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  • TNX GeoSiphon Cell (TGSC-1) Phase II Minimum Flushing Velocity Deployment/Demonstration Final Report
    The continuous 2-inch high density polyethylene ( HDPE ) MFV siphon line was installed from the TNX GeoSiphon Cell (TGSC-1) to the X-OS outfall ditch as shown in Figures 1 … … profile), 4 (crest and priming system ), and 5 (discharge sump).
  • Fiscal Year 2009 Annual Report for Operable Unit 3-14, Tank Farm Soil and INTEC Groundwater
    Lined north INTEC drainage ditch with HDPE , July 2009. Section 4.5Expand drainage system to reduce .
  • High-Performance, Low-Cost SmartDitch System Revolutionizing Municipal Storm Water Removal
    … alternative to expensive, maintenance-intensive concrete channels and dumped-stone or vegetated ditches, SmartDitch consists of precision-formed, high-strength HDPE channel sections that can … … installed within virtually any ditch or used as a permanent, maintenance-free lining for existing concrete installations. The system is offered in trapezoidal (12- and 24-in. depths) and semi-circular (24-in. depth …
  • High-Performance, Low-Cost SmartDitch System Revolutionizing Municipal Storm Water Removal
    … alternative to expensive, maintenance-intensive concrete channels and dumped-stone or vegetated ditches, SmartDitch consists of precision-formed, high-strength HDPE channel sections that can … … installed within virtually any ditch or used as a permanent, maintenance-free lining for existing concrete installations. The system is offered in trapezoidal (12- and 24-in. depths) and semi-circular (24-in. depth …
  • Closed Pipe System Replaces Open Ditch Irrigation -- Environmental Protection
    The team decided to replace five miles of open ditch irrigation canals with a poly pipe water distribution system . The pipe system has 45 branches off the main supply line , which ranges from 12 to 36 inches in diameter and from 30 to 50 pounds-per-square-inch high density polyethylene ( HDPE ).
  • Temporary Bypass Allows Big Cured-in-Place Sewer Rehab Job to Proceed
    … pump the wastewater from the wet well into four 18-in.-diameter high-density polyethylene ( HDPE ) pipes. Secured against the concrete- lined bank of an existing drainage ditch , these pressurized temporary mains carried the wastewater downstream to a location approximately 3,000 ft away, where it was returned to the interceptor at a point beyond the repair. The 10 pumps chosen for this bypass system had significantly more capacity than required by the normal …
  • CR4 - Thread: Drainage system
    Re: Drainage system Sounds like he used a perforated, corrugagted, HDPE pipe for the drain. To get the longest service life out of this type drain we cut a ditch , line it with a filter fabric such as Typar, cover the bottom of the ditch with a couple of inches of 1/2" to 3/4" diameter washed crushed …
  • TNX GeoSiphon Cell (TGSC-1) Phase II Single Cell Deployment/Demonstration Final Report
    … 1 With Two Valves At TGSC-I Crest Appendix A-3, Siphon Line Configtlration # 2 Appendix A-4, Siphon Line Configxlmtion # 3 Appendx A-5, Siphon Line Configuration # 4 Appendix … … detector GN - gram negative HDPE - high density polyethylene IC … … not analyzed ND - not detected NF - no flow NPDES - National Poliutant Discharge Elimination System OD - outside dinmeter … … is passively induced by use of a siphon from the cell to the X-08 outfall ditch .
  • D-Area Sulfate Reduction DIW-1 Organic Application Field Study
    … P12A are installed on the upgradient and downgradient sides of the DIW-1 HDPE membrane, respectively, within … The water table surface profile along this line of wells and DIW-1 piezometers is shown in … … not being pumped, it blocks horizontal groundwater flow from DCPRB toward the discharge ditch and directs contaminated … The estimated residence time of contaminated groundwater within the system is eleven days under these conditions (Phifer …
  • Title I conceptual design for Pit 6 landfill closure at Lawrence Livermore National Laboratory Site 300
    The HDPE geomembrane and Geosynthetic Clay Liner (GCL) offers an effective barrier system that will significantly minimize infiltration. Surface water runoff and runon control will consist of lined and unlined surface ditches and channels, down drain pipes, rip rap lined channels, and corrugated metal culverts.