HomeMy WebLinkAboutLodge Construction - FY21 Wesdate Bioswale, CO #4 - 5.1.2023CITY OF WATERLOO, IOWA
CHANGE ORDER NO. 4
PROJECT: F.Y. 2021 WESTDALE BIOSWALE
CONTRACT NO. 997 Date Prepared: APRIL7, 2023 AMOUNT: $66,570.00 INCREASE
TO: LODGE CONSTRUCTION INC. , Contractor
You are hereby ordered to make the following changes from the plans and specifications or perform the
following extra work on your contract dated July 6, 2021.
A. Description of change to be made or extra work to be done:
Increase in contract to repair channel due to repair areas that were found to not function well.
B. Reason for ordering change or extra work:
The project did not function as designed after experiencing high-water events. Repairs to the bioswale
included removal of sedimentation from stormwater routing around the retaining walls, installation of
seeding and erosion control blanket, installing Flex Mat on the bottom of the forebay, added
streambank protection where erosion had occurred, and installing rip rap on the streambank in various
Locations.
C. Settlement for cost of work to be made as follows:
Bid Item
4000
4001
4002
4003
4004
4005
4006
4007
Item Description
Turf Reinforcement Mat
Erosion Control Blanket
Flex Mat for Forebay Bottom
Excavation and Regrading
Rip Rap along Streambank
Engineering Fabric under Rip Rap
Flowable Mortar over rock at Retaining Walls
Reseeding Urban Area
Unit
Sq Yds
Sq Yds
Sq Ft
Cu Yds
Tons
Sq Yds
Lump Sum
Acre
Qty. Incr.
496
5,400
2,500
100
20
150
1.0
0.5
Bid Price
$20.00
$4.00
$9.90
$9.00
$105.00
$5.00
Item Price
$9,920.00
$21,600.00
$24,750.00
$900.00
$2,100.00
$750.00
$2,800.00
$3,750.00
Total Increase $66,570.00
$2,800.00
$7,500.00
Quertfia 9- it
BY:
„ 5/1/2023
Mayor
ATTEST:
Kerley Ferch(e au 5/1/2023
TOTAL INCREASE $66,570.00
LODGE CONSTRUCTION INC.
Date CONTRACTOR
City Clerk
BY:
TITLE:
Date
Date APPROVED:
City Engineer Date
CO #4 Contract No. 997 Sheet 1 of 1