WY NPS YELL 10(26), Gardner River High Bridge

Questions & Answers / Clarifications

This document contains responses to vendor questions regarding the WY NPS YELL 10(26), Gardner River High Bridge project.

• Project Magnitude: The initial statement of $5-10 million was an error; the corrected estimated price range is $20-30 million. This will be amended.
• Traffic Control Devices: Devices shown on plan sheets are for informational purposes only. The contractor is responsible for effective traffic control meeting FP-24, MUTCD, and special contract requirements, including temporary barriers and crash attenuators.
• Epoxy Overlay: Epoxy overlay is required for the entire bridge width in steel spans (27.5') and not just the 25' roadway section. It is also not required outside the limits shown on S.3.
• Hydrodemolition: Removal of approach span slabs and floor beams is required to be done by Hydrodemolition, as per Section 560.
• Asphalt Hauling: The government may waive time-of-day hauling restrictions for asphalt if a written request is submitted and conditions minimize disturbance to visitors and residents.
• Rivet Repair: Rivet repair work does not require an AISC certified erector. Replacement connections will follow Subsection 555.16.
• Containment Platforms: Containment and work platforms must not extend more than 5 feet below the bottom of the existing truss at any given point.

Several clarifications indicate that forthcoming amendments will address changes to project scope, pricing, and specific requirements. Bidders should monitor for these amendments.

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding the WY NPS YELL 10(26), Gardner River High Bridge project.

• Project Magnitude: The estimated project price range is $20 - $30 Million, not $5-10 Million as initially stated. This will be corrected in an amendment.
• Traffic Control Devices: Plan sheets showing traffic control devices are for informational purposes only. Contractors are responsible for providing effective traffic control meeting FP-24, MUTCD, and special contract requirements.
• Excavation Limits: Excavation for epoxy injection and paint removal on towers may require expanded construction limits to the middle towers.
• Reinforcement Repair: For approach spans, FHWA will consider allowing mechanical splices or overlapping of new reinforcing to existing rebar near the barrier wall/curb during UHPC and concrete repair.
• Crack Repair (Epoxy Injection): The bid schedule item for crack repair by epoxy injection will be addressed via a forthcoming amendment to clarify quantity (LF or estimated quantity for LS item).
• Expansion Joint Repair: Approach expansion joints are to be replaced. Details are provided in specific sections referenced on Plan Sheet S.10.
• Bridge Railing Repair: Existing damage to bridge railing is documented, and additional clarification will be provided via a forthcoming amendment.
• Structural Steel Repairs (Rivets): Rivet work is included in a specific line item, with additional clarification to be provided via a forthcoming amendment.
• Portal Breastwall Concrete Repair: This is categorized as deep repair, and unsound concrete will be removed. Three classes of concrete are acceptable for use.
• Catwalk Repair: Details and quantities for catwalk repair are insufficient for pricing. Clarification or a Contingent Sum item may be provided.
• Temporary Access Limits: Clarification will be provided regarding temporary access limits for towers and CFRP work at pedestal bases.
• Erosion Control: Clarification is needed regarding erosion control for Tower 3 pedestal repair.
• Overload/Permit Load Requests: An expectation of approximately 5 unique truck configurations per month for this structure is provided.
• Contractor Camp Sites: No contractor housing sites are provided by the government.
• Snow Pole Holders: Details for snow pole holders are located in the Permanent Traffic Control section of the Plans.
• Topsoil Stockpiling: Topsoil should not be stockpiled over winter months, and conserved topsoil should be placed over finished slopes.
• Asphalt Paving Temperatures: Bidders are instructed to bid as shown, despite potential challenges with long haul distances affecting asphalt laydown temperatures.
• Painting Limits: Coating is required for all existing and new railing elements.
• Epoxy Overlay Limits: Epoxy overlay is required only within the limits shown on Plan Sheet S.3.
• Approach Slab and Floorbeam Removal: Removal of approach span slabs and floor beams is required to be done by Hydrodemolition.
• Staging and Stockpile Area: Additional information on staging areas is available in SCR 105.04.
• UHPC Overlay: Information on compressive strength and approximate quantity of UHPC placed at Approach 2 can be found in the referenced Physical Data document.
• Approach Rail Base Plates: Refer to specific notes and documents for railing details not included in the plans.
• Temporary Power Supply: The estimate from NWE covers temporary power supply line installation and permanent power service replacement, but not conduit or pull boxes.
• Deck Loading Delay: Bidders are instructed to bid as shown regarding total delay limits.

