HomeMy WebLinkAboutPermit Correspondence 1991-11-21
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Branch Engineering
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212 C1 St;reet;
Springfield, Oregon 97477
(603J 74S-0637
FAX (603J 746-0389
21 Nov 1991
City of Springfield
Planning and Development
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225 North Fifth
Springfield, OR 97477
Re: Harold Brown pole structure - 22II Dornoch - City Job #910086
We visited the above referenced site to verify pier construction, as backfills had occurred
without City inspection. We found the following:
1. The structure consists of a conventional 6x6 poIe-framed, metal sided struciure with
manufactured trusses and crushed rock floor.
2. The concrete piers extend approximately 6" beyond the edge of the poles, indicating an
18" diameter bore.
3, Working a 1/2" diameter steeI probe diagonally into the soil surrounding several piers
revealed an incompressible material of the same diameter as the pier top, to a depth of
about 30", where our probe met refusal.
4, The owner states that he had the holes bored bet\yeen 3' and3-1!2', and, backfilled with
'CO',',""':",':' "'rI~ ""~ut ;';-'~l..jr(.....,th. :1~"U"........t,.,o"'; th.... ....~~~~v<;)t;on ;n.~nPr. tiO!1 W"S no' r~qlll'red
............. ""..... ....yrU-O..........J..... ...........v.'-- ul.t......,. ...... -.. :-. .r-.~';'.-_.. ..... .. ~-' .
Based on items 2, 3, and 4, we conclude that the concrete pole embedment is 18" in diameter,
and at least 36" deep.
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