Approval Updates

Select a document from the list below:

  • HP Pipe Approved By ITD And ISPWC After many successful installations across the State of Idaho, HP pipe is being included in many Specifications. Among the Standard Specifications including HP are Idaho Standards for Public Works Construction (ISPWC) and Idaho Transportation Department (ITD). (PDF PDF)
  • Indianapolis Approves ADS N-12® HP 12” Through 60” Pipe for Public Storm Systems ADS N-12® HP pipe now approved in Indianapolis for Stormwater applications. (PDF PDF)
  • Nashville Metro Approves ADS SANITITE ® HP PIPE ADS SANITITE® HP is now approved in Nashville metro for sanitary sewer applications. (PDF PDF)
  • Nyloplast® Catch Basins Approved For Use Within City Of Bellingham The ductile iron grates can handle extreme traffic loads when properly installed and PVC bodies are immune to virtually all types of internal and external corrosion or other deterioration. (PDF PDF)
  • SaniTite® HP Passes The Greenbook Pickle Jar Test (PDF PDF)
  • Nyloplast® Catch Basins Specified By Washington State Department Of Transportation The ductile iron grates can handle extreme traffic loads when properly installed and PVC bodies are immune to virtually all types of internal and external corrosion or other deterioration. (PDF PDF)
  • Colorado Department of Transportation updates HDPE Approvals CDOT has approved HDPE for Classes 1 through 10 as shown in Table 624- 1, which lists the allowable pipe material by class. (PDF PDF)
  • HP Storm Pipe Approved for Use in Ada County Highway District Ada County Highway District (ACHD) has reviewed N-12 HP and has approved it for use in right-of-way applications. N-12 HP has been approved per ASTM F2736 and ASTM F2764. (PDF PDF)
  • ADS SaniTite® HP Pipe Approved for Use in Illinois The Illinois Environmental Protection Agency has determined that SaniTite HP is acceptable for gravity sanitary sewer use in Illinois in 12'–60' diameters per ASTM F2736 and F2764. (PDF PDF)
  • ADS SaniTite® HP Pipe Approved for Use in Indiana The Indiana Department of Environmental Management has determined that SaniTite HP is acceptable for gravity sanitary sewer use in Indiana in 12'–60' diameters per ASTM F2736 and F2764. (PDF PDF)
  • WSDOT Enhances HP Pipe Approval The Washington State Department of Transportation now approves the use of 12–30' N-12 HP pipe for culvert and storm applications and 12–60' SaniTite HP pipe for sanitary applications. (PDF PDF)
  • City of Chandler Approves New ADS Sanitite® HP (High Performance) Sanitary Sewer Pipe A new addition to the ADS product line, SaniTite HP (High Performance) corrugated polypropylene pipe offers top-performance for municipal sanitary sewer systems. (PDF PDF)
  • Washington Department Of Ecology Specifies New Approvals for BayFilter™ Washington Department of Ecology (DOE) has upgraded BayFilter technology to CULD for basic, enhanced and phosphorous treatment. (PDF PDF)
  • Bayfilter Storm Water Filtration System Now Approved in Henrico County, Virginia Given the NJDEP Interim Certifi cation, Henrico County considers the BayFilter by BaySaver Technologies, Inc. an acceptable Storm Water quality BMP with a removal efficiency for TP of 53%. (PDF PDF)
  • Florida Department of Transportation – Contractors Can Use ADS Pipe Immediately on FDOT Projects On September 14, 2009, the Florida Department of Transportation issued a directive which allows a direct substitution of ADS Class II HDPE pipe, whenever PVC (ASTM F949) pipe is listed, and thru 60” diameter. (PDF PDF)
  • North Carolina Department of Transportation Approves N-12® ST (Soil-Tight) Pipe NCDOT has approved corrugated HDPE AASHTO M294 for use in side drains and slope drains in the Strategic Highway Corridor Network as approved by the Board of Transportation. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved by Wake County Public School System for Storm Drainage Applications WCPSS now approves the use of ADS N-12 pipe for storm drainage applications. The pipe must be manufactured in accordance with ASTM F2306, AASHTO M252 and/or AASHTO M294. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved by City of Fayetteville for Storm Drainage Applications Fayetteville now approves the use of ADS N-12 pipe for both in the right-of -way and outside of the right-of-way. The pipe must be manufactured in accordance with AASHTO M294. (PDF PDF)
