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WASTEFLOW

®

Subsurface Irrigation Systems as Applied to On-Site

Effluent Disposal of Wastewater

Design, Installation & Maintenance Manual

TRIANGLE WATERQUIP

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3

Hinkler Road, Mordialloc, Vic. 3195 Australia

Ph (03) 9580 2122, Fax (03) 9580 3131

www.trianglewaterquip.com.au

[email protected]

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Summary of Contents for WASTEFLOW

Page 1: ...pplied to On Site Effluent Disposal of Wastewater Design Installation Maintenance Manual TRIANGLE WATERQUIP 13 Hinkler Road Mordialloc Vic 3195 Australia Ph 03 9580 2122 Fax 03 9580 3131 www trianglewaterquip com au sales trianglewaterquip com au ...

Page 2: ...DESIGN PARAMETERS 4 6 SYSTEM MAINTENANCE 9 Select area 4 Monitor the system 9 Table 1 Minimum surface area Soil layers and types Disposal field design 4 5 5 Before digging 10 Flow pressure calculations 5 APPENDIX 1 Hydraulic Curves 10 Table 2 Emitter flow rates Table 3 Water application rate 5 6 Distance from edge 6 WARRANTY 11 Wind 6 High points and siphoning Slopes 7 7 Excessive level difference...

Page 3: ...nimises deep percolation Increases consumption of nitrates by the plant material Invisible and vandal proof installations Durable systems with no moving parts for a long life Non intrusive It allows use of the space while in operation Easily automated Subsurface drip irrigation systems have been used in both agriculture and landscaping for over 20 years Subsurface drip is becoming more popular eve...

Page 4: ...ning or fully automatic filter system would be best suited Media screen or disc filters can be used depending on water quality Refer to Triangle Filtration for advice A secondary or back up check filter should be installed as far down the system s as practical This is an insurance policy in case a break occurs in the main line or solids coagulate form on the pipe walls and strip off in larger form...

Page 5: ...ses several times per day near the soil surface where the soil dries the quickest this would keep the soil absorption rate at the highest value and minimize the potential of water surfacing on poor soil conditions As stated previously this design criteria will under load the system at all times except when the soil is at or near saturation from rainfall If designing for an efficient irrigation sys...

Page 6: ...select filters and valves g Do a complete list of materials and specify all the requirements for the installation h For more precise calculations on slopes use the curves given in Appendix 1 at the end of this manual A system will usually have emitter lines laterals placed on 60 cm centers with a 60 cm emitter spacing such that each emitter supplies a 0 36 m2 area These lines are best placed at de...

Page 7: ...operating pressure 100 kPa 15 psi j If a 750 litre dosing volume were used for an average flow of 3000 litres per day about 4 irrigation cycles per day would be made lasting about 6 8 minutes each k In many cases it may be more convenient to have two 2 or more smaller irrigation stations instead of one single large one This would be done by dividing the total disposal field into the number of sect...

Page 8: ... uniformity of the system and helps to avoid siphoning dirt into the system when there is a broken line Two tees can be used Positioning of vacuum breaker flush valves Ensure that these valves are at a point high enough to prevent the system from draining through these valves when the water pressure is switched off Mounds Concentrate drip lines at the top of the mounds with wider spacing towards t...

Page 9: ...ubing injector tool which can be attached to the 21 4 tool bar of most tractors is available from GEOFLOW A diagram of this is available on request Cover all open ends including dripline ends to avoid getting debris into the system Leave enough length at the beginning and end for connections It is convenient to finish the last foot of the trench by hand This gives more room for connections Beware ...

Page 10: ...aulic conductivity problems Please consult with your soil scientist or professional engineer before making the installation technique decision The State of Georgia specifically does not accept the practice of using a conventional back hoe 6 SYSTEM MAINTENANCE Monitor the system The best way to assure years of trouble free life from your system is to continuously monitor the system and to automate ...

Page 11: ...1 Hydraulic Details Classic Drip Line Pressure vs Emitter flow rates Pressure kPa Flow LPH 80 3 7 100 4 0 150 5 0 200 5 9 16 mm 2 4 l hr Wasteflow PC Pressure Loss Tables Internal Diameter mm 14 mm Maximum Recommended Run Length m vs Pressure kPa Inlet Pressure kPa 0 6 m Dripper Spacing 100 71 150 112 200 136 250 154 300 170 350 183 400 194 Based on minimum pressure of 80 kPa All run lengths calcu...

Page 12: ...y limited to providing the original purchaser with a replacement for any defective product or part and does not include the cost of installation of the replacement and in no case shall Geoflow be liable for any special incidental or consequential damages Warranty Claims All claims must be made in writing to Triangle Filtration at the address below within 30 days after the defect is discovered Thes...

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