manhole cover News

  • Combined manhole insert for odor control and inflow protectors

    Combined Manhole Inserts for Odor Control and Inflow Protectors in Boroughs, Towns and Cities are a must in today’s GREEN World. Nearly all municipalities suffer with odor problems from Manholes and Inflow to manholes. During dry weather Manholes can be the source of vile sewer odors. The main odor culprit is Hydrogen Sulfide (H2S), but other malodorous compounds are present, as well. ...


    By Pennington Equipment Company

  • ASTM C139 - 11 standard specification for concrete masonry units for construction of catch basins and manholes

    This specification covers solid precast segmental concrete masonry units made from hydraulic cement, water, and suitable mineral aggregates, with or without the inclusion of other materials. The units are intended for use in the construction of catch basins and manholes. All units shall be sound and free of cracks or other defects that interfere ...


    By ASTM International

  • ASTM C478M - 11 standard specification for precast reinforced concrete manhole sections (Metric)

    This specification covers the manufacture and purchase requirements of products used for the assembly and construction of circular vertical precast reinforced concrete manholes and structures used in sewer and water works. Reinforced concrete shall consist of cementitious materials, mineral aggregates, and water, in which steel reinforcement has been embedded in such a ...


    By ASTM International

  • ASTM C1244M - 11 standard test method for concrete sewer manholes by the negative air pressure (Vacuum) test prior to backfill (Metric)

    This is not a routine test. The values recorded are applicable only to the manhole being tested and at the time of testing. 1. Scope 1.1 This test method covers procedures for testing precast concrete manhole sections when using the vacuum test method to demonstrate the integrity of the installed materials and the construction procedures. This test ...


    By ASTM International

  • Hampton Roads Sanitation District selects Mike Urban for the regional hydraulic model

    Hampton Roads Sanitation District (HRSD) owns and operates an interceptor sewer system consisting of both gravity and force mains, and nine sewage treatment plants (STPs) servicing the Hampton Roads area. The HRSD system is interconnected with, and serves, surrounding Localities, including the cities of Chesapeake, Hampton, Newport News, Poquoson, Portsmouth, Suffolk, Virginia Beach and ...


  • Reading sewer main broken twice in three years

    For the second time in just three years, a sewer main pipe in Reading, Pennsylvania, has ruptured, causing raw sewage to leak into the nearby Schuylkill River. 69 News reported that workers sent to fix the problem were forced to open an emergency gate, which sent the sewage flowing into the river. Not opening the gate would have eventually caused a backup of sewage into nearby resident’s ...


    By SealGuard Inc.

  • Con Edison Employees Win National Honors for Safety Breakthroughs

    Five Con Edison researchers have received prestigious industry awards for projects that protect the safety of our customers and company employees. The researchers were honored with Technology Transfer Awards from the Electric Power Research Institute (EPRI), a leader in research that makes the delivery of electricity safe, reliable and clean. "It's our responsibility to be vigilant in ...


    By Marketwire

  • ASTM C1619 - 11 standard specification for elastomeric seals for joining concrete structures

    This specification covers the physical property requirements of elastomeric seals (gaskets) used to seal the joints of precast concrete structures used in gravity and low head pressure applications. The seals shall be classified as: Class A; Class B; Class C; Class D; and Class E. All gaskets shall be extruded or molded in such a manner that any ...


    By ASTM International

  • ASTM C14 - 11 standard specification for nonreinforced concrete sewer, storm drain, and culvert pipe

    This specification covers nonreinforced concrete pipe intended to be used for the conveyance of sewage, industrial wastes, storm water, and for the construction of culverts. Pipe manufactured according to this specification shall be of three classes of nonreinforced concrete pipe identified as Class 1, Class 2, and Class 3. These pipes shall conform to the strength requirements given in this ...


    By ASTM International

  • Jamaica bans steel scrap exports

    In response to sky-rocketing thefts of, for example, manhole covers, the government of Jamaica has banned the export of scrap metals. ‘We are receiving reports of unprecedented levels of theft of scrap metals in the country,’ Industry Minister Karl Samuda told the country’s parliament, ‘The order will stop all exports of scrap metal until a complete assessment of the trade is undertaken.’ The ...


