Alchatek Blog

This post features three case studies that highlight the versatility and effectiveness of the Deep Lock® process across a variety of applications.

Deep Soil Stabilization at a Shopping Center

• Location: City Creek Center, Salt Lake City.
• Problem: A trench filled with pea gravel began settling, affecting underground power lines.
• Solution: The trench was stabilized using structural polymers.
• Process: An Alchatek consultant developed an injection plan, and the geotech crew installed 10 injection tubes 30 feet deep, pumping approximately 1 gallon per vertical foot.
• Outcome: The site work was completed in just two days, allowing for the rapid continuation of the construction work.

Deep Soil Stabilization for New Construction

• Location: A commercial construction site.
• Problem: The need to stabilize gravel and soil held in place by sheet pile panels between the panels and the foundation.
• Solution: Structural polymers were used due to their ability to permeate soil and encapsulate gravel into a solid mass.
• Process: The crew injected the polymer to a depth of about 12 feet, grouting to refusal, ensuring the entire layer of soil and gravel was locked in place.
• Outcome: The stabilized soil and gravel provided a solid supportive wall for the foundation when the sheet piles were removed, and the gap filled with cement.

Deep Soil Stabilization at a Two-Story House

• Location: A two-story house in North Carolina, built on poorly compacted fill dirt.
• Problem: The house showed signs of settling, with interior cracks and uneven floors.
• Solution: A structural foam was used for its high-strength, hydro-insensitive properties, ideal for densifying soil and stabilizing foundations.
• Process: 18 injection tubes were installed to depths of 7 feet and 3.5 feet, injecting foam beneath exterior footings and load-bearing interior walls.
• Outcome: The stabilization process not only densified the soil and stopped the settlement but also achieved a half-inch lift both from exterior and interior injections, impressing both the customer and the engineer.

These case studies demonstrate the adaptability and effectiveness of the Deep Lock® process in addressing diverse soil stabilization challenges. From commercial construction sites to residential properties, Deep Lock® provides a reliable and efficient solution for soil stabilization needs.

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In the world of soil stabilization and concrete leveling, the choice of materials is as important as the technique used. Alchatek's Deep Lock® process utilizes a range of specialized structural polymers, each designed to cater to specific stabilization needs.

Structural Polymers for Deep Stabilization

Here's an overview of the key polymers used in the Deep Lock® process:

• AP Lift 430:
  This polyurethane foam is adequate for the vast majority of deep soil stabilization jobs. AP Lift 430 is known for its versatility and reliability, making it a go-to choice for standard deep stabilization tasks. It provides a strong, stable, and durable solution for most soil types and conditions.
  
  
• AP Lift 440:
  AP Lift 440 is formulated for jobs where the soil supports structures larger than a single-story house.  This foam supports a bit more weight compared to AP Lift 430, making it suitable for heavier and more demanding applications. It's ideal for projects that require additional strength and stability, particularly in supporting larger buildings or heavier structures.
  
  
• AP Deep Lift 420:
  This is a specialized polyurethane foam used in scenarios where a slight lift is required along with deep soil stabilization. AP Deep Lift 420 is designed to offer slight lifting, soil stabilization, and void-filling capabilities, making it an excellent choice for projects where minor elevation adjustments are necessary along with stabilization. Its unique formulation allows it to address both settlement issues and provide additional support to the foundation or structure.

Technical Support for Product Selection:

Choosing the right polyurethane foam for a specific project can be a complex decision. Alchatek’s technical team is available to assist contractors in selecting the most suitable product for their specific needs. With in-depth knowledge of each product’s properties and the varying demands of different stabilization scenarios, the tech team can provide valuable guidance. This ensures that the chosen foam perfectly aligns with the project requirements, soil conditions, and the desired outcome.

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The Deep Lock® process, a robust and effective method for soil stabilization, requires specialized equipment to ensure precision and efficiency. Here's a breakdown of essential equipment for Deep Lock® soil stabilization in cold weather:

• PMC PH2 Hydraulic Proportioner (or Equivalent):
  Used to inject two-component structural polyurethane foams for Deep Lock® soil stabilization, as well as void filling and slab lifting. The PMC PH2 Hydraulic Proportioner is known for its durability and reliability, using relays and circuit breakers instead of circuit boards to enhance reliability and reduce maintenance issues.
  
  
• MixMaster Pro Injection Gun:
  Specifically manufactured for injecting two-component structural polymers, the MixMaster Pro is designed to handle back pressure effectively.
  
  
• Drum Heaters:
  Drum heaters are employed to maintain the temperature of the materials in 50-gallon drums, ensuring proper viscosity and preventing freezing.
  
  
• Space Heater:
  Utilized to maintain an optimal working temperature in the rig, especially crucial in colder environments.
  
