United Bottlers (Private) Limited v Zindoga Munemo Shambawamedza

The plaintiff hired a paraffin-powered refrigerator from the defendant bottling company for use in his tuck-shop. Under the hire agreement, the defendant was responsible for keeping the refrigerator in good repair. In October 1996, the refrigerator stopped working and the defendant sent its mechanic, David Marange, to repair it on 24 October 1996. The mechanic replaced a burnt-out wick and filled the paraffin tank. However, he incorrectly positioned the burner under the chimney (evidenced by a yellowish flame instead of light blue) and failed to wipe off paraffin he had spilled on the tank and in the reservoir. When the plaintiff attempted to adjust what he believed was an overly high wick by lifting the metal cover over the tank, fire burst out and severely burnt him on his head, face, chest, hands, and abdomen. He was hospitalized for three months and suffered serious injuries with 50% total disability, requiring future plastic surgery estimated at $300,000-$350,000. The plaintiff sued for damages totaling $558,000 under various heads. The High Court found the defendant 80% liable and the plaintiff 20% contributorily negligent. Both parties appealed.

• Whether the defendant's employee was negligent in the repair of the refrigerator
• Whether the fire and resultant injuries were caused by the negligence of the defendant's employee
• Whether the plaintiff was guilty of contributory negligence
• Whether the quantum of damages awarded for general damages and future medical expenses was appropriate

The appeal by the defendant was dismissed with costs. The cross-appeal by the plaintiff succeeded with costs. The part of the High Court order apportioning damages (80/20) was set aside, meaning the defendant was held 100% liable for the damages awarded to the plaintiff.

The binding principles established are: (1) A person is negligent if he fails to act as a reasonable man would have acted in the particular circumstances, and will be held liable for actual consequences that are reasonably foreseeable. (2) In negligence cases, once it is clear that danger would have been foreseen and guarded against by the diligens paterfamilias (reasonable person), the duty to take care is established. (3) An act done in response to a defendant's negligence that is reasonably foreseeable does not constitute a novus actus interveniens breaking the chain of causation. (4) Contributory negligence requires proof of lack of reasonable care by the plaintiff for his own safety, and depends on foreseeability - a plaintiff must have been able reasonably to foresee that if he did not act as a reasonably prudent man, he might be hurt. (5) A finding that a plaintiff's conduct was a contributory factor in causation does not automatically establish contributory negligence; fault must be separately established. (6) The onus of proving contributory negligence rests on the defendant. (7) An appellate court will not interfere with a trial court's award of damages absent misdirection, irregularity, substantial variation/striking disparity, or lack of sound basis for the award.

The Court made observations about the standard of evidence required to prove quantum of damages, distinguishing this case from Malamba & Anor v Matambanadzo where a lay plaintiff gave unsupported evidence about repair costs. Here, expert medical evidence in the form of a plastic surgeon's report detailing necessary operations and estimated costs was sufficient to enable the court to assess damages, even though the defendant argued the evidence was insufficient. The Court also commented that regarding the fall in currency value and damages in comparable cases, the award for pain and suffering and loss of amenities was "on the lenient side", suggesting it could have been higher. The judgment emphasized that the wide discretion afforded to trial courts in assessing damages reflects the inherently difficult nature of quantifying non-pecuniary loss.

This case is significant in Zimbabwean (and comparative Southern African) law for its comprehensive treatment of negligence principles, particularly: (1) the application of the diligens paterfamilias (reasonable person) test in determining negligence; (2) the requirements for establishing factual and legal causation in delict; (3) the distinction between acts that form part of the chain of causation versus those that constitute a novus actus interveniens; (4) the proper approach to determining contributory negligence, including that a plaintiff's conduct contributing to causation does not automatically constitute contributory negligence; (5) the requirement of foreseeability of harm to oneself as an element of contributory negligence; and (6) the discretion of trial courts in awarding damages and the limited grounds for appellate interference. The judgment reinforces that contributory negligence requires proof that the plaintiff failed to take reasonable care for his own safety in circumstances where he ought reasonably to have foreseen harm to himself.