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HACCP Plan for a Food Truck: Mobile Kitchen Challenges

HACCP for Food Trucks and Mobile Catering Units

Quick answer

Food trucks and mobile catering units must meet exactly the same food safety standards as fixed-premises restaurants under EC Regulation 852/2004. However, the practical challenges are very different: limited space, no mains water in many locations, power-dependent refrigeration that can fail when generators run out of fuel, and the fact that you may operate at a different location every day. Your HACCP plan must address these mobile-specific hazards while still covering all the standard CCPs. Food trucks also have additional registration requirements: you must register with the local authority where your vehicle is normally kept, and you may need to notify other local authorities where you trade regularly.

Food trucks must meet the same food safety legislation as restaurants despite the physical limitations.
Water supply management is the most critical prerequisite - if water runs out, service must stop.
Refrigeration capacity must be matched to your maximum stock needs, including summer temperature peaks.

Key takeaways

Food trucks must meet the same food safety legislation as restaurants despite the physical limitations.

Water supply management is the most critical prerequisite - if water runs out, service must stop.

Refrigeration capacity must be matched to your maximum stock needs, including summer temperature peaks.

Cross-contamination control in confined spaces requires strict procedural separation and discipline.

Water Supply and Handwashing in a Mobile Unit

Access to potable water is a fundamental prerequisite for any food business, and it is the most common challenge for food trucks. Your HACCP plan must document your water supply arrangements: the capacity of your onboard water tank, how it is filled (from a mains supply using food-grade hoses only), how often the tank is cleaned and sanitised (at minimum weekly, or whenever the truck has been stationary for more than 24 hours), and how you ensure an adequate supply for the duration of service. You must have dedicated handwashing facilities with running water, soap, and single-use towels - a bucket of water with a dipper does not meet the legal requirements. Many food trucks use foot-pump or knee-operated taps, which are acceptable provided they deliver sufficient flow for effective handwashing. Your waste water (grey water) must be contained and disposed of appropriately - never discharged onto the ground. The limited water supply means you must plan your usage: factor in handwashing frequency during busy service, equipment cleaning between tasks, and utensil washing. If your water runs out during service, you must stop serving food until the supply is restored.

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Temperature Control With Limited Refrigeration

Food truck refrigeration is typically limited to one or two small fridge units, possibly supplemented by cool boxes. This makes temperature control both more critical and more difficult. Your HACCP plan should specify: the capacity of your refrigeration in relation to your menu (calculate the maximum stock you will carry and ensure your fridges can hold it below 8C even in summer), the monitoring frequency (at minimum at the start of service and every 2 hours, more frequently on hot days), and the corrective action if fridge temperature rises (reduce stock, add ice packs, or stop service if you cannot maintain temperature). On hot summer days, a small fridge in a metal vehicle can struggle to maintain temperature. Consider: parking in shade where possible, pre-chilling all ingredients before loading, minimising fridge door openings during service, and carrying a backup cool box with ice packs for emergencies. Generator or mains power failure is a specific risk - your HACCP plan should document the corrective action if power is lost: monitor the fridge temperature, and if food rises above 8C for more than 4 hours, discard perishable items.

Cooking and Cross-Contamination in Confined Spaces

A food truck kitchen may be 2-3 metres long. In this space, you must receive deliveries, store ingredients, prepare food, cook, and serve. The close proximity of raw and ready-to-eat items makes cross-contamination the primary hazard in most food truck operations. Your HACCP plan must demonstrate how you achieve separation in a confined space. This typically means: strict procedural separation (prepare raw items first, clean and sanitise all surfaces, then prepare ready-to-eat items), colour-coded equipment that is physically separated even if by only a few centimetres, and a clear workflow direction (raw ingredients enter from one end, finished food exits from the other). Cooking CCPs are the same as any kitchen: probe to 75C core. However, food truck cooking equipment (flat-top grills, small fryers, compact ovens) may not heat as evenly as commercial kitchen equipment, so probe more frequently - ideally every item during the first hour of service until you are confident in the equipment's performance at that location. Ventilation is also a concern: ensure your extraction system is adequate for the cooking volume. Poor ventilation leads to grease build-up (fire hazard and pest attractant) and uncomfortable temperatures for staff, which increases fatigue and the likelihood of food safety errors.

What to do next

Calculate your water budget for a full day of service

Estimate water usage for handwashing (every 30 minutes per person, plus between tasks), equipment cleaning, and food preparation. Ensure your tank capacity exceeds this with a 20% buffer. Plan refill points for multi-day events.

Stress-test your refrigeration in summer conditions

On the hottest day available, load your fridges to maximum capacity and monitor temperatures hourly throughout a full service day. If temperatures rise above 8C, reduce stock quantities or upgrade your refrigeration.

Common mistakes to avoid

Mistake

Only registering with one local authority when trading in multiple areas

Instead

Register with the local authority where your truck is normally kept. If you trade regularly in other areas, notify those local authorities as well. Some councils require separate registration for regular traders.

Mistake

No documented corrective action for power failure

Instead

Power loss means fridge failure. Your HACCP plan must specify the corrective action: monitor temperature, use backup cool storage if available, and discard perishable food that has been above 8C for more than 4 hours.

Frequently asked questions

Do I need a HACCP plan for a food truck?

Yes. Every food business in the UK must have a documented food safety management system based on HACCP principles. For a food truck, the SFBB pack (specifically the catering version) is a proportionate starting point, but you must supplement it with mobile-specific controls for water supply, transport, power, and the limitations of your unit.

Can EHOs inspect my food truck at an event?

Yes. EHOs from any local authority where you are trading can inspect your food truck at any time. They often conduct proactive inspections at markets, festivals, and food fairs. They will check the same things as in a fixed premises: temperatures, hygiene, documentation, staff knowledge, and structural condition of the unit.

What food safety documentation should I carry in my food truck?

Carry your HACCP plan or SFBB pack, the current day's monitoring records (temperatures, cleaning), your food business registration certificate, staff food safety training certificates, allergen matrix for your menu, and supplier traceability records. An EHO may ask to see any of these during a spot check.

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