Fabtech Geomembrane Liners and Covers
Transcription
Fabtech Geomembrane Liners and Covers
Water Security Technology at the Shows Fabtech Geomembrane Liners & Covers Copyright © 2014 Fabtech Australia Pty Ltd FABTECH AUSTRALIA Head office in South Australia Primary factory located in South Australia Australian owned company 51 Permanent staff employed in SA, and 63 employed across remainder of Australia Recognised by our customers for leading in safety, quality, and delivering environmental containment solutions In-house Engineering team with over 25 years of expertise in geomembrane design and construction Copyright © 2014 Fabtech Australia Pty Ltd 2 FABTECH AUSTRALIA – SERVICES Material Supply Material Selection Factory Fabrication Self-Install Liners Design and Construction Inspection, Maintenance and Repairs Asset Life Assessment Quality Assurance Turn-key Management Copyright © 2014 Fabtech Australia Pty Ltd 3 LINED DAMS DAM SEEPAGE LOSSES Based on a 20ML dam with the following assumptions: • Silty clay – Poor untreated clay • Clay – Semi-engineered clay • HDPE – lined ML\year • 20ML • 3m deep • 1.5m pressure head Seepage loss from semiengineered clay dam is 1.5 x the dam volume per annum Copyright 2014 Fabtech Australia Copyright ©© 2014 Fabtech Australia PtyPty LtdLtd 4 4 LINED & COVERED DAMS DAM EVAPORATION LOSSES • • • • 20ML 3m deep 1.5m pressure head SA climatic profile ML\year Based on a 20ML dam with the following assumptions: Evaporation loss is 1 x dam volume per annum Copyright © 2014 Fabtech Australia Copyright © 2014 Fabtech Australia Pty Pty Ltd Ltd 5 5 LINED & COVERED DAMS – COST COMPARISON CAPITAL COST COMPARISON Storage Facility Domestic Tank Clay Lined Basin Geomembrane Lined Dam Geomembrane Lined & Covered Dam Industrial Concrete/Steel Tank Copyright © 2014 Fabtech Australia Copyright © 2014 Fabtech Australia PtyPty LtdLtd Risk of Water Loss No Risk Seepage Evaporation Evaporation No Risk No Risk Cost High Water Retained 100% Very Low 25% Low Medium High 50% 100% 100% 6 6 SELF-INSTALL LINERS SELF INSTALL LINERS - BENEFITS • Cost effective • Factory fabricated to fit your lagoon in Fabtech’s South Australian factory • No welding required, simply unfold and drop into the dam • No mobilisation or labour costs • Ideal for storages up to 3,000m2 in size • Suitable for temporary or longer term applications • Fabtech offers a 12 month workmanship warranty • Lead time is less than 2 weeks from receipt of an order • Fabtech can specify material selection based on chemical information provided by customer • All Fabtech materials have been sourced from leading international manufacturers • Fabtech can deliver at cost +15%, customer can arrange collection, or pick up from factory Copyright ©© 2014 Fabtech Australia PtyPty LtdLtd Copyright 2014 Fabtech Australia 7 7 SELF INSTALL LINERS - MATERIALS • Flexible Polypropylene (FPP) • One of the highest quality waterproofing membranes available • Provides flexibility, UV and tear resistance • Fabtech FPP materials come with a 5 year manufacturers pro rata warranty • Expected life over 10 years • Ideal for lining potable water storages • Medium Density Polyethylene (MDPE) • Similar chemical resistance to High Density Polyethylene (HDPE) • MDPE provides higher flexibility than HDPE • Life expectancy up to 25 years in full UV assuming water content is compatible • Manufacturer’s warranty available upon application and approval • 300um Polyethylene (PE) • Inexpensive • Ideal for temporary water storages • Can be susceptible to tearing and UV damage • Life expectancy 2 – 5 years, however with limited UV exposure may last longer • No manufacturer’s warranty Copyright © 2014 Fabtech Australia PtyPty LtdLtd Copyright © 2014 Fabtech Australia 8 8 SELF-INSTALL LINERS - PRICING Fabtech is offering a discount to Water Securities Keith District event attendees for orders placed before 11th November 2014. Material Type Roll Width Standard Factory Direct Price (m2) Water Securities Discount * 200um PE 4m $1.50 ex GST $1.35 ex GST 300um PE 10m $2.34 ex GST $2.11 ex GST 0.5mm FPP 8m $6.58 ex GST $5.92 ex GST 0.75mm FPP 8m $9.20 ex GST $8.28 ex GST 1.0mm FPP 6m $11.00 ex GST $9.90 ex GST 0.75mm MDPE 3.76m $10.20 ex GST $9.18 ex GST 1.0mm MDPE 3.76m $11.89 ex GST $10.70 ex GST UM Polyethylene Flexible Polypropylene Medium Density Polyethylene REQUIREMENTS • • • • • Anchor trench dug around perimeter of dam to secure the liner The subgrade to be smooth and free of excessive water, rocks, stones, sticks and vegetation Forklift or similar form of lifting equipment required to unload and place in the dam 2 – 7 people required to assist in unfolding and installing the liner dependant on size For larger liners a telehandler or tractor may be useful to assist unrolling material Copyright ©© 2014 