Wade,

 

Please be aware of the flat slopes in the bridge approach slab on the southeast side of the Ponte Bridge.  Also included is a summary of where Icon is on the grading revisions near the
bridge approach slabs.

 

If you have any questions, please let me know.

 

Thanks,

Clay Barnett, P.E.

Town Engineer

Town of Addison

16801 Westgrove Drive

Addison, TX 75001-2818

Office: (972) 450-2857

 <http://www.addisongreen.info/> 

 

From: Joel Massey [mailto:jmassey@icon-engineers.com] 
Sent: Monday, January 24, 2011 3:17 PM
To: Clay Barnett
Cc: Bruce Dunne
Subject: RE: VP - Ponte Ave. Bridge Sidewalk Grading

 

Clay,

 

Well maybe with Klienfelder watching this construction, the paver sidewalk ponding will be minimal.

 

The coordination of the bridge grades and the preferred parkway grading will result in revisions and/or adjustments at the top of the four stairs and two ramps.  We have completed a
parkway grading concept plan for all four corners of the bridge and have reviewed it in person with KSS.  They are reviewing the concept plan and will provide their input.  After they
are finished, we will provide the proposed plan and park structure revisions and/ or adjustments.  I believe that answers your question.

 

Joel

 

From: Clay Barnett [mailto:cbarnett@addisontx.gov] 
Sent: Monday, January 24, 2011 3:00 PM
To: Joel Massey
Cc: Bruce Dunne
Subject: RE: VP - Ponte Ave. Bridge Sidewalk Grading

 

Joel,

 

I reviewed the information.  I agree that there is a cross section of the sidewalk that is fairly flat.  However, that is true of the street at this location as well and is generally
true of all streets near low and high points.  Additionally, I believe that 0.5% slope is adequate to maintain drainage on a paved surface assuming that the contractor maintains this
slope.  I will advise Kleinfelder of the flat slopes in these areas and ask them to keep watch to insure that we have positive drainage.

 

How is the examination of the elevations of the bridge approach section matching up with the park plans?  I believe this was the issue that Bruce mentioned at the construction meeting
a few weeks back.

 

Thanks,

Clay Barnett, P.E.

Town Engineer

Town of Addison

16801 Westgrove Drive

Addison, TX 75001-2818

Office: (972) 450-2857

 <http://www.addisongreen.info/> 

 

From: Joel Massey [mailto:jmassey@icon-engineers.com] 
Sent: Wednesday, January 19, 2011 12:17 PM
To: Clay Barnett
Cc: Bruce Dunne
Subject: FW: VP - Ponte Ave. Bridge Sidewalk Grading

 

Clay,

 

In conjunction with the Ponte Ave. grading coordination with the bridge, I came across what I believe may be a bridge deck drainage issue.  I sent the following email and attachment
to Halff a little over a week ago.  The purpose of the email was to verify with the designer that the bridge deck east side sidewalk transitions provided adequate surface slope to drain.
 I received a call from a staff member at Halff, I believe the next day, but I have not heard any resolution since then.  I believe this is important because my translation of the sidewalk
transition information results in a surface slope of about 0.5%.  I believe this slope will be too flat for the paver walkway to adequately drain.

 

Please follow-up with Halff to verify whether or not this is an issue.

 

Joel

 

 

From: Joel Massey 
Sent: Monday, January 10, 2011 10:20 AM
To: 'Christiansen, Eric'
Cc: Bruce Dunne
Subject: VP - Ponte Ave. Bridge Sidewalk Grading

 

Eric,

 

I am working on the proposed grading coordination, at both ends of the Vitruvian Park Ponte Ave. bridge, with the four (4) adjacent buildings (existing, proposed & future), the Vitruvian
Park access and the Ponte Ave. roadway.  I have one question to you concerning the “sidewalk slope transitions” at the southeast and southwest corners of the bridge.  Using the sidewalk
slope transition stations and plan view slopes shown on your sheet S1-01 and the proposed roadway grades, it looks like the sidewalk slope transition areas on the south end of the bridge
are not going to drain very well.

 

Please look at the attached PDF exhibit and let me know if I have translated the bridge design correctly on the exhibit.

 

Joel A. Massey

Project Manager

icon Consulting Engineers, Inc.

Bicentennial Financial Center

250 W. Southlake Blvd., Suite 117

Southlake, Texas  76092

Phone: (817) 552-6210

Fax: (817) 552-3126

Mobile: (817) 229-7944

jmassey@icon-engineers.com

 

 

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