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Compressed gases and pressure vessels - 837 entries found

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  • Compressed gases and pressure vessels

2011

CIS 12-0112
Health and Safety Executive
Safe management of industrial steam and hot water boilers
There has been a significant increase in unmanned boilers, mainly due to improvements in the reliability of electronic control systems. This leaflet provides basic advice on the risks and regulatory requirements for the operation of steam boilers. It sets out the general principles of boiler safety for people with limited technical knowledge of boilers, such as owners, managers and supervisors, who do not have access to industry guidance.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, Oct. 2011. 10p. Illus. 6 ref.
Safe_management_of_industrial_steam_[INTERNET_FREE_ACCESS] [in English]

CIS 11-0841 Gollion A., Provini G., Valente L., Cordat M.F., Mullot J.U., Bousquet A.
15-year compressed air analysis at a French Navy laboratory in Toulon
Quinze années d'analyse d'air comprimé au sein du laboratoire de la Marine de Toulon [in French]
Breathing compressed air is a common practice for many professionals. Among them, French Navy personnel uses compressed air for diving and operations conducted in polluted environments (closed respiratory systems). The Navy has implemented a monitoring plan for several decades to limit chemical toxicity risks associated with compressed air usage. Laboratories offering expert surveys are a key component of this programme. This article's main aim is to present compressed air analysis results obtained over the last 15 years by the Naval expert survey and surveillance laboratory (LASEM) in Toulon. This retrospective analysis shows in particular that the overall non-compliance rate is less than 10%, excluding humidity measurements, despite the very stringent standards. Prospects for improving analytical services are proposed for guaranteeing better assessment of compressed air-related chemical risks.
Cahiers de notes documentaires - Hygiène et sécurité du travail, 3rd quarter 2011, No.224, p.3-8. Illus. 15 ref.

CIS 11-0600
Health and Safety Executive (HSE)
Safety in the installation and use of gas systems and appliances - Gas Safety (Installation and Use) Regulations 1998 - Approved Code of Practice and guidance
This Approved Code of Practice and Guidance relates to the Gas Safety (Installation and Use) Regulations 1998 (see CIS 00-924). The Regulations deal with the safe installation, maintenance and use of gas systems, including gas fittings, appliances and flues mainly in domestic and commercial premises. The Regulations affect a wide range of workers installing, servicing, maintaining or repairing gas appliances and other gas fittings, as well as suppliers and users of gas, including owners of buildings and premises. Replaces and updates CIS 00-245.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 3rd ed., 2011. vi, 98p. Illus. Approx. 150 ref. Price: GBP 10.95. Downloadable version free of charge.
L56.pdf [in English]

2010

CIS 11-0021 Bestratén Bellovi M.
Integrating occupational safety and health as a strategic value of customer service
Integrar la prevención como valor estratégico de servicio [in Spanish]
Interview of the head of a family enterprise involved in the manufacture, erection and maintenance of industrial installations, having implemented OSH and quality management systems.
Seguridad y Salud en el Trabajo, Mar. 2010, No.56, p.26-33. Illus.
Integrar_la_prevención.pdf [in Spanish]

2007

CIS 08-918 Hoszowski A., Pojnar M.
Experience gained during the operation of underground gas storage facilities - Problems and their solutions
Doświadczenia z dotychczasowej pracy podziemnych magazynów gazu - problemy i sposoby ich rozwiązywania [in Polish]
The experience gained over a 27-year period during the operation of underground gas storage facilities in various localities in South-Eastern Poland (Husów, Swarzów, Strachocina and Brzeźnica) is presented. The limitations resulting from the conditions of the bed and those of technical nature are discussed, together with problems occurring during the operation of the storage facilities and the methods used to solve them.
WUG Bezpieczeństwo Pracy i Ochrona Środowiska w Górnictwie, 2007, No.5 (153), p.14-19. Illus. 4 ref.

CIS 08-430 Mouthon M., Werlé R., Petit J.M.
Vehicles powered by natural gas - Working safely
Véhicules fonctionnant au gaz naturel - Intervenir en sécurité [in French]
Given the current concerns with respect to environmental protection and energy conservation, the European Union estimates that by 2020, alternative energies will represent 20% of automotive fuel consumption, of which compressed natural gas (CNG) will account for half. Persons working on such vehicles in garages, repair and maintenance workshops, and automobile recycling units will need to take the characteristics CNG vehicles into account and follow a number of specific safety rules. After an introduction on the basic properties of CNG, this guide goes on to present the main precautions and recommendations to be adopted for safe work on CNG vehicles.
Institut national de recherche et de sécurité, 30 rue Olivier-Noyer, 75680 Paris Cedex 14, France, Apr. 2007. 35p. Illus. 11 ref. Price: EUR 6.10. Downloadable version free of charge.
http://www.inrs.fr/INRS-PUB/inrs01.nsf/inrs01_catalog_view_view/BAEB3C2E3EE14AD4C12572C90037F45B/$FILE/ed6003.pdf [in French]