  • St. Louis MSD Approves Bayfilter™ for Storm Water Treatment The St. Louis MSD now provides Redevelopment Use Level (RUL) + Provisional Use Level (PUL) approval for use of the BayFilter as a stand-alone water quality BMP. (PDF PDF)
  • ADS and Hancor HDPE Pipe Now Approved In Kansas City Metro The Public Works Department of Kansas City, Kansas/Wyandotte County reviewed the policy regarding HDPE pipe for storm sewer applications. HDPE pipe will be allowed under pavement in private parking lots and streets. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved In Henry County For Under Roadway Applications ADS N-12 Corrugated High Density Polyethylene (HDPE) pipe offers top performance for drainage systems. Following GDOT’s current guidelines, Henry County has modified the Unified Land Development Code and has approved ST and WT HDPE pipe for under roadway applications. (PDF PDF)
  • ADS and Hancor Products Now Approved by Ohio School Facilities Commission Nyloplast® drainage structures, ASTM F 2648 polyethylene pipe and StormTech® polypropylene corrugated wall Storm Water collection chambers have all been approved by the Ohio School Facilities Commission (OSFC) for roadway applications. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved in Phoenix, Arizona for Right-of-Way Applications The City of Phoenix now approves the use of 54' and 60'ADS N-12 WT pipe for right-of-way and under pavement applications. Governing standards and specifications include MAG (Maricopa Association of Governments) and the City of Phoenix supplements. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved in Goodyear, Arizona for Right-of-Way Applications The City of Goodyear now approves the use of ADS N-12 WT pipe up to 42' for right-of-way applications and under pavement. Governing standards and specifications include MAG (Maricopa Association of Governments) and the City of Goodyear's trench detail. (PDF PDF)
  • Rhode Island Allows Job-Specific 'Equal Bid Option' Provision for RCP & HDPE Pipe ADS/Hancor HDPE pipe offers top-performance for drainage systems. HDPE pipe provides significant performance advantages, plus the best joint in the industry. (PDF PDF)
  • New Jersey Department of Transportation Has Altered Its Policy for the Specifications of ADS / Hancor HDPE Drainage Pipe ADS/Hancor N-12? HDPE pipe offers the strength required for the toughest drainage projects. Long term durability coupled with lower costs offers long term value for a superior infrastructure. (PDF PDF)
  • Idaho Transportation Department Increases Maximum Height of HDPE to 25 Feet Effective July 2009, Idaho Transportation Department has increased the allowable maximum fill height on ADS/Hancor corrugated high-density polyethylene (HDPE) pipe to 25 feet of cover. (PDF PDF)
  • Imperial County Approves HDPE Pipe for All Public and Private Storm Drain Applications On April 14, 2009, the Public Works Department of Imperial County, California updated their Engineering Design Guidelines to include AASHTO M-294 specified Type S high-density polyethylene (HDPE ) pipe. (PDF PDF)
  • LFUCG Follows KYTC Lead and Approves ADS and Hancor HDPE Pipe for Storm Sewer and Culvert Applications Lexington-Fayette Urban County now approves the use of (HDPE) pipe for use in all storm drain applications. (PDF PDF)
  • BayFilter System Receives NJDEP Certficiation Advanced Drainage Systems, Inc. (ADS), today announced that the BayFilter™ System has been granted interim certification by the New Jersey Department of Environmental Protection (NJDEP). (PDF PDF)
  • High Density Polyethylene Pipe Approved Within Anne Arundel County Right-of-Way March 2009, Anne Arundel County approved all diameters of HDPE pipe in ROW and under pavement applications. (PDF PDF)
