Pipeline construction safety platform
OwnerRobert Aaron Johnsoninventor
Life of this patent
Estimating the term…
Abstract
A buried pipeline construction laser alignment survey platform mountable on manhole sections. The platform has a platform deck and two opposing sets of foldable handrail mounted on the perimeter of the platform deck which are inter-connected by safety chains to complete a safety perimeter. A manhole access in the platform deck has a slideable access cover providing for a closed set-up position, an open access position, and a partially open laser alignment position. One or more sets of anchor pedestals on the bottom of the platform deck provide for securing the platform to manhole sections of one or more diameters.
Claims29
Buried pipeline construction laser alignment survey platform comprising:
- a) platform deck constructed of grating, the platform deck having an access opening and a slideable access cover, the access cover being slidably affixed to the platform and slides under the platform deck on slide rails attached to the bottom of the platform deck, the access cover being slideable and securable to a closed set-up position, an open access position, and a partially open laser alignment position;
- b) anchor means for positioning the platform on top of a manhole section and for securing the platform to the manhole section;
- c) safety barrier means for providing a worker safety barrier at the perimeter of the platform deck;
- and
- d) access cover locking means affixed to the platform deck and securing the access cover in the open, closed and partially open positions by insertion of the locking means through aligned openings in the platform deck and access cover.
Buried pipeline construction laser alignment survey platform comprising:
- a) platform deck constructed of grating, the platform deck having an access opening and a slideable access cover, the access cover being slidably affixed to the platform and slides under the platform deck on slide rails attached to the bottom of the platform deck, the access cover being slideable and securable to a closed set-up position, an open access position, and a partially open laser alignment position;
- b) plurality of anchor pedestals affixed to the bottom of the platform deck and extending below the platform deck at locations providing for positioning of the platform on top of a manhole section, one or more of the anchor pedestals having means for anchoring the platform to the manhole;
- c) perimeter safety barrier;
- and
- d) access cover locking means affixed to the platform deck and securing the access cover in the open, closed and partially open positions by insertion of the locking means through aligned openings in the platform deck and access cover.
Dependencies are inferred from the claim text.