  
• Hilti TE 60 Drill (or Equivalent):
  A powerful drill is essential for creating the necessary openings in the soil for the ground rods.
  
  
• 36-64” Drill Bit:
  Strong enough to penetrate through frozen surfaces, this drill bit is essential.
  
  
• 16-18 Gauge Half Inch Ground Rod Tubing – 10 Foot Sticks:
  These ground rod tubing sticks are integral for the precise delivery of materials during the stabilization process.
  
  
• Ground Rod Driver:
  This tool is used for driving ground rods into the earth. It facilitates the installation of ground rods, making the process safer and faster.
  
  
• Rotary Level and Receivers:
  These tools are vital for measuring surface levels. The rotary level emits a rotating laser beam to create a horizontal plane, while the receiver detects the laser beam over long distances, ensuring accuracy and precision in the stabilization and – if necessary – lifting process.

Each piece of equipment plays a critical role in the Deep Lock® process, ensuring that the soil stabilization and concrete leveling tasks are performed efficiently, accurately, and safely, even in challenging weather conditions. Employing the right tools not only enhances the effectiveness of the process but also contributes to the longevity and stability of the treated structures.

Want more information on the Deep Lock® process?

Deep Lock® is a specialized deep soil stabilization process developed by Alchatek. It involves injecting a structural polymer deep into the soil, where it expands and solidifies. This process enhances the stability and strength of the soil, making it an effective solution for various geotechnical challenges. One key feature of Deep Lock® is its ability to stabilize soil below the freeze/thaw line, making it particularly useful in cold weather conditions.

Applications of Deep Lock® in Cold Weather

• Foundations: Deep Lock® is extensively used to stabilize and strengthen foundations, especially in areas where the soil is compromised due to moisture or other factors.
  
  
• Under Sunken Slabs: For sunken slabs, where soil erosion or voids have occurred deeper down, Deep Lock® provides an effective solution to fill and stabilize these gaps.
  
  
• Settling Structures: Entire structures that are settling, not just the slab, can benefit from the deep soil stabilization offered by Deep Lock®.
  
  
• Interior Footings: In scenarios where exterior piers are used for stabilization, Deep Lock® can be employed for interior footings, avoiding damage to floors and providing a balanced stabilization approach.
  
  
• Brick and Stone Foundations: These types of foundations, which are challenging to stabilize with piers, can be effectively supported using the Deep Lock® process.
  
  
• Pre-construction Soil Stabilization: Before construction begins, stabilizing the soil ensures that the foundation rests on solid ground, a crucial step for long-term structural integrity.
  
  
• Culverts: Deep Lock® can be used for stabilizing and sealing culverts both from the outside (probe-grouting style) and from the inside by injecting the polymer just below the steel.

Why Deep Lock® is Used in Cold Weather

Cold Weather Performance: Deep Lock® can be performed even when the top layer of soil is frozen, making it ideal for cold weather applications.

• Addressing the Root Cause: By stabilizing soil deep below the surface, Deep Lock® addresses the underlying causes of structural problems rather than just the symptoms.
  
  
• Preventing Resettlement: It ensures that once slabs or structures are stabilized, they remain in place without resettling.
  
  
• Warranty Benefits: When employing the Deep Lock® process, contractors can offer better warranties due to effective and long-lasting stabilization.
  
  
• Ease of Process: The process is relatively easy to learn and implement, making it a practical option for a wide variety of contractors.

Deep Lock® offers a versatile and effective solution for a range of soil stabilization needs, particularly beneficial in cold weather conditions. Its ability to work below the freeze/thaw line and address deep-rooted soil issues makes it an invaluable tool in the geotechnical contractor’s arsenal.

Want more information on the Deep Lock® process?

Alchatek's role in the fight against water damage is defined by expert technical guidance and specialized contractor referrals.

Contact Alchatek For...

• Technical Insight: Detailed technical guidance on waterproofing, clarifying the nuances of water infiltration and appropriate countermeasures.
  
  
• Expert Contractor Referrals: Connections to expert contractors experienced in identifying and remedying water infiltration. Each contractor is meticulously vetted for competence and reliability.
  
  
• Customized Solutions for Unique Challenges: Guidance and referrals are tailored to address the specific challenges of each property.

Engaging with Alchatek is a wise move for those facing water infiltration challenges or seeking to proactively protect their properties. Alchatek assists in navigating the process and connecting property owners and managers with the appropriate professionals to cater to specific repair and maintenance needs.

Building a Strong Defense with Alchatek

Partnering with Alchatek is more than just a temporary fix; it's about committing to the long-term health and safety of your property. With Alchatek's expert guidance and contractor referrals, property owners are well-equipped to manage and prevent water infiltration challenges.

Call 404-618-0438 or fill out this form to contact Alchatek today!

