Guidance on the Control of Odour and Noise from ... - Defra

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• Air being drawn from dirty areas; and • Draughts and discomfort during cold weather Natural systems cannot provide targeted ‘cooling’ to staff working adjacent to canopies. Make-up air can be introduced into a kitchen by means of: • the canopy; • ventilated ceiling; • HVAC system; or • combination of the above. A range of extraction/make up air hoods are available. The choice of hood will be dictated by the application. Whichever system is chosen due regard should be given to potential noise issues arising from the make up air system (fans, duct work, grilles, noise breakout etc). Where a kitchen relies on a natural make-up air system, its resistance must be taken into account when calculating the overall system resistance against which the extraction fan will operate. In such a system, restaurant operators may rely on open doors and windows within the kitchen area to supply natural make up air. During summer months this may give rise to odour and noise problems for receptors living adjacent to the kitchen area or, allow the ingress of pests into the food areas. 40
4.2.4 Hoods/extract points A range of extraction hoods are available (see Figure 4.3) and the choice of hood will be dictated by the application. Figure 4.3 Canopy design a) Overhead wall mounted b) Overhead single island FILTERED AIR CONTAMINATED AIR c) Overhead double island d) Low level wall mounted FILTERED AIR CONTAMINATED AIR APPLIANCE APPLIANCE 41 FILTERED AIR CONTAMINATED AIR APPLIANCE FILTERED AIR APPLIANCE CONTAMINATED AIR
Page 1 and 2: Guidance on the Co
Page 3 and 4: Report Guide 3
Page 5 and 6: 4.4 Dampers 47 4.5 Fans 48 4.6 Acce
Page 7 and 8: canopy and entrained solid particle
Page 9 and 10: Executive summary Best practice for
Page 11 and 12: housing the commercial kitchen. Add
Page 13 and 14: 1 Introduction 1.1 Preamble Problem
Page 15 and 16: 2 Background 2.1 Odour 2.1.1 Odour
Page 17 and 18: 2.1.5 Physical properties and odour
Page 19 and 20: Table 2.3 Moisture and grease/smoke
Page 21 and 22: L tot = 10log 10 ⎛ ⎜ 10 ⎝ L1
Page 23 and 24: Table 2.5 Sources of noise from com
Page 25 and 26: Area Effect UV/ozone systems Limite
Page 27 and 28: Odour have been set so that statuto
Page 29 and 30: Table 3.2 Summary of the roles of L
Page 31 and 32: British Standards, and guidance fro
Page 33 and 34: � Health and Safety legislation/g
Page 35 and 36: 4 Review of common types of kitchen
Page 37 and 38: Figure 4.1 Schematic diagram of a t
Page 39: More detailed description and input
Page 43 and 44: to be increased where high output e
Page 45 and 46: Two types of system are available:
Page 47 and 48: duct penetrates the kitchen fire co
Page 49 and 50: Table 4.2 Advantages and disadvanta
Page 51 and 52: Table 4.3 - Noise characteristics o
Page 53 and 54: *manufacturer’s data. Mesh or imp
Page 55 and 56: • Disposable pleated filter actin
Page 57 and 58: • A temperature of 40 o C is cons
Page 59 and 60: 4.7.6 In-line oxidation systems Oxi
Page 61 and 62: • The height of external ground l
Page 63 and 64: 4.7.9 Summary of grease and odour m
Page 65 and 66: walls. (g) Noise radiated to outsid
Page 67 and 68: Figure 4.6 Dissipative duct attenua
Page 69 and 70: • general situation treated using
Page 71 and 72: 4.5 Panel and Bag £5,000 £335 £3
Page 73 and 74: Panel, Bag, HEPA and CF High to ver
Page 75 and 76: 4.11 Installation The following qua
Page 77 and 78: contributory factor in poor perform
Page 79 and 80: Table 5.1: Examples of wet cleaning
Page 81 and 82: 6 Acknowledgement Netcen would like
Page 83 and 84: 18) Noise at Work Regulations, Stat
Page 85 and 86: Annex A Summary of odour and noise
Page 87 and 88: Urban Kebab none At eaves height bu
Page 89 and 90: Metropolitan General advice 1 m abo
Page 91 and 92:
• dimensions; • route; and •
Page 93 and 94:
• volume of the kitchen; and •
Page 95 and 96:
Annex C: Risk Assessment for Odour
Page 97 and 98:
Annex D: Factors to take into accou
Page 99:
Determine background noise at the a
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Guidance on the Control of Odour and Noise from ... - Defra

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