GlobalSpec has asked its users about the latest design trends and features related to Manholes and Manhole Covers. They have also shared their product applications and tips on how to buy and use these products.
See the entire survey


Q:
What new technologies are influencing manhole and manhole cover design?
16 answers
Answers:
For sewage application at higher ambient temperature, material selection is important. Depending on stiffness of the material, wall thickness design is critical.
~Chandrakant R, Consultant, Pune, Maharashtra, India
FRP/SMC are the new products which I feel are the best in this field. They can make solutions to many disadvantages.
~Amit S, Engineer, Lucknow, INDIA
Cast Iron is mostly used. Composites are entering the market as new material.
~Engineering, Design, Bursa, Turkey
Plastics, Fiberglass, Load Bearing capacities, clear opening
~Steve D., Marketing/Sales, Atlanta, GA
Laser design, solid surface drawings, casting technologies
~Linda J, Marketing/Sales, San Diego, CA
Design pressure quick opening safety long service
~H Singh B, Design Engineer, Vadodara, India
Improving on designs, types of liquids
~Brad O, Manufacturer, Perth, Australia
Properties of the materials used.
~geronimo g, procurement engineer, abu dhabi, uae
The use of ductile cast iron.
~Salah M, Engineer, Abudhabi, U.A.E.
Materials used, ease of use
~Dave C, Marketing/Sales, Mississauga, Canada
Implicitly typed links way
~Qin Lixun, Manufacturer, Handan, China
What materials can be used.
~Joe Colfer, Purchaser, Naas Co kildare, Ireland
With tripod and chain
~HAMID H, Purchaser, RIYADH, SAUDI ARABIA
The crafts
~Wendy Cao, Marketing/Sales, Changsha, China
Precast
~Engineering, Consulting, Doha, Qatar
Theft
~Marketing/Sales, JOHANNESBURG, South Africa

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Q:
From your perspective, which companies are creating the most innovative manholes and manhole covers?
12 answers
Answers:
Some of them from China, Strongwell & Fibertech from UK etc.
~Amit S, Engineer, Lucknow, INDIA
Manholes: Romold and Hofitt in Israel.
~Engineering, Design, Bursa, Turkey
Neenah Fdy, EJIW Fdy, U.S. Foundry
~Steve D., Marketing/Sales, Atlanta, GA
I haven't heard good information.
~Qin Lixun, Manufacturer, Handan, China
Emco wheaton, Equip tank, Liquip
~Ahmed, Technical office engineer, Cairo, Egypt
Betts Treloar Liquip
~Brad O, Manufacturer, Perth, Australia
Developing companies
~Wendy Cao, Marketing/Sales, Changsha, China
Companies using HDPE.
~Joe Colfer, Purchaser, Naas Co kildare, Ireland
UK company
~HAMID H, Purchaser, RIYADH, SAUDI ARABIA
Stanton
~Salah M, Engineer, Abudhabi, U.A.E.
Neehan
~Engineering, Design, Orlando, FL
Saxon
~geronimo g, procurement engineer, abu dhabi, uae

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