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CITY OF RENTON Page 1 of 1
Public Works Department
CHANGE ORDER NO. 13
CONTRACT CHANGE ORDER AGREEMENT
CONTRACT: South Lake WA Roadway Improvements (Garden Ave. Widening) CAG -12 -021
CONTRACTOR: ICON Materials
DATE: March 13, 2013
SUMMARY OF PROPOSED CHANGE:
Reason /Justification: After construction of the concrete pavement widening on the east side of Garden Ave. N., it was observed that the
flat grade of the street created three "bird bath" locations. Curb cuts were constructed at these three locations (Sta. 40 +83, Sta. 41 +55 and
Sta. 43 +85) to facilitate drainage (See RFI #20). It was determined by the City that permeable aggregate should be installed at the back of
curb to disperse the runoff at these particular locations. See attached detail for proposed installation of "permeable aggregate" between N.
10th St. and Lowe's driveway.
Contract Change: This work is to be performed on a force account basis with complete force account sheets signed by the City s
representative on the day the work occurs. The Contractor shall submit force account sheets, corresponding invoices and required
supporting documentation. Rental equipment shall be paid for by invoice and fuel shall be paid for separately. If Contractor -owned portable
changable message sign (PCMS) is used, payment shall be per bid item.
Add the followinq quantities to existinq bid item plan quantities in the schedule of prices.
Item
Approx.
Units
Description
Unit Price
Amount
No.
Quanti
112A
1 1
EST
I Permeable Aggregate for Drainage
1 $ 15,000.00
$ 15,000.00
Subtotal: $ 15,000.00
Washington State Sales Tax (9.5 %): $ 1,425.00
Total this Change Order (Subtotal Plus Sales Tax): $ 16,425.00
Working Days:
No additional working days are granted to complete this work.
All work, materials and measurement to be in accordance with the provisions of the Standard Specifications
and Special Provisions for the type of construction involved.
ORIGINAL CONTRACT
AMOUNT
CURRENT CONTRACT
AMOUNT
ESTIMATE NET CHANGE
THIS ORDER
ESTIMATED CONTRACT
TOTAL AFTER CHANGE
$1,968,690.65
$2,009,815.76
$16,425.00
$2,026,240.76
SIGNATURFS,
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SOILS AND AGGREGATES
Gradation and curve report
Pro, ct : QC -2012 , Quality Control Testing Client: ]con Materials
Contract / Lot :
Supplier /Site: Auburn Pit A464 - Auburn; WA i Auburn Pit.
Geological stage: Quantity (ton): 0
Testingal a'b : ICON MATERIALS QC
r Sampling
Sampled by: James Weisinger Sample No.: 2012AA.
Usage: Miscellaneous• Reference No.:
Grading: Permeable Ba'llasL W..S.D.O.T. 2 1/2" Sampling date: 02/07/2012 10:00
Sampling location: BANK SAMPLE ;Receiving date: 02/0712012
Sieve Analysis ASTM, G 136
Cumulative
Specifications
Cumulative
Specifications °-
Min —Max
Sieves
%Passing
Min Max Sieves
%Passing ?
2" 1/2 '
100
99 f
100
_
;
2 "
3/4"
4
96
74
2
65
40
i
100
80
5
s
100
1
2
j
T 200 !
1
j
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loo
GRADING
CHART
Washing 1 Cleanliness
Standard
so
s0
Moisture Content
Standard
70
so
t6 ''0
40
Fineness Modulus
Standard
CZ (Curvature Coefficient)
CU (Uniformity Coefficient)
1.031
2.563
—
Dt0:6.333 D30:10.292 D60:16.229
30
20
Remarks: Single Face Fracture = 86%
10-
0
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lh
N r
N
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Sieve
opening
(in)
* =
Non compliant
Reported by: Joel Ross Date :02/07/2012 Verified by:
SG022