Sewer Sense

A newsletter published by NCPI that is based primarily on case histories and promotional articles.

Sewer Sense No. 45 Greenwashing The New Assault On The Environment

Greenwashing: The New Assault on the Environment, What's New in Clay, Clay Pipe Meeting Multiple Challenges, Welcome to the New Sewer Sense


Sewer Sense No. 44 How One Sanitary District Turned A Liability Into An Asset

Fremont grows with proven winner - High ground water installations. A river runs through it - Deep river sewer installation in Winston-Salem, North Carolina. How one sanitary district turned a liabil...


Sewer Sense No. 43 Atlanta's Point Repair Practice

Atlanta's Point Repair Practice/Guidelines for Making Restoration Decisions/Virginia Sewer Named Trenchless Technology New Installation Project of the Year/The Virginia DOT Uses Clay Microtunneling Pi...


Sewer Sense No. 42 The Tests Are In And VCP Is Tops

The tests are in and VCP is tops - University of Houston joint test/Soldier Field renovation project – case history – Chicago, Illinois/only clay pipe will do – Ann Arbor, Michigan – case history/NCPI...


Sewer Sense No. 41 VCP The Choice for Difficult Applications

VCP – the choice for difficult applications/celebrating 80 years of dairy excellence – Litchfield, Minnesota – case history/this time we are using clay pipe and that is our final answer – Leiner Davis...


Sewer Sense No. 40 Do You Want Vanilla or Rocky Road

Do you want vanilla or rocky road – we'll take vanilla – Chicago O'Hare Airport/clay pipe outlasts the competition and it's not even close – excerpts from various Sewer Sense articles/are you keeping ...


Sewer Sense No. 39 If It Has To Last It Better Be Clay

Invest now for a future return – 100 years/around the world – if it has to last it better be clay – Monterey revisited – business in Britain


Sewer Sense No. 38 Bought the Cheap and Paid the Price

Can Clay's Denlok vitrified clay pipe chosen for Indiana's first microtunneling job/when an asset became a liability/bought the cheap and paid the price ASTM, air test, bedding compression, joints,...


Sewer Sense No. 37 Vitrified Clay Microtunneling Pipe Heads the Class

Vitrified clay microtunneling pipe heads the class/vitrified clay pipe used in Cape Girardeau, Missouri boring project/the value of the "hole in the ground" – case history/why fillers in PVC sewer pip...


Sewer Sense No. 36 Clay Pipe pays Off in the Ice Cream Capital of the World

Clay pipe pays off in the ice cream capital of the world – Le Mars, Iowa – case history/pipes under fire in U.S. tests/the environment – a threat or an opportunity/clay pipe – keeping its promise – 10...


Sewer Sense No. 35 To Be Forever Young - Longevity of Clay Pipe

Date line – Santa Cruz, California – case history/city engineer compares sewer pipe material – Ravenna, Ohio/to be forever young – longevity of clay pipe


Sewer Sense No. 34 A Environmentally Preferable - Take a Close Look at VCP

NAFTA, Corona & VCP combine to protect the environment – Mexico/microtunneling Aloha/a money saving tip/ environmentally preferable –take a close look at VCP/of course there's a lot to fix computer...


Sewer Sense No. 33 VCP at O'Hare

NCPI develops new bedding system – field test line/ a competitive economy requires a sound infrastructure/VCP at O'Hare/PVC under attack/clay pipe – best in the long run/NCPI offers award winning vide...


Sewer Sense No. 32 New Clay Pipe Sewers Bring Relief to City of Redlands, CA

Is America coming up short/viewpoint – it's time America/new clay pipe sewers bring relief to city of Redlands, California, crisis in American infrastructure/from the office of management and budget ...


Sewer Sense No. 31 Working Safely in Confined Spaces

Pipe jacking, no dig, trenchless technologies, microtunneling / micro tunneling and no dig VCP – the perfect match – case history/working safely in confined spaces/when it comes to performance clay pi...


