Tabitha Mishra
Articles by Tabitha Mishra
An In-Depth Look at the Role of Drilling Fluid Systems in Trenchless Construction
Drilling fluid selection and management should start even before bidding on a job, as the quality of drilling mud can be the difference...
Mixing the Mud: The Science of Drilling Fluid in HDD
Drilling fluid is the life fluid of a trenchless project; it can literally make or break a borehole. Therefore, managing and selecting the...
Utility Tunneling Vs. Pipe Jacking Trenchless Construction Methods
Take a look at the utility tunneling and pipe jacking trenchless construction methods, and discover how their key differences play a...
Understanding Key Laboratory Testing Methods for Site Investigation
Soil investigation, both intrusive and laboratory testing, can be a life-saver in terms of cost and time. These tests help the contractor...
What Lies Beneath: The Top 3 Intrusive Site Investigation Methods
Intrusive site investigations provide a firsthand look at what's beneath the surface, and using these methods, one can gather information...
Understanding the 4 Stages of Site Investigation
Site investigation is an integral part of any construction project, and should be attributed as much significance as any other part of the...
Corrosion Mechanisms of Buried Pipes
Metal pipes are subject to corrosion irrespective of their environment, unless they are protected. Corrosion primarily weakens a pipeline...
Why Reinforced Concrete Pipe Is Ideal for Pipe Jacking
The long service life of reinforced concrete pipe (RCP), its strength and durability, has made it an economical choice for contractors and...
The Direct Pipe Method: Combining the Benefits of HDD and Microtunneling
Direct pipe is a hybrid method incorporating the benefits of HDD and microtunneling, while setting aside tedious, time-consuming processes...
The Importance of Tracer Wire Systems in Trenchless Technology
One way to ensure that pipelines are accurately detected is using tracer wires during installation so that they can be detected at a later...
How to Detect and Control Hydrogen Sulfide Corrosion Problems in Sewer Pipes
The cost of hydrogen sulfide corrosion rehabilitation escalates when municipalities fail to undertake periodic inspections, and condition...
Butt Fusion & Polyethylene Pipe: How to Effectively Use This Trenchless Method
Polyethylene pipes are virtually impervious to attack by moisture, water and soil, and are non-conductors of electricity. These are some of...
Identifying and Managing Dangers Associated with Subsurface Utilities
The risk associated with digging blindly can be dangerous or even fatal. Knowing the location of utility lines is very important prior to...
Effectively Using Utility Detecting Devices
Science and technology have played an important role in making utility detection precise, efficient and easy to use. The importance of...
Your Comprehensive Guide to Condition Assessment of Buried Pipelines
Not only is a failed sewer system harmful for the environment, it is also expensive to rehabilitate. This is where condition assessment...
Trenchless Rehabilitation Evaluation: How to Properly Inspect and Locate Damaged Pipelines
Trenchless technology makes it possible to use trenchless nondestructive inspection methods. This helps to isolate pipes that need repair,...
Planning a Bore For a Trenchless project? Here Are 5 Important Factors to Consider
Trenchless projects are conducted beneath the surface and rely heavily on previously collected data from municipalities and through soil...
How Loads Affect Buried Pipes
For pipes buried under the earth, the effect of load is not observable and is only evident at pipe failure that results in leakage, loss of...
Top 5 Challenges Faced By Trenchless Technology Projects
Trenchless technology has changed the face of the construction industry, but that does not mean that trenchless technology is flawless; it...
Why Trenchless Technology Improves Asset Management in Your Municipality
Asset management helps evaluate issues and take appropriate action before a failure can occur. Regular assessment and maintenance is a good...
How Trenchless Technology Improved Remediation Well and Water Well Digging Practices
The practice of using HDD for installing remediation wells began in the 1990s to counter the escalating costs of traditional remediation...
A Comprehensive Guide to Fracture Mechanics and Material Safety Testing
Since the 1950’s, fracture mechanics gained traction and has been proven to be an excellent resource in understanding the the formation and...
Getting Technical: Information Required in a Geotechnical Investigation Report
Much importance has been attributed to geotechnical reports, primarily because of their ability to steer a project in the right direction,...
The True Cost of Trenchless Vs. Open Trench Sewer Repair
Whenever a sewer rehabilitation project is undertaken, the primary consideration is usually the cost factor. There are two options...
Everything You Need to Know About Pipe Jacking
Pipe jacking is very efficient and employs a full face machine, but it has its limitations. Learn everything and more about pipe jacking...
Microtunneling Vs. Horizontal Directional Drilling: Understanding the Differences Between These Key Trenchless Methods
Horizontal directional drilling and microtunneling have become terms synonymous with trenchless technology. While both these methods can...
Trenchless Technology Associations and Institutes in the U.S.
Check out this list of associations that deal with the implementation and advancement of trenchless technology, safety and material...
How Thermoformed Pipe is Used for Sanitary Sewers
Thermoform means to shape a plastic material such as high-density polyethylene (HDPE) or polyvinyl chloride (PVC) using heat and pressure....
Methods for Preventing Corrosion in Infrastructure
Corrosion happens to be the primary cause for maintenance related issues wherever metal is used. Cathodic protection can be applied to...
Bentonite and the Use of Drilling Mud in Trenchless Projects
Bentonite in drilling mud is used to both assist the drilling and boring process, as well as condition the ground depending on the soil...
How Fuzzy Logic is Making Big Profits in Trenchless Technology
The directional drilling industry is gaining strong results from using fuzzy logic. Learn how fuzzy logic is turning major profits in the...
