Waterproofing and Block Work

Waterproofing and Block WorkObjective of Waterproofing and Block Work

Fire and cut injuries can occur from the Waterproofing and Block Work, implementation of  control measures for the safety of worker

Hazards / Risks / Consequences

  • Fall from Height of workers from scaffolding leading to fatality
  • Fall of Materials used in working
  • Collapse of Scaffolding
  • Manual Handling / Ergonomic leading to WRULD, Back pain, chest pain due to poor posture
  • Heat stress leading to personal ill health, fainting, dehydration, fatality
  • Fire & Explosion from gas cylinder
  • Slip & Trip / spillage
  • Incorrect disposing of hazardous waste
  • leads Health and environmental damage
  • Land contamination and air pollution
  • Inhalation leads to nerve and brain damage/ Skin irritation and allergies / Ingestion leads to poisoning
  • Electrocution
  • Burns of body part by the flame
  • Manual Handling / Poor posture leading to back pain, chest pain

Control Measure for Block Work

  • Approved method Statement / Risk assessment must be in place prior to start the work activity
  • Ensure Job safety analysis (JSA) /Prestart briefing/TBT is given
  • Permit to work shall be obtained wherever necessary & all conditions & precautions mentioned therein shall be adhered to at all times.
  • Proper scaffolding platforms with green tag shall be provided wherever necessary for the Masonry block & plaster works.
  • Masonry block works shall be in plumb & number of layers shall be in accordance to quality control procedures to avoid collapse of block works on to workers.
  • Blocks shall be stored at proper locations & not on top of work platform.
  • Access Egress should not be blocked.
  • Proper access ladder, guardrail should be provided on the scaffolding structure
  • Broken & damaged pieces of block works shall not be thrown from height neither be stored on high elevations
  • Daily housekeeping shall be carried out at interval
  • Cable management and material management should be ensured.
  • Only experienced/competent and trained masons shall be allowed to use machinery such as block cutters & Grinders.
  • Machinery on site shall be in good state of repair with all necessary guards in place and the emergency switches in place.
  • Masons working on machinery shall receive proper task instructions from their foremen, shall wear eye protections and ear plugs, Hand gloves & full body coverall
  • Loose clothing and fashion accessories shall not be allowed and employees shall remove them from their body before operating any machinery.
  • Hand tools shall be maintained in good state of repair shall be sharp free from any defects and with proper handles for grip
  • Modified or homemade tools shall not be allowed for use on site.
  • Cables being used on site shall be free from defects, proper industrial sockets shall be used and distribution boards should be fitted.
  • Area should be barricaded using safety warning tape and no unauthorized entry shall be permitted.
  • Overhead protection of sufficiently strong material shall be erected in areas exposed to falling objects.
  • The risk involved in working under direct sunlight should be well communicated to workers and precautions like taking cool drinking water, taking rest in shaded area frequently, job rotation etc.

Control Measure for Waterproofing Work

  • Approved method Statement / Risk assessment must be in place prior to start the work activity.
  • Ensure Job safety analysis (JSA) /Prestart briefing/TBT is given
  • Hot work permit to work should be ensured
  • Ensure proper use of PPE in handling of chemicals, use of gloves and face mask.
  • Operatives should be properly trained and the risk involved should be communicated to them
  • Lighting and proper ventilation should be provided
  • Firefighting equipment should be provided around the work area like fire blanket, fire extinguisher, water, sand etc.
  • Close supervision and monitoring of the task should be ensured.
  • Flashback arrestors should be fitted to all gas regulator sets.
  • Mandatory PPE, such as gloves, boots, overalls, aprons, eye protection, as required from COSHH and PPE assessments, should be provided and worn.
  • Designated storage areas should be provided for safe storage of gas cylinders in the site.
  • Exclusion zone should be ensured with signage.
  • Gas cylinder should be position in trolleys and in upright position.