McNALLY TUNNELING CORPORATION

[ ORGANIZATION ] [ CORP. PROFILE ] [ SAFETY ] [ SERVICES ] [ PROJECTS ] [ LINKS ] [ LOGIN ] [ FEEDBACK ] [ SEARCH ]

 

ALKI TRANSFER PROJECT

 

  

LOCATION:     Seattle, Washington 

OWNER:         King County Department of Metropolitan Services

OWNER’S CONTACT:

                        Marty Oatman, 821 2nd Avenue,

Seattle, Washington 98104

(206) 684-2010

 ENGINEER:  HDR Engineering Inc.

TUNNEL DIMENSIONS:10,200’ x 133” tunnel, Dewatering, slurry trench, concrete cylinder pile wall           

EXCAVATION METHOD:            Lovat Earth Pressure Balance TBM 159” 

TUNNEL INITIAL SUPPORT:      none 

TUNNEL FINAL SUPPORT:        Single pass pre-cast concrete segments 

GEOLOGY:                                Very hard, moist to wet clay

Contract Bid Price: $20,127,690

Change Orders: $1,957,918          

Duration At Bid: 720 Days 

Contract Final Price: $22,085,608       

Claim From Litigation: none        

Duration At Acceptance: 720  days

 

 

[ Home ] [ Up ]

Send mail to webmaster@mcnallytunneling.com with questions or comments about this web site.
Copyright © 2002 McNally Tunneling Corporation
Last modified: September 03, 2002