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Discussing protection for all industriesRead More
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OSHA 1910.147 outlines the requirements for the control of hazardous energy (lockout/tagout) with specifics on written programs, machine-specific written procedures, training, and periodic inspections. Unfortunately, as with many OSHA requirements, they inform you “what” to do, but not “how” do it, and leave this part up to the employer. The challenge for many employers is the lack of knowledge or experience to effectively implement the OSHA lockout guidelines so that they are effective and meaningful.



1. Select and develop a LOTO champion


A lockout program will only be as strong as its leader. If there is not someone confidently in charge who has the knowledge and control of your lockout program, then this is your first point of correction. Pick a champion, give them the authority to do their job, and provide access to training and learning that will allow them to develop the necessary skills to be effective.

2. Write machine-specific lockout procedures


Writing proper machine-specific lockout procedures is by far the most time-consuming, expensive and complex part of implementing a lockout program. Procedure development can be done internally, but a professional’s familiarity with lockout procedure writing increases the quality control and helps minimize the missing steps or energy sources when written internally. But not all lockout service providers are the same, so vetting the experience and expertise should be a part of your selection process.

3. Select and use proper locks and lockout devices


Once machine-specific lockout procedures are written, the proper selection of locks and lockout devices should be chosen. However, this step frequently gets passed over, resulting in too much equipment, too little equipment, or not the right equipment. In order to identify and select the proper devices and locks, complete an assessment to determine the exact devices required for shutting down a machine, zone or area, with consideration for the maximum number of machines that would be shut down at the same time, and the number of devices required to perform this lockout scenario.

4. Identify when lockout is required and what to lock out


Identifying when lockout is required is certainly the most confusing part of a lockout program for maintenance workers. There is even more confusion when it comes to troubleshooting equipment or performing particular tasks that require the equipment to be energized, which includes testing and adjustment of machinery. The solutions here aren’t quite as straightforward and require a degree of lockout expertise and analysis of the task in order to make the proper choice.

5. Conduct effective and meaningful lockout training


There is a wide range of lockout training options for authorized persons (those performing lockout on machines). Proper training should not only include the standards, but the application of the standards to the worker’s particular jobs and tasks. Effective training should include any details from your written lockout program that are unique to your organization. Lockout training should include review and application of your particular procedures, locking scheme and devices. And finally, proper training should include interfacing and applying lockout to actual equipment.

6. Enforce noncompliance


A big gap in many lockout programs is the lack of clear or effective policy for when workers are found to be non-compliant in application of lockout. Identifying the disciplinary actions of non-compliance and who is in charge of enforcing the program is critical to lockout program success, and should be clearly stated in your written lockout program and be part of your training program.

7. Encourage near-miss reporting


Near miss reporting is an important link to identifying gaps and errors in your lockout program, but many companies have a culture that represses near miss reporting instead of encouraging it. When it’s not reported upstream, there is no chance for the lockout champion to assess the problem and put additional safeguards or lockout controls in place. So in order to help prevent a near miss from turning into an injury, organizations need to encourage near miss reporting, and thank the workers for reporting them instead of punishing them.

8. Perform periodic inspections


OSHA states that the employer shall conduct a periodic inspection of the energy control procedure at least annually to ensure that the procedure and the requirements of this standard are being followed. The certification shall identify the machine or equipment on which the energy control procedure was being utilized, the date of the inspection, the employees included in the inspection, and the person performing the inspection.

9. Manage and document machinery procedure changes


Perhaps the most challenging role for a lockout champion is change management as this requires a process for tracking and managing procedures and standards, and may involve multiple departments, including contractors. To start, any machine upgrades or new machine introduction need to be compliant for locking out, and should be designed with lockout safety in mind. This requires being involved with the planning stages with engineering and/or purchasing. If changes are made internally, there must be a process put in place to capture the changes, and someone assigned for managing the process and updating the procedures.

10. Balance safety & production


Implementing proper and effective lockout programs can be challenging, but once implemented, safety, time and quality can be improved. It all starts with assigning a lockout champion who has the knowledge and authority, and requires the cooperation of multiple departments and levels of workforce. Implementation also takes time and investment and may require the services of third parties. It can’t all be accomplished at once, so prioritize your needs, assign budgets, and take on one task at a time.

SOURCE:

https://www.ishn.com/articles/107527-mind-your-loto-gaps-10-lockout-tagout-challenges-solutions?
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Top Five Footwear Tests

12/3/2017 5:19 PM

Since June 1995, it has been stipulated that products designed to protect users from health and safety hazards must be CE marked before they can be sold in the European Community.

Such products are called Personal Protective Equipment (PPE) and are covered by the Personal Protective Equipment Directive 89/686/EEC. This EC Directive defines the regulations and procedures required before a PPE product may be CE marked and placed on the market. It includes a set of health and safety requirements with which all PPE must comply.

The responsibility for ensuring that the Directive is adhered to falls upon the manufacturer. The Directive is enforced in the UK by the local authority Trading Standards Service. Failure to comply can lead to up to three months in prison and/or a fine of up to £5,000. Furthermore, manufacturers can be required to recall and replace any equipment found to be faulty. The CE mark is the manufacturer’s claim that their product meets the requirements of the directive. It is illegal to CE mark a product that does not comply with these requirements.

