Department Of Building And Construction Construction Essay

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The government of HK has a guideline to instruct the contractor of T & C procedure of electrical services. The testing procedure proceeded commonly in construction stage and the participant of inspection included E&M engineer, main contractor, electrical subcontractor and specialist electrical power supplier. Also they were tests and carried out on different systems of the installation during construction to ensure their suitability for operating at the design conditions, certificates of such tests shall be issued together with certificates of any work tests.

The testing of plumbing & drainage are needed in construction stage also inspection and testing by licence plumber. When the drainage pipes were connected below ground level. The contractor shall notify the DSD, through the PBSE on the completion of the installation and its readiness for inspection and testing. In case it will not affect the progress of further construction. The participant of inspection included main contractor, P&D contractor, DSD's representative and E&M engineer. The T & C procedure is commonly check such as pipes connection, hydraulic gradient of drainage pipes, materials, size of pipes and water test or pressure test of pipes etc.

The testing of HVAC system is needed in construction stage. When the works started until the works were completed and test by qualified tradesman. If whole works were completed of HVAC system. The contractor shall notify the appropriate Authority, through the PBSE on the completion of the installation and its readiness for inspection and testing. The participant of inspection included main contractor, HVAC subcontractor and building authority. The T & C procedure is commonly check with HVAC system such as packaged water chillers, air-cooled chillers, cooling towers, pumps, pump alignment test, air handling units, heating coils (Not included in air handling unit), ducts, grilles, diffusers and fan coil unit etc.

The testing of TELVS is commonly in completion stage also inspection and testing by qualified electrician. A visual inspection shall be made to verify that the electrical installation /equipment as installed is correctly selected and erected in accordance with the code of practice and that there is no apparent damage also check the functions of all protective devices and functions of all items of equipment.

The testing of lifts and escalators are needed in installation stage also inspection and testing by qualified tradesman. Certain tests will be carried out on different systems of the installation during construction to ensure their suitability for operating at the design conditions. Prior to the installation, certain tests and inspections shall also be carried out to ensure that proper materials and equipment complying with the specification are provided and that the site conditions are satisfactory and suitable for the execution of the installation. The contractor shall notify the EMSD, through the PBSE on the completion of the installation and its readiness for inspection and testing. The participant of inspection included main contractor, specialist or lift's contractor and EMSD's representative. The T & C procedure is commonly check such as lift installation, escalator and passenger conveyor installation, vertical lifting platform installation and stairlift installation etc.

A list of works and installation requiring routine maintenance such as lifts and escalators, CABD, CCTV, electric wiring, F.S. panel, security panel, type and material of finish, fresh and flush water pipe work, control valves, underground foul and storm water drainage system. Also the recommended maintenance cycle for the above should stated as difference installation have a difference maintenance cycle to optimize the efficiency.

Some of the installations such as lifts, escalators and roofing have warranty and guarantee provided by the contractors, so the information as details of warranty and guarantee, name of providing company, contract point and the validity period should stated in the manual for easy tracking and quick referencing.

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