Concrete Pads B220

Amendment / Modification

This amendment (0001) to Solicitation W519TC26RA025 modifies the contract to:

• Update CLIN descriptions to specify work areas from the SOW for each CLIN.

• Provide Contractor and Government Questions & Answers (Q&A).

• Update the Statement of Work (SOW) with the following specific changes:

  • Sheet 1: Adjusted Area-6 to exclude a pad near an overhead door.
  • Sheet 4: Reflects the Area-6 adjustment and notes the excluded area.
  • Sheet 7: Added a note regarding tie-back rods needing to be epoxied into the existing concrete slab.

• Section B - Supplies or Services & Prices or Costs: CLINs 0001 through 0007 have been modified to align with specific SOW areas.

• Section C - Description/Specifications/Statement of Work: Miscellaneous text has been modified, including an updated SOW and Q&A.

• The amendment provides updated CLIN descriptions and an updated SOW, which may impact how bidders structure their proposals.

• The amendment also includes Q&A, which may clarify requirements for bidders.

• All other terms and conditions of the original solicitation remain unchanged.

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

This document outlines the requirements for the construction and repair of concrete mounting pads at the Rock Island Arsenal JMTC, Building 220 Annex.

• Demolition and Removal: Removal of existing concrete mounting pads (up to 24 inches thick) and associated debris. Demolition work will primarily occur during the second shift (2:30 PM to 11:00 PM) or Saturdays, while framing, rebar, and pouring will be during the day shift.

• New Concrete Installation: Construction of new concrete mounting pads with a minimum of 5000-PSI concrete. This includes excavation, installation of tie-back supports, and pouring new concrete.

• Repair and Refurbishment: Repair of cracks and damaged concrete in existing Area 6, followed by grinding, polishing to a 200-grit finish, and hardening.

• Specific Area Requirements: Detailed plans are provided for Areas 1 through 7 and Area 8, including specific excavation, reinforcement, and concrete pouring instructions.

• Tunnel Access: Special precautions are required in areas near a tunnel, involving careful cutting and lifting of concrete to avoid damage or falling debris into the tunnel.

• Concrete Strength: Minimum 5000-PSI for new concrete pads.

• Rebar: Double-tied layers of #5 rebar mesh, 6 inches from top and bottom surfaces, with a minimum of 2 rods in each direction. Dowels to be drilled a minimum of 6 inches into vertical faces.

• Expansion Joints: 3/4" expansion joint material (BASF Sonolastic SL-1 or equal) up to 84" deep typical.

• Vibration Isolation: 3/4" rigid foam insulation for vibration isolation.

• Surface Finish: Grinding and polishing to a 200-grit finish for repaired areas.

• Elevation Tolerance: Mounting pads must maintain no greater than 1/4" deviation over 10' where meeting existing concrete.

• Location: Rock Island Arsenal JMTC, Building 220 Annex.

• Work Schedule: Demolition/jack hammering/removal on 2nd shift (2:30 PM - 11:00 PM) or Saturdays. Framing, rebar, and pouring on day shift.

• Dust Control: Water must be used to eliminate dust during demolition and construction.

• Exhaust Ventilation: Gas engine exhaust must be vented outside; diesel engines require catalytic converters.

• Concrete Transport: Maximum haul times for concrete are specified based on temperature.

• Safety: Adherence to all standard safety rules, proper PPE, and coordination with the Contracting Officer Representative for gate passes.

• Security: Compliance with all security notes, including AT Level I training, background checks, and return of access items.

• Discrepancies: Any discrepancies between plans and specifications must be reported immediately.

• Debris Disposal: Debris disposal requires approval from the COR to prevent stormwater runoff.

• Structural Steel: Fabrication and installation must comply with AISC standards.

Questions & Answers / Clarifications

This document provides answers to contractor questions regarding the "Concrete Work Building 220" opportunity (W519TC26RA025).

• Work Area 8 Pricing: The solicitation includes 7 CLINs and 8 work areas. Work area #8 pricing should be included within the CLIN that has a quantity of two, as these pads are similar in size to Areas 2 and 3.
• Testing and Inspection Responsibility: The government requires clarification on whether testing and inspection services are the financial responsibility of the contractor or the owner. Bidders are directed to refer to the Quality Assurance Surveillance Plan (QASP) for guidance, as the question was not specific enough to provide a direct answer.
• Area 6 Quantities and Damaged Concrete: Pictures of quantities for Area 6 and the anticipated amount of "damaged concrete" to be replaced will not be provided at this time.

