CM-2018-1805 - 8/3/2018Page] of 3
Contract Quantity Adjustment/Change order
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Department: Utilities and Environmental Services
Project
Name: ParkFreid Circle Culvert Rehabilitation Date: 7120/18
City Project Change Order/Quantity
ID Number WDPRK Adjustment No. 2
Vendor National Power Rodding Corporation 9810 FM 969; Austin Texas 78724 512-928-1420
Company Name Address Phone No.
3ustification
=mal quantities adjustment.
5UMMAKY
Amount 0& Change
Original Contract Price:
$14x.575.40' i_
7
Previous Quantity Adjusbnent(s):
$18,18750:
This Quantity Adjustment:
-$2,81750
Total Quantity Adjustment(s);
$15,370.00
w
Contract Price with Quantity Adjustment(s):
5:0 iTotal
$207,94
Previous Change Order(s):
$12,469.20 6%
This Change Order:
$6,805.00 3%
Total Change Order(s) To Date:
$19,274.20 9%
Adjusted Contract Price [Original Contract Price Plus
QuantityAdjustment(s) Plus Change Order(s)j:
$2271219.60
— ±
Difference between Original and Adjusted Contract Prices:
$34,644.20
Original Contract Time.
75
Time Adjustment by previous Quan. Adj,/Change Order:
8
Time Adjustment by ails Quan. Adj./Change Order.
8
New Contract Thee:
91
Daniel Lynn Hakien, P.E., Qty
Printed Name, Title, Company
f of Round Rock 7/23/1
Contractto Fabian Castel Vire Preslden National Power Rodding Corp. 7
Signature Printed Name, Title, Company I DA
Ci Proj
Ma _ _ Daniel Lynn Hakien, P.E., CityEmineer. Cltv of Round Rock
Mayor/City ll i , f . , v fT, / i, I / . =
Signature tj Printed Name, Title
0 M, 2 tY d, � I W S-
V -3//t
Contract Quantity Adjustment/Change Order
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Project Name: Parkfield Circle Culvert Rehabilitation
Quan. Adj./Change Order No.: 2
Order Data
Item * I Item Description I Unit
Unit Price I Amount
Note: The items B-2, B-3, B-4, B-5, and D-3 shown above were previously added by
Quantity Adjustment/Change Order No. 1. The quantities shown for these items
under Quantity Adjustment/Change Order No.1 are being adjusted in this
Quantity Adjustment/Change Order No. 2 -
Page 2 of 3
Contract
Time
Adjustment
Page 3 of 3
P-0 "— Contract Quantity Adjustment/Change Order
^01A6.
Project Name: Parkfield Circle Culvert Rehabilitation
Quan. Adj./Change Order No.:
Ouantity Adiustment Data
Bid Item #
Item Description
Unit
Qty.
Unit Price
Contract
Time
Amount Adjustment
3
9
Install new railing_L.F.
25
$104.50
$2,612.50
10
CMP Invert repair
S.F.
-25
$150.00
-$3,750.00
11
Fill voids around CMP
C.F.
-11
$80.00
-$880.00
AA1-2
CMP Invert repair
S.F.
-40
$20.00
-$800.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$2.817.501 0
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City of Round Rock
Rouruo Raerc
Agenda Item Summa
ry
Agenda Number:
Title: Consider executing Quantity Adjustment/Change Order No. 2 with National
Power Rodding Corporation for the Parkfield Circle Culvert Rehabilitation
Project.
Type: City Manager Item
Governing Body: City Manager Approval
Agenda Date: 8/3/2018
Dept Director: Michael Thane, Director of Utilities and Environmental Services
Cost: $3,987.50
Indexes: 2014 Drainage Revenue Bonds
Attachments: LAF - Quantity Adjustment -Change Order #2 with National Power Rodding
carp - Parkfield cir Culvert Rehab (00406152xA08F8).pdf, QA -CO Parkfield
Cicrle Culvert Rehab_pdf, ParkfeldLocation_Map.pdf
Department: Utilities and Environmental Services
Text of Legislative File CM -2018-1805
Consider executing Quantity Adjustment/Change Order No. 2 with National Power
Rodding Corporation for the Parkfield Circle Culvert Rehabilitation Project.
The Parkfield Circle Culvert Rehabilitation project is being performed to provide
rehabilitative and preventive measures to extend the useful life of the deteriorated
corrugated metal pipe culverts that were installed under Parkfield Circle and Hampton
Lane during development of the Windy Park residential neighborhood in the mid -1980's.
Quantity Adjustment/ Change Order No. 1 (QA/CO No. 1) added preventive maintenance
for culverts under Breezy Court
and for the upstream end of culverts under Gattis School Road to the original contract; and
adjusted the contract for quantities known at that time.
This project, coupled with previous projects, completes the rehabilitation and preventive
work for the entire length of concrete -lined channel traversing through Windy Park from Dell
property to Gattis School Road.
Quantity Adjustment/ Change Order No. 2 (QA/CO No. 2) is for the adjustment of final
quantities. During the work, it was determined that less filling of voids was required around
City of Round Rock Paige 1 Printed on 8/3/2018
Agenda Item Summary Continued (CM 2018-1805)
the culverts at Parkfield Circle and more filling of voids was required around the culverts at
Breezy Court and at the upstream end at Gattis School Road than originally surmised.
Also, it was determined that point repairs to culvert inverts at Parkfield Circle, Hampton
Lane, and Breezy Court were not required; and additional railing was required at Parkfield
Circle. These adjustments are reflected in QAICO No. 2.
The original contract amount of $192,575.40 was increased $30,656.70 by QA/CO No. 1;
$18,187.50 for quantities adjustment and $12,469.20 for added/deleted items by change
order. QA/CO No.2 will increase the amended contract amount by $3,987.50; a change
order increase of $6,805 and a quantity adjustment deleting $2,817.50, for an adjusted
total contract amount of $227,219.60. The final contract total reflects adjustment of
$15,370.00 to original contract item quantities and $19,274.20 by change order; the final
total change order amount is 9.27% of the contract.
Staff recommends execution of Quantity Adjustment/Change Order No. 2.
Cost: $3,987.50
Source of Funds: 2014 Drainage Revenue Bonds
City of Round Rock Page 2 Pdnted on 8/3/2018