Demolition of Maintenance Hangar, Building 3542, Kadena Air Base, Okinawa, Japan

Solicitation / RFP / RFQ

This document is an Abstract of Offers for Construction, specifically for Solicitation Number W912HV26BA010. It details the offers received for the "Demolition of Maintenance Hangar, Building 3542, Kadena Air Base, Okinawa, Japan" project.

The offers are for the following contract items:

• Item 0001: Demolition of Existing Facility
• Item 0002: Refurbishment of Chibana Ballfield
• Item 0003: Full-depth Demolition of Foundation (OPTION 1)

The document does not explicitly state the contract type, period of performance, or estimated value, but it lists the estimated amounts for each item from various offerors.

This document is an abstract of offers received, not the solicitation itself. It indicates that offers were opened on 5/22/2026. The contracting officer certified that all offers received were opened, read, and recorded.

Not specified in this document.

This abstract includes offers from multiple companies, including Yamauchi Gumi, American Engineering, Maeda-Onaka JV, Seikitokyu Kogyo, TODA Corporation, Kashiwabara Corporation, CMS K.K., ACTY, and others. It also notes that there were 3 amendments issued for this solicitation.

Form / Attachment / Pricing Sheet

This document is a pre-bid site visit roster for the W912HV26BA010 Demolition of Maintenance Hangar, Building 3542 at Kadena Air Base, Okinawa, Japan. It records the attendance of individuals from various companies who participated in the site visit.

• Lists attendees by Last Name, First Name.
• Includes the Company Name for each attendee.
• Indicates if Temporary Base Access was Required.
• Provides a space for Signature.

This roster confirms attendance at the pre-bid site visit, which is often a mandatory or highly recommended step for bidders. It shows which companies and individuals were present, potentially indicating market interest and the level of engagement from potential competitors or partners.

Form / Attachment / Pricing Sheet

This document contains "As-Built" drawings for an Aircraft Painting Facility, specifically Painting Hangar 3542 and Cleaning Hangar 3541, located in Okinawa. These drawings are provided for informational purposes only and are not part of the solicitation or contract. They do not amend the solicitation and may not depict existing conditions accurately.

• Architectural elevations, sections, floor plans, and wall sections for the painting and cleaning hangars.
• Structural details, including framing plans, roof plans, and foundation details.
• Mechanical, electrical, and plumbing diagrams and details for various systems (HVAC, electrical distribution, lighting, fire pump control, sprinkler systems, compressed air, etc.).
• Civil details including site layout, paving plans, and drainage profiles.
• Specific details for doors, windows, louvers, flashing, and other building components.

These "As-Built" drawings provide a detailed visual representation of the existing facility. Bidders should use this information to understand the current state of the facility, which may be relevant for assessing the scope of work, identifying potential site conditions, and informing their proposal strategy. However, bidders are cautioned that these drawings are for informational purposes only and they are responsible for verifying actual site conditions.

Forms / Attachments / Pricing Sheets

This document contains the "Demolition of Maintenance Hangar Building 3542 Backcheck Submittal" for Kadena Air Base, Okinawa, Japan. It includes various drawings and notes related to the demolition project.

• Cover Sheet (G-001): Provides project title, location, solicitation number (W912HV26BA010), contract number (TBD), and issue date (October 10, 2025).
• Sheet Index (G-003): Lists all included drawings.
• Construction Phasing Notes (G-010): Details requirements and restrictions for demolition work, including airfield access, vehicle and pedestrian operations, inspection requirements, underground utilities, taxilane visual aids, hazard marking, work zone lighting, protection of taxilane shoulders, Foreign Object Debris (FOD) management, hazmat management, affected areas, and wildlife management.
• Drawing Abbreviations and Symbols (G-002, G-003): Provides a comprehensive list of abbreviations and symbols used in the drawings.
• Vicinity Map and Location (G-100): Shows the project location within Kadena Air Base and general haul routes.
• Demolition Phase - Demo B3542 (G-101): Outlines the construction sequence for Phase 1, including site setup, demolition of Building B3542, utility disconnections, and site restoration.
• Erosion Control Plan (GC101) and Details (GC501): Specifies erosion control measures and details for the project area.
• Phasing Plan Details (G-501): Includes details for road closure signage, low profile barricades, and FOD check points.
• Hazardous Materials - Existing Corrosion Control Hangar (H-601): Details abatement notes for asbestos-containing material (ACM), lead-based paint (LBP), and other hazardous materials.
• Demolition Plan - Existing Corrosion Control Hangar (CD101): Shows the specific areas and utilities to be demolished, including demolition tables for buildings, pavements, and utilities.
• Demolition Plan - Chibana Stockpile Site (CD102): Details the demolition of various elements at the Chibana stockpile site.
• Chibana Ballfield Refurbishment (CS101): Outlines refurbishment work for the Chibana ballfield.
• Grading Plan - Existing Corrosion Control Hangar (CG101): Provides grading and drainage information for the project area.

