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�----__,.-------------- I------��LDgrHAFkFER a- iCO.----_-`'9'1;63'5,,34 ^----------- A. 83-----_-_
<br />Reoommatlded Practicea for Ill#t81l8tiONW Undevowd Uquid Storap Systeme
<br />A.2 WOW of Materials. The weight of material
<br />dacmms %iwn gabstieeged, F*t our pUWO, we have used
<br />#A following aubu=gt5d *bights for common materials,
<br />114eterial Wd8M
<br />$w And pee. gravel 60.4 pounds per Cubic foot
<br />11AAfMad eftvwece 87.6 pounds per cubic foot
<br />Tack W maways 5,000 poen&
<br />Submarvible pump
<br />#Ad riser 300 pownds
<br />Water 7.48 gallm pet cultic foot
<br />water 62.4 peundt per cubic foot
<br />A,3 )lanceted Tmmk Amt. Tho reflected talc 104 Is
<br />the slid= on which the overburden bars, in the Cate bf
<br />cylindrical tames, this it found by multiplying the actual
<br />ttutk diameter by its Length. It tic casae of tattlrs WA 4*8d
<br />the CORIA1105 it Alae coAi PROAted, The value we
<br />have used (231.42 squaw feet) was pravidbd by iltb tuck
<br />manufaeku W.
<br />Area of trapozoidal and
<br />C;WUlar end kgtrtents 24.34 soften: feet
<br />liMWt al body + 207.03 squm feet
<br />Tata] 331 Alt sgtim feat
<br />A.4 Teak )Dlaplaeestaent. The buoyant force to be over-
<br />come is tJta totbl Umk disp4mrs;nt' inobidiM the displaea.
<br />meat of the stru-ttutre and atadW inanways. The foll6wing
<br />ealeuiadltIIf 111ns wA= [pro mcdKNh of valvulwing tU*p6 ;u-
<br />ttrent. The method prav#disg the larges value 1s mare c»m-
<br />sotwtive and should be vend.
<br />Mahan #L The first medwd is to c4culate the tote]
<br />space occupled by the tank from data pmvid d by the menu-
<br />facturer, '
<br />Mathed #1
<br />Cubic Feet
<br />Gallons
<br />Cylindrical tank bode
<br />].290.67
<br />'"'4
<br />Ttt*C4" 'ea t;
<br />113.28
<br />848
<br />Two imwiiys
<br />5.08
<br />39
<br />Total tam oucture
<br />1,449.09
<br />�+
<br />{
<br />...W
<br />Method #2. The secend method is to add the space
<br />6XIipW by the rank structure tQ the aatuel ciipacity of the
<br />tank, irtt nfzCb, elld tYMu+a,Y-
<br />Method #2
<br />t VIC peat
<br />Gallons
<br />Liner funk strut M
<br />] .18
<br />114
<br />outer tank Structure
<br />15.75
<br />118
<br />Ribs (29)
<br />4,42
<br />70
<br />Total tam oucture
<br />40.35
<br />302
<br />hank capacity
<br />3.340,84
<br />9730
<br />Intortliod Da,fr"lty
<br />82.89
<br />620
<br />Iilanway volume
<br />5.06
<br />38
<br />1.429.12
<br />1t},lS9Q
<br />The alterrseteive result, 1.424.12 cubic feet (10,600 ga1-
<br />I01ts), should be used sim it is mora conwrvrrive. The tank
<br />masuf+etarers a'bould provide iuf'orrnation on their tank
<br />jimeesions and cepaeity, on, request,
<br />11.E Reinforced Concrete Fad at Fialait.€+d Grads-
<br />The elght•inob Nck miefor ed concreu P$4 extt:nda two
<br />feet beyond aGb ettd of the tank and extends one foot
<br />beyond cub site of the WIL The pattilt8 will be 10' x 35',
<br />350 squars f t, 233,33 cubic feet, (354 i�quut feet x 8
<br />inches in 333.3 cubic feet.) I.lsittg the si ttadrged weight of
<br />97.6 pound$ cubic foot, the total weight of tbo paving is
<br />20��t4flpn
<br />A.6 Dap�Rarhd to Top of Task, The depth of rite►
<br />overlrttrdt� 11 iowimial) ever the W k consolutes flue
<br />B Caust f {`or ctaluttarsGft tlo daft, The burial depth
<br />moat else bs IWclew to Blow piplatg to be sloped to the
<br />tank at lout psi per fW. Act uming that a Ictal burr depth
<br />of 3'6' i4 suffYclent for this purpose, we can VWM atrial cal-
<br />culatioa to 1f dds wmblt►ation of paving acid btu, -
<br />W depth will vent floataut.
<br />A.7 Vola and Weight of Overburden, To dotcr-
<br />mine the &I* of the overburden, it is wesetuy to deduct
<br />lite thickness #f the raintoned concrete paving from the
<br />t� of build, to cite top of iba tank, (3'6" - 8" a 2'10'` b
<br />2. fit), Wil have assumed that pea gYevel sed &arid have
<br />the �e t g1}t sukb surged. 60 pvuuda per cubic foot. T&
<br />volume of the averbwdlal ca ba belculabBd a8 foWwYsc
<br />[tb = 33 (B� * 32 + AI 2)) ^ 2) + M)
<br />Where'. I
<br />D Q Tett*rVC
<br />, 7' 11 114" (7.939 felt)
<br />d = �tirdos>, 2'10" (2,$33 f$ t)
<br />h-a(D+27.058+2)+3.033
<br />+w LDIP 2.03 - 003 (09
<br />B I a Area the canna slab at gra&,
<br />350 rgrj*V hest ('See IA.3)
<br />B2 X Roll FWd tank arra,
<br />,331.E square feet (SiG IA1,3)
<br />V = Task &placeuaonty 10.690 gall=&
<br />(1429.12 cubk fw) (Su JA4)
<br />M Veld rt cwerbwuden (4` x 4' manway).
<br />l +41.85 cable feet
<br />Total vol>i4 0( 4vubunkm
<br />�1(h+3)�11I+b2f BIB2)j-IN+2)+M)
<br />G ((6,802 # 3) (350.00 + 231.42
<br />* 3311.00 x 231,42))
<br />-[(1429.12 + 2)+41,851
<br />= 2.267 (3 1.42+ KOO) - (714.56 + 4115)
<br />2,261 (5 1,42 + 204.60)- 756.41
<br />2,267 ( 5.02) - 756.4 a
<br />.1961. 27 f. 716.41
<br />=1206.86 {^+r k feet of P'Orborden
<br />testa wei jet daverburden
<br />=1206.86 pubic feet x right of backfill maberin
<br />(60 pounds por Cubic foot)
<br />• i2,4f2�t+rula '
<br />25
<br />
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