HomeMy WebLinkAboutCorrespondence COUNTY 5/15/2007
, " rO- v e~etCt t-e st, VLq It St hej-tJJ~rt 5"~ cr li I'll S tye~
f LANE COUNTY PUB C WdRKS DEPARTMEN
3040 North Delta HIghway
Eugene, OR 97408-1696 p~=; (j 5: ! ~
Phone (541) 682-6900 FAX (541) 682-8501
LETTER OF TRANSMITTAL
To: Paul Von Rotz Date: May 14, 2007 Contract No.:
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__Q~~Y:_~f ~EE~}:?_g!i_el~ ______________ _ __ _ _ __ _ __ ______h Project: ~_J?J:~e~J:~nd FIr_~~ta!_~~~_=___~gQgfiel_cL________
_ 22.?__!:'!it.!?:_~!!:~t__________ _____________ _ _ _ ____ ___ ___ Re: _g~:m~g R~~lll~__ ___________ ______ ____________ ___ ________
_~Q~_1?:gfl~I~~__Q~_J?i?2__ ___ _______________ __________________________ ____ ____
WE ARE SENDING YOU:
[8J Enclosed
o Copy of Letter
o Samples
o Test Results
o Prmts
o Plans
o FIeld Notes
o Under Separate Cover VIa
o Change Order
o SpeclficatlOns
o Job MIX Formula
COPIES DATE NO. DESCRIPTION
,__!_____~il5/08/07 _________ ____ _~an~_~~~~ty _~~t~na~J~~~~~g L~~_- Conng Re~ul~____ _ ___ __ ____ _____ ________,
.____ ___ ____ -i- ___________ ___~___ _ _ _ _ __ _ __ _ _______ _ _ _____________________________________ _ ___ ______________ ___ _ ______ __ __ _ ______l
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..__..l.__________________________________________________________________----1
THESE ARE TRANSMITTED AS CHECKED BELOW:
D For Approval
[8J For Your Use
o As Requested
o For ReVIew and Comment
D Approved as Subrrntted
o Approved as Noted
o Returned for Correctlons
o Subrrntted Caples for Approval
o Subrmtted CopIes for DlstnbutlOn
o Return Corrected Prmts
REMARKS
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--------___________N______ ___________________~_ _________ ___________ _________
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COpy TO: FIle, Dave J;3rown
SIGNED: ,---- / --'d---~-R~-1.~---------;;-,----------------
:?J.i?a H - dt:vtPa/n/'1/1../v?L _ _ __ _ _ _ _ ___
David L. Brown, Field Eni(in~enn~7:Superintendent
If Enclosures Are Not As Noted
NotIfy Us At Once
Date ~eceived: s:Js;/UJ07
Planner: Al
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Lane County Materials Testing Lab
Lane County Public Works Department
3040 N. Delta Highway, Eugene, Oregon 97408 (541) 682-6945 FAX (541) 682-8501
5/8/07
CorinQ results of A Street and Fire Station
Per Instructions from Paul Van Rotz of the City of Springfield, Lane County Public Works
Matenals Lab performed a field investigation of the road structure on A Street, between 5th and Mill
Street, and also of the fire Station parking lot off of Pheasant Ln. The field investigation consisted of
coring through the road and parking lot surface and then augenng through the base matenal to
subgrade material.
The following are the results of the field investigation with an accompanying map for locations:
A Street, 5th to Mill
Core number AC thickness Base thickness Subqrade Notes
1 7.5" 14.5" Grey Clay Woven Fabric at subgrade
2 6 5" 15" Grey Clay Woven Fabric at subgrade
3 7" 11 " Grey Clay
4 6.5" 10.5" Black Clay Woven Fabric at subgrade
5 6" 11 " Black Clay Woven Fabnc at subgrade
6 7.25" 11 " Black Clay Woven Fabnc at subgrade
7 *6.5" 9"CTB Black Clay **
8 *7.5 6"CTB Black Clay **
9 *8" 6"CTB Black Clay **
10 *75" 6"CTB Black Clay **
* - Cores 7 thru 10 had an approximate 3" top lift of AC with a layer of Petro Mat between the top lift
and the lower lift.
** - Cores 7 thru 10 had what appeared to be a 1 %" minus Cement Treated Base material instead of
base rock. All other cores had what appeared to be 1 %" minus base rock.
Fire Station ParkinQ Lot
Core number
1
2
3
AC thickness
***5" Concrete
3"
Base thickness
15"
11 "
2.5"
8"
Subqrade
Br. Silty Clay
Br. Silty Clay
Br. Silty CLay
Notes
Fiber mesh in Concrete
Date Received: S-/IS-/2007
Planner: AL I I
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*** - Core 1 was taken in thE; _,.>ncrete approach slab where cracr~.~ had occurred. The core
revealed that the cracking of the slab had extended down approximately 3 %".
If you have any questions regarding these results, please call me at ?82-6945.
~~
Ed Daniels
Lane County Public Works
Materials Laboratory
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Date Received: ~)s--l2Po7
Planner: Al / 7
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