Condition

✅ Vintage original engineering/structural drawing in used condition. Paper shows age-related toning, fold lines, creases, edge wear, handling marks, and some discoloration/staining consistent with a document from the early 1980s. Writing, dimensions, structural callouts, engineering information, and seal remain visible. Please review all photos carefully for exact condition.

Description

📝 Original vintage structural engineering drawing for a 2 Story Building, Comet III project associated with Hill A.F.B. / Hill Air Force Base, Utah.

The drawing was prepared by Endure Aluminum Products Inc., formerly located at 7500 NW 72nd Avenue, Miami, Florida 33166.

This sheet is titled “Structural Floor Plan & Elevations” and contains detailed architectural and structural information including steel columns, floor joists, beams, plywood decking, stair framing, dimensional layouts, structural elevations, and building bay spacing.

The original drawing date is November 25, 1981, and the sheet also carries a Florida Registered Professional Engineer embossed seal/signature dated April 14, 1982.

An interesting surviving piece of Cold War-era military base construction and engineering documentation, suitable for collectors of architectural plans, military history, engineering ephemera, Hill Air Force Base memorabilia, or vintage construction documents.

Specifications

📋

Project: 2 Story Building Comet III

Location: Hill A.F.B., Utah

Manufacturer: Endure Aluminum Products Inc.

Manufacturer Address: Miami, Florida

Drawing Type: Structural Floor Plan & Elevations

Original Drawing Date: 11/25/1981

Engineer Approval/Seal Date: 4/14/1982

Sheet: 1 of 14

Drawing No.: 4-2302

Shop Order No.: 32993

Color Code: Blue

Scale: Approx. 1/4" = 1'-0"

Document Type: Original vintage engineering drawing / structural plan

Structural Details Shown

📋 The drawing includes numerous technical specifications and construction callouts, including:

Overall building length of approximately 86'-3"

Repeating structural bays approximately 17'-3"

Joist spacing approximately 24" on center

5" square steel columns

3/4" plywood floor decking

Wide-flange steel members including W10 x 15 and W12 x 19

10H3 and 14H3 bar joists

Multiple rows of structural bridging

Interior stair and stair-landing framing

Finished-floor and framing elevations

Structural wall-panel stability notes

Column, beam, joist, opening, and stairwell dimensions

The drawing also includes the note:

“Interior Building Only”

and specifies that lateral stability is provided by structural wall panels installed between columns according to manufacturer specifications.

Engineering Seal

✅ Features an embossed Registered Professional Engineer, State of Florida seal with signature and date 4/14/82, adding an interesting period engineering and provenance detail to the document.

What’s Included

📦

1 original vintage Hill AFB structural engineering drawing

Sheet 1 of 14 only

What’s pictured is what you will receive.

Notes

⚠️ This is an original vintage document, not a modern reproduction. It has been stored folded and displays substantial fold lines and normal age-related wear.

Only Sheet 1 of 14 is included. The other sheets from the original drawing set are not included.

Because this document is more than 40 years old, expect typical vintage paper aging including toning, wrinkles, folds, minor edge wear, marks, and discoloration.

Please use the photos as part of the description.

Shipping

🚚 Drawing will be carefully protected for shipping to help prevent additional damage. It will be shipped folded along its existing original fold lines unless packaging size requires otherwise.

Hashtags

🏷️ #HillAFB #HillAirForceBase #VintageBlueprint #EngineeringDrawing #ArchitecturalDrawing #StructuralEngineering #MilitaryHistory #USAirForce #USAF #VintageEngineering #ConstructionDrawing #UtahHistory #ColdWarEra #1981 #ArchitecturalEphemera

Vintage 1981 Hill AFB Utah Structural Blueprint Endure Aluminum Products 2 Story

Returns Accepted