Tabitha Mishra
Civil Engineer, Technical Content Writer
Tabitha has a Bachelors Degree in Civil Engineering from Mumbai University, India, and is currently freelancing as a technical content writer. Prior to writing, she has worked as a site engineer and site manager for various building construction, building rehabilitation, and real estate evaluation projects.
Tabitha has extensive experience in the repair and rehabilitation of structurally unsound buildings with considerable damage to structural members including a heritage hospital structure.
Tabitha has also worked as the site engineer for the construction of buildings from the foundation (pile and spread footing) to finish. She is also an expert freelance property evaluator and has valued a wide range of properties from high-end residential complexes and factories, to non-performing assets (NPA) and plant and machinery.
Tabitha is also certified as a Primavera project management professional and is well versed with Auto CAD. In her spare time, she does private consultation for small-sized home builders and assists with plans and permissions.
Preventing inadvertent returns is an important consideration for trenchless projects. Here's why pressure is the key to avoiding them.
To maximize cost savings and minimize waste and redundancy in trenchless projects, effective solids control is a must.
When it comes to placing pipes under railroads, embankments, roads and landscapes, pipe ramming is the preferred trenchless method because it is cost efficient, time...
Horizontal directional drilling and microtunneling have become terms synonymous with trenchless technology. While both these methods can lay pipelines, there are...
This article takes an in-depth look at the advancements in science and technology that allow for the detection of subsurface elements. Methods of surveying and detecting...
Pipe inspection is an integral part of a trenchless project. Here's why the inspection is so important and the key elements to consider.
It all starts and ends with Pits and Excavations in a Trenchless Project. Here is an overview of the kinds of pits utilized in trenchless projects.
Why is mud recycling an important part of an HDD project? The major benefits are keeping costs down in a variety of ways and reducing environmental impact.
Choosing the wrong trenchless method means no matter what, your project will not be a success. Here's how to get it right, right from the start.
The most challenging part in the planning phase is land easement acquisition. Thanks to trenchless technology, land owners are more comfortable handing over their land...
Horizontal directional drilling has made many aspects of pipeline construction easier, but there’s a complex side of HDD that is often overlooked while admiring its...
Trenchless projects are conducted beneath the surface and rely heavily on previously collected data from municipalities and through soil and geotechnical investigations...
Take our quiz and test your knowledge to see how much you know about pipeline inspection.
Trenchless technology has changed the face of the construction industry, but that does not mean that trenchless technology is flawless; it has its share of cha
Learn what it takes to conduct stress measurement in rock mass and choose which test to use for your trenchless project.
Drilling fluid is the life fluid of a trenchless project; it can literally make or break a borehole. Therefore, managing and selecting the right drilling fluid is...
Whenever a sewer rehabilitation project is undertaken, the primary consideration is usually the cost factor. There are two options available for undertaking a repair and...
If dewatering is not managed well, it can cause major problems and concerns for the project, leading to costly delays or even failure.
The utility industry in Asia is ripe for the benefits offered by trenchless technology. Here's why.
Asia's crumbling underground infrastructure and population density have made it the fastest-growing segment in the CIPP market.
Developing countries in Asia are among the world’s fastest-growing economies with millions being invested in infrastructure development every year, but there's a much...
What does a mud engineer do, what is their training and why is it such an important job on trenchless construction sites?
What a geotechnical engineer does, what it takes to become one and everything else you need to know about this dynamic role.
Environmental liabilities and risk of contamination associated with the disposal of drill cuttings have given many contractors sleepless nights. Learn how CRI technology...
Here we will take a look at how corrosion due to hydrogen sulfide in sewer pipes can be controlled.
Curved drives are more complicated than a straight drive and require special guidance systems to correctly steer the cutter head. Learn more here.
Guidance systems are a crucial part of any trenchless project irrespective of the method employed. Excavating without a proper guidance system is just as bad as driving...
Learn why equipment failure occurring in HDD takes place due to the insufficient or improper use of pipe dope.
The COVID-19 pandemic is paving the way for AI to be integrated into trenchless technology. But, can AI be effectively incorporated into the trenchless sector for...