Several items will be addressed via forthcoming amendments, which may impact scope, pricing, or submission details. Bidders should monitor for these updates.

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding the WY NPS YELL 10(26), Gardner River High Bridge project.

• Project Magnitude: The estimated project price range is $20 - $30 Million, not $5-10 Million as initially stated. This will be corrected in an amendment.
• Barrier Rail Extension: Traffic control devices are for informational purposes only. The contractor is responsible for providing effective traffic control meeting FP-24, MUTCD, and special contract requirements. Requirements for temporary barriers and gross weight restrictions are detailed in SCR 156.06(d) and SCR 563.04A.
• Excavation Limits: FHWA will consider expanding construction limits for epoxy injection and paint removal on towers. This will be addressed in an amendment.
• Transverse Reinforcement: FHWA will consider allowing mechanical splices or overlapping of new reinforcing to existing rebar near the barrier wall/curb for approach spans.
• Crack Repair (Epoxy Injection): The bid schedule item for Crack Repair by Epoxy Injection (Line Item No 0600) will be addressed via a forthcoming amendment to clarify quantity (LF or estimated qty for LS item).
• Expansion Joint Repairs: Approach expansion joints are to be replaced. Details are provided on plan sheet S.10.
• Bridge Railing: Existing damage to bridge railing is documented in "1570-023P Special Study Inspection Report 2024.pdf". Extent of repair is defined by a single post and adjacent railing spans. Additional clarification will be provided via a forthcoming amendment.
• Misc Structural Steel Repairs: Rivet work is included in 55501-0000 Structural Steel (Misc. Repair of Structural Steel & Bridge Rail). Additional clarification will be provided via a forthcoming amendment.
• Portal Breastwall Concrete Repair: Repair is categorized as 572.04(b) Deep Repairs. Unsound concrete is anticipated for full depth removal. Three classes of concrete shown in 572.03(a) Hydraulic Cement Concrete are acceptable.
• Catwalk Repair: Details are provided in "1570-023P Special Study Inspection Report 2024.pdf". Additional clarification will be provided via a forthcoming amendment.
• Temporary Access: Clarification on temporary access limits for Towers 1, 2, and 3 will be provided via a forthcoming amendment. No temporary equipment access is provided.
• Erosion Control: Bid as shown for pedestal repair erosion control plan for Tower 3.
• Overload/Permit Loads: Expect approximately 5 unique truck configurations per month for this structure.
• Contractor Camp Sites: No contractor housing sites are provided by the government.

Several clarifications will be addressed via forthcoming amendments, which may impact project scope, quantities, and bidding details. Bidders should monitor for these amendments.

Questions & Answers / Clarifications

This document provides a clarification regarding the estimated project magnitude for the WY NPS YELL 10(26), Gardner River High Bridge opportunity.

• Question: A bidder inquired about a discrepancy in the project's estimated magnitude, noting it was stated as $5,000,000 to $10,000,000 in the RFP, but between $20,000,000 to $30,000,000 in the project description posted in September. The bidder asked if the scope of the project had changed significantly.
• Answer: The government confirmed that the discrepancy was an error on their part and that there is no change to the scope. The correct estimated price range for the project is $20 - $30 Million. This correction will be made in an upcoming amendment.

This clarification indicates that the project scope remains the same, but the estimated price range will be officially updated via an amendment. Bidders should note the corrected estimated price range of $20 - $30 Million for their proposal preparation.

Solicitation / RFP / RFQ

This solicitation is for a "Task Order Request for Proposals" (TORP) for the Gardner River High Bridge project within Yellowstone National Park, WY. The project is being solicited and awarded under FP-24, which refers to the "Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects." This solicitation is part of the Yellowstone, Grand Teton, and Surrounding Area Multiple Award Task Order Contract (MATOC).

