Page 206 - Water Standards
P. 206
3 0mm. For tainter gates which operate under high water head with throat type
slots, including eccentric⁃hinge tainter gates and hydraulic expansion seal tainter
gates, the maximum deviation shall be ±3 0mm and the deviation direction shall
be in accordance with the deviation direction of the curvature radius of water stop
seat base surface on the side track. The maximum tolerance of the gap between the
water stop seat base surface on side track and the gate leaf outer cambered surface
shall be no larger than 3 0mm, and meanwhile, the relative difference between
the radii on two sides shall be no larger than 1 5mm.
4) The rubber seal quality shall meet the relevant requirements of technical standards
of the nation. Top and lateral waterstop installation shall meet the relevant re⁃
quirements in Article 4 1 2
4 1 4 Sluice gate tests shall meet the following requirements:
1 After installation of the sluice gates, whole⁃stroke opening and closing tests shall be
done when there is no water. Before the tests, careful inspection shall be done to see if the
hooks can be unhooked freely and reliably, if the filling valves can go up and down easily a⁃
long the whole stroke and if the water stop has no leakage in the lowest position. At the same
time, all the sundries on the gate leaves or in the slots shall be cleared away. The suspender
connection shall be checked as well. During operation, rubber seals shall be lubricated by
water. If conditions permit, opening and closing tests in dynamic water shall be done for
working gates, and dynamic water closing tests shall be done for emergency gates
2 In a sluice gate opening and closing process, careful inspection shall be done to
check the operation of rotating parts such as idler wheels, supporting hinges, and top and
bottom pivots, and to see if the gates are blocked in the process of lifting or rotating, if the
hoisting equipment is synchronous on both sides, and if the rubber seals are damaged
3 When the sluice gates are all in the working position, light penetration or other
methods shall be used to check the amount of rubber seal compression. There shall be no light
penetration or gaps. If the water stop is on the upstream side, it shall be checked after sup⁃
porting devices have been connected with the tracks
4 When the sluice gates are operated under design water head, the water leakage of
the water stop through each meter shall be no larger than 0 1L/ s.
4 1 5 Installation of the trash rack and embedded parts shall meet the following require⁃
ments:
1 The embedded parts installation tolerance or maximum deviation of a movable trash
rack shall meet the requirements of Table 4 1 5.
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