HomeMy WebLinkAbout2017-06-05-J01O Alices Rd-I80 Interchange_Contract Modification 28► O Waukee
' f W1; THE KEY TO GOOD LIV9NG
AGENDA ITEM:
CITY OF WAUKEE, IOWA
CITY COUNCIL MEETING COMMUNICATION
MEETING DATE: June 5, 2017
AGENDA ITEM: Consideration of approval of a Contract Modification No. 28 to the Iowa
Department of Transportation for the 105"' Street/Alice's Road 1-80 Interchange
Project with a decrease in the contract of $2,099,87,
FORMAT: Resolution
SYNOPSIS INCLUDING PRO & CON:
Reason:
• Decrease:
o Bridge Mounted Sign Support, 3 Bracket, Steel
• Add Items:
o Lighting Connection; Bridge Signing; Additional Conduit to Bridge; 4: Conduit for
Signalization
FISCAL IMPACT INCLUDING COST/BENEFIT ANALYSIS:
Decrease the contract by $2,099.87
COMMISSIONBOARD/COMMITTEE COMMENT:
STAFF REVIEW AND COMMENT:
RECOMMENDATION: Approve Contract Modification No. 28 to the Iowa Department of
Transportation for the 105"' Street/Alice's Road I-80 Interchange Project with a
net decrease in the contract of $2,099.87.
ATTACHMENTS: I. Contract Modification 28
PREPARED BY: Beth Richardson/Rudy Koester�K
REVIEWED BY: John Gibson
PUBLIC NOTICE INFORMATION —
NAME OF PUBLICATION:
DATE OF PUBLICATION:
C4Contract Modification
5/23/20171:42 PM
Iowa Department of Transportation
Field Manager 5.3a
Contract: 25-0803-175, PCC PAVEMENT - GRADE AND NEW
Cont. Mod. Revision Cont. Mod, Net Change Awarded Contract Amount
Number Number Date
28 5/23/2017 $-2,099.87 $13,423,922.46
Route Entered By
HWY 1-80 (C31912) Jennifer Strunk
Contract Location
DALLAS IMN-080-3(175)119--0E-25
Short Description
Decrease Item, Add Items
Description of Changes
NON SUBSTANTIAL
Decrease Item:
0550 Bridge Mounted Sign Support, 3 Bracket, Steel
Add items:
('Lump Sum' Items) Lighting Connection
('Lump Sum' Item) Bridge Signing
('Lump Sum' Item) Additional Conduit to Bridge
('Lump Sum' Item) 4" Conduit for Signalization
Increases[ Decreases
Project: 25-0803-176, 140819 009 NTF WAIT
Category: 0001, N:RCADWAY ITEMS
Item Description Item Code Prop.Ln. Item Type Unit Quantity Chg. Unit Price Dollar Value
BRDG-MOUNT SIGN SUPPORT,3 2423-9070013 0550 ORIGINAL EACH -2.000 8,100.00000 $-16,200.00
BRACKET, STEEL
Reason: The bridge sign was modified and mounted with stiffeners instead of using the bridge brackets in the plans because the sign
wouldn't fit per plan on the barrier rail.
Subtotal for Category 0001: $-16,200.00
Subtotal for Project 25.0803.175: $-16,200.00
New Items
Project: 25-0803-175, 140819 009 NTF
Category: 0001, N:ROADWAY ITEMS
Item Description Item Code Prop.Ln. ItemType Unit Proposed City. Unit Price Dollar Value
('LUMP SUM' ITEM) Lighting Connection 2599-9999010 1901 SUPPLEMENT LS 1.000 4,875.20000 $4,875.20
Reason: Contractor moved electric service from control cabinet to a utility service hand hole as required by the Utility Company. All
prices for the new items include the Prime Contractor Markup of 10%.
Justification of Costs: Prices are reasonable for the amount of work involved.
Contract: 25-0803-175 Cont. Mod.: 28 Page 1 of 2
CMJ Contract Modification
5/23/2017 1.42 PM
Iowa Department of Transportation
Field Manager 5.3a
New Items
Project: 25-0803-175, 140819 009 NTF
Category: 0001, IN: ROADWAY ITEMS
Item Description Item Code Prop.Ln. ItemType Unit Proposed Qty. Unit Price Dollar Value
('LUMP SUM' ITEM) Bridge Signing 2599-9999010 1906 SUPPLEMENT LS 1.000 3,756.50000 $3,756.50
Reason: The Bridge sign was modified and mounted with stiffeners instead of using the bridge brackets in the plans because the sign
wouldn't fit per plan on the barrier rail. All prices for the new items include the Prime Contractor Markup of 10%.
Justification of Costs: Prices are reasonable for the amount of work involved.
('LUMP SUM' ITEM) Additional Conduit 2599-9999010 1911 SUPPLEMENT LS 1.000 2,870,56000 $2,870.56
Reason: Connection of a second conduit to a hand hole from each corner of the bridge was installed for future installations. All prices
for the new items include the Prime Contractor Markup of 10%.
Justification of Costs: Prices are reasonable for the amount of work involved.
('LUMP SUM' ITEM) 4" Conduit for 2599-9999010 1916 SUPPLEMENT LS 1.000 2,597.87000 $2,597.87
Signals
Reason: Measured length of the 4" conduit was 680 L.F. and plans called for 490 L.F. All conduit was paid for under the Traffic
Signalization item so a new item needs to be added. All prices for the new items include the Prime Contractor Markup of 10%.
Justification of Costs: Prices are reasonable for the amount of work involved.
Subtotal for Category 0001: $14,100.13
Subtotal for Project 25-0803-175: $14,100.13
When authorized, the contractor agrees to perform the work outlined above in accordance with provisions of the contract
documents.
Contract: 25-0803-175 Cont. Mod.: 28 Page 2 of 2