Trenchlesspedia - Trenchless Solutions Through Education

Pressure: Why It’s the Key to Preventing Inadvertent Returns

The inadvertent return of drilling fluid is common in horizontal directional drilling (HDD) projects, and though not harmful to the environment, inadvertent returns are...

By: Tabitha Mishra | Civil Engineer, Technical Content Writer

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Trenchless Rehabilitation
The 5 Best Pipe Joining Methods You Can Always Depend On

By: Denise Sullivan | Technical Writer @ Trenchlesspedia
Trenchless Construction
Understanding the 4 Stages of Site Investigation

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Trenchless Rehabilitation
How to Tell if Your Home Has Asbestos Cement Pipes

By: Denise Sullivan | Technical Writer @ Trenchlesspedia

Popular on Trenchlesspedia

Trenchless Rehabilitation

Hoop Stress

Hoop stress is the stress that occurs along the pipe's circumference when pressure is applied. Hoop stress acts perpendicular to the axial direction. Hoop stresses are tensile and generated to resist the bursting effect that results from the application of pressure.Three principal stresses...

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Trenchless Rehabilitation

Invert level

An invert level is defined as the elevation of the inside-bottom of a pipe, trench, culvert, or tunnel. It may also be considered the "floor level" of a pipe.Invert levels are essential for assessing the flow in a piping system. For example, the invert of a municipal sewer connection can...

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Trenchless Construction

Nominal Diameter

Nominal Diameter is also known as the mean or average outside diameter and is represented by DN. It is neither equal to the inner diameter (ID) nor the outer diameter (OD) of the pipe. Nominal is a word that denotes non-specificity and in this case, identifies the approximate inner diameter with a...

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Trenchless Rehabilitation

The 5 Best Pipe Joining Methods You Can Always Depend On

Proper pipe joining methods leave the lines melded together without leaks. Choosing the right approach has many variables.

By: Denise Sullivan | Technical Writer @ Trenchlesspedia

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Trenchless Construction

Understanding the 4 Stages of Site Investigation

Site investigation may be considered the most important part of any project, because without it, projects are likely to run into unexpected problems.

By: Tabitha Mishra | Civil Engineer, Technical Content Writer

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Trenchless Rehabilitation

How to Tell if Your Home Has Asbestos Cement Pipes

Many homeowners do not know they have asbestos lines until one of them breaks allowing fibers to enter the system. Rehabilitation using lining, pipe bursting, or reaming techniques eliminate the problem.

By: Denise Sullivan | Technical Writer @ Trenchlesspedia

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Trenchless Rehabilitation

What are the 7 steps involved in a standard sliplining procedure?

Sliplining is one of the oldest trenchless methods of rehabilitating existing underground pipelines. This technique involves inserting and installing a marginally smaller diameter carrier pipe into a larger host pipe between two predefined points. Sliplining is considered to be a type of structural...

By: Krystal Nanan | Civil Engineer

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Trenchless Rehabilitation

What are the best trenchless rehabilitation procedures to consider?

Many private and public sector organizations are turning to trenchless rehabilitation procedures to repair and maintain underground piping due to their numerous benefits. However, not all trenchless pipe rehabilitation techniques are created equal.It is, therefore, crucial to understand the...

By: Krystal Nanan | Civil Engineer

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Trenchless Rehabilitation

What's the future of UV cured-in-place pipe rehabilitation?

Cured-in-place-pipe (CIPP) has become one of the most important technology trends in the field of trenchless pipe rehabilitation around the world.CIPP allows an in-situ rehabilitation of pipes using glass fiber liners and ultraviolet light curing systems instead of excavation and replacement of...

By: Klaus Langenbach | Managing Director, SAERTEX multiCom LP

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Latest Articles

Trenchless Methods
Environmental Inspection: The New Normal for Trenchless Projects

Requirements for horizontal directional drilling (HDD) environmental planning and construction monitoring vary greatly across North America, but regulatory obligations...

By: Trenchlesspedia Staff
Drilling Fluid
The Key Principles of Effective Solids Control

Well-used drilling fluid will be full of unwanted solid content from the borehole after a drilling operation. The drilling fluid picks up all the soil and rock cuttings...

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Horizontal Directional Drilling
Why HDD Pullback Design and Planning Is Key

Horizontal Directional Drilling (HDD) is often a preferred trenchless pipe installation approach. It is completed in multiple stages including pullback, where a large...

By: Della Anggabrata | Civil Engineer
Drilling Fluid
Ditching the Mud: Your Guide to Drilling Mud Disposal

Drilling mud is a standard component of many horizontal directional drilling (HDD) construction projects. It plays a vital role in stabilizing the bore, removing the...

