GENERAL SPECIFICATION FOR FIRE SERVICE …

1 GENERAL SPECIFICATION FOR fire SERVICE INSTALLATION IN GOVERNMENT BUILDINGS OF THE HONG KONG SPECIAL ADMINISTRATIVE REGION 2017 EDITION (INCORPORATING CORRIGENDUM NO. GSFS01-2017) ARCHITECTURAL services DEPARTMENT THE GOVERNMENT OF THE HONG KONG SPECIAL ADMINISTRATIVE REGION PREFACE This GENERAL SPECIFICATION aims to lay down the technical requirements of materials and equipment, the standards of workmanship, the requirements on testing and commissioning, and operation and maintenance as well as requirements on document submissions for fire SERVICE Installation in Government Buildings of the Hong Kong Special Administrative Region (HKSAR). The present edition (incorporating Corrigendum No.)

2 GSFS01-2017) of this GENERAL SPECIFICATION was developed from the 2017 edition by the fire SERVICE Specialist Support Group that was established under the Building services Branch Technical Information and Research & Development Committee of the Architectural services Department (ArchSD). It incorporates updated international standards and codes as well as technological developments which find applications in Hong Kong. To be in line with the Department s endeavour to reduce the environmental burden on our neighbours and to help preserving common resources while improving the quality of our SERVICE , this GENERAL SPECIFICATION puts emphasis on green features and green practices for construction as well as initiatives for enhancement of client satisfaction on completed projects.

3 With the benefit of information technology, electronic version of this new edition is to be viewed on and free for download from the ArchSD Internet homepage. As part of the Government s efforts to limit paper consumption, hard copies of this GENERAL SPECIFICATION will not be put up for sale. The present edition (incorporating Corrigendum No. GSFS01-2017) incorporates the essential changes to meet the latest fire services Department s requirements. The changes are minor in nature without imposing more stringent standards. The ArchSD welcomes comments on its contents at anytime since the updating of this GENERAL SPECIFICATION is a continuous process for the inclusion of any developments that can help meeting the needs of our community.

4 DISCLAIMER This GENERAL SPECIFICATION is solely compiled for fire SERVICE Installation carried out for or on behalf of the ArchSD in Government buildings of the HKSAR. There are no representations, either expressed or implied, as to the suitability of this GENERAL SPECIFICATION for purposes other than that stated above. Users who choose to adopt this GENERAL SPECIFICATION for their works are responsible for making their own assessments and judgement of all information contained here. The ArchSD does not accept any liability and responsibility for any special, indirect or consequential loss or damages whatsoever arising out of or in connection with the use of this GENERAL SPECIFICATION or reliance placed on it. The materials contained in this document may not be pertinent or fully cover the extent of the installation in non-government buildings and there is no intimated or implied endorsement of the sales, supply and installation of the materials and equipment specified in this GENERAL SPECIFICATION within the territory of the HKSAR.

5 Table of Contents Page 1 of 12 FS_GS 2017 Editionw/Corr. GSFS01-2017 TABLE OF CONTENTS PART A SCOPE AND GENERAL REQUIREMENTS SECTION A1 SCOPE OF SPECIFICATION Installations to Comply With this GENERAL SPECIFICATION Scope of the Installations Terms, Definitions and Abbreviations Terms and Definitions Abbreviations Singular and Plural Design Responsibility Use of Approved equipment SECTION A2 STATUTORY OBLIGATIONS AND OTHER REGULATIONS Statutory Obligations and Other Requirements Statutory Obligations Other Requirements Safety Requirements Technical Standards and Requirements

6 Case of Conflict SECTION A3 EXECUTION OF INSTALLATIONS The International System of Units (SI) Programme of Installations Builder s Work Coordination of Installations Cooperation with Other Contractors Site Supervision Sample Board Advice of Order Placed Record of Materials Delivery Protection of Materials and Equipment Labels and Notices Warning Notices Guard and Railing for Moving and Rotating Parts of Equipment GENERAL Requirements on Material, Equipment and Installations Materials and Equipment Standards Compatibility of Materials and Equipment Equipment Catalogues and Manufacturer s Specifications Manufacturers Technical Support in Hong Kong Table of Contents Page 2 of 12 FS_GS 2017 Editionw/Corr.

7 GSFS01-2017 Selection of Equipment SERVICE Conditions Voltage Covered by this GENERAL SPECIFICATION Registered Personnel Tools and Instruments Workmanship Standard Space for Plant Quality Assurance Standards Equipment Deviations GENERAL Design Requirements GENERAL Requirements on Operation and Maintenance Provisions SECTION A4 DRAWINGS AND MANUALS Drawings in Electronic Format Installation Drawings Drawing Submission Schedule Size of Installation Drawings Contents of Installation Drawings Builder s Work Drawings Manufacturer s Shop Drawings Drawings for Submission to Other Authority (FSD/Gas Office/EMSD/WSD etc) Checking Drawings of Other Trades As-built Drawings Submission of As-built Drawings Size of As-built Drawings Content of As-built Drawings Framed Drawings Operation and Maintenance (O&M)

8 Manual and User Manual GENERAL Presentation Checking and Approval Structure and Content of O&M Manual Structure and Content of User Manual Intellectual Property Rights Additional Requirements for Addressable System Checking Before Submission Table of Contents Page 3 of 12 FS_GS 2017 Editionw/Corr. GSFS01-2017 PART B fire SERVICE INSTALLATIONS SECTION B1 PIPEWORK, VALVES AND FITTINGS Steel Pipes and Fittings for Exposed Pipework Copper Pipework Underground Pipework Pipe Sizes Joints in Steel Pipework Joints in Copper Pipework Dismantling Facilities Pipework Installation Pipework Supports Expansion Joints GENERAL Axial Movement Pattern Angular or Lateral Movement Pattern Provision for Anchors and Guides Protection on Underground Pipework Pipe Entries into Buildings Venting and Draining

9 Valves, Taps and Cocks Pressure Gauges Electrical Alarm Pressure Switches Water Flow Alarm Switches Pipeline Strainers Ball Float Valves Vortex Inhibitors Orifice Plates Cleaning and Draining SECTION B2 HYDRANT AND HOSE REEL SYSTEM GENERAL fire SERVICE Inlets and Hydrant Outlets Venting and Draining Pressure Reducing Hydrant Outlets Hose Reels Cabinets Street Hydrant System Tanks and Water Pumps Controls Temporary Water Relaying Facilities SECTION B3 AUTOMATIC SPRINKLER SYSTEM

10 GENERAL Definition of Terms Types of Systems Table of Contents Page 4 of 12 FS_GS 2017 Editionw/Corr. GSFS01-2017 Classification of fire Hazard Grading of Sprinkler Systems Types of Water Branch Connection to Water Supply System Anti-Pollution Valve for Direct Connection to Town Mains Sprinklers Sprinkler Guards Spacing and Location Of Sprinklers Spare Sprinklers Pipework Installation Pressure Gauges, Valves and Alarm Devices Cabinets For Control Valve Sets and Sprinkler Inlets Tanks and Pumps Controls and Alarm Indications Water Flow Alarm Switches Subsidiary Stop Valves Sprinkler Control Valves Sets Dry Pipe Installation Pre-Action Installation Recycling System Deluge Installation Drencher Installation Other Automatic Fixed Installations Using Water SECTION B4 TANKS AND PUMPS Water Supplies Water Tanks Water Pumps Pump Operation Pump Construction