Replacing Galvanized Steel Pipes Using CIPP and Sliplining
Galvanized steel pipes are made by dipping steel pipes into molten zinc. This coating helps prevent the pipe from corroding, however;...
The Evolution of Horizontal Directional Drilling (HDD)
Horizontal directional drilling (HDD) began in the oil and gas industry and is new in the construction industry. It was first introduced...
Are Construction Traffic Diversions Necessary for Trenchless Projects?
Construction traffic diversions are often needed during conventional trenching, however, during trenchless projects, traffic may or may not...
Trenchless Construction for Gas Lines
Gas pipelines may pass through environmental areas like palustrine wetlands, estuaries, rivers, lakes, gardens and forests, trenchless...
Understanding the Differences Between Pigging and Robotic Pipe Inspection Methods
Pigging and robotic inspection have become important parts of trenchless operations, but before deciding, you need to make cost estimates...
Trenchless Pipeline Installation Methods and Their Pros and Cons
There are many trenchless pipeline installation methods, like HDD, HAB, pipe ramming, and impact moling, however, these all come with their...
How to Defrost Frozen Pipes
Depending on location and material, how to defrost frozen pipes is different for each circumstance. There are several methods used to...
Tips on Preventing Frozen Pipes
'Prevention is better than cure' is an old and wise adage and it applies well to winter preparation and preventing frozen pipes. Locate...
Is the Elon Musk Tunnel Boring Machine a Game Changer?
The Elon Musk tunnel boring machine (TBM) is surprisingly a used one he named Godot, which is 14-feet in diameter and about 400-feet long....
Types of Deviation That can Occur During Drilling Projects
Deviation is essentially departing from the intended course and ending up somewhere entirely different. Collectively, these types of...
How Tunnel Boring Machines Work
The efficient modern tunnel boring machine (TBM) that smoothly slices through clay, rock and shale is a result of many failed attempts at...
Common Issues That Come With Larger Diameter Boreholes
Direct indicators of an unstable borehole include the excess volume of drill cuttings, caving or heaving at the surface, cement required in...
How Trenchless Water Line Repair Can Save Homeowners Money
The cost associated with changing plumbing lines have many homeowners trying to make do with faulty, leaking plumbing and taps. Fortunately...
Protect Your Home Against Drain Clogs
Bathroom drain clogs occur when skin flakes, body oil, hair, dirt and soap build up on the walls of the drain pipe. In the kitchen, they...
How to Tell When a Water Line Needs Repair: Trenchless for Water Lines
The most common signs of impending water line repair are leaky faucets, loss of water pressure, discolored water, and dampness or mold on...
Trenchless Technology for Natural Gas Installation
A quarter of the energy needs of the United States are met by natural gas. Through trenchless technology, it is now possible to lay natural...
The Basics of Spray-in-Place Pipe
Here we will take a closer look at the SIPP method of pipe rehabilitation, a trenchless method similar to CIPP and which still eliminates...
Using Trenchless Technology to Replace City Lead Pipes
Many methods like cured-in-place pipe (CIPP), sliplining, pipe bursting, pipe pulling, etc. have revolutionized the underground...
Easement and Contract: The Legalities of Trenchless Projects
The most challenging part in the planning phase is land easement acquisition. Thanks to trenchless technology, land owners are more...
Sliplining or Pipe Bursting for Pipe Repair?
Sliplining is ideal for straight pipes with slight to no bends, no protrusions or severe deformations. Pipe bursting does not allow for...
Working With Drilling Deviations
Drilling deviations come in many forms. The 1st order lineal deviation includes vertical deviation (msVD) and horizontal deviation (msHD)....
The Process of Pipe Ramming
When it comes to placing pipes under railroads, embankments, roads and landscapes, pipe ramming is the preferred trenchless method because...
The Lifespan of Steel, Clay, Plastic & Composite Pipes
The commonly used pipe materials are high-density polyethylene (HDPE), Polyvinyl Chloride (PVC), reinforced concrete, steel, and vitrified...
When Ground Improvement is Needed During Trenchless Rehabilitation
Ground improvement is basically done to stabilize soil and prevent it from settling or collapsing, especially when a utility pipeline or...
Trenchless Operations Safety Do’s and Don’ts
Though trenchless construction eliminates excavation, the site selected for beginning the project should be where minimum disruption to...
Cost-Saving Trenchless Dewatering in Construction Projects
This water needs to be drained effectively to stabilize the soil so that construction work can proceed. If dewatering is not managed well,...
The Science of Getting it Right: Locating Underground Utilities
This article takes an in-depth look at the advancements in science and technology that allow for the detection of subsurface elements....
Horizontal Directional Drilling: 7 Key Facts to Know
Pilot hole curvature, the reamer size and the viscosity of the drilling fluid all require adequate planning knowledge in horizontal...
Planning a Microtunneling Project: What You Need to Know Before You Begin
Advancements in trenchless technology have made underground pipe installation easier, faster, and cheaper. Failing to plan can mean heavy...
An Overview of Trenchless Tunneling
Trenchless tunneling utilizes a variety of tunneling methods like microtunneling, Directional Drilling, Auger Boring, Moling, etc....
7 Types of Trenchless Rehabilitation Methods and How They Are Used
Trenchless rehabilitation includes grout-in-place pipes, cured-in-place pipes, shotcrete, sliplinging, pipe bursting and more to...
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