TriangleTube WASTEFLOW Installation & Maintenance Manual

Subsurface irrigation systems as applied to on-site effluent disposal of wastewater

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WASTEFLOW®

Subsurface Irrigation Systems as Applied 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

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Page 1 WASTEFLOW® Subsurface Irrigation Systems as Applied 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: Table Of Contents
CONTENTS Diagram 1A: Typical large system Diagram 1B: Disposal field Diagram 1C: Typical small system 1. INTRODUCTION 2. SYSTEM COMPONENTS Position vacuum breakers Wasteflow™ Lines 2, 3 Mounds Pressure regulator bypass Vacuum breakers Pressure regulators 4. SYSTEM INSTALLATION Filters Installation guidelines...
Page 3: Introduction
WASTEFLOW ™ Lines (or emitter lines) These lines carry the water into the area to be irrigated. WASTEFLOW™ lines are connected to the submain and flush lines usually with grommet - barbed fittings. (In small systems < 1500 l/hr capacity through the system, the actual Wasteflow tube can be used for submain &...
Page 4: Vacuum Breakers
Rigid PVC is usually employed for the larger installations. Poly tubing is easier to work with because it is flexible. In small systems with less than 1500 l/hr flow capacity the actual Wasteflow tube can be used as the submain. This can simplify connections and installation.
Page 5: Design Parameters
BOD and TSS values of less than 20 mg/l is produced in the pre treatment system. Table 1. Minimum surface area required to dispose of 1000 litres per day Soil absorption rates Design Total Wasteflow Wasteflow Soil Est.Soil Hydraulic...
Page 6: Soil Layers And Types
100 kPa. These flows can be obtained from Table 2 below. c) In the case that the terain is sloping use pressure compensating PC Wasteflow, in which case output of each driper will remain constant for pressures from 50 - 400 kPa.
Page 7: Distance From Edge
Table 3.1 Commonly used spacing Water application rate using 4.0 l/hr Classic dripper mm/m2/hr Dripper Dripline Lateral Spacing (cm) Spacing cm 22.2 16.7 13.3 *6.7 *11.1 Table 3.2 Commonly used spacing Water application rate using 2.4 l/hr PC dripper mm/m2/hr Dripper Dripline Lateral Spacing (cm) Spacing cm...
Page 8: High Points And Siphoning
The submain manifold with tees can be preassembled and used to mark the beginning and end of WASTEFLOW ™ , etc. Do not start opening trenches until...
Page 9: Drip Line Storage
Then install the main lines. These should be buried at a depth of 30 to 45 cm, well below the depth of the WASTEFLOW ™ lines (10 to 30 cm). If there is a risk of freezing bury mainlines below the frost line. At all times avoid getting debris into the system.
Page 10: System Maintenance
Table 4. Subsurface drip installation methods. INSERTION ADVANTAGES DISADVANTAGES METHOD a) Hand Trenching* •Handles severe slopes and confined areas •Slow •Uniform depth •Labor intensive Disrupts existing turf and ground •Back fill required. b) Oscillating or Vibrating • Fast in small to medium installations. •Depth has to be monitored closely.
Page 11: Before Digging
Appendix 1: Hydraulic Details "Classic" Drip Line - Pressure vs Emitter flow rates . Pressure kPa Flow LPH 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...
Page 12: Warranty
WARRANTY Product Warranty Geoflow products as supplied by Triangle Filtration, are warranted to be free from defects in material and workmanship for a period of 10 years when installed below ground, and a period of 2 years when installed above ground from the date of initial installation.