Sewer Sense No. 30 If Rome Had An All Clay Specification

Clay pipe: making the west safe for Winchester/fires in sewers/inflow and infiltration studies/Sacramento county and NCPI prepare pipe for deep burial test for VCP/if Rome had an all-clay specificatio...


Sewer Sense No. 29 Clay Pipe A World Class Performer

Clay pipe – a world class performer/VCP's tradition of excellence upheld world-wide/corrosion: A world-wide problem hydrogen sulfide, wastewater, concrete pipe


Sewer Sense No. 28 How Long Should Sewer Pipe Last

How long should sewer pipe last…how does forever sound/treating wastewater without wasting energy/expanded sewer system spells growth for Michigan community – pipe selection/Can-Clay proves it can/Ron...


Sewer Sense No. 27 Superior Clay Lives up to its Name

Corrosion – the insidious enemy/it is worth the gamble – life cycle, decision making/Superior Clay lives up to its name/NCPI honors Charles W. Carry for distinguished service


Sewer Sense No. 26 Mission Clay - A Profile of Success

Quake hits…pipe rolls – case history/Yellowstone survives trial by fire/in-situ containment – the missing factor/Mission Clay – a profile of success/Two computer programs offered envelope, bedding,...


Sewer Sense No. 25 Gladding, McBean Pipe - Over a Century of Craftsmanship in Clay

The mechanics of a trench collapse/PVC sewer pipe continue to deflect in Lima, Ohio; case history/Gladding, McBean pipe – over a century of craftsmanship in clay/clay pipe protects jet-fuel maintenanc...


Sewer Sense No. 24 New Computer Program Simplifies Trench Load Calculations

New computer program simplifies trench load calculations/Pacific Clay's century of experience pays off on today's projects/hydraulic design simplified by standardization of "n" factor/coping with stre...


Sewer Sense No. 23 Class of 1877 Still Going Strong

Study explores new link/class of 1877 still going strong; case history/claim against VCP joints reviewed/doorway of challenge; Logan Clay Products/torture devices for sewer pipe structural, spigot,...


Sewer Sense No. 22 ASCE Report Reveals New Data on Pipe Selection

ASCE report reveals new data on pipe selection/on television looks can be deceiving/creep, the structural threat/deep burial eliminates two lift stations/new study links hydraulic flow deflection of p...


Sewer Sense No. 21 Clay Pipe Gets Life Term at State Prison at Vacaville, CA

Clay pipe gets life term at state prison at Vacaville, California; case history/unique tunnel line eliminates need for costly pump station; case history/compaction abuse of pipe/is the low bid the bes...


Sewer Sense No. 20 Build as Though It Were Forever

Build as though it were forever/Monsanto industrial waste line protects environment/building to last – a Minneapolis tradition/3 to read on advances in underground pipeline engineering


Sewer Sense No. 19 The Best is Barely Good Enough

The best is barely good enough/Monroe, Wisconsin – the Swiss cheese capital of the USA/back by popular demand/letter perfect/NCPI honors Finster & Hunt for distinguished service


Sewer Sense No. 18 - 104 Years and Still Flowing Strong

Fillers detected in PVC sewer pipe/superdome exhibit stimulates infrastructure interest/104 years and still flowing strong/clay pipe preferred for O'Hare expansion/calculator simplifies gravity sewer ...


Sewer Sense No. 17 When It Comes to Long-Life Sewers, They Wrote The Book

New insight into pipe deflection predictions/clay pipe part of a new concept in landfill/when it comes to long-life sewers they wrote the book/clay sewer pipe shipments up/EPA solicits comment on toxi...


Sewer Sense No. 16 Pipe Stiffness - What Is It

Pipe stiffness-what is it/a case of permanence-100 years of service for San Francisco's cable cars and clay sewers/a case of impermanence-20 year old substitute materials sewer lines fail/NCPI was the...


