HomeMy WebLinkAboutAgenda Report - October 15, 1997 (91)AGENDA TITLE: Contract Change Orders for Well 4R Water Storage Tank and Pump Station Project,
1215 Thurman Street
MEETING DATE: October 15, 1997
PREPARED BY: Public Works Director
RECOMMENDED ACTION: This item is for information only. No action is required.
BACKGROUND INFORMATION: In accordance with the Contract Change Order Policy, the City Council
is being informed of change orders approved by the City Manager for
this project since the August 6, 1997 City Council meeting. The change
orders for this project are shown on the attached summary.
The original contract for this project was $1,222,300.00. The total cost of change orders to date is
$150,271.13, or approximately 12.3 percent of the contract. The project is approximately 100 percent
complete. Below is a summary showing descriptions of the change orders. More detailed descriptions
and backup information for all of the change orders are available in the Public Works office.
Change Order No. 20 - This change order covers the cost of adding an altitude valve, booster
pump and high-pressure cut-out modifications, per the City's request. ($18,338.08)
Change Order No. 21 - This change order covers the additional cost of adding Cla-val pump
3/8 -inch control valves to the pilot system, per the City's request. ($1,939.00)
FUNDING: There are sufficient funds budgeted in the Well 4R Water Storage Tank and Pump Station
account to cover these change orders.
Funding Available: 112 ,
Finan# Director
AJ
Jack L. Ronsk
Public Works Director
Prepared by Gary Wiman, Construction Manager
JLR/GRW/Im
Attachment
cc: City Engineer
Construction Manager
APPROVED:
H. Dixon Flynn -- City Manager
Ccco5.doc 10103/97 00
CITY OF LODI
CHANGE ORDER LOG
PROJECT: WELL NO. 4R WATER STORAGE TANK AND PUMP STATION
CONTRACTOR: CONCO WEST INC.
CONSULTANT., MONTGOMERY WATSON AMERICAS, INC.
DATE PRINTED: 10/1/97
CO
NUMBER
DESCRIPTION
OF
CHANGE
NEG
COST
1
RFI 2001 add electrical grounding grid to site
35,587.39
2
1 RFI 7 delete PVC rigid conduit requirement (CREDIT)
-2,600.00
3
1 RFI 2002 delete water softener at pump building (CREDIT)
-7,754.00
4
RFI 18 add thrust blocks at underground piping
1,092.15
5
RFI 2003 building structural changes required by Building Dept.
7,410.21
6
jAdded work at existing manholes and piping due to unknown conditions
833.84
7
16" storm drain pipe conflict with 8"backwash pipe line
648.94
8
lAdd plumbing waste line trap primers
1,354.27
9
IChlorine generations stem
61,144.79
10
1 Epoxy coating system at steel water tank
7,323.06
11
10ver excavation of tank and building footings
12,796.05
12
ISteel roof truss chane
1,474.50
13
1 Caulk at water tank roof lap joints
3,409.82
14
jAdd irrigation shutoff valve
235.91
15
jAdd (2) 1 "conduits to MCC panel
820.00
16
JAdd fuel tank leak detector
1,170.65
17
1 Relocate electric meter per EUD request
867.47
18
10ver excavation of footing agreement
2,613.00
19
1 Move fan switch, add phone and injector valve
1,566.00
20
jAdd altitude valve, booster pump and high-pressure cut off
18,338.08
21
jAdd Cla-val 3/8" pump control valves to pilot system
1,939.00
Change Order Total to Date
150,271.13
Original Contract
1,222,300.00
Total Contract to Date
1,372,571.13
CHANGE ORDER PERCENT OF ORIGINAL CONTRACT
12.29%
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