA(-E -
<br /> MANWAY (TYP) _
<br /> BACKFILL COLUMN
<br /> __ i�'.iS• 4•:a'< q•: t'; q•+'�„e. 4; ,, i+y:C' i+�.e q••},•! q=' �
<br /> " CONCRETE BLAB ` (TYP BOTH SIDES)
<br /> .1. 50" 56. 5 56. 5 5. 00• BURY -
<br /> OP. CF. OF. / CONCRETE DEADMEN `\
<br /> _ id" x 1' x 22' LONG 6" THICK REINF. -_ _ `--- PEA GRAVEL
<br /> H • 9. 50' / LONG. $LAB. _ \
<br /> U.G. FUEL ITK
<br /> (TYP) EfflIf
<br /> (NOT INCLUDING RIBS) INSTALL PRE-ENGINEERED
<br /> SHORING SYSTEM ON ALL
<br /> SIDES 1 1 1 1
<br /> ASCRIPTION I 1 I 1 }
<br /> I. A ILL COLUMNS I I .• , . I - I
<br /> --._.
<br /> 14" x 5' HL - (I' x 9. 9' HI. x .5) • (2" x 9. 9' HIJ x 22' 26'1 G, F.
<br /> L , 24 00' INSTALL NEW DEADMEN
<br /> CALCULATION$ E` ENWIWITSH OUTSIDE EDGE
<br /> BAS13. W + 261 C. F. x 2 x 60 LBS / C. F.
<br /> I. WATER ?AB1) WLE A7 BOTTOM OF CONCRETE SLAB °0 - 32, 040 LBS. �11" PEA GRAVEL--�.
<br /> 2. SUBMERGED WEIGHTS : 2. CONGRETE-QgADMEN r- a BED
<br /> MATERIAL WEIGHT 14" .x I' NIGH x 22' LONG - 25. 1 C, F.
<br /> FILTER FABRIC LINE
<br /> PEA GRAVEL 60. 0 POUNDS PER CUBIC FOOT
<br /> REINFORCED CONCRETE 81. 6 POUNDS PER CUBIC FOOT CALCULATIONS ---DEADMEN ANCHORS- I. 28"
<br /> 2 WATER 1, 48 GALLONS PER GUBIC FOOT W� 4" _
<br /> WATER 62. 4 POUND$ PER CUBIC FOOT + 25. 1 G F, a 2 x 81. 6 LESS / C, F. 22 FT. LONG BY
<br /> TANK MANUFACTURER
<br /> BETWEEN ANY 2
<br /> Wm • 4, 503 LBS. ADJACENT TANKS
<br /> 3. WEIGHTS IN AIR
<br /> MATERIAL �H_T 3. TOTAL ADDITIONAL pgof!2�
<br /> PEA GRAVEL 120 LBS, PER CUBIC FOOT Fx - W. - W.
<br /> I �,I -
<br /> REINFORCED CONCRETE 150 LBS. PER CUBIC FOOT TYPICAL
<br /> YPICAL 5�C It (OI �{
<br /> TANK 5, 300 LBS.
<br /> CALCULATIONS
<br /> DESCRIPTION CALCULA710N5 SUMMARY
<br /> F, 32, 040 LBB. . 4, 503 LBS,
<br /> L REFLECTED AREA : A, • 1T(5') . (10 x 14. 00) - 218. 5 S. F. (1) F, : 36, 543 LBS.
<br /> 2. pISE'L,ACED VOLUME : (RIB VOLUME + 18. 21 CF.) V,. T(10') x (. 33 x 5) . ( IT(5') x 14. 00) - I, 623 C. F. 18. 21
<br /> 4. FACTOR OF SAFETY ?y ANCHORS
<br /> 3. UPLIFT FORCE : F o- 62, 4 LBS / C. F. x I, 641 C. F. . 102, 425 LBS. (1) F� + 02, 42a LBS,
<br /> 4. HOLDDOWN FGRCES F. y. , FFy + Fs 131, 33102, 425 543 I. 64 CK
<br /> A) TANK WEIGHT (PER MFR SPEC$) W , • 5, 300 LBS. (1) W, - 5, 300 LBS.
