Plumbing Contractor Safety Manual

What Should a Plumbing Contractor Safety Manual Include?

The contents of a Plumbing Contractor Safety Manual should reflect the work the company actually performs.

A residential service plumber may have different exposures than a contractor installing underground piping on a large construction project. Commercial and industrial plumbing contractors may encounter excavations, confined spaces, complex mechanical systems, hazardous energy, large piping, elevated work, cranes and rigging, and host-employer requirements.

The manual should begin with the company’s Core Construction Safety Programs and then include additional programs based on its installation, service, repair, excavation, piping, and other operations.

Core Safety Programs for Plumbing Contractors

A comprehensive Plumbing Contractor Safety Manual may include core programs addressing:

• Accident and Incident Investigation.
• Emergency Action Plan.
• Fire Prevention.
• First Aid.
• Hand and Power Tool Safety.
• Hazard Communication.
• Housekeeping.
• Job Safety Analysis (JSA/JHA).
• Manual Lifting and Material Handling.
• Personal Protective Equipment.
• Slips, Trips and Falls.
• Walking-Working Surfaces.
• Electrical Safety.
• Ladder and Stairway Safety.

The manual should also establish responsibilities for management, supervisors, employees, competent and qualified persons, hazard identification, workplace inspections, safety training, hazard correction, incident reporting, recordkeeping, and periodic review of the company’s safety programs.

Excavation and Trenching

Plumbing contractors installing or repairing underground water, sewer, drainage, gas, and other piping systems may perform excavation and trenching work.

Excavations can expose employees to cave-ins, falling materials, underground utilities, mobile equipment, hazardous atmospheres, water accumulation, unstable adjacent structures, and unsafe access or egress.

Where excavation and trenching apply to the company’s operations, procedures should address:

• Competent-person responsibilities.
• Soil classification.
• Protective systems.
• Sloping and benching.
• Shoring and shielding.
• Access and egress.
• Spoil placement.
• Underground utilities.
• Water accumulation.
• Hazardous atmospheres.
• Mobile equipment.
• Adjacent structures.
• Daily and changing-condition inspections.

Employees should not enter an excavation until applicable hazards have been evaluated and required protective measures are in place.

Underground Utilities

Before excavation, drilling, boring, cutting, or other ground-disturbing work begins, existing underground installations should be identified as required.

Plumbing contractors may encounter:

• Electrical lines.
• Natural-gas lines.
• Water lines.
• Sewer lines.
• Communication systems.
• Fuel lines.
• Other buried utilities.

Utility locations should be marked and verified as appropriate before work begins.

Employees should use appropriate precautions when approaching known utility locations and should immediately report unidentified lines, piping, conduit, or other installations encountered during the work.

Confined Spaces

Plumbing contractors may encounter confined spaces during construction, service, and repair work.

Potential locations include:

• Manholes.
• Sewers.
• Pits.
• Tanks.
• Vaults.
• Crawl spaces.
• Lift stations.
• Utility structures.
• Other enclosed or restricted spaces.

A space should be evaluated according to its configuration and hazards rather than simply by its name.

Where confined-space requirements apply, procedures may need to address identification, hazard evaluation, atmospheric testing, ventilation, entry controls, communication, attendants, rescue provisions, and employee training.

Employees should not enter a permit-required confined space unless the required entry procedures have been established and they are trained and authorized to perform the entry.

Sewer and Wastewater Hazards

Plumbing employees performing sewer, drain, wastewater, or sanitary-system work may encounter biological and atmospheric hazards.

Potential hazards can include:

• Sewage and contaminated water.
• Bacteria and other microorganisms.
• Needles or other sharps.
• Hydrogen sulfide.
• Methane.
• Oxygen deficiency.
• Chemical contamination.
• Splash exposure.
• Unsanitary surfaces.

Work procedures should reflect the actual exposure and may require appropriate gloves, eye and face protection, protective clothing, hygiene practices, atmospheric testing, ventilation, respiratory protection, or other controls.

Employees should wash thoroughly after exposure and before eating, drinking, smoking, or handling clean materials.

Bloodborne Pathogens and Biological Exposure

Plumbing work involving sewage, wastewater, contaminated fixtures, or similar environments can expose employees to biological materials.

