Furnish all labor, services, materials, tools and equipment required for construction of the CDI-Satellite Endstation Building for the research facility NSLS-II, at Brookhaven National Laboratory (BNL).In general, the Work consists of, but is not limited to, the construction of a one story steel and concrete structured addition to existing NSLS II. Inclusive of renovation to a portion of the existing building and complete fix-out of all interior finished and MEP and Telcom systems and site improvements as required as part of the Work.Under Option I of Draft Contract:Furnish all labor, services, materials, tools and equipment required for construction of the ARI SXN Cabins, as detailed in attached specifications and drawings. Updates:April 7, 2022 - Published Amendment No. 1 to IFB No. 408056* with IFB changes.April 15, 2022 - Published Addendum No. 2, attached missing CDI SEB Building Drawing pages.April 21, 2022 - Published Addendum No. 3. Attached revised Bid Sheet, additional drawings, Radiation door requirements.April 27, 2022- Bid due date has been extended until May 16, 2022 (two weeks). May 3, 2022- Published Addendum No. 4, addressing RFI