HomeMy WebLinkAboutOWTS Installation Observations 10.11.191517 Blake avenue, suite 101
Glenwood Springs, CO 81601
970-945-8676 phone
970-945-2555 fax
www.hceng.com
An Employee-Owned Company
MEMORANDUM
To: Matt Provost, Garfield County Building Department Department
From: Roger Neal, PE
Date: October 11, 2019
Project: Ensign Residence – Lot 23 High Aspen Ranch
Subject: OWTS Construction Approval Letter, Permit BLRE08174868
The proposed OWTS design at Lot 23 High Aspen Ranch, Garfield County has been installed per the
approved and permitted plans. The installation contractor was Aspen Digger , 0075 Sopris Avenue,
Carbondale, CO. A site visit to perform a system inspection was conducted on August 29, 2017.
Soil test pits were hand dug and percolation tests were performed August 3 2017.
The trenches were excavated and soil type was unchanged from the excavated pits. The trenches were
located in the general area of design and had proper separation between trenches. Four rows of 16
chambers each were installed for a total number of 64 chambers which were equal to the design. Sand
media was installed three feet deep below the chambers. Inspection ports were installed on the north
ends of the trench runs. The ports that were installed were brought to above grade as required.
The new septic tank meets sizing requirements per the design and has an inlet drop per design. The pump
and automatic distribution valve were in place and setup and testing of the system was performed by
Valley Pre-cast and there startup letter is attached. Alarms have been set and tested.
The tank lids have been raised to the proposed grade elevation.
Please see attached photos of the installation.
Please let me know if you have any questions pertaining to this acceptance letter submittal.
Thank you,
Roger D. Neal, P.E.
High Country Engineering, Inc.
Enc.
-Installation pictures
-As-built drawing
Civil engineering Land surveying
1517 Blake avenue, suite 101
Glenwood Springs, CO 81601
970-945-8676 phone
970-945-2555 fax
www.hceng.com
Chambers in Trench Tank and Risers
Automatic distribution Valve ADV Riser Box
1517 Blake avenue, suite 101
Glenwood Springs, CO 81601
970-945-8676 phone
970-945-2555 fax
www.hceng.com
Finished Grade at Tank Finished Grade at Field
Finished Grade at Distribution Valve.