Landslip Claim Review
Author: Tonkin & Taylor Ltd, Auckland
Paper number: 4332 (EQC 91/62)
Abstract
The automatic cover for landslip damage has been included in the Earthquake & Damage Act since 1970. Tonkin and Taylor Ltd has undertaken a review of the engineering advice given to EQC during this period in assessing landslip and land damage. This includes:
- definition of failure as a landslip in terms of the Regulations
- cause of landslip failure
- future risk of instability
- recommendations on reclassification
The study has included review of the history of the development of EQC landslip cover and an assessment of over 2,000 claims of which some 70 claims containing Engineers' reports were analysed.
From this review draft guidelines have been developed for engineers investigating claims for landslip and land cover. Issues affecting future policy of the EQC have also been identified.
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