The company should evaluate whether employees have reasonably anticipated occupational exposure to blood or other potentially infectious materials and establish applicable Bloodborne Pathogens procedures where required.

Employees should be instructed in appropriate hygiene, PPE, cleanup, exposure reporting, and response procedures for the biological hazards they may encounter.

Cuts and abrasions should be appropriately protected before performing work involving contaminated water or materials.

Silica Exposure

Plumbers frequently drill, cut, core, chip, or penetrate concrete, masonry, block, mortar, tile, and similar construction materials.

These activities may generate respirable crystalline silica.

Where silica-generating work is performed, applicable procedures should address:

• Dust-producing tasks.
• Engineering controls.
• Water-delivery systems.
• Dust collection.
• Work practices.
• Respiratory protection where required.
• Housekeeping.
• Employee training.
• Exposure-control responsibilities.

The required controls should be based on the actual task and applicable silica requirements.

Concrete Cutting, Drilling and Penetrations

Plumbing installation frequently requires penetrations through concrete, masonry, floors, walls, and other building materials.

Before cutting or drilling begins, employees should consider potential hazards such as:

• Electrical wiring.
• Gas lines.
• Water lines.
• Post-tensioning systems.
• Structural components.
• Silica dust.
• Flying particles.
• Noise.
• Falling material.
• Work on the opposite side of the penetration.

The work area should be evaluated before penetration, and appropriate tools, controls, and PPE should be used.

Brazing, Soldering and Hot Work

Plumbing work may involve soldering, brazing, welding, torch cutting, or other heat-producing operations.

Hot-work procedures should address:

• Combustible materials.
• Fire extinguishers.
• Fire watches where required.
• Compressed-gas cylinders.
• Torches, hoses, and regulators.
• Ventilations.
• PPE.
• Fumes and gases.
• Hot surfaces.
• Confined or restricted spaces.
• Hot-work permits where applicable.

Particular care should be taken when performing hot work inside walls, ceilings, crawl spaces, occupied buildings, or other locations where concealed combustible materials may be present.

Compressed Gas Cylinders

Plumbing contractors may use oxygen, fuel gases, nitrogen, and other compressed gases.

Procedures should address:

• Cylinder identification.
• Securing cylinders.
• Valve protection.
• Storage.
• Transportation.
• Regulators.
• Hoses.
• Leak detection.
• Separation where required.
• Protection from heat and physical damage.

Cylinders should not be dropped, dragged, rolled improperly, or handled in a manner that could damage the cylinder or valve.

Electrical Safety

Plumbing employees may work near electrical wiring, panels, temporary power, extension cords, pumps, power tools, and electrically powered equipment.

Water and damp conditions can increase electrical hazards.

Electrical safety procedures should address:

• Ground-Fault Circuit Interrupter protection where applicable.
• Extension-cord inspection.
• Portable electrical tools.
• Wet and damp locations.
• Damaged equipment.
• Temporary power.
• Electrical panels and disconnects.
• Work near energized electrical systems.

Employees who are not qualified to perform electrical work should not perform tasks requiring electrical qualification.

Lockout/Tagout and Hazardous Energy

Plumbing service, repair, and industrial work may expose employees to electrical, mechanical, hydraulic, pneumatic, thermal, chemical, gravity, or other hazardous energy.

Employees may need to isolate pumps, valves, boilers, water heaters, process piping, mechanical equipment, or other systems before beginning work.

Applicable procedures should address:

• Identification of energy sources.
• Equipment shutdown.
• Energy isolation.
• Lockout/tagout.
• Control of stored or residual energy.
• Verification.
• Coordination with facility personnel.
• Safe restoration to service.

Employees should not rely solely on operating controls or assume a piping or mechanical system is safe because it appears inactive.

Piping Systems and Stored Pressure

Piping systems may contain water, steam, gases, chemicals, sewage, or other materials under pressure.

Before disconnecting, opening, cutting, or repairing piping, employees should determine what the system contains and whether pressure, temperature, hazardous materials, or other energy remains.

Applicable systems should be shut down, isolated, drained, depressurized, cooled, or otherwise placed in a safe condition before work begins.

Employees should position themselves to minimize exposure to unexpected releases when opening piping or equipment.

