BEAM Plus Existing Buildings

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BEAM PLUS FOR EXISTING BUILDINGS APPENDICES
V ERSION 1.2 8.1 ANNUAL ENERGY USE
Copyright © 2012 BEAM Society Limited. All rights reserved.
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 items listed in Table 8.1 in Section 8 (from Code of Practice for
Energy Efficiency of Building Services Installation – 2012 Edition [2]);
Where applicable, those requirements listed in Table 9.4 of Code of
Practice for Energy Efficiency of Building Services Installation – 2012
Edition shall be strictly complied with as a pre-requisite for credits under
the Performance-based Approach. Substitutes or trade-offs in
performance for such requirements are not accepted.
Items covered in the referenced codes not defined here as basic
requirements are regarded as the minimum (benchmark) performance
for the relevant systems or components, but trade-off in performance of
such systems or components with other systems or components is
allowed within the overall energy performance assessment.
Other building specific requirements are given in relevant sections that
define the assessment method for the particular building type.
TABLE 8.1 BASIC REQUIREMENTS GIVEN IN BUILDING ENERGY CODE
Basic Requirements for Performance-based Approach in the Code of Practice for
Energy Efficiency of Building Services Installation – 2012 Edition
Lighting installations, given in Section 5 of BEC
- Lighting control (1) (clause no. 5.5 ) (2)
Air-conditioning installations, given in Section 6 of BEC
- System load calculation (clause no. 6.4 ) (2)
- Separate air distribution system for process zone (clause no. 6.5 ) (2)
- Air distribution ductwork leakage limit (clause no. 6.6 ) (2)
- Pumping system variable flow (clause no. 6.8 ) (2)
- Frictional loss of water piping system (clause no. 6.9 ) (2)
- System control (clause no. 6.10 ) (2)
- Thermal insulation (clause no. 6.11 ) (2)
- Energy metering (clause no. 6.13 ) (2)
Electrical installations, given in Section 7 of BEC
- Power distribution (clause no. 7.4 ) (2)
- Motor installation (clause no. 7.5 ) (2)
- Power quality (clause no. 7.6 ) (2)
- Metering and monitoring facilities (clause no. 7.7 ) (2)
Lift and escalator installations, given in Section 8 of BEC
- Electrical power (clause no. 8.4 ) (2)
- Utilization of power (clause no. 8.5 ) (2)
- Total harmonic distortion (clause no. 8.6 ) (2)
- Metering and monitoring facilities (clause no. 8.7 ) (2)
Energy efficiency requirements on building envelope
- Overall thermal transfer value, requirements same as given in Building (Energy Efficiency)
Regulation (Cap. 123M)
(1) For multi-tenanted buildings, this shall be confirmed by submitting a “Tenant’s fitting out specification” that governs
lighting installations and controls inside tenants’ areas.
(2) Clause number in BEC
8.1.4 SIMULATION
REQUIREMENTS
The computer simulation requirements shall be referred to Section A2 -
Numerical Method for Building Energy Analysis in BEC.
Clause A2.1 in BEC states: The numerical method for the building
energy analysis should be targeted for the estimation of energy
consumption in buildings in a comprehensive manner and should include
calculation methodologies for the building components or systems being
considered.
The required numerical method should include but not limit to the
2 Electrical and Mechanical Services Department. Code of Practice for Energy Efficiency of Building Services Installation