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6.9 Frictional Loss of Water Piping System 26 6.10 System Control 27 6.10.1 Temperature Control 27 6.10.2 Humidity Control 27 6.10.3 Zone Control 28 6.10.4 Off-hours Control 29 6.10.5 Isolation of Zones 30 6.10.6 Control of VAV Air Distribution System 31 6.10.7 Demand Control Ventilation 31 6.11 Thermal Insulation 32
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Code of Practice for the Electricity (Wiring) Regulations ...
www.emsd.gov.hkof the Wiring Regulations. However, those installations or parts of installation which comply with 2015 edition of this CoP is also deemed to have met the requirements of the Wiring Regulations provided that they: (a) completed and connected to electricity supplies before 31 …
Code of Practice for Energy Efficiency of Lighting ...
www.emsd.gov.hkThe set of comprehensive Building Energy Codes cover this Code, the Codes of Practice for Energy Efficiency of Air Conditioning Installations, Electrical Installations, and Lift & Escalator Installations, and the Performance-based Building Energy Code. Amendment to 1998 Edition
CODE OF PRACTICE - EMSD
www.emsd.gov.hk5.2 Bleed-off Control and Reuse of Bleed-off Water 21 6. Notices and Labels 23 7. Risk Management of a Cooling Tower System 24 7.1 General 24 ... Biocide : A physical or chemical agent that kills bacteria and other microorganisms. Biodispersant : A chemical compound added to the water inside cooling tower
Technical Guidelines on Charging Facilities for Electric ...
www.emsd.gov.hk10. For Mode 1 charging, an AC charging current is delivered via a standard socket outlet e.g. BS1363 13A and a charging cable without communication function to the on-board charger of the EV. The presence of a residual current device (RCD) is a must on the supply side of the fixed electrical installation. This mode of charging is suitable for
Building Information Modelling for Asset Management …
www.emsd.gov.hk6 1. Introduction 1.1. Overview and Objectives The Building Information Modelling for Asset Management (BIM-AM) Standards and Guidelines is based on the asset templates developed by Electrical & Mechanical Services Department (EMSD), which is a summary of information requirement for more than 21 types of Electrical & Mechanical (E&M) systems that need …
Checklists to be Used - EMSD
www.emsd.gov.hktrunking. Bushing and rubber grommet, where necessary, provided. _____ (iii) Conductor sized to suit the rating of the fuse/MCB protecting the circuit. _____ (iv) No cable joint in final circuit. _____ (v) All joints of metal conduits or trunking to be mechanically sound, electrically continuous and protected against corrosion. _____ (vi) For ...
FORM 1 - New/Renewal Application for Registration as an ...
www.emsd.gov.hkELECTRICITY (REGISTRATION) REGULATIONS NEW/RENEWAL APPLICATION FOR REGISTRATION AS AN ELECTRICAL CONTRACTOR 此欄不用填寫 For Official use only 收件日期： Receipt date: 收據編號： Receipt Number: (注意：填寫此申請表格前請參閱「表格一備註」。
Guidance Notes for the Electrical Products (Safety ...
www.emsd.gov.hkThe Notes are a guide for suppliers of electrical products to understand the requirements of the Regulation. The Notes also set out lists of standards that are deemed to satisfy the applicable safety requirements of the Regulation. The Notes, which should be read in conjunction with the Regulation, are for guidance only and have no legal force.
Guidelines on Energy Efficiency of Lift & Escalator ...
www.emsd.gov.hkPractice for Energy Efficiency of Lighting Installations, Air Conditioning Installations and Electrical Installations, and the Performance-based Building Energy Code. As a supplement to the Lift & Escalator Code, the EMSD has developed this handbook of Guidelines on Energy Efficiency of Lift & Escalator Installations (Guidelines).
香港避雷系統與防雷裝置守則 大廈避雷系統適用標準規範 一 …
www.emsd.gov.hkIEC / BS EN 62305-1 = GB/T 21714.1 4. IEC / BS EN 62305-2 = GB/T 21714.2 5 IEC / BS EN 62305-3 = GB/T 21714.3 6. IEC / BS EN 62305-4 = GB/T 21714.4 7 8. Practice Note for Authorized Persons Buildings Department and Registered Structural Engineers 屋宇署156 ...
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CHAPTER 15 ROOF ASSEMBLIES AND ROOFTOP STRUCTURES
www.ecodes.bizUnless roofs are sloped to drain over roof edges, design and installation of roof drainage sys- ... ground piping, tail extensions, or splash blocks. Gutters with ... pliance with the sizing requirements set forth in ASTM D 1863. A building officialmay request a test to confirm compli-ance with these requirements.
Recommended Standards for Swimming Pool Design and …
doh.sd.gov9.6 Main Drain System 9.6.1 Design and Location 9.6.1.1 Multiple Drains 9.6.1.2 Single Drain 9.6.1.3 Antivortex Covers 9.6.2 Spacing 9.6.3 Antivortex Covers on Gratings 9.6.4 Piping 9.7 Pumps and Strainers 9.7.1 Strainers 9.7.2 Pumping Equipment 9.8 Flow Measurement and Control 9.8.1 Flow Measurement 9.8.2 Flow Regulation 9.9 Inlets
Piping Evaporative Condensers
www.evapco.comsizing when centrifugal compressors are being used. These machines have more critical head characteristics that may necessitate larger line sizes. Liquid Drain Line–Single Condensers Now let's consider the recommended piping for a single condenser illustrated in Figure 3. This figure shows a single coil evaporative condenser
STANDARDS FOR LANDSCAPE IRRIGATION SYSTEMS
www.irrigationbc.com(a) The velocity of flow in piping must not exceed 5 feet per second. (b) Pipe routing must take site elevation changes into consideration to minimize low head drainage. (c) Selection of the strength and / or flexibility of the pipe material and its installation criteria must consider site specific requirements such as frost, traffic, soil depth,
3M Self-Regulating Heat Tracing Cables
multimedia.3m.com• Metallic or non-metallic piping tanks and equipment • Sewage pipes, intake and drain lines (external tracing only) • Water meters and outside pipes/taps • Water pipes in unheated areas • Sprinkler systems • Refrigeration * For pipe freeze protection add thermal insulation for a complete installation Ratings:
Compressed air filters - Atlas Copco
www.atlascopco.comAs downstream piping & vessels can add particles, it is advised to install particle filters DDp+ and PDp+ just before the application to reach particle class 1 at point of use. The compressor should be equipped with a liquid water separation system such as an after cooler including a drain or a water separator (WSD).
ESFR PENDENT TECHNICAL DATA SPRINKLER VK510 (K25.2)
www.vikinggroupinc.com1. Remove the system from service, drain all water, and relieve all pressure on the piping. 2. Using the special sprinkler wrench, remove the old sprinkler and install the new unit. Care must be taken to ensure that the replacement sprinkler is the proper model and style, with the correct orifice size, temperature rating, and response ...
ETHEKWINI DESIGN MANUAL - Durban
www.durban.gov.zaThe pipe drainage must collect and drain the rain water from collection points, (eg. down pipes) to the soakpits and sized to ensure that the soakpits will fill during significant storm events. 1.2 Provision of attenuation and other storage structures Where economics, site geology, impermeable rock layers or …