CIS 08-426 Douté M., Issartel E.
Storage of aerosols: Which extinguishing system?
Stockage d'aérosols: quels systèmes d'extinction? [in French]
An aerosol can is a form of packaging that enables the vaporisation of a product into fine droplets. It consists of a container, generally metallic, whose contents include approximately 60% of propellant gases (butane, propane or mixtures thereof) and 40% of the active ingredient, dissolved in a solvent. Given the nature of the products involved, there is a high fire or explosion risk during the manufacture and storage of aerosol cans. This review article on extinguishing systems suited to aerosol can manufacture and storage premises covers the following aspects: hazard analysis; usefulness of sprinklers; experience of a large cosmetics producer; short descriptions of accidents involving aerosol cans; regulations.
Face au risque, June-July 2007, No.434, p.21-24. Illus. 1 ref.

CIS 08-272
Health and Safety Executive
Gas appliances: Get them checked - Keep them safe
This leaflet aimed at users of gas appliances explains the risk of carbon monoxide poisoning when using defective equipment. It describes the symptoms of carbon monoxide poisoning, gives guidance on what should never be done and on the frequency of safety checks. It also recalls that gas appliances are covered by the Gas and Safety (Installation and Use) Regulations 1998 (see CIS 00-924).
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, Oct. 2002, reprinted 2007. 8p. Illus. 2 ref.
http://www.hse.gov.uk/pubns/indg238.pdf [in English]

CIS 07-1446 Olson K., Behnke J., Edlbeck D. R
Liquefied natural gas - LNG safety and protecting a facility: striving to be the safest in industry
Liquefied natural gas (LNG) is used in the United States to supplement normal gas supplies during periods of peak demand. It mainly consists of methane. LNG is stored and transported in cryogenic tanks subject to strict regulations. This article discusses effective fire protection for LNG facilities, which include prevention, control and extinguishment. Addressing these objectives requires implementing organizational measures, providing appropriate training, designing equipment which complies with safety standards, and using suitable extinguishing systems including dry chemical systems and foams.
NFPA Journal, Jan.-Feb. 2007, Vol.101, No.1, p.44-49. Illus.

CIS 07-1003 Ordinance of 15 June 2007 on the safety and the protection of workers during the utilization of pressure vessels (Ordinance on the utilization of pressure vessels) [Switzerland]
Ordonnance sur la sécurité et la protection de la santé des travailleurs lors de l'utilisation des équipements sous pression du 15 juin 2007(Ordonnance relative à l'utilisation des équipements sous pression) [Suisse] [in French]
Verordnung vom 15. Juni 2007 über die Sicherheit und den Gesundheitsschutz der Arbeitnehmerinnen und Arbeitnehmer bei der Verwendung von Druckgeräten (Druckgeräteverwendungsverordnung) [in German]
Ordinanza del 15 giugno 2007 sulla sicurezza e la protezione della salute dei lavoratori nell'utilizzo di attrezzature a pressione (Ordinanza sull'utilizzo di attrezzature a pressione) [in Italian]
This new directive concerning pressure vessels (effective: 1 July 2007) replaces the 1938 directive on pressure vessels (CIS 92-1078) and the 1925 directive on steam-generating equipment and steam vessels (CIS 92-1083). Contents: basic safety requirements; construction and installation of pressure vessels; protection against explosions and unauthorized access; maintenance; notifications and inspections. Main changes relative to the old legislation: a notification procedure replaces that of authorization and inspection; under certain conditions, inspections can be carried out under the responsibility of the enterprise; inspection intervals are harmonized.
Internet document, Switzerland, 2007. 6p.
http://www.admin.ch/ch/d/sr/8/832.312.12.de.pdf [in German]
http://www.admin.ch/ch/f/rs/8/832.312.12.fr.pdf [in French]
http://www.admin.ch/ch/i/rs/8/832.312.12.it.pdf [in Italian]

2006

CIS 08-1161 Wintle J., Moore P., Henry N., Smalley S., Amphlett G.
Health and Safety Executive
Plant ageing: Management of equipment containing hazardous fluids or pressure
This report discusses the factors to consider when managing equipment containing hazardous fluids or pressure, to help those responsible for equipment to understand and assess the risks of accumulated damage and deterioration. Once the symptoms of ageing are understood and detected from inspection, a decision can be made how to proceed. The options can include continued service, re-rating, repair, or scrapping the equipment. In addition to the engineering aspects, the report discusses important organizational issues and the importance of maintaining documentary information and records throughout equipment life. It also includes audit tools, case studies, general approaches to inspection and the capabilities and limitations of various non-destructive testing techniques.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2006. xii, 132p. Illus.
http://www.hse.gov.uk/research/rrpdf/rr509.pdf [in English]

