Roofing Replacement at Hannibal Locks and Dam

The U.S. Army Corps of Engineers (USACE), Pittsburgh District intends to procure a construction project that involves the roofing replacement at Hannibal Locks and Dam, Monroe County, Hannibal Ohio. The contract generally includes the removal and replacement of nine (9) machinery house roofs, one (1) middle wall pier roof, and one (1) land wall pier roof. These eleven (11) roofs are located on the service bridge of Hannibal Lock and Dam.

In general, the tasks required in the performance of this contract include:

Land Wall Pier Roof:

• Removal of existing built up roof, ballast, aluminum flashing, and roof drain from a 9 ft by 14 ft flat roof. 
• Repair any damage to the existing concrete roof deck making and based on existing conditions, tapered insulation may need to be installed to provide positive drainage towards the existing roof drain. 
• Replace any sections of the 3-1/2” cant strip with nailable lightweight concrete. 
• Install new fully adhered, 90 mil EPDM roofing system, conforming to ASTM D4637/D4637M. 
• Install new roof drain with dome and removable sediment trap connected to the existing 3” threaded outlet.
• Install new 1/8” aluminum flashing to provide a watertight seal from the existing 6” aluminum fascia to the new rubber membrane. It is assumed two separate flashing pieces will be needed due to the geomerty of the existing roof and the existing 3-1/2” cant strip. See Figure A for the flashing details of the existing roof. 
• Install new permanent fall protection system for use as part of the contractor’s personal fall arrest system that permits access to the entire roof for 2 people. 

Middle Wall Pier Roof:

• Removal of existing built up roof, ballast, aluminum flashing, and roof drain from a 12 ft 2 inch by 11 ft 2 inch flat roof. 
• Remove and reinstall the existing lightning protection system on the roof.
• Repair any damage to the existing concrete roof deck making and based on existing conditions, tapered insulation may need to be installed to provide positive drainage towards the existing roof drain. 
• Replace any sections of the 3-1/2” cant strip with nailable lightweight concrete. 
• Install new fully adhered, 90 mil EPDM roofing system, conforming to ASTM D4637/D4637M. 
• Install new roof drain with dome and removable sediment trap connected to the existing 3” threaded outlet.
• Install new 1/8” aluminum flashing to provide a watertight seal from the existing 6” aluminum fascia to the new rubber membrane. It is assumed two separate flashing pieces will be needed due to the geomerty of the existing roof and the existing 3-1/2” cant strip. See Figure A for the flashing details of the existing roof.   
• Install new permanent fall protection system for use as part of the contractor’s personal fall arrest system that permits access to the entire roof for 2 people. 

Machinery House Roofs Pier 1 and Pier 9:

• Removal of existing built up roof, ballast, aluminum flashing, and roof drain from a 21 ft 4-1/2 inch by 27 ft 6 inch flat roof. 
• Replacement of the arched acrylic plastic skydomes with a new skylight system. 
• Inspect and replace any damaged wood as part of the 2 inch by 8 inch wooden curb. 
• Inspect and replace any cant strips on the roof and around the wooden curb.
• Repair any damage to the existing concrete roof deck making and based on existing conditions, tapered insulation may need to be installed to provide positive drainage towards the existing roof drain. 
• Install new fully adhered, 90 mil EPDM roofing system, conforming to ASTM D4637/D4637M. 
• Install one new roof drain with dome and removable sediment trap connected to the existing 3” threaded outlet.
• Install new 24 gauge aluminum flashing to provide a watertight seal from the existing aluminum reglet over the new ruber membrane roof. See Figure C for the flashing details of the existing roof.  
• Install new permanent fall protection system for use as part of the contractor’s personal fall arrest system that permits access to the entire roof for 2 people. 

Machinery House Roofs Pier 2 thru Pier 8:

• Removal of existing built up roof, ballast, aluminum flashing, and roof drain from a 30 ft 9 inch by 27 ft 6 inch flat roof. 
• Replacement of the arched acrylic plastic skydomes with a new skylight system. 
• Inspect and replace any damaged wood as part of the 2 inch by 8 inch wooden curb. 
• Inspect and replace any cant strips on the roof and around the wooden curb.
• Repair any damage to the existing concrete roof deck making and based on existing conditions, tapered insulation may need to be installed to provide positive drainage towards the existing roofing drains. 
• Install new fully adhered, 90 mil EPDM roofing system, conforming to ASTM D4637/D4637M. 
• Install two new roof drains with dome and removable sediment trap connected to the existing 3” threaded outlet.
• Install new 24 gauge aluminum flashing to provide a watertight seal from the existing aluminum reglet over the new ruber membrane roof. See Figure C for the flashing details of the existing roof.    
• Install new permanent fall protection system for use as part of the contractor’s personal fall arrest system that permits access to the entire roof for 2 people. 

The work shall be completed within 270 calendar days after written Notice to Proceed.

In accordance with FAR 36.204 and DFARS 236.204, the estimated magnitude of this construction project is:  Between $500,000 to $1,000,000. 

The Government is planning a pre-bid site visit; the date and time will be in the solicitation.

All *responsible Offerors are encouraged to participate. The IFB will be issued on or about 08 December 2022, online through Procurement Integrated Enterprise Environment (PIEE) which posts the opportunity to SAM.gov; therefore, requests for hardcopies of the solicitation package will not be honored.

*Responsible means a contractor that meets the standards in FAR 9.104 - available at https://www.acquisition.gov

In order to submit a Bid on this project, your company must –

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Procurement Integrated Enterprise Environment (PIEE) Solicitation Module Registration

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