Wisconsin Department of Transportation

Wisconsin Department of Transportation
Division of Transportation
Infrastructure Development
Bureau of Highway Construction
4802 Sheboygan Avenue, Rm 601
P O Box 7916
Madison, WI 53707-7916
December 16, 2002
Telephone:
(608) 266-1631
Facsimile (FAX): (608) 266-8459
NOTICE TO ALL CONTRACTORS:
Proposal #2:
1200-04-78, NH 2003102
Belmont - Dodgeville Road
(Belmont Bypass)
USH 151
Lafayette County
Letting of January 14, 2003
This is to advise that enclosed is Addendum No. 1, which provides for the following:
Special Provisions
The following Special Provisions are revised:
Article 7, Utilities
Article 16, Excavation Below Subgrade
Article 18, Embankment
The following Special Provisions are added:
Article 68, Asphaltic Concrete Pavement
Article 69, Plans
Schedule of Items
The following bid item quantities are revised:
Item 62824, Erosion Mat, Delivered, Class I, Type B; increased from 52,700 SY to 59,800 SY
Item 62825, Erosion Mate, Installed, Class I, Type B; increased from 52,700 SY to 59,800 SY
Item 64501, Geotextile Fabric, Type SAS; decreased from 13,300 SY to 5,320 SY
Attached dated 12/16/02 are revised Schedule of Items Pages 12 and 16.
Please insert the enclosed Addendum No. 1 in the proposal you now have or your bid may be declared unacceptable.
We are specifically notifying only the prime contractor of these changes. We will send a copy of this addendum to all
proposal holders as time permits. The responsibility for notifying potential subcontractors and suppliers of these changes
remains with the prime contractors.
Sincerely,
Richard R. Filsinger, P.E
Proposal Development Supervisor
DT1386
Solving tomorrow’s transportation challenges
ADDENDUM
PROJECTS 1209-02-71
Addendum
No.
1
1
1
1
1
Article
No.
7
16
18
68
69
Description
Utilities
Excavation Below Subgrade
Embankment
Asphaltic Concrete Pavement
Plans
Date
12/16/02
12/16/02
12/16/02
12/16/02
12/16/02
Addendum No. 1
Special Provisions
7.
Utilites.
Add the following paragraph after Paragraph 1:
Some of the utility work described below is dependent on prior work being performed by the
contractor at a specific site. In such situations the contractor shall provide the project engineer and the
affected utility a good faith notice of when the utility is to start work at the site. The notice shall be given 14
to 16 calendar days in advance of when the contractor expects to complete the prior work and the site will
be available to the utility. The contractor shall follow up with a confirmation notice to the project engineer
and the utility not less than 3 working days before the site will be ready for the utility to begin its work.
In Paragraph 3, revise the last sentence as follows:
Replace “Contact Ruth Alfaro…at (608) 246-3838” with “Contact Jean Mancheski…at (608) 246-3807”
In Paragraph 6, add the following sentence to the end of paragraph:
This work is anticipated to begin April 1, 2003 and take 20 working days to complete, weather
permitting. The contractor shall not strip or store topsoil in these areas until work is completed by Scenic
Rivers.
In Paragraph 8, revise sentence 1 as follows:
Replace “ATC will be relocating…removing…” with “ATC will be relocating…adjusting…”
In Paragraph 8, add the following sentence to the end of paragraph:
This work is anticipated to start February 1, 2003 and take 5 working days to complete. This work
is dependent upon Alliant Energy Corp. relocating their existing overhead wires prior to the removal of the
existing poles. Alliant plans to relocate at the same time as ATC.
In Paragraph 13, add the following sentence to the end of paragraph:
Alliant plans to extend a gas service to the proposed Welcome Center. The line will begin on
Liberty Street in front of Parcel # 26 and proceed north to the Welcome Center inside the new right-of-way
along STH 126/CTH G. Work on this portion is anticipated to be complete by July 1, 2003.
In Paragraph 15, add the following sentence to the end of paragraph:
This work is anticipated to begin September 2, 2002 and be complete prior to construction.
Belmont Telephone will be running service to the proposed Welcome Center. This work is anticipated to be
completed by July 1, 2003.
In Paragraph 19, add the following after sentence 2:
Electric service to the proposed Welcome Center will also be completed.
The following is added at the end of the last paragraph in this Article:
All work is anticipated to start December 16, 2002 and be completed by April 1, 2003.
16
Excavation Below Subgrade.
Paragraph 3 is deleted and replaced with the following:
The only exception to the use of rock fill as backfill in areas of excavation below subgrade shall be
in the area of pile zones for bridge substructure units. The contractor shall place a zone (approx. 20 ft.
wide) of finer-grained soils around the piles to enable driving of H-piles. The finer-grained soils shall be
placed and compacted in 8-inch lifts concurrent to match the elevation of the surrounding rock placement.
This zone will extend to the bottom of any areas of excavation below subgrade associated with the
structures/embankments.
18
Embankment
In Paragraph 3, Sentence 1 and in Paragraph 5, Sentence 1, revise as follows:
Replace “2 to 4 feet of earth embankments…top 1 foot of earth embankment…” with“2 feet of earth
embankment…top 2 feet of earth embankments…”
In Paragraph 6, Sentence 1, revise as follows:
Replace “…20 in. wide) of finger-grained..” with “… 20 ft. wide) of finer-grained…”
68
Asphaltic Concrete Pavement.
An asphaltic concrete pavement mix design in the counties of Iowa, Grant, Green, or Lafayette shall
be submitted 14 days prior to paving. The mix design shall be a comparison design submittal to the
Department Bureau of Highway Construction Materials Laboratory.
69
Plans.
Construction Details Plan Sheet 14 is replaced by the attached 8.5” x 11” plan sheet. The revision reflects a
change in construction detail “Detail for Subgrade Treatment in Embankments”, the minimum depth of rock
materials shall be changed from 3 feet to 2 feet.
Miscellaneous Quantities Plan Sheet 114 is replaced by the attached 8.5” x 11” plan sheet. The revision
reflects changes to the miscellaneous quantities of Erosion Mat, Class I, Type B and Geotextile Fabric,
Type SAS.