Septic Tanks & Diagrams

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Septic Tanks

Instead of having city sewer service, the homes in many neighborhoods and subdivisions have septic tanks that are used to collect and store their waste. A septic tank is a settling basin in which solids accumulate at the bottom and are gradually broken down over time by bacterial action. Some of the solid waste that is broken down is liquefied by this bacterial action while the rest accumulates in the bottom. A small amount of fats and oils float to the top of the tank forming a scum layer. In northwest Ohio and southeastern Kentucky, most septic tank systems are connected to a leach field or drainage field. The drain-field consists of long perforated pipes or tiles connected to the septic tank. The network of pipes is laid in gravel-filled trenches or beds in the soil. Further treatment of wastewater forced out of the septic tank from the accumulation of sludge build up in the tank occurs in the soil beneath the drain-field.The soil below the drain-field provides the final treatment and disposal of the septic tank effluent or waste matter. After the effluent has passed into the soil, most of it percolates downward and outward, eventually entering the groundwater. A small percentage of it is taken up by plants through their roots or evaporates from the soil.

Rock Tanks & Diagrams

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Rock Tanks

Lift Stations & Diagrams

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Lift Stations

Lift stations help to prevent flooding by channeling rainfall away from neighborhoods in either hilly areas or regions that are below sea level. Sewage lift stations pump waste water to a collection area, where the water is treated after being separated from the waste.

Grease Interceptors & Diagrams

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Grease Interceptors

Grease traps (also known as grease interceptors, grease recovery device and grease converters) are plumbing devices designed to intercept most greases and solids before they enter a wastewater disposal system. Common wastewater contains small amounts of oils which enter into septic tanks and treatment facilities to form a floating scum layer. This scum layer is very slowly digested and broken down by microorganisms in the anaerobic digestion process. However, very large amounts of oil from food production in kitchens and restaurants can overwhelm the septic tank or treatment facility, causing a release of untreated sewage into the environment. Also, high viscosity fats and cooking greases such as lard solidify when cooled, and can combine with other disposed solids to form blockages in drain pipes.

Oil Interceptors & Diagrams

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Oil Interceptors

An interceptor is a vault with a minimum capacity of between 300 and 2000 gallons that is located on the exterior of the building. The vault includes a minimum of two compartments, and flow between each compartment is through a 90° fitting designed for grease retention. The capacity of the interceptor provides adequate residence time so that the wastewater has time to cool, allowing any remaining grease not collected by the traps time to congeal and rise to the surface where it accumulates until the interceptor is cleaned.

Meter Pits & Diagrams

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Meter Pits

A precast concrete meter pit consisting of an elongated hollow pipe having a beveled support ledge at one end and notches at the opposite end is fabricated by utilizing a slip form packerhead apparatus in which the beveled support ledge is formed by a radially inwardly inclined trowel edge bearing against a pallet member which is caused to vibrate when concrete is injected into the slip form apparatus.

Dry Wells & Diagrams

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Dry Wells

A dry well is an underground structure that disposes of unwanted water, most commonly stormwater runoff, by dissipating it into the ground, where it merges with the local groundwater. A dry well is a passive structure. Water flows through it under the influence of gravity. A dry well receives water from one or more entry pipes or channels at its top. A dry well discharges the same water through a number of small exit openings distributed over a larger surface area, the side(s) and bottom of the dry well. When a dry well is above the water table, most of its internal volume will contain air. Such a dry well can accept an initial inrush of water very quickly, until the air is displaced. After that, the dry well can only accept water as fast as it can dissipate water. Some dry wells deliberately incorporate a large storage capacity, so that they can accept a large amount of water very quickly and then dissipate it gradually over time, a method that is compatible with the intermittent nature of rainfall. A dry well maintains the connection between its inflow and outflow openings by resisting collapse and resisting clogging.

Misc. Riser Lids

24" x 24" Sq. Riser & Lid 12", 18", 24"

29" x17" Rect Riser & Lid 12", 18", 24"

30X47 Elliot Lid

Cistern Lid

Concrete Lid 21", 26", 31"

Distribution Box & Lids 12" x 12" x 12"

Flow Splitter

Grade Ring

Flow Splitter

Large Hopper

Old Style D Box

Riser 20" I.D. or 24" I.D. 12", 18", 24"

Cavitat Riser & Lid 36"

AA500 Documents

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New Aqua Aire AA500 Aeration System

FORCED AERATION - the KEY to most modem methods of advanced wastewater treatment - is merely one of the many advanced features present in every Aqua AER© waste treatment plant. FORCED AERATION is the method approved by the U.S. Environmental Protection Agency for package plants. Other features include a wide angle diffuser bar for efficient distribution of fresh air;simple yet unique timing mechanism to reduce operating costs to a minimum; high pressure blower to prevent clogging and allow the plant to be placed in any terrain. Compare these features with any other waste treatment plant and you will see why so many Health Officials recommend the AQUA AIRE AERATION waste treatment system. This is the plant which won a CLASS I approval, with Aeration Pump, Post Air, & UV Disinfectant System, by the Ohio Department Of Health.

Cistern Tanks & Diagrams

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Cistern Tanks

Modern technology creates clean,reliable water storage systems. Cisterns are a vital and trusted resource for water storage; in many areas of the world they are the only source of fresh water. Coate pre-cast, high quality concrete units with special attention to inlets, outlets and connect­ing joints eliminate many of the probles associated with the cisterns of the past. Structural integrity prevents leaks, see page
of surface water and the need for frequent cleaning. Proper filtration is the key to pure water and long intervals between cleaning. Effective filtration begins with the roof washer Recessed into Cistern Top and sealed with Concrete Grout 24" Hatch Conforms to Ohio State Code. Heavy Concrete Lid with 2" Lips Hatches at Far End of Cisterns from House for Fire Fighting Purpose with Threaded Cap. Our roof washer removes leaves and larger ob­jects by screening roof water as it enters the unit. The water is filtered by an effective replaceable element that has a 35 year history of success in cistern water systems. Second phase filtration occurs as water is with­ drawn through the floating cistern filter into the household system. The filter, constructed of stable and inert materials does not rust or cor­rode. The filter always floats in the top layer of clean water-any sediment that may have accu­mulated over the year cannot be drawn into the system.Coate's complete water storage systemsgive you years of efficient, trouble-free performance.

Catch Basins & Diagrams

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Catch Basins

A catch basin is a part of a storm drain or sewer system which is designed to trap debris so that it cannot enter the drainage pipes. Catch basins are a large scale version of the traps used in home drains to accomplish a similar function. Most municipal sewer and storm drainage systems use catch basins, and the design is basically the same all over the world, with a few small variations. Typically, public works agencies maintain storm drains and catch basins, although individual citizens would be well-advised to keep an eye on local storm drains so that they can report problems promptly. Catch basins have a wide sloping inlet which collects runoff, assuring that even when high volumes of water are being dumped into the system, there is minimal overflow. The inlet opens to a pipe which is covered with a grating. The grating traps large debris, preventing it from entering the piping. As water floods the catch basin, small particles which slip through the grate settle to the bottom. Drainage pipes are located above the bottom of this vertical pipe, ensuring that the water which flows into the drains is clear of sediment.

Manholes & Diagrams

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Manholes

A manhole (alternatively utility hole, cable chamber, maintenance hole, inspection chamber, access chamber or confined space) is the top opening to an underground utility vault used to house an access point for making connections or performing maintenance on underground and buried public utility and other services including: sewers, telephone, electricity, storm drains and gas.