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FIBERGLASS UNDERGROUND TANKS
FOR SEPTIC
APPLICATIONS
As consumers and industries become increasingly accountable to
meet ecological requirements for underground collection and storage of products
and materials, Xerxes Corporation continues to be in the forefront with
innovative solutions. Xerxes fiberglass-reinforced plastic (FRP) tanks offer a
superior option for underground collection and storage of septage. Manufactured
of high-quality resin and glass, Xerxes tanks have a unique integral-rib design,
making them structurally strong yet lightweight. They are, therefore, easy to
ship and easy to install. Rustproof and long-lasting, Xerxes offers customers a
maintenance-free, cost-effective fiberglass tank for septage, a preferable
choice to precast concrete in septic applications because a fiberglass tank is a
nonpermeable storage container.
Xerxes` seven manufacturing facilities, strategically located
throughout the United States, give customers prompt delivery and quality
service. Xerxes manufactures custom-designed tanks for septic applications,
offering great flexibility for customers` needs.
Typical Applications
Municipalities
Public parks
Recreation sites
Rural developments
Sanitary stations
Rest areas
Private RV parks
Truck stops
Features
Nonpermeable
Rustproof, long-lasting fiberglass
Integral-rib design for added strength and robustness
Easy to ship and easy to install
Able to be reinstalled after recertification
Single-wall, double-wall, triple-wall
600-gallon to 50,000-gallon sizes
Optional Features
Inlet piping
Outlet piping
Inspection opening
Effluent filter-chamber openings
Baffles
Baffle penetrations
Sanitary tees (influent or effluent)
Ladders (FRP or aluminum)
FRP hold-down straps
Concrete deadmen
Guide
Specifications - Single-Wall FRP Tank for Septic Use
SHORT FORM:
The contractor shall provide single-wall fiberglass-reinforced plastic (FRP)
underground storage tank as shown on tank drawings. Capacity, dimensions,
fitting sizes and locations, and optional accessories shall be as shown on tank
drawings. The tank shall be as manufactured by Xerxes Corporation. Tank shall be
installed according to Xerxes` current installation instructions.
LONG FORM:
PART I: GENERAL
1.01 Quality Assurance
Acceptable Manufacturers: Xerxes Corporation, Minneapolis, Minnesota
Manufacturing Standards:
- Manufacturer shall be able to provide documentation that the tank shell
has been built to the applicable requirements of Underwriters Laboratories
Standard UL 1316.
- Tank manufacturer shall be in the business of manufacturing tanks to UL
1316 standards.
Materials:
- Tank shall be manufactured of 100% resin and glass-fiber reinforcement,
with no sand fillers and no exposed glass fibers.
- Tank openings for inspection and for installation of effluent-filter
chamber shall be constructed of FRP.
1.02 Submittals: Contractor shall submit to the engineer ______ copies of
shop drawings for each tank and ______ copies of manufacturer`s literature.
Part II: Products
2.01 Single-Wall Fiberglass Underground Tanks
Product Storage:
- Tank shall be vented to atmospheric pressure as the tank is not designed
as a pressure vessel.
Loading Condition: Tank shall meet the following design criteria:
- Internal Load: Tank shall be designed to withstand a 5-psig air-pressure
test (3 psig for a 12-foot tank) with a 5:1 safety factor.
- Surface Loads: Tank shall withstand surface H-20 axle loads when properly
installed according to manufacturer`s current installation instructions.
- External Hydrostatic Pressure and Burial Depth: Tank shall be capable of
being buried in ground with 7 feet of overburden, the hole fully flooded and
a safety factor of 5:1 against general buckling.
- Tank shall support accessory equipment-such as inlet and outlet piping,
effluent-filter chamber, ladders and baffles-as shown on tank drawings and
when installed according to tank manufacturer`s recommendations.
2.02: Accessories
Piping
- Schedule 40 PVC pipe shall be used for inlet and outlet piping.
Openings
- All 22-inch or 30-inch openings shall be manufactured of FRP.
- Location(s) shall be shown on tank drawings.
- Optional extensions shall be FRP or PVC.
Optional Anchor Straps
- Straps shall be FRP anchor straps as supplied by tank manufacturer.
- Number and location of straps shall be shown on tank drawings.
Optional Ladders
- Ladders shall be the standard ladder as supplied by tank manufacturer.
- Ladder material (fiberglass or aluminum) shall be as shown on tank
drawings.
Part III: Execution
Installation
- Tank shall be installed according to manufacturer`s current underground
storage tank installation instructions.
Part IV: Warranty
Warranty shall be manufacturer`s current standard warranty
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Tank
Data
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Nominal Capacity (Gallons)
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Diameter
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Length
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Shipping Weight (Lbs.)
