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FINAL CONTRACT BALANCE
RETENTION REDUCTION
ATE. December 3, 2013
PROJECT: National City Street Resurfacing and Concrete Improvement
Project
Specification No. 12-06
TO:
Kock -Armstrong General Engineering Inc.
P.O. Box 1190
Lakeside, CA 92040
ORIGINAL CONTRACT AMOUNT: S 657,679.24
START DATE: 11/19/2012
COMPLETION DATE: 8/28/2013
ORIGINAL CONTRACT LENGTH: 90 Working Days
EXTENTION OF WORK DAYS: 6 Months, 10 Days
TOTAL CONTRACT TIME: 9 Months, 10 Days
DESCRIPTION:
This Final Contract Balance reports final line item amounts and summarizes all changes
to produce a final contract amount. Please see Attachment "A" to this Final Contract
Balance.
CHANGE ORDERS AND LINE ITEM ADJUSTMENTS:
Change Order #1 provided for the reduction of line items #7 Remove and Replace 4"
PCC Sidewalk, #14 Furnish and install 2" Conduit Sweep due to a clerical error on
addendum #3. This Change Order does not change any line item prices. This Change
Order decreased the total contract amount by $31,270.00. (This amount was already
included as part of the Original Contract at time of award).
Change Order #2 provided for the removal of the specification for perform thermoplastic
from Line Item#11. This Change Order will replace the installation of four (4)
thermoplastic checkered cross -walks with the installation of one (1) thermoplastic cross-
walk under Line Item#12. This Change Order decreased the total contract amount by
$41,660.00. (This amount was already included as part of the Original Contract at
time of award).
FINAL CONTRACT BALANCE
Resurfacing and Concrete Improvement Project
Specification No. 12-06
Change Order #3 provided for the removal and replacement of 272 SF of concrete
driveway at 30th Street, west of Harding Avenue, This Change Order increased the total
contract amount by $3,944.00.
Change Order #4 provided for the required repair of the existing D-25 on the North Side
of Plaza Boulevard between D Avenue and Highland. This Change Order increases the
total contract amount by $1298.54.
Change Order #5 provided for the installation of striping, street markings, and stop signs
at various locations throughout the city. This Change Order increased the total contract
amount by $18,711.58.
Change Order #6 provided for the removal of tree -roots and removal and replacement of
4" asphalt on G Avenue north of 24th Street. This Change Order increased the total
contract amount by $3,824.08
Change Order #7 provided for the addition of No.4 rebar 24" from center for the G-17
ally aprons on C Avenue between 16th and 20th streets. These alleys require greater
structural stability due to high usage from trash trucks and other larger vehicles. This
Change Order increased the total contract amount by $1,127.14.
Change Order #8 provided for the removal of line item #3, REAS Flex Seal, Plant Mix,
and replace it with lump sum item for 1.25" header cuts and placement of 1.25" Warm
Mix Overlay on Mile of Cars Way from National City Boulevard to 135 feet west of
Wilson Avenue. This Change Order increased the total contract amount by $47,888.36.
Change Order #9 provided for the removal and replacement of the "Do Not Enter" and
"One Way" signs at B Avenue and 21st Street which are not on acceptable standards.
This Change Order increased the total contract amount by $488.32.
Change Order #10 provided for the change and update of the striping on 8th Street
between Rachel Avenue and Olive Avenue in accordance with the overall striping and
traffic plan for 8th Street. The asphalt for this section of 8tr Street is also showing signs
of wear and cracking and should be sealed prior to the new striping to ensure maximum
life for the existing asphalt street section. This Change Order increased the total contract
amount by $37,743.25.
Change Order #11 provided for the required repair of the asphalt at Alpha Street from
Palm Avenue to Beta Street. As this work is the same scope and character as the original
contract, the Engineering Department requested that this work be completed as a change
order addition to the Contract. This Change Order increased the total contract amount
by $49,959.80.
Page 2
FINAL CONTRACT BALANCE
Resurfacing and Concrete Improvement Project
Specification No. 12-06
Change Order #12 provided for a reflection to the adjustments to the original contract
base bid. This Change Order does not change the total contract amount of the project.
Line Item #2, "Cold Milling", was increased 500 SF for an increase in the total contract
amount by $1,750.00.
Line Item #4, "6" Asphalt Concrete Dig -outs and Replacement", was decreased 31.82
Tons for a decrease in the total contract by $3,683.16.
Line Item #7, "Remove and Replace 4" PCC Sidewalk", was decreased by 909.5 SF for a
decrease in the total contract amount by $3,550.00.
