Method statement
Safe system of work: Health and Safety at Work etc. Act 1974, section 2
Document numberMS-004
Revision1
Date17 September 2026
Last reviewed17 September 2026
Next review17 September 2027
| Job | Evening office clean |
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| Contractor | Brightside Cleaning Services Ltd |
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| Client or principal contractor | Riverside House facilities manager |
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| Location | Riverside House, all three floors and the ground floor entrance |
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| Dates and duration | Three hours each evening |
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| Prepared by | Karen Doyle |
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| Reviewed by | Karen Doyle |
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| Approved by | — |
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1. Scope of work
Evening clean of a three floor office building: vacuuming, mopping hard floors, cleaning toilets and kitchens, emptying bins, dusting and wiping surfaces. Monday to Friday, 6 pm to 9 pm.
2. People, plant and materials
| Who does the work | Two cleaners, trained on the products in use and on the site fire procedure. Each works one floor at a time, alone for most of the shift. |
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| Supervision | Karen Doyle, cleaning supervisor, by phone; visits weekly |
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| Plant and equipment | Vacuum cleaners, flat mop system with colour coded buckets, wheeled waste trolley, step stool, wet floor signs, colour coded cloths |
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| Materials | Thick bleach, multi surface sanitiser, descaler, floor cleaner, glass cleaner, bin liners |
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| PPE | Flat closed shoes with a good grip, nitrile gloves for chemicals and toilets, goggles when decanting bleach |
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| Permits and access | None. Alarm code and keys signed out from the client's security office |
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3. Hazards and controls
1. Slips on wet floors
- Each floor mopped last, working back to the stairs
- Wet floor signs at both ends of a mopped corridor
2. Cleaning chemicals
- COSHH assessment for each product, data sheets in the cleaning store
- Bleach and descaler never used in the same session or the same room
- Gloves for every chemical task, goggles when decanting
3. Lone working
- Each cleaner carries a charged phone
- Text to the supervisor on leaving; a missed text by 9.30 pm is followed up by phone
4. Manual handling of bins and equipment
- Bins emptied into the wheeled trolley, bags half filled
- Vacuum carried between floors by the strap, not the hose
5. Electrical equipment
- Leads and plugs checked before use, damaged equipment taken out of use
- Nothing used with wet hands
4. Sequence of work
1. Arrive and set up
Collect keys and the alarm code from security. Sign in. Check the cleaning store for stock and that the data sheets are in the folder. Check the vacuum leads and plugs. Agree who takes which floor.
HazardsElectrical equipment
Controls- Leads and plugs checked before use, damaged equipment taken out of use
2. Toilets and kitchens
Gloves on. Toilets first with the red cloths and bleach; kitchens with the green cloths and sanitiser. Never bleach and descaler together. Restock consumables. Doors propped open while working.
HazardsCleaning chemicals
Controls- Bleach and descaler never used in the same session or the same room
- Gloves for every chemical task, goggles when decanting
3. Bins and surfaces
Empty bins into the wheeled trolley, replace liners, wipe desks and surfaces with the blue cloths. Take the trolley to the bin store on the ground floor at the end of each floor.
HazardsManual handling of bins and equipment
Controls- Bins emptied into the wheeled trolley, bags half filled
4. Vacuum
Vacuum carpets working towards the door. Keep the lead behind you and off the corridor when others are about.
HazardsSlips and trips from leads; electrical equipment
Controls- Nothing used with wet hands
- Lead kept behind the cleaner and clear of walkways
5. Mop hard floors last
Put wet floor signs at both ends. Mop from the far end back to the stairs so no one crosses the wet floor. Leave the signs up until dry.
HazardsSlips on wet floors
Controls- Each floor mopped last, working back to the stairs
- Wet floor signs at both ends of a mopped corridor
6. Check out and lock up
Return equipment to the store, rinse buckets, check windows and lights, set the alarm and return keys to security. Text the supervisor on leaving.
HazardsLone working
Controls- Text to the supervisor on leaving; a missed text by 9.30 pm is followed up by phone
5. Emergency arrangements
Fire: leave by the nearest exit and go to the assembly point in the car park; call 999. Chemical splash: rinse at the nearest sink or the eyewash in the cleaning store for 15 minutes and call 111 or 999. First aid kit in the cleaning store. Accident or feeling unwell while alone: phone the supervisor first, then 999 if needed. Report every accident and near miss on the day.
6. Notes and attachments
Risk assessment RA-004 and the COSHH assessments for the five products in use are in the cleaning store folder and form part of this method statement.
A method statement is a safe system of work: how the job will be done, in order, with the controls from the risk assessment built into each step. It is a starting point; the contractor must check it against the actual site and the actual job before work starts, and stop and revise it if the work changes.