Item 8H AGENDA ITEM # 8H
AUGUST 23, 2010
CITY OF ATLANTIC BEACH
CITY COMMISSION MEETING
STAFF REPORT
AGENDA ITEM: Proposed Change Order No. 10 to Royal Palms Drainage
Rehabilitation Project (PW0905)
SUBMITTED BY: Rick Carper, P.E., Public Works Director
DATE: August 16, 2010
BACKGROUND: At the July 27 2009 meeting, the Commission approved the
award of a contract to R.B. Baker Construction, Inc. for construction of the Royal
Palms Drainage Rehabilitation Project (PW0905) in the amount of $3,197,823.46
for the base bid and selected additive alternates and a contingency of 10% of the
base bid.
Change Order No. 10 includes several design changes to account for existing field
conditions, such as, with the bulk of the change order required to add additional site
preparation funds for removal of asphalt, curb and gutter and driveway concrete
beyond that covered in the Bid documents. Quantities have increased because of
changes to the design to avoid existing utilities. Some changes moved new storm
sewer piping further into the roads requiring removal of more existing pavement and
curb and gutter than was in the original bid document. Changes include a
modification to move new storm sewer piping along the south side of Plaza Drive
from under the sidewalk at the edge of the right of way into the roadway to avoid
removal of a number of mature oak and other hardwood trees. Additionally, for
uniformity, the city has authorized replacement of a number of driveways from the
curb to the right of way line, rather than the smaller saw cut segment near the road
called for in the plans.
The project contingency amount at inception was $257,067; current contingency
balance is $76,820. Change order 10 is for $45,248. Because this change order
will significantly deplete the contingency balance for the Royal Palms project with
actual construction at the 70% point, Change order #10 includes deletion of the
storm sewer replacement on Cutlass Drive from the project and leaving the $16,076
in the project contingency. The existing storm sewer on Cutlass is in the grassed
portion of the right of way, allowing for replacement in the future without closing
Cutlass Drive. The corrugated metal pipe in this segment is in fair condition (Project
Engineer's assessment).
As discussed in the August 5 Budget Workshop, staff recommends allocating a
portion of the new Fiscal Year's Gas Tax Resurfacing budget (total budget -
$203,000) to the Royal Palms Project, to allow construction of Additive Alternate G2,
additional resurfacing in Royal Palms (Redfin Drive, remainder of Bonita Road and
sections of Plaza Drive) for $83,640. This addition will result in all streets in the
subdivision with a 2009 Overall Condition Index of less than 60 being resurfaced at
project completion.
AGENDA ITEM # 8H
AUGUST 23, 2010
RECOMMENDATION: Authorize the City Manager to execute Change Order No. 10 to
the R.B. Baker Construction contract.
BUDGET: This project is funded from the Stormwater Fund, Account No.
470 - 0000 - 538 -6300. The total contract price with this change order will increase
$83,639.80 to $3,281,463.26, including contingency.
ATTACHMENT: (1) Proposed Change Order No. 10
REVIEWED BY CITY MAN G • ,
AGENDA ITEM # 8H
AUGUST 23, 2010
CHANGE ORDER NO. 10
Contractor: R.B. Baker Construction, Inc. Owner: City of Atlantic Beach
249 Industry Place
St. Augustine, FL 32095 32095 Date: August 3, 2010
Attention: Chuck Chaon City Bid No.: 0809 -08
Project: Royal Palms Drainage Rehabilitation Project
You are hereby requested to comply with the following changes in the Contract Documents:
1. Revised Scope of Work
ULCKEASEIN - INCKtASEIN
UNIT PRICE CONTRACT PRICE CONTRACT PRICE
ITEM NO. DESCRIPTION QTY UNIT $ $ $
1 Mill Existing Pavement (2" Avg.) 820 SY $2.36 $1,935.20
2 Asphaltic Concrete Type S -1 (1 -1, 820 SY $8.02 $6,576.40
3 Pavement Repair (Case X) -13 SY $30.33 - $394.29
4 Miami Curb & Gutter -84 LF $14.61 - $1,227.24
5 Curb Inlet (Std.) (3x3) 2 EA 51,821.08 $3,642.16
6 Curb Inlet (3x4) - EA $2,280.05 - 52,280.05
7 Curb Inlet (6x7) 1 EA $3,862.29 $3,862.29
8 Inlet Type E -1 EA $2,165.59 - $2,165.59
9 J -1 Manhole 4' 1 EA $2,327.18 $2,327.18
10 J - Manhole (3x4) 2 EA $2,327.18 $4,654.36
11 J -2 Manhole (3x5), (4x4) 1 EA $2,537.02 $2,537.02
12 J -2 Manhole (3x6), (4x5) -2 EA $2,726.63 - $5,453.26
13 J -2 Manhole (5x7), (6x6) 1 EA $3,608.65 $3,608.65
14 J -2 Manhole (4x7) 1 EA $3,608.65 $3,608.65
15 J -2 Manhole (7x7), (6x8) (S457) -1 EA $4,782.50 - $4,782.50
16 Connect to Existing Structure -1 EA $1,392.07 - $1,392.07
17 15" RCP 22 LF $39.38 $866.36
18 24" RCP -106 LF $50.25 - $5,326.50
19 36" RCP -58 LF $68.85 - $3,993.30
20 24" x 38" CIPP 106 LF $161.71 517,141.26
21 5' Block Wall (Redfin Easeme -70 LF $26.25 - $1,837.50
22 Concrete Endwall (36 ") -1 EA $2,509.04 - $2,509.04
23 Ditch Pavement (5" Conc.) -17 SY $48.04 -5816.68
24 Plug Existing Structure -1 EA $2,265.34 -52,265.34 '
25 Adjust Water Main (6 ") (Case -1 EA $1,537.60 -51,537.60
Concrete Drive Demo &
26 Dispose 400 SY 16 $6,400.00
25 Case X Demo & Dispose 1,625 SY 10.61 $17,241.25
Curb and Gutter Demo &
26 Dispose 2,000 LF 7.67 $15,340.00
27 Additive Alternate G2 $83,639.80
TOTAL
- $35,980.96 $164,868.98
NET CHANGE IN CONTRACT PRICE $128,888.02
The above Revised Scope of Work will be added to the existing Purchase Order for the project. 30 days will be added to
the Contract Completion Date. Revised Project Completion Date is November 9th, 2010.
AGENDA ITEM # 8H
AUGUST 23, 2010
Accepted
By: Date:
Contractor
Approved
By: Date:
Owner
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