HomeMy WebLinkAbout2008-07-22 FFE Ltr to OPHF oh, Fre o
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July 2008
Cit of Oak Park H eights
Eric Johnscin
14168 Oak Park Blvd.
Oak P ark Heights, TIN
Re- Boutwells Lavdin Care Cei)-ter Oru V4 V LO
Dear 'Mr. Johnson, 90
This letter is iii response to N-1s. Erick son's plan revic--%v ]ater dated Jul 10, 2008 re the
Boutwells �Andin Tunnel project. We have attached the re infortnation and the response to
these itenis is belcaw.
S heet
O ,K I. The hatch pattern shown on the bituminous patli:wutb of 58h St. is ftoln the Boutwell's
LaMij) Clre Center plaws, and was intended to ber's-howii fb.r referclice. On the BouRvelPs
Cal-c. 'ester P lan's this
i d Mal wifl be. ccmstructe4 to replac.e the existin entrance drive.
Sinc-e- the tuone I work- is Intemicd to overlap with the B out wvll's Care Centel, this
bitwninom padi will most likel nc)t be constructed until the to ml is installed.
2. We have added the si notes as su to sheet U.1 5i� :
3. We. have added a pedestrian ratan sk�utlj of 58`1 St. at Nom ch as re
Shed C3 I
Ar- e ve-ki
A-Ve have. ohan die class, of the 12., 29d 18" RC-P pipe W class, V as re
Sheet C4, 1:
1. It noted that the rev v R)r tb in ive av in eluded ,final structu
thral
.e tutme) is nr� he
ii
plans for tbe W111101 for review. Me eo-.,Pe ooev1,ivv11
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We are worklu with a structural ev to develop aniijlpfDved solution for the stom
se'%.;,fer crossin if needed.
12+0 L AO%r,537fA? * F (4-51) -09-MV 0 FaX.- WWW
ThddA. Pjl�,*n)w
e4alJ7 hAl� e4,i oie.,
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e Jee,(,ee-
Th drainfile will diwb . e to t}w, stor se�� er under the. tunnel when - tire stormy sewer is
I' - )Wer - than the kip-Vntil . 71he cdraiiii t1Jee that will be ijistal ed at ati elevation lower tbaii the
,Acme sciver will be, drained to a. sump an4 putiope d out, bile to the porosity of the wiis we
apticip -ate liftle use of the lump Vie ptimp wilt he located in the head. house.
,
S heet O e
C7 3: ti ye i
I
We have revised the detail tc, extetid, the watermain lowering to 1.5" beyoad the edge of the
X. fboti11g .for the tumiel. A n ad ditictral 10ntt casement will bc, added to the north si de. of th
exi.sting 110 . easement 4) the area of the ti.ir . to allow for City access to Ole I ter mail). if
necded,
.
We have rep; e iv c d Middle St, Crom Aatershed approval, based on mtip ly i ng them with one.
add it icmal calcidat ion grid sc i is irifo- rmatim fror the infi ltrat:iori area, which we w ilI Iwo to
thell.) tomon
If yoti have an) gitestions or aced a .ditional •informati.orl give iiie a call at 65 1-4 3 9- 9 8 3 3_
F F, hicy
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(X 6 cki Van.Dell
C 'Karev. 13r ick -gon. Bom -stroo
ln' ite Architects :dirk Veleit
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