Types of Manhole Equipment
1. Manhole Cover Lifters
Manhole cover lifters are specialized tools designed to lift and remove manhole covers, which provide access to underground chambers for maintenance, inspection, and repair purposes. These lifters are specifically engineered to handle the weight and shape of manhole covers, making the task easier and safer for workers.![]() |
Hydraulic Manhole Cover Lifters Image Credits: Probst |
Types of Manhole Cover
Lifters |
Feature |
Application |
Manual Hook
Lifters |
Handheld with
hooks or prongs |
Lifts and
removes manhole covers manually |
Mechanical Lifters |
Powered by
mechanical mechanisms |
Effortlessly
lifts heavy manhole covers |
Hydraulic
Lifters |
Utilizes
hydraulic pressure |
Lifts
extremely heavy manhole covers with minimal physical effort |
Magnetic
Lifters |
Strong
magnets for secure attachment |
Lifts metal
manhole covers, particularly those made of ferrous materials |
Adjustable
Arm Lifters |
Arms or jaws
adjustable for versatility |
Accommodates
different sizes and types of manhole covers |
Combination
Lifters |
Multiple
lifting options |
Offers
versatility for various manhole cover types and situations |
2. Manhole Keys
Manhole keys are specialized tools used to unlock and lift manhole covers. They are typically T-shaped or X-shaped tools that fit into keyholes on manhole covers, allowing for easy access and removal. Manhole keys provide leverage and grip to unlock and lift covers securely.![]() |
Manhole Keys |
3. Manhole Hooks
Manhole hooks are long-handled tools with curved ends that are specifically designed for lifting and removing heavy manhole covers. They are commonly used in conjunction with other tools or equipment to safely access the underground chamber.The curved end of the manhole hook is inserted beneath the edge of the manhole cover, providing a secure grip. By leveraging the long handle, workers can apply force to lift and remove the cover with minimal effort. Manhole hooks are particularly useful when dealing with covers that are heavy, stuck, or tightly sealed.
![]() |
Manhole Hooks |
Manhole hooks come in various lengths and designs to accommodate different cover sizes and types. They are essential tools for workers involved in manhole maintenance, inspection, or repair tasks, providing a safe and efficient method for accessing underground chambers.
4. Manhole Guard Rails
Manhole guard rails are safety devices installed around the perimeter of an open manhole to create a protective barrier. They serve as a visual reminder of the presence of an open manhole hence preventing accidental falls and providing a safe working area for personnel involved in manhole-related activities.![]() |
Manhole Guard Rails Image Credits: Vestil |
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Manhole Guard Rails with Lift Rails Image Credits: Penn Tool Co |
5. Manhole Shields
Manhole shields, also known as manhole boxes or trench shields, are protective structures used in excavation and construction activities involving manholes. They are designed to provide a safe working environment for personnel inside the excavation area.![]() |
Image Credits:Â |
7. Manhole Plank Support
Manhole plank supports, also known as manhole trench supports or trench boxes, are equipment used to provide sidewall support and protect workers during excavation and construction activities involving manholes.The main purpose of manhole plank supports is to prevent soil collapse and create a safe working environment inside the excavation area. They are typically constructed using durable materials such as steel or aluminum and consist of panels or planks that are assembled and placed along the sidewalls of the trench or excavation.
8. Work Lamps
Work lamps, also known as task lighting or construction lighting, are specialized lighting fixtures designed to provide illumination in work areas, including manholes. They are specifically designed to meet the unique lighting needs of construction, maintenance, or repair tasks performed in confined spaces or low-light conditions.The primary purpose of work lamps is to improve visibility and ensure adequate lighting for workers to perform their tasks safely and effectively. In the context of manholes, work lamps are used to illuminate the interior of the manhole chamber, providing clear visibility of the work area and its surroundings.
9. Manhole Pumps
Pumps play a crucial role in manhole maintenance and construction activities by removing water or other liquids that may accumulate within the manhole chamber. There are different types of pumps used in manholes, each with its specific application and capabilities. Some common types of pumps used in manholes include:- Submersible Pumps: These pumps are designed to be submerged in water or other liquids. They are capable of pumping out water from the manhole chamber, preventing flooding or accumulation.Â
- Vacuum Pumps: Vacuum pumps are used to create suction and remove liquids or debris from the manhole chamber. They can handle both liquids and solids, making them suitable for clearing out sludge, mud, or other materials that may accumulate within the manhole.Â
- Diaphragm Pumps: Diaphragm pumps are versatile and efficient pumps that can handle a wide range of fluids, including water, sewage, or sludge. They feature a flexible diaphragm that moves back and forth to create pressure and pumping action.Â
- Centrifugal Pumps: Centrifugal pumps are commonly used for water removal in manholes. They use centrifugal force to move liquids through a rotating impeller, creating a low-pressure region that draws in the liquid.Â
10. Manhole Rescue Pole
A manhole rescue pole, also known as a manhole retrieval pole or manhole lifeline, is a specialized tool used for rescuing workers in emergency situations within manholes or confined spaces. It is an essential safety device designed to facilitate the quick and safe extraction of personnel in the event of an incident or when immediate assistance is required.![]() |
Manhole Rescue Pole Image Credits:Â |
The manhole rescue pole consists of a long pole or rod made of durable materials such as fiberglass or metal. It is typically equipped with a loop, hook, or other attachment mechanism at one end, which is used to secure and stabilize the worker during rescue operations.
11. Mud Bucket
12. Ventilators
Ventilators used in manholes are specialized devices that provide continuous fresh air circulation for the ventilation of manholes and other confined workspaces. They are essential for maintaining a safe and breathable environment inside the manhole during various construction, maintenance, or inspection activities.13. Cable Vaults and Cable Bending Tool
Cable vaults, also known as cable enclosures or cable junction boxes, are protective structures used to house and manage cables and their associated components. They provide a secure and organized space for cable connections, splices, terminations, and distribution points within the manhole.14. Personal Protective Equipment (PPE)
Personal Protective Equipment (PPE) is crucial for ensuring the safety of workers in manhole environments. It includes specialized gear such as hard hats to protect the head from falling objects, safety glasses or goggles to safeguard the eyes from debris, and other equipment like gloves, safety boots, and high-visibility vests.PPE is essential in mitigating risks and preventing injuries during manhole-related activities, providing workers with the necessary protection against hazards present in confined spaces.
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