• Construction of the Gardner River High Bridge.

• The project is located 1.8 miles southeast of Mammoth in Park County, WY.

• Project length is 0.32 miles.

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

• Special Contract Requirements (SCRs) amend and supplement the Standard Specifications.

• Specific requirements are detailed in various divisions, including General Requirements, Project Requirements, Earthwork, Aggregate and Base Courses, Asphalt Pavements, Bridge Construction, Incidental Construction, and Material specifications.

• Environmental protection measures are critical, including compliance with the Federal Water Pollution Control Act, Oil and Hazardous Substances regulations, and specific requirements for dirt, plant, and foreign material management, as well as protection of forests, parks, and public lands.

• Traffic control and hauling restrictions within Yellowstone National Park are detailed.

• A Stormwater Pollution Prevention Plan (SWPPP) is required.

• Contract Type: Firm-fixed-price.

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

• Period of Performance: Not explicitly stated, but completion date is 10/19/2027, with a notice to proceed assumed by 03/30/2026.

• Proposal Due Date: See Page A-3, Block 13A.

• Electronic bids will not be accepted. Submit printed copy of bid to the address listed on SF 1442.

• General and Technical Questions accepted until close of business five (5) business days before the due date.

• Proposals must be submitted in English and in U.S. dollars.

• Offers providing less than 60 calendar days for Government acceptance will be rejected.

• Selection of the successful offeror will be based on lowest price.

• Offerors are urged and expected to inspect the site.

• This solicitation is solely for the listed prime contractors under the MATOC.

• A proposal will only be accepted from the listed prime contractors.

• Large businesses are required to submit an acceptable subcontracting plan.

• The FP-24 specifications can be viewed electronically at: https://highways.dot.gov/federal-lands/specs.

• Electronic plan sheets are available at: https://sam.gov/workspace/contract/opp/c6409546424f48b0aee5ba2653e9cd8b/view.

• Questions and answers will be posted on SAM.gov.

• A bid bond is required.

Form / Attachment / Pricing Sheet

This document, titled "Station Offset Northing Easting Report," provides detailed survey data. It appears to be a report generated from a design survey, likely used to establish or verify construction limits and alignment points.

• Station: Represents points along a baseline alignment.
• Offset: The perpendicular distance from the baseline alignment to a specific point.
• Northing & Easting: Geographic coordinates (in feet) for each surveyed point.
• Baseline Alignment: Specifies the reference alignment used for offsets (ALI-MAIN-01).
• Report Details: Includes creation date, time, project name ("Design SurvFt"), and the source file name.

This report provides precise coordinate data for points along a specified alignment. Bidders may use this information to understand the exact location and extent of construction limits, verify site conditions, or incorporate these survey points into their own planning and execution if awarded the contract. It serves as a factual record of surveyed locations relevant to the project.

Forms / Attachments / Pricing Sheets

This document contains the original design plans for the Gardner River Bridge, dated August 1938. It includes detailed engineering drawings, specifications, and material lists for the construction of the bridge.

• General Notes: Outlines construction materials, concrete specifications (Class A, B, D), and general construction practices.
• Structural Details: Provides comprehensive plans for abutments, bents, towers, trusses, floor beams, stringers, and lateral bracing systems.
• Reinforcing Steel Schedules: Lists specific reinforcing bar sizes, quantities, and lengths for various bridge components.
• Erection Procedures: Details the step-by-step process for erecting the bridge structure, including temporary supports and load considerations.
• Material Lists: Specifies quantities and types of structural steel and concrete required.

These plans are crucial for understanding the original design and construction of the Gardner River Bridge. They provide detailed specifications and engineering drawings that would be essential for any bidder involved in the rehabilitation, repair, or maintenance of the bridge, ensuring that any work is consistent with the original structural integrity and design intent.