CIS 08-921 Ho E.
Health and Safety Executive
Elastomeric seals for rapid gas decompression applications in high-pressure services
Seal damage and gas leaks caused by rapid gas decompression have been reported in many types of equipment in the oil and gas industry. These failures have had costly financial, safety and environmental implications for the operators and equipment suppliers. The aim of this report is to provide designers, engineers and plant managers with a systematic approach for the prevention of decompression damage in elastomeric seals, to provide advice on the selection of equipment and materials; advise the oil and gas industry on methods and procedures available to protect against decompression damage, to make production engineers aware of operating scenarios where damage may have occurred even though its effects are hidden, and finally to raise awareness of rapid gas decompression in the industry in general.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2006. viii, 63p. Illus. 19 ref.
http://www.hse.gov.uk/research/rrpdf/rr485.pdf [in English]

CIS 08-788 Georgiou G.A.
Health and Safety Executive
Probability of Detection (PoD) curves - Derivation, applications and limitations
Despite the large amount of "Probability of Detection" (PoD) data available, it is believed that PoD curves produced from PoD data are not very well understood by many of the persons who apply them. It is consequently important to question the validity of these curves as well as their limitations. This report aims to answer such questions and in particular their relevance to fitness for service issues involving PoD. The overall goal of this project is to provide clear, concise, understandable and practical information on the use of PoD curves, particularly aimed at safety and health inspectors.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2006. viii, 42p. Illus. Bibl.ref
http://www.hse.gov.uk/research/rrpdf/rr454.pdf [in English]

CIS 08-681 Goujon N.S.
Health and Safety Executive
Safety implications of TOFD for in-manufacture inspections
Time of Flight Diffraction (TOFD) is an ultrasonic non-destructive testing method which was originally developed as an accurate method for measuring the extent of defects which had been detected by more conventional methods such as Pulse-Echo (PE) ultrasonics. This report describes the results from a project aimed at evaluating the safety implications of the TOFD method, as applied by various EU testing bodies, for weld inspection at the manufacturing stage of pressure vessels.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2006. vi, 63p. Illus. 17 ref.
http://www.hse.gov.uk/research/rrpdf/rr433.pdf [in English]

CIS 07-899 Heudier L., Proust C., Couillet J.C.
Pressurized gas containers - Explosion hazards
Capacités des gaz sous pression - Risques d'explosion [in French]
This article addresses the issue of explosion hazards from pressure vessels. It explains what happens when a pressure vessel explodes and reviews existing numerical methods for modelling these explosions. It also describes the Difrex method developed by INERIS for the evaluation of the overpressure effects following an explosion or the loss of containment of a liquid.
Préventique-Sécurité, July-Aug. 2006, No.88, p.25-29. Illus.

2005

CIS 05-421 Davies G.F., Nolan P.F.
Health and Safety Executive
Computer model for the design and validation of directed water deluge systems for the protection of plant containing pressurised flammable materials against fire
This report describes the development of a computer model to predict the water distribution on the surface of vessels containing pressurized flammable materials protected by directed water deluge systems. The model is intended to be an integral component of new improved guidelines for the design of such water deluge systems. The aims of the project were to extend the range of applicability of an existing basic model to a wide range of tank sizes and water deluge designs. Predictions of water distributions across the surface of storage vessels obtained using the model have been validated against measured (experimental) data and a close level of agreement to within 7% has been demonstrated.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2005. vi, 42p. Illus. 18 ref. Price: GBP 20.00. Downloadable version free of charge.
http://www.hse.gov.uk/research/rrpdf/rr340.pdf [in English]

2004

CIS 07-526
Ministério do Trabalho e Emprego
Workers' magazine: industrial piping
Revista do trabalhador: Tubulações industriais [in Portuguese]
This videotape shows how planning errors and the lack maintenance of industrial piping often lead to serious accidents. Potential problems are identified and guidance is given on preventive measures.
Fundacentro, Rua Capote Valente 710, São Paulo, SP 05409-002, Brazil, [ca 2004]. Videotape (VHS format), 17min.

CIS 06-1278
Ministério do Trabalho e Emprego
Workers' magazine: Pressure vessels
Revista do trabalhador: Vasos de pressão [in Portuguese]
This videotape covers safety in the use of pressure vessels, highlighting the risk of explosions and the need for workers to be trained in vessel maintenance and inspection.
Fundacentro, Rua Capote Valente 710, São Paulo, SP 05409-002, Brazil, [ca 2004]. Videotape (VHS format), 10min.

CIS 06-1275
Ministério do Trabalho e Emprego
Workers' magazine: Safety of boilers - Safety of electrical installations - Safety in laboratories
Revista do trabalhador: Segurança em caldeiras - Segurança em instalaçoes elétricas - Segurança em laboratorios [in Portuguese]
These three videotapes describe measures for avoiding accidents during work with boilers, work on electrical installations and work in laboratories.
Fundacentro, Rua Capote Valente 710, São Paulo, SP 05409-002, Brazil, [ca 2004]. Three videotapes (VHS format), 13min, 11min and 12 min.

CIS 04-187 Code of practice for manufactured gas pipe installation
This standard specifies the design considerations, prohibitions, material specifications, installation requirements, inspection, pressure tests, purging, admittance of gas and maintenance for gas installation piping, from downstream of the gas service isolation valve to the appliance connecting points. It applies only to gas installation piping for the conveyance of town gas and natural gas at operating pressures of up to 20kPa.
SPRING Singapore, 2 Bukit Merah Central, Singapore 159835, Republic of Singapore, 2004. 46p. Illus. 27 ref. Price: SGD 40.00.