Water infiltration, even in its smallest form, can be a harbinger of more significant issues. The key is not to wait until the problem becomes extensive or recurrent but to seek professional assessment and intervention at the first indication of water presence.

Identifying the Early Signs of Water Infiltration

• Visible Leaks or Damp Spots: The most obvious sign is the presence of visible leaks, or damp spots on walls, ceilings, or floors. Even a small leak can be an indicator of a potentially larger problem.
  
  
• Cracks in Walls or Foundations: Small cracks might seem innocuous but can be potential pathways for water entry. A professional can assess whether these cracks are superficial or symptomatic of more severe structural issues.
  
  
• Unusual Odors or Mold Growth: Musty odors or the presence of mold, especially in areas not prone to moisture, can indicate hidden water infiltration.
  
  
• Pooling Water or Staining: Pooling water around the building's foundation or staining on interior or exterior walls are signs that should prompt a professional evaluation.
  
  
• Effloresce: This is the buildup of crystalline deposits of salts that can form when water is present in or on brick, concrete, stone, stucco, or other building surfaces.

The Role of Leak Seal Maintenance Contractors

• Conduct a Thorough Evaluation: Assess the extent of the water infiltration, identify the source, and evaluate the potential impact on the building's structure.
• Recommend Solutions: Based on the assessment, suggest the best course of action, whether it’s immediate application of waterproofing materials like polyurethane grout, or more extensive structural interventions.
• Implement Preventative Strategies: Not only address the immediate problem but also advise on long-term preventative measures to avoid future water infiltration.
• Ensure Compliance and Safety: Ensure that all repairs and preventative measures comply with local building codes and standards, maintaining the safety and integrity of the building.

Proactive Steps for Long-Term Building Health

Seeking professional help at the first sign of water infiltration is a proactive approach that can save significant time, money, and stress in the long run. It ensures that the issue is accurately diagnosed and effectively resolved, safeguarding the building against future water-related problems.

Want more information on sealing leaks with polyurethane grout?

Polyurethane waterproofing grout is a type of sealant used extensively in construction and maintenance for its exceptional ability to prevent water ingress. It is a liquid polymer that, once applied, solidifies into a durable, water-resistant barrier. This grout is particularly effective in sealing cracks, joints, and other potential points of water entry in structures.

Benefits of Using Polyurethane Waterproofing Grout

• Superior Water Resistance: The primary advantage of polyurethane grout is its ability to create a seamless and highly effective barrier against water. It fills and seals cracks and voids, preventing water from seeping into the structure.
  
  
• Flexibility and Durability: Unlike some other materials, polyurethane grout remains flexible after curing, accommodating the natural movement and settling of buildings without cracking. This flexibility, combined with its durable nature, makes it an ideal long-term solution for waterproofing.
  
  
• Ease of Application: Polyurethane grout can be applied to both new and existing structures, and its application is relatively straightforward, making it a practical choice for various maintenance scenarios.

Cost-Effectiveness and Long-Term Savings

Investing in polyurethane waterproofing grout may initially seem like an added expense, but it is a cost-effective solution in the long run. Preventing water damage saves property owners from costly repairs that might arise from neglected water infiltration. Regular maintenance using waterproofing grout can significantly extend the lifespan of a building, ultimately saving money.

Structural Protection

The use of polyurethane waterproofing grout in preventive maintenance routines plays a pivotal role in protecting structures from the detrimental effects of water infiltration. It helps maintain the structural integrity of buildings, ensuring safety and longevity. Moreover, it contributes to a healthier indoor environment by preventing the growth of mold and mildew, which are common in damp conditions.

An Investment in the Future of Your Property

Incorporating polyurethane waterproofing grout leak seal repairs into your preventative maintenance plan is more than just a measure against water damage; it's an investment in the future of your property. Polyurethane waterproofing grout is water-resistant, flexible, durable, and cost-effective, making it an invaluable tool in maintaining the health and safety of buildings.

Want more information on sealing leaks with polyurethane grout?

Water's destructive capacity stems from its ability to penetrate and alter the very materials that buildings are made of. Here are some key ways in which water inflicts damage:

• Freeze/Thaw Cycles: In colder climates, water that has seeped into cracks can freeze. As water freezes, it expands, widening these cracks. When it thaws, it contracts, leaving space for more water to enter. This cycle of freezing and thawing can progressively worsen cracks, leading to significant structural damage over time.
  
  
• Corrosion: Water is a major catalyst for corrosion, especially in structures with steel reinforcements. When water and oxygen interact with steel, it leads to rust formation. This rust not only weakens the steel itself but can also cause it to expand, affecting the surrounding concrete.
  
