covered

A covered bridge is a timber-truss bridge with a roof, decking, and siding, which in most covered bridges create an almost complete enclosure. The purpose of the covering is to protect the wooden structural members from the weather. Uncovered wooden bridges typically have a lifespan of only 20 years because of the effects of rain and sun, but a covered bridge could last over 100 years. Once common, only about 1 in 10 survived the 20th century. The relatively small number of surviving bridges is due to deliberate replacement, neglect, and the high cost of restoration.

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  1. T

    Undersized gas pipes- Already well covered on here I know

    would like to know what you would classify a boiler reading 17-18mb inlet working pressure with the cooker running. And is undergassing as dangerous as overgassing, obviously if an appliance is overgassed incomplete combustion could occur and thus CO, but if an appliance is undergassed surely it...
  2. G

    Landlord Inspection Requirements

    Hi Guys, first post from newly qualified engineer out on his own. Have just completed Landlord inspection and obviously being new have covered everything and a bit more. Question is this: Is a FGA check mandatory for Landlord report. Alpha CB24x, brass screw for FGA check is seized solid. Flame...
    • Gordon Millar
    • Thread
    • check covered inspection landlord report requirements yourself
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  3. S

    Sewer smell in Toilet. Manhole covered, No drain block

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  4. quality

    Do not pay Homeserve

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  5. B

    man hole sewage drain covered in concrete.

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  6. P

    Valor 941 DFE coals covered in soot

    clients valor 941 DFE after approx 2 months use the some of the coals are covered in soot fire about 2 years old. flue working well any idears thanks

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