Take this quick quiz to help you gauge your understanding of robots, and learn some finer details with which you can test your coworker’s knowledge.
Advancements in trenchless technology have made underground pipe installation easier, faster and cheaper. Failing to plan can mean heavy financial losses, as well a...
COVID-19 calls for significant changes to current operating models with a reduced workforce, shortage of critical components and the ever-present risk of cyber-theft due...
With the up-gradation of infrastructure, there’s a major need to upgrade sub-surface infrastructure to meet the needs of India's ever-growing population.
In order to continuously evaluate and place the horizontal wellbore in the optimal position, geosteering involves real-time use of logging tools such as logging while...
Drilling waste needs to be managed, and waste management methodology and guidelines vary with every project. Recycling the drilling mud has become popular because it...
Discover how down-the-hole (DTH) drilling has made life easier for contractors to drill wells faster and more efficiently.
Learn how directional core drilling helps geotechnical engineers effectively undertake trenchless projects with a good understanding of the prevailing geological...
Waiting too long to rehabilitate cement piping can lead to an increased risk of contamination of potable water and increased cost of rehabilitation.
Pipe ramming is an excellent method for installation of pipes where ground loss is expected due to the shallow depth of installation, because it utilizes displacement...
Although frac-out’s happen quite commonly during an HDD project, these 7 tips can help you prevent it from occurring right from the beginning.
Researchers are always striving to find ways to make technology better and more affordable. The the pipe express method combines the innovation of trenchless technology...
Every contractor should consider the environmental regulations regarding waste disposal prior to bidding, because today drilling waste management has become a major part...
Drilling fluid selection and management should start even before bidding on a job, as the quality of drilling mud can be the difference between the life and death of a...
Metal pipes are subject to corrosion irrespective of their environment, unless they are protected. Corrosion primarily weakens a pipeline by attacking its structure,...
Pigging and robotic inspection have become important parts of trenchless operations, but before deciding, you need to make cost estimates in order to determine the most...
Take a look at the utility tunneling and pipe jacking trenchless construction methods, and discover how their key differences play a crucial role in your decision.
Soil investigation, both intrusive and laboratory testing, can be a life-saver in terms of cost and time. These tests help the contractor to select the best tool to get...
Intrusive site investigations provide a firsthand look at what's beneath the surface, and using these methods, one can gather information unobtainable with non-invasive...
Site investigation is an integral part of any construction project, and should be attributed as much significance as any other part of the project. It has four basic...
Direct pipe is a hybrid method incorporating the benefits of HDD and microtunneling, while setting aside tedious, time-consuming processes associated with them. This...
The long service life of reinforced concrete pipe (RCP), its strength and durability, has made it an economical choice for contractors and asset owners.
One way to ensure that pipelines are accurately detected is using tracer wires during installation so that they can be detected at a later date, either for geotechnical...
The cost of hydrogen sulfide corrosion rehabilitation escalates when municipalities fail to undertake periodic inspections, and condition assessment of buried pipelines...
Science and technology have played an important role in making utility detection precise, efficient and easy to use. The importance of correct identification of...
The risk associated with digging blindly can be dangerous or even fatal. Knowing the location of utility lines is very important prior to undertaking any new...
Polyethylene pipes are virtually impervious to attack by moisture, water and soil, and are non-conductors of electricity. These are some of the reasons it's so widely...
Not only is a failed sewer system harmful for the environment, it is also expensive to rehabilitate. This is where condition assessment comes into play. Condition...
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 flow or ground collapse. A...
Trenchless technology makes it possible to use trenchless nondestructive inspection methods. This helps to isolate pipes that need repair, after which appropriate...
The practice of using HDD for installing remediation wells began in the 1990s to counter the escalating costs of traditional remediation methods such as soil excavation...
Asset management helps evaluate issues and take appropriate action before a failure can occur. Regular assessment and maintenance is a good option because asset...
Much importance has been attributed to geotechnical reports, primarily because of their ability to steer a project in the right direction, whether it is the planning of...
Since the 1950’s, fracture mechanics gained traction and has been proven to be an excellent resource in understanding the the formation and propagation of cracks.
