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Specification Guidelines
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The Specification Guidelines contains sample specifications and is full of invaluable information on the installation and rehabilitation of pipelines and manholes as provided by NASSCO members. They were prepared by the National Association of Sewer Service Companies (NASSCO, Inc.) in response to requests from engineering firms, municipalities and other organizations concerned with sewer collection system maintenance and rehabilitation. The Specification Guidelines are intended to assist engineers and municipal officials to properly specify sewer rehabilitation work and thereby obtain desired long-lasting results.
These guidelines have been published as a service to the industry. The information is offered in good faith and believed to be accurate at the time of its preparation, but is offered without any warranty, expressed or implied. Additional information may be needed in some areas with regard to unusual or special applications. Consult the contractor or supplier for more detailed information. NASSCO does not endorse any products or processes and assumes no responsibilty for compliance with applicable laws and regulations.
We invite all active members to take part in the development of guidelines and specifications. If you are an active member and you have specification that you would like to include here, please email info@nassco.org.
Our goal is to standardize procedures to ensure that in future each and every rehabilitation project is a success.
Overview
General – Units of Work Defined
CCTV/Inspection
Using flexidata™ (PipeLogix, Inc.)
Large Diameter Pipeline (48 inch and larger) Internal Pipeline Ovality Inspection (RedZone Robotics)
Synchronized Sensor Pipe Condition Assessment (RedZone Robotics)
Multi Sensor Inspection for Large Diameter Municipal Pipelines (RedZone Robotics)
Large Diameter Sewers (Sewer Specialty Services)
Lateral Sewers from Main (TRB Specialty Rehabilitation)
Zoom Inspection of Pipelines (Inframetrix, LLC)
Cleaning
Sewer Cleaner Nozzles (KEG Technologies)
Camel 10 yd Ejector (Super Products)
Coatings
Protective Coating for Chemical Corrosion on Concrete Structures (AP/M Permaform)
Protective Coating of Steel (Raven Lining Systems)
Rehabilitation of Concrete and Masonry Structures With A Protective Coating (Raven Lining Systems)
Applying a Protective High Build Epoxy Coating to a Manhole (Standard Cement Materials)
Submittal Sheet Epoxy (The Strong Company)
General Guidelines
Sewer Pipe and Lining Insertion (NASSCO)
Centrifugally Cast Concrete Pipe (CCCP)
CCCP Sewer and Storm Pipe Renewal (AP/M Permaform)
Cured-In-Place-Pipe (CIPP Mainline Pipes)
Insituform® Process (Insituform)
Pressure Pipelines (Insituform)
Inliner® Process (Lanzo Lining)
Cured-In-Place-Pipe- General Specifications (NASSCO)
National Liner™ Process (National Liner)
Fold and Form/Folded and Reformed
Expanded in Place PVC Pipeline Reconstruction (Miller Pipeline)
Pipe Rehabilitation by Thermoformed PVC Alloy Pipeliner Method (Ultraliner)
Grouting/Joint Sealing
Chemical Sealing (Grouting) Materials (Avanti International)
Chemical Grouting - Sanitary Sewer (Avanti International)
Large Diameter Pipe Joint Sealing Type II (Avanti International)
Grout 250 Grout 1000 Specifications (The Strong Company)
High Performance Mix (The Strong Company)
Strong Plug Specification (The Strong Company)
Submittal Sheet Strong Plug (The Strong Company)
Lateral/Renewal Repair
TOP HAT Fiberglass Lateral Seal Installation Specs (Amerik Supplies)
Sealing of Lateral Connections and Lateral Service Lines in Sanitary Sewers (Logiball, Inc.)