Form / Attachment / Pricing Sheet

This document is a Stormwater Pollution Prevention Plan (SWPPP) template for construction activities at the Gardner River High Bridge in Yellowstone National Park. It is designed to comply with the EPA's 2022 Construction General Permit (CGP) and provides a framework for developing a compliant SWPPP.

• Instructions for Use: The template includes instructions within each text field and is editable for customization.
• Permit Requirements: Emphasizes the need to thoroughly read the 2022 CGP, consult state/tribal requirements, and update any previous SWPPPs.
• Project Information: Includes sections for contact information, site evaluation, documentation of compliance with federal requirements, erosion and sediment controls, pollution prevention standards, inspection and corrective action procedures, turbidity monitoring, certification, and notification.
• Appendices: References various appendices for detailed information, including site maps, the 2022 CGP, NOI forms, and training documentation.

This document outlines the environmental compliance requirements for stormwater management during construction. Bidders should review the SWPPP requirements, particularly those related to erosion and sediment controls, pollution prevention, and site stabilization, to understand their obligations and incorporate these into their project proposals and execution plans. The document details specific practices and controls that will be implemented to minimize the discharge of pollutants into waterways, which is crucial for environmental compliance and project success.

Other / Unclassified

This document is a "Volumes Report" detailing "Corridor Model Component Quantities" for the "S-Approach Road" alignment. It provides a breakdown of component end area totals and component surface area totals, including material, area, volume, length, unit cost, and material cost, across numerous stations.

This report is highly technical and appears to be a detailed quantity takeoff or material estimation for a construction project, likely related to road or corridor development. For a bidder, this document would be relevant for understanding the specific quantities of materials and earthwork involved in the project, which is crucial for accurate cost estimation and resource planning if they are considering bidding on the opportunity. It details various components such as "Cut Volume," "Fill Volume," "Mesh Grading Cut," "Mesh Grading Fill," "Mesh Pavement Pavement" layers, and "Mesh Barriers Barrier" among others, along with their associated costs.

Form / Attachment / Pricing Sheet

This document is a "FLH BRIDGE OVERSIZED/OVERWEIGHT PERMIT LOAD REQUEST" form. It is used by applicants to request permits for oversized or overweight loads intended for transport across FLH bridges. The form collects necessary information for the agency to review and approve or deny the permit.

• Applicant Information: Name, Company Name, USDOT#, Phone Number, Email Address.
• Load Details: Description of Load, Description of Route.
• Movement Details: Date of Movement.
• Vehicle Configuration: Width, Height, Length, Gross Weight. Includes a reference to a sketch on the next page.
• Axle Information: A table to detail Axle Number, Axle Spacing (ft), Load (lbs) per axle, and No. of Tires per axle. It notes that adjacent axles with identical configurations may be grouped.
• Agency Use Only: Fields for Reviewer, Approval status (Approved/Denied), and Permit Conditions.

This form is directly relevant to any bidder or contractor who needs to transport oversized or overweight equipment or materials across FLH bridges as part of an opportunity. Bidders must accurately complete this form to obtain the necessary permits for their operations. Incomplete or inconsistent data will result in the permit being returned for correction.

Other / Unclassified

This document comprises an in-depth inspection report and photographic evidence for the Gardner River Bridge (Structure No. 1570-023P) located in Yellowstone National Park. The inspection, conducted from September 9-11, 2024, by Volkert, Inc., Fickett Structural Solutions, and Hardesty & Hanover, assessed the bridge's condition and load capacity.

This report is highly relevant for potential bidders involved in future maintenance, repair, or rehabilitation of the Gardner River Bridge. It provides a comprehensive understanding of the bridge's current structural integrity, including:

• Overall Condition: Rated as "fair condition overall," with specific elements in "poor condition."
• Identified Deficiencies: Detailed findings include cracking in bearing plate vertical stiffener angles, delamination and spalling of approach span decks, widespread paint failure on piers and trusses, deterioration of concrete elements, and damage to bridge rails, pedestals, and wingwalls. Photographic evidence documents these issues, along with rusting, deformation, missing hardware, and vegetation growth.
• Load Rating: The structure's load rating for various truck types is presented.
• Maintenance and Rehabilitation Recommendations: Specific tasks are outlined, ranging from routine maintenance (e.g., debris removal, pothole repair) to major rehabilitation needs (e.g., cleaning and painting structural steel, replacing expansion joint components, deck overlays).
• Cost Estimates: Preliminary cost estimates for maintenance and rehabilitation are provided.