  • Los Banos Approved HDPE Pipe for All Storm Sewer Applications Public and Private On December 11th 2008, the City of Los Banos, Public Works Department approved HDPE pipe for all public and private storm sewers up to 60'. (PDF PDF)
  • Las Vegas, NV – Nevada DOT Approves HDPE for Drainage Applications Recently, the Nevada Department of Transportation approved HDPE pipe, in diameters 12 through 48-inch, for drainage project applications that require minimum life of 50 years, which includes frontage roads, urban or rural minor collectors, major rural collectors, minor arterials and some principal arterials. (PDF PDF)
  • Reno, NV – Nevada DOT Approves HDPE for Drainage Applications Recently, the Nevada Department of Transportation approved HDPE pipe, in diameters 12 through 48-inch, for drainage project applications that require minimum life of 50 years, which includes frontage roads, urban or rural minor collectors, major rural collectors, minor arterials and some principal arterials. (PDF PDF)
  • New Specification Approves ADS pipe in City of Amarillo In December 2008, the City of Amarillo Texas approved a new specification for ADS and Hancor HDPE pipe for city stormdrain applications in diameters greater than 18'. (PDF PDF)
  • Livingston County Approves N-12® for County Drain Installations N-12 pipe is the world's standard for corrugated polyethylene drainage pipe. Introduced in 1987, N-12 features a smooth interior wall and a corrugated exterior wall, offering exceptional strength and hydraulics. (PDF PDF)
  • Pierce County and City of Tacoma Approve Corrugated HDPE Up Through 60-in Diameter ADS and Hancor produce WTIB N–12® and BLUE SEAL® HDPE pipe that provides the strength needed for tough applications. Not only does it offer the best watertight joint in the industry, but it offers abrasion resistance and won't rust or corrode like concrete or steel. (PDF PDF)
  • Clark County approves SaniTite® HDPE pipe for use in sanitary sewer applications Clark County Nevada approves SaniTite, High Density Polyethylene Pipe, 24” - 60”, for Sanitary Sewer applications. (PDF PDF)
  • City of Houston approves ADS and Hancor pipe for public storm sewer The recently revised City of Houston Standard Specifications now allows high density polyethylene (HDPE) pipe for storm sewers within City right-of-way. (PDF PDF)
  • ODOT approves ADS & Hancor type 1 6020WQA Water Quality Units The Ohio Department of Transportation now approves the ADS & Hancor 6020WQA as a Type 1 manufactured system for use throughout Ohio. (PDF PDF)
  • Massachusetts Department of Environmental Protection has issued approval for use of the GEO-Flow™ Pipe Leaching System On July 7, 2008 the Massachusetts DEP issued a “Certification for General Use” and an “Approval for Remedial Use” to ADS/Hancor for use of the GEO-Flow Pipe Leaching System in soil absorption system applications in Massachusetts. (PDF PDF)
  • Michigan Plumbing Board Approves N-12® WT IB For Private Storm Sewer Applications Effective August 2008, Michigan Plumbing Board approves 12'- 60' ADS N-12 WT IB High Density Polyethylene Pipe for private and commercial Storm Sewer applications. (PDF PDF)
  • ADS & Hancor Pipe Allowed In Public Strom Sewers, Street Pavement Crossings And Public Right-of-Ways ADS and Hancor produce N–12® and BLUE SEAL® superior HDPE pipe that provides the strength needed for tough applications. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved for All Storm Sewer Applications by Virginia DOT Per HDA 08-01, Dated January 22, 2008, HDPE pipe is now permitted for ALL storm sewer applications. (PDF PDF)
  • ADS Products Make Storm Water Management Easier in St. Louis The St. Louis MSD now approves ADS & Hancor Water Quality Units, StormTech® Chambers, Pipe Detention Systems and FloGard™ Dual-Vortex Hydrodynamic Separators (DVS) for use in Storm Water management. (PDF PDF)
  • City of South Jordan Approves ADS & HANCOR HDPE Pipe for Right-of-way Applications The rugged, lightweight design of N–12 and Sure–Lok makes them easier and more cost–effective to install. (PDF PDF)
