HomeMy WebLinkAboutC2006-408 - 9/12/2006 - Approved
CHANGE ORDER
Department of Engineering Services
City of Corpus Christi, Texas
CHANGE ORDER NO:
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PROJECT NO: 7335
CONTRACT TIME:
180 C.D.
Operating Department:
Wastewater
DATE: September 1, 2006
Name of ProJect: SANITARY SEWER MANHOLE REPLACEMENT
OLD BROWNSVILLE ROAD/ OMAHA DRIVE
Contractor: BIG STATE EXCAVATION, INC.
CHANGE
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DEDUCT
ADD
IbIm A9 24H PVC Sanitary Sewer Gravity Main
55 L.F. @ $500.00 per L.F
27,500.00
IbIm A13 Trench Safety for Excavations
31 L.F. @ $2.00 per L.F
62.00
I~ Al6 Wellpointing
450 L.r. @ $30.00 per L.F
13,500.00
I~ AA2 Trench Safety for Excavations
50 L.F. @ $20.00 per L.F
1,000.00
Item ~7 Removal of Concrete Cradle from
under 42" Line
1 Lump Sum
21,548.45
I~ Ale Additional depth of Manhole #9905
1 Lump Sum
24,983.78
I~ ~9 Removal of Grout in 42" line
upstream of MH 9901 to install bypass plug
1 Lump Sum
23,978.43
I~ A20 Allowance for Point Repair including
all labor, equipment, material, bypass
p~ing, traffic control, and pavement
repair.
1 Lump Sum
128,000.00
T~ ADD AND DEDUCT
TOIIU. NET CHANGE - ADO
240,572.66
240,572.66
Why was this change necessary? If left off the plans and specifications, explain
why)
of these items was overrun. The
to the existing sewer lines at the
New I~ Al7 After excavation of Manhole 9905 and the upstream line, a concrete cradle
2006-408 xisting line. This cradle was not shown on any of the plans
09/12/06
M2006-295
Big State Excavation
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for the exiscng lIne. Remova~~J:_;l~~ line was necessary to replace the damaged FRP
~.
New It.. Ala Flowline manholes were taken prior
of the lans. Prior to work be innin on this manhole it continued to
extra efort to excavate the old manhole and install the new manhole.
---- ..---...--------
New I~ Al9 During the installation of the bypass plug in MH 9901, grout was
discovered in the flowline of the pipe. Removal of this grout was necessary in order
to properly install the bypass plug so that work could proceed.
New It.. A20 During initlal attempts to clean and televise the 27" diameter line
segment between MHs 10367 and 10359 (Old Brownsville Road west of Omaha), a
significant amount of infiltration and sand was encountered. This is indicative of a
large ojening in the line and a potential for a cave-in. Once the location of the
source of the infiltration is pinpointed by the televising, a point repair will
required. At this point the extent of the repairs is unknown. An allowance is being
established for this work.
How can
These c
future?
round utilities
the exact nature
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the
A. CONTlACT PRICE........ ...... ....... $
B. TOTAL CHANGE ORDER (inc. current) .. $
C. NEW ClkJIIbACT PRICE. . .. ............ $
D. THIS CHANGE ORDER........... ....... $
E. PER*T TOTAL CHANGE (B/A) . . .. . .. . .
F. PREVIOUS ADDN' L TIME AUTHORIZED... .
G. ADDN'L CONTRACT TIME THIS CHANGE ORDER
H. TOTAL ADDITIONAL TIME..............
1,093,730.00
263,153.66
1,356,883.66
.240,572.66
24.06%
5 C.D.
40 C.D.
45 C.D.
pp
Project Engineer
CITY OF CORPUS CHRISTI, TEXAS
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By: ~,4~ ~ ~J~
If ~i ty Engineer
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Title:/~ ~MJ&tet1
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APPROV8~~'~'~~;:~ '~~a~in9 Department
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Director of Management , Budget
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c;Ji t:y l.lan6.far
~- City Secretary
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