WA FLAP SKAMAN 92135(1), Wind River Road Slide Reconstruction

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding the Project Wind River Road Slide Reconstruction (Project No. WA FLAP SKAMAN 92135[1]).

• Horizontal Room for Pile Installation: The detour and closure of both northbound lanes can be used during pile installation in Phase 1, limited to 30 consecutive days. Updated plan sheets showing a new Phase 1A configuration will be added in Amendment A001.
• HMA Specification: Bidders should follow FP-24 Section 403 for Type 1 Asphalt Concrete. There is a distinction between Type 1 and Type 2 in Table 403-1.

This document clarifies technical requirements and indicates that an amendment (A001) will be issued to include updated plan sheets related to traffic control during pile installation.

Amendment / Modification

This amendment (A001) to the solicitation (Solicitation No. 69056725B000013) for the Wind River Road Slide Reconstruction project makes the following changes:

• SF 1442, Solicitation, Offer, and Award: A pen and ink change is noted.

• Notice to Bidders: Subsection "Electronic Documentation" is removed from Section IV. Specifications and Permits, and the subsection "Masterworks" is added.

• Minimum Wage Schedule: Davis-Bacon General Wage Decision WA20250001 is updated to WA20260001, effective 01/02/2026.

• Special Contract Requirements: Several subsections are added, revised, or updated, including definitions for CDR and Masterworks, electronic documentation requirements, measurement of work, pricing of adjustments, progress payments, and contractor's daily record of construction operations.

• Plans: The sheet index is revised, and the Temporary Traffic Control Plan Phase 1A is added.

• Section IV. Specifications and Permits

• Minimum Wage Schedule

• Special Contract Requirements (Sections 101.03, 101.04, 104.04, 104.06, 104.11, 109.01, 109.03, 109.06, 109.08, 109.09, 153.01, 153.03, 153.04, 153.05, 153.06, 153.07, 153.08, 155.01, 155.02, 155.03, 155.04, 155.06, 155.07, 155.08, 155.09, 155.10, 155.11, 155.12, 155.13, 155.14, 155.15, 156.03, 156.06, 156.08)

• Plans (Sheet Index, Temporary Traffic Control Plan Phase 1A)

This amendment does not extend the hour and date specified for receipt of offers. Bidders must acknowledge receipt of this amendment with their offer.

Questions & Answers / Clarifications

This document provides clarification on a question regarding horizontal room for traffic and drill crane operations during soldier pile installation for the Wind River Road Slide Reconstruction project.

• Question: Whether the contractor can use Phase 2 Traffic Control Plan, Sheet 1 of 2, during the installation of piles, given space constraints for traffic and the drill crane.
• Answer: Yes, the detour and closure of both northbound lanes can be used during pile installation in Phase 1. This use will be limited to 30 consecutive days.

Updated plan sheets showing a new Phase 1A configuration, which includes this detour and closure, will be added in Amendment A001.

Amendment / Modification

• The project name has been formally changed.

• The project was formerly known as WA FLAP SKAMANIA 92135(1), Wind River Road Slide Reconstruction.

• The new project name is WA FLAP SKAMAN 92135(1), Wind River Road Slide Reconstruction.

• This change is effective as of January 28, 2022.

• All project files associated with the former project name are now tied to the new project name.

• Not applicable, as this document pertains to a project name change and not a solicitation amendment.

Form / Attachment / Pricing Sheet

This document is an Earthwork Report detailing cut and fill volumes for the "WA FLAP SKAMAN 92135(1) WIND RIVER ROAD SLIDE RECONSTRUCTION" project, specifically for "MAIN 01" on behalf of the Federal Highway Administration, Western Federal Lands, Highway Division Project.

• The report provides detailed cut and fill volumes at various station points along the alignment (COR_MAIN_01, ALI_MAIN_01).
• Volumes are presented in cubic yards.
• The report covers stations from 10+00.000 to 27+08.000.
• A summary of total cut volume is 5460.266 cubic yards and total fill volume is 8.106 cubic yards.

This report provides critical earthwork volume data essential for bidders to understand the scope of material excavation and placement required for the slide reconstruction project. This information is fundamental for accurate cost estimation, resource planning, and equipment mobilization.

