Welcome to Batchelar McDougall Consulting

Kelvin Street, Invercargill

An Invercargill building with a high profile long term bank tenant was evaluated as having a ‘less than acceptable’ earthquake %NBS rating. The building owner required a strengthening scheme to lift the building to above 67%NBS capacity while keeping the bank with full customer access / functionality during the strengthening retrofit construction.

Two building elements were involved (a later addition conference room plus staff facilities and the original 2 storey construction). This involved careful analysis of the existing tilt slab and reinforced concrete structures using a ‘push over analysis’ technique to determine the displacement performance / capacity of the existing structural elements and to provide a strengthening scheme that would add to the existing structure capacity rather than adding an entirely new lateral load resisting system that would require greater intervention and intrusion into the structure with subsequent loss of amenity and/or bank operation. This design analysis approach minimised the overall project cost while providing a high level of assurance of the building performance under earthquake conditions.

The project was completed significantly less than original budgeted costs and without any closure or disruption to the bank operation – a win win for both the building owner and tenant.

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Contact Us

Wanaka Office

Physical address:
Level 3, 99 Ardmore Street, Wanaka.
(Entrance up stairs at back of building off
public car park - Dunmore Street)
Postal address:
PO Box 456, Wanaka, 9343
Office phone:
(03) 443 4531

Christchurch Office

Physical address:
Level Three, Moore Stephens
Markhams Building
335 Lincoln Rd (Cnr Bernard and Lincoln)
Addington, Christchurch 8024
Postal address:
PO Box 9440, Tower Junction,
Christchurch, 8149
Office phone:
(03) 338 3351

Queenstown Office

Physical address:
Suite 7, Level One
34 Grant Road
Frankton, Queenstown 9371
Postal address:
PO Box 456, Wanaka 9343
Office phone:
(03) 441 3351
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