The PPE directive defines three categories of products:

** Simple design – products, such as sunglasses, which offer protection against minimal risks
** Complex design – products such as respiratory protection systems, which protect against dangers that could be fatal or cause serious, irreversible injuries
** Intermediate design – products, such as, most protective footwear, which do not fall within either of the above classifications

The CE marking process is different for each category. For all categories, conformance with the requirements of the Directive must be declared in writing, and a technical file must be compiled (technical files are explained below). For intermediate and complex design products, an independent assessment of the product is also necessary. This process is called an EC Type Examination, and usually involves testing against a harmonised European standard in order to prove conformance with the requirements of the Directive. For complex design products only, there is a further requirement that production is independently monitored to ensure that quality levels are maintained after the CE marking license had been granted. This is achieved through regular factory inspections, or approval of a recognised quality control system, both of which must be carried out by competent authorities.

The vast majority of footwear PPE falls into the intermediate design category. There are some exceptions, however, such as footwear for use in dangerous situations, for example, boots worn by fire fighters, which normally fall into the complex design category.


CE marking procedure


Protective footwear products are currently divided into three classes, dependent on the intended use:

** Safety footwear - incorporates toecaps, which provide protection from impact energies of up to 200 joules and compression forces of up to 15,000 newtons

** Protective footwear - offers a lower level of protection, withstanding impact energies of up to 100 joules and compression forces of up to 10,000 newtons

** Occupational footwear - does not provide such protection to the toes, but may protect the wearer from risks such as electric shock

It should be noted that the protective footwear standard is to be withdrawn. This is due to improvements in footwear and materials technology, as safety caps now offer the aesthetics of protective ones, meaning they are less cumbersome and fit as well into modern designs.

Technical files


Following successful completion of the relevant testing programme, a technical file must be compiled and assessed by a Notified Body appointed by the government of an EC member state. The Notified Body has the authority to issue an EC Type Examination Certificate, which is effectively a license to CE mark the product. The technical file is held by the Notified Body until at least 10 years after the last placement of the product(s) on the market.

A technical file is a collection of documents which includes:

** Details of compliance with the health and safety requirements
** Technical specifications of the product(s)
** Details of suppliers of all relevant components
** Test results
** Quality procedures

Upon successful assessment of the technical file, a document called an EC Declaration of Conformity must be submitted to the Notified Body. This is a legally binding document, which states that the product is in conformance with the PPE directive. Changes to the product are not permitted without further testing and re-certification.

Certification


Products for which certificates are granted may be CE marked and sold freely throughout the European Community. Under the current version of the PPE directive, certificates remain valid for 10 years. This is expected to change when the directive is next revised, possibly reducing the validity limit to five years.

Testing


Footwear must be fit for purpose. This phrase means the product should be fit for all its intended purposes, including any indicated by the retailer. Testing is an important step in proving the fitness of purpose of conventional and safety footwear.

The different classes described previously are subject to different testing programmes in accordance with harmonised standards. Within the European Union, safety and occupational footwear is tested against EN ISO 20345:2011 and/or EN ISO 20347:2012. Completion of the relevant programme of testing is the first stage in the EC Type Examination. PPE footwear testing should be performed at an accredited laboratory.

Toecap tests


Safety boots with toecaps present give added protection to the wearer. This protects the foot from falling objects, crushing injuries, or other hazards. Although traditionally made of steel, the reinforcement can also be made of a composite material, or a plastic such as thermoplastic polyurethane (TPU). Steel-toed boots are important in the construction industry and many other industrial settings.

Sample preparation The specimen is obtained by completely removing the toe portion of the footwear by cutting across the width behind the back edge of the protective toecap, leaving a three centimetre gap away from the toecap on the outsole. A plasticine (modelling clay) cylinder is positioned inside the specimen directly under the point of pressure. The specimen is placed on the base of the test apparatus in such a way that the central point of test will be the highest point of the toecap. The placement of the plasticine cylinder is determined by the standard and measurements taken from the shoe itself.

Two different types of tests for the toecap are impact resistance and compression resistance.


Impact resistance The impact resistance test delivers a sudden blow to the sample and is achieved by impacting the toecap with a specified energy, which is measured in joules. The striker has a mass of 20 kg and the nose of the impactor is a steel wedge, delivering a total impact energy of 200 joules. The test apparatus drops the weight from a height of approximately one metre onto the prepared specimen.

Compression resistance The compression resistance test differs from the impact test, by applying a steady and increasing load to the sample using two steel plates until 15,000 newtons is achieved. Once this load pressure has been obtained, the measuring process is the same as for the impact test.

Obtaining results for both types of toecap tests:

The toecap test is performed and the plasticine is carefully removed. The minimum height of the plasticine is measured. This determines if the toecap has fulfilled the Grade or Class requirements of the standard.

Outsole tests


The outsole is tested for slip and penetration resistance.

