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MJ-Gerüst scaffold systems

The MJ-Gerüst systems you can plan in ScaFix, with the numbers the planning engine uses for each one: type, bay lengths, depths and the approval or manual its wall-tie rule cites.

· How the numbers are computed ·

MJ UNI 70/100 scaffolding around a house of 11.4 × 5.3 m with a gabled roof (eaves 4.5 m, ridge 6 m), drawn by the ScaFix 3D model
MJ UNI 70/100 around the example house, as ScaFix draws it in 3D.

Which MJ-Gerüst scaffold systems can ScaFix plan?

ScaFix models 5 MJ-Gerüst scaffold systems: MJ UNI 70/100, MJ UNI-CONNECT, MJ COMBI, MJ UNI TOP 65 and MJ OPTIMA. They cover frame scaffolding and ringlock (rosette) scaffolding, with bay lengths from 0.73 m to 3.07 m. Each tie rule cites a German DIBt approval. Each is planned on your own walls by the same engine as the app.

MJ-Gerüst at a glance

Based in
Plettenberg, Germany
Systems in ScaFix
5
Types
Frame, Ringlock (rosette)
Website
mj-geruest.de

MJ-Gerüst systems in ScaFix

The bay lengths and depths are every size the catalogue offers for the system, across its variants. «Approval» is the number the system’s tie rule cites; «–» means the rule cites a manual or no document.
SystemTypeBay lengthsDepthsApproval
MJ UNI 70/100Frame3 m, 2.5 m, 2 m, 1.5 m0.74 mDIBt Z-8.1-184
MJ UNI-CONNECTFrame3.07 m, 2.57 m, 2.07 m, 1.57 m, 1.09 m, 0.73 m0.73 mDIBt Z-8.1-872
MJ COMBIRinglock (rosette)3.07 m, 2.57 m, 2.07 m, 1.57 m, 1.4 m, 1.09 m, 1.04 m, 0.73 m1.4 m, 1.09 m, 0.73 mDIBt Z-8.22-921
MJ UNI TOP 65Frame3 m, 2.5 m, 2 m, 1.5 m0.65 mDIBt Z-8.1-902
MJ OPTIMARinglock (rosette)3.07 m, 2.57 m, 2.07 m, 1.57 m, 1.09 m, 0.73 m0.73 mDIBt Z-8.22-986

MJ-Gerüst systems on the same example house

Each system planned on ScaFix’s example house (11.4 m × 5.3 m) with the default settings. The totals differ with bay length, depth and part design; a lower total is not better by itself. How the example is set up is on the methodology page.
SystemLong-wall baysDepthParts in total
MJ UNI TOP 6550.65 m288
MJ UNI 70/10050.74 m292
MJ UNI-CONNECT50.73 m312
MJ OPTIMA50.73 m545
MJ COMBI50.73 m559
MJ UNI-CONNECT scaffolding around a house of 11.4 × 5.3 m with a gabled roof (eaves 4.5 m, ridge 6 m), drawn by the ScaFix 3D model
MJ UNI-CONNECT around the example house, as ScaFix draws it in 3D.
MJ COMBI scaffolding around a house of 11.4 × 5.3 m with a gabled roof (eaves 4.5 m, ridge 6 m), drawn by the ScaFix 3D model
MJ COMBI around the example house, as ScaFix draws it in 3D.
MJ UNI TOP 65 scaffolding around a house of 11.4 × 5.3 m with a gabled roof (eaves 4.5 m, ridge 6 m), drawn by the ScaFix 3D model
MJ UNI TOP 65 around the example house, as ScaFix draws it in 3D.
MJ OPTIMA scaffolding around a house of 11.4 × 5.3 m with a gabled roof (eaves 4.5 m, ridge 6 m), drawn by the ScaFix 3D model
MJ OPTIMA around the example house, as ScaFix draws it in 3D.

Sources

Tie rule for MJ UNI 70/100: DIBt Z-8.1-184 MJ UNI 70 (21.06.2019, gültig bis 11.07.2025) Anlage B §B.5 a–c, §B.9. Tie rule for MJ UNI-CONNECT: DIBt Z-8.1-872 MJ UNI-CONNECT 70 DUO (16.03.2022) Anlage B §B.5 a–c (PDF p402), Anlage C p.1/p.7/p.8/p.11 (PDF p413–423). Tie rule for MJ COMBI: DIBt Z-8.22-921 MJ COMBI Anlage C §C.1, §C.5. Tie rule for MJ UNI TOP 65: DIBt Z-8.1-902 MJ UNI TOP 65 (18.08.2026 – 18.08.2031) Anlage B §B.5 a–c (p. 198). Tie rule for MJ OPTIMA: DIBt Z-8.22-986 MJ OPTIMA (bis 23.07.2027) Anlage B §B.5 a. ScaFix is a planning tool, not a structural approval.

  1. dibt.de/en/service/approval-download/search
  2. mj-geruest.de/unternehmen/historie

Questions and answers

How many MJ-Gerüst systems does ScaFix have?

5: MJ UNI 70/100, MJ UNI-CONNECT, MJ COMBI, MJ UNI TOP 65 and MJ OPTIMA. The length variants of one system count once.

Which bay lengths do MJ-Gerüst systems use in ScaFix?

MJ UNI 70/100: 3 m, 2.5 m, 2 m, 1.5 m; MJ UNI-CONNECT: 3.07 m, 2.57 m, 2.07 m, 1.57 m, 1.09 m, 0.73 m; MJ COMBI: 3.07 m, 2.57 m, 2.07 m, 1.57 m, 1.4 m, 1.09 m, 1.04 m, 0.73 m; MJ UNI TOP 65: 3 m, 2.5 m, 2 m, 1.5 m; MJ OPTIMA: 3.07 m, 2.57 m, 2.07 m, 1.57 m, 1.09 m, 0.73 m.

Is ScaFix made by MJ-Gerüst?

No. ScaFix is independent planning software by Ole Emil Frikstad Urstad; it is not made, sold or endorsed by MJ-Gerüst. The bay lengths, depths and tie rules come from the documents cited on this page. ScaFix is a planning aid, not a structural approval.

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