<br /> B) 6" GGNCRETE SLAB + 150. 00 LBS. / C. F.
<br /> SLAB AREA A, A , e 12.00 x 28. 00 = 336 9. F.
<br /> SLAB WEIGHT EXCLUDING REINFORCEMENT W e = SO x 336 x 50 . 25, 200 LBS. (1) W. • 25, 2W LBS.
<br /> C) WEIGHT OF PEA GRAVEL OVERBURDEN VOLUME
<br /> FROM CENTER OF TANK TO CONCRETE SLAB :
<br /> NSE 5'-0" MIN. BURY DEPTH TO FINISH SURFACE
<br /> TO SLAB BOTTOM WITH SUBMERGED WEIGHT V.- (H/3) (A, . A, (0. 5v, . VO
<br /> OF PEA GRAVEL + 60 LBS. / C. E) Ve. (9. 50/3) (219 . 336 . 219`! x 336 ) - ((0. 5 x I, 641 • 113) -
<br /> OVERBURDEN VOLUME FROM CENTER OF TANK TO CONC. SLAB We= 1, 681 C. F. x 60 LBS. / C. F. + 100, 838 LBS. (I) Wn = 100, 636 LBS.
<br /> V, + VOL. OF TANK -
<br /> Vn + VOL. OF MANWAY
<br /> TOTAL HOLD-DOWN FORCES : FH . (A + B • C) F„ . 9, 300 . 25, 200 . 100, 838 + 131, 338 LBS. (1) F„ = 131, 338 LB5,
<br /> 5. EXGE89 HOLD DGtUN FGRE_S �1a�J: EHp• R,- F„ 131, S38 - 102. 425 . 28, 913 LESS. (1) EHD . 28, 913 LBS.
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<br /> ya.
<br /> F. 9., . F" + 131, 338 / 102, 425 I. 28 MARGINAL /� -_- --� TTAN RGLASS HOLD DOWN
<br /> /. \ STRAPS A$ FROVIDED.BY
<br /> 1. CONGLUaIC,�L. USE 6" THICK, 12' x 28.•00' CONC. SLAB AND K MANUFACTURER.
<br /> TANK BURY DEPTH 5'-0" TO FINISH SURFACE I 1
<br /> I I
<br /> NOTE ; DUE 70 SITE SPECIFIC VARIABLES. BUOYANCY CALCULATIONS MUST
<br /> BE CALCULATED FOR EACH INDIVIDUAL $ITE BASED ON ACTUAL CONDITIONS. 1 UfdTAW, L N FA PROVIDED
<br /> \ / BY TANK MANUFACTURER
<br /> \ / ATTACHED TO EYEP.OLTS
<br /> IN DEADMEN. TIGHTEN SNI ONLY.
<br /> V _��
<br /> DEADMEN AS PROVIDED
<br /> 6ENEI@AL NOTES: { JG DEADMEN / ANCHORING INSTALLATION BY TANK MANUFACTURER
<br /> I SHALL BE INSTALLED ONJ}Y UIHEN L CONTRACTOR 19 TO INSTALL DEADMEN IN SUCH A MANNER
<br /> APPROVED BY UNOCAL ENGINEER AND 46 REQUIRED A9 TO NOT REQUIRE PERSONNEL IN THE BOTTOM OF THE
<br /> BY LOCAL AGENCIES. li 19 RECQMI'^ENDED THAT EXCAVATION, THESE INSTRUCTIONS ARE INTENDED TO BE
<br /> TANKS BE AWCPORED FOR INSTALLATIONS WHERE ONLY A GUIDE. CONTRACTOR ['t I"S COMELY WITH ALL
<br /> GROUND WA�7ER IB LE99 THAN 16 F i BELOW GRAD APPLICABLE OSHA OR CAL/OSHA REGULATIONS.
