Bldg 229 Demo Amendment 2

Amendment / Modification

This amendment modifies the solicitation W50S7126RA001, originally dated 06 FEB 2026.

• The primary change is the addition of an updated Performance Work Statement (PWS) created after a site visit.

• The "List of Contract Documents, Exhibits, or Attachments" section has been updated.

• The following document was added: PWS FFAN242229 Bldg 229.

• The following document was deleted: PWS_FFAN242229_Demo Test Cell Storage & Concrete Bldg 229_v4.

• Several drawings and a Wage Determination (Number 201, Revision 27) were listed as attachments, with dates of 10 FEB 2026, and remain unchanged.

• This amendment does not explicitly state a change to the proposal deadline or submission requirements. However, bidders should ensure they are referencing the most current PWS document.

Statement of Work (SOW) / Performance Work Statement (PWS)

This Performance Work Statement (PWS) outlines the requirements for the demolition of Building 229, associated utilities, concrete, and asphalt, and the subsequent repair of the area for storm water management and maintainable grade. The goal is to return the area to a state that allows for easy maintenance and does not encourage wildlife shelter.

• Demolition of Building 229, including all foundations.

• Demolition of concrete and asphalt roads/pads.

• Demolition of test cell footings and foundations.

• Demolition of trench foundations and retaining walls.

• Demolition of blast walls.

• Demolition of vehicle barriers.

• Demolition of metal retaining walls.

• Demolition of storm sewer lines and structures.

• Demolition of electric lines, conduits, and electrical gear.

• Demolition of sanitary sewer lines.

• Repair of grade for storm water management and to create a mowed/maintained end grade.

• Provision of fill dirt from an off-base location.

• Environmental protection, accident prevention, quality control, and waste management plans.

• Lead paint and asbestos testing and abatement.

• Installation and completion of monitoring well MW-12S surface.

• Seeding and fertilization of the area.

• All demolition debris must be recycled or reused to the greatest extent practical.

• Solid waste, landscape waste, and industrial waste must be recycled or processed.

• Reporting of waste generated and recycled quantities is required quarterly.

• Compaction reports for fill material are required.

• Seeding product data, warranty information, and fertilizer analysis must be provided.

• Final punchlist and closeout documents are required.

• A dedicated Superintendent with a minimum of ten years of construction experience must be physically present on-site.

• Bi-weekly progress meetings are required.

• Quality Control (QC) Plan and Quality Assurance (QA) Plan are required.

• Monitoring well completion must protect the bentonite seal and PVC casing.

• Final grading must ensure proper drainage and allow for mowing.

• Seeding must result in a live, healthy, growing, and well-established condition without erosion, weeds, or disease.

• Period of Performance: 6 months.

• Place of Performance: Building 229 and the general area.

• Work hours: Monday through Friday, 0700 - 1630, excluding recognized US holidays or government-directed facility closures.

• Teleworking is not authorized.

• Contractors must comply with all installation access, security, traffic, fire, and safety regulations.

• Personal identity verification and base identification/vehicle passes are required.

• Government-furnished property/materials/equipment/services are limited to water.

• Contractor must furnish all other necessary property, materials, and equipment.

• No earth and dirt material may be removed from the installation.

• All work must comply with applicable federal, state, and local regulations, including environmental and safety standards.

• Organizational Conflicts of Interest (OCI) must be identified and mitigated.

• Contractor employees must identify themselves as contractors in relevant situations.

Form / Attachment / Pricing Sheet

This document is a "Record of Monitoring Well Construction" for a flush mount monitoring well (ID: MW-12S). It details the construction specifications of the well.

• Project Information: Project Title/Number (6332115-0215 RI for PFAS at Des Moines ANGB, IA), Location (Des Moines, IA), Site Geologist (Zachary Spotts).
• Well Details: Date/Time Installed (10/03/25 1545), Depth to Water (2.37 ft on 10/07/25), Drilling Method (Sonic).
• Construction Components:
  • Protective Casing: Type MW Manhole.
  • Riser: 2-inch diameter, 11 feet length, PVC material (Johnson Screens).
  • Seal: Bentonite (3 bags, WYO-BEN).
  • Filterpack: 16/30 Clean Sand (5 bags, Metered pour).
  • Screen: 2-inch diameter, 10 feet length, 0.010 inch slot size, PVC material (Johnson Screens), threaded pipe joints.
  • Grout: Type N/A.
• Depths: Top of riser, top of seal (N/A), top of filterpack (9 ft bgs), top of screen (11 ft bgs), bottom of screen (21 ft bgs), bottom of well (21 ft bgs).
• Other Notes: Approximately 29 gallons of water added during drilling. All features are not to scale. Definitions for 'ags' (Above Ground Surface) and 'bgs' (Below Ground Surface) are provided.

This document provides specific technical details about the construction of a monitoring well. Bidders may need this information to understand the existing infrastructure or to plan for any work related to this well, such as sampling, maintenance, or decommissioning, as part of a larger environmental or construction project.

Forms / Attachments / Pricing Sheets

This document contains a "DEMO PLAN" which outlines the demolition requirements for Building 229 and associated infrastructure at the Iowa Air National Guard Base, Des Moines International Airport. It serves as a visual guide and specification for the demolition work.

• Demo Key Notes (CLIN 1): Details specific items to be demolished, including Building 229 and its foundations, concrete and asphalt roads/pads, test cell footings, trench foundations, retaining walls, blast walls, and vehicle barriers.
• Pavement Removal: Instructions for saw-cutting existing pavement where it connects to proposed pavement.
• Foundation Removal: Specifies complete removal of all foundations.
• Monitoring Well: Notes on raising existing monitoring wells to new elevations and contractor responsibility for any damage.
• Utility Demo Plan (U-1): Details the removal and abandonment of storm sewer lines, electrical lines, and sewer lines, including plugging abandoned lines and filling demoed areas.
• Grading Plan (CS-1): Provides contour lines and general grading information for the site.
• Reference Plans (R-S1, R-S2, R-S3, R-S4): Show detailed information on foundations and structural elements related to the demolition.

This plan is critical for bidders to understand the full scope of demolition work required. It details the specific structures, utilities, and site elements that must be removed, as well as general site preparation and grading considerations. Bidders must use this information to accurately estimate costs and develop their approach for the demolition project.

Form / Attachment / Pricing Sheet

This document provides a floor plan for Building 229, located at the Iowa Air National Guard Base in Des Moines, Iowa. It details the layout and dimensions of a storage area within the building.

• Floor plan of Building 229.
• Identifies a "STORAGE" area measuring 100 square feet (818 SF is also indicated, likely a typo or different measurement).
• Includes a key reference number: 211-152.
• Provides drawing details: Date (04/13/2021), Drawing By (SJS), and project information.

This floor plan is relevant for bidders who may be involved in construction, renovation, or maintenance activities related to Building 229. It provides a visual representation of the space, which could be important for understanding the scope of work, material requirements, or site conditions for any associated opportunity.

Amendment / Modification

This amendment incorporates the Wage Determination and Drawings into the Solicitation.

• The Performance Work Statement (PWS_FFAN24 2229_Demo Test Cell Storage & Concrete Bldg 229_v4) remains the same.
• The following documents have been added:
  • Wage Determination Number 201 Revision 27
  • Drawings: WCD MW-12S
  • Drawings: demo 229 BID
  • Drawings: BLDG 229

This amendment does not appear to modify proposal deadlines or submission requirements, but bidders should review the newly incorporated Wage Determination and Drawings to ensure their proposals are compliant.

Performance Work Statement (PWS)

This PWS outlines the requirements for the demolition of Building 229, associated utilities, concrete, and asphalt, and subsequent grading for storm water management and maintainable end grade. The goal is to return the area to a state that allows for easy maintenance and proper storm water management, while not encouraging wildlife.

• Demolition of Building 229, including all foundations.

• Demolition of all concrete and asphalt roads/pads.

• Demolition of test cell footings and foundations.

• Demolition of trench foundations and retaining walls.

• Demolition of blast walls, vehicle barriers, and metal retaining walls.

• Demolition of storm sewer lines and structures, and electrical lines, conduit, and electrical gear.

• Demolition of sanitary sewer lines.