  • Southern California Greenbook Committee Expands Specifications for HDPE Pipe in Storm Sewer Applications On August 16, 2007 the Greenbook Committee unanimously approved updated specifications for HDPE pipe that now include diameters from 12” through 48”. (PDF PDF)
  • City of Provo Approves ADS & HANCOR HDPE Pipe for Storm Drain Applications Along with many other cutting–edge drainage products, ADS and Hancor produce N–12® and Sure–Lok® superior HDPE pipe that provides the strength needed for tough applications. (PDF PDF)
  • Wisconsin Department of Transportation Announces New Pipe Specification Wisconsin DOT has increased the allowable usage of HPDE pipe for culverts and storm sewer construction. (PDF PDF)
  • City of Brampton Approves ADS & HANCOR Pipe for Storm Sewer Applications ADS & Hancor HDPE pipe provides the strength needed for tough applications. It offers abrasion resistance and won’t rust or corrode like concrete and provide better durability than PVC. (PDF PDF)
  • Oregon DOT Establishes New Standard Drawing for HDPE Pipe: RD390 In January 2008, Oregon Department of Transportation published a new standard drawing specific to HDPE. Included in this new standard drawing are increased fill heights for HDPE. (PDF PDF)
  • Tupelo Mississippi public works approves ADS N-12® pipe for public storm systems The Tupelo, Mississippi Department of Planning and community Development now approves the use of ADS N-12 pipe for storm sewer applications behind the curb and yard drains. (PDF PDF)
  • City of Chattanooga Approves ADS N-12 pipe for under pavement applications ADS N-12 Corrugated High Density Polyethylene (HDPE) pipe offers top-performance for drainage systems. The City of Chattanooga Department of Public Development now approves the use of ADS N-12 pipe up to 36 inches for under pavement applications. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved in Louisville for Storm Water Applications ADS N-12 Corrugated High Density Polyethylene (HDPE) Pipe is the ideal choice for roadway drainage systems. HDPE pipe is approved for Louisville and Jefferson County’s Storm Water applications. (PDF PDF)
  • Engineers in Iowa know a good thing when they see it. ADS and Hancor are employee owned, US based companies. Our two plants in Iowa have manufactured HDPE pipe in the state for over 35 years. In 2006, these two plants produced over $40 million dollars of pipe shipped across the state. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved in Several Carolina Cities. ADS N-12 Corrugated High Density Polyethylene (HDPE) Pipe is the ideal choice for roadway drainage systems. HDPE pipe is approved for these cities’ Storm Water applications: Knightdale, Plymouth, Creedmoor, Durham, Greensboro, Huntersville, Hickory, Archdale, Surf City, Kings Mt., Nashville, Morganton, Davidson,Newton, Pilot Mountain, Wingate, Marshville, Angier and Hersonville. (PDF PDF)
  • Madison, Mississippi public works approves ADS N-12® pipe for public storm systems Madison, Mississippi public works approves ADS N-12 pipe for public storm systems (PDF PDF)
  • ADS ARC 24 Septic Leaching Chamber now approved in Kentucky Kentucky approves Arc 24 septic leaching chambers. (PDF PDF)
  • N-12® Pipe Now Approved for Right-of-Way Applications in Montgomery ADS N-12 Corrugated High Density Polyethylene (HDPE) Pipe is the ideal choice for roadway drainage systems. HDPE pipe is approved for Montgomery’s right-of-way. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved For Hancock County ADS N-12 Corrugated High Density Polyethylene (HDPE) Pipe is the ideal choice for roadway drainage systems. HDPE pipe is approved for Hancock County's right-of-way. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved in Rapides Parish ADS N-12 pipe is available with both soil-tight and water-tight joints that meet or exceed ASTM standards. (PDF PDF)
  • Tennessee Department of Transportation approves ADS HDPE PIPE Starting March 15 2007 the Tennessee Department of Transportation now approves ADS HDPE pipe for enhanced drainage applications. (PDF PDF)
