Item 4BNeighborhood Sanitary Sewer Project – Change Order 8
Item 4B
Requested Action
Approve Change Order No. 8 with North Texas Contracting, Inc. in the amount of $479,539.00 for additional utility and drainage improvements associated with the Neighborhood Sewer
Program
Project Location Heatherwood, Royal Oaks, Twin Creeks
Sewer Line
8” Proposed Water line
Background Information
2001
Completed preliminary design engineering for the neighborhood sewer project
April 2008
Contract awarded for preparation of final plans and specifications
Pavement reconstruction of the neighborhood streets and East Dove Road from Lonesome Dove Rd to Kimball Ave added
12” Water line along Dove Road – meets City’s water master plan requirements
Sewer improvements along Pearson Road from Johnson Road to Gray Lane
Water, sewer, storm, and paving improvements for Primrose Lane
November 3, 2009
Construction contract awarded to North Texas Contracting, Inc.
Proposed Change Order No. 8
3,600 linear feet of 8” water line along N. Kimball Ave from E. Dove Road to the City limit line
Meets requirement of interlocal agreement with City of Grapevine dated July 9, 2009
Drainage Improvements (E. Dove Road / Hunter’s Creek)
Improving Safety Conditions
Drainage structure enclosed to provide a 3:1 slope and clear zone to remove potential hazard (steep ditch) for motorists along E. Dove Road
Transportation safety standards for design speed along E. Dove Road require minimum 10 foot clear zone to remove guard rail
Guard rail will be removed
Improving aesthetics
A total of 6 guard rails eliminated along E. Dove Road
Quantity adjustments for original contract to date
Proposed Change Order No. 8
Kimball 8” Water Line $ 367,070.00
Drainage Improvements $ 40,811.00
Quantity Adjustments $ 71,658.00
Total Change Order No. 8 $ 479,539.00
Financial Consideration
Original Contract $3,748,737.54
Change Orders No. 1-7 $ 878,824.43
Change Order No. 8 $ 479,539.00
Total Contract Amount $5,107,100.97
Questions: Bob Price 817-748-8097