Types of drilling methods for installing a sand spear- new
Learn the difference in the types of sand spears that you can install, allowing you to make the best informed decision Sand Screens to suit your budget and Your Project From the Budget Sand spear to the Highest quality Stainless Steel Sand Spears that will Give you the maximum yield your Bore will deliver These Sand Spears have been designed around the Person who has the need for a small bore but does not have a budget like the mineral exploratory have Dear Friend, By Putting in a Spear Point in the right ground conditions is not that difficult for you to do yourself with some simple backyard tools or if you are so inclined take the simple road and engage a driller who has had experience in putting these small bores down quickly. These screens are designed for ground conditions where water can be extracted from a depth of approximately 1.5 to 3.0M in sandy conditions. SCA: Is the only Manufacturer and Supplier of such a complete range of Sand Spears Please Note that some Country Laws state that you can only drill a hole to below 3M or a drilling permit is needed, so if necessary please check your local rules before drilling as every state and countries have different rules. Sand Spears are used for several reasons, there main use is to extract clear clean water from aquifers in sand formations. Uses are: Clean water when camping on the beach- Temporary supply Holiday House near the beach - Permanent supply Watering the garden Water supply when water bans are in place. Water supply for temporary work Sites In our FAQ presentation you will have all your questions answered You will find out things like What is a Sand spear point bore, How does a Sandspears work, Can I install this myself,
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Types of drilling methods for installing a sand spear- new
- 2. Drilling Methods for Installation of a Sand Spear overview
- 3. Basically 4 Types Plus one more Method Type
- 4. 1 - Bail Method Type
- 5. 2 - Drive Method Type
- 6. 3 – Wash In Method Type
- 7. 4 - Auger Method Type
- 8. Drilling a Sand Spear View of typical Soil Formation
- 9. Method - Auger Use a Machine Auger (Not Highly recommended)
- 10. Method - Auger Casing Must follow behind Auger
- 11. Method - Auger Issues – Sand and Soil will collapse without support
- 12. Method - Auger Issues – Sand may not stay on or in the auger to extract
- 13. Wash in Method Or Jetting Installation
- 14. The Sand Spear has a high pressure water pumped from the surface through the spear, pushing the sand out of the way, allowing the Sandspear to penetrate the sand, Wash in Method or Jetting
- 15. without the water the sand will stop the spear from entering any further. Just by pushing with your hands. Wash in Method or Jetting
- 16. Once Installed with this method, the spear is difficult to be removed and sometimes cannot be removed due to the sand locking it Wash in Method or Jetting
- 17. This method is highly recommended For Ease of Installation Little force is needed Suits PVC Wedge wire screen Wash in Method or Jetting
- 18. Issues - Water pressure source is needed. Sand spear is more expensive. Wash in Method or Jetting
- 19. Wash in Method - Casing Or Jetting Installation
- 20. Wash in Method - Casing Venturi with High pressure water is used to suck sand to surface. As sand is removed, casing is pushed down, until reaching required depth
- 21. Wash in Method - Casing The bottom of the Pvc string is slotted. When at depth, cap is put into place
- 22. Wash in Method - Casing Screen and rising main is inserted.
- 23. Bail In Method Used in Conjunction with Casing
- 24. Bail In Method Once the top soil is removed and casing placed the bailing tool is dropped or pushed into the sand
- 25. Bail In Method Sand enters the inside of the tube, as the bail is lifted the sand is trapped by the non return valve.
- 26. Bail In Method Casing is then pushed into the ground further Bail pulled to the surface and emptied,
- 27. Bail In Method Good for PVC Sandspears Use Flat bottom screens, cheaper Easier to remove later
- 28. Bail In Method Issues- Can be strenuous if a tripod is not used. Must make or buy Bailing tool, not a general buy off the shelf tool
- 29. Drive in Method Or Push In
- 30. Drive in Method Sandspear is driven into the ground
- 31. Drive in Method The Top section is augured and cased, the Sandspear is then driven into the aquifer by force. This can be a tool like a fence post driver. Until the spear is at the correct depth
- 32. Drive in Method Issues – Pvc cannot be used as cannot take the force and will smash. Hard work necessary if you do not have the mechanical driver. Some aquifers will not allow the spear to be driven as the ground conditions are to solid
- 33. Drive in Method Good For Stainless Sandspears With mechanical tools makes it easy No external pump needed If ground condition is soft then easy installation
- 35. Suits all the Materials Why? Very Little force is needed Suits harder formations of sand Few accessories needed
- 37. Suit to purpose Decide on drilling method Screen to match Gravel Check on Council regulations Choice the best position Do your homework first When purchasing or Install your Sand Spear…
- 38. Mud Soil Driving of PVC Screens Deeper than 3M Air leaks Screen above the Aquifer And try to avoid…
- 39. Thank You Thank you for taking the time to look at the information we have created for you. We hope this will be of assistance and a benefit to you with the installation of your sand spear system If you have any more questions Please feel free to contact us
- 40. Thank You Also look for detailed presentations on the different types of Sandspear installation methods.
- 41. “At Your Service” Visit our website at sandspears.com.au or call us at 0438 746 894 Info@sandspears.com.au
- 43. Sand Spears Solving your Sandspear,Installationand Pumping Challenges with Trust and Integrity