Cured In Place Lateral Lining (LMK Enterprises)
Installation Practice for Rehabilitation of Manhole Chimney’s (LMK Enterprises)
Lateral Renewal T-Liner® (LMK Enterprises)
Vacuum Inserted Sewer Clean-Out VAC-A-TEE (LMK Enterprises)
Lateral Reconstruction of Sanitary Sewers (Maxliner)
Testing and Sealing of Laterals (Avanti International)
CIPP Lateral Lining (BLD "Top Hat" & BLD "Top Hat Plus")
Manhole
Applied Frame-Chimney Internal Seal (AP/M Permaform)
Cured-in-Place Chimney Liner (AP/M Permaform)
Insitu Replacement Formed-In-Place Concrete (AP/M Permaform)
Insitu Replacement, Permaform Formed-In-Place Concrete/Embedded Plastic Liner (AP/M Permaform)
Manufactured Frame-Chimney Liner (AP/M Permaform)
Protective Coating for Chemical Corrosion on Concrete Structures (AP/M Permaform)
Structural Cementitious Liner (AP/M Permaform)
Structural Composite Liner (AP/M Permaform)
Structural Polymer Concrete Liner (AP/M Permaform)
Structural Polymer Liner (AP/M Permaform)
Catch Basin Sealing and Reinforcement (AP/M Permaform)
Sealing System (Avanti International)
CCI Spectrashield (SpectraShield Liner Systems)
Manhole Sealing- Heat Shrinkable Sleeve (CCI Pipeline Services)
Product Guide Spec for Encapsulation System (CCI Pipeline Services)
WrapidSeal PDS (CCI Pipeline Services)
Manhole Frame-Chimney Sealing with Mechanical Seal (Cretex Specialty Products)
SealGreen- Surface Preparation (Cretex Specialty Products)
SealGreen- Condensed Manhole Frame Seal (Cretex Specialty Products)
SealGreen- Material Preparation & Application (Cretex Specialty Products)
Sewer Manhole Sealing (NASSCO)
Non-Structural Rehab of Manhole Frame-Chimney Using Manufactured Frame-Chimney Seal System (NPC)
Masonry Manholes or Underground Vaults with a Protective Coating (Raven Lining Systems)
Spraywall Structural Circular Specification (Sprayroq)
Applying a Protective High Build Epoxy Coating to a Manhole (Standard Cement Materials)
Installing a Protective Cement Liner System (Standard Practice) (Standard Cement Materials)
Providing Structural Bench Repair, Bench Creation or Adjustment (Standard Cement Materials)
Bench Mix (The Strong Company)
Bench Mix Specifications (The Strong Company)
General Liner Specifications (The Strong Company)
Grout 250 Grout 1000 Specifications (The Strong Company)
Hpm Specifications (The Strong Company)
MS2-a Specifications (The Strong Company)
MS2-c Specifications (The Strong Company)
Profile Mix Plus (The Strong Company)
QSR Specifications (The Strong Company)
Specification for Composite (The Strong Company)
Specification for Epoxy (The Strong Company)
Specification for Sealant (The Strong Company)
Submittal Sheet Epoxy (The Strong Company)
Submittal Sheet Profile Mix (The Strong Company)
Submittal Sheet Sealant (The Strong Company)
Storm Manhole Casting Quick-Adjust-Asphalt Resurfacing (Mr. Manhole)
Sanitary Manhole Chimney Reconstruction- Concrete Collar (Mr. Manhole)
Sanitary Manhole Chimney Reconstruction- Asphalt Collar (Mr. Manhole)
Sanitary Manhole Chimney Reconstruction- Masonry Remediation (Mr. Manhole)
Sanitary Manhole Chimney Construction- Concrete Collar (Mr. Manhole)
Sanitary Manhole Chimney Construction- Asphalt Collar (Mr. Manhole)
Manhole Rehab - Cementitious Mortar (WBE Dorcas)
Manhole/Wet Well Rehab (WBE Dorcas)
Manhole Wet Well Rehab - Severe Sulfide (WBE Dorcas)
Rainstopper™ Inflow Protectors - Model Descriptions (WBE Dorcas)
Rainstopper™ Odorknocker (WBE Dorcas)
Rainstopper™ W/SS Handle Specification (WBE Dorcas)
Manhole Rehab Epoxy - SG Mastic (WBE Dorcas)
Zoom Inspection of Manholes (Inframetrix, LLC)
Pipebursting
Mainline Sewer Replacement using Pipebursting (International Pipebursting Association)
Point Repair/Spot Repair
Fiber Spot Repair System Sectional Cured-In-Place Pipe (CIP) (Amerik Supplies)
Pipe Point Repair, Cured In Place Method (Magnaline Process) (Great Lakes TV Seal)
Cured-In-Place Sectional Lining (LMK Enterprises)
Pumping
Temporary Bypass Pumping Systems (Godwin Pumps of America)
Roll Down/Diameter Reduction
Polyester Reinforced Polyethylene (PRP) Pipe for Pressure Pipe and Water Mains (Insituform)
Root Control
Sewer Line Chemical Root Control (Duke’s Root Control, Inc.)
Chemical Root Treatment for Sewer and Storm Lines (RootX)
Sewer Line Chemical Root Control (RootX)
Foaming Root Control Herbicide (Vaporooter)
Testing
Chemical Grouting- Sanitary Sewer (Avanti International)
Sewer Pipe Joint Testing (NASSCO)