Essential Contracting Solutions
He Toki Taukari Whakaea
PARKS AND RESERVES: SECTION 6.3.024 WEED SPRAYING
_______________________________________________________________________
1.0
PURPOSE
To detail how weed spraying is to be performed.
2.0
SCOPE
Preparation and carrying out of Weed Spraying.
3.0
OUTCOME
Weed spraying is performed in a controlled and professional manner.
4.0
REFERENCES
Growsafe Certified Operator refer to Agrichemical Users Code of Practise NZS
8409:2004
Refer to SLA specifications on weed control in different areas
5.0
RESPONSIBILITIES
Supervisor / Manager
• Is responsible for ensuring that all staff are appropriately trained prior to
commencing this work. This includes the operation of any machinery being
used.
• Is responsible for ensuring job is completed correctly.
Operators
• Are responsible for ensuring that all Health and Safety procedures are
fol owed.
• Are responsible for ensuring this SOP is followed correctly so the desired
outcomes are achieved.
• Are responsible for maintaining a clean and safe worksite.
6.0
ASSOCIATED PROGRAMMES
iAuditor
Vault
Next Service
Training Program
Knapsack Sprayer
Boom Sprayer
Spray Truck
Battery Powered Sprayer
Version: 02
Amendment Date: 22-May-22
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Approved by: Shelley Woisin
Essential Contracting Solutions
He Toki Taukari Whakaea
PARKS AND RESERVES: SECTION 6.3.024 WEED SPRAYING
_______________________________________________________________________
7.0
PROCEDURE
PPE • High Visibility Overalls
• Safety Boots
• Gumboots
• Respirator – Check canister expiry date
• Nitrile Gloves
• Hat
Equipment
• Appropriate spraying equipment – boom sprayer, knapsack, spray truck, batter
powered spray tank.
• Chemical
• Decanting equipment
Pre Start
1. Determine location of task
2. Completion date (if supplied)
3. Decontamination if required
4. Ensure operation will be carried out under the supervision of a qualified
SpraySafe Operator.
Spray Truck Set-Up
1. Start task on NextService App
2. Fill in Hazard Assessment on iAuditor before handling any concentrated
chemical
3. Identify vegetation to spray
4. Check weather forecast and Wind Speed Guide*
5. Ensure all equipment is in good order and operational before filling tank
6. Wear safety equipment when you are fil ing up tank
7. Always check you are using the appropriate chemical for the task
8. Always check the application rates on the chemical label
9. Read safety precautions on chemical labels before pouring concentrate
• Mix as per instructions
• Use the measuring cups supplied
• Only mix enough spray required to complete the job
• Use clean water only
• Use white spray hose at wash bay only
• Complete stock out register from Chemical Store
• Triple rinse containers in wash bay and puncture empty containers
before storing in cage by Chemical Shed
10. Clear wash bay of any spillage
11. Current SDS for chemicals used are stored in vehicle
Version: 02
Amendment Date: 22-May-22
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Approved by: Shelley Woisin
Essential Contracting Solutions
He Toki Taukari Whakaea
PARKS AND RESERVES: SECTION 6.3.024 WEED SPRAYING
_______________________________________________________________________
12. In the case of a spill in the Chemical Store, apply zeolite provided, to
absorb chemical, clean up and place contaminated material in bin provided
13. When the bin is full, dispose of spill in a plastic rubbish bag and dispose at
landfill, wash bin at the wash bay
14. Use eye wash or shower unit for spillage’s on yourself
15. Any chemical that is de-cantered into smaller bottles must have the
chemical label on the bottle
16. Wind Speed Guide is located in the `Spray Applicators Report’ on iAuditor.
When wind speed is entered, instructions are displayed on the suitability
of spraying.
A hand-held anemometer is used to measure wind speed,
something we are looking at obtaining
On Site Set up
1. Complete Hazard Assessment in iAuditor
2. Install public notification spray signage informing of chemicals used and
re-entry time, at entry points to site
3. Ensure public not in area
4. Carry out spray operation
Working Operation
1. Monitor wind conditions
2. Monitor weather conditions
3. Spray target vegetation only
4. Check public are clear of spray area at all times
5. Ensure SLA specifications are maintained
6. 100mm wide spray band around obstacles, post and rail fences and
footpaths
7. 200mm wide spray band around trees and boundary fences
8. Spray operator’s initiative required regarding corners, large trees and any
irregular obstacles
9. Refer to SOP for Spraytruck and Knapsack Sprayer
Hazards:
i.Spil s must be cleaned up immediately
ii.Immediately report all spills to your Supervisor and enter into Vault
as an incident
Job Completed
1. Remove spray signs after re-entry time
2. Enter hours onto task in NextService and complete `Actions Taken’ box
3. Complete `Spray Applicators Report’ in iAuditor including Reserves checklist
4. Complete Reserves checklist paper form if not using iAuditor
5. Wash truck/clothing if possible contamination has occurred
6. Place respirator filters in airtight container when not in use
7. Make sure all safety gear is cleaned and dried after use
Version: 02
Amendment Date: 22-May-22
Page 3 of 6
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Printed copies of this document are deemed to be uncontrolled, refer to digital SOP manual to ensure latest version in use.
Approved by: Shelley Woisin
Essential Contracting Solutions
He Toki Taukari Whakaea
PARKS AND RESERVES: SECTION 6.3.024 WEED SPRAYING
_______________________________________________________________________
8. Complete `Spray Applicators Report’ paper form if not using iAuditor, after
each day of applying chemical
Wind Speed Guide
Approx. airspeed at nozzle height Description Visible Signs
Spraying
Less than 2 km/h
Calm
Smoke rises
Use only medium
vertically
or coarse spray
quality
2 – 3 km/h
Light Air
Direction shown by Avoid fine spray on
smoke drift
warm, sunny days
3 – 6 km/h
Light Breeze Leaves rustle, wind Ideal spraying
felt on face
conditions
6 – 10 km/h
Gentle
Leaves and twigs in Good spraying
Breeze
constant motion
10 – 15 km/h
Moderate
Small branches
Increased risk of
Breeze
move, raises dust
spray drift, avoid
or loose paper
fine sprays
15 – 20 km/h
Fresh
Small trees sway
Extreme caution
Breeze
with any sprays
˃20 km/h
Strong
Large branches
Unsuitable for
Breeze
sway
spraying
Source: Growsafe Manual 2020
Version: 02
Amendment Date: 22-May-22
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Printed copies of this document are deemed to be uncontrolled, refer to digital SOP manual to ensure latest version in use.
Approved by: Shelley Woisin
Essential Contracting Solutions
He Toki Taukari Whakaea
PARKS AND RESERVES: SECTION 6.3.024 WEED SPRAYING
_______________________________________________________________________
Public notification sign
Version: 02
Amendment Date: 22-May-22
Page 5 of 6
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Printed copies of this document are deemed to be uncontrolled, refer to digital SOP manual to ensure latest version in use.
Approved by: Shelley Woisin
Essential Contracting Solutions
He Toki Taukari Whakaea
PARKS AND RESERVES: SECTION 6.3.024 WEED SPRAYING
_______________________________________________________________________
8.0
DOCUMENTATION
Job Card
iAuditor
Vault
Next Service
TMP
9.0
IMPROVEMENTS / CORRECTIVE ACTIONS
Should changes be required to this SOP, let the General Manager: People Capability
and Safety know immediately.
Version: 02
Amendment Date: 22-May-22
Page 6 of 6
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Printed copies of this document are deemed to be uncontrolled, refer to digital SOP manual to ensure latest version in use.
Approved by: Shelley Woisin
