HSS Connection Welds and Detailing Responsibility?
HSS Connection Welds and Detailing Responsibility?
(OP)
I am trying to define the responsibilities of parties involved in a complicated pipe truss included in a project my company is bidding. We are bidding for structural steel detailing and connection design for a commercial structure. Additionally, there is a fairly complex interconnected truss structure at the roof. After reviewing the AISC 13th manual and the HSS Connection manual, it is obvious there are significant geometrical consideration unique performing calculations in pipe-to-pipe welds (or HSS-to-HSS).
Work-points and loads are provided for the truss members. Any engineer, detailer, fabricator and/opr inspector comments are greatly appreciated. We definitely don't want to miss this on the bid, if we are uninformed, this could be a big-ticket item that really bites us. My basic questions are as follows:
As the connection engineer for the project: is my company responsible for more than specifying the welded type, size and length (weld information)? Or is the connection engineer expected to provide all the weld profile requirements and "zone" information.
As the steel detailer for the project: is my company required to show more than the prequalified weld on the joint? I assume it is similar to indicated a prequalified weld for any other joint and the AISC fabricator is required to follow or adhere to approved welding procedure specification (WPS) and/or procedure qualification record (PQR). Thus, The material would be "fit-exact" and detailed to be placed around the supporting member and the additional weld preps required and/or profile shaping and weld backing build-up would be in the responsibility of the fabricator.
Sincerely,
Greg
Work-points and loads are provided for the truss members. Any engineer, detailer, fabricator and/opr inspector comments are greatly appreciated. We definitely don't want to miss this on the bid, if we are uninformed, this could be a big-ticket item that really bites us. My basic questions are as follows:
As the connection engineer for the project: is my company responsible for more than specifying the welded type, size and length (weld information)? Or is the connection engineer expected to provide all the weld profile requirements and "zone" information.
As the steel detailer for the project: is my company required to show more than the prequalified weld on the joint? I assume it is similar to indicated a prequalified weld for any other joint and the AISC fabricator is required to follow or adhere to approved welding procedure specification (WPS) and/or procedure qualification record (PQR). Thus, The material would be "fit-exact" and detailed to be placed around the supporting member and the additional weld preps required and/or profile shaping and weld backing build-up would be in the responsibility of the fabricator.
Sincerely,
Greg






RE: HSS Connection Welds and Detailing Responsibility?
Dik
RE: HSS Connection Welds and Detailing Responsibility?
SHOWN, OR ONLY PARTIALLY DETAILED ON THE DRAWINGS. CONTRACTOR SHALL RETAIN A
REGISTERED PROFESSIONAL ENGINEER LICENSED IN THE STATE OF OKLAHOMA TO DESIGN
ALL SPLICES AND CONNECTIONS SHOWN, NOT SHOWN, OR ONLY PARTIALLY DETAILED ON THE
DRAWINGS INCLUDING BUT NOT LIMITED TO TRUSS CONNECTIONS, PURLIN CONNECTIONS,
AND COLUMN SPLICES".
Also, the type is often shown and the size is noted "FABRICATOR SHALL SIZE WELDS FOR GIVEN FORCES"
The drawings look nice and they show alot of information and sections. This is not a case of anyone shluffing their responsibilities, I was just wondering how these special connections are handeled by other connection engineers.
RE: HSS Connection Welds and Detailing Responsibility?
Dik
RE: HSS Connection Welds and Detailing Responsibility?
Greg
RE: HSS Connection Welds and Detailing Responsibility?
Dik
RE: HSS Connection Welds and Detailing Responsibility?
RE: HSS Connection Welds and Detailing Responsibility?