HomeMy WebLinkAbout10 - Dolphin Deep Water Well Rehabilitation - Award of Contract No. 3978CITY OF NEWPORT BEACH
CITY COUNCIL STAFF REPORT
Agenda Item No. to
December 11, 2007
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: Public Works Department
Andy Tran
949 -644 -3315 or atran@city.newport- beach.ca.us
SUBJECT: DOLPHIN DEEP WATER WELL REHABILITATION - AWARD OF
CONTRACT NO. 3978
RECOMMENDATIONS:
Approve the specifications.
2. Award Contract No. 3978 to General Pump Company for the Total Bid Price of
$145,600, and authorize the Mayor and the City Clerk to execute the contract.
3. Establish an amount of $15,000 to cover the cost of unforeseen work.
4. Approve a Budget Amendment appropriating $40,600 from the unappropriated
balance of the Water Fund to Account No. 7503- C5500460.
DISCUSSION:
At 10:00 a.m. on November 20, 2007 the City Clerk opened and read the following bids
for this project:
BIDDER TOTAL BID AMOUNT
Low General Pump Company $145,600.00
2 Layne Christensen Company $157,007.00
The low total bid amount is 6.7 percent below the Engineer's Estimate of $156,000. The
low bidder, General Pump Company, possesses a California State Contractors License
Classification C -57 as required by the project specifications. A check of the Contractors
references indicates they have satisfactorily completed similar projects for other
municipalities.
Utilities Department staff noticed a reduction in water production at this well site and it was
determined rehabilitation was in order to restore production to its original design levels.
The work necessary for the completion of this contract consists of providing traffic control,
removal and reinstallation of pump and motor, mechanical and chemical well
development, video survey, test pumping, and rebuilding the existing pump and motor.
The well is located at 9649 Dolphin Avenue in the city of Fountain Valley and owned and
operated by the City of Newport Beach.
Dolphin Deep Water Well Rehabilitation — Award of Contract No. 3978
December 11, 2007
Page: 2
Pursuant to the Contract Specifications, the Contractor will have 40 consecutive working
days to complete the work.
Environmental Review:
This project is exempt from the California Environmental Quality Act (CEQA) pursuant
to Section 15301 of the CEQA Guidelines. This exemption covers the repair of existing
facilities involving negligible or no expansion of existing use.
Public Notice:
The Notice Inviting Bids was advertised in the City's official publication. Prior to starting
work, staff will meet with the adjacent Valley Vista High School to discuss construction
impacts. Other residents and businesses will not be directly impacted by this project.
Geotechnical. Material Testing, and Survev Services:
Geotechnical, material testing, and survey services are not anticipated for this project.
Funding. Availability:
The estimated budget for this project was $150,000. A portion of this budget was
expended on consultant design fees. The estimated budget did not account for the
rebuilding of the pump and motor, which will cost $20,000 and is included with this
contract. Therefore, a Budget Amendment is needed to sufficiently fund the project.
Upon approval of the recommended Budget Amendment, funds will be available in the
following accounts for the project:
Account Description
Water Enterprise
Water Enterprise
Proposed uses are as follows:
Vendor
General Pump Company
General Pump Company
Prepared by:
.Loc�Vt/
Andy Tra , P.E.
Senior Civil Engineer
Attachments: Project Location Map
Bid Summary
Budget Amendment
Account Number
7503- C5500460
7503- C5500460
Total:
Amount
$ 120,000
$ 40,600
$ 160,600
Purpose
Construction Contract $
Construction Contingency $
Total: $
T IT, tom•
Amount
145,600
15,000
Badum
s Director
160,600
DOLPHIN DEEP
WATER WELL REHABILITATION
CITY OF NEWPORT BEACH
PUBLIC WORKS DEPARTMENT
DATE 11/20/071 SCALE N.T.S ISHT 1 OF
DRAWN AT I C -3978
CITY OF NEWPORT BEACH
PUBLIC WORKS DEPARTMENT
TITLE: Dolphin Deep Water Well Rehabilitation BID LOCATION: City Clerk's Office- City Hall
CONTRACT NO.: 3978 . DATE: 20- Nov -07 TIME: 10:00AM
ENGINEER'S ESTIMATE: $156.000.00 BY: A. Tran CHECKED: DATE:
PROJECT MANAGER: Andy Tran
f: Wsers \pbw\shared+eonimctl00-01PBID SUMMARY C- 3978.)ds Page 1
Engineer's Estimate
General Pump Co.