Other / Unclassified

This document contains Horizontal and Vertical Alignment Reports for "MAIN 01" for the Federal Highway Administration, Western Federal Lands Highway Division Project, specifically for the WA FLAP SKAMAN 92135(1) Wind River Road Slide Reconstruction. The reports detail the horizontal and vertical geometric design elements of the roadway, including stationing, northing, easting, and elevation data for various points along the alignment.

This document is crucial for bidders as it provides the detailed geometric design specifications for the "MAIN 01" roadway. Understanding these alignment reports is essential for accurately assessing the scope of work, planning construction activities, and preparing bids for the Wind River Road Slide Reconstruction project. It defines the precise path, curves, and elevations of the road, which directly impacts material quantities, earthwork, and construction methods.

Solicitation / RFP / RFQ

This document contains the plans for the proposed "WA FLAP SKAMAN 92135(1) Wind River Road Slide Reconstruction" project in Skamania County, Washington. The project aims to reconstruct a 0.32-mile section of Wind River Road that has experienced a slide.

The type of construction includes soldier pile wall, mechanically-stabilized earth wall, asphalt overlay, guardrail replacement, and culvert lining.

• Contract type: Not specified in this document.

• Period of Performance: Not specified in this document.

• Estimated Value: Not specified in this document.

• Proposal or quote submission instructions: Not detailed in this document.

• Evaluation criteria or factors: Not detailed in this document.

• Key deadlines or milestones: Not detailed in this document.

• No specific set-aside or eligibility requirements are mentioned in this document.

• The project is located within the Columbia River Gorge National Scenic Area.

• The plans include detailed information on various aspects of the reconstruction, including general information, summary of quantities, typical sections, plan-profile, approach roads, drainage, soil erosion and sediment control, walls, guardrail, and traffic control plans (temporary and permanent).

• Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-24, are referenced for specifications.

Other / Unclassified

This document outlines the Federal Highway Administration's (FHWA) procedures for the definitization of equitable adjustments for change orders under construction contracts, as required by FAR 36.211. It also mandates the agency to provide data on its past performance regarding the time taken to definitize these adjustments over the prior three fiscal years. The document references FAR 2.101 for the definition of change orders and FAR 52.243-4, Changes. It states that there are no agency-specific additional policies or procedures beyond these requirements.

The document includes a table presenting data on the number of change order proposals definitized under construction contracts by fiscal year (FY 2021, FY 2022, FY 2023), categorized by the time taken to definitize after receipt of an adequate proposal. This data provides insight into the agency's historical performance in processing change orders, which may be relevant for bidders in understanding contract administration timelines and potential complexities related to change orders.

Form / Attachment / Pricing Sheet

This document is a Supplemental Geotechnical Exploration and Recommendations Report for the Wind River Road Slide Reconstruction Project. It provides detailed geotechnical findings and recommendations to support the design of proposed improvements, including slide stabilization with micropiles and cap beams, and a Mechanically Stabilized Earth (MSE) wall.

• Project Description: Details the location and scope of the project, including mitigation of slope movements, road shoulder widening, and drainage improvements.
• Geotechnical Field Exploration: Summarizes the subsurface exploration conducted, including boring locations, depths, and methods.
• Subsurface Conditions: Describes the encountered soil and rock units, such as road embankment fill, landslide deposits, native pyroclastic rocks, and volcanic rocks.
• Engineering Analysis: Presents recommendations for MSE wall design, including overexcavation, soil parameters, global stability, bearing resistance, and sliding resistance.
• Micropile and Cap Beam Recommendations: Details the analysis and design criteria for micropile stabilization, including seismic stability and recommended design parameters.
• Construction Considerations: Provides general guidance for excavations, MSE wall construction, and micropile/cap beam installation.
• Appendices: Includes boring logs, laboratory testing results, global stability analysis outputs, and information on the use of the report.

This report is crucial for understanding the subsurface conditions, potential geological challenges (like landslides), and the specific geotechnical requirements for the proposed construction elements (MSE wall, micropiles). Bidders can use this information to assess the complexity of the site, inform their construction methodologies, and develop accurate cost and time estimates. It highlights the need for careful excavation, proper material selection for backfill, and adherence to specific design criteria for stabilization measures.

Solicitation / RFP / RFQ

This solicitation is for the Wind River Road Slide Reconstruction project, located 1 mile south of Carson City in Skamania County, Washington. The project involves reconstruction of a road slide. The estimated price range is between $5,000,000 and $10,000,000.

• The project is designated for WA FLAP SKAMAN 92135(1).