This detailed information is crucial for bidders to accurately assess the scope of work, potential challenges, required materials, and associated costs for any future contracting opportunities related to this bridge.

Engineering Plans / Attachment

This document contains the detailed engineering plans for the proposed Gardner River High Bridge rehabilitation project (WY NPS YELL 10(26), PMIS No. 305864) within Yellowstone National Park. The plans, spanning 71 pages, provide comprehensive technical specifications, design details, and quantities for all aspects of the bridge rehabilitation and associated roadway work. The project length is 0.32 miles and adheres to the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-24.

These plans are critical for potential bidders to understand the full scope of work, technical requirements, and estimated quantities necessary for preparing a compliant and accurate proposal. Key sections for bidders include:

• Overall Scope: Rehabilitation of the Gardner River High Bridge, including structural, concrete, and steel repairs, expansion joint replacement, drainage, paving, utility work, and catwalk repair.
• Summary of Quantities (B.1-B.2, D.1, L.1, O.1, S.2): Detailed line items and estimated quantities for mobilization, earthwork, paving, structural concrete, steel repair, temporary support, coating, concrete repair (including CFRP and epoxy injection), equipment/labor hours, traffic control, and utility installations.
• Technical Specifications: Detailed drawings and notes for roadway typical sections (C.1-C.4), plan and profile (D.1-D.5), soil erosion and sediment control (F.1-F.5), utilities (L.1-L.5), and extensive structural components (S.1-S.24) such as approach spans, guardwalls, bridge railings, bearing assemblies, and catwalks.
• Traffic Management (N.1-N.15, O.1-O.5): Comprehensive temporary and permanent traffic control plans, including road use restrictions, nighttime road closures, speed reduction signs, and single lane closure layouts, which are essential for planning project logistics and safety.
• Environmental Controls (F.1-F.5): Details on soil erosion and sediment control measures, including fiber rolls and SWPPP signage.

Bidders should thoroughly review all sections to grasp the project's complexity, material requirements, construction methods, and operational constraints.

Other / Unclassified

This document is a Horizontal Alignment Review Report for "ALI-MAIN-01". It details the geometric elements of a horizontal alignment, including linear and circular segments. The report provides stationing, northing, easting coordinates, radii, delta angles, and directional information for various points along the alignment (START, PC, HPI, CC, PT).

This report is relevant to bidders as it defines the precise horizontal geometry of the "ALI-MAIN-01" alignment. This information is critical for any project involving civil engineering, construction, or surveying related to this specific alignment, as it dictates the path, curves, and transitions required. Bidders need to understand these specifications to accurately estimate costs, develop construction plans, and ensure compliance with the defined alignment.

Forms / Attachments / Pricing Sheets

This document contains "100% Cross Sections for Proposed Project" for the WY NPS YELL 10(26) Gardiner River High Bridge, Alignment "MAIN 01", covering stations 856+70.50 to 869+41.36. It provides detailed cross-sectional views of the proposed bridge alignment.

• Cross-section views at various station points along the alignment.
• Design grade, subgrade, and original ground elevations for each cross-section.
• Horizontal and vertical scales for each view.
• Slopes and distances from the centerline.

This document is crucial for bidders to understand the proposed bridge's geometric design, including its vertical and horizontal alignment, and the existing terrain. It provides essential data for estimating earthwork, foundation requirements, and overall construction complexity.

Other / Unclassified

This document is a Vertical Alignment Review Report for the "ALI-MAIN-01_prof" vertical alignment, based on the "ALI-MAIN-01" horizontal alignment. It details the vertical design elements, including linear segments and symmetrical parabolas, specifying station, elevation, tangent grades, lengths, and curve parameters (r and K values).

