|
IMPORTANT the installer prior toakaHation. After installation and
<br /> before final backfills grade, the tank must be re-
<br /> guide is necessary for proper installation of Xerxes
<br /> Compliance with procedures and Instructions in this tested to assure no damage occurred during installation.
<br /> Century-Cast Underground Storage Tanks. Failure to Tighten all fittings,
<br /> comply will void warranty of tank and may cause tank pressurize to 5 psig
<br /> failure. National, state and local construction codes (35KPa), then soap
<br /> (NFPA 30 and 31) and environmental regulations should entire tank for a pe-
<br /> be consulted to ensure full compliance. riod long enough to ;
<br /> determine that there MAX
<br /> 5 PSIG
<br /> 1 PREP.ARATI I° I STAL TI are no leaks as indi-
<br /> Although the corrosion resistant Xerxes Century-Cast cated by soap bub-
<br /> K+21
<br /> tanks are rugged, care must be taken that they are not bles or a drop in pres-
<br /> dropped or damaged during delivery and handling on sure. (Soap test) : ,.�, • ;,;•
<br /> the job site.
<br /> WARNING
<br /> The tank must be isolated from the piping system when
<br /> pressure testing the piping. Tank pressure in excess of
<br /> A600-90060°-90° 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 /> chocks/' your Xerxes Century-Cast Tank sales representative,
<br /> distributor or the Customer Service Representative at
<br /> Use the lift lug when hoisting the tank;do not use cables the Xerxes Plant nearest you.
<br /> or chains around the tank. The 10 foot (3 meters) di-
<br /> ameter tanks have two lifting lugs; both must be used. OBACKFILL AND BEDDING MATERIAL
<br /> Use guy ropes to guide the tank when required. DO NOT Xerxes Century-Cast Tanks must be installed using
<br /> ROLL TANK. Whenever tanks are stored at the site, it either gravel or stone/gravel crushings which meet the
<br /> is necessary to chock them in place to prevent rolling following specifications:
<br /> (see drawing).When relocating the tank on job site, be
<br /> sure the new location is free of rock and debris;rechock Gravel
<br /> after moving the tank. Refer to TABLE I for weight of Use pea gravel(rounded
<br /> tanks as a guide for capacity of lifting equipment required. particles) with a mini- _ 1/8
<br /> „
<br /> mum diameter of 1/s"
<br /> �
<br /> TABLE I (3mm) and maximum di- CW:
<br /> ameter of 3/4"(1 8mm).
<br /> TANK DATA:ACTUAL GALLONS(CUM AND NOMNAL WEIGHT LBS KG 3/4 �I
<br /> DIAMETER VOLUME WEIGHT
<br /> FT. M GAL. CU.M LB. KG.
<br /> 4 1.2 550 2.1 265 120
<br /> 4 1.2 1,010 3.8 400 180
<br /> 6 1.8 2,200 8.0 950 430
<br /> 6 1.8 4,150 15.9 1,650 750 Stone Crushings
<br /> 6 1.8 5,712 21.7 2,300 1,050 Stone crushings should
<br /> 8 2.4 2184 8.4 850 345 be washed and free flow-
<br /> 1/s„
<br /> 8 2.4 6,219 16.2 1,200 say ing.Angular particle size ; �
<br /> s 2.a 7950 3o.a
<br /> 8 2.4 7,985 23.3 1,500 680 should be between 1/s" - I O�
<br /> 4,949 910 (3mm) and 1/2' (12mm) 1/2'
<br /> 8 2.4 9,816 37.6 2,500 1,135 III
<br /> 10 3.0 10,590 40.2 2,900 1,315 and must meet ASTM
<br /> 8 2.4 11,681 44.7 3,000 11350 C-33 paragraph 9.1 �-
<br /> 1a 3.0 12,090 45.9 3,300 1,500 requirements.
<br /> 10 3.0 15,226 57.9 3,700 1,680 A111111,121�////
<br /> 10 3.0 20,022 75.8 4,600 2,090
<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 /> PRE-INSTALLATION TESTING sales representative for information on approved alternate materials
<br /> All Xerxes Century-Cast Tanks are tested prior t0 ship- and installation instructions.Using other than approved bed or backfill
<br /> Y P P materials without prior written approval of Xerxes Corporation, will
<br /> ment, but it is REQUIRED that all tanks be tested by void the tank warranty.
<br />
|