Locakable manhole covers and methods for locking a manhole cover

A lockable manhole cover for use with a manhole frame, said lockable manhole cover comprising:

• a manhole cover installable in an opening in the manhole frame;
• a locking member attached via a pin and slot arrangement beneath said manhole cover;
• a lever pivotally attached to said manhole cover, said lever having an upper end portion and a lower end portion, said lower end portion operably engageable with said locking member to move said locking member relative to said manhole cover;
• wherein said lever being disposable in a lowered position relative to said manhole cover so that an end portion of said locking member is operably engageable with a portion of the manhole frame below said manhole cover for use in inhibiting removal of said lockable manhole cover from the manhole frame;
• and
• wherein said lever being disposable in a raised position relative to said manhole cover so that said end portion of said locking member is operably disengageable with the portion of the manhole frame below said manhole cover to allow removal of said lockable manhole cover from the manhole frame or installation of said lockable manhole cover in the manhole frame.