Slip resistance Slip resistance is a critical element of the safety testing of footwear. As consumers and workers become more aware of their rights, there is an increasing chance of litigation. It is essential that footwear manufacturers test the slip resistance by measuring the coefficient of friction between the sole and different types of flooring.

This key test is in accordance with the British Standard EN ISO 13287- Standard test method for static and dynamic coefficient of friction of materials (slip resistance). It covers the determination of the coefficients of starting (static) and sliding (dynamic) friction of materials when sliding over other substances at specified test conditions. The procedure permits the use of a moving sample with stationary plane. The machine used to conduct slip resistance testing incorporates a specially-designed control and data acquisition system, which provides the test technician with the coefficient of friction for each test performed on each sample. The equipment also provides a graphical representation of the test data.

Measurements of frictional properties may be made on materials when sliding over another substance. The coefficients of frictions are related to the slip properties of the materials under test. The slip resistance test can determine the anti-slip properties of the safety footwear being tested.

For PPE footwear two types of flooring and lubrication are used. International test standards and methods for assessing slip resistance exist to provide the industry with consistent testing and assessments of products. Slip resistance is complex, with many variable factors to consider. Once the results are obtained, they are compared to the requirements and a category of protection is established.

The corresponding markings are:

** SRA – The sample is tested against a ceramic tile covered with sodium lauryl sulphate
** SRB – The sample is tested against steel covered with glycerol
** SRC – The sample has been tested against both of the above conditions

Penetration resistance As an additional category of protection an insert can be placed in the bottom of the shoe to protect the wearer against sharp objects penetrating through the outsole and injuring the foot. In the construction industry, for example, building sites may be littered with sharp nails or screws, which could prove to be a potential hazard.

Penetration resistance is performed on safety footwear with steel inserts or non-metallic inserts. The upper is removed from the sample and the outsole is tested. On each shoe of the pair (left and right), four areas of the outsole are tested: inside forepart, outside forepart, centre area, and the heel area. The test is repeated across the size range of the footwear. The outsole is tested by forcing a test nail with a blunt tip through the outsole and inserting it until a minimum force of 1,100 newtons is reached on non-metallic inserts or exceeded on metallic inserts. Additionally, the tip of the nail should not be visible through non-metallic inserts at 1,100 newtons - only then does it pass the test. The test nail is a calibrated piece of equipment with a minimum hardness of 60 HRC and a diameter of 4.5mm. The shoe must also conform to design requirements such as size (to ensure it covers the bottom area of the foot) and flexing (ensuring continued durability and corrosion) to stop the material degrading over time. The tongue label will have the letter ‘P’ or ‘S3’ stated on it. This informs the customer that the necessary category of protection has been met.

Whole shoe testing


Antistatic test Antistatic is an additional category of protection denoted by the letter ‘A’ or S1, S2 or S3 on the tongue label. Antistatic footwear allows the dissipation of electrostatic charge through it and avoids the risk of spark ignition when dealing with flammable substances, vapours or explosives. Because atmospheric conditions can affect the electrostatic build-up within the footwear, the shoe is conditioned in very moist (85% relative humidity) and very dry (30% relative humidity) atmospheres before testing, to ensure the boots work in variable conditions. Then the resistance is checked and compared to the requirements of 100KΩ to 1,000 MΩ. Anything above or below this will fail the test.

The equipment used to measure the electrical resistance should be capable of measuring an accuracy of 2.5% while applying a voltage of 100 V DC (voltage of direct current). The sample is rested on a copper contact base plate, which houses the external electrode. The shoe is filled with a total mass of 4 kg of stainless steel balls/ball bearings (which conform to ISO 3290). The internal electrode is rested in the forepart area, as forward as possible, nestled within the steel balls. (See picture for demonstration of set-up.) The test voltage of 100 V DC is applied between the copper plate and the steel balls for one minute before recording the electrical resistance of the footwear sample.

Testing against the existing standards for the EU involves assessment not only of the protective features but also of durability and user comfort. Most of the main components must be tested and the majority of the tests are performed three times to cover the size range of the product. The number of samples required to complete the testing varies depending on the exact nature of the product, but typically nine pairs is sufficient (three pairs of the smallest size in the size range, three pairs of the largest size and three pairs of a middle size).

Safety footwear specimens should be re-tested for classification for any of the following changes: change in materials, cap manufacturer, design of toecap, construction method used to make the footwear, upper or insole material thickness greater than 25%, soling system, hardness in the outsole and shape of last used in the manufacturing of the footwear.

For the European and North American (the USA and Canada) markets, suppliers must meet legal obligations required of them to place only safe products on the market. Other regions of the world appear to be following suit.



SOURCE:

https://www.hsimagazine.com/article/top-five-footwear-tests-1120
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The powered air respirator market is ripe for innovation and technological enhancements.Read More
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Safety Walks and Safety Talks

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A behaviour based approach to hand and arm protection
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The Real Cost of Sweaty Gloves

11/26/2017 12:47 PM

It's Not Just About Comfort
Over time, health risks for workers from uncomfortable single-use gloves can greatly decrease productivity, encourage more frequent workplace safety violations, and increase the risk of significant medical issues.
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