MARKET 14 · NORTH AMERICA

United States: imperial sections, high tunnels, and a funded programme.

US buyers often work in feet and inches, and many high tunnel projects are part-funded through NRCS conservation programmes. That changes what the quotation has to state: dimensions in both units, and a structure that matches the programme specification.

Single-span tunnel, roll-up vents — XinYonSen

US high tunnel projects are frequently specified through the NRCS Environmental Quality Incentives Program, which sets structural requirements the frame must meet. We do not administer that programme and we do not certify compliance — but we can quote to the dimensions, coating and load figures your specification states.

United States — what to put on the enquiry
Item	Note
Units	feet/inches + metric equivalent	avoid conversion errors
Snow load	psf or kg/m², per local code	section sizing
Wind	mph or km/h, exposure	anchors, bracing
Programme	NRCS spec if applicable	compliance is yours
Coating	Z275 or hot-dip	state humidity

Imperial dimensions are a real risk in the mill: a 20 ft bay is 6.096 m, not 6 m, and a 1.5 in tube is 38.1 mm, not 38 mm. We convert and confirm in writing before cutting, because a millimetre error repeated 200 times is a frame that does not fit.

A boundary worth stating

We quote steel to your specification. Programme compliance, stamped engineering and site inspection are provided by your engineer or the programme's technical service provider.

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Quote a frame for United States

Tell us the site region, the port and the load case. We will send the frame schedule with the coating and packing notes for that route.

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United States: imperial sections, high tunnels, and a funded programme.

A boundary worth stating

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Quote a frame for United States