CIS 04-184 Jones D.J., Stanier D.J.
Health and Safety Executive
Piping systems integrity - Management review
This project was intended to develop proposals that would help companies reduce the occurrence of piping failure on industrial sites. It identified the key areas where improvements could be made. Work involved examining commonly-available information on piping, reviewing typical failures of piping and drawing upon practical experience from the chemical industry. A "life cycle" model of piping integrity was used to assess findings and make recommendations. The life cycle starts with scope definition, continues through design, construction, operation, and maintenance, includes modification and repair, and ends with decommissioning and disposal.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2004. vi, 37p. Illus. 16 ref. Price: GBP 10.00. Downloadable version free of charge.
http://www.hse.gov.uk/research/rrpdf/rr253.pdf [in English]

CIS 03-1521 Health and Safety - The Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations 2004 [United Kingdom]
These new Regulations act as one consolidated piece of legislation replacing the previous range of regulations on the subject. They implement, in part or completely, several Directives of the European Commission. They replace Regulations S.I. 1987/116 (CIS 90-713), 1988/896 (CIS 89-387), 1991/2097 (CIS 93-1082), 1996/2092 (CIS 97-377), 1996/2093 (CIS 97-375), 1996/2094 (CIS 97-370), 1999/257 (CIS 00-1522), 2001/1426 and 2002/2099 (CIS 03-1040), as well as Regulations modifying these. The main changes introduced are: new limited quantity and load thresholds for transporting dangerous goods; packaging requirements now based on RID/ADR; the transport of diesel, gas oil and heating oil coming fully into scope; new reporting requirements; phasing out of the competent person periodic inspection regime for transportable pressure equipment by 1/7/06. In schedules: old tanks; old pressure receptacles; competent authority functions; conformity assessments and reassessments; periodic inspection procedures; conformity marking; placards, marks and plate markings for carriage within Great Britain.
The Stationery Office Ltd (TSO), PO Box 29, Norwich NR3 1GN, United Kingdom, 2004. 95p. Illus. Price: GBP 9.00.
http://www.hmso.gov.uk/si/si2004/20040568.htm [in English]

2003

CIS 04-190 Technical reference for compressed natural gas (CNG) vehicle workshop and personnel requirements
This technical reference sets out requirements for the premises, personnel and procedures for work on compressed natural gas (CNG) vehicles, such as installation of fuel systems, inspection, maintenance, servicing and repairs.
SPRING Singapore, 2 Bukit Merah Central, Singapore 159835, Republic of Singapore, 2003. 35p. Illus. Price: SGD 30.60.

CIS 04-172 Specification for identification of contents of industrial gas cylinders
This standard specifies the requirements for the identification of the contents of industrial gas containers. It specifies the size and colour of the marks, as well as of the colour bands to denote the hazard properties of the contents of the container. It does not cover the identification of medical gas containers.
SPRING Singapore, 2 Bukit Merah Central, Singapore 159835, Republic of Singapore, 2003. 13p. Illus. 3 ref. Price: SGD 15.00.

CIS 03-1889 Valentino M., Rapisarda V., Fenga C.
Hand injuries due to high-pressure injection devices for painting in shipyards: Circumstances, management and outcome in twelve patients
Injuries due to high-pressure injections are frequently underestimated occupational accidents, which may have disabling outcomes. The occupational injuries logbooks of two shipyards were examined. Twelve accidents due to the utilization of high-pressure equipment were reported. Data were obtained by reviewing the employers' logbooks and hospital records. Contaminants were epoxy paint and stucco, paint solvent, hydraulic and industrial oil. The palm was injured in three cases and the fingers in nine. In 91% of cases, the accident occurred in the last two hours of the work shift. Causes were mishandling in nine cases and rupture of the high-pressure equipment in three. Mean time to medical treatment was 42.5hr. Ten workers were permanently disabled. Prompt surgical intervention with debridement and decompression was done in two workers, who healed completely. The ten patients who were not treated immediately eventually experienced a high rate of disability and five of them also suffered amputation.
American Journal of Industrial Medicine, May 2003, Vol.43, No.5, p.539-542. Illus. 16 ref.

