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 Helix-engineering by Lyle London
CAD drawings showing structural suppor for Triple Helix
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 Helix-engineering by Lyle London
Perspective view of Triple Helix with support structure above ceiling
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 Helix-engineering by Lyle London
Support structure for Triple Helix
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 Double Helix-engineering by Lyle London
CAD drawing illustrating structural support for the Double Helix
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 Double Helix-engineering by Lyle London
CAD drawing showing location of Double Helix in ceiling plan
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 Helix-engineering by Lyle London
perspective view of Double Helix
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 Helix-engineering by Lyle London
Detail drawing of structural support
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