This document clarifies specific aspects of the solicitation, particularly concerning pricing structure and the interpretation of certain requirements. Bidders should incorporate these clarifications into their proposals. No changes to due dates or submission rules are indicated.

Solicitation / RFP / RFQ

This solicitation (W519TC26RA025) is for "Concrete Pads in Building 220" at the Rock Island Arsenal - Joint Manufacturing and Technology Center (RIA-JMTC). The government intends to award one Firm Fixed Price (FFP) contract to the lowest price, responsive, and responsible contractor.

• The primary work involves "B220 Concrete Work" as detailed in Attachment 0001: 26-4-10 B220 Concrete Work SOW (25-12-30).

• A Quality Assurance Surveillance Plan (QASP) is provided as Attachment 0002.

• Contract Type: Firm Fixed Price (FFP).

• Period of Performance: The contractor shall begin performance within 14 calendar days and complete within 90 calendar days after notice to proceed.

• Estimated Value: Not explicitly stated, but the solicitation anticipates price competition.

• Proposal Submission Deadline: 23 APR 2026, 10:00 AM local time.

• Offers are due at the address specified in Item 8.

• Evaluation Criteria: Award will be made to the responsible Offeror whose offer conforming to the solicitation will be most advantageous to the Government, considering price and other factors. For invitations for bids, only price and price-related factors will be used.

• Performance and Payment Bonds: Required (YES).

• Bid Guarantee: Required.

• The document references "Notice of Total Small Business Set-Aside" (FAR 52.219-6) and "Utilization of Small Business Concerns" (FAR 52.219-8), indicating a potential set-aside, but specific details are not fully elaborated in the provided sections.

• A pre-construction site visit is scheduled for 16 APR 2025 at 10:00 AM Central Time.

• Attendees for the site visit must wear steel-toed safety shoes and safety glasses and must make a reservation at least 24 hours in advance.

• Davis-Bacon Act Wage Determination WD #IL20260001 Modification 3 applies.

• Restrictions on photographic equipment use on Arsenal Island.

• Contact for information: Brandy Heusmann, Contract Specialist (brandy.m.huesmann.civ@army.mil).

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

This document outlines the requirements for the construction and modification of concrete mounting pads at the Rock Island Arsenal (RIA) JMTC, specifically within Building 220 Annex.

• Demolition: Removal of existing concrete mounting pads (up to 24 inches thick) and existing concrete floors (4-8 inches thick) in designated areas.

• Repair and Preparation: Repair of cracks and damaged concrete in existing areas, grinding and polishing concrete to a 200-grit finish, and hardening exposed surfaces.

• New Construction: Installation of new concrete mounting pads and caps with a minimum of 5000-PSI concrete. This includes excavation, installation of tie-back supports, and pouring new concrete.

• Specific Areas: Work is detailed for Areas 1 through 7 and Area 8, with specific notes on existing conditions, demolition methods, and construction requirements for each.

• Tunnel Considerations: Special precautions are required when working near existing tunnel structures, including careful cutting and lifting of concrete to avoid damage or falling debris into the tunnel.

• Concrete Strength: New concrete for mounting pads and caps must be a minimum of 5000-PSI. For Area 8, 4500-PSI concrete is specified.

• Expansion Joints: Expansion joint material (e.g., BASF Sonolastic SL-1 or equivalent) is required, typically up to 84 inches deep.

• Rebar: Double-tied layers of #5 rebar mesh (5/8 inch) are specified, with a minimum of 4 inches clearance from top/bottom surfaces. For Area 8, #8 rebar is specified for tie-backs.

• Vibration Isolation: 3/4 inch rigid foam insulation for vibration isolation is required for mounting pads and caps.

• Elevation Tolerance: New mounting pads must maintain no greater than 1/4 inch deviation over 10 feet, with sloped transitions to existing concrete where necessary.

• Concrete Transport: Specific requirements for concrete temperature and maximum haul times are provided.