  
• Concrete Deterioration: Concrete, though sturdy, is porous. Continuous exposure to water can lead to a chemical reaction known as carbonation, lowering the pH of the concrete and weakening its structural integrity. Moreover, water can carry harmful salts and chemicals that further deteriorate concrete. This is compounded when the structure is on the coast and in a high chloride environment. Over 1/3 of the US population lives in coastal counties.
  
  
• Wood Rot and Mold Growth: In buildings with wooden elements, prolonged exposure to moisture can lead to wood rot, compromising structural strength. Additionally, damp environments are breeding grounds for mold and mildew, posing health risks and further degrading building materials.
  
  
• Damage to Electrical and Utility Systems: Water infiltration in areas housing electrical systems can lead to short circuits, increasing the risk of fire. Similarly, utility systems, such as heating and plumbing, can also be compromised, leading to costly repairs and potential safety hazards.

The Urgency of Addressing Even Minor Leaks

Proactive Measures Save More Than Just Costs

In the realm of property management and building maintenance, certain risks lurk unseen, often underestimated in their potential for destruction. Among these, water infiltration stands as a silent, insidious threat. Its capacity for causing extensive, sometimes catastrophic damage is not to be overlooked.

The Unseen Enemy: How Water Infiltration Works Against Structures

Water infiltration might not grab headlines like a fire or an earthquake, but its effects can be just as devastating over time. It usually starts small - a tiny crack here, a small leak there. Unnoticed or ignored, these minor issues can evolve into significant structural problems. Water seeps into the foundations, walls, and other critical parts of a building, gradually eroding the integrity of the structure. This process is slow, often going undetected until it's too late.

Real-World Consequences: The Champlain Towers South Collapse

A stark reminder of the catastrophic consequences of ignoring water damage is the tragic Champlain Towers South collapse in Surfside, Florida. While the final investigation report is yet to be fully conclusive, early findings pointed to long-term water damage as a significant contributing factor. This tragedy underscores the necessity of regular inspections and maintenance to detect and address water infiltration issues before they escalate into dire consequences.

Real-World Consequences: The Ann Street Parking Garage Collapse in Manhattan

Adding to the list of cautionary tales is the recent collapse of a parking garage building in the Financial District of Manhattan, New York City. On April 18, 2023, the second floor of the Ann Street Parking Garage partially collapsed onto the first floor, tragically claiming one life and injuring others. The garage, with a history of building violations dating back decades, including concrete defects and cracks, highlights the grim repercussions of neglecting maintenance and ignoring signs of structural weakness. This incident, leading to evacuations and a city-wide mandate for parking garage examinations, is yet another powerful example of the destructive potential of water infiltration and structural neglect.

Silent Yet Destructive: The Underlying Impact of Water Damage

Water damage isn't just about the immediate effects of a leak. Its impact is multifaceted, affecting everything from the building's structural integrity to the health of its occupants. Continuous water exposure can lead to the corrosion of steel reinforcements, the deterioration of concrete, and the growth of mold and mildew. These issues not only compromise the safety of the structure but also pose health risks, particularly in the form of respiratory problems caused by mold spores.

Why Prevention is Key

The most effective strategy against water infiltration is prevention. Regular maintenance and early detection are vital in mitigating the risks associated with water damage. Property owners and managers should prioritize regular inspections, looking out for signs of water damage like discoloration, mold growth, or pooling water. Early intervention can save not only significant repair costs but also lives.

Heeding the Silent Warning

The lesson here is clear: water infiltration, while silent and often unnoticed, is a formidable enemy against the longevity and safety of our structures. By understanding the potential dangers and committing to regular preventative maintenance, we can protect our buildings and, more importantly, the lives within them.

Want more information on sealing leaks with polyurethane grout?

Alchatek, with its expertise in commercial property maintenance, stands ready to provide comprehensive support in addressing your concrete slab needs.

Technical Guidance from Alchatek

• Expert Consultations: Alchatek offers technical consultations to help you understand the specific needs of your property. These experienced technicians can guide you through the process of assessing slab conditions and determining the most effective repair solutions.
• Customized Solutions: Understanding that each property is unique, Alchatek provides tailored recommendations that align with your specific requirements and budget considerations.

Referrals to Expert Contractors

• Trusted Introductions: Alchatek can refer you to professional contractors skilled in concrete slab repair. By reaching out to Alchatek, you gain access to a vetted pool of experts who can efficiently address your slab issues.
• Quality Assurance: With a focus on quality and reliability, Alchatek ensures that the contractors they refer are not only experienced but also adhere to the highest standards of workmanship and safety.

Ensuring a Safe and Efficient Commercial Space

Partnering with Alchatek for your concrete slab maintenance needs means leveraging their expertise, accessing quality contractors, and making the most of the quieter business period for long-term property benefits.

Call 404-618-0438 or fill out this form to contact Alchatek today!

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