<br /> 2 R787L,"D=1 STRAP LOCATIONS, REFER TO 2. FRE•FApRICA7ED, FRfi•EN3INEERED CO'JCRPTE DEADMEN
<br /> DETAIL HEREON. $PALL 5E INSTALLED PER TANK MANUFACTURER'S INSTRUCTIONS- ..
<br /> IF TANK EXCAVATION IS APT TO FILL WITH WATER FROM ANY SOURCE, TANK 18 TO BE UTILIZING MANUFACTURER SUPPLIED STRAPS AND TURNBUCKLE$.
<br /> BALLASTED WITH CLEAN WATER AT NO TIME 15 BALLAST WATER LEVEL IN TANK 3. 9PORINr II�11(. E REx?�JIRED FOR ALL FROJECT5 3. PROPERLY P061TION DEADMEN IN THE HOLE (ON TOP OF
<br /> TO EXCEED LEVEL OF WATER (OR BACKFILL) IN TANK EXCAVATION. AFTER REQUIRING ANCHCRING, (ALL WET HOLE CONDITIONS) FILTER FABRIC) PRIOR TO ANY BACKFILL. -
<br /> INSTALLATION, ALL WATER 18 TO BE REMOVED BY PUMPING WITH SUCTION H05E AT
<br /> LOW END OF TANK AFTER WATER 19 REMOVED, CIRCULATE DRY COMFRE55ED AIR 4. PLACE A 12" THICK BED PEA GRAVEL AND GRADE SMOOTH.
<br /> THROIP TANK OPENINGS TO DRY TANK INTERIOR ALL TANK OPENINGS MUST BE t
<br /> S. SET TAN1C9 ON PEA GRAVEL BED. d
<br /> LEFT OPEN DURING THIS DRYING OPERATION. CONTRACTOR MUST PROVIDE +'
<br /> CERTIFICATION THAT THE TANK WAS DRIED COMPLETELY AND IS CLEAN. DO NOT 6. POSITION ANCHOR STAPS AND ATTACH TO TUp ISLr-KLES.
<br /> USE�INE PUMP TO EMPTY WATER IN TANK TIGHTEN TO OBTAIN A SNI FIT.
<br /> -1. BACKFILL TO TOP OF TANK
<br /> s.
<br /> T DESTRDY AU. RRINis REM. CKD. APP•D
<br /> 4 © UNION OIL OF . CALIFORNIA, dba UNOCAL, 1 `994 REV DATE REVISED BEAR-% E UERDATE - DY BY DT PPRovnL. REc(>Ro APPROVALS
<br /> AIILE$TWt A DATE APFRTA D�� g tAIT - UNDERGROUND GASOLINE STORAGE TANK COUNTER
<br /> - WD BUOYANCY DETAILS AND CALCULATIONS
<br /> THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN, SS ISSUED FOR C.U.P.
<br /> PROPRIETARY TO UNION 014 OF CALIFORNIA (UNOCAL) AND HAS REcaw pF a a uvu rn? oeTe
<br /> BEEN FURNISHED IN CONFIDENCE AND ARE SUBJECT TO THE reROTo .__
<br /> ISSUED FOR PIAN CHECK � y
<br /> TERMS OF A SEPARATE SECRECY AGREEMENT BETWEEN UNOCAL _
<br /> ISSUED FOR ,GEN BIO.
<br /> AND THE RECIPIENT. THE RECIPIENT IS NOT TO COPY, DUPLICATE a e 2'1 q-97 ` $ ° n° T "�c`"y DRAWW3 NO RIN0 seEET
<br /> OR, DISCLOSE THE CONTENTS TO ANY PERSON OR ENTITY EXCEPT - SsuED FOR;CONSTRUCT. ��
<br /> AS EXPRESSLY AUTHORIZED BY SAID AGREEMENT OR BY UNOCAL - - _--� - _7_. T T -- --- PRODUCTS COMPANY - ;
<br /> 1N WRITING. RECORD DRAWING NONE (tta Ti0wN-"Nm)
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<br /> - �++ K:\UN\UN1682\,QWG$ STO-J^
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