Response to RFI No. 17		
As of 9-Jul-2009 3:30 PM CT	
Vitruvian Infrastructure Phase 1B
4010 Marsh Lane Addison, Texas 75001 
Project Number: 1308B
	

 	Status: Outstanding Overdue	  	
Subject	Bury depth of FH at 1+25  	
Reason Code   	 None 	 
Question	 The typical fire hydrant installation detail shown on sheet 62 calls out for a maximum hydrant bury depth of 5'. Due to the conflicting grade of the existing 6" HP gas main,
the thrust block would end up right on the gas main. 	
Proposed Solution	 NTC proposes to lower the bury depth down 2' to all the room needed to pour a thrust block and not affect the gas main. No additional cost will be incurred to the
Town of Addison for this additional hydrant bury depth. I have attached pictures for your reference. 	
Attached Files	 100_1253.JPG	
100_1251.JPG	
100_1252.JPG	
 	 Section:   	 2 - Sitework 	 Int. Tracking #: 		
  	  	 Days Elapsed: 	10	 
From: 	Andrew Rolph 	 Originated: 	29-Jun-2009 4:34 PM CT	 
To: 	Jennifer Haynes, PE (First Recipient)	 Requested By:   	 2-Jul-2009 4:24 PM CT 	
Copy to:	  

Andrew Rolph	Andy Nord	
Joel Massey	Nick Jacob	
Jennifer Haynes, PE	Wade Geistweidt	
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:  	 55 	 Needs Drawing Change?  	 No 	 

History (Chronological Order)	
	
Type	 Routed 	
Billable	 n/a 	
Memo	 NTC needs an approval from the Town concerning this fire hydrant bury depth. Due to the Gas Main conflicts, will the Town approve the additional bury depth at this location? 	

Attached Files	 (none)	
 	 From: 	Joel Massey	 Sent: 	9-Jul-2009 3:30 PM CT	 
To: 	Clay Barnett	 Requested By:    	2-Jul-2009 4:24 PM CT	 
Copy to:  	  

Andrew Rolph	Andy Nord	
Joel Massey	Nick Jacob	
Jennifer Haynes, PE	Wade Geistweidt	
Bruce Dunne	Craig Benckendorf 	

Final Response (Closing) 	
	
This item is still open. No final response to display.

   

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