How To Lift A Manhole Cover

You’ve seen them on public streets and sidewalks without thinking twice about their purpose. But those of us who have entered the world of pipes see manhole covers as the entrance to public services as well as keeping the public safe. street and sidewalk. The depth of the manhole can vary – some are quite shallow, while others extend more than 50 feet underground. These are access points to public utilities such as underground sewers and storm drains. They allow access to authorized parties to clean, test, and restore these systems as needed. These thick coatings prevent unauthorized individuals and materials from falling into the access point. If you need to open a manhole, follow our practical guide on how to safely remove a manhole cover.

When and Why Should a Manhole Be Opened?

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Since manholes provide access to public sewers and other underground structures, they are generally only accessible when repairs are required by inspectors and other authorized professionals, periodic maintenance, cleaning or inspection of systems located underground. Male Colleagues Before opening or accessing manholes, authorized individuals should follow several important steps:

Permission – All operators and maintenance professionals must receive appropriate permission to open a manhole. A license is required in some cases.

Area Protection – Protect the area with hats and barriers to keep pedestrians and workers safe from injury after the covering has been removed.

Have the Right Tools – Make sure you have all the necessary manhole cover removal tools before you begin.

Safe Work Practices – Since manhole covers vary in design, you and your team should be prepared and have a plan in place before starting any part of the process.

What is a manhole key?

Manhole keychains or manhole hooks are designed to safely lift and remove manhole covers. These keys are fitted into the keyway of the housing, which is a slot or opening perfectly shaped to fit the key. Most manhole covers have two keyways, so keys are often sold in pairs to accommodate this. Hole keys come in a variety of shapes and sizes, so it’s imperative that you have the correct key for the cap you’re trying to remove. There are two other manhole cover removal tools that you may find useful to help open the manhole safely:

Pick or Crowbar – This multi-tasking tool has a pointed end on one end and a flat, horizontal swipe.
Flat screwdriver – A long flat head screwdriver can be used with the help of a hammer with a long handle and a straight claw.

Since some manhole covers don’t have any built-in keyholes, you’ll need to insert a pickaxe or screwdriver into the grooved groove around the rim to pry off the manhole cover safely. Always know the type of cover you will be removing before you arrive at work.

How to open a manhole

Since corrugated boards typically weigh 90 to 150 pounds, they may be too heavy for a single person to safely lift alone. When removing a manhole cover or opening a storm drain cover, you should have more than one person present. Here’s how to properly lift the manhole cover:

Insert Key – Insert the key into the keyhole of the manhole cover and turn it a quarter of the way to lock into place. This will allow you to safely lift the cover.
Vertical Lift – With the assistance of another person, lift the cover up vertically and place it safely flat on the ground next to the opening.
Care – Use extreme caution when moving the manhole cover so that it does not accidentally drop or slide back into the hole.

Tips and tricks to open a manhole safely

Read more: how to mute players in warzone ps4 Since manholes differ in design, some manholes may require more thought and preparation to make sure you have the right tools at the ready. .

Loosen the cap – In situations where it is necessary to loosen the cap first, strike it with a sledgehammer or mallet.

Clean the Cover – When the manhole cover is covered with scale or stones, first use water or a blower to clean around the ring.

Stand Facing Keyhole – Stand on the opposite side of the lid’s keyhole to utilize the hook to securely pry the cover.

Leg Lift – Straighten your back and slightly bend your knees while using the hook as a lever to open the flap. Use your foot to push down and pry the cover to lift the manhole cover.

Watch Your Hands and Feet – Never put your fingers or feet under the cap.

Use a block – Insert a block between the cap and the rim and pull the cap toward you and out of the hole. Place the lid on the block wherever you are keeping it to make it easier to change the cover later.

Potential hazards to avoid

Sometimes the manhole cover will be harder to open than usual or have to stay open for a long time. Working around these open manholes will require strict safety and communication measures. Here are some potential hazards to be aware of when working with manhole covers:

Cap Breaking – Sometimes, the lid can get stuck in its ring, and removal measures with a sledgehammer can cause the lid to break — a costly and dangerous situation.
Use your hands to remove – Under any circumstances, contractors must absolutely not use their hands when removing the manhole cover.
Walking or Falling Hazards – Once the cover has been removed, place a safety barrier around the open manhole and cover to prevent collisions and falls.

Importance of Safety and Danger of Manholes

No matter what tool or disassembly method you use to open the manhole, safety should always be the number one priority.

Watch your back – Even the most experienced industrial wastewater and water treatment professionals can injure their backs when working with thick sheets.
Wear Gloves – Gloves are often rough and rusty, and some have sharp edges. Heavy duty gloves are always recommended.
Training and Awareness – Manhole safety must always be taken seriously.

It is important to remember that while incorporating these recommendations can reduce the potential risk posed by manholes and their cover, there is no substitute for preparation, training and awareness. right about it. Read more: How to get into college

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