• Governed by Federal Acquisition Regulation (FAR), agency supplemental regulations, and the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-24.

• Includes new specifications for Prosecution and Progress and Schedules for Construction Contracts.

• Electronic documentation is required in PDF format or an approved fixed-layout electronic format.

• Material sources, water sources, and waste areas have not been identified; the contractor must secure all permits and clearances for contractor-located sites and sources.

• Contract Type: Firm Fixed-Price.

• Period of Performance: To be completed not later than 10/30/2026, with work to commence within 10 calendar days after notice to proceed.

• Estimated Value: $5,000,000 - $10,000,000.

• Bid Opening Date: May 7, 2025, at 9:00 AM PST (virtual viewing available).

• Proposal Submission: Electronic bids are not accepted. Submit printed copy to the address listed on SF 1442.

• Questions Deadline: Close of business five (5) business days before the bid due date.

• Proposal Submission Deadline: January 29, 2026, at 2:00 PM local time.

• Evaluation Criteria: Not explicitly detailed, but standard evaluation factors apply.

• Total Small Business Set-Aside. Offers are solicited only from small business concerns.

• Electronic plan sheets are available.

• Physical data is listed in the Special Contract Requirements Subsection 102.02A.

• Representations and Certifications must be submitted or updated online at SAM.gov.

• A bid bond is required (Standard Form 24).

Other / Unclassified

This document is a preliminary geotechnical memo providing findings and recommendations for the Wind River Road Slide Reconstruction Project (WA FLAP SKAMAN 92135(1)). It includes geotechnical exploration data and initial slope stability analyses of existing site conditions performed during a preliminary landslide assessment. The memo is for informational purposes and may contain information pertinent to the design of a soldier pile retaining wall.

This document provides critical geotechnical information relevant to the Wind River Road Slide Reconstruction Project. It details the site's surface conditions, geology, and subsurface explorations, including soil and rock types, landslide deposits, and seismic considerations. The findings are essential for understanding the project's scope, potential challenges related to slope stability and landslide mitigation, and informing design and construction approaches. Bidders can use this information to assess their capability to address the geotechnical aspects of the project and to develop accurate proposals.

Form / Attachment / Pricing Sheet

This document contains cross-section drawings for the "MAIN 01" section of the Wind River Road Slide Reconstruction project, identified as WA FLAP SKAMAN 92135(1). These drawings provide detailed graphical representations of the road's existing and proposed profiles at various stations along the route.

• Cross-section views illustrating ground elevations, proposed grade lines, and cut/fill areas.
• Stationing along the road from approximately 10+00.00 to 27+00.00.
• Design grade elevations and original ground elevations at specific stations.
• Slope percentages and dimensions related to the proposed road design.
• Specific cross-sections for "CULVERT LINING" are also included.

These cross-section drawings are critical for bidders to understand the proposed earthwork, grading, and potential construction challenges associated with the slide reconstruction. They provide essential data for estimating quantities, planning construction methods, and assessing the overall scope of work for the "MAIN 01" segment of the project.

Form / Attachment / Pricing Sheet

This document provides station offset northing and easting data for the "Construction Limits for MAIN 01" project, specifically for the "WA FLAP SKAMAN 92135(1) WIND RIVER ROAD SLIDE RECONSTRUCTION" project. It appears to be a report generated from design survey data.

• The report lists "Point Name" (station points along an alignment), "Baseline Alignment Offset" (distance from the baseline), "Baseline Alignment Northing" and "Easting" coordinates, and "Offset Alignment Northing" and "Easting" coordinates.
• Two distinct alignments are presented: "ALI_MAIN_01" (Baseline) and "Construction_Limit_R" (Offset Alignment) on pages 2-3, and "ALI_MAIN_01" (Baseline) and "Construction_Limit_L" (Offset Alignment) on pages 4-5.
• Units are specified as feet.

This data is crucial for bidders to understand the precise horizontal and vertical control points and the spatial definition of the construction limits for the project. It provides the raw coordinate data necessary for site layout, earthwork calculations, and ensuring construction activities adhere to the specified limits.

Form / Attachment / Pricing Sheet

This document provides X, Y, Z coordinates for "Subgrade (Blue Tops)" for MAIN 01, specifically for the FEDERAL HIGHWAY ADMINISTRATION, WESTERN FEDERAL LANDS, HIGHWAY DIVISION PROJECT, WA FLAP SKAMAN 92135(1), WIND RIVER ROAD, SLIDE RECONSTRUCTION.

