CM-2019-0072 - 3/15/2019Ir
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` Contract Quantity Adjustment/ Change Order
Department: Utl dies and Environmental Sery ces
Project
Name: Dry Branch Tributaries Channel Improvements Date; 2/191I9
City Project Change Order/Quantity
ID Number DRYER Adjustment No, 4
Vendor Chasco Constructors P.O. Box 1457 Round Rock, TX 78680 512-244-0600
Company Name Address Phone N4,
Justification
1.) Additional Cost for Gravity Wal: Foundation 2.) (Ity. Adjustement for PTRM at Gravity Wall Toe 3. )Extension of Gravity Wall French Drain 4.) Reach One addition of Soil
Retention Blanket and re-hydromulch
SUMMARY
Original Contract Price
Previous Quantity Adjustment(s)-
This Quantity Adjustment.
Total Quantity Adjustment(s),
Total Contract Price with Quantity Adjustrnen4s).
Previous Change Order(s).
This Change Order:
Total Change Order(s) To pate:
Adjusted Contract Price (Origna) Contract Price FusQuant+tyAdjustment(s)Rus
Change Order(s)):
Difference between or ginal and Adjusted Contract Prices:
Original Contract Time:
Time Adjustment by previous Quan. Adj./Change Order:
Time Adjustment by this Quan. Adj./Change Order:
New Contract Time:
S bmltlt90_JqI-;ApFr9v4I:
Change
-$15,559,DO
$960.00
$1,313,453.00 I
$71,819.00 5.47%
$20,079.00 1.53%
$91898, DO 7.00%
$1,405,351.0D1",
- t
;77,299.00
240
48
Substantial Due @
30 End of March 2019
Flan) Due 01) End of
318 Anrti PrIta
Manager, CORR 2/19119
Signature Printed Name, Title, Company Date
.. _ Approvals —
Contractor: r f r 6
Signature Printed Name, Title. Company bate
City Project
Manager: _ I�, Federico Sanchez Project Mana r CORR _. 21 Up
Date
nture Printed Name, Title
III'
/ y1r Y /FrfiL L 1r 7 %S —n
Mayor/Mayor/Cityy
ManaaerJ�[(/!'f(� fif - if .7
v6 -7 Z
Parc 2 or 3
Contract Quantity Adjustment/ Change Order
Project Name. Ary Branch Tributaries Channel Improvements
Quan, Adj.JChange Order No,,.
Change Order Data
Item Description
Unit
Unit Price
Amount
Contract
Time Adjustment
(Days)Item
Gravity Wali Foundation - Boz Filter Fabric Wrap
5Y
448
$1.69
$757.50
Gravity Wall Foundation - Georgrid Cd 12" Vertical Altemating
Spacing
SY 1
768
$2.50
$1,922.50
OV&P (Far Items Above)
LS
1
$402.00
$402.00
14
Extension of Wali French Drain, Add Set
LS
1
$1,361.00
$1,361.00
2
$0.00
Reach 1 - Soil Retention Blanket Gass 2 - Type E "Flexible
22 Channel Liner"
5Y
6515
51.50
$9,772.50
14
24 Reach 1 - Native Seeding
SY
6515
$0.90
$5,863.50
$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
T A
I
Contract Quantity Adjustment/Change Order
..
mum ROCK
Project Name; Dry Branch Tributaries Channel Improvements
Quan, Adj./Change Order No
duantity Adjustment Data
Contract
Time Adjustment
Bid Item # Item Description Unit qty- Unit Price Amount (Days)
31 Permanent Turf Reinforcement Mattin2 5Y 120 $8.00 $960.00
$0.00
$0.00
S0.00
$0.00
$0.00
50.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$13.00
$0.00
$0.00
$13.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
$0.00
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utaries Channel Improvements c�� `°`'�
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� '<A'-- Agenda Item Summary
Agenda Number:
Title: Consider executing Quantity Adjustment/Change Order No. 4 with Chasco
Constructors for the Dry Branch Tributaries Channel Improvements Project.
Type: City Manager Item
Governing Body: City Manager Approval
Agenda Date: 3/15/2019
Dept Director: Michael Thane, Director of Utilities and Environmental Services
Cost: $21,039.00
Indexes: 2014 Drainage Revenue Bonds
Attachments: QA -CO No. 4.pdf, LAF.pdf, MAP.pdf
Department: Utilities and Environmental Services
Text of Legislative File CM -2019-0072
The Dry Branch Tributaries Channel Improvements project is located north of Gattis School
Road near the Joyce Lane and Ray Berglund Boulevard residential neighborhoods. The Dry
Branch Tributaries Channel Improvements project will provide improvements for a portion of Dry
Branch and an unnamed tributary to Dry Branch. The project will provide conveyance
improvements for flood control and will correct erosion and protect City wastewater
infrastructure.
Quantity Adjustment/Change Order No. 4 includes the cost for additional work and materials for
the proposed gravity block wall, due to an addendum to the original design. This change order
also includes the addition of soil retention blanket for additional armoring of the Reach 1
channel section of the project, along with native seeding for erosion control and a quantity
adjustment for item #31 PTRM. Change Order No. 4 is for $20,079, plus a quantity adjustment
cost of $960 for a total cost of $21,039. This change order includes the cost of labor, additional
materials, and equipment for the work. The total contract amount will be adjusted to $1,405,351.
Staff recommends approval.
Cosi: $21,039
Source of Funds: 2014 Drainage Revenue Bonds.
City olRound Rock Page Z Pdnted on JH&2of9