An underground storage vault having a hatch affixed to a hatchway. The underfloor storage vault may be incorporated into a larger structure such that the surface of the vault's hatch may be flush with the surrounding floor, allowing for the hatch to be easily concealed. Once the concealment has been removed, fasteners can be undone so that the hatch can be removed from inhibiting access to the hatchway. Valuables and possessions can be stored in the vaults storage compartment and safely secured by re-affixing the hatch to the vault's hatchway.

An underground storage vault having a hatch affixed to a hatchