Page 197 - Water Standards
P. 197
metal structures shall comply with the requirements of the
design drawings and shall be completed by the manufactur⁃
er. Coating of the installation weld joints with paint in a
range of 100-200mm on both sides shall be carried out af⁃
ter the weld joints have passed quality checks.
2) Coating shall not be done for work pieces whose surface
temperature is lower than 3℃ above the dew point or when
the relative humidity is greater than 85%. If there are sep⁃
arate stipulations from the paint manufacturer, these shall
be followed during execution.
3) The quality check of the paint coating and metal coating
shall meet the relevant requirements of SL 432 and DL/
T 5018
4 1 2 The installation of sluice gates and embedded parts shall meet
the following requirements:
1 Installation of embedded parts shall meet the following re⁃
quirements:
1) In the first⁃stage concrete, the embedded anchor slabs,
bolts and bars shall be manufactured according to the
design drawings and shall be embedded by civil
engineering contractors. The civil engineering contractor
shall set lines on the formwork according to the
construction drawings and fasten them on the formwork
closely. Before pouring concrete, the contractor shall
inform the supervisor and installation department to check
and verify the position of the embedded parts.
2) Before the installation of embedded parts in the second⁃
stage concrete, sundries such as formwork in the gate
slots shall be cleared away. The interface between the
first⁃stage and second⁃stage concrete shall be scabbled. In
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