Eric,
Eric C. is questioning the steel quantities for the RFI changes. He said that some of the steel that they submitted for was in the original plans, but that their calculation of the
weight was off. Since the steel is included with the concrete, the plans state that the contractor is to calculate his own steel quantity and use that for his bid and that the steel
quantity in the plans is for estimating purposes only. Under this condition, Austin does not have the right to request reimbursement of the extra steel above the RFI changes.
Also, check the number of days requested. Eric used their request of 23 days. I believe this is 7 days for this change order and 16 days of delays. Let me know if you have any comments.
Thanks,
Clay Barnett, P.E.
Town Engineer
Town of Addison
16801 Westgrove Drive
Addison, TX 75001-2818
Office: (972) 450-2857
From: Christiansen, Eric [mailto:echristiansen@halff.com]
Sent: Wednesday, December 01, 2010 2:52 PM
To: Clay Barnett
Subject: RE: Vitruvian CO2
Clay,
I've attached a corrected version of Vitruvian Change Order #2 for your use. I separated Item CO2-1 into three parts; two are for the lightning protection at each bridge and the third
is for conduit and conductor at Bella. While I have an appropriate quantity for the length of the irrigation conduit that was added to Bella (201 LF), this item also includes additional
conduit and conductor for lighting circuits. Therefore, I left the unit as LS. I'm concerned that by using the linear quantity I'd be suggesting a unit price that would not be representative
of this item. Feel free to call me to discuss this further.
Eric
Eric S. Christiansen, P.E., SECB, LEED AP
Senior Structural Engineer
HALFF ASSOCIATES, INC.
1201 North Bowser Road
Richardson, Texas 75081
Phone 214-346-6284
Fax 214-739-0095
Cell 972-955-2996
www.halff.com
From: Clay Barnett [mailto:cbarnett@addisontx.gov]
Sent: Tuesday, November 30, 2010 3:25 PM
To: Christiansen, Eric
Subject: RE: Vitruvian CO2
Eric,
CO2-2 looks good. CO1-1 needs to be broken into components. There was the 2 each lightning protection at $35,402.18 apiece and then the conduit under the bridge at $___ per linear
foot (the total should be $7,579.44 and the # of linear feet from the plans). With these corrections, it looks good to go.
Thanks for your help on this!
Clay Barnett, P.E.
Town Engineer
Town of Addison
16801 Westgrove Drive
Addison, TX 75001-2818
Office: (972) 450-2857
From: Christiansen, Eric [mailto:echristiansen@halff.com]
Sent: Tuesday, November 30, 2010 3:18 PM
To: Clay Barnett
Subject: Vitruvian CO2
Clay,
Let's call the attached document preliminary. Let me know if you have any comments and I'll finalize it on Wednesday.
Eric S. Christiansen, P.E., SECB, LEED AP
Senior Structural Engineer
HALFF ASSOCIATES, INC.
1201 North Bowser Road
Richardson, Texas 75081
Phone 214-346-6284
Fax 214-739-0095
Cell 972-955-2996
www.halff.com
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