ARCHITECTURAL SERVICES DEPARTMENT BUILDING SERVICES BRANCH

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ARCHITECTURAL SERVICES DEPARTMENTBUILDING SERVICES BRANCHGENERAL SPECIFICATION FOR AIR-CONDITIONING, REFRIGERATION,VENTILATION AND CENTRAL MONITORING & CONTROL SYSTEMINSTALLATION2001 EDITIONCorrigendum No. GSAC01(August 2002)

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  • ARCHITECTURAL SERVICES DEPARTMENT BUILDING SERVICES BRANCH

    GENERAL SPECIFICATION FOR AIR-CONDITIONING, REFRIGERATION,

    VENTILATION AND CENTRAL MONITORING & CONTROL SYSTEM INSTALLATION 2001 EDITION

    Corrigendum No. GSAC01

    (August 2002)

    The following clauses are amended in the above General Specification.

    C7.3.6 Minimum Motor Efficiency Unless otherwise specified, all motors shall have the minimum efficiency as specified in Table C7.3.6 below: -

    Table C7.3.6 Minimum Motor Efficiency

    Rated output power (P) Min. efficiency (%)

    5 kW?P< 7.5kW 88.3

    7.5kW?P< 15kW 90.1

    15kW?P< 37kW 91.8

    37kW?P< 75kW 93.6

    75kW?P< 90kW 94.7

    P?90kW 95.0

    - END -

  • ARCHITECTURAL SERVICES DEPARTMENT BUILDING SERVICES BRANCH

    GENERAL SPECIFICATION FOR AIR-CONDITIONING, REFRIGERATION, VENTILATION AND CENTRAL MONITORING & CONTROL SYSTEM

    INSTALLATION IN GOVERNMENT BUILDINGS OF THE HONG KONG SPECIAL ADMINISTRATIVE REGION

    2001 EDITION

    Addendum No. GSAC01 (March 2003)

    The following content and clauses are added in the above General Specification. Content

    A10.4 Essential documentation & Records for Handover of Air Conditioning, Refrigeration, Ventilation and Central Monitoring & Control System Installation

    A10.4.1 Information and Details to be Included A10.4.2 Essential Documentation and Records Required

    Clause A10.4 ESSENTIAL DOCUMENTATION & RECORDS FOR HANDOVER OF AIR

    CONDITIONING, REFRIGERATION, VENTILATION AND CENTRAL MONITORING & CONTROL SYSTEM INSTALLATION

    A10.4.1 Information and Details to be Included

    Information and details such as the design consideration, design logic, estimated cooling and heating load, the design parameters, the control sequence logic, etc. are all considered essential for future operation and maintenance work and shall be included in the hand over documents. The information shall also include the idea and concept of the original design especially for those relating to operation criteria. All these details and information shall be able to provide a suitable platform for future improvement and expansion work.

    A10.4.2 Essential Documentation & Records Required

    Apart from the system description, all essential documents and records including the operation and maintenance manuals, as fitted drawings, manufacturer details, testing and commissioning records, spare parts list, installed equipment and material schedule, handing over records, etc. shall be incorporated in the hand over documents. The following documents and records shall be included in the hand over document :-

  • (1) General description of the premises and its function. (2) General Client Requirements relating to the Air Conditioning Installation. (3) Details of the designer and installers. (4) General description of the Air Conditioning systems. (5) General description of the associated Electrical Installation. (6) General description of the associated Fire Services Installation. (7) General description of the Control Systems. (8) Specific Operation Requirements. (9) Specific Maintenance Requirements. (10) Specific Maintenance Schedules. (11) Details and information for modification work. (12) Manufacturers literature. (13) Manufacturers shop drawings. (14) Manufacturers operation and maintenance manuals for specific material

    and equipment. (15) Manufacturers test certificates, statutory certificates and spare parts list. (16) The operation and maintenance manuals of the entire system by the

    contractor. (17) As-fitted drawings including all installation drawings, layout plans,

    schematic wiring diagrams, schematic diagrams, detailed conduit run diagrams and etc. under the contract.

    (18) Points list including hard and soft points for automatic control system. (19) Terminology and references of the all maintenance, operation and

    inspection manuals. (20) Testing and Commissioning Records including the procedures, testing

    data, testing & commissioning certificates, inspection records and list of testing & commissioning equipment with calibration certificates.

    (21) Hand Over Records. (22) 24 hours emergency contact persons list from contractors and suppliers. (23) Comprehensive instruction for switching on, operation, switching off,

    isolation, fault finding and procedures for dealing with emergency condition.

    (24) Plant and equipment logging records during the free maintenance period. (25) Special equipment and tools list for operation and maintenance. (26) Records of Approval from Water Supplies Department for water

    connection. (27) Records of Approval from Electrical and Mechanical Services

    Department for electrical installation. (28) Records of Acceptance from Fire Services Department for ventilation

    control installation. (29) Copies of certificates for all electrical appliances. (30) Records of all guarantees. (31) Copy of Practical Completion Certificate. (32) Copy of Maintenance Certificate. (to be submitted after the final

    completion) (33) Copy of Final Contract Completion Certificate. (to be submitted after the

    final completion) (34) Copy of all insurance and warranty of specific equipment. (35) Schedule of installed material and equipment with on site or off site test

    certificates. (36) Proposed instrument list with the recommended calibration certificates.

    - END -

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