This report provides critical design data for the vertical alignment of a project. Bidders involved in civil engineering, road design, or construction related to this opportunity would use this information to understand the proposed vertical geometry, grades, and transitions. It is essential for developing accurate bids, construction plans, and ensuring compliance with the project's vertical design specifications.

Forms / Attachments / Pricing Sheets

This document contains detailed engineering plans and specifications for the "Gardner River High Bridge" project in Yellowstone National Park, Wyoming. It serves as a comprehensive guide for construction, outlining all aspects of the bridge rehabilitation and associated roadwork.

• Project Identification: WY NPS YELL 10(26), NPS PMIS No. 305864.
• Location: Gardner River, Park County, Wyoming.
• Project Scope: Bridge rehabilitation, including deck repair, structural steel repair, railing replacement, guardwall construction, and approach deep patch repair.
• Roadwork: Includes typical road sections, deep patch repair, temporary and permanent traffic control plans, erosion control measures, and utility plans.
• Structural Details: Extensive details on bridge components, including abutments, spans, expansion joints, drainage, and structural steel.
• Specifications: References Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-14, and AASHTO LRFD Bridge Design Specifications.
• Traffic Control: Detailed plans for temporary and permanent traffic control, including lane closures, detours, speed reductions, and signage.
• Environmental: Sediment and erosion control plans are included.

This document is critical for potential bidders as it defines the full scope of work, technical requirements, materials, and construction methods for the Gardner River High Bridge project. It provides all necessary information to prepare a detailed and accurate bid, including quantities, site conditions, and specific construction details for all bridge and roadway elements.

Solicitation / RFP / RFQ

This document provides preliminary plans and information for the Gardner River High Bridge project (Solicitation No. 69056726R000002) located in Yellowstone National Park, Park County, Wyoming. It is intended to help prospective bidders identify the location and type of work. The project will be advertised during winter 2025/2026, and access to the site may be weather-dependent after November 1, 2025.

• Installation of containment systems around steel truss sections and towers.

• Removal of existing lead-based paint from all surfaces.

• Painting of the structure.

• Replacement of concrete approach spans.

• Installation of deep patches at bridge approaches.

• Construction of concrete guardwalls.

• Replacement of bridge joints.

• Application of a thin epoxy overlay across the bridge deck.

• Minor bridge repairs.

• Paving of bridge approaches.

• Solicitation documents will be available during the winter of 2025/2026. The actual date of release should be monitored on SAM.gov.

• 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.

• To receive automatic notification of the solicitation, bidders must log in to SAM.gov and select the "Follow" feature.

• A special notice regarding Fall Weed Inspection is included. All construction vehicles and equipment will be inspected for mud, weeds, and other unwanted substances. Material sources must be certified free from noxious weeds, invasive plants, and other deleterious materials by a public agency or through a recognized certification program.

• Prospective bidders are encouraged to view the project site during fall as conditions permit, as viewing may not be possible due to snow during the advertised period.

• No Federal Highway Administration personnel will be available for show-me tours.

Solicitation / RFP / RFQ

This document describes the scope of work for the Gardner River High Bridge project in Yellowstone National Park, Park County, Wyoming. The project involves containment, lead-based paint removal, painting, approach span replacement, deep patching, guardwall construction, thin epoxy overlay, joint replacement, and minor bridge repairs.

• Containment and lead-based paint removal

• Painting

• Approach span replacement

• Deep patch

• Guardwall construction

• Thin epoxy overlay

• Joint replacement

• Minor bridge repairs

• Project length: 0.32 miles

• Estimated Price Range: $20 million to $30 million

• Location: 1.5 Miles East of Mammoth, Wyoming

• Tentative Solicitation Date: Winter 2025/2026

• Tentative Fixed Completion Date: Fall/Winter 2026

Not specified in this document.

Detailed breakdown of work items includes divisions for Project Requirements, Earthwork, Slope Reinforcement and Retaining Walls, Aggregate and Base Courses, Asphalt Pavements & Surface Treatments, Rigid Pavement, Bridge Construction, and Incidental Construction. Specific quantities and requirements are listed for various tasks such as concrete, asphalt, steel structures, and traffic control.