CIS 03-1372 Acoustics - Acoustic insulation for pipes, valves and flanges
Acoustique - Isolation acoustique des tuyaux, clapets et brides [in French]
This international standard defines the acoustic performances of three classes of cylindrical steel pipe insulation of up to 1m in diameter. It also specifies three types of construction that will meet these acoustic performance classes. Furthermore, it defines a standardized test method for measuring the acoustic performance of any type of construction, thereby allowing existing and new insulation constructions to be rated against the three classes. It is not applicable to acoustic insulation of rectangular ducting and vessels or machinery.
International Organization for Standardization (ISO), Case postale 56, 1211 Genève 20, Switzerland, 1st ed., 2003. iv, 36p. Illus. 12 ref. Price: CHF 128.00

CIS 03-1401 Lan A., Daigle R., LeBoeuf D., Chaallal O.
Validation of propping based on high-density polyethylene piping or on metallic profiles normally used for culverts or sewers
Validation d'un étançonnement fait d'un tuyau de polyéthylène haute densité ou de profilés métalliques normalement utilisés pour les ponceaux et les égouts [in French]
The objective of this study was to validate the use of circular cross-section metallic or high density polyethylene profiles for propping during short-duration excavation work. This type of propping is easier and quicker to install than rigid panels and are better suited to reduced-diameter boring. Work involved measurements in the laboratory and at construction sites, together with mathematical simulations on the mechanical behaviour of pipes. It was concluded that this type of shoring is well suited provided one selects pipes having a minimum specified rigidity.
Institut de recherche en santé et en sécurité du travail du Québec (IRSST), 505 boul. de Maisonneuve Ouest, Montreal (Quebec) H3A 3C2, Canada, May 2003. x, 127p. Illus. 62 ref. Price: CAD 13.00. CD-ROM containing the PDF version of the document is included.
http://www.irsst.qc.ca/htmfr/pdf_txt/R-336.pdf [in French]

CIS 03-1438
Health and Safety Executive
Control of legionella bacteria in water systems: Audit checklists
This document provides checklists designed to help the responsible person in an enterprise audit the arrangements in place to control legionella bacteria in water systems in the premises. Three checklists are presented: one for the auditing of the risk assessment process and two for the auditing of the system itself (cooling towers and hot and cold water services).
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, May 2003. 19p. Price: GBP 4.25.

2002

CIS 08-275
Health and Safety Executive
Landlords - A guide to landlords' duties: Gas and Safety (Installation and Use) Regulations 1998
This leaflet aimed at landlords explains some of the main requirements of the Gas and Safety (Installation and Use) Regulations 1998 (see CIS 00-924), namely: main duties of the landlord; equipment covered by the Regulations, landlord's responsibilities; possible penalties faced by landlord if the tenants' gas appliances are not maintained; what to do in the event of a gas escape.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, Oct. 2002. 8p. 1 ref.
http://www.hse.gov.uk/pubns/indg285.pdf [in English]

CIS 03-842 Poppendick K.E., Behrens H., Janßen W.
Bundesanstalt für Arbeitsschutz und Arbeitsmedizin
Study on leakage in flat gaskets for manhole covers
Leckageuntersuchungen an Flachdichtungen für Mannlochverschlüsse [in German]
The leak-proof properties of seals depend on numerous factors, some of which are relatively complex. This report presents the results of a study on the leakage behaviour of flat static joints, and more particularly of bolted manhole cover gaskets. Three series of tests were conducted: leakage behaviour as a function of bolt tightening procedures, using different types of gaskets and with the systematic change of compressive load per unit area. Findings show that the specific rates of leakage in the nine types of flat gaskets studied are influenced considerably by the type of sealing material, the conditions of use and by the mechanical properties of the equipment flange used. The report will help users select suitable sealing.
Wirtschaftsverlag NW, Postfach 10 11 10, 27511 Bremerhaven, Germany, 2002. 88p. Illus. 21 ref. Price: EUR 11.00.

CIS 03-556
Health and Safety Executive
The safe use of gas cylinders
Accidents involving gas cylinders can cause serious injury or even death. This booklet provides simple practical advice on eliminating or reducing the risks associated with using gas cylinders. Contents: training; maintenance; repair; periodic examinations; handling and use; lifting; transport; storage; filling; legislation. Replaces CIS 01-69.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, rev. ed., Apr. 2002. 18p. Illus. 15 ref.
http://www.hse.gov.uk/pubns/indg308.pdf [in English]

CIS 03-263
Health and Safety Executive
A guide to the Offshore Installations and Pipeline Works (Management and Administration) Regulations 1995
This guide presents the text of the Offshore Installations and Pipeline Works (Management and Administration) Regulations 1995 (see CIS 95-804) along with appropriate guidance. Main provisions concern: definition of offshore installations; places and activities to which the Regulations apply; notification of authorities; duties and rights of installation managers; co-operation requirements; record keeping; permits to work; requirements for written health and safety instructions; arrangements for effective communication; safety of helicopter deck operations; operational information requirements; health surveillance; supply drinking water and other provisions; identification of the offshore installation; employers' liability. Replaces CIS 95-1717.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2nd ed., Sep. 2002. iv, 48p. Illus. 24 ref. Price: GBP 10.50.

