LEV Design

Plant Engineer Magazine LEV Article

Plant Engineer is a magazine by Findlay Media on behalf of the IPlantE and BES professional sectors of SOE (Society of Operations Engineers). It is provided to all members of the SOE who are members of IPlantE & BES free of …

HSE – Case Study – Minor modifications: ITT – Smoke Test

This is a case study on the HSE website looks into how minor modifications to an LEV Hood can make significant improvement to a tracer smoke containment assessment. ITT used booths to control exposure to harmful gases, mists and vapours …

LEV for the Control of Welding Fumes in the Construction Industry – Literature Review

Abstract Arc welding is a common unit operation in the construction industry, where frequent changes in location and welding position make it more difficult to control fume exposures than in industries where fixed locations are the norm. Welders may be …

DEFRA Statutory Guidance for the Working of Timber etc – Process Guidance Note 6/02(12)

Process Guidance Note 6/02(12) Statutory guidance for the working of timber and manufacture of wood-based products.  September 2012. This is a document sourced in reply to a forum topic about Cyclones and Wood dust.  This explains the moisture content of …

Friction Factor Calculation in Excel

Radigan Engineering have a free to download excel spreadsheet. Taken from their website: When in the course of human events it becomes necessary to calculate the Darcy-Weisbach friction factor… engineer’s often throw up their hands, go back to their old …

Bernoulli’s Equation – Princeton University

Bernoulli is a fascinating 18th Century pioneer who studied fluid dynamics and various other fields.  His algebraic theorem found that Velocity Pressure is proportional to the square of velocity. This section of Princeton Universities website explores the work of Bernoulli …

Radioisotope Fume Hood Occupational Risk Prevention Manual

This PDF link is about Radiosotope Fume Cupboards. Taken from the documents abstract: Abstract. Using radioactive substances in hospitals, laboratories, industries… has got a great importance at present. Personnel in nuclear medicine and nuclear research laboratories face with the problem …

Textile-based Ductwork Distribution Systems

This module considers the design and application of textile-based air distribution systems which are sometimes used as an air input for LEV Systems. Taken from the article: Examples of the application of fabric- or textile-based air distribution stretch back into …

Reference Material for The Safe Design of Perchloric Acid Fume Hood Exhaust Systems

This is a useful American PDF document, located on MK Plastics website dated 2008.  This references the best practices for the safe design of Perchloric Acid Fume Hood Exhaust Systems. Please make sure that you check that the resource meets the current guidelines …

Nuclear Industry Guidance for Ventilation and LEV

About the National Nuclear Ventilation Forum The objective of the forum is to discuss and document good practices relating to nuclear ventilation. The forum is open to representatives from all UK nuclear ventilation industry companies. The mandate of the Forum …