Available Literature
The following literature, written by Orenco Systems' engineers, is available for your use. To receive a copy of any of the following items, give us a call at SFI in Ontario, Canada at 519-743-1780 or fax your request on corporate letterhead to 519-743-1781.
Sand Filter Systems
Intermittent Sand Filter Packet * - Sand Filters and Shallow Drainfields
By Harold L. Ball, P.E.
Presented at the 1st British Columbia Conference on Small Wastewater Systems, Richmond, B.C., Jan 1994.
Describes "Oregon-style" intermittent sand filters and the simple drainfields that can follow them.
General Information
Pressure Disposal Trench Details
Guidelines for Intermittent Sand Filters
Sand Filter Schematics
Drawings 2018PGL,
2018P,2018G,1820Pd,
1820Gd, 1036P,1036G,
1036Pd, 1036Gd, 1010P,
1010G, 1010Gd, 1010Pd
Sand filter pump tank: Drawing SFPT
Low loading rate gradation curve
Loading rate of 4 gpd/sq.ft. gradation curve
Pea gravel gradation curve
* Cold weather configurations also available
Recirculating Sand Filter Packet - Design Criteria for Recirculating Sand Filters
By Terry. R. Bounds, P.E.
Describes design considerations, primary treatment, design flows, recirculation tank, sand filter and maintenance.
Drawing 1RSF: Recirculating Sand Filter
Drawing RSF CW: Cold Weather Config.
Submittal Data Sheets
Recirculating Splitter Valve Data Sheet
Distributing Valve Data Sheets
Filter media gradation curves
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Dosing Siphons
OSI Dosing Siphons - Dimensions for design and methods of installation for more than 30 models.
Design, Use and Installation of Dosing Siphons for On-site Wastewater Treatment Systems
By Eric S. Ball, P.E.
How siphons work and considerations in design and maintenance of siphon systems.
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Pressure Dosing
Pressure Dosing: Attention to Detail
By Eric S. Ball, P.E.
Presented at the 8th Northwest On-Site Wastewater Treatment Short Course, Sept. 1995, Seattle, Washington.
Essential information on design, construction and long term maintenance of pressure dosing systems.
Pump Selection (Sample calculations)
Pressure Sewer Systems
Pressurized Drainfields
Standard Non-Pressurized Drainfields
Equal Flow Non-Pressurized Drainfields using Hydro-Splitter Technology
Intermittent Sand Filter Systems
Pump Selection for Pressurized Drainfields
Fax input form for pump selection spreadsheet. Sample system curves.
Method for Determining Total Headloss in Pressure Laterals
Guideline for setting up spreadsheet for lateral headloss calculations.
Details for Pressurized Drainfield Laterals
Flow control assemblies and how to calculate orifice sizing
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OSI Automatic Distributing Valve Assemblies for Wastewater Effluent Systems
By Eric S. Ball, P.E.
Valve operation, assembly description, hydraulics, system design, maintenance.
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Pumps & Controls
Pumps, Controls and Regulations
By Terry R. Bounds, P.E.
Presented at the 8th Northwest On-Site Wastewater Treatment Short Course, Sept. 1995, Seattle, Washington.
Dosing and pressure distribution systems require attention to detail in selection of pumps and their controls.
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Septic Tanks & Effluent Sewers
Alternative Sewer Design Workshop
By Terry R. Bounds, P.E.
Presented at Rural Community Assistance Corp. Conference, Feb. 1993, San Francisco, California.
Details that are critical in the design of effluent sewer STEP systems.
Glide Audit 1986-87: Summary of Sludge and Scum Accumulation Rates
By Terry R. Bounds, P.E.
Description of methods employed to monitor a 500-unit effluent sewer STEP system and the surprising observations.
STEP Systems: Glide's Contribution to the State of the Art
By Terry. R. Bounds, P.E.
Covers history, on-site installations, costs, operation and maintenance.
Septic Tank Septage Pumping Intervals
By Terry R. Bounds, P.E.
Presented at ASAE's 7th National Symposium on Individual and Small Community Sewage Systems, Dec. 1994, Atlanta, Georgia.
Help in sizing tanks relative to occupancy loading, achieving adequate hydraulic retention times, determining a tank's optimum effluent withdrawal level and predicting septage pumping intervals.
Septic Tank Sizes for Large Flows
By Terry R. Bounds, P.E.
Presented at ASAE's 7th National Symposium on Individual and Small Community Sewage Systems, Dec. 1994, Atlanta, Georgia.
Includes formulas and charts to aid in calculating tank volume and in sizing effluent filters for optimum flow modulation and baffling of solids.
Biotube Effluent Filter Sizing
Instructions for sizing using design or actual flow.
Cost Estimating for Step Systems and Sand Filters
Breakdown of typical costs for onsite, collection and treatment components of wastewater systems.
Effluent Quality in Pressure & Variable Grade Sewers With Single-Compartment Tanks & Effluent Screening Vaults
Summary and data from several effluent sewer systems.
Users Manual
Dos and Don'ts for Septic Tank Systems