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BNBC 2020 · Part 8 — Building Services

Appendix F — Activity Flow Diagram: Planning, Design, Assessment and Construction in Building Acoustics Identification of acoustics type

Gazette pages 4966–4967 · Official gazette pages (PDF, 229 KB) — use for exact tables and figures.

involved in the space (Sec 3.4.1) Preparatory Phase

Noise Survey and preparation of Noise Map Identification of planning and (Sec 3.5.3) design targets, strategy, standards and codes (Sec 3.4.2, related standards and codes)

                     Design of Noise            Design for desired              Design for              Design for
                    Control for desired           Rever-beration              desired sound           desired sound
                    back-ground noise                  Time                        level                 diffusion
                     (Sec 3.5, related           (Sec 3.6, related           (Sec 3.6, related       (Sec 3.6, related
                      standards and               standards and               standards and           standards and
Design Phase
codes)                      codes)                      codes)                  codes)
                    Design for desired            Design for desired            Design for compatibility with general
                     Speech privacy              sound amplification             design parameters, safety, energy
                       (Sec 3.7 and             system, if any (Sec 3.8             efficiency, sustainability etc.
                    related standards           and related standards           (Sec 3.4.3 and related standards and
                        and codes)                   and codes)                                Codes)
Assessment Phase
                                            Assessment in standard                Assessment for compatibility with
                                          practice, like computational             general design parameters and
                                             methods for analysis,               compliance to standards and codes
                                           simulation and prediction                 for safety, energy efficiency,
                                          (Sec 3.4.3, related standards           sustainability etc. (Sec 3.4.3 and
                                                   and codes)                       related standards and codes)
Construction

Peer supervision and periodic Phase

assessment during construction (Sec 3.4.3, related standards and codes) constructing and Post-occupancy

Assessment and comparison of findings with 'Expected Results' Phase Post-

(Sec 3.4.3, related standards and codes)

Figure 8.F.1 Activity Flow Diagram: Planning, Design, Assessment and Construction in Building Acoustics

Source: Bangladesh National Building Code 2020, S.R.O. No. 55-Law/2020, Bangladesh Gazette (Extraordinary), 11 February 2021. Tables, figures and equations: refer to the linked gazette pages.