B08_Solicitation_-__ADDENDUM_1.pdf

ADDM-1, Page 1

ADDENDUM NO. ADDM-01 National Park Service – Interior Regions 3, 4 5 Facilities, Planning and Infrastructure to the 601 Riverfront Drive Bidding Documents Omaha, NE 68102 30 January 2026

PICTURED ROCKS NATIONAL LAKESHORE TRAIL REHABILITATION MUNISING FALLS

Munising, MI PMIS No. 226930

NOTICE TO BIDDERS: The Specifications and Drawings for the above referenced project are hereby amended as follows:

SPECIFICATIONS – GENERAL

ITEM NO. G-1 SECTION 01 10 00 ITEM 1 – DESCRIPTION OF WORK

a. Part 1.1. Background: ADD the following paragraphs following the existing paragraph:

In April 2025, the project site experienced a high impact rain induced flood event at the peak of snowmelt which undermined and fully displaced an approximately 75-foot reach of wood cribwall, asphalt trail, and wood handrail rendering it impassible. The trail was immediately closed to the public and shall remain as such until the completion of the scope of work under this contract. Existing topography and geology previously concealed by the constructed trail and crib wall has been exposed.

Park staff, having obtained approval from the US Corps of Engineers, have extracted and stockpiled the debris from the failure arranged by material (asphalt, limestone rip-rap, wood timber and dimensional lumber railing) adjacent to the trail at the eastern limits of the impacted reach. Refer to photographs as provided within this addendum.

The Contractor’s scope of work for removals remains as called out in the Construction Documents, to remove, haul off site, and lawfully dispose of material.

The state of the material being stockpiled rather than in their original constructed condition for this 75-foot reach is modified by this addendum. This event of failed trail segment does not alter the engineering of the new elevated walkway as detailed and specified in these Construction Documents.

DRAWINGS – GENERAL

ITEM NO. G-2 SHEET 01 G2.0 SITE SURVEY

a. Replace sheet with the revised sheet 01 G2.0, SITE SURVEY, provided in this addendum. Revisions indicate approximate limits of flood swept trail and cribwall and stockpiling of clean up debris performed by park staff.

ITEM NO. G-3 SHEET 01 C2.1 EXISTING CONDITIONS AND DEMOLITION PLAN WEST

a. Replace sheet with the revised sheet 01 C2.1, EXISITNG CONDITIONS AND DEMOLITION PLAN WEST, provided in this addendum. Revisions indicate approximate limits of flood swept trail and cribwall and stockpiling of clean up debris performed by park staff.

ADDM-1, Page 2

PHOTOGRAPHS TAKEN SEPTEMBER 2025

EXISTING TRAIL LOOKING WEST TOWARDS IMPACTED REACH

ADDM-1, Page 3

VIEW OF IMPACTED REACH OF TRAIL LOOKING NORTHWEST

REMAINING EXISTING CRIBWALL AND TRAIL EAST WEST OF IMPACTED REACH

REMAINING CRIBWALL AND TRAIL WEST OF IMPACTED REACH

ADDM-1, Page 4

STOCKPILED DISPLACED MATERIALS WEST OF IMPACTED REACH

END OF ADDENDUM

stephanie.redding Stamp stephanie.redding Date tbentley Cloud+ tbentley Cloud+ tbentley Polygon tbentley Polygon tbentley Callout APPROXIMATE 75-FOOT REACH OF TRAIL, WOOD CRIB WALL, RAILING, AND SOIL DISPLACED BY FLOOD EVENT APRIL 2025 tbentley Ellipse tbentley Ellipse tbentley Ellipse tbentley Callout STOCKPILED MATERIALS (LIMESTONE RIP-RAP, ASPHALT TRAIL, WOOD TIMBER/DIMENSIONAL LUMBER) BY PARK STAFF FOR CONTRACTOR REMOVAL AND DISPOSAL

MATCHLINE

RESTROOM

BUILDING

VISITOR

CENTER

REMOVE 15 LF 18" CORRUGATED

METAL CULVERT. ABANDON ANY

REMAINING LENGTH.

SAWCUT AND REMOVE EXISTING

CONCRETE PAVING (HATCHED)

REMOVE AND SALVAGE SIGN. STORE,

PRESERVE AND PROTECT SIGN UNTIL

NPS TAKES POSESSION.

REMOVE BENCH AND SALVAGE

FOR REUSE ON SITE

REMOVE WOOD HANDRAILPRESERVE AND PROTECT EXISTING STONE

RETAINING WALL WEST OF THIS POINT. REMOVE

EXISTING STONE RETAINING WALL EAST OF THIS

POINT AND SALVAGE STONE FOR REUSE ON SITE.

REMOVE EXISTING STONE

RETAINING WALL AND SALVAGE

STONE FOR REUSE ON SITE.

PRESERVE AND PROTECT

EXISTING RETAINING WALL

- TYP.

REMOVE EX. 6" PIPE

(PIPE IS ABOVE GRADE)

REMOVE WOOD RETAINING WALL AND

HANDRAIL - TYP. REMOVE WOOD DECKING

AND ASPHALT TRAIL ABOVE - TYP. REMOVE

ALL MATERIALS THAT ARE NOT SOIL OR

PLANT MATERIAL AND DISPOSE OF OFF SITE.

MATERIALS TO BE REMOVED INCLUDE BUT

ARE NOT LIMITED TO: LUMBER, METAL,

GRAVEL BACKFILL, ASPHALT, AND

CONCRETE.

SEQUENCE AND PERFORM WALL REMOVAL

TO ENSURE BACKFILL AND OTHER

MATERIALS DO NOT SPILL AND/OR MIGRATE

DOWN SLOPE OUTSIDE THE LIMITS OF WORK.

0+00

0+50

1+00

1+50

2+00

2+

3+00

EXISTING CORDUROY ROAD REMNANT LOGS. DO

NOT DISTURB. THESE LOGS ARE PART OF THE

SCHOOLCRAFT FURNACE HISTORIC SITE LISTED ON

THE NATIONAL HISTORIC REGISTER. REFER TO

SHEET G4.0 FOR ADDITIONAL REQUIREMENTS.

STRIP AND STOCKPILE TOPSOIL AND OTHER ORGANIC MATERIAL FROM ALONG TRAIL IN ACCORDANCE WITH

NOTES ON SHEET G4.0

COORDINATE DEMOLITION SEQUENCING WITH BOARDWALK FOUNDATION INSTALLATION AND OTHER PROPOSED

IMPROVEMENTS AS REQUIRED.

REFER TO SHEET G4.0 FOR ADDITIONAL NOTES AND REQUIREMENTS.

NOTES

LEGEND

- CONCRETE PAVEMENT - REMOVE

- BITUMINOUS TRAIL - REMOVE

- LIMITS OF WORK

REMOVE CONCRETE PAD

END CONTRACT LINE ITEM 1

BEGIN CONTRACT LINE ITEM 2

10 0 10 20

SCALE OF FEET

tbentley Cloud+ tbentley Cloud+ tbentley Polygon tbentley Polygon tbentley Callout APPROXIMATE 75-FOOT REACH OF TRAIL, WOOD CRIB WALL, RAILING, AND SOIL DISPLACED BY FLOOD EVENT APRIL 2025 tbentley Ellipse tbentley Ellipse tbentley Ellipse tbentley Callout STOCKPILED MATERIALS (LIMESTONE RIP-RAP, ASPHALT TRAIL, WOOD TIMBER/DIMENSIONAL LUMBER) BY PARK STAFF FOR CONTRACTOR REMOVAL AND DISPOSAL