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Wan Hin & Co. Ltd has undertaken 11 Public Works Contracts and 9 Housing Authority Contracts in the past 3 years. Of these, there were 1 (the recent one in Tseung Kwan O) fatal accident in the former and 2 in the latter.
The past performance of the lowest three tenderers are assessed in detail before tender recommendations are made. One important aspect of the tenderers' performance is their safety performance in previous contracts. Tenderers' site safety convictions under the Factory & Industrial Safety Regulations will also be considered before recommending award of
contract.
Where the cause of a major accident can be clearly identified it is our practice to make the circumstances known to all works departments, the Housing Authority and other agencies who are or may be responsible for similar contracts.
The exact cause of the accident has yet to be identified and investigation is being actively undertaken by the Police and the Labour Department with assistance from the Territory Development Department. In order to ensure temporary works such as supporting props are properly designed and constructed, the contractor is required under the contract to engage a professionally qualified independent checking engineer to check and certify the different stages of the design and construction of the temporary works. Accordingly, the contractor has to ensure that all temporary works throughout all construction stages are constructed in accordance with the certified design.
The in-situ casting of concrete decks and beams above carriageways in use has been used successfully in previous projects in particular where circumstances have been against the use of pre-casting within a reasonable distance or in view of undesirable closure of busy roads during the erection of the precast beams. Following the tragic accident at Tseung Kwan O we have advised Departments with projects involving works over roads to be especially vigilant. However there are currently no project with casting the beams in-situ above their final position similar to Tseung Kwan O and were any to arise we would re-assess the methodology in the light of this accident.