By: Phil Kendon | Technical Writer @ Trenchlesspedia

Horizontal Directional Drilling
How Horizontal Drilling Rigs Work

Horizontal directional drilling (HDD) is a commonly used trenchless installation method. This article discusses the rig components, the machine mechanism, typical...

By: Della Anggabrata | Civil Engineer
Trenchless Methods
The Process of Pipe Ramming

Pipe ramming works on the principle of soil displacement and is an excellent method for pipeline installation where ground loss is expected due to shallow depth of...

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Trenchless Construction
How Impact Moling Works

Impact moling is one of the oldest trenchless methods and remains one of the most common, cheapest and most efficient. It is especially suitable for short length and...

By: Phil Kendon | Technical Writer @ Trenchlesspedia
Horizontal Directional Drilling
What is Horizontal Directional Drilling?

What is Horizontal Directional Drilling?Horizontal directional drilling (HDD) has come a long way since it first came onto the trenchless scene in the 1970s. It offers a...

By: Phil Kendon | Technical Writer @ Trenchlesspedia

Trenchless Construction
Key Considerations for Benching Design

Sewers perform the simple function of moving water or waste streams from a source to a destination, but sewer design is more complicated than you may think. Most sewers...

By: Phil Kendon | Technical Writer @ Trenchlesspedia
Trenchless Construction
HDD in Tough Conditions: Drilling Between a Rock and a Hard Place

Trenchless construction projects suffer from the same pressures as any construction project - those that make you fall behind schedule and increase cost. However, there...

By: Phil Kendon | Technical Writer @ Trenchlesspedia
Trenchless Construction
Microtunneling Vs. Horizontal Directional Drilling: Understanding the Differences Between These Key Trenchless Methods

Horizontal Directional Drilling (HDD) and microtunneling are trenchless pipeline installation techniques widely used for installing water, sewer, gas, electricity, and...

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Maintenance
An Overview of Robotic Pipe Repair

City workers might always seem to be repairing or replacing underground utility lines, and it is never convenient. Traditional repair work requires trenches and road...

By: Denise Sullivan | Technical Writer @ Trenchlesspedia
Geotechnical Site Investigation
The Science of Getting it Right: Locating Underground Utilities

Imagine a surgeon performing surgery with the lights off: that's what it would be like to dig into the ground without first locating and marking underground...

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
Trenchless Methods
The Pipe Bursting Process

This article covers an overview of trenchless pipe installation methodology, called pipe bursting. It includes aspects in the design consideration, review of effect to...

By: Della Anggabrata | Civil Engineer
Drilling Fluid
The Importance of Fluid Loss Control in Drilling Operation

Drilling fluid (drilling mud) is an essential element of many trenchless construction projects. Over the years, the science of drilling fluid has developed extensively,...

By: Phil Kendon | Technical Writer @ Trenchlesspedia

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Term of the Day

Chromatogram

A chromatogram is a two-dimensional plot with the y-axis depicting detector response for concentration and the x-axis...

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Latest Q&As

What are some of the new trenchless technologies being used to minimize carbon emissions?

By: Bertus Vos | Co-Founder and Principal Engineer, BlueFox Engineering
What's the future of UV cured-in-place pipe rehabilitation?

By: Klaus Langenbach | Managing Director, SAERTEX multiCom LP
Can you trust your tap water during self-isolation?

By: Tabitha Mishra | Civil Engineer, Technical Content Writer
What are the biggest risks involved with trenchless crossing installations?

By: Bertus Vos | Co-Founder and Principal Engineer, BlueFox Engineering
When should I use slurry microtunneling on my trenchless project?

By: Krystal Nanan | Civil Engineer

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Meet Our Experts

Della Anggabrata

Civil Engineer

Della is a Civil Engineer with extensive yet progressing experience in a consulting industry. Her experience primarily focuses on underground infrastructure projects in the Lower Mainland of British Columbia, Canada. She has a unique technical skill that combines civil and geotechnical engineering. Some of her projects are large diameter watermain, water and wastewater treatment plants, sanitary forcemain, and land developments. She is not only a key contributor on the engineering design and project management, she also provides a solid foundation for every success that the team has achieved.

Krystal Nanan

Civil Engineer

Krystal is a civil engineer and project manager with an MSc in Construction Engineering and Management. Her experience includes the project management of major infrastructure projects, construction supervision, and the design of various infrastructure elements including roadway, pavement, traffic safety elements and drainage.

Sky Cato

Director of Operations for Internal Pipeline Solutions

Sky Cato serves as the Director of Operations for Internal Pipeline Solutions and manages much of the day to day operations. He has 14 years of pipeline pigging & rehabilitation experience. Sky is a third generation in the industry and attributes much of his passion for innovation to his father and grandfather.

Pressure: Why It’s the Key to Preventing Inadvertent Returns

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