Page 53 - Industrial Ventilation Design Guidebook

1 8 CHAPTER 3 DESIGN METHODOLOGY OF INDUSTRIAL AIR TECHNOLOGY
0m TABLE 3.1 Design Methodology and Associated Toots

Administrative Flow—Quality Assurance: Prestudies, Design, Construction, Maintenance

Design Criteria Tools

Given Data dependent only on the site location and do not change during Database
data design process. Weather model
Process Purpose: Identification of possible emission sources, Expert systems
description occupational areas, effects of environmental parameters to Databases
production, needs for enclosure and ventilation. Division
of process into such parts that their inputs and
outputs can be defined.
Building Collection of properties of building layout, constructions, Databases
layout and windows as basic values for load calculations.
construction
Target Prediction of target levels for indoor and outdoor conditions Classifications
level based on requirements of laws and orders, human health, Regulations
assessment production processes and equipment, and type of premises and
construction. Needed as a standard to which system solutions
are compared.
Source Characteristics of sources and calculations methods Calculation models
description for load calculation.
Calculation Calculation of loads from different subprocesses. Building model
of local loads

System Performance
Local Examination of subprocesses in order to provide proper Calculation models
protection working conditions by it or to reduce emissions to environment. Prefabricated
In case use of local protection system effect on exposure of products
the process, load calculations shall be revised.
Calculation of Calculation of total loads from different subprocesses
total loads and environment.
System Based on technical calculations, conditions achievable by System description
selection different systems are compared to target levels to identify and
acceptable systems, which are compared to each other characterization
and the most suitable system is selected on the basis Heat, mass,
of different parameters: Power and energy consumption and energy
and investment and life cycle costs. balances
Equipment Based on technical specification, acceptable equipment is Equipment selection
selection identified. Final selection is made on the same basis as in programs and dia-
selection of system. grams
Detailed Includes the following subtasks: detailed design of ventilation Duct design
design systems, design of adjustment and control system, commissioning plan, programs and
diagrams
CAD solutions
(Drawing
tools)
Common items (built into tools):
-Energy consumption
-Ecological issues
-Costs (construction, life cycle)
(continues)