Line Item #8, "Remove and Replace 6"-8" Curb and Gutter", was decreased by 42.5 LF
for a decrease in the total contract amount by $1,785.00.
Line Item #10, "Remove and Replace Traffic Loops", was increased by 2 units each for
an increase in the total contract amount by $640.00.
Line Item #14, "Furnish and install 3" PVC Conduit", was decreased by 275 LF for a
decrease in the total contract amount by $7,328.75.
Line Item #15, "Furnish and install 2" Conduit Sweep", was decreased by 8 units for a
decrease in the total contract amount by $5,120.00.
Line Item #17, "Furnish and install Pull Rope", was decreased by 1,100 LF for a
decrease in the total contract amount of $1,177.00.
Line Item #19, "Furnish and install #5 Pull Box", was decreased by 2 units for a
decrease in the total contract amount of $748.00.
Line Item #21, "Remove and Replace 4" PCC Sidewalk", was increased by 1,059 SF for
an increase in the total contract amount of $6,565.80.
Line Item #22, "Install Root Barriers", was decreased by 660 LF for a decrease in the
total contract amount of $7,821.00.
Line Item #23, "Remove and Replace 6"-8" Curb and Gutter", was decreased by 1,723
LF for a decrease in the total contract amount of $63,751.00.
Line Item #24, "Remove and Replace PCC Driveway was increased by 1,903 SF for an
increase in the total contract amount of $27,593.50.
Line Item #25, "Remove and Replace Cross -Gutter", was decreased by 1,238 SF for a
decrease in the total contract amount of $20,179.00.
Page 3
FINAL CONTRACT BALANCE
Resurfacing and Concrete Improvement Project
Specification No. 12-06
Line Item #26, "Remove and Replace Pedestrian Ramps", was increased by 12 units for
an increase in the total contract amount of $31,440.00.
Line Item #27, "Tree Removals with Stumping", was increased by 3 units for an increase
in the total contract amount of $3,390.00.
CONTRACT ADJUSTMENT:
As a result of the above change orders, the contract price is adjusted as follows:
1. The final contract price is adjusted to $719,939.61.
This document and its purpose to balance payment shall be considered full compensation
for furnishing and installing the materials, labor, tools and equipment, profit, overhead,
and all incidentals for performing the work described above. Koch -Armstrong General
Engineering, Inc. will not be entitled to damages or additional payment for delays as
described in the 2010 edition of the Standard Specifications for Public Works
Construction, Section 6-6.3, for performing the work as described above.
Page 4
City of National City
National City Street Resurfacing and Concrete improvement Project
Specification No. 12-06
Final Billing Statement
October 2, 2013
Thrs Barrio
To Date
No.
Item e a
UnitQuantity
Unit Price
Amo'mt
Quantity
Amount
Quantity
Amount
Quantity
Amount
Cty. (Delta)
Prim (Delta)
HASE BID "A" - MILE OF CARS WAY
1
Mobilization/Demobilization
LS
1
3,509.00
3,500.00
0.60
2,100.00
C40
1,40000
1.00
3,500,00
-
-
2
Cold Milling
SF
100
3,50
350,00
-
-
600 OD
2,100 00
600.00
2,100.00
500.00
1,750.00
3
REAS Flex Seal, Plant Mix
GAL
11,500
6.40
73,6130.00
11,500.00
73,600.00
-
11,500.00
73,600.00
-
-
4
6" Asphalt Concrete Dig -outs and
Replacement
TON
1,600
115.75
185,200,00
1,568.18
181,516.84
-
1,568.16
181,516.84
(31.82)
(3,683.16)
5
Remove Unsuitable Sub -Grade and Replace
with CMB and Gee -Fabric
TON
1,000
48.10
48,100.00
-
-
-
-
-
(1,000.00)
(48,100.0D)
8
Crack Filling and Weed Abatement