Hand and Power Tools

Plumbing contractors use pipe cutters, threading machines, drills, saws, grinders, press tools, drain-cleaning equipment, impact tools, and numerous other hand and power tools.

Tools should be appropriate for the task, maintained in safe condition, inspected as necessary, and operated according to manufacturer instructions.

Safety procedures should address applicable hazards such as:

• Cutting and pinch points.
• Rotating machinery.
• Tool guarding.
• Electrical hazards.
• Flying particles.
• Noise.
• Silica dust.
• Unexpected movement.
• Entanglement.

Defective tools and equipment should be removed from service.

Pipe Threading and Rotating Equipment

Pipe-threading machines and similar equipment can create entanglement, pinch-point, crushing, and rotating-part hazards.

Loose clothing, jewelry, hair, gloves where inappropriate for the operation, and other items capable of becoming entangled should be controlled.

Employees should use the equipment according to manufacturer instructions and should not bypass guards or safety devices.

Adjustment, maintenance, or clearing of equipment should be performed only after hazardous motion and energy have been appropriately controlled.

Drain-Cleaning Equipment

Powered drain-cleaning machines can expose employees to rotating cables, pinch points, contaminated materials, electrical hazards, and unexpected movement.

Employees should be trained in the equipment they use and follow manufacturer instructions.

Work practices should address:

• Equipment inspection.
• Electrical protection.
• Cable condition.
• Proper positioning.
• Control of rotating components.
• Appropriate gloves and PPE.
• Splash protection.
• Contaminated materials.
• Cleanup and hygiene.

Employees should keep hands and clothing clear of exposed rotating components.

Manual Material Handling

Pipe, water heaters, fixtures, pumps, equipment, and other plumbing materials can be heavy, bulky, and difficult to handle.

Work should be planned to reduce unnecessary manual lifting.

Mechanical equipment, carts, dollies, pipe-handling equipment, hoists, forklifts, or team lifting should be used where appropriate.

Employees should consider:

• Load weight.
• Shape and size.
• Travel path.
• Stairs and ladders.
• Pinch points.
• Hand placement.
• Visibility.
• Final placement.

Materials should be stored securely to prevent rolling, shifting, or falling.

Ladders and Elevated Work

Plumbing employees may use ladders, scaffolds, lifts, or other access equipment to install piping and fixtures above ceilings or at elevated locations.

The company’s Ladder Safety Program should address ladder selection, inspection, setup, positioning, climbing, electrical hazards, and removal of defective ladders from service.

Where employees are exposed to fall hazards, applicable Fall Protection procedures should be followed.

Makeshift platforms or improvised access methods should not be used.

Scaffolds and Aerial Lifts

Commercial and industrial plumbing installation may require scaffolds, scissor lifts, or aerial lifts.

Applicable safety procedures should address:

• Equipment inspection.
• Employee training.
• Safe access.
• Fall protection where required.
• Load limitations.
• Work-area conditions.
• Overhead hazards.
• Electrical hazards.
• Equipment movement.
• Pedestrian exposure.

Equipment should be used according to manufacturer requirements and applicable safety standards.

Asbestos and Lead Awareness

Plumbing repair and renovation frequently require employees to disturb existing building materials.

Older buildings may contain asbestos in pipe insulation, flooring, wall systems, mastics, boilers, mechanical equipment, or other materials. Lead-containing coatings may also be encountered.

Employees should be trained to recognize suspect materials where appropriate and should not disturb materials requiring specialized controls unless the work has been evaluated and employees are authorized to perform it.

Applicable Asbestos or Lead programs should be included when the company’s operations create those exposures.

Hazard Communication

Plumbing contractors may use or encounter adhesives, primers, cements, cleaners, solvents, sealants, fuels, gases, drain chemicals, water-treatment chemicals, and other hazardous products.

The company’s Hazard Communication Program should address applicable requirements for:

• Chemical inventories.
• Safety Data Sheets.
• Labels.
• Employee information and training.
• Storage.
• Handling.
• Required PPE.
• Spill response.

Employees should understand the hazards associated with the chemicals they use and the protective measures required.

Personal Protective Equipment

PPE should be selected according to the hazards associated with the plumbing work.

