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Plan Check 1727, <br /> Larry Callahan <br /> August 9, 19II5 <br /> Pa9e Six <br /> c. Aggre9ate having a maximum size of 3/4" should be specified for� the <br /> concrete in the iloor decks. Section 2603(d) and Evaluation Report <br /> PFC-2869. <br /> d. Partic�lar attention during special inspection should be directed to <br /> placFment of the concrete around the top chord of the joists to achieve <br /> composi��e action. <br /> e. A set of 43 generic details for the Nambro system have been submitted. <br /> No section cuts are provided on the plans to indicate where the sections <br /> apply. Therefore, our review of the system cannot be completed at <br /> this time. Section 302(c) . However, comments f-j are based on the <br /> data submittPd. <br /> f. Details 23,24,29,39,40 & 41 have "fill-in-tfie-blanks" data that has <br /> nct been completed. <br /> g. The girder seats on Details 25,30 & 31 sliould have their welds shown <br /> to verify the adequacy of the connections. <br /> h. Brac�ng as shown in Details 7,8,10,11 & 18 should be located on the <br /> plans including spacings, number of bays, etc. <br /> i . Detween grids E & F at grid 3. 1, an H2405 joist is shown at levels <br /> 200 through 400. The span is not dimensioned but it scales 23' in <br /> some cases and 24' in others. 7he load .�ables submitted indicate <br /> a maximum span of 22' for these joists. <br /> j. Between grids C & D at grid 7, the joist spacing on the second floor <br /> exceeds the allownole 5' span of the slab. <br /> 7. Taftrus composite floor girders: <br /> a. Composite open web "Taftrus" 9irders are Froposed for portions of <br /> the floor structure. You may wish to request that engineering data <br /> for this system, including test data, be submitted for your review. <br /> Section 105, Section 2714, and UaC Standard 27-4 <br /> b. The manufacturer's data submitted to us does not include the above <br /> data, but does include load tables. However, the girder truss number- <br /> ing on the plans does not correspond to the load table designations , <br /> and no schedule is shown on the plans. Section 302(c) <br /> c. The trusses should be manufactured under a quality-control pro9ram <br /> monitored by an independent third parry. Section 105 <br /> ���■�� <br />