57
12,678
0,58
7,469.24
-
-
-
-
-
(12,878.00)
(7,469.24)
7
Remove and Replace 4' PCC Sidewalk
SF
1,200
7.10
8,520.00
290.50
2,062,55
290.50
2,062.55
(909.50)
(6,457.45)
6
Remove and Replsoe 6-8" Curb and Gutter
Lt
160
42.00
6,720.00
117.50
4,935.00
-
117.50
4,935.00
342.50)
(1,785.00)
9
Remove and Replace Cross -Gutter
SF
90
22.00
1 980.00
-
-
_
-
-
-
(90.00)
(1,980.00)
10
Remove and Replace Traffic Loops
E\
52
320,00
16,640.00
-
-
54 00
17,280 00
54.00
17,280.00
2.00
640.00
11
Remove and Replace Striping, Pavement
Markings, and Markers
Lil
1
26,380.00
26,330.00
1.00
26,380.00
-
1.00
26,380.0D
-
12
Install Four (4) Therrnoplastic Checkered
Cross -Walks (Intersection of Mile of Cars Way
and National City Blvd)
Lit
1
11 830.00
11,030.00
-
-
1 00
11,630 06
1.00
11,830.00
13
Provide 30 x 30 Signs
Ea
4
310.00
1,240.00
-
-
4 00
1,240 CO
4.00
1,240,00
-
-
14
Fumish and Instal! 3" PVC
LIr
1,100
26.65
29,315.00
825,00
21,986.25
-
625.00
21,986.25
(275.00)
(7,328.75)
15
Fumish and Instal' 2" Conduit Sweep
E>,
12
640.00
7,680.00
4.00
2,560.00
-
4.00
2,560.00
(8.00)
(5,120.00)
i6
Relocate Existing Signal Interconnect Cable to
New Conduit Run
LS
1
4,263.00
4,2.53.00
1.00
4,263.00
-
1.00
4,263,00
_
17
Fumish and Install Pull Rope
LI'
2,000
1.D7
2,140.00
900.00
963.00
900.00
963.00
(1,100.00)
(1,177.00)
18
Fumish and Instal[ #6 Pull Box with Extension
EA
3
427.00
1,281 00
3.00
1,281,130
3.00
1,281.00
-
-
19
Fumish and Install #5 Pull Box
EA
5
374.00
1,570.00
7.00
2,618.00
-
7.00
2,618.00
2.00
748.00
RASE BID "B" - CDBG CONCRETE
-
-
-
-
-
20
Mobilization/Demobilization
L13
1
1,500.00
1,500.00
1.00
1,500.00
-
1.00
1,500.00
-
-
21
Remove and Replace 4" PCCSidewalk
S=
5,765
6.20
35,743.00
6,824.00
42,308.80
-
6,824.00
42,303.80
1,059.00
6,555.60
22
Install Root Banners
11=
900
11.85
10,665.00
40.00
474.00
200 00
2,37000
240.00
2,844.00
(660.00)
(7,821.00)
23
Remove and Replace 6-8" Curb and Gutter
Li=
2,210
37.00
81,770.00
48700
18,019.00
-
487.00
18,019.00
(1,723.00)
(63,751.00)
24
Remove and Replace PCC Drnveway
SF
120
14.50
1,740.00
2,023.00
29,333.50
-
2,02300
29,333,50
1,903.00
27,593.50
25
Remove and Replace Cross -Gutter
S7
1,710
16.30
27,873.00
472.00
7,693.60
-
472.00
7,693.60
(1,238.00)
(20,179.40)
26
Remove and Replace Pedestrian Ramps
EA
20
2,620.00
52,400 00
32.00
83,840,00
-
32,00
83,840.00
22.00
_ 31,440,00
27
Tree Removals with Stumping
EA
7
1,130.00
7,910.00
10.00
11,300.00
-
10.00
11,300.00
3.00
3,390.00
CHANGE ORDERS
1
Reduction of Line Items Nos. 7, 14, 15
Li
1 -
-
-
-
- -
-
-
(1.00)
2
Reduction in Line Item Nos. 11, 12
L3
1 -
-
-
-
-
-
-
(1.00)
-
3
Access Driveway
Li
1' 3,944.00
3,944.00
100
3,944.00
-
1.00_,
3,944.00
-
-
4
D-25 @ Plaza
L3
1 1,298,54
1,295.54
1.00
1,298.54
-
1.00
1,298.54
-
-
5
Striping (6 locations)
L3
1 18,711.58
18,711.58
1.00
18,711.55
-
1.00
18,711.58
-
-
6
TSM - G Street
L3
1
3,824.08
3,824.08
1.00
3,824.08
-
1.00
3,824.08
-
-
7
Reberin Alleys
LS
1
1,127.14
1,127.14
1.00
1,127.14
-
1.00
1,127.14
-
-
8
Warm Mix Overlay on Mile of Cars
L3
1
47,888.36
47,888.36
1.00
47,888.35
-
1.00
47.888.36
-
-
9'
T&M Signs
LS
1
488.32
488.32
1.00
488.32
-
1.00
488.32
-
-
10
Fumish and place REAS on 8th St
LS 1
37,743.25
37,743.25
1.00
37,743.25
1.00
37,743,25
-
-
11
Alpha Street Repair and REAS
LS 1
49,959.80
49 S59.80
1 0D
49,959 80
1.00
49,959.80
-
-
"Changed from C08
TOTALS:
822 864,31
633,759.81
86.179 86
719,9313 61
(102,724.71)