We recently spiral rolled 1/2″ and 1″ plate for a custom spiral staircase in a multi-million dollar luxury home on Green Street in San Francisco, California.
We provided the rolled plate for the staircase and then flat plane rolled the plate for the landings. The tightest radius was a 29.75” center line radius.
Suffolk County Community College (SCCC), recently opened its new $30 million, 75,000 square foot Learning Resource Center (LRC) and library on the Michael J. Grant Campus in Brentwood, Long Island, New York. Albina Co., Inc. bent the steel spiral stringers for the project. The steel spiral stringers consisted of spiral bent tube steel 20″ X 4″ X .500″ WALL A500 GR B the easy way to a 14 ft. plan view radius. We also bent the landings to a similar radius. We also spiral bent tube steel 14″ X 10″ X .500″ WALL A500 GR B the easy way to a 19 ft. plan view radius and the landings also to a similar radius.
On a recent trip to Washington DC, we had the pleasure of touring the Capitol Building and we were able to capture some pictures of The Capital Visitors Center spiral staircase we bent years ago. The project consisted of flat and spiral bending of angle, channel, flat bar, solid square, wide flange (up to W18 x 76#) and square tubing (up to 10″ x 10″ x .500″ wall spiral bent).
Main Landing View of Capitol Visitors Center Spiral Staircase
Albina recently completed the spiral bending of 24 pieces of Tube Steel 14″ X 4″ X .500″ WALL A500 GR B the easy way and 10 pieces of Tube Steel 12″ X 3″ X .375″ WALL A500 GR B
the easy way for a gorgeous spiral steel staircase at Brickell Academy in Virginia Beach, VA. All of the material for the curved staircase and landing was architecturally exposed structural steel.
Orange Coast Memorial Medical Center is the only nonprofit hospital in Fountain Valley, CA. Albina recently spiral bent and flat bent Tube Steel 16″ X 8″ X .500″ WALL A500 GR B to 13’ 6” and 18’ 10” plan view radii the easy way to form the spiral stringers for the staircase. See the installation pictures below. Finished install pictures coming soon!
Enjoy the latest install pictures of the 20” x 8” x .625” wall tube steel which provides the base supports for a heavy weight bearing spiral staircase at the Lakeside Campus in Richardson, Texas. The tube steel was spiral bent the easy way using our induction heat source and increment bend method. The tube steel was bent down to a 7’ 7” center line (plan view) radius and all bends were to AESS standards. Albina also bent tube steel 20” x 12” x .625” wall for a different section of the spiral staircase. The 20″ x 12″ material was bent down to a 13’ 9” center line (plan view) radius and all bends were to AESS standards.The specifications to bend to a center line radius this tight is almost unheard of, but Albina was able to do it to perfection!
Steel Spiral Stringers for Heavy Weight Bearing Spiral Staircase
Tube Steel 20″ x 12″ and 20″ x 8″ for Spiral Staircase at Lakeside Campus in Richardson, Texas
Upon extensive review of the plans submitted to Albina for production, it was determined that some radius changes were required. Many of the original radii required were actually deemed “too tight” to bend. Original plans called for bends that were as tight as a 3’-8” Centerline Radius. To remedy this problem, Albina was able to provide suggestions and recommendations regarding the radii that we were able to successfully bend while maintaining a high level of AESS (architecturally exposed structural steel) quality.
This was a unique project because the stringers, as detailed, included numerous different radii. Many stringers are designed with a single radius or just a few radii. This staircase was originally designed with such complexity that it would have been fabricated from 38 individually bent members. Albina’s suggestion to decrease the actual number of parts and instead “blend” some parts together helped simplify the bending process, and reduced the total number of full-penetration weld splices that customer would need to perform during fabrication. After much discussion, the staircase was redesigned, resulting in only 24 individual members (a 37% decrease in the number of bent parts and full penetration weld joints). These changes resulted in a quicker lead-time and a labor cost savings.
After receiving the elliptical bends from Albina, the customer commented, “Albina worked with us on time frames and cost issues. Albina must roll these pieces perfectly or we can’t even attempt to get a finish product on this end. We are counting on these things being correct…period. Albina is not afraid to take the risk of rolling a radius that hasn’t been done before. I appreciate the consistent and un-prodded reports on job status and progression.”
Albina Co., Inc. recently completed various lengths of curved rectangular tube steel for the curved portion of the face of the new Harley Davidson building in Scottsdale, Arizona. We also bent various internal structural steel elements for the interior of the building as well as a spiral staircase.
Albina Co., Inc. recently rolled steel plate to create the spiral stair stringers for a beautiful custom curved steel staircase in California. The plate sections consisted of 1/2″ x 14″ A36 plate rolled counter clockwise to a 38′ 8″ radius and 43′ 9″ radius. For portions of the landing area, 1″ X 14″ A36 plate was rolled anywhere from a 37′ 7″ radius to a 42′ 6″ radius. Various other structural steel members were bent including 4″ X 4″ X ¼” ANGLE A36 rolled legout to a 37′ 6″ radius.