• Location: Rock Island Arsenal (RIA) JMTC, Building 220 Annex.

• Work Schedule: Demolition and jackhammering are scheduled for the 2nd shift (2:30 PM to 11:00 PM) or Saturdays. Framing, rebar tying, and pouring will be on the day shift.

• Dust Control: Water must be used to eliminate dust during demolition and construction.

• Debris Removal: All debris must be removed in accordance with local regulations.

• Ventilation: Exhaust from gas engines must be vented outside; diesel engines require catalytic converters.

• Security: Compliance with all security regulations, including AT Level I awareness training, background checks, and proper handling of access passes and keys, is mandatory. Personnel must comply with the iWATCH program and RAMP security program.

• Coordination: Contractors must coordinate with the Contracting Officer Representative (COR) for gate passes, access, and any discrepancies found between plans and specifications.

• Safety: Adherence to all standard safety rules and use of proper Personal Protective Equipment (PPE) is required. Spotters are required for equipment and truck movements.

• Environmental: Containment bales are required to prevent runoff into the stormwater system.

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

This document outlines the requirements for the construction and modification of concrete mounting pads at the Rock Island Arsenal (RIA), Joint Manufacturing and Technology Center (JMTC).

• Demolition: Removal of existing concrete structures, including an estimated 24-inch thick concrete pad in Area 6, and existing concrete floors between 4" and 8" thick in Areas 1-5. Building columns and footings are to be avoided and not disturbed.

• New Construction: Installation of new concrete mounting pads and caps with a minimum of 5000-PSI concrete. This includes excavation, installation of tie-back supports, and pouring new concrete in specified areas.

• Repair and Refurbishment: Repair of cracks and damaged concrete in Area 6, followed by grinding and polishing to a 200-grit finish and hardening the surface.

• Specific Area Requirements:

  • Areas 1-5: New concrete mounting pads, with a minimum 5000-PSI concrete, #5 rebar mesh, and 3/4" expansion joint material.
  • Area 6: Repair and polish existing 4,500-sq-ft concrete area.
  • Area 7: Excavation, installation of tie-back supports, and pouring 4000-PSI concrete, with 3/4" expansion joint material.
  • Area 8: Construction of a new 16" thick concrete lid, using 4500-PSI concrete, with #5 epoxy coated rebar dowels into existing walls.

• General Requirements: Use of water for dust elimination, repair of any damage to floor or soil, removal of debris according to regulations, venting of exhaust outside for gas engines, and catalytic converters for diesel engines.

• New concrete for machine mounting pads and caps shall be a minimum of 5000-PSI.

• Expansion joint material up to 84" deep typical.

• Joint sealant shall be BASF Sonolastic SL-1 or equal.

• Rebar placement: #5 rebar mesh, 12" x 12" spacing, minimum 4" from top or bottom surface, minimum of 2 rods in each direction.

• Dowels: Minimum 6" into vertical face of existing concrete.

• Concrete transport: Maximum haul times and temperature requirements specified.

• Area surrounding mounting pads: No greater than 1/4" deviation over 10' from existing elevation, or sloped to meet existing elevation.

• Work is located at Rock Island Arsenal, JMTC.

• Demolition/jack hammering/removal will be performed on the 2nd shift (2:30 PM to 11:00 PM) or Saturdays. Framing, tying rebar, and pouring will be day shift.

• Safety: Compliance with all standard safety rules, proper PPE utilization, coordination for gate passes, ground rod installation, spotters for equipment, and barricades around job sites.

• Security: Contractor employees must complete AT Level I awareness training, undergo background checks, comply with personal identity verification requirements, and adhere to Force Protection Conditions (FPCON). Access passes and keys are accountable items.

• Coordination: Coordinate work site access with commercial concrete pumping or other processes. Coordinate with the Contracting Officer Representative (COR) for gate passes and functionality. Bring any discrepancies in plans or specifications to the attention of RIA representatives immediately.

• Environmental: Containment of debris to avoid runoff into stormwater systems.

• Tunnel Access: Special caution is required in Area 8 due to a tunnel beneath the existing concrete. Slabs must be lifted out to avoid impact on tunnel walls. A confined space permit is required for basement access.