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RFI - Attachment H - Stormwater Management Plan_Issue C_
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Log in to see the plans as drawn3.2 Stormwater pit cover removal
3.2.1 Hinged pit grates
These are the steps for opening a hinged pit grate:
Please note: Many cast iron hinges are not hinged
1 Insert the lifting hooks beneath the grate.
securely (to enable the removal of the grate). This
(Position indicated in Photo 3)
may result in the pit grate not being able to sit in an
2 Check hinge point is not damaged and debris is not open position. Additionally the hinge pins may also
caught in the hinge area. be damaged or corroded, which may allow the
grate to fall into the pit. Such pit grates can be
3 Fully open pit grate, ensuring that the grate will stay in
removed using the method indicated below for
the open position without any external forces applied.
non-hinged grates.
Grates that do not remain open without being held
should be removed or secured during cleaning or
maintenance activities. Photo 4 indicates the grate being
opened and grate resting freely in the open position,
respectively.
Photo 3 Lifting the grate Photo 4 Fully open grate
Photo 5 Lowering grate
Stormwater360 Operations and maintenance 9
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