The document is a cross-section gradebook report detailing coordinates (Northing, Easting, Elevation) for various stations along the project alignment. It includes data for:

• Surface: COR_MAIN_01 - Subgrade (Blue Tops)
• Station ranges from 10+00.000 to 27+08.000.
• Features include:
  • Slope_Stake_Cut_L/R
  • Slope_Stake_Fill_R
  • ETW_Layer4_Btm_L
  • EOS_Layer4_Btm_R
  • EOG_Layer4_Btm_R
  • EOG_Layer4_Btm_Outside_R
  • MSE_Backfill3_Subgrade1
  • MSE_Backfill3_Top_Bk
• Each entry provides Offset, Elevation, Northing, Easting, Existing Ground elevation, and Slope.

This document is crucial for bidders as it provides precise geometric data for the subgrade layer of the project. It will be used for construction layout, earthwork calculations, and ensuring the final grade meets design specifications. Bidders will need to use this data to understand the required earthwork volumes and the precise location and elevation of the subgrade for the slide reconstruction on Wind River Road.

Forms / Attachments / Pricing Sheets

This document provides X, Y, Z coordinates for final grade (Red Tops) for MAIN 01, specifically for the Federal Highway Administration's Western Federal Lands Highway Division Project, WA FLAP SKAMAN 92135(1) - Wind River Road Slide Reconstruction.

• The document contains detailed cross-section gradebook data, including Northing, Easting, and Elevation for various points along the project alignment.
• It specifies coordinates for different layers and features, such as "EOP_Layer1_Btm_Outside_L", "EOS_Layer1_Btm_L", "ETW_Layer1_Btm_L", "CL_Layer1_Btm", "ETW_Layer1_Btm_R", "EOS_Layer1_Btm_R", and "EOP_Overlay_Layer1_Btm_Outside_R".
• Stationing ranges from 10+00.000 to 27+08.000.

This document is crucial for bidders as it provides the precise design elevations and horizontal coordinates for the final grade of the roadway. This data is essential for understanding the scope of earthwork, grading, and any related construction activities required for the Wind River Road Slide Reconstruction project. Bidders will use this information to develop accurate cost estimates, construction plans, and to ensure compliance with the specified final grade.

Form / Attachment / Pricing Sheet

This document is a "Cross Section Gradebook with Northing/Easting Report." It provides detailed survey data, including elevations, northings, eastings, and slopes, at various stations along an alignment (ALI_MAIN_01). This data is crucial for understanding the existing ground conditions and proposed design grades at specific points.

• Stationing: Data is organized by station points along the alignment, starting from 10+00.000 and extending to 27+08.000.
• Feature Data: For each station, the report details various layers and features, including:
  • Slope Stake Cut/Fill
  • EOG (Edge of Grade) Layer 4 Bottom/Top (Outside Left/Right)
  • EOP (Edge of Pavement) Overlay Layer 1 Bottom (Outside Left)
  • EOS (Edge of Shoulder) Layer 1 Bottom (Left/Right)
  • ETW (Edge of Travelway) Layer 1 Bottom (Left/Right)
  • CL (Centerline) Layer 1 Bottom
• Coordinates & Elevations: Northing, Easting, and Elevation are provided for each feature.
• Slope: The calculated slope for various features is included.
• Existing Ground: Elevation data for the existing ground is also provided.

This report is essential for bidders to understand the precise geometric and elevation data related to the project's alignment. It allows for accurate quantity take-offs, cost estimations, and the development of construction plans that align with the specified design and existing conditions. Bidders should use this data to verify site conditions and ensure their proposed solutions meet the project's topographical requirements.

Form / Attachment / Pricing Sheet

This document provides "Clearing Limits" for "MAIN 01" for the "WA FLAP SKAMAN 92135(1) WIND RIVER ROAD SLIDE RECONSTRUCTION" project, managed by the Federal Highway Administration, Western Federal Lands Highway Division. It details the horizontal offsets from a baseline alignment (ALI_MAIN_01) to define the clearing limits on both the right (R) and left (L) sides of the roadway.