CIS 03-331 Hill R.W.
Health and Safety Executive
Assessment of methods to detect leaks in the casing of room sealed appliances
Incidents involving the escape of carbon monoxide from central heating boilers occur frequently. The purpose of this study was to evaluate suitable procedures for detecting leaks from the case and seals of pressurized central heating boilers. The following procedures were found to be suited: visual and tactile inspection of the case and seals; smoke tubes to produce smoke for flow visualization; smoke matches to produce smoke for flow visualization; ordinary matches and wax tapers to produce a flame for flow visualization. However, the use of a flue gas analyser is not recommended: it does detect the drop in oxygen concentration or the presence of carbon monoxide due to a leak of combustion products, but may miss the small changes from a boiler burning well but leaking only slightly.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2002. vi, 61p. Illus. 3 ref. Price: GBP 25.00.
http://www.hse.gov.uk/research/crr_pdf/2002/crr02406a.pdf [in English]

CIS 02-1533 Ministerial Standard on OSH concerning the functioning of steam-generating plant or boilers in workplaces [Nicaragua]
Norma ministerial sobre condiciones de higiene y seguridad para el funcionamiento de los equipos generadores de vapor o calderas que operen en los centros de trabajo [in Spanish]
Contents of this legal standard on the safe operation of steam-generating equipment and boilers: objectives and scope; definitions; responsibilities of employers and of the operators of steam-generating equipment; applications for authorizations and licences; boiler rooms; accessory equipment; rules related to the water supply; chimneys and gas pipes; systems of fuel supply; cleaning of equipment; soot precipitation; boiler operation; cleanliness and repairs; technical inspections.
La Gaceta - Diario Oficial (Nicaragua), 20 June 2002, Year 106, No.115, p.4278-4290.

CIS 02-1873 Kinsman P., Lewis J.
Health and Safety Executive
Report on a second study of pipeline accidents using the Health and Safety Executive's risk assessment programs MISHAP and PIPERS
HSE uses mathematical models to estimate risks when examining proposals to develop land in the vicinity of high-pressure pipelines. PIPERS and MISHAP are computer programs based on these models. An earlier version of MISHAP, called MISHAP98, was not sufficiently conservative in some respects, and it was recommended that improvements be made. These have now been implemented and the present work examines the performance of the new version, called MISHAP01 that is now the routine tool for studying natural gas pipelines. PIPERS is an extension and development version of MISHAP, embodying alternative ways of modelling releases from natural gas pipelines and having additional models for use in the study of risks in the vicinity of pipelines carrying flashing and non-flashing liquids. Over 100 reports of pipeline accidents were studied using these programmes, and recommendations are made concerning their applicability and areas for further improvement.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2002. ii, 429p. Illus. Price: GBP 25.00.
http://www.hse.gov.uk/research/rrpdf/rr036.pdf [in English]

CIS 02-1532 Decree No.204 of 3 Sep. 2002 approving the Regulation on the substantive requirements and the evaluation of conformity of pressurized equipment [Bulgaria]
Naredba za săštestvenite iziskvanija i ocenjavane săotvetsvieto na săorăženijata pod naljagane [in Bulgarian]
Chapters I-III of this regulation enter into force after 18 months only from its date of promulgation.
Dăržaven vestnik, 13 Sep. 2002, No.87, p.6-31. Illus.

CIS 02-538
Secretaría del Trabajo y Previsión Social
Official Mexican Standard - Pressure vessels and boilers: Operation - Safety conditions [Mexico]
Norma Oficial Mexicana - Recipientes sujetos a presión y calderas: Funcionamento - Condiciones de seguridad [in Spanish]
Contents of this standard (effective: 27 Oct. 2002): scope (all workplaces where pressure vessels, boilers or cryogenic equipment are used); equipment not covered (diving equipment, hyperbaric chambers and bells, fire extinguishing equipment, tubing, portable vessels containing compressed gas, equipment under pressure used in conjunction with other fluid-treating mechanisms, LPG containers and tank cars covered by other legislation); definitions; employers' and workers' obligations; minimum safety requirements of equipment; procedures for the obtaining of authorization for the operation of such equipment; safety testing and controls. Mexican standard NOM-122-STPS-1996 on the same subject is repealed.
Diario Oficial de la Federación, 28 Aug. 2002, Vol.DLXXXVII, No.20, p.32-52. 3 ref.
http://www.stps.gob.mx/04_sub_prevision/03_dgsht/normatividad/normas/nom_020.htm [in Spanish]

2001

CIS 03-316 Benra F.K.
Simple mechanical joints for dangerous substances?
Einfache Gleitringdichtungen für gefährliche Medien? [in German]
Mechanical joints used in chemical plants, refineries or storage tanks are important components of safe operations. They are generally reliable under normal conditions. However, in cases of failure, they could result in the leakage of important quantities of liquids, which depending on their nature could have serious consequences. A team from the University of Duisburg undertook to examine what would happen if mechanical joints were damaged. A test rig was built for this purpose, including a pump for submitting the joints to extreme conditions and to determine the volumes of leaked liquids. Trials were carried out with different types of joints. Results indicate that that mechanical joints are relatively reliable and even in cases where the joint surface is damaged, leakage volumes remain low.
Umwelt, June 2001, Vol.31, No.6, p.42-44. Illus. 5 ref.

