1j. Approve Contract Amendment No. 1 for the 1994 Sanitary Sewer Rehabilitation Program Project 94-9CITY OF
CHANHASSEN
690 COULTER DRIVE • P.O. BOX 147 • CHANHASSEN, MINNESOTA 55317
(612) 937 -1900 • FAX (612) 937 -5739
MEMORANDUM
TO: Don Ashworth, City Manager
FROM: Charles Folch, Director of Public Works /City Engineer
DATE: December 5, 1994
Arti ^r, p,- Cly Administrator
Dr`... • ,o Cot"
IZ ,, r,
I SUBJ: Approve Contract Amendment No. 1 for the 1994 Sanitary Sewer Rehabilitation
Program - Project No. 94 -9
' The Council may recall from the September Vii, 1994 meeting that very favorable bids were
received for this year's sanitary sewer rehabilition program. In fact, the awarded contract was
' more than $60,000 below the engineer's estimate and,, budgetary amount for this year. During
staffs presentation for the award of bids, it was mdicatsd that due to the favorable bidding it may
be prudent to investigate the opportunity to:expand the scope of this project to make efficient use
e"
of dollars. Staff and the project engm�er have reviewed the televising tapes produced this
summer and are recommending additional sewer line and manhole sealing. This change order
proposes to clean and seal an additiq tral 1,700 lineal feet "bf main line. The total amount of this
' contract amendment is $14,404.50' In addition, it is proposed that a time extension be added to
the project completion schedule.Tbr these added work iteni Adding this contract amendment
to the original contract would s4i11 total nearly $50,000 below original estimate and budgetary
' amount for this year's project
It is therefore re mmended that: Ff W , pprow Contract Amendment No. 1 to the
' 1994 Sanitary Sewer: =Rehabilitation Program in the amount of $14,404 0 y Waing a revised
contract amount of $103,762.59 , addition, the completion date e °project is therefore
extended to December 23, 1994, Project No '94-9
ktm
' Attachment: Contract Amendment No. 1
' c: Dave Hempel, Assistant City Engineer
Jerry Boucher, Utility Superintendent
Jon Horn, BRW
' Greg Brown, BRW
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CITY OF CHANHASSEN City Cu"" L.
Contractor Copy
CONTRACT AMENDMENT Inspector Copy
CITY Of CHANIIASKI
Project: 1994 Sanitary Sewer Rehabilitation Program pMOTH
City Project Number: 94-9
Amendment Number 1 (One) DEC 0 6 1994
Date: November 30, 1994
Contractor: Visu -Sewer Clean & Seal, Inc. ENGINEERING DEPT.
The additions, revisions and corrections contained herein shall be made to the contract
documents for the project and shall become a part of the Scope of Work.
Description of Changes:
A. The Contractor will perform additional work as recommended by BRW, Inc. and
approved by City staff to rehabilitate additional segments of existing sanitary
sewer within the city. The Contractor televised additional portions of existing
sanitary sewer as a part of the contract. BRW has reviewed the videotapes
depicting the existing sewer conditions and has recommended that rehabilitation
work be performed for some of the additional sanitary sewer segments as detailed
below.
The additional sanitary sewer rehabilitation work has resulted in an increase in
the contract quantities for a number of existing bid items as follows:
BID SCHEDULE A - SEWER REHABILITATION
Seq. No./
Mn /DOT
No.
Item
Unit
Unit
Price
Original
Contract
Quantity
Quantity
Increase/
(Decrease)
Amount
Add/
(Deduct)
I/
Sewer Main
0503.603
Cleaning
LF
$1.05
3,325
1,700
$1,785.00
2/
Sanitary Sewer
0503.603
Joint Test
EA
$19.50
525
290
$5,655.00
3/
Sanitary Sewer
0503.603
Joint Seal
GAL
$5.75
350
250
$1,437.50
4/
Manhole Sealing
0506.602
Chemical
GAL
$12.00
300.00
400
$0800.00
7/
Televise
0503.603
Sewer Line
LF
$0.34
2,476
800
$272.00
10/
Furnish and Install
0506.603
Manhole Steps
EA
$35.00
70
13
$455.00
Net Contract Change Add
$1450
CA1 -1
B. A contract time extension is granted for the project as a result of the additional
work detailed above. The original contract for the project included a completion
date November 18, 1994. A contract time extension of thirty -five (35) calendar
days is granted for the additional work. The revised project completion date is,
therefore, December 23, 1994.
SUMMARY
a
Current Contract Amount $88,758.09
Item A Net Add $14,404.50
Contract Amendment No. 1 Add: $14,404.50
Amended Contract Amount: $103,162.59
APPROVALS
RECOMMENDED BY: BRW, Inc.
BY: itle Project Manager r Dat
ACCEPTED BY: Visu -Sewer Clean & Seal, Inc.
BY r,/ 5& - Title Date
APPROVED BY: City of Chanhassen
BY: Title City Engineer Date
CA1 -2