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Infiltrator chamber septic system leach field installation instructions and pricing.
Click here for main septic chapter with details and cost of other system parts.
Please note that we are not Infiltrator®, the manufacturer, and we do not ship their chamber leach field systems outside the state of Colorado.
Infiltrator chambers are only delivered within about 50 mile radius of Denver (North to Loveland, South to Castle Rock, up to Georgetown, and out East to Byers) or provided will-call, pickup in person at the Denver area warehouse.
Motor freight for such large items has become so expensive, at well over $300 per pallet, that we no longer quote out-of-state shipments of chambers.
For out-of-state referral, please contact the manufacturer direct at: InfiltratorSystems.com e-mail: firstname.lastname@example.org or phone: 800-221-4436.
Standard Quick4 Infiltrator chambers are 34 inch wide (3 foot trench) by one foot tall by four foot long (net length after connecting together) and cost $33 each, $31 each for 50 or more, and $29 each for a full pallet load of 85 chambers or more.
Rows of Infiltrator are generally limited to 12 or 13 chambers (about 50 foot length) requiring two $18 end caps for each row.
Please e-mail email@example.com with a cut-list for your project to get a personal quote.
In addition to your parts list, please provide the drop site location and we can confirm if free delivery is available in your area.
"Are we allowed to install this septic system on our property" is not a question we can answer for you. We have been providing much the same passive (non electric) septic system parts for over twenty years now, but we do not follow constantly changing city, county, and state building regulations. Unfortunately, with 63 counties in Colorado, regulations changing from year-to-year, and interpretations of those rules varying from one inspector to another, it's never possible to say for certain 'what is allowed' locally. The county building department is your primary source of information on what is possible to install according to local 'code'. Rather than telephone them with questions, you should drive over in person and get a copy of their local Individual Sewage Disposal System ISDS Regs and also get a list of locally licensed soil engineers. The building department will confirm or revise your site plans once submitted for approval. Often the county inspector will assist you with site plans and design as a service provided for their permit filing fee. If not, they will refer you to a local engineering firm that can visit the property in person and design the system. We provide free consultation after the sale on installation procedures, system design improvements, and operational issues, but we do not provide any soil testing, on-site services, 'stamped' engineered plans, or 'advanced treatment' systems.
Conventional leach fields use perforated plastic pipes laid in a twelve inch gravel bed.
It is not a stretch of the imagination to envision those small holes clogging faster than a three foot wide chamber.
That's why we only sell the best!
Infiltrator chamber leach fields are high-density polyethylene arches that interlock to form a continuous drainage area with a much greater storage ("surge") volume than conventional perforated pipe leach fields.
Installation simply involves digging a series of three foot wide trenches (or a large rectangular bed as shown below), connecting the Infiltrator chambers and then backfilling with the soil you originally removed.
No gravel is needed, but adding gravel above and below your chambers is always an upgrade to aid percolation in poor soils.
Theoretically, over ninety percent of the solid waste entering your septic tank is broken down by anaerobic bacteria.
The remaining sludge builds up until you pay to have it pumped out.
If your septic tank is not pumped regularly, solid waste eventually overflows into the leach field where the soil clogs, your field 'fails' and has to be replaced, which is a very messy and costly affair.
By the way, don't believe those ads you see for 'digesters' which are supposed to save your leach field by cleaning up your septic tank.
A healthy, well-designed septic system works just fine without any assistance from over-hyped chemicals.
An unhealthy, ill-designed septic system is going to fail regardless of how much digester you flush down the toilet.
They are generally a waste of money and often do more harm than good.
Plus, you run the risk of poisoning your groundwater in the process - anything that dissolves organic matter simply cannot be good for your well water quality.
The Infiltrator chamber septic system leach field differs from conventional leach fields, which use perforated plastic pipes laid in a twelve inch gravel bed. It is not a stretch of the imagination to envision those small holes clogging faster than a three foot wide chamber. That's why TheNaturalHome.com only sells the best! Infiltrator chamber leach field units are high-density polyethylene arches that interlock to form a continuous drainage area with a much greater storage ("surge") volume than conventional pipe leach fields. Structurally, chambers will take a heavy load, so you may drive over when necessary, just be sure to drive perpendicular to the chamber (like crossing rail road tracks) and never driving down the length of chambers. Installation simply involves digging a series of three foot wide trenches (or a large rectangular bed as shown below), connecting the Infiltrator chambers, and backfilling with the soil you originally removed. As a general rule, trenches (fingers) should be no longer than fifty feet (12 or 13 Infiltrators long) for best function. Unless you are installing as a "bed" system (where the chambers are right next to each other), leave at least six feet of undisturbed soil between fingers. In practice, this six feet of undisturbed soil between trenches becomes eight feet or more since you don't want to compact the soil above the Infiltrators; one should allow at least the width of the backhoe between trenches. And don't forget to loosen the soil twelve inches below bottom of the trench (scarify) before installing the Infiltrators leach chambers. The worst mistake you can make is to compact (smear) the soil in bottom of a leach field trench. You want to be sure to loosen the soil to allow for proper percolation of effluent. No gravel is needed - but gravel is always an upgrade option to aid percolation in any soil. No geotextile fabric (weed barrier material) is need - but in sandy and silty soils, it is recommended to cover the tops of your chambers with gravel and then fabric to keep soil from migrating into the chambers and surrounding gravel. For even more protection, fabric can be placed atop the chambers and then covered with 3/4 inch nominal crushed stone and then yet another layer of fabric atop the stone. Over-engineering is excellent insurance for long-term viability. As with most construction projects of this scope, it is always best to do the job right the first time.
While not 'required', it is conventional to place a layer of gravel atop the chambers and cover with geotextile fabric before backfilling atop in sandy and silty soils.
This additional step is recommended when soils are loose or sandy and would otherwise tend to wash down into the chambers.
The primary place for geotextile fabric is above the gravel layer of your leach field lines, French drain, or drywell leach pit.
Additionally, one can line the outside walls/sides of the excavated leach pit or drain lines to keep soil from migrating into the gravel from sides.
This sidewall protection is always recommended when soils are loose or sandy and would otherwise tend to wash soil into the gravel.
Geotextile fabric is also used for wrapping perforated pipe-in-gravel French drains, as pictured at right, with fabric on the bottom of trench too.
French drains are wrapped like a burrito, unlike septic leach field chambers where the fabric is on the top and sides only.
Protecting your leach pit and perforated pipe gravel from soil and root infiltration is crucial to long-term soil percolation and preventing leach field failure.
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