  • ADS N-12® HDPE Pipe now approved in the city of Flowood The Flowood, Mississippi Dept. of Public Works now approves the use of ADS N-12 pipe for yard drains and storm sewer applications behind the curb. (PDF PDF)
  • ADS N-12® Pipe Approved for Storm Sewers in Mississippi ADS N-12® Pipe approved for storm sewer applications in Horn Lake and Southaven Mississippi. (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved in Bibb County Special Announcement: ADS N-12® HDPE Pipe Now Approved in Bibb County for Right-Of-Way Applications (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved for 3 Alabama Counties ADS N-12® HDPE Pipe Now Approved for Storm Sewer Applications in the Alabama counties of Talladega, St. Clair and Blount (PDF PDF)
  • Hamilton Country Approves ADS N-12® Pipe Hamilton Country Public Works approves ADS N-12® Pipe for public storm systems (PDF PDF)
  • Fulton Country Approves ADS N-12® Pipe Fulton Country Public Works announces approval of ADS N-12® pipe (PDF PDF)
  • ADS N-12® HDPE Pipe Now Approved in St. Clair County ADS N-12® HDPE Pipe Now Approved in St. Clair County for Right-Of-Way applications (PDF PDF)
  • ADS N-12® Pipe Approved in Lansing ADS N-12® HDPE Pipe Approved by the city of Lansing's Right-Of-Way (PDF PDF)
  • Tennessee Approves ADS ARC™24 ADS ARC™24 Septic Leaching Chamber Now Approved in Tennessee (PDF PDF)
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  • Quecbec City Underground Chamber System (PDF PDF)
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  • Greenville Explodes Pathway for Sanitary Sewer Expansion (Web Page Web Page)
  • Expert: Lake Shelbyville Fish Habitat Disappearing (PDF PDF)
  • Kansas School Installs Storage System to Meet Storm Water Requirements (Web Page Web Page)
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  • Redeveloped Drainage at LaGuardia Airport. Pg 36 - 39 (PDF PDF)
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  • CUI Sept 2015 Storm Drain System Succeeds in Salt Marsh for Mega Mall Complex (PDF PDF)
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  • Sports Turf July 2015 Youngsville Sports Complex (PDF PDF)
  • Stormwater May 2015 Pipe Culverts and Detention Systems 10983 (PDF PDF)
  • Waterworld Nov 2015 Southgate Stems Sanitary Sewer Overflow (PDF PDF)
  • Stormwater Projects in Merrillville, IN Utilize ADS MEGA GREEN Pipe (PDF PDF)
  • Giving more lift to a Lift Station (PDF PDF)
  • Ditchmen- July 2014 ADS - Providing for the Advanced Drainage Needs of Florida (PDF PDF)
  • Engineering Minnesota Aug 2014 - Richfield (PDF PDF)
  • MSW - Feb 2016 - Sanitite - HP - Casestudy -11004 (PDF PDF)
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  • Stormwater June 2014 - Oak St. Repair (PDF PDF)
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  • Emco Waterworks - Winter 2012-13 - Stormtech - Equipment - Review (PDF PDF)
  • Waterworld - April 2013 - Depth - Perception (PDF PDF)
  • cenews - April 2013 - Strategies for Successful Performance 10809 (PDF PDF)
  • missouri chapter - apwa - oct2013 - newsletter (PDF PDF)
  • Publicworks - Oct. 2013 - Cold- Weather Sewer Correction (PDF PDF)
  • Michigan Project includes Versatile Drainage System (Web Page Web Page)
  • Scott Air Force Base, Mascoutah, IL - HP Storm (PDF PDF)
  • ADS N-12 pipe utilized on New Hampshire DOT Highway (PDF PDF)
  • City of Franklin Approves ADS N-12® HP Pipe for Public Storm Systems (PDF PDF)
  • Minnesota Department of Transportation Expands The Use of ADS N-12® HDPE Pipe (PDF PDF)
  • Oregon Department of Transportation Enhances HP Pipe Approval The Oregon Department of Transportation now approves the full line of HP pipe. Both SaniTite HP and N-12 HP are available in a wide range of sizes from 12–60' diameters for flexibility in all your projects. (PDF PDF)
  • ADS N-12® Approved in Wake Forest and Zebulon Wake Forest and Zebulon approves ADS N-12 pipe for storm sewers (PDF PDF)
  • Indianapolis approves ADS N-12® pipe Indianapolis approves ADS N-12 pipe for storm sewers (PDF PDF)
  • State of Georgia DOT announces enhanced approval for ADS N-12® pipe (PDF PDF)
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