New RFI No. 20		
As of 10-Jul-2009 12:19 PM CT	
Vitruvian Infrastructure Phase 1B
4010 Marsh Lane Addison, Texas 75001 
Project Number: 1308B
	

 	Status: Outstanding	  	
Subject	Plan grade bust on storm line SD-A1  	
Reason Code   	 None 	 
Question	 On revised sheet 33 for line SD-A1, the profiles show a proposed 2.00% slope between stations 2+94.35 and 3+31.05. When proposed flowlines are calculated, this slope is actually
around 1.66% (at 36.7 LF). 

 
Proposed Solution	 Joel, per our conversation, NTC is to correct this bust by running at a 2.00% from 2+94.35 to 3+31.05, and modify the 5'x5' RCB flowline elevation up at station 3+31.05.
NTC will note the flowline elevation change at station 3+31.05 on our as-built drawings and documents. 	
Attached Files	 (none)	
 	 Section:   	 2 - Sitework 	 Int. Tracking #: 		
  	  	 Days Elapsed: 	0	 
From: 	Andrew Rolph 	 Originated: 	10-Jul-2009 12:19 PM CT	 
To: 	Jennifer Haynes, PE (First Recipient)	 Requested By:   	 13-Jul-2009 12:08 PM CT 	
Copy to:	  

Andrew Rolph	Andy Nord	
Joel Massey	Nick Jacob	
Jennifer Haynes, PE	Zach Fusilier	
Bruce Dunne	Craig Benckendorf 	
Clay Barnett	 	

Additional Info	
	
Proposed Solution Impact	 Critical Path?   	 No 	   	  	 
Cost Change:   	 None	 Time Change:   	 None 	
Discipline Code:  	 Civil 	  	  	 
Drawing Numbers:  	 33 	 Needs Drawing Change?  	 Yes 	 

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