ST9801-CS 991206 (2)FAX 214) 352 -3201
TELEPHONE (214) 358 -6581
ED BELL CONSTRUCTION COMPANY
POST OFFICE BOX 540787
DALLAS, TEXAS 75354 -0787 10605 HARRY HINES
DALLAS, TEXAS 75220
December 6, 1999
Mr. Kevin C. Young, E.I.T.
Freese and Nichols, Inc.
1341 W. Mockingbird Lane, Suite 230E
Dallas, Texas 75247
Re: Coppell Road Reconstruction
SH 121 to Sandy Lake Road
Coppell Project #: ST 98 -01
Dear Mr. Young:
In accordance with our discussions at the November 18, 1999 progress meeting and subsequent
meetings in the field, we submit the following construction phasing traffic control plan for your
review and approval:
Phase 1: Detour traffic off of the section of Coppell Road from SH 121 to the Mansions
main entrance (STA 37 +63) and close that section of the roadway. Upon closure of that section
of the roadway, EBCC would excavate, lime stabilize, and pave that portion of the job and
reopen the road to traffic. The roadway would be closed for approximately six weeks. The water
line in that area must be laid and pass all tests prior to closure of the roadway.
Phase 2: The City has requested that we consider constructing of the multi - barrel box
culvert crossing in two stages rather than one stage while maintaining two way traffic on Coppell
Road. As a result, this phase will be comprised of two stages. Stage 1 will include construction
of a 20 feet detour at the existing elevation of the ground on the west side of the existing
roadway and shoring the edge of the roadway to allow for construction of the downstream
portion of the box structure. Elimination of the need for shoring will require that the detour only
handle one way traffic 0 0 feet wide). Stage 2 will include construction of a detour over the
newly constructed box and shoring that edge to allow for construction of the remainder of the
box structure. This phase will take three to four months to complete and can occur
simultaneously with phase 1. The additional cost for construction of the box in this manner is
$239,740.00. I have enclosed a breakdown of this cost for your review.
Phase 3: This phase will include construction of the western half of Coppell Road from
Sandy Lake Road to STA 37 +63. This portion of the project will be constructed while
maintaining one way traffic (north bound) from Sandy Lake Road to STA 39 +00 and two way
traffic from STA 39 +00 to the end of the project. This work will take approximately two months
to complete.
AN EQUAL OPPORTUNITY EMPLOYER
Page 2
Coppell Road Reconstruction
Re: Construction phasing/traffic control
Phase 4: This phase will include construction of the eastern half of Coppell Road from
Sandy Lake Road to STA 37 +63. This portion of the project will be constructed while
maintaining one way traffic (north bound) from Sandy Lake Road to STA 39 +00 and two way
traffic from STA 39 +00 to the end of the project. This work will take approximately two months
to complete.
Please inform our office of your decision regarding this construction phasing/traffic plan. If you
have any questions regarding this information, don't hesitate to contact our office.
Sincerely,
Ed Bell Construction Company
Robert D. Weber
Project Engineer
xc: Mr. Kent Collins, P.E., Engineering and Public Works, City of Coppell
255 Parkway Blvd., Coppell, Texas 75019 -4409
EXTRA COST BREAKDOWN FOR
TWO STAGE CONSTRUCTION OF THE BOX CULVERT
Stage 1
Dirt work for two lane detour (at existing grade)
$7,280.00
HMAC for detour surface (250 TNS) (1 OOOSY)
$18,930.00
Remove detour
$5,000.00
Striping for detours
$1,500.00
Shoring at box end and between box and road (2180 SF)
$54,300.00
Drainage through shoring
$2,180.00
Extra handling of dirt (2600 CY)
$15,800.00
Stage 2
Dirt work for detour $10,500.00
Provide and set CTB w/ end protection (300 LF) $10,800.00
Remove CTB w/ end protection $3,500.00
HMAC for detour surface (220 TNS)(890 SY) $17,250.00
Remove detour $4,000.00
Additional traffic control $12,000.00
Striping for detours $1,500.00
Labor/Equipment increase for decreased production $75,200.00
Total $239,740.00
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