HomeMy WebLinkAboutBrown Construction for Unforseen Soil Conditions Import additional CY N. Black Cat TrunkRECE~VF,~
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City Of Meridian
City Clerk Office
Memo
To: Jaycee Holman; Tara Green ,
From: Clint Dolsby, P.E., Assistant City Engineer
CC: Thomas Barry, Public Works Director
Date: 03/19/2008
Re: Proposed Agenda Items for March 25, 2008 City Council Meeting
The Public Works Department respectfully requests the following item be placed on the March 25 Ciry
Council agenda, under consent agenda, for Council's consideration:
Change Orders No. 4 and 5 for the North Black Cat Trunk Sewer. Additional work is required for the
North Black Cat Trunk Sewer. This change order consists of the following work. This makes the total
changes from Change Order No. 1, 2, 3, 4 and 5 equal to 1.19% of the original contract amount
• Due to unforeseen conditions Brown Construction imported an additional 5,680 cubic yards in
January and 6,976 cubic yards in February.
Brown Construction, Inc. has submitted cost estimates for these change orders as summarized below:
Change Order No. 4 $11,360.00
Change Order No. 5 $13,952.00
Summary of Change Orders 4 and 5 $25,312.00
Recommended Council Action: The Public Works Department recommends that City
Council approves Change Orders No. 4 and 5 for the North Black Cat Trunk Sewer with
Brown Construction, Inc. for $25,312.00 and authorize the Mayor to sign them.
Task Order No. 0750 -Sewer Main Extension at Powers Residence. Civil Survey
Consultants, Inc. has submitted a task order, scope of work, and budget for the engineering
services. They propose to complete the work for $7,490. This is an extension of the
miscellaneous wastewater services agreement approved by City Council on the 12~' of
December, 2006 for the Engineering Services for Miscellaneous Wastewater Projects.
This project provides engineering services to construct approximately 200 feet of sanitary
sewer from the sewer trunk to S. Mustang Street.
• Page 1
CHANGE ORDER 4
PROJECT: North Black Cat Trunk Sewer
DATE OF ISSUANCE: 2/12/08 EFFECTIVE DATE:
OWNER: Primeland Development Co. LLP
CONTRACTOR: Brown Construction, Inc. ENGINEER: JUB Engineers
Page I of 2
You are directed to make the following changes in the Contract Documents.
Attachments: Explanation of additional costs.
CHANGE IN CONTRACT PRICE: CHANGE IN CONTRACT T[MES:
Original Contract Price Original Contract Times
$ 1,717,487.31 Substantial Completion: .168 Dam - Mav I, 2008
R
f
Fi
l P
213 D
J
I S
2008
une
or
na
ayment:
ays -
,
eady
days or dales
Nct Changes from previous Change Orders No. I to No. 3 Nel Changes from previous Change Orders No. t to No. 2
$ (4
978
00) z.s
,
. Drays
Contract Price prior to this Change Order Contract Times prior to this Change order
Substantial Completion: Ib8.5 Davs - May 1.2008
$ 1,712,509.31 Ready for Final Payment:: 213.5 Days -June 15.2008
days or dales
Net Increase (decrease of this Change Order) Net Increase (decrease of this Change Order)
$ 11
360
00 0
,
. days
Contract Price with all approved Change Orders Contract Times with all approved Change Orders
Substantial Completion: Days - 170.5
$ 1,723,869.31 Ready for final payment: Davs - 2.15.5
days or dales
RECOMMENDED BY OWNER:
By:
Date: 2/ 12/08
APPROVED BY OWNER:
ACCEPTED BY C NTRACTOR:
I~
By:
Date: Z` .. ~ ~ ~g
Tammy de Weerd, Mayor
Date
Date:
Attest:•
.,City Clerk
Tay c to ~ rrb...
Date:
Approved by City Council:
Page2of2
North Black Cat Trunk Sewer
Change Order 4
Due too unforeseen soil conditions, Brown Construction was required to import an
additiona15,680 CY of imported trench backfill above and beyond the 4,271 CY as
identified in the bid schedule for the project.
In accordance with page 17, Part 4.1.D.1 of. the Project Manual this additional material
will be billed at the unit rate of $2.00/CY as specified in the accepted bid.
Brown Construction, Inc.
6881 Bennett Road
Nampa, ID 83686
Phone: (208) 465-0274
Fax: (208) 465-3532
Primeland Development
3.120 W. Belltower Drive
Suite 100
Meridian, ID 83646
Attn: Glenn Fitch
PAY REQUEST #1:
ITEM: IMPORTED TRENCH BACKFILL
QTY: 740 CY
PAY REQUEST #2:
ITEM: IMPORTED TRENCH BACKFILL
QTY: 9,211 CY
CALCULATION BREAKDOWN:
LINEAR FEET OF SEWER TRENCH= 1357
AVERAGE DEPTH OF SEWER TRENCH= 28.20 FT
SUBTRACT 3 FT =PIPE ZONE (PIPE AND BEDDING)
SUBTRACT 3 FT= ROAD BASE (PIT RUN SECTION, ~;" ROAD MIX, ASPHALT )
TOTAL = 22 FT AVERAGE DEPTH OF IMPORTED TRENCH BACKFILL
(22 FT x 9 FT WIDE x 1357 LF)/ 27 = 9,951 CY
TOTAL OF IMPORTED TRENCH BACKFILL:
REQUEST #1 + REQUEST #2 = 9,951 CY
740 CY + 9,211 CY = 9,951 CY