Stair Rebar

Evidence scope

The images identify controls in the exercised build. Read the version and run limitations below before applying the workflow. Proposed exercises are not verified results; no accepted result-model download is available for this tool.

BimSpeed.STR → Stair → Stair Rebar uses layout selection, a work plane and illustrated point picking. Stair Rebar 2.0 adds recognition and batch selection; their entry workflows differ.

1. Open a view suitable for the stair's longitudinal plane. Select a layout and read Overview, Pick points and Detail A/B illustrations.
2. Select each numbered bar group to edit its diameter; review pitch, cover and layout dimensions. The radio buttons do not enable/disable groups.
3. Pick the work plane and follow the point order and direction shown. Beam dimensions apply to Stair beam layout.
4. Create Rebar queues a model operation through ExternalEvent. The modeless window can hide and return while picking; avoid repeated clicks during processing.
5. Read the report and inspect actual Rebar. Use a longitudinal section and Fine 3D view for top/bottom bars, top reinforcement and support anchorage, then Save As.

Layout-dependent inputs

Illustrations define point positions and dimension symbols. After switching layout, review the picked geometry. Reusing geometry from a different layout can move bars outside their host. F1/F2, L1/L2, anchorage and extension follow the selected diagram; they are not interchangeable with overall stair-run dimensions.

Proposed exercises

On a copy, keep diameter/geometry fixed and change spacing 150 → 100 → 200 mm, checking Quantity per group. Select a different group and verify its independent diameter. Change top-bar diameter while keeping bottom diameter unchanged, then inspect both native sets. These exercises have not been accepted against a saved result model in this evidence set.

Version limit

The reviewed V1 version scope is Revit 2024/2025/2026. Its picking/creation workflow has not been verified on Revit 2027; use a compatible build. Illustration images alone do not establish completed picking or native Rebar creation.

Settings

Control	Unit / choices	Effect and verification
Layout / illustration tabs	Layout; tabs	Select the diagram before picking; overview, points and A/B details describe that layout.
R1 / D	mm	Displayed diagram geometry; verify symbols and scope for the active layout.
Beam B / H	mm; Stair beam layout	Beam section dimensions, not overall stair width/height.
Numbered bar group / per-group diameter	Group selection; project bar type	Selects which role diameter is edited; not an enable/disable switch.
Spacing	mm	Distribution pitch; inspect native Spacing and Quantity per role.
Cover	mm	Concrete cover; inspect both top and bottom layers.
Top reach / anchor length	mm	Distinct top/reach and anchorage segments shown in the diagram.
F1 / F2	mm	Illustrated F segments for the selected layout.
Landing L1 / L2	mm	Landing-related segments; review after changing layout.
Extension	mm	Illustrated extension segment; inspect the actual bar end.
Guide / Pick work plane / Create Rebar / X	Buttons	Guide opens help; work plane starts selection; Create Rebar submits work; X closes the editor.

Actual window and scroll regions

This UI opened inside Revit 2024 on a project copy. Stair host/point picking has not been completed; the 1000 mm inputs are not measured flight geometry. The project type 10M has a 9.5 mm nominal diameter; its name does not establish 10 mm. The right panel is an illustration, not generated Rebar.

1. Choose the layout before picking; each has its own point sequence.
2. R1/D and beam B/H have different roles; beam dimensions apply to the beam branch.
3. Selectors 1–5 choose a diameter role, not on/off groups; the selected type must exist.
4. Overview, Point labels and Detail A/B are separate tabs.
5. Guide, Pick work plane and Create Rebar do different work; an open editor is not completed creation.

1. Select a role and an actual type; do not infer diameter from 10M.
2. Pitch and cover are mm; inspect native Quantity and cover after running.
3. Scroll to expose A/A1/F1/F2. A1 remains visible but is unused by the reviewed Type1 branch; F1/F2 have different endpoints in the reference below.

1. Retain the intended role when switching anchorage tabs.
2. Switching tabs does not itself change pitch/cover.
3. L1/L2 and Extension are on the other tab. Their effect is layout-dependent; Extension is unused by the reviewed V1 Type1 branch.

1. Open Point labels before Create Rebar.
2. P4–P8 describe the high/landing region; follow prompts rather than bar colors.
3. P1/P2/P3/P9 are at the low end and slab faces. Type1 asks all nine points; V2’s three-point workflow is different.

1. Choose Detail A for the high end.
2. Compare F/L endpoints with the table and Point labels. This is not to scale and is not a generated bar-end image.

1. Choose Detail B for the low end.
2. Compare F/L endpoints with the table and Point labels. This is not to scale and is not a generated bar-end image.

1. Switch to Type3 and reread Point labels.
2. Type3 uses 11 points for two flights in a common longitudinal plane and their middle landing; do not reuse Type1’s nine points.

Before running, select valid types for every intended role and check the work plane. Esc cancels a pending pick; do not repeatedly submit Create Rebar. Inspect native bars, Save As and reopen after a successful run; these images establish UI only, not picking/commit.

V1 Type1 anchorage dimensions

Type1's point illustration places the low end at P1/P2/P3, the soffit along P3–P4 and the high landing around P5–P8. R1 distributes bars out of the side-view diagram and is not the diagonal flight length.

