Swp for jacking of articulated dumper truck
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This document provides a safe work procedure for jacking up an articulated dump truck. It outlines potential hazards, required personal protective equipment, necessary tools and equipment, and step-by-step instructions. The procedure involves preparing the work area, positioning hydraulic jacks and wooden blocks for support, raising the vehicle, installing support stands, and lowering the jacks once maintenance is complete. Workers are instructed to stand clear of the vehicle during jacking and use appropriately rated jacks and stands to safely lift and support the heavy machinery.
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Swp for jacking of articulated dumper truck
- 1. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:1 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Work Description : Jacking of articulated dumper truck Location : Various sites Insert Image If Applicable; See below diagrams Potential Hazards: Topplingof vehicledue to unstable groundandcrushinghazard PersonalProtective Equipment (PPE) Required (Checkthe box for required PPE): Work Gloves/ Welding Gloves Respirator Eye Protection Face Protection/ Welding Mask Safety Boot Safety Helmet Hearing Protection Safety Harness/Belt Protective Clothing Safety Vest/Life Jacket √ √ √ √ Machine / Equipment / Work Tools: 1. Hydraulic jack 2. Wooden block 3. Support stand 4. Air compressor machine Safe Work Procedure Checklist: 1. PRE-Operation: Task (e.g. Drawings, instructions, specifications, hazards etc.) is clearly understood. Plan an escape route in case the machinery topple down. Inspect work area and ensure the machinery is parked on stable and level ground. Provision of steel plate when on site.
- 2. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:2 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Move the parking brake on ENGAGE position. Ensure the dump body is empty before the machine is jacked up. Ensure the dump body has been lowered down.
- 3. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:3 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Stop the engine, remove the key and keep it. Perform Lock Out Tag Out (LOTO) and ensure machines have been isolated from power sources before jacking up the machinery. Inspect hydraulic jack. Use correct hydraulic jack that can support the weight of the machine. Ensure there’s no leaking and in working condition.
- 4. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:4 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Use 40Ton hydraulic jack (or above) for dump truck model 730 Use 50Ton hydraulic jack (or above) for dump truck model 740 and model 745
- 5. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:5 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Inspect wooden blocks and ensure there’s no sign of severe damage. Place wooden blocks or wheel chocks to prevent vehicle from rolling.
- 6. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:6 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Due to height limitation of some hydraulic jacks, wooden block may be place in between the firm ground and hydraulic jack. Inspect wooden blocks and ensure the wooden block’s surface is not slippery/oily and ensure there’s no sign of termite attack/cracked/ decayed/ split/rot or any sign of severe damage on the timber which may pose risk of failure while jacking up the dumper truck. Only use wooden block that is no less then 500mm in length and 250mm in width as support. Minimumum 500mm Minimum 250mm
- 7. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:7 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Set hydraulic jack and wooden block on firm level ground. If 2 wooden blocks are needed to support the hydraulic jack, ensure the lower wooden block is bigger or as of the same size with the upper wooden block and is aligned straight upright.
- 8. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:8 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) 2. Operation: Conduct pre-operational checks on the air compressor. Hook up air hose from the air compressor to the hydraulic jack. Press lever/switch to raise the hydraulic jack.
- 9. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:9 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Do not stand beside the machinery while jacking up the machinery. Stand 2 metres away at the front or back of the machinery to escape in case of the machinery topple down. Inspect the support stand and look out for sign of severe corrosion, cracked or any sign of severe damage.
- 10. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:10 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Ensure the correct stand is use to withstand the weight of the dumper truck.
- 11. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:11 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) Inspect wooden blocks and ensure the wooden block’s surface is not slippery/oily and ensure there’s no sign of termite attack/cracked/ decayed/ split/rot or any sign of severe damage on the timber which may pose risk of failure while jacking up the dumper truck. Only use wooden block that is no less then 500mm in length and 250mm in width as support. Set the support stand on top of the wooden block(s) and (if applicable) place wooden piece or block on top of the support stand to protect undercarriage and to prevent it from slipping or damage. Besides the main support stand below the front axle/ frame or rear axle/ frame, extra support stand may be place if needed to ensure stability. Once all supports are in place, lower the hydraulic jack until the machine is firmly supported by the support stands and wooden blocks. Ensure the machine is stable before proceeding to do any maintenance and servicing work on the machine.
- 12. SAFE WORK PROCEDURE Issue Date : 15th Feb 2016 Last Reviewed : 13th Jan 2016 Next Reviewed Date : 15th Aug 2017 Page:12 of 12 Authorised By: Ng Say Kok & Ng Say Kiat (General Managers) 3. POST-Operation: Inspect work area and ensure no one is working on top and below the machinery. Set hydraulic jack and wooden block on firm level ground. If 2 wooden blocks are needed to support the hydraulic jack, ensure the lower wooden block is bigger or as of the same size with the upper wooden block and is aligned straight upright. Hook up air hose to the hydraulic jack. Do not stand beside the machinery while jacking up the machinery. Stand 2 metres away at the front or back of the machinery to escape in case of the machinery topple down. Press lever/switch to raise the hydraulic jack. Remove away all the supports (support stands and wooden blocks). Press lever/switch to lower down the hydraulic jack. Remove LOTO tag. Remove wheel chocks from vehicle.