20xx年一級(jí)建造師掛靠協(xié)議及聘用協(xié)議書(shū)范文-資料下載頁(yè)
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【正文】 should be located in the middle of the vertical arm. install expansion joints should be done. If design is not required, pipe pensator lengthen should conform to the requirements in the following table: square scale length δ x is equal to 1/2. Pre stretch tolerance: casing + 5 mm, +10 mm. pipe form, location, spacing shall meet the design and specifications. piping on back or return pipe at higher levels of the upper to automatic valve to install a drain valve below the horizontal parts. supports and hangers of checks and the number 1) hanger installed must be checked before installation of supports and hangers part models, specifications of springs setting values, whether the materials meet the requirements of drawings and documents。 2) supports and hangers of material, size and accuracy shall conform to the provisions of the design drawings, material technical requirements should be consistent with national standards, industry standards and technical requirements related to the alloy spectrum review should be carried out。 3) pipe supports and hangers part plant product quality certificate for each variable spring supports, constant support hangers, dampers, damper function, there should be factory calibrated test
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