CIS 02-1290 Petzschmann E., Jung D., Watermann D.
Bundesanstalt für Arbeitsschutz und Arbeitsmedizin
Investigations on industrial safety and health protection using devices working with jets of liquids on building sites in the construction industry
Untersuchungen zur Arbeitssicherheit und zum Gesundheitsschutz beim Einsatz von Flüssigkeitsstrahlern auf Baustellen im Bauhaupt- und Baunebengewerbe [in German]
High-pressure water-jet equipment is increasingly used in many sectors of the building industry. In this study, the different hazards due to these devices are analysed with the objective of identifying appropriate prevention measures. The main hazards identified include the high noise level, bruises and injuries due to the jet, the wrenching of the hose and fittings, risks of trips and falls, high recoil forces and vibrations, in particular from the hand-held parts and due to poor work postures. Preventive measures for reducing these hazards are proposed.
Wirtschaftsverlag NW, Postfach 10 11 10, 27511 Bremerhaven, Germany, 2001. 417p. Illus. 89 ref. Price: EUR 32.50.

CIS 02-930 Braun M., Schulz T.
Standardization relating to the Pressure Equipment Directive
Normung im Bereich der Druckgeräte-Richtlinie [in German]
The purpose of this study was to develop an overview of the standards related to the European Pressure Equipment Directive 97/23/EC (see CIS 98-409). A survey of expert opinion was carried out to determine the degree with which the European standards took account of German regulations, and whether there remained further needs for standardization at the European level. Based on this overview, actions required at the German level with respect to the harmonization of standards for equipment operating under pressure were determined, and are the object of recommendations.
Verein zur Förderung der Arbeitssicherheit in Europa e.V., Kommission Arbeitsschutz und Normung (KAN), Geschäftsstelle, Alte Heerstrasse 111, 53757 Sankt Augustin, Germany, 2001. 155p. Illus. 20 ref.

CIS 02-883 Gautam S.S., Saxena P.K.
Survey of criticality of risk from LPG storage tanks at user-sites in North India
LPG is stored and handled in liquefied form under pressure. LPG storage systems are spreading rapidly across India. The large inventories in bottling plants and at user industries have lead to anxiety among industrial workers, the neighbouring public and government authorities. This article presents the results of a survey of the potential damage that could result from gas explosions following accidental release at a number of industrial sites in North India.
INDOSHNEWS, Jan.-Mar. 2001, Vol.6, No.1, p.1-8. Illus. 4 ref.

CIS 02-269 Guffey S.E., Flanagan M.E., van Belle G.
Air sampling at the chest and ear as representative of the breathing zone
Tracer gas concentrations were measured on a 60%-sized mannequin, which was holding a sulfur hexafluoride source at waist height while standing in a wind tunnel. Samplers were placed at the mannequin's mouth, in front of the ear and at three chest locations at lapel level. Simultaneous 15-min time-weighted average samples were taken with sampling pumps. Concentrations at all sampling locations when the mannequin faced to the front and side were less than a tenth of the levels measured at the nose, when the mannequin faced downstream. Different flow orientations and velocities affected the ratios of concentrations. At the back orientation, the chest sampler provided lower overestimates of measurements at higher velocities than at lower values. Results showed significant differences between concentrations at the nose and lapel. These findings should be interpreted with caution, because a dense tracer gas and an unheated not breathing mannequin were used.
AIHA Journal, July-Aug. 2001, Vol.62, No.4, p.416-427. Illus. 22 ref.

CIS 02-264 Booth D.W., Guffey S.E.
An evaluation of industrial ventilation branch screening methods for obstructions in working exhaust systems
Methods in identifying obstructed branches in industrial ventilation systems are divided into two categories: pressure comparisons and pressure ratio comparisons. The first compares measured static pressures with the corresponding design static pressures or previously measured pressures. The second compares the ratios of two measured pressures. Data were collected from 6 industrial ventilation systems. Each one was tested for naturally occurring or deliberately inserted obstructions. The pressure ratio method was substantially superior for the detection of obstructions.
AIHA Journal, July-Aug. 2001, Vol.62, No.4, p.401-410. Illus. 23 ref.

CIS 02-385 Wintle J.B., Kenzie B.W., Amphlett G.J., Smalley S.
Health and Safety Executive
Best practice for risk based inspection as a part of plant integrity management
This report discusses the best practice for the application of Risk Based Inspection (RBI) for the inspection of pressure equipment and systems that are subject to the requirements for in-service examination under the Pressure Systems Safety Regulations 2000 (PSSR). It can also apply to equipment and systems containing hazardous materials that are inspected as a means to comply with the Control of Major Accident Hazards Regulations (COMAH, see CIS 00-24). The report considers the application, data requirements, team competences, inspection plan (including NDT techniques and reliability) and overall management of the RBI process. An audit tool is given in the Appendices order to assist the evaluation the RBI process. This contains a flow diagram followed by a series of questions and a commentary relating to each stage, outlining the proposed best practice.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, Sep. 2001. viii, 114p. Illus. Bibl.ref. Price: GBP 30.00.