    By Recycling International

  • ASTM C857 - 12a Standard Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures

    This practice is intended to standardize the minimum structural design loading for underground precast concrete utility structures. The user shall verify the anticipated field conditions and requirements with design loads greater than those specified in this standard. 1. Scope 1.1 This practice describes the minimum live loads and dead loads to be applied ...


    By ASTM International

  • U.S. EPA and U.S. Navy reach agreement on infrastructure upgrades at the Apra Harbor wastewater treatment plant and sewer system

    The U.S. Environmental Protection Agency and the U.S. Navy have completed a compliance agreement that sets out a schedule of upgrades the Navy will make at its Naval Base Guam to the Navy’s Apra Harbor wastewater treatment plant and sewer system. “The Navy has made a substantial commitment of resources to comply with this agreement," said Jared Blumenfeld, Regional Administrator for ...

  • ASTM C412 - 11 standard specification for concrete drain tile

    This specification covers concrete drain tile, of specific internal diameters, intended for surface and subsurface drainage. The concrete shall consist of cementitious materials, mineral aggregates, and water. The cementitious materials could be cement, fly ash, ground granulated blast surface slag, or a combination of the said materials. The physical test requirements for standard-quality tile, ...


    By ASTM International

  • ASTM C118M - 11 standard specification for concrete pipe for irrigation or drainage (Metric)

    This specification covers the specification for the nonreinforced concrete pipe to be used for the conveyance of irrigation water with working pressures, including hydraulic transients, and for use in drainage. The design, joint, and concrete mixture of the pipe is detailed. The acceptability of the pipe shall be determined by the results of the tests prescribed in this specification, such as ...


    By ASTM International

  • GL updates rules for inland navigation vessels

    To ensure the continuing safety and promote the efficiency of inland waterway transport, Germanischer Lloyd (GL) has released an update to the GL Rules for Inland Navigation Vessels (INV). The update to the rules came into effect on 1 November 2011 and consists of rules for: classification and surveys; hull design and construction; machinery, systems and electricity; and additional requirements ...


  • InfoSewer V7

    MWH Soft has released the V7 Generation of InfoSewer for ArcGIS platform. InfoSewer has helped define the standard in the industry for GIS-centric sanitary sewer network modelling and design since 2003. This seventh version of the software introduces key enhancements requested by customers that increase engineering productivity; improve network analysis and design; and enhance the visualisation, ...

  • Parents urged to be half term flood aware

    The multi agency emergency response team has repeated its warning to parents to be aware of potential dangers of floodwater on the Somerset Levels during the half term week. Many parents may be out and about over the coming week with their children, who are on holiday from school. Some may be visiting the Somerset area but we want to urge them to take care and plan their trip carefully, listening ...

  • Knoxville Utilities Board Meets Major Consent Decree Milestones

    The Knoxville Utilities Board (KUB) has completed a mix of sewer replacement, rehabilitation and ongoing maintenance work together with two supplemental environmental projects throughout Knoxville and Knox County, as required under a 2005 consent decree. The Tennessee Department of Environment and Conservation (TDEC) and the Tennessee Clean Water Network were co-plaintiffs with the United States ...

  • IAC wins evaluation and repair contract

    Saline Water Conversion Corporation ($WeC), the gcNernment corpor,ltion operating desalination plants in Saudi Arabia, recognised Ihe need for a comprehensive evaluation and rehabilitation program 10 reduce potential blockages and fOad coUapses m the extensive network of sewers at their large AI-Khobar City facility in Eastern Province of the Kingdom. SWCC floated a tender 10 evaluate and rep31r ...

  • ASTM C412M - 11 standard specification for concrete drain tile (Metric)

    This specification covers concrete drain tile, to be used for surface and subsurface drainage. Manufactured drain tile shall be of the following classes: standard-quality concrete drain tile, extra-quality concrete drain tile, heavy-duty extra-quality concrete drain tile, and special-quality concrete drain tile. The concrete shall consist of mineral aggregates, water, and cementitious materials ...


    By ASTM International

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