HomeMy WebLinkAboutEngineer's Letter - Downspout Correction 08.11.2014CIVIL ENGINEERING
An I=mployr
OwnniCompany
LAND SURVEYING
MEMORANDUM
To: Jim Wilson, Garfield County Building Department
From: Matthew Langhorst
Date: August 11`h, 2014
Project: Ironbridge
Subject: Downspout Connection Letter
Dear Jim,
High Country Engineering, Inc. (HCE) has reviewed the soils reports for the entire Ironbridge Phase II
project and in each report the Soils Engineer has called out the preference for the roof
drains/downspouts/yard drains to be hooked to an underdrain collection system and have the water moved
away from the foundations of the homes as quickly as possible. Due to the minimal separation of the
homes, 10' generally, the 5' of leader hooked to a downspout and dropping water into a surface drainage
system is not the preferred water distribution method. A majority of the Phase II project has had an
underdrain collection stub -out installed at each lot location. This stub -out is directly hooked to the street
storm sewer system for each lot to collect roof and yard inlets and have them drain to a main ponding
system within the subdivision away from any homes or foundations.
The current builder and HCE will look at locations of piping where heat tape would be a good addition to
the collection systems so as to keep the pipes from possibly breaking during the winter months. The
Ironbridge HOA and the homeowners are responsible for maintaining these systems once in place. A
periodic camera review of the piping will be easy to accomplish since the downspouts can be temporarily
removed from the hard piped collection system and this review should be completed at the end of each
winter season.
Thank you for your review of the homes and please let me know if you have questions pertaining to this
downspout collection system approval letter.
Thanks,
Matthew Langhorst, P.E.
High Country Engineering, Inc.
1517 BLAKE AVENUE, SUITE 1 01
GLENWOOD SPRINGS, CO 81601
970-945-8676 • PHONE
970.945.2555 • FAX
WWW.HCENG.COM