Pipe jacking is very efficient and employs a full face machine, but it has its limitations. Learn everything and more about pipe jacking and its important role in...
Check out this list of associations that deal with the implementation and advancement of trenchless technology, safety and material standards and peer-to-peer...
The commonly used pipe materials are high-density polyethylene (HDPE), Polyvinyl Chloride (PVC), reinforced concrete, steel, and vitrified clay. Each has different...
There are many trenchless pipeline installation methods, like HDD, HAB, pipe ramming, and impact moling, however, these all come with their own pros and cons.
Gas pipelines may pass through environmental areas like palustrine wetlands, estuaries, rivers, lakes, gardens and forests, trenchless installation of gas lines limits...
The cost associated with changing plumbing lines have many homeowners trying to make do with faulty, leaking plumbing and taps. Fortunately, trenchless technology has...
Thermoform means to shape a plastic material such as high-density polyethylene (HDPE) or polyvinyl chloride (PVC) using heat and pressure. This allows the material to be...
Bentonite in drilling mud is used to both assist the drilling and boring process, as well as condition the ground depending on the soil type. Drilling mud is also known...
The directional drilling industry is gaining strong results from using fuzzy logic. Learn how fuzzy logic is turning major profits in the directional drilling industry...
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 gas pipelines without...
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 are often caused by pouring oil...
The most common signs of impending water line repair are leaky faucets, loss of water pressure, discolored water, and dampness or mold on walls and floors.
Horizontal directional drilling (HDD) began in the oil and gas industry and is new in the construction industry. It was first introduced into the construction industry...
Corrosion happens to be the primary cause for maintenance related issues wherever metal is used. Cathodic protection can be applied to pipelines to protect against...
Construction traffic diversions are often needed during conventional trenching, however, during trenchless projects, traffic may or may not be disrupted.
Galvanized steel pipes are made by dipping steel pipes into molten zinc. This coating helps prevent the pipe from corroding, however; decades of use does cause erosion...
Deviation is essentially departing from the intended course and ending up somewhere entirely different. Collectively, these types of deviations are called technical hole...
Depending on location and material, how to defrost frozen pipes is different for each circumstance. There are several methods used to defrost frozen pipes including pipe...
The efficient modern tunnel boring machine (TBM) that smoothly slices through clay, rock and shale is a result of many failed attempts at making a machine that is...
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. Godot is already working his...
'Prevention is better than cure' is an old and wise adage and it applies well to winter preparation and preventing frozen pipes. Locate outside hoses... insulate drain...
Direct indicators of an unstable borehole include the excess volume of drill cuttings, caving or heaving at the surface, cement required in excess over designed quantity...
Many methods like cured-in-place pipe (CIPP), sliplining, pipe bursting, pipe pulling, etc. have revolutionized the underground rehabilitation industry and have allowed...
Drilling deviations come in many forms. The 1st order lineal deviation includes vertical deviation (msVD) and horizontal deviation (msHD). It is a measure of the...
Here we will take a closer look at the SIPP method of pipe rehabilitation, a trenchless method similar to CIPP and which still eliminates ground disruption and costly...
Sliplining is ideal for straight pipes with slight to no bends, no protrusions or severe deformations. Pipe bursting does not allow for change of slope, requires bypass...
Though trenchless construction eliminates excavation, the site selected for beginning the project should be where minimum disruption to pedestrian and vehicular traffic...
Ground improvement is basically done to stabilize soil and prevent it from settling or collapsing, especially when a utility pipeline or structure is passing through the...
Pilot hole curvature, the reamer size and the viscosity of the drilling fluid all require adequate planning knowledge in horizontal directional drilling. Since curvature...
Trenchless rehabilitation includes grout-in-place pipes, cured-in-place pipes, shotcrete, sliplinging, pipe bursting and more to rehabilitate projects with minimal...
Trenchless tunneling utilizes a variety of tunneling methods like microtunneling, Directional Drilling, Auger Boring, Moling, etc. Horizontal earth boring methods do not...
Yes, as per the CDC (Centers for Disease Control and Prevention) and U.S. EPA (Environmental Protection Agency). On its website, EPA states...
