structural drawing check list

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  • 7/28/2019 Structural Drawing Check List

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    Checklist for Structural DrawingsChecklist for Structural Drawings General Layout Plans Material Connections Finish Structural drawings coordinated with balance of contract documents. Specifications in agreement with contract drawings. Complete set of contract documents available including structural, architecturaland mechanical. All design loads on the drawings where designed by others are included in set. Limi t use of "similar" details. I f used, call out what is similar so the builder canidentify what is expected. Typical details can be applied to similar conditions, but

    draw unique conditions. Coordinate structural drawings with minimum sizes and spaces required by ULassemblies noted on the architectural drawings. 30"x42" maximum size sheets. No detail manuals. Adequate section cuts to define extent of details. Make the transition betweendetails clear. Cloud revisions to bid documents.

    Layout/Plans Grid system fully dimensioned and coordinated with architectural drawings. All framing member sizes, cambers and located from a gridline shown. Elevation of top steel at each of member called out:--As a minimum, provide control points which allow detailer to calculate.

    --Deck bearing may be applicable at hip/valley roofs and other complex geometry.--Assign coordination for joist bearing depth changes. Top of concrete elevation identified at all bearing points of steel. Type, gauge and extent of metal deck noted on plan. Slab edge conditions defined (bent plates, light gao pour stops, etc.) anddimensioned from grid. lV1echanical Coordination:--Identify loads on joists and girders.--Floor and roof opening sizes and locations. Locations and sizes of outriggers, kickers, etc., defined or shown. Identify or notearchitectural or mechanical items which may control the installation dimensions. Column splices detailed with location defined or criteria identified. Locations of penetrations or notches in steel beams identified.

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    Material Grade of steel clearly defined for all steel members Bolt size, type and any slip critical requirements identified. Metal deck profi le, gauge and finish. Call out minimum section properties requiredand fastening requirements. List design diaphragm shear loads. Location size and details for bearing pads, slide bearings and other specialty items. Specifying joists and joist girders--Use 7 V2" deep bearings (minimum) at all joist girders.--Use 5" deep bearings at all joists with gravity end reactions exceeding 10k or

    uplift end reactions exceed 5k.--Joists and girders with top chord axial force or applied end moments aredesigned with strap plates to transfer load into the chord.--Indicate net wind uplift pressures for design on the drawings.--Identify joist depth at the center line of bearing to accommodate 2 V2" minimumdepths for K series joists.

    When defining loads on special joists:--Define gravity and lateral load separately.--Indicate gravity, add self weight to above loads where member self weight isunknown.--Do not specify a standard joist designation with special loading.--Consider constant shear joists where locations of loading are uncertain.

    Connections Required reactions fo r all shear connections noted on plan or in schedules. Option to provide shear connections as detailed on the structural drawings ordesigned by fabricator if accompanied by sealed calculations demonstratingcompliance with specified reactions. Bracing connections sized and fully defined. Identify working lines fo r the detailer.

    I f connections are designed by the fabricator, provide a concept detail and givetransfer forces on the drawings. Moment connections fully sized and defined. All steel to concrete connections fully defined on drawings (anchor bolts, baseplates, embeds, etc.) Number distribution required shear connections for composite beams. Required surface preparation for painting. Define extent of "exposed structuralsteel" fo r areas to receive fireproofing. Location of which areas do not require painting in finished structure. Items requiring galvanized clearly noted. Definition of finish paint for coordination with shop primer.