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Anyone have design references or old catalogs from the former Mac-Fab Products? Looking for info on their Mac-Cor deck and shear connectors to evaluate structural modifications. Many thanks in advance! Jeffrey M. Fick, PE Popli Design Group

The building was designed/constructed in 1965. A general detail/section indicates 1-5/8" 18-ga roof deck w/ minimum section modulus of 0.25. We measured 6" flute spacing & 24" panel width during a field visit. The deck spans between roof trusses and is topped with 1" insulation and...

Thanks Mike. No idea, that's all I have. Jeffrey M. Fick, PE Popli Design Group

Anyone come across a 1-5/8" roof deck in their work on older buildings? Flutes are about 6" wide and sheets are 24" wide. Structure was designed/built in 1965. Section modulus listed was 0.25 in3. Just looking for additional data. Thanks!

Keystone deck.http://files.engineering.com/getfile.aspx?folder=fecf2105-1768-4687-9103-d3f04548ad99&file=Keystone_deck_1968_new.pdf

I finally came across literature on older HH Robertson deck after contacting Epic Metals. Thought I would share with the group. First file is for long span roof deck. Second file is for keystone deck. Enjoy!

Photo of "Deck A" per my earlier sketch.http://files.engineering.com/getfile.aspx?folder=7b3e56c1-4efc-483c-b824-3cb4c9630c02&file=IMG_9278.JPG

Photo of "Deck B" per my earlier sketch.http://files.engineering.com/getfile.aspx?folder=5ebacb6a-4570-4a6d-93cf-2775c46ce9e2&file=IMG_3984.JPG

wannabeSE I have seen multiple references/specifications for Robertson Keystone deck without ever finding any information too! I have been wanting to add something on this deck to my collection for years, just can't find it...oh well, the search continues!

Anyone else out there that may have come across these deck types?

H57 - I would agree it is similar but the dimensions appear to differ. I should mention these buildings were constructed sometime between the 50's - 70's (best estimate on LIMITED record drawings)...

I'm involved in a re-roofing project and need to check roof structure capacities for increase in gravity weight (due to insulation) and diaphragm shear, per IBC. For two of the handful of roofs I inspected, of which record drawings are not available, I was able to field measure the general deck...

JedClampett - I downloaded the file no problem. Upon first glance it appears this is what I need. Thanks!!!!

I am in the process of analyzing an existing building built around 1974. Record documents specify 3" NF Inland Ryerson Metal Deck. Does anyone have old catalogs/design information for this deck - specifically diaphragm data?

I am evaluating an existing metal deck and concrete floor system. Original documents (1980's) specified a Mac-Fab B1A deck. My search for design info has come up empty thus far - hoping someone here could help.

Thanks for the reply BAretired!! However, the drawings I have make reference to Robertson's "Keystone" deck. I am not sure if the information you provided applies?!?!

Anyone have data on HH Robertson "Keystone" Decking? I need to analyze an existing floor system which has this metal deck.

rcd445/SlideRuleEra - thanks for the posts!! rcd445 - do you have the ability to forward the Cornell Corp. data you have?

Building was constructed in the 1960's, Buffalo, New York. It is a high school ice hockey arena. Cement-fiber deck was originally supported by thin-walled box purlins spanning between long-span trusses. Box purlins have a continuous longitudinal slot at top to accept a clip anchoring deck...

We are looking at an older building with cementitious, wood fiber roof deck similar to Tectum. Manufacturer's rep suggests that product is actually PetriCal by Fireproof Products Company (now Cornell Corporation). I am in need of technical design data for this product, particularily diaphragm...