Concrete problems discovered in the new 91原创 Lions Housing Society are being repaired, but will delay completion for 鈥渁t least鈥� six weeks, according to Stuart Thomas, president of Terra Housing Consultants, the development management company overseeing the project for the society.

鈥淭here was a problem with the initial [concrete] pour, which is being repaired,鈥� Thomas told the 91原创 Advance Times.

It was discovered by the project architect and structural engineer, Thomas said, adding the issue affects 鈥渨ay less than one per cent鈥� of the concrete.

鈥淒o I like this happening? No,鈥� he commented, but added this kind of issue is not unheard of in construction.

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Asked about a small chipped-away portion of a concrete surface visible at the site, that had been marked with spray paint, Thomas confirmed it was likely one of the affected areas.

There was no safety issue, he said.

Asked about compensation, Thomas responded 鈥渢hat will be the subject of a construction dispute resolution process.鈥�

Thomas added the project is also dealing with a another concrete problem, 鈥渁 supply chain issue鈥� that is preventing the contractor from getting a particular type of product.

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Located at 20355 54th Ave., the new eight-storey apartment building with 101 single-bedroom units will replace the Birch, a three-storey, 66-unit apartment building that was consumed by a fire in 2017 that claimed one life.

Sixty people lost their homes in the fire with many moved into units in other buildings on the site.

READ MORE: 91原创 Lions unveil proposed replacement for apartments lost in fire

The redevelopment is the first project in the City to take place under a joint housing agreement between city hall and the Lions Housing Society.

Under the terms of the housing agreement, 80 per cent of the suites in the eight-storey building near 203rd Street and 54th Avenue must be occupied by tenants 55 and older.

All must be rental suites, with 30 per cent for 鈥渕oderate income鈥� renters who can pay what was described as 鈥渁ffordable market rents鈥� in a report to council, while 50 per cent pay rent based on a percentage of their income and 20 per cent will be for tenants who require 鈥渓ow income deep subsidy.鈥