Sol_140P5424Q0004_Amend_001_Attach__0002-_Additional_Specs_0001.pdf

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BUILD FIVE 18TH CENTURY CANNON CARRIAGES Federal contract opportunity
Solicitation number
140P5424Q0004
Issued by
Department of the Interior National Park Service Southeast Region

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This federal contract solicitation requests proposals to build five 18th century cannon carriages for the Department of the Interior National Park Service Southeast Region. The solicitation number is 140P5424Q0004 and seeks to construct wooden wheeled carriages that can transport cannons weighing approximately 1,000 pounds each. Offerors must have experience replicating 18th century woodworking techniques and knowledge of appropriate materials. Proposals are due by April 15, 2023 and the contract is expected to be awarded by June 1, 2023. The period of performance is from June 15, 2023 through March 15, 2024.

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Sol_140P5424Q0004_Amd_0001.pdf PDF
Sol_140P5424Q0004_Attach__0001-_SOW.pdf PDF
Sol_140P5424Q0004.pdf PDF

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Text version

Amendments to the provided plans are as follows:

• Carriage size: use the section in the provided plans described for the “4-PDR.” to construct the carriages. Completed 6-pounder carriage size is referenced on “page 2” of the cannon carriage plans provided. See section labeled “left Cheek for 6-PDR Cannon #1655” within those plans for detailed measurements.

• 6-pounder Cannon: approximate cannon dimensions are provided on “Iron 6 pdr measurements.pdf”. Tube measurements are for general reference and should not be used for final measurements to fit carriages to cannon. Final measurements will require the contractor to carry out a site visit to confirm exact measurements. Care must be taken when fitting the cannon trunnions to the cheeks and cap squares of each cannon. These measurements will vary slightly for each of the five cannons.

• Cap Square Hinges: Spacing between hinge bolt and cap square hinges shall be no less than 1/8th of an inch, after all paint coatings are applied to the metal.

• Trunnion Iron: trunnion iron shall be placed on top of the cannon cheeks, do NOT countersink.

• Carriage Cheek kick plates: iron kick plates made to match the style and design of the kick plate shown in “6 lb. kick plate pic.jpg.” shall be placed at the rear of each carriage cheek.

• Axle Boxes: axle boxes shall be made from cast bronze.

• Axle Trees: axel trees must have shoes of 14-gauge sheet copper with 2D nails. This is to cover the friction area under the axel washers and trucks.

• Quoin: construct two quoins for each carriage. Quoins should be follow all measurements included in “Spanish Carriage Quoin Measurements.pdf” except length of quoin will be 16 inches not including the 6 inch knob handle.

United States Department of the Interior

NATIONAL PARK SERVICE

Castillo de San Marcos National Monument Fort Matanzas National Monument

1 South Castillo Drive St. Augustine, Florida, 32084

(904) 829-6506

Castillo de San Marcos & Fort Matanzas 6-Pounder Cannon Tube Measurements

Average Trunnion Diameter: 3.5 inches. Some are oval in shape.

Note: contractor must measure each of the five cannons to best fit to new carriages.

Width of Cannon at Trunnion: 18 inches

Length of cannon from forward of 2nd Reinforce ring to aft of breech ring: 36 inches.

Bore Diameter: 3.5 inches.

Amendments to FY24 carriage project
Iron 6pdr Measurements
NPS Spanish Garrison Carriage Plans 4pdr to 6pdr
Spanish Carriage Quoin Measurements
NPS Spanish Garrison Carriage Plans
NPS Spanish Garrison Carriage Plans
pg 2

6 lb. kick plate pic

File details come from the government source that posted it. Updated .