A solution to your Sanitary Sewer Overflow problems
Designed in Texas
SuperCover ™ composite
manhole frame & covers were inspired by challenges faced throughout Texas municipalities.

"HOW CAN WE HELP MUNICIPALITIES REDUCE
THEIR SANITARY SEWER OVERFLOWS?"
non-hinged


AASHTO M306-10 Proof Load | Clear Opening | Outer Diameter | Rim girth | Locate | INNER DISH | I&I gpm | MASS | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
INNER DISH RING SureSeal™ | RING | COVER | TOTAL | ||||||||
Super 24 DH SSO Series | HS-25 | 24” I.D. | 34” O.D. | 4.0” | 3M | SureSeal™ | 0.0 gpm | 8.6 | 61.8 | 72.6 | 143.0 |
Super 30 DH SSO Series | HS-25 | 30” I.D. | 41” O.D. | 4.0” | 3M | SureSeal™ | 0.0 gpm | 13.2 | 66.4 | 105.6 | 185.20 |
Name | I.D. | O.D. | Rim Thickness | Inner Dish | Ring | Cover | Ring & Cover |
---|---|---|---|---|---|---|---|
NH SSO 24" | 24" | 26" | 4.0" | 8.6 lb. | 61.8 lb. | 72.6 lb. | 143 lb. |
NH SSO 30" | 30" | 32" | 4.0" | 13.2 lb. | 66.4 lb. | 72.6 lb. | 185 lb. |
hinghed

AASHTO M306-10 Proof Load | Clear Opening | Outer Diameter | Rim girth | Locate | INNER DISH | I&I gpm | MASS | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
INNER DISH RING SureSeal™ | RING | COVER | TOTAL | ||||||||
Super 30 DH SSO Series | HS-25 | 30” I.D. | 41” O.D. | 4.0” | 3M | SureSeal™ | 0.0 gpm | 13.2 | 66.4 | 105.6 | 185.20 |
Name | I.D. | O.D. | Rim Thickness | Inner Dish | Ring | Cover | Ring & Cover |
---|---|---|---|---|---|---|---|
DH 30" | 30" | 32" | 4.0" | 13.2 lb. | 66.4 lb. | 72.6 lb. | 139 lb. |
our new SureSeal™
inner-dish features:
-
ANTI-ROTATING
-
SELF-ALIGNING GUIDES
SuperCover’s new self aligning design, easily
aligns bolt holes for quick and easy bolting.
Design prevents confusion and operator
frustration. -
double gasket
-
bolted down
-
inflow dish
SureSeal™ protection against
I&I and treatment costs!
Solves wastewater municipalities most common problems

Exceeds 50,000lb proof
load test AASHTO

Water tight

No scrap
metal value

Anti-Corrosive Inert
Composite materials

Locate with: 3M ™ iD
Disk Marker 1414-XR/iD

Odor-eliminating

Anti-Theft

5 year warranty

Manufactured at an
ISO 9000 certified plant

Bolted down to frame,
cover & inner dish

NO unlawful entry:
bolt & locking system

Self-Extinguishing
Tested & Certified
Third Party Tested & Certified
by
The Trenchless Technology Center (TTC)
at Louisiana Tech University
SuperCover™
Name
Complies with the requirements of section 6.1
Proof-Load Test H-25 as specified in AASHTO Standard M
306-2, CERTIFIED TO M-306 H-20 & H-25



The Trenchless Technology Center (TTC) at Louisiana Tech University
is an independent source of knowledge, research and education for both government entities and the private
sector in the field of Trenchless Technology
3M™ iD Disk Marker
1414-XR/iD
3M™ iD Markers are designed to provide an accurate, convenient, long-lasting method of marking underground assets. In addition, these markers may be programmed to include customer specific information such as facility data, type of application, material type and size, placement date and other important details.

3M ID 80611303548
UPC 00051115160943
Frequently asked questions
No. Designed in Texas. Made in China
Yes, 5 years. No hassle
Yes. Tested and proven
Yes. 4 X 316 SS Bolts
It eliminates water going in and stops sewage water from gushing out
Yes, by means of gaskets and bolts

SUPERCOVER SSO SERIES VS. THE COMPETITION
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---|---|---|---|
Anti-rotating | |||
Inflow dish capable | |||
5 year warranty | |||
Bolted down Inflow dish | |||
Double gasket | |||
Odor prevention | |||
Fall protection Inner dish | |||
Self-aligning | |||
HS-25 Load rated |
Built for the wastewater industry, created by the wastewater industry
If you are a Muncipal Operator and would like to share your thoughts on how we could further improve The SuperCover TM, contact us here.