Field	Units / scope	V1 Type1 effect and verification
R1	mm	Transverse distribution uses width minus two covers. It does not resize the host; inspect the set edges.
D	mm, applicable landing branches	Landing distribution width, not slab thickness. Inspect that landing region.
B/H Beam	mm, Beam creation only	Reinforcement section dimensions for the real beam; visible fields do not make them effective in every Type1 branch.
Selected-group diameter	Project bar type	Changes only the selected numbered role. Verify the actual role/type after creation.
Spacing	mm	Maximum-spacing layout; actual pitch may be smaller. Compare both Quantity and Spacing.
Cover	mm	Offset from the slab face, with half bar diameter also included in the centre location. Inspect top and bottom in section.
Reach A	mm	Reach/additional region near the high landing; inspect P5–P8, separately from the low F2 end.
Anchor A1	mm, layout-dependent	Not read by the inspected V1 Type1 creation branch; changing it alone does not establish a Type1 geometry change.
F1	mm, Type1	Horizontal high-end termination of the bar running over the flight after its transition toward the landing; inspect Detail A.
F2	mm, Type1	Downward extension at the low P1/P2 end, affecting lower and upper flight bars; inspect Detail B.
L1	mm, Type1	Cap downfold on the outer high-landing side near P5/P6. Keep L2 fixed when comparing it.
L2	mm, Type1	Cap downfold toward the flight junction near P7/P8. Inspect this end separately from L1.
Extension	mm, layout-dependent	Not read by the inspected V1 Type1 branch. Do not transfer V2's extension arithmetic to V1.

The tools share layout names but differ in anchorage construction. For Type2–8, Landing, Beam and unbent Type1, open that layout's own point and detail tabs and verify the resulting role. An editable field can remain visible even when a branch does not use it.

Guide opens a separate VN/EN help window with its own Close Guide button; help language is not Revit locale. The editor X closes the UI; configuration persistence and RVT saving are separate. Esc cancels a mistaken pick so it can be repeated on the correct plane.

Pick the host, then the layout's full point sequence

After Create Rebar, pick the host when prompted, then follow each point prompt. The filter allows Stairs, Floors, Structural Framing and Generic Models; passing that filter does not establish a valid Rebar host. Do not substitute a separate StairsRun when the filter requires its parent Stair. Use the proper longitudinal work plane and a suitable concrete host.

V1 layout	Prompted points	Inspect in its illustration
Type1	9	Flight with landing cap/anchors; both low and high ends. The tool checks P1–P2 perpendicular to P1–P9.
Unbent Type1	7	Continuous bars replacing Type1 folds; do not reuse its nine-point sequence.
Type2	6	Its own anchorage and additional reinforcement; do not transfer Type1 F/L meanings.
Type3	11	Two flights and the middle landing; both slope transitions and middle reinforcement.
Type4	12	Landing regions at both ends and separate running/additional roles; include every prompted corner.
Type5	8	High flight end and low landing; inspect the flight–landing junction.
Type6	8	Folded level-change slab shown in its diagram; not a universal inclined-flight layout.
Type7	9	Continuous arrangement through both landing ends; inspect Type7's colored roles.
Type8	11	Extra end regions; compare each role's termination.
Landing	4	Landing slab scope; not inclined-flight evidence.
Stair beam	8	Folded reference and beam B/H; main/tie roles differ from slab reinforcement.

These are the described V1 picking sequences, distinct from V2's Pick 3 points button. Read Point labels before running and follow prompts rather than the colored bar-role numbers. Esc cancels a mistaken pick so it can be repeated; diameter, cover and anchorage cannot repair a wrong work plane or host.

Five diameter selectors in Type1

Radio selector	Role in the reviewed Type1 branch	Verify after changing diameter
1	Transverse/distribution bars in the lower layer	Select the transverse direction in the lower layer and read its type.
2	Lower longitudinal bars	Select the flight-running role and its low-end anchorage.
3	Transverse/distribution bars in the upper layer	Compare separately with selector1; do not assume identical layer diameters.
4	Upper longitudinal bars	Inspect its upper running shape and high end.
5	Landing cap and additional reinforcement	Check both the extra straight piece and folded cap, not only flight-running bars.

This mapping is for V1 Type1; inspect the relevant diagram/roles again after changing layouts. An empty diameter field need not mean missing types: this build looks for default names containing D8/D10/D6. When project type names differ, select a valid type for each role before deciding whether additional types are needed. Default names are not a design recommendation. Diagram colors do not replace inspection of native bar roles.

Help window and scroll area

The production Help command opened this actual Revit-hosted guide. This is help content, before host selection or Rebar creation. Its F/L descriptions are general; use the selected layout point diagram for exact bar endpoints.

1. VN/EN changes this help content language immediately.
2. Parameter meanings: also check the chosen Type point diagram; F1/F2 do not have identical endpoints for every Type.
3. Use the right scroll bar to reach the rest of the workflow and button descriptions.

1. Scroll down for the full sequence: layout, work plane, settings, Create Rebar, then objects and points requested by the status bar.
2. Help distinguishes Create Rebar from Pick WorkPlane; these explanatory labels do not execute either task.
3. Close Guide closes only this help window.