|
PO
<br />Compliance with procedures and instructions in this
<br />:wide is necessary for proper installation of Xerxes
<br />Uentury-Cast Underground Storage Tanks. Failure to
<br />mply will void warranty of tank and may cause tank
<br />failure. National, state and local construction codes
<br />,QFPA 30 and 31) and environmental regulations should
<br />consulted to ensure full compliance.
<br />,_DPREPARATION FOR INSTALLATION
<br />ahough the corrosion resistant Xerxes Century -Cast
<br />..nks are rugged, care must be taken that they are not
<br />upped or damaged during delivery and handling on
<br />job site.
<br />Ue the lift lug when hoisting the tank; do not use cables
<br />chains around the tank. The 10 foot (3 meters) di-
<br />,:neter tanks have two lifting lugs; both must be used.
<br />se guy ropes to guide the tank when required. DO NOT
<br />DLL TANK. Whenever tanks are stored at the site, it
<br />necessary to chock them in place to prevent rolling
<br />�e drawing). When relocating the tank on job site, be
<br />_re the new location is free of rock and debris; rechock
<br />:er moving the tank. Refer to TABLE I for weight of
<br />s niks as a guide for capacity of lifting equipment required.
<br />DATA: ACTUAL GALLONS (CUA) AND NOMNAL WEIGHT LBS
<br />-
<br />M
<br />GAL, yr
<br />•11CU.M
<br />LB.
<br />_
<br />1.2
<br />550
<br />2.1
<br />265
<br />_.._y
<br />1.2
<br />1,010
<br />3.8
<br />400
<br />_
<br />1.8
<br />2,200
<br />8.0
<br />950
<br />____5
<br />1.8
<br />4,150
<br />15.9
<br />1,650
<br />_r
<br />1.8
<br />5,x12
<br />21.7
<br />2,300
<br />2.4
<br />2,184
<br />8AJ
<br />850
<br />2.4
<br />4,219
<br />16.2
<br />1,200
<br />_._.3
<br />2.4
<br />6,085
<br />23.3
<br />1,500
<br />2.4
<br />7,950
<br />30.4
<br />2,000
<br />-
<br />2.4
<br />9,816
<br />37.6
<br />2,500
<br />_..
<br />3.0
<br />10,590
<br />40.2
<br />2,900
<br />2.4
<br />11,681
<br />44.7
<br />3,000
<br />_ 3
<br />3.0
<br />12,090
<br />45.9
<br />3,300
<br />3.0
<br />15,226
<br />57.9
<br />3,700
<br />_
<br />3.0
<br />20.022
<br />71; u
<br />n ann
<br />the installer prior O'nstallation. After installation and
<br />before final backfilling to grade, the tank must be re-
<br />tested to assure no damage occurred during installation.
<br />Tighten all fittings,
<br />pressurize to 5 pslg
<br />(35KPa), then soap
<br />entire tank for a pe-
<br />riod long enough to
<br />determine that there
<br />are no leaks as indi-
<br />cated by soap bub-
<br />bles or a drop in pres-
<br />sure. (Soap test)
<br />illi)
<br />IuiQi
<br />m1tl ili�Ii i
<br />�777,
<br />,SII y21r� �
<br />QITIf liili���
<br />�,a11 Illlll�
<br />u
<br />�l�l' IIIOiI�I�I ,11111 1111=IIIIIII VIII llll���lll� ;
<br />�� Illllp�llll( 11f� 'I�C�Nt1i=
<br />The tank must be isolated from the piping system when
<br />pressure testing the piping. Tank pressure in excess of
<br />5 psig voids all warranties.
<br />The tank should always be attended during a pressure
<br />test, but personnel should avoid manways, fittings and
<br />the ends of the tank when the tank is under pressure.
<br />If damage occurs, DO NOT ATTEMPT repairs. Contact
<br />your Xerxes Century -Cast Tank sales representative,
<br />distributor or the Customer Service Representative at
<br />the Xerxes Plant nearest you.
<br />TBACKFILL
<br />Xerxes Century -Cast Tanks must be installed using
<br />either gravel or stone/gravel crushings which meet the
<br />following specifications:
<br />Gravel
<br />Use pea gravel (rounded
<br />particles) with a mini-
<br />mum diameter of 1/8"
<br />(3mm) and maximum di-
<br />ameter of 3/4" (18mm).
<br />120
<br />180
<br />430
<br />750
<br />Stone Crushings
<br />1,050
<br />Stone crushings should
<br />385
<br />be washed and free flow -
<br />s45
<br />ing. Angular particle size
<br />680
<br />should be between 1/8"
<br />1,110
<br />35
<br />(3mm) and 1/2" (12mm)
<br />1,315
<br />and must meet ASTM
<br />1,350
<br />C-33 paragraph 9.1
<br />1,500
<br />requirements.
<br />„D PRE -INSTALLATION TESTING
<br />Xerxes Century -Cast Tanks are tested prior to ship-
<br />=nt, but it is REQUIRED that all tanks be tested by
<br />NOTE: No more than 3% of backfill material shall pass through a
<br />number 8 sieve. It is recommended that your backfill supplier certify
<br />that the backfill material meets the above specifications.
<br />NOTE: Fill material must be dry and free of ice and snow. DO NOT
<br />use other backfill materials. If material which meets the specification
<br />above is not available, contact your local Xerxes Century -Cast Tank
<br />sales representative for information on approved alternate materials
<br />and installation instructions. Using other than approved bed or backfill
<br />materials without prior written approval of Xerxes Corporation, will
<br />void the tank warranty.
<br />
|