Layne Christensen Co.
ITEM
DESCRIPTION
QUANTITY
UNIT $
AMOUNT
UNIT $
AMOUNT
UNIT $
AMOUNT-
1
Mobilization and Demobilization
]
1 LS
$12,000.00
$12,000600
$30,000600
$30,000.00
$26416600
$26,416600
2
Pump Removal
1
LS
$10,000600
$10,000600
$10,000600
$10,000.00
$6,646600
$6,646600
3
Rebuild Pump and Motor
1
LS
$30,000600
$30000.00
$20000600
$20,000600
$19,462.00
$19462.00
4
Pre - Rehabilitation Downwell Video Survey
1
LS
$1,2130600
.$1,200600
$1,000600
$1,000600
$825.00
$825.00
5
Wire Brushing and Balling
16
Hr
$225.00
$3600600
$400600
$6,400600
$334.00
$5,344600
6
Chemical Treatment (Development)
1
LS.
$10,000600
$10,000600
$15000600
$15000600
$13567.00
$13567600
7
Mechanical Development
50
Hr
$200600
$10,000600
$200600
$10,000600
$390.00
$19,500600
8
ITreatment of Discharge and Development Fluid
. 1
LS
$15,000600
$15,0006
$13,000600
$13,000600
$12920.00
$12,920.00
9
Post Development Downwell Video Survey
1
LS
$1,200600
$1,200600
$1,000600
$1,000600
$825600
$825600
10
Mobilization and Demobilization of Test Pump
1
LS
$15,000600
$15,0006
$12,000600
$1 Z000600
$17,696.00
$17,696600
11
Pumping Develo ment
40
Hr
$275600
$11,000600
$200600
$8000600
$210600
$8400600
12
Ste - Drawdown Test
12
Hr
$275600
$3,300600
$200600
$Z400600
$210.00
$Z520600
13
Constant -Rate Pumping Test
48
Hr
$275600
$13,200600
$100.00
$4800600
$210600
$10080600
14
1 Downwell Flow Meter S Inne Survey
1
LS
$2,500600
$2,500600
$3,00060
$3,000.00
$2,500600
$2,500600
15
Re- installation of Permanent Pump and Motor
1
LS
$15000600
$15,000600
$8, 600
$8,000600
$8 806600
$8 806.00
16
IWell Disinfection and Site Clean Up
1
LS
1 $3,000600
$3 000.00
$1, 6001
$1,13006130
$1 500600
$1,500600
EE
1,$156.000.001
LOW
1 $145,600.001
2ND
$157,007600
f: Wsers \pbw\shared+eonimctl00-01PBID SUMMARY C- 3978.)ds Page 1
City of Newport Beach NO. BA- 08BA -029
BUDGET AMENDMENT
2007 -08 AMOUNT: $ao,soo.00
EFFECT ON BUDGETARY FUND BALANCE:
Increase Revenue Estimates Increase in Budgetary Fund Balance
X Increase Expenditure Appropriations AND �X Decrease in Budgetary Fund Balance
Transfer Budget Appropriations No effect on Budgetary Fund Balance
SOURCE:
from existing budget appropriations
from additional estimated revenues
HX from unappropriated fund balance
EXPLANATION:
This budget amendment is requested to provide for the following:
To increase expenditure appropriations from unappropriated reserves for the deep water well rehabilitation.
ACCOUNTING ENTRY:
BUDGETARY FUND BALANCE
Fund Account
500 3605
REVENUE ESTIMATES (3601)
Fund /Division Account
Amount
Description Debit Credit
Water Fund - Unappropriated Reserves $40,600.00
Description
EXPENDITURE APPROPRIATIONS (3603)
Description
Division
Number 7503 Water Pumping and Operations
Account
Number C5500460 Repair /Betterment of Wells & Pump Stations
Division
Number
Account
Number
Division
Number
Account
Number
Division
Number
Account
Number
Division
Number
Account
Number
. q.
Signed:
Signed:
Signed:
Financial Approval: Administrative Services Director
City Council Approval: City Clerk.
/I/)
$40,600.00
R
1q,j o3
Date
Date