enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. ISO 15398 - Wikipedia

   en.wikipedia.org/wiki/ISO_15398

   The constraint "non-traffic areas" is also the crucial difference to the general European Standard for manhole covers EN124, which is only for vehicular access areas. Plastic-manhole covers according to ISO 15398 are designated for the commitment on control- and inspection chambers in pedestrian (class A 15) and light vehicular areas (max ...

3. Manhole cover - Wikipedia

   en.wikipedia.org/wiki/Manhole_cover

   A round manhole and its cover. A manhole cover is a removable plate forming the lid over the opening of a manhole, an opening large enough for a person to pass through that is used as an access point for an underground vault or pipe. It is designed to prevent anyone or anything from falling in, and to keep out unauthorized persons and material.

4. Sacramento’s history is underfoot. Take note of these manhole ...

   www.aol.com/sacramento-history-underfoot-note...

   About 6-8 companies do the bulk of municipal business, Kurkul estimated. The manhole cover business has turned over the years, from the sort of ornate covers that a business like Berry’s Foundry ...

5. Septic tank - Wikipedia

   en.wikipedia.org/wiki/Septic_tank

   Groundwater pollution, water pollution e.g. during floods [1] A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate ...

6. Sanitary manhole - Wikipedia

   en.wikipedia.org/wiki/Sanitary_manhole

   Sanitary manhole. A sanitary manhole (sewer manhole, [1] sanitary sewer manhole[2] or sewer maintenance hole[3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage gas. [4]

7. Neenah Foundry - Wikipedia

   en.wikipedia.org/wiki/Neenah_Foundry

   Neenah Foundry. Neenah Foundry is a manufacturing company in the north central United States, based in Neenah, Wisconsin. The company manufactures cast iron manhole covers, gratings, and similar items for municipal and construction applications. Neenah Enterprises, Inc. manufactures iron castings for the heavy truck, agriculture, construction ...