CIS 01-1598 Council of Ministers Regulation No.240/2001 concerning the technical supervision of pressurized equipment [Latvia]
Ministru kabineta noteikumi Nr.240/2001 - Spiedieniekārtu tehniskās uzraudzības kārtība [in Latvian]
This Regulation determines the technical procedures for the safety inspection of pressurized equipment in workplaces.
Latvijas Republikas Saeimas un Ministru Kabineta Ziņotājs, 2001, No.14, p.195-203.
http://www.baltenergy.com/zurnals/likumi/MK240_1.asp [in Latvian]

CIS 01-1834 Components for containment enclosures - Part 5: Penetrations for electrical and fluid circuits
Composants pour enceintes de confinement - Partie 5: traversées de paroi pour circuits électriques et circuits de fluide [in French]
Part 5 of the present international standard specifies selection criteria for, and describes the design characteristics of the various electrical- and fluid-circuit penetration components mounted on leak-tight or shielded containment enclosures. It is applicable to electrical components, including connectors, fixed or removable wall penetrations, distribution boxes and lighting devices, as well as to fluid components, including fixed or removable wall penetrations, fittings and junctions, and control devices for process or effluent circuits. Elements constituting the framework of containment enclosures (e.g. metallic walls, framework and transparent panels) are not covered by this standard.
International Organization for Standardization (ISO), Case postale 56, 1211 Genève 20, Switzerland, 1st ed., 2001. v, 52p. Illus. 2 ref.

CIS 01-1650
Health and Safety Executive
Pressure systems - Safety and you
Each year in the United Kingdom, there are approximately 150 occurrences of failures of pressure equipment, of which approximately six result in fatalities or serious injuries. This leaflet is aimed at employers or the self-employed, informing them of their duties under the Pressure Equipment Regulations 1999 (CIS 01-652) and the Pressure Systems Safety Regulations 2000. Employers have a further duty to consult workers or their representatives on safety and health matters. Contents include: reducing the risk of failure; providing safe and suitable equipment; knowing the operating conditions; installing suitable protective devices; carrying out suitable maintenance; training; equipment inspection.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, May 2001. 8p. Illus. 4 ref.

CIS 01-972 Commission Directive 2001/2/EC of 4.1.2001 adapting to technical progress Council Directive 1999/36/EC on transportable pressure equipment [European Communities]
Directive 2001/2/CE de la Commission du 4.1.2001 portant adaptation au progrès technique de la directive 1999/36/CE du Conseil relative aux équipements sous pression transportables [Communautés européennes] [in French]
This Directive replaces Annex V of Directive 1999/36/EC (see CIS 00-1530) concerning the modules to be followed for conformity assessment of transportable pressure equipment.
Official Journal of the European Communities - Journal officiel des Communautés européennes, 10 Jan. 2001, Vol.44. No.L 5, p.4-5.
http://europa.eu.int/eur-lex/pri/en/oj/dat/2001/l_005/l_00520010110en00040005.pdf [in English]
http://europa.eu.int/eur-lex/pri/fr/oj/dat/2001/l_005/l_00520010110fr00040005.pdf [in French]

CIS 01-1171 Hill R.
Health and Safety Executive
Detection of leaks in seals of fan pressurised central heating boilers
The purpose of the project was to define a suitable method for detecting leaks of combustion products from the case and seals of fan pressurized central heating boilers, which can result in carbon monoxide emissions. Several methods were found to have the potential to detect leaks: smoke tubes to produce smoke for flow visualization; flue gas analyser to detect the drop in oxygen concentration due to a leak of combustion products or to determine the flue gas composition; micro-manometers to determine the overpressure inside the boiler casing. Further work is required to determine appropriate test criteria and to develop suitable procedures for use by a service engineer.
HSE Books, P.O. Box 1999, Sudbury, Suffolk CO10 2WA, United Kingdom, 2001. vi, 24p. Illus. 2 ref. Price: GBP 10.00.
http://www.hse.gov.uk/research/crr_pdf/2001/crr01319.pdf [in English]

2000

CIS 02-1877 Code of practice for cylinders in bundles for permanent and liquefiable gases (excluding acetylene) - Inspection at time of filling
This standard consists of a modified version of ISO 11755:1996 "Cylinders in bundles for permanent and liquefiable gases (excluding acetylene) - Inspection at time of filling", adapted to suit local requirements, practices and climatic conditions. Contents: scope; definitions; inspections prior to filling, during and after filling; bundle identification data; deviations between this standard and ISO 11755:1996.
Singapore Productivity and Standards Board, 1 Science Park Drive, Singapore 118221, Republic of Singapore, 2000. 14p.

CIS 02-1414 Pérez Guerrero A.
Warning signs on vessels and piping: Practical applications
Señalización de recipientes y tuberías: aplicaciones prácticas [in Spanish]
This information note concerns the warning signs to be affixed to vessels and piping. It provides several practical examples of labels for the identification of hazards or dangerous substances and describes the colour-coding system used for piping as well as the relevant regulations and standards.
Instituto Nacional de Seguridad e Higiene en el Trabajo, Ediciones y Publicaciones, c/Torrelaguna 73, 28027 Madrid, Spain, 2000. 6p. Illus. 6 ref.

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