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Home My WebLink AboutOWTS Installation Observation 09.11.2024CBO Inc. 129 Cains Lane Carbondale, CO 81623 970.309.5259 carla.ostberg@gmail.com September 11, 2024 Project No. C1673 Maria Ruiz rocioruiz2307@hotmail.com Onsite Wastewater Treatment System (OWTS) Installation Observations 2488 Hwy 133 Garfield County, Colorado OWTS Permit SEPT-7688 Maria, CBO Inc. observed the installation of the onsite wastewater treatment system (OWTS) on February 26 and September 10, 2024 for the subject property. Jose Carranza installed the system. The existing well was abandoned and a new well drilled to allow the soil treatment area (STA) to be moved to the north to allow more room for the driveway. We verified the new well is greater than 50-feet from the septic tank and greater than 100-feet from the STA. The OWTS design is based on 4-bedrooms. An average daily wastewater flow of 525 GPD was used. The 4-inch diameter SDR-35 sewer line exiting the residence has a double-sweep clean out and a minimum 2% grade to the septic tank. The system installation included a 1500-gallon, two-compartment concrete septic tank with an Orenco® Biotube Pump Vault and an Orenco® PF3005 pump in the second compartment of the septic tank. There is also a filter in the second compartment of the septic tank. This filter must be cleaned annually, or as needed. The floats were set to dose approximately 70 gallons each pump cycle. Valley Precast out of Buena Vista performed start-up of the pumping system. The control panel is located within line of sight of the pump chamber. Effluent is pumped through a 1.5-inch diameter pump line to an Orenco® automatic distributing valve (ADV), model 6402. The ADV was placed at a high point in an insulated riser with access from grade. Effluent is pressure dosed through 1.5-inch diameter distribution lines to two zones in a 12’ x 67.5’ bed. A minimum of 2-feet of sand filter material was installed in the over-excavated footprint. A gradation of the sand media is enclosed. Laterals were connected with 1.5-inch diameter level manifolds. Laterals used to disperse the effluent were surrounded by washed coarse screened gravel. Laterals are 1.5-inches in diameter with 5/32-inch diameter orifices facing down, spaced 3-feet on center (OC). Orenco® Orifice Shields were installed on the laterals at each orifice. Laterals begin 2-feet from the edges of the filter, with 2-feet between the middle laterals and 3- feet between the laterals that are connected with the manifold. Each 1.5-inch diameter lateral ends in a sweeping ell facing up with a ball valve for flushing. A soil separation fabric was placed over the gravel layer followed by approximately 1-foot of topsoil or other suitable soil able to support vegetative growth. Inspection ports were placed in each corner of the bed. On September 9, 2024 we conducted a site visit. At the time of the site visit, the main breaker for the control panel was turned OFF. We turned it ON and tested the pump via the floats and the pump and alarm activated normally. We also ran through a cycle of the ADV and flushed the laterals. It should also be noted that at the time of our visit, the pump counter had 28 cycles and the run time 49.66 hours. We cannot explain the reason for these numbers, as the house is not occupied. We noted this on a paper in the control box and this should be considered the starting point for occupancy of the residence for the purpose of future monitoring. The OWTS was generally installed according to specifications. This observation is not a guarantee of workmanship and/or parts and materials. CBO Inc. should be notified if changes are made to the OWTS in the future. Any additional OWTS construction must be according to the county regulations. LIMITS: Observations are limited to components that are visible at the time of the inspection. The installer must have documented and demonstrated knowledge of the requirements and regulations of the county in which they are working. The quality of the installation is dependent on the expertise of the installer, soil type, and weather conditions. Please call with questions. Sincerely, CBO Inc. Carla Ostberg, MPH, REHS Sewer line existing house / this configuration was corrected to eliminate the angle and the clean out was placed directly on the sewer line Septic tank Pump line from pump chamber to ADV Sand sent in over-excavation Gravel on top of the sand Pump line Pump line to ADV ADV Laterals and flushing valves Distribution lines existing ADV Plumbing to laterals Backfill New well Pump counter and run time PRIOR to occupancy Garfield County Public Health 2014 Blake Ave. Glenwood Springs,CO 81601 Phone:970)945 6614 ext.8150 For inspections,call:970 945 6614 ext.8150 and call the Design