This set of drawings and notes provides the technical details necessary for bidders to understand the scope of work for the demolition of Maintenance Hangar Building 3542 and related site work. It includes critical information on demolition procedures, site access, safety requirements, hazardous material handling, erosion control, and site restoration. Bidders must review these documents thoroughly to prepare an accurate proposal.

Form / Attachment / Pricing Sheet

This document contains "As Built" drawings for the Aircraft Painting Facility at Kadena Air Base, Okinawa. It details various aspects of the facility's construction, including:

• Civil Engineering Drawings: Profiles and details of roads, storm drains, water lines, sanitary sewer lines, and site layout.
• Electrical Drawings: Electrical distribution plans, lighting plans, power and control wiring diagrams for refrigeration machines, and panel schedules.
• Mechanical Drawings: Refrigerant piping diagrams, air conditioning and ventilation system controls, and fire pump control diagrams.
• Structural Drawings: Details for hangar doors, engine hoist stands, and building cross-sections.
• Specifications: Chain link fence specifications.

These "As Built" drawings provide a comprehensive record of the facility's existing conditions and construction details. Bidders can use this information to understand the scope of work, identify existing infrastructure, and accurately estimate costs for any proposed modifications or repairs related to this opportunity.

Specifications / Statement of Work

This document contains the specifications for the "DEMOLITION OF MAINTENANCE HANGAR, BUILDING 3542" at Kadena Air Base, Okinawa, Japan. It outlines the detailed requirements for the demolition and disposal of the existing facility.

• General Requirements: Emphasizes compliance with EM 385-1-1, NFPA 70, NFPA 70E, NFPA 241, and other applicable safety and environmental regulations. It also details mandatory Personal Protective Equipment (PPE).
• Worksite Communication: Requires effective emergency communication methods for employees working alone.
• Radiation Safety: Notes that radioactive materials are prohibited, with exceptions requiring Contracting Officer approval.
• Unforeseen Hazardous Material: Outlines procedures for handling and reporting the discovery of unexpected hazardous materials.
• Utility Outages: Specifies procedures and advance notice requirements for utility interruptions.
• Demolition Plan: Requires a detailed plan for demolition activities, including sequencing, disposal, utility disconnection, and safety measures.
• Protection of Existing Facilities: Mandates protection of structures, utilities, and natural resources, including trees and wetlands.
• Environmental Protection: Details requirements for controlling pollution, managing hazardous waste (including asbestos, lead-based paint, PCBs, and mercury), and implementing an Environmental Management System (EMS).
• Waste Management: Outlines requirements for waste separation, recycling, reuse, and disposal, with a goal of diverting at least 60 percent of solid waste from landfills.
• Submittals: Lists required submittals, including Preconstruction Submittals (e.g., Demolition Plan, Environmental Protection Plan) and Closeout Submittals (e.g., Receipts, Waste Determination Documentation).
• Quality Assurance: Details requirements for testing, inspections, and documentation to ensure compliance with contract requirements.

This document is crucial for bidders as it defines the scope of work, safety and environmental regulations, and specific procedures for the demolition and disposal of the hangar. It highlights potential hazards such as asbestos, lead-based paint, PCBs, and hazardous waste, requiring specific management and disposal plans. Bidders must carefully review these specifications to accurately estimate costs, develop their work plans, and ensure compliance with all applicable regulations.