ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Prepare for cleaning operations

1.1

Vehicle is positioned under gantry in accordance with workplace procedures

1.2

Job hazards are identified and required action is taken to minimise, control or eliminate identified hazards

1.3

Documentation is obtained from vehicle driver to determine product that has been previously carried in tanker

1.4

Vehicle keys are taken from driver to prevent accidental drive off, before cleaning process is completed

1.5

Appropriate cleaning process is selected for type of tanker/load in accordance with workplace procedures

1.6

Cleaning materials are prepared in accordance with manufacturer instructions and workplace procedures

1.7

Required personal protective equipment and safety equipment is selected and used in accordance with regulatory requirements and workplace procedures

2

Steam clean a tanker

2.1

Vehicle is earthed to prevent sparks and explosions

2.2

Valves are opened to allow draining of wash materials and hoses are attached in accordance with manufacturer instructions and workplace procedures

2.3

All access points, including vents and washing points, are opened and heat-sensitive auto fill probes are removed in accordance with workplace procedures

2.4

Where tank has held oil/diesel, a wash consisting of detergent wash and hot water rinse is carried out followed by the application of steam

2.5

Where tank has only held petrol, a steam clean only is carried out in accordance with workplace procedures

2.6

After wash, unit is left to drain until liquid ceases to drain from outlet valves and steam stops leaving vents on top of tank

2.7

All vents and valves are closed and auto fill probes are reconnected

2.8

Plastic seals are placed on valves to signify completed cleaning of tanker as required in accordance with workplace procedures

3

Clean a tanker using water and detergent

3.1

High pressure water and detergent are used to clean around top of tanker vents and hatches to remove dirt, and then top of tanker vents and hatches are rinsed clean with water

3.2

Valves on outlet manifold are opened and connected with flexible pipes to waste storage facility or recycling tanks for tank cleaner

3.3

All hatches are opened, spray balls are placed into tanks after visually checking tank condition, and solid materials present are washed out with high pressure water, prior to starting cleaning cycle

3.4

Tank is rinsed, washed with tank wash until waste is clear and recycled into a holding tank for reuse, leaving tanker tank to drain

3.5

Water in holding tank is topped up, ph is tested and solution is replaced as required in accordance with workplace procedures

3.6

Tank is rinsed with water in short bursts until liquid leaving tank is clear

3.7

Top of tank is hosed off again with water, and spray balls are removed

3.8

Tank is visually checked through hatches with a torch, for cleanliness

3.9

When cleanliness standards have not been achieved, tanker is rewashed or re-rinsed as required and hatches are closed

3.10

At conclusion of cleaning operations, drainage hoses are removed, manifold is checked for cleanliness, and drainage valves are closed and sealed to indicate completed process in accordance with workplace procedures

4

Complete cleaning operations

4.1

Due care is taken to ensure disposal of used cleaning materials is in accordance with environmental protection regulations and workplace procedures

4.2

Wash water is suitably treated using available water cleaning and separation processes before draining into sewerage system

4.3

Cleaning equipment is cleaned, dried, checked and stored in accordance with workplace procedures

4.4

Cleaning operations documentation is completed in accordance with workplace procedures and is returned to driver along with vehicle keys