Pallets

screw bolts

Australian racking industry moving to screw bolts

Impact damage to pallet racking systems is a regular occurrence given the demands placed on forklift drivers for fast product throughput, not to mention the rare mishap of driver negligence.   Rack floor fixings are typically mechanical and chemset types, of which mechanical expanding sleeve anchors would be the most common. Continuous impact at the base of the racking upright causes loosening of mechanical anchors as the expansion mechanism of the fixing only covers a small amount of the embedment in the concrete. This continuous movement can also contribute to further damage & cracking of the concrete which leads to expensive concrete repair and potentially, a locally compromised rack structure.   The screw-bolt has become the most revolutionary mechanical fixing to be introduced in recent times and is showing increased acceptance in the Australian construction industry with a notable shift away from expansion anchors. The Blue-tip Screw Bolt is superior to sleeve anchors in both uplift and shear for a given anchor size. The threads cut into the concrete providing more grip which results in less chance of slip under a tensile load. The anchor has maximum shear area rather than reduced to fit inside the sleeve, resulting in higher shear strength. Australia has a wide variety of cyclone categories and with installations of engineered outdoor rack structures, the blue tip screw bolt has become the fixing of choice to accommodate the loads modelled in these extreme cyclone applications. The uptake of use in indoor applications is also increasing dramatically.   Anyone wanting more info can contact Sean Prosser – Sales Manager at APC Engineered Storage Solutions sean@apcgroup.com.au +61413753397 www.apcgroup.com.au   Read more: Pallet Racking Safety Read more: Pallet Racking Beam Safety Clips Read more: What to do with sub-standard pallets

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Sub-standard pallets

What to do with sub-standard wooden pallets

Over the years, we have noticed a rapid decline in the overall quality of pallets in many of the industries to whom we have supplied mobile racking systems. This is probably inevitable given that the pallets are ultimately exported with the product, and as such are considered a disposable item that needs have as little cost attached as possible.   The result is of course that the pallets are unable to withstand damage, or even (often) successfully support the load, and frequently deflect excessively and eventually break, causing product damage and worse.   At Barpro we are always keen to assist our customers with solutions to real challenges, and years ago developed our pallet support bars to help counter this problem. This bar spans between the load beams from front to back providing additional support to the centre line of the pallet. We have traditionally recommended and fitted one for each pallet.   However, it seems that pallet quality has deteriorated further, and the other day at a major Western Cape pack-house we found that the pallets, although supported in the centre, are still deflecting close to collapse on the outer edges.                         Accordingly we have developed a full pallet-size weld-mesh grid in an attempt to counter this situation, and we tried a prototype out at this fruit exporter recently. We found that the grid definitely reinforces the pallet – and may even prevent it from completely breaking – but it did not fully prevent it from deflecting.                                 We are now working on a further development whereby the grid will be fitted with additional strengthening struts to make them more rigid under load.   Anyone who has experience of this issue, and has any useful ideas in this connection, contact Alan or James (info@barpro.co.za) – we’d be delighted to have feedback. Read more – Mesh grid special – buy now before the steel price increase! Read more – Not all pallets can be safely stored on pallet racking Read more – How do I keep broken pallets and other items from falling in between the mobile base units?

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Etlin International gives us an insight in to their recent maintenance project in Durban

Recent Etlin International maintenance project ROOM A – CAPACITY – 4000 PALLETS This freezer was commissioned July 1997 – 20 years ago with second hand racking. The maintenance cost on this freezer between 2015 – 2016 was R1.3m including spares from Barpro. Some of the work carried out during this shutdown were replacement of drive wheels, guide wheels, gear rings, pinions, installation of new p/e trip beam covers and one guide wheel unit. Repairs and service of electric control boxes were also carried out.                                   In 2016 we had to replace portions of the insulated roof due to water ingress (moisture/condensation build up due to the increased humidity in the KZN region), together with the roof work it was decided to re-do all the insulation work on all the piping. The time frame allocated for Room A was 14 days but this was achieved in 9 days. Room was brought down to ambient temperature in 3 days, maintenance commenced on the 23/01/2017 and was completed on the 01/02/2017. ROOM C – CAPACITY – 7000 PALLETS Room was commissioned December 2006 – 10 years ago. The maintenance cost of the freezer during 2016 was approximately R400 000.00 including spares from Barpro. Some of the work carried out were replacing damaged push buttons, replaced side members, drive wheels, removed and replaced bearing and gear rings for 10 drive wheels, motor pinions, guide wheel unit, gearbox motor, replaced p/e trip beam covers, serviced all motors & gearboxes, replaced trip beams. Repairs and service of electric control boxes were also carried out. Etlin International Storax mobile racking side member                                 The time frame allocated for Room C was 21 days but this was achieved in 15 days. Room was brought down to ambient temperature in 3 days & maintenance commenced on the 28/12/2016 and was completed on the 17/01/2017.   Planning: Planning was done in out of season with Etlin diverting containers to outside cold stores. We had limited amount of time due to the low volume during this period and had to ensure the work was executed accurately full on time. In our business we operate 24hrs a day 7 days a week hence there were no chances to be taken.                       A thorough deep clean was conducted on both freezers where we had to bring in specialised cleaning equipment and materials to ensure that we would meet the target date for completion, our cleaning team worked 24 hrs. All mobile racks and rails were washed, scrubbed and cleaned by hand. The floor was deep cleaned continuously using a specialised cleaning machine to get the dirt and grime out and have the floor looking new again. All paneling was cleaned and washed with other equipment.                                 A company decision was taken to perform this maintenance program every 5 years. Advantages of running such a huge maintenance program: Extending the life of the rooms by a minimum of 10 years. Productivity has increased due to a more efficient functionality. It has also ensured that Etlin is competitive in the market by guaranteeing its equipment is maintained regularly to prevent any downtime or unexpected breakdowns that could occur. Has assisted us in achieving high audit results in that site is maintained to above required standards. Accreditations under our belt are HACCP ; FSA ; Pick’n Pay ; YUM Has ensured safety of staff by maintaining equipment and racks this results in a safer work environment. Increased customer confidence is due to having their stock in a reliable cold store with formal preventative maintenance programs because we know time is money! The deep cleaning of the rooms has helped in getting rid of bacterial growth and also ensuring product is safe and meeting with legal requirements also our own Quality Management Program.   Thank You to Barpro S.A To carry out such a huge maintenance shutdown we needed to ensure that every box was ticked and double checked. Barpro had also assisted in many ways due to manufacturers for equipment had shutdown during this period we had to work closely with them to ensure the required spares were ordered well in advance and delivered full on time for the shutdown period. Barpro were also on site to assist with the more complex work and to provide assistance where necessary, a huge thank you to the team effort at Barpro and for going the extra mile for Etlin. Christopher Nulliah – Logistics Manager Etlin International, Durban                

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