• The document contains two tables, one for "Offset Alignment (Clearing_Limit_R)" and another for "Offset Alignment (Clearing_Limit_L)".
• Each table lists "Point Name" (stationing along the baseline), "Baseline Alignment Offset" (distance from the baseline), "Offset Alignment Northing", and "Offset Alignment Easting" coordinates.
• The data specifies clearing limits at various stations along the Wind River Road, indicating the required horizontal clearance from the established baseline.

This document is crucial for bidders to understand the physical extent of work required for the slide reconstruction project. It defines the precise boundaries for clearing operations, directly impacting the scope, planning, and cost estimation for any contractor bidding on this opportunity. Bidders must use this information to ensure their proposals accurately reflect the necessary clearing activities.

Solicitation / RFP / RFQ

This document outlines a project for Wind River Road Slide Reconstruction in Skamania County, Washington. The work involves retaining walls, guardrail installation and replacement, culvert lining, and paving along a 0.3-mile stretch of road.

• Retaining walls (Soldier Pile and Mechanically Stabilized Earth)

• Guardrail installation and replacement

• Culvert lining

• Paving

• Soil Erosion & Sediment Control measures (silt fence, fiber roll, check dams)

• Clearing & Grubbing

• Removal of delineators, signs, guardrail, and existing pipe

• Sawcutting pavement

• Roadway excavation

• Aggregate and base courses

• Asphalt concrete pavement

• Tack coat

• Asphalt pavement milling

• Lining of 36-inch pipe culvert

• Terminal systems for guardrails

• Monuments & Markers

• Turf Establishment

• Temporary Stream Diversion

• Rolled Erosion Control Product

• Permanent Pavement Markings (Type D, Solid Yellow and White; Broken White)

• Recessed Pavement Markers

• Temporary Traffic Control (barricades, tubular markers, drums, warning lights, message signs, crash cushions, portable barriers, construction signs, flaggers, traffic control supervisor)

• Estimated Price Range: $5,000,000 to $10,000,000

• Tentative Solicitation Date: Fall/Winter 2025

• Tentative Fixed Completion Date: Fall/Winter 2026

• Not specified in this document.

• Not specified in this document.

• The work will use US Customary Units and FP-24 specifications.

• Includes requirements for construction survey & staking, contractor quality control and assurance, contractor sampling & testing, and construction schedules.

Plans / Drawings

This document contains detailed engineering plans and drawings for the "Wind River Road Slide Reconstruction" project in Skamania County, Washington, identified by WA FLAP SKAMAN 92135(1). The project involves:

• Type of Construction: Soldier pile wall, mechanically-stabilized earth wall, asphalt overlay, guardrail replacement, and culvert lining.
• Location: Wind River Road, Skamania County, Washington.
• Scope: The plans detail various aspects of the reconstruction, including:
  • General information, sheet index, and vicinity maps.
  • Typical road sections showing pavement structure, shoulders, and guardrail systems.
  • Plan-profile views of the roadway, including stationing and elevation data.
  • Details for approach roads, drainage, and soil erosion/sediment control measures (e.g., fiber rolls, silt fences, check dams).
  • Specifications for walls (MSE and Soldier Pile), guardrail systems (MGS Type 2, Class A steel posts), and terminal systems.
  • Temporary and permanent traffic control plans, including phasing, detours, and sign details.
  • Pavement transition details and linear pavement markings.
  • Survey control points and monument details.

These plans are critical for understanding the technical specifications, scope of work, and construction methods required for the Wind River Road Slide Reconstruction project. Bidders should review these drawings to assess project complexity, material requirements, site conditions, and traffic control measures to accurately estimate costs and timelines for their proposals.

Solicitation / RFP / RFQ

This document provides preliminary information for the "Wind River Road Slide Reconstruction" project (Solicitation No. 69056725B000013) in Skamania County, Washington. The preliminary plans are intended to help prospective bidders identify the project's location and scope.

• Work includes the construction of retaining walls, installation and replacement of guardrails, culvert lining, and paving.

• Solicitation documents will be available in Fall of 2025.

• Technical questions should be submitted via email to wfl.plans-spec@dot.gov.

• General questions can be directed to wfl.contracts@dot.gov or by phone at 360-619-7520.

• Bidders are encouraged to monitor www.sam.gov for the actual solicitation release date and to receive automatic notifications by using the "Follow" feature.

• Not specified in this document.

• Prospective bidders are encouraged to view the project site during summer/fall, as conditions permit. No Federal Highway Administration personnel will be available for show-me tours.