Fabtech Australia PtyPty LtdLtd Copyright 2014 Fabtech Australia 9 9 FLOATING COVERS FLOATING COVERS - BENEFITS • Evaporation control JB Swift Australia King Island WWTP Liner & Gas Cover • Blocks sunlight preventing algae • Protects water from bird droppings, pollens, air born and animal borne particulates • Contain dairy effluent and other agricultural wastes • Acts as a catchment area, water is diverted to a drainage system and stored in the dam Barwon Water Alvie Liner & Covered Potable Water Storage FLOATING COVERS - APPLICATIONS • Irrigation • Potable water • Capture methane gas • Odour control • Wastewater storage Copyright © 2014 Fabtech Australia Pty Ltd 10 FLOATING COVERS – FABTECH MATERIALS • Vapouruard • Reflective upper surface to reduce heat absorption • Black underside to minimise light penetration • Drainage holes allow rain water harvesting • Suitable for applications 40ML / 12,000m2 • Hypalon (CSPE) • Highly resistant to weather conditions such as freezing and thawing, UV, heat etc • Highly resistant to organic and inorganic chemicals • White or light attractive colours • Contains strength while maintaining flexibility • Reinforced Polypropylene (RPP) • High tearing, puncture and stress cracking resistance • Suitable for potable water or industrial water containment applications • Designed for long term use • High chemical resistance to UV, ozone, and oxidation • Enviroliner 6040 • Manufacturer’s warranty up to 25 years upon application and approval • Compliant with Australian water standard AS/NZS 4020 for compatibility with drinking water • Fish safe for ponds over 1000 litres Copyright © 2014 Fabtech Australia Pty Ltd 11 11 RAIN WATER HARVESTING Increases catchment area and reduces seepage losses Same technology as used for dam liners Combines with existing dam lining and cover technology Lined catchment area Earthen dam wall Floating cover Sump & pipe into dam Geomembrane liner Copyright © 2014 Fabtech Australia PtyPty LtdLtd Copyright © 2014 Fabtech Australia 12 12 RAIN WATER HARVESTING Catchment area Copyright © 2014 Fabtech Australia Pty Ltd Drainage Sump Copyright © 2014 Fabtech Australia Pty Ltd Fill pipe 13 13 HANNEMANN FARMS RAINWATER HARVEST • 1,700ha of continual cropping county located on the Eyre Peninsula, South Australia • The farm receives an average of 400millilitres p/annum rainfall with no connection to SA Water’s mains supply • Previously they were carting water for their stock from a standpipe in Cleve which was costly and time consuming • Installed a 4,100m2 lined catchment area on a strategic site, rain is collected and stored in a lined 1.3ml dam (1,200m2 x 3m deep) • A floating cover was installed acting as a second catchment area to increase rainwater harvest • Without the cover, if the dam is full it would lose more than 2m/70% volume over 12 months • For every 1millilitre of rain, the system collects 1L of water with the potential to collect 1.2ml of water over 12 months Copyright © 2014 Fabtech Australia Pty Ltd 14 14 • The water is gravity fed to troughs in each paddock with no pumps required due to the strategic location of the dam • The Hannemann Farm dam and reticulation system is in use, and supplied more than 100,000L for crop spraying during the first season after completion. • The average rainfall in the area is 200mm – 300mm. Copyright © 2014 Fabtech Australia Pty Ltd 15 15 INSTALLED LINER COSTS • • • • • Geomembranes sourced overseas in USD Volatile exchange rates and resin prices Application geometry and access influence costs Based on 0.98 USD to the AUD Cost efficiencies with scale Copyright © 2014 Fabtech Australia Pty Ltd 16 16 INSTALLED COVER COSTS • • • • • • • • Developed in the 1950’s in USA Technology has evolved to using alternative materials Cover design is mostly “defined sump” Up to 200ML volume is not untypical (Barwon Water) Largest cover in southern hemisphere is Potts Hill Reservoir 360,000m2 (installed by Fabtech) Design life 20 years Costs are size and complexity dependant 17 Copyright © 2014 Fabtech Australia Pty Ltd Design approach has a significant influence on costs CONTACT US Chloe Celani Customer Support Officer Direct: 08 8349 2340 Office: 1300 664 776 Email: ccelani@fabtech.com.au Shelley Smith Business Development Executive Direct: 08 8349 2310 Office: 1300 664 776 Mobile: 0401 525 609 Email: ssmith@fabtech.com.au South Australia 53 South Terrace, Wingfield SA 5013 Western Australia 44/2 Sustainable Avenue, Bibra Lake WA 6163 Queensland Suite 1B, Terrace 3, 249 Coronation Drive, Milton 4064 Phone: 1300 664 776 Graham Fairhead Managing Director Direct: 08 8349 2321 Office: 1300 664 776 Mobile: 0408 081 863 Email: gfairhead@fabtech.com.au Copyright © 2014 Fabtech Australia Pty Ltd Email: reception@fabtech.com.au Website: www.fabtech.com.au 18