Depending on the task, PPE may include:

• Hard hats.
• Safety glasses.
• Work gloves.
• Face shields.
• Work gloves.
• Cut-resistant gloves.
• Chemical-resistant gloves.
• Protective footwear.
• Hearing protection.
• High-visibility clothing.
• Respiratory protection.
• Fall-protection equipment.
• Protective clothing for contaminated work.

PPE should be inspected and maintained in serviceable condition.

Heat Stress and Environmental Conditions

Plumbing contractors may work outdoors, in excavations, mechanical rooms, attics, crawl spaces, unfinished buildings, and other environments where temperature conditions can become hazardous.

Appropriate procedures should address heat and cold conditions based on the work environment.

Heat-illness prevention measures may include water, rest, shade or cooling, acclimatization, employee monitoring, training, and emergency procedures.

Environmental conditions should be considered during pre-task planning.

Working in Occupied Buildings

Plumbing installation and service frequently occur in homes, offices, schools, healthcare facilities, stores, restaurants, industrial plants, and other occupied locations.

Employees should consider hazards their work could create for occupants and others.

Controls may include:

• Barricades and signs.
• Control of tools and materials.
• Protection of floor openings.
• Housekeeping.
• Slip-hazard control.
• Hot-work precautions.
• Dust containment.
• Noise control.
• Water-shutdown coordination.
• Protection from leaks or flooding.
• Emergency access.

Work areas should be left in a safe condition when employees leave the site.

Working Alone and Service Calls

Service plumbers frequently work independently at customer locations.

Working-alone procedures should consider:

• Communication.
• Check-in procedures.
• Emergency contacts.
• Customer-site hazards.
• Confined spaces.
• Electrical hazards.
• Contaminated environments.
• After-hours work.
• Hazardous neighborhoods or locations.
• Tasks requiring additional personnel.

Employees should understand when work should not be performed alone.

Driving and Fleet Safety

Service vehicles are an important part of many plumbing operations.

Employees may travel between multiple jobs while transporting tools, pipe, compressed-gas cylinders, chemicals, fittings, and equipment.

Driving and Fleet Safety procedures may address:

• Driver qualification.
• Seat-belt use.
• Distracted driving.
• Vehicle inspections.
• Backing.
• Parking.
• Load securement.
• Cylinder transportation.
• Accident reporting.
• Vehicle maintenance.

Materials and equipment should be secured to prevent movement during transportation.

Commercial and Industrial Plumbing Work

Commercial and industrial plumbing contractors may encounter larger piping systems, mechanical equipment, boilers, pumps, process piping, hazardous energy, confined spaces, elevated work, cranes, rigging, and host-employer requirements.

Additional safety programs may be needed for:

• Lockout/Tagout.
• Confined Space.
• Crane and Rigging Safety.
• Fall Protection.
• Scaffolding.
• Aerial Lifts.
• Respiratory Protection.
• Hazardous chemicals.
• Welding, Cutting and Hot Work.
• Industrial equipment.
• Contractor coordination.

The safety manual should reflect the complexity of the systems and facilities where employees work.

Job Safety Analysis for Plumbing Work

A Job Safety Analysis (JSA/JHA) can help plumbing contractors identify hazards and establish controls before performing specific work.

Plumbing JSAs may address tasks such as:

• Underground pipe installation.
• Excavation and trenching.
• Sewer work.
• Manhole entry.
• Concrete drilling and cutting.
• Pipe installation.
• Pipe threading.
• Drain cleaning.
• Brazing and soldering.
• Ladder use.
• Scaffold or lift work.
• Material handling.
• Equipment installation.
• Service work in occupied buildings.

The JSA should reflect the actual task and jobsite conditions rather than being treated as a generic checklist.

Additional Safety Programs for Plumbing Contractors

Not every plumbing contractor requires the same safety programs.