Engineer,if applicable Project Address:2844 Highway 133,Carbondale,CO 81623 Parcel No.:246303400012 Owner Name:Antonio Campos and Maria Ruiz Owner Phone:970)618 5036 Designed By:CBO Septic Consulting,Inc.Designer Phone:970)309 5259 Contractor:Antonio Campos and Maria Ruiz Contractor Phone:970)618 5036 Number of Bedrooms 4__Minimum Tank Capacity 1,250 gal__Minimum Absorption_807.69 SF OWTS PERMIT KEEP AVAILABLE AT PROJECT SITE Permit Number SEPT 7688________________________ Permit Type X New X Repair X Remodel/addition X Tank only X Field Only X Amendment Issue Date 08/08/2022 Expiration Date 08/08/2023 Permit Conditions: This OWTS Permit is approved on the condition of compliance with the design as submitted by CBO Septic Consulting,Inc.dated July 11,2022.Changes must be approved by Garfield County Public Health and the designer prior to construction. The new OWTS will serve a new 4 bedroom residence.The system will consist of a new,two compartment minimum 1,500 gallon septic tank set level with access to grade and a high head pump in the second compartment of the tank.Effluent will be pressure dosed to an Automatic Distribution Valve ADV set level with access to grade at the high point of the system that will distribute effluent to 810 ft2 of STA.The new STA will consist of an over excavated 12 feet wide by 67.5 feet long unlined sand filter with two zones placed on two feet of secondary sand.The pump line and laterals shall consist of 1.5 inch diameter Schedule 40 PVC.Laterals shall have 5/32 inch diameter orifices facing down,every three feet on center O.C.).Laterals shall end in a sweeping ell facing up with a ball valve for flushing.Inspection ports are to be installed at each corner of the bed. Maintain all setbacks and elevations as designed. Contact the designer and Garfield County Public Health at least 48 hours prior to requesting final inspection of the installed system prior to backfill. Agreement All installations must comply with all requirements of the Garfield County OWTS regulations including but not limited to the conditions specified above. In consideration of the issuance of the permit,the applicant hereby agrees to comply with all laws and regulations related to the zoning,location,construction and erection of the proposed OWTS and associated structures for which this permit is granted.The applicant further agrees that if the above said regulations are not fully complied with in the zoning,location,erection and construction of the above described OWTS and structure,the permit may then be revoked by notice from the Health Department and immediately become null and void. The issuance of a permit and specifications of terms and conditions therein will not constitute assumption of liability,nor create presumption that the local public health agency or its employees may be liable for the failure or malfunctioning of any system.Permit issuance will not constitute a certification that the system,the equipment used in the system,or any component used for system operation will ensure continuous compliance with the provision of the OWTS Act,the regulations adopted thereunder,or any terms and conditions of a permit. Permit Approval Plans and specifications for the proposed OWTS have been reviewed and are considered satisfactory.Permission is hereby given to the property owner(s)to perform the work indicated in accordance with the Garfield County OWTS Regulation.This Permit will expire 1 year from the date of issuance unless construction on the system has commenced.An as built"drawing must be submitted and inspection of the system must be completed by GCPH before final approval of the system will be issued. 08/08/2022 Issued By:Garfield County Environmental Health Department Date 06/11/2024 To Whom It May Concern: We have been to the following site: 2498 Hwy 133, Carbondale, Garfield County We have verified that the system was started properly. The System went through several cycles with no issues. - Amperage and voltage of control panel, floats, and pump are all within manufacturers specifications and tolerance at start up. - Floats verify for functionality. - High level alarm functions upon activation at control panel. If you have any questions, please do not hesitate to call me at 719-395-6764, ext. 13. Sincerely, Scott McIntosh Service Manager 2,257 376.2 Map Viewer This product is for informational purposes and may not have been prepared for, or be suitable for legal, engineering, or surveying purposes. Users of this information should review or consult the primary data and information sources to ascertain the usability of the information. 1,7541: Feet2920 Legend 146 Notes Location 292 Date Prepared: 9/11/2024 4:08:26 PM Well Constructed Final Permit Ground Water Geophysical Log County Superfund Sites 832‐R‐13‐002