Scaffold system

Hünnebeck BOSTA 70/100 in ScaFix

ScaFix plans Hünnebeck BOSTA 70/100 scaffolding with the system's own bay lengths (3 m, 2.5 m and 2 m) and depth (0.73 m), draws the scaffold in 3D and works out the parts list. Below is our example house with Hünnebeck BOSTA 70/100.

Last updated 7 October 2026

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Hünnebeck BOSTA 70/100 around the example house, as ScaFix draws it in 3D.

The system in ScaFix

Manufacturer: Hünnebeck
System type: Frame scaffold (facade scaffold)
Variants in the system picker: Hünnebeck BOSTA 70/100
Bay lengths: 3 m, 2.5 m, 2 m
Depths: 0.73 m
Source of the tie rule: DIBt Z-8.1-54.2 BOSTA 70 (16.06.2025) Anl. B §B.1/§B.5 (Ankerböcke nicht an den Stirnseiten, sonst einheitlich lange Gerüsthalter), Anl. C s.01/05/07

Close-ups from the 3D model

Close-up of the corner where the long wall and the gable wall meet, with Hünnebeck BOSTA 70/100 standards, decks, guardrails and toe boards in the ScaFix 3D model — The corner: the bays of the two walls meet, with deck, guardrail and toe board on each lift.

Close-up of the top Hünnebeck BOSTA 70/100 lift below the eaves, with guardrails and toe boards, in the ScaFix 3D model — The top lift below the eaves, with guardrails and toe boards.

The example house with Hünnebeck BOSTA 70/100

ScaFix's own example: a 11.4 m × 5.3 m house with a gabled roof, eaves 4.5 m and ridge 6 m, scaffolded all round. The numbers below are the app's own, worked out by the same engine as in projects.

System: Hünnebeck BOSTA 70/100
Scaffold depth: 0.73 m
Decks at: 2.5 m, 4.5 m
Top deck: 4.5 m
Access: Decks with ladders
Parts in all: 316

The walls and the bays

The walls of the example house with Hünnebeck BOSTA 70/100
Wall	Length	Height	Bays
Wall 1	11.4 m	4.5 m	1 × 2 m + 3 × 3 m + 1 × 2.5 m
Wall 2 (gable)	5.3 m	6 m	1 × 2 m + 1 × 3 m + 1 × 2.5 m
Wall 3	11.4 m	4.5 m	1 × 2 m + 3 × 3 m + 1 × 2.5 m
Wall 4 (gable)	5.3 m	6 m	1 × 2 m + 1 × 3 m + 1 × 2.5 m

The parts list for the example house with Hünnebeck BOSTA 70/100

The whole parts list for ScaFix's own example, grouped the way the app shows it.

The parts list for the example house with Hünnebeck BOSTA 70/100
Part	Length	Count
Frames and standards
Frames	2 m	40
Frames	1 m	4
Top-lift guardrail posts		16
Decks
Decks without ladder	3 m	14
Decks without ladder	2.5 m	8
Decks without ladder	2 m	8
Decks with ladder	3 m	2
Guardrails
Front guardrails	3 m	16
Front guardrails	2.5 m	8
Front guardrails	2 m	8
Toeboards
Toeboards	3 m	16
Toeboards	2.5 m	8
Toeboards	2 m	8
Ends
End guardrails		8
Wall ties and fittings
Wall ties		49
Wall-anchor fittings		49
Right-angle couplers for wall ties		14
Base jacks and legs
Base jacks / legs		40

This is our example. The parts list for your own walls follows your measurements and settings.

Limits

The number of wall ties follows the system's tie rule. Their positions must be checked against the manufacturer's assembly instructions.
Round corners, silo and tank scaffolding and hanging scaffolds are not supported yet.

Questions and answers

Which bay lengths does Hünnebeck BOSTA 70/100 have in ScaFix?

ScaFix uses the bay lengths 3 m, 2.5 m and 2 m and the depth 0.73 m for Hünnebeck BOSTA 70/100. The variants in the system picker are Hünnebeck BOSTA 70/100.

How many parts does the example house need with Hünnebeck BOSTA 70/100?

With Hünnebeck BOSTA 70/100, the 11.4 m × 5.3 m example house needs 316 parts in all, split into the groups in the table. Your own building gets its own parts list.

Is the Hünnebeck BOSTA 70/100 plan from ScaFix approved for erection?

ScaFix is a planning tool, not a structural calculation or approval. Always check the scaffold against the manufacturer's assembly instructions and the rules that apply before you erect it.