Go to: Message List•New Topic•Search
SF Central Subway tunnel-boring phase reaches milestone
Author: WebDigger
Date: 06-16-2014 - 15:29

"On first impression of Big Alma’s breakthrough Wednesday [June 11] using a laser device, survey manager Klaus Herbert, 48, could tell that tunnel boring alignment came within an inch of the design. Any deviation on the tunnel had to be less than four inches.

“They’ve set a new standard was set for tunnel boring,” Fowler said."

[www.sfexaminer.com]

Navigate: Previous Message•Next Message
Options: Reply To This Message•Quote This Message


Subject Written By Date/Time (PST)
  SF Central Subway tunnel-boring phase reaches milestone WebDigger 06-16-2014 - 15:29


Go to: Message List•Search
Subject: 
Your Name: 
Spam prevention:
Please, enter the code that you see below in the input field. This is for blocking bots that try to post this form automatically.
 **     **  **         **    **  ********    ******  
 **     **  **    **    **  **   **     **  **    ** 
 **     **  **    **     ****    **     **  **       
 **     **  **    **      **     ********   **       
  **   **   *********     **     **         **       
   ** **          **      **     **         **    ** 
    ***           **      **     **          ******
This message board is maintained by:Altamont Press
You can send us an email at altamontpress1@gmail.com