Call StormTech at 860.529.8188 or 888.892.2694 or visit our website at www.stormtech.com for technical and product information.
2
1.0 Introduction
1.1 INTRODUCTION
StormTech stormwater management systems allow
storm water professionals to create more protable,
environmentally sound developments. Compared with
other subsurface systems, StormTech systems offer
lower overall installed cost, superior design exibility and
enhanced performance. Applications include commercial,
residential, agricultural and highway drainage.
StormTech has invested over $10 million and many years
in the development of StormTech chambers. These
innovative products exceed the rigorous requirements
of the standards governing the design of thermoplastic
structures.
1.2 THE GOLD STANDARD IN STORMWATER
MANAGEMENT
The advanced designs of StormTech chambers were
created by implementing an aggressive research,
development, design and manufacturing protocol.
StormTech chamber products establish the new gold
standard in stormwater management through:
• Collaborations with experts in the eld of buried plastic
structures and polyolen materials
• The development and utilization of new testing methods
and proprietary test methods
• The use of thermoformed prototypes to verify
engineering models, perform in-ground testing and
install observation sites
• The investment in custom-designed, injection molding
equipment
• The utilization of polypropylene and polyethylene as
manufacturing materials
• The design of molded-in features not possible with
traditional thermoformed chambers
Section 3.0 of this design manual, Structural Capabilities,
provides a detailed description of the research,
development and design process.
Many of StormTech’s unique chamber features can
benet a site developer, stormwater system designer,
and installer. Where applicable, StormTech Product
Specications are referenced throughout this design
manual. If StormTech’s unique product benets are
important to a stormwater system design, consider
including the applicable StormTech Product Specications
on the site plans. This can prevent substitutions with
inferior products. Refer to Section 14.0, StormTech
Product Specications.
1.3 PRODUCT QUALITY AND DESIGN TO
INTERNATIONAL STANDARDS
StormTech chambers are designed to meet the full scope
of design requirements of Section 12.12 of the AASHTO
LRFD Bridge Design Specications and produced to the
requirements of the American Society of Testing Materials
(ASTM) International specications F2418 (polypropylene
chambers) and F2922 (polyethylene chambers).
StormTech chambers provide the full AASHTO safety
factors for live loads and permanent earth loads. The two
ASTM standards mentioned previously are linked to the
AASHTO LRFD Bridge Design Specications Section
12.12 design standard. Both ASTM standards require that
the safety factors included in the AASHTO guidance are
achieved as a prerequisite to meeting either ASTM F2418
or ASTM F2922. StormTech chambers are also designed
in accordance with ASTM F2787, “Standard Practice
for Structural Design of Thermoplastic Corrugated
Wall Stormwater Collection Chambers” which provides
specic guidance on how to design thermoplastic
chambers in accordance with AASHTO Section 12.12.
These standards provide both the assurance of product
quality and safe structural design.
For non-proprietary specications for public bids that
ensure high product quality and safe design, consider
including the specication in Section 15.0 Chamber
Specications for Contract Documents.
1.4 TECHNICAL SUPPORT FOR PLAN REVIEWS
StormTech’s in-house technical support staff is available
to review proposed plans that incorporate StormTech
chamber systems. They are also available to assist with
plan conversions from existing products to StormTech.
Not all plan sheets are necessary for StormTech’s review.
Required sheets include plan view sheet(s) with design
contours, cross sections of the stormwater system
including catch basins and drainage details.
When specifying StormTech chambers it is recommended
that the following items are included in project plans:
StormTech chamber system General Notes, applicable
StormTech chamber illustrations and StormTech chamber
system Product Specications. These items are available
in various formats and can be obtained by contacting
StormTech at 1-860-529-8188 or may be downloaded at
www.stormtech.com.
StormTech’s plan review is limited to the sole purpose
of determining whether plans meet StormTech chamber
systems’ minimum requirements. It is the ultimate
responsibility of the design engineer to assure that
the stormwater system’s design is in full compliance
with all applicable laws and regulations. StormTech
products must be designed and installed in accordance
with StormTech’s minimum requirements.
SEND PLANS TO:
E-mail: info@stormtech.com.
