PROJECT DESCRIPTION_ID FLAP FS SC MULTI(1).pdf

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Attached to
ID FLAP FS SC MULTI(1), Custer Motorway Stabilization Project Federal contract opportunity
Solicitation number
69056725R000008
Issued by
Department of Transportation Federal Highway Administration

About this file

This document is a preliminary project description for the Custer Motorway Stabilization Project in the Salmon-Challis National Forest, Custer County, Idaho. The project involves bank stabilization with rootwads, reinforced soil slope, and roadway resurfacing, with two potential bid schedules covering project lengths of 0.04 miles (Schedule A) and 0.10 miles (Schedule B). The estimated price range is $700,000 to $2,000,000, with a tentative solicitation date of Fall/Winter 2025 and a planned completion date of Summer 2026.

The project scope includes extensive work across multiple divisions: Project Requirements (construction survey, quality control, sampling/testing), Earthwork (clearing/grubbing), Slope Reinforcement (riprap, reinforced soil slopes), and Incidental Construction. Key environmental and infrastructure elements involve temporary stream diversion, traffic control, topsoil management, turf establishment, plantings, and environmental mitigation activities such as log barriers, root wads, fish passage boulders, and bank stabilization using coarse woody debris. The project will be located 11 miles west of Challis, Idaho, with government-furnished materials for certain environmental mitigation components.

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Preliminary_ida-fs-sc-multi1_Plan.pdf PDF
Prelim Letter_ID FLAP FS SC MULTI(1).pdf PDF

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Text version

ID FLAP FS SC MULTI(1), Custer Motorway Stabilization Project

Salmon-Challis National Forest

Custer County, ID

The work consists of bank stabilization with rootwads, reinforced soil slope, and roadway resurfacing.

Project length: 0.04 miles (Schedule A); 0.10 miles (Schedule B)

Tentative Fixed Completion Date: Summer 2026

(Once solicitation is issued, see SF1442 Continuation, Block 11.)

Tentative Solicitation Date: Fall/Winter 2025

Estimated Price Range: $700,000 to $2,000,000

There are two bid schedules; only one will be awarded.

Location: 11 miles west of Challis, Idaho

DESCRIPTION OF WORK in US CUSTOMARY UNITS

FP-24

S ch ed u le A ed u

B

DIVISION 150 – Project Requirements

152 Construction Survey & Staking (yes/no) Yes Yes

153 Contractor Quality Control and Assurance (yes/no) Yes

Yes

154 Contractor Sampling & Testing (yes/no) Yes Yes

155 Schedules for Construction Contracts (construction schedules) (yes/no) Yes

Yes

157 Soil Erosion & Sediment Control (erosion control devices) Fiber Roll Silt Fence

310 LNFT

410 LNFT

710 LNFT

900 LNFT

DIVISION 200 – Earthwork

201 Clearing & Grubbing ALL ALL ed u

A ed u

B

DIVISION 250 – Slope Reinforcement and Retaining Walls

251 Riprap Placed Riprap, Class 2 Placed Riprap, Class 3

330 CUYD

480 CUYD

400 CUYD

261 Reinforced Soil Slopes 2,000 SQFT 5,700 SQFT

DIVISION 600 – Incidental Construction

622 Rental Equipment (yes/no) Yes Yes

623 General Labor (yes/no) Yes Yes

624 Topsoil (landscaping & related items) 120 CUYD 310 CUYD

625 Turf Establishment (indicate seeding or mulching separately) Mulching, Hydraulic Method

840 SQYD

2,433 SQYD

626 Plants, Trees, Shrubs, Vines & Groundcovers Plantings (MP 25.3) Plantings (MP 24.0)

ALL

628 Temporary Stream Diversion Temporary Stream Diversion (MP 24.0) Temporary Stream Diversion (MP 25.3)

635 Temporary Traffic Control – Flagger 200 HOUR 200 HOUR

635 Temporary Traffic Control Barricade Type 3 Tubular Marking, Type 42-Inch Portable Changeable Message Sign Construction Sign Traffic Control Supervisor

10 EACH

25 EACH

2 EACH

230 SQFT

50 DAY

10 EACH

25 EACH

2 EACH

230 SQFT

100 DAY

647 Environmental Mitigation (use pay item description) Log Barrier (Government Furnished) Root Wad (Government Furnished) Fish Passage Boulder (Cluster) Streambed Material Bank Stabilization (Coarse Woody Debris)

70 LNFT

11 EACH

140 EACH

140 CUYD

40 CUYD

190 LNFT

22 EACH

280 EACH

360 CUYD

130 CUYD

File details come from the government source that posted it. Updated .