• Repairing grade for storm water management and an end grade that can be easily mowed/maintained.

• Protection and potential re-establishment of Monitoring Well MW-12S.

• Provision of fill dirt and topsoil.

• Seeding and establishment of vegetation.

• Contractor shall develop and maintain a Quality Control Plan (QCP).

• Contractor shall comply with all installation/facility access and local security policies.

• Contractor shall provide various reports including, but not limited to, environmental protection, accident prevention, quality control, waste management, soil compaction, seeding product data, and final punch lists.

• Waste generated shall be recycled or reused to the greatest extent practical.

• Reporting of waste quantities and diversion/recycling efforts is required quarterly.

• Final product must ensure the area does not encourage wildlife shelter.

• Period of Performance: 6 months.

• Place of Performance: Building 229 and the general area.

• Work hours: Monday through Friday, 0700 - 1630, excluding recognized US holidays.

• Government Furnished: Fill dirt (as part of CLIN #3 Option #2) and water from the nearest fire hydrant.

• Contractor Furnished: All other personnel, equipment, tools, materials, supervision, and quality control.

• Lead paint and asbestos testing for Building 229 prior to demolition.

• Specific procedures for protecting and re-establishing Monitoring Well MW-12S.

• Compliance with environmental protection, erosion control, and storm water management requirements.

• Contractor must provide a dedicated Superintendent with a minimum of ten (10) years of relevant construction experience, present on-site during all work periods.

• All documents and materials produced under this contract are Government-owned with unlimited rights.

• Organizational Conflicts of Interest (OCI) must be managed and reported.

• Combating Trafficking in Persons policy must be adhered to.

Form / Attachment / Pricing Sheet

This document is a Des Moines ANGB Access Request Letter for non-DoD ID cardholders. It is used to request installation access for individuals who will be escorted by a sponsor. The information provided is required to conduct a criminal history check, which must be favorable for installation access.

• Sponsor Name
• Building(s) Requesting Access
• Dates Requested
• A table requiring the following information for each visitor:
  • Last Name, First Name, MI
  • Driver's License # or State Issued ID #
  • State
  • Company
  • Date of Birth
  • Contractor or Delivery (C/D)
• Sponsor's Signature and Date
• Sections for Security Forces Personnel to record vetting and addition to an Entry Authorization List (EAL).

This form is relevant to bidders if they are required to escort non-DoD personnel onto the Des Moines ANGB installation. Bidders must ensure that all individuals they intend to escort have the necessary information provided on this form, and that the criminal history check requirements are met. It also outlines visitor requirements, such as having a state-issued ID for those over 18 and specific documentation for those driving on the installation.

Solicitation / RFP / RFQ

This document is a solicitation (W50S7126RA001) for the demolition of Building 229. No follow-on construction is anticipated. The North American Industry Classification Standard (NAICS) code is 238910, with a size standard of $19,000,000.00.

• Demolition of Building 229.

• Product Service Code (PSC): P500.

• Contract Type: Firm Fixed Price.

• Period of Performance: May 8, 2026, to October 30, 2026.

• Place of Performance: CE MAINT AND REPAIR, AF BPN NO MILSBILLS PROCESSES, 3100 MCKINLEY AVE, DES MOINES, IA 50321-2799, UNITED STATES.

• Solicitation Issue Date: February 6, 2026.

• Offer Due Date: March 6, 2026, at 01:00 PM.

• Evaluation Factors: Technical Capability and Price. Technical capability will be evaluated based on:

  • Three similar projects within a 100-mile radius of Des Moines, Iowa.
  • Name and experience of the site superintendent.
  • A brief timeline and explanation of project completion.

• Price will be evaluated, and if technical capability and price are equal, the lowest price will be considered first.

• This acquisition is set aside for Small Business.

• The solicitation incorporates FAR clauses by reference, including but not limited to 52.212-1 (Instructions to Offerors), 52.212-2 (Evaluation), and 52.212-3 (Representations and Certifications).

• DFARS clauses are also incorporated by reference.

• Payment will be made via Wide Area WorkFlow (WAWF).

• The Performance Work Statement (PWS) is attached and dated January 28, 2026.