Depending on the company’s operations, additional programs may include:

• Aerial and Boom Lift Safety.
• Asbestos Awareness.
• Backhoe and Loader Safety.
• Barriers and Signage.
• Bloodborne Pathogens.
• Cold Stress.
• Compressed Gas Cylinders.
• Confined Space.
• Crane Safety.
• Driving and Fleet Safety.
• Drug and Alcohol Programs.
• Electrical Safety.
• Excavation, Trenching and Shoring.
• Fall Protection.
• Fatigue Management.
• Fire Prevention.
• Flammable and Combustible Liquids.
• Forklift Safety.
• Hearing Conservation.
• Heat Stress Prevention.
• Heavy Equipment and Mobile Equipment.
• Lead Awareness.
• Lockout/Tagout.
• Overhead Power Line Safety.
• Respiratory Protection.
• Rigging and Material Handling.
• Scaffolding.
• Scissor Lift Safety.
• Silica Exposure.
• Spill Prevention and Response.
• Traffic Control.
• Underground Utilities.
• Vehicle Maintenance.
• Welding, Cutting and Hot Work.
• Working Around the Public.
• Working in Occupied Areas.
• Working Alone.
• Other programs applicable to the company’s operations.

The objective is not to include every possible safety program. Programs should be selected because they reasonably apply to the company’s employees, plumbing activities, equipment, materials, and workplace exposures.

Plumbing Contractors Working at Customer Facilities

Commercial and industrial plumbing contractors frequently perform work at facilities controlled by another employer.

Before work begins, relevant safety information should be exchanged when necessary.

This may include:

• Hazardous-energy procedures.
• Confined spaces.
• Process piping and chemicals.
• Emergency procedures.
• Restricted areas.
• Required PPE.
• Permit requirements.
• Fire-protection procedures.
• Facility-specific safety rules.
• Other operations capable of affecting contractor employees.

Plumbing contractors should also communicate hazards created by their work when those hazards could affect the host employer, occupants, or other contractors.

Plumbing Toolbox Talks and Ongoing Safety Communication

Plumbing work can vary considerably from one project or service call to another.

Toolbox talks can reinforce safe work practices and address hazards relevant to current operations.

Useful plumbing toolbox-talk topics may include:

• Excavation and trenching.
• Confined spaces.
• Ladder safety.
• Hand and power tools.
• Silica exposure.
• Hot work.
• Compressed-gas cylinders.
• PPE.
• Material handling.
• Electrical safety.
• Sewage exposure.
• Driving safety.
• Housekeeping.

Toolbox talks supplement required safety training but do not replace training specifically required by applicable OSHA standards.

Plumbing Safety Manual vs. Site-Specific Safety Plan

A Plumbing Contractor Safety Manual establishes the company’s overall safety policies, programs, and procedures.

A Site-Specific Safety Plan (SSSP) applies relevant requirements to a particular construction project or worksite.

For example, the company safety manual may contain Excavation and Trenching, Confined Space, Silica Exposure, Hot Work, Hazard Communication, PPE, and Emergency Action procedures. Project-specific planning can then address the actual excavations, utilities, confined spaces, equipment, access points, emergency arrangements, and other conditions at a particular project.

For service plumbers working at many customer locations, a JSA/JHA or other pre-task hazard assessment may often be more practical for addressing changing site conditions.

Building a Plumbing Contractor Safety Manual

A practical Plumbing Contractor Safety Manual should reflect the work the company’s employees actually perform.

When determining which safety programs to include, consider:

• Residential plumbing.
• Commercial plumbing.
• Industrial plumbing.
• New construction.
• Service and repair.
• Underground piping.
• Excavation and trenching.
• Sewer and wastewater work.
• Confined spaces.
• Concrete cutting and drilling.
• Brazing, soldering, and hot work.
• Compressed gases.
• Large pipe and equipment handling.
• Ladders, scaffolds, and lifts.
• Work in occupied buildings.
• Vehicle and service operations.
• Applicable OSHA requirements.
• Customer and contractor-prequalification requirements.

Selecting programs according to actual operations produces a safety manual that addresses the contractor’s real hazards without filling the manual with unrelated safety programs.

Customized Safety Manuals for Plumbing Contractors

Plumbing contractors can request a customized Construction Safety Manual containing the Core Safety Programs and additional programs applicable to their installation, service, repair, excavation, equipment, materials, hazards, and workplace environments.

Programs can be selected according to the company’s actual work, allowing the manual to address residential, commercial, industrial, underground, construction, or service plumbing operations without including large numbers of unrelated safety programs.

Individual safety programs can also be selected when a plumbing contractor needs to add or update a particular program within an existing manual.