PIP/Specific Operations/TBT-PIP-005

Pipe Cutting On Site

Pipelines & Pipework › Specific Operations › Pipe Cutting On Site

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Pipe cutting on construction sites involves cutting steel, ductile iron, HDPE, concrete, clay, and PVC pipes to required lengths.
Cutting methods include disc cutters, reciprocating saws, pipe cutters, chain cutters, and oxy-fuel cutting for steel.
Silica dust from cutting concrete and clay pipes, and metal fumes from cutting steel, require respiratory protection and extraction.
Noise from pipe cutting operations frequently exceeds daily exposure limits within minutes — hearing protection is mandatory.
Sharp cut edges on freshly cut pipes cause deep lacerations — deburring and chamfering after cutting reduces this hazard.
Pipe cutting with disc cutters requires a hot works permit when sparks are produced near combustible materials.
Securing the pipe before cutting prevents movement that causes the disc to bind, creating kickback and loss of control.
Eye protection is essential during all pipe cutting operations — fragments, sparks, and dust are projected at high speed.
HDPE pipe cutting with hand saws or guillotine cutters avoids the heat generation that damages the pipe material.
Waste pipe offcuts must be cleared to prevent trip hazards in the trench and around the work area.

Dust and fumes	Cutting concrete pipes generates silica dust; cutting steel generates metal fume — both cause serious lung disease without protection.
Kickback	A disc cutter binding in the cut throws the tool violently — securing the pipe and correct technique prevent this dangerous reaction.
Sharp edges	Freshly cut pipe ends are razor sharp — lacerations to hands and arms occur instantly without gloves and careful handling.

Don't

Select the correct cutting tool and method for the pipe material being cut.
Use RPE and on-tool extraction when cutting concrete, clay, or steel pipe.
Wear hearing protection during all pipe cutting operations on site.
Deburr and chamfer pipe ends after cutting to remove sharp edges.
Obtain a hot works permit when cutting metal pipes that produce sparks.
Secure the pipe firmly before cutting to prevent movement and disc binding.
Wear safety goggles throughout all pipe cutting operations without exception.
Use appropriate cutting methods for HDPE pipe to avoid heat damage to the material.
Clear pipe offcuts from the trench and work area to prevent trip hazards.
Inspect the cutting tool, disc, and guard before each use.

DON'T cut pipes with the wrong tool for the material — it creates unnecessary hazards.
DON'T cut concrete or steel pipe without RPE and dust or fume extraction.
DON'T carry out pipe cutting without hearing protection for the full duration.
DON'T handle freshly cut pipe ends without deburring and wearing cut-resistant gloves.
DON'T cut metal pipes near combustibles without a hot works permit in place.
DON'T cut pipe that is unsecured — it moves, the disc binds, and kickback occurs.
DON'T operate any pipe cutting tool without safety goggles on your eyes.
DON'T use heat-generating methods on HDPE pipe — it damages the molecular structure.
DON'T leave pipe offcuts lying in the trench where they become trip hazards.
DON'T use a cutting tool with a damaged disc, missing guard, or faulty trigger.

See also: Grinding and Cutting Safety | Pipeline Safety Awareness

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