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600
1,000
2,000
4,000
5,000
6,000
2,000
3,000
4,000
5,000
6,000
8,000
10,000
12,000
10,000
12,000
15,000
20,000
25,000
30,000
35,000
40,000
20,000
25,000
30,000
35,000
40,000
48,000
50,000
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4`
4`
6`
6`
6`
6`
8`
8`
8`
8`
8`
8`
8`
8`
10`
10`
10`
10`
10`
10`
10`
10`
12`
12`
12`
12`
12`
12`
12`
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6`-11 7/8"
11-3 7/8"
13`-5 3/4"
21`-11 1/8"
26`-5"
30`-8 3/4"
9`-1/2"
12`-3"
15`-1/2"
17`-8 1/2"
20`-6 1/2"
26`-1/2"
31`-6 1/2"
37`-1/2"
21`-5 1/4"
24`-1/4"
29`-5 3/4"
37`-8 3/4"
47`-6 3/4"
55`-9 3/4"
64`-3/4"
73`-8 1/4"
29`-4"
35`-7"
43`-1"
49`-4"
54`-4"
65`-7"
68`-1"
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500
700
1,200
1,600
1,900
2,200
900
1,100
1,400
1,700
2,000
2,500
3,000
3,500
3,300
3,700
4,600
5,800
7,700
9,300
10,400
12,000
9,100
10,500
12,400
13,800
14,900
17,600
18,200
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Limited Warranty: Underground Septic Tanks
Xerxes Corporation ("Xerxes") warrants to ("Owner")
that our underground storage tanks for potable water, if used in accordance
with Xerxes` published specifications, operating guidelines, and limited to
the storage of potable water, and if installed, operated and maintained in
the United States according to Xerxes` published installation instructions
and all applicable laws and regulations:
- Will not fail for a period of thirty (30) years from date of original
delivery by Xerxes due to natural external corrosion.
- Will not fail for a period of thirty (30) years from date of original
delivery by Xerxes due to internal corrosion, provided the tank is used
solely for potable water, the customer provides Xerxes with written
notice of its intended use before the tank is manufactured, and the
water is stored at temperatures not to exceed 150oF.
- Will not fail for a period of thirty (30) years from date of original
delivery by Xerxes due to structural failure, (defined as spontaneous
breaking or collapse caused by material defects in materials or
workmanship). Any post installation repairs or tank alterations must be
performed by Xerxes or its authorized contractor.
- Will meet Xerxes` published specifications and will be free from
material defects in materials and workmanship for a period of one (1)
year following the date of original delivery by Xerxes.
If any tank is to be removed from an installation, moved to Owner`s
new location and is intended for active service at the new location, the
tank must be recertified by Xerxes in order to maintain the warranty as
originally extended. The foregoing warranty does not extend to tanks
damaged due to acts of God or tank failures caused, in whole or in part,
by misuse, improper installation, storage, servicing, maintenance, or
operation in excess of their rated capacity or contrary to their
recommended use, whether intentional or otherwise, or any other cause or
damage of any kind not the fault of Xerxes. Xerxes does not warrant any
product, components or parts manufactured by others. Owner`s sole and
exclusive remedy for breach of warranty is limited at Xerxes` option to:
a. repair of the defective tank, b. delivery of a replacement tank to
the point of original delivery, or c. refund of the original purchase
price. A claimant must give Xerxes the opportunity to observe and
inspect the tank prior to removal from the ground or the claim will be
barred. All claims must be made in writing within one (1) year after
tank failure or be forever barred.
THE FOREGOING WARRANTY CONSTITUTES XERXES` EXCLUSIVE OBLIGATION AND
XERXES MAKES NO OTHER WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED,
WITH RESPECT TO THE TANK OR ANY SERVICE, ADVICE, OR CONSULTATION, IF
ANY, FURNISHED TO OWNER BY XERXES OR ITS REPRESENTATIVES, WHETHER AS TO
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR OTHERWISE. THE
REMEDIES SET FORTH IN THE ABOVE WARRANTY ARE THE ONLY REMEDIES AVAILABLE
TO ANY PERSON OR ENTITY FOR BREACH OF WARRANTY OR FOR BREACH OF ANY
OTHER COVENANT, DUTY, OR OBLIGATION ON THE PART OF XERXES. XERXES SHALL
HAVE NO LIABILITY OR OBLIGATION TO ANY PERSON OR ENTITY FOR BREACH OF
ANY OTHER COVENANT, DUTY OR OBLIGATION UNDER THIS WARRANTY EXCEPT AS
EXPRESSLY SET FORTH HEREIN. IT IS EXPRESSLY AGREED THAT THIS WARRANTY
DOES NOT FAIL OF ITS ESSENTIAL PURPOSE. XERXES SHALL HAVE NO LIABILITY
FOR TANK INSTALLATION OR REMOVAL COSTS, ENVIRONMENTAL CONTAMINATION,
FIRES, EXPLOSIONS OR ANY OTHER CONSEQUENCES ALLEGEDLY ATTRIBUTABLE TO A
BREACH OF WARRANTY, OR INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES OF
ANY DESCRIPTION, WHETHER ANY SUCH CLAIM OR DAMAGES BE BASED UPON
WARRANTY, CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER TORT, OR
OTHERWISE. IN NO EVENT SHALL XERXES` TOTAL LIABILITY HEREUNDER EXCEED
THE ORIGINAL PURCHASE PRICE OF THE TANK WHICH GAVE RISE TO SUCH
LIABILITY.
Effective 1/15/98
American Tank
Company, Inc.
Tanks & Fluid Handling
Equipment 
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