Sewer Sense No. 15 Clay Pipe The Choice for Earth Cooling Tubes

Independent consultant examines plastic sewer pipe/joint solvents come under OSHA rules/clay pipe the choice for earth cooling tubes/longest clay pipe installed in TX/Low pressure air test for sanitar...


Sewer Sense No. 14 Gladding, McBean's Energy-Efficient Kiln

US Federal Highway Administration takes rigid look at flexible pipe/Dept. of the Navy takes progressive step concerning asbestos poisoning/energy savers keep clay pipe highly competitive/clay pipe goe...


Sewer Sense No. 13 EPA Retains Present Position on Single Material Specification

Rerounding of deflected PVC/Single material specification/Plastic pipe failures trigger re-evaluation of materials & installation techniques/Hazardous wastes - EPA targets hazardous sites/Computerized...


Sewer Sense No. 12 First Under-Building Clay Pipe Laid in Los Angeles

The voice of experience Testimonial letter from William F. Jones describing the advantages of using Clay pipe and the disadvantages of using flexible pipe. Pipe Design all things considered. Ten rea...


Sewer Sense No. 11 Clay Pipe Line at General Motors Plant

Engineers-is More or Less Better? This article describes the difference between deflection theory and reality. The deflection graph shows ASTM D3034 DR 35 pipe exceeding 5% deflection. Article also...


Sewer Sense No. 10 Comparison of Inherent Strength and Delfection of Rigid and Flexible Pipe

Rigid or flexible? - - A question of Mistake Identity. The article describing the difference between rigid pipe and flexible pipe. Both are defined. Full and free Competition conclusively defined b...


Sewer Sense No. 09 Earth Cooling with VCP

Earth Cooling with clay pipe - an innovative approach. The pipe are buried under ground where the cool soil cools the air inside the pipe and the pipe is used to assist the air conditioning system in ...


Sewer Sense No. 08 The Invisible Menace

The Case of the Invisible Menace. This imaginary article describes the danger of methane gas in a sewer line, Hydrogen Sulfide and solvents like MEK. Making taps in clay pipe sewers. Two methods are...


Sewer Sense No. 07 ASTM C 828 is Described

Article on New Air Test for Clay Pipe simplifies procedure. This is an article describing the early testing by Ramier and Reek which led to our Standard ASTM c 828. Guns and or clean water by E. J. ...


Sewer Sense No. 06 Base I.D. The Dimensional Delemma

Base I.D. The Dimensional Dilemma - Mandrel Sizing and the tolerance package / EPA and the National Energy Conservation Program / 10 States Standards agree on quality standards / Improving your EPA mi...


Sewer Sense No. 05 VCP Can Save on Bedding Materials

VCP can save on bedding materials - A comparison of bedding used for rigid and flexible pipe / ASTM vs. FTC - Article on government interference with ASTM / Vitrified Clay Pipe & Solar Heating - Pipe ...


Sewer Sense No. 04 Longevity Emphasized

Rigid vs. Flexible - Spangler equation described including creep, deflection and load / Washington Report - Inflation threatens clean water / Vitrified Clay Pipe low in energy use - VCP compared to PV...


Sewer Sense No. 03 Development and Tests of Compression Joints

Research developed a high performance joint - Tests run by NCPI to evaluate joint materials including sewage exposure, time temperature deformation, shear load, angular deflection, greenhouse root plo...


Sewer Sense No. 02 NCPI Research on Compression Joints

Rigid vs. Flexible Pipe - A comparison of the different design requirements for rigid and flexible pipe. NCPI comment...a report from Washington - NCPI's presence in Washington. NCPI Research on com...


Sewer Sense No. 01 Advantage of ASTM C-425 Joints

Introduction to Sewer Sense describing its purpose / research laboratory with reference to jointing, backfill loads, "n" factor, bedding materials & load factors/jointing - compression joints, infiltr...