When.com Web Search

  1. Ads

    related to: cast iron manhole lid cost chart

Search results

  1. Results From The WOW.Com Content Network
  2. Manhole cover - Wikipedia

    en.wikipedia.org/wiki/Manhole_cover

    A round manhole cover of a given diameter has a smaller surface area than a square cover of the same width, thus less material is needed to cast the manhole cover, meaning lower cost. The bearing surfaces of manhole frames and covers are machined to assure flatness and prevent them from becoming dislodged by traffic.

  3. Municipal castings - Wikipedia

    en.wikipedia.org/wiki/Municipal_castings

    Drainage Grate Municipal Casting. Municipal castings refers to many products, including: access hatches; ballast screens; benches (iron or steel); bollards; cast bases; cast iron hinged hatches, square and rectangular; cast iron riser rings; catch basin inlet; cleanout/monument boxes; construction covers and frames; curb and corner guards; curb openings; detectable warning plates; downspout ...

  4. Sanitary manhole - Wikipedia

    en.wikipedia.org/wiki/Sanitary_manhole

    A sanitary manhole under construction. 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 ...

  5. Neenah Foundry - Wikipedia

    en.wikipedia.org/wiki/Neenah_Foundry

    Neenah Foundry; Company type: Private; Subsidiary: Industry: Foundry: Founded: 1872, 153 years ago: Headquarters: 2121 Brooks Avenue Neenah, Wisconsin, U.S.: Products: Cast iron infrastructure solutions (manhole frames and covers, inlet frames and grates, trench frames and grates, airport products, bridge drainage, tree grates, detectable warning products, downspout boots, access and hatch ...

  6. EJ (company) - Wikipedia

    en.wikipedia.org/wiki/EJ_(company)

    EJ Group, formerly East Jordan Iron Works, is an American manufacturer of iron products, headquartered in East Jordan, Michigan.The company manufactures and distributes iron construction castings (Municipal castings), fabricated products, composite products, water distribution solutions, and other infrastructure access products for water, sewer, drainage, telecommunications, and utility ...

  7. Caisson (engineering) - Wikipedia

    en.wikipedia.org/wiki/Caisson_(engineering)

    Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.

  8. Cast iron - Wikipedia

    en.wikipedia.org/wiki/Cast_iron

    Cast iron is made from pig iron, which is the product of melting iron ore in a blast furnace. Cast iron can be made directly from the molten pig iron or by re-melting pig iron, [4] often along with substantial quantities of iron, steel, limestone, carbon (coke) and taking various steps to remove undesirable contaminants.

  9. Ductile iron - Wikipedia

    en.wikipedia.org/wiki/Ductile_iron

    Ductile iron is used in many piano harps (the iron plates which anchor piano strings). Ductile iron is used for vises. Previously, regular cast iron or steel was commonly used. The properties of ductile iron make it a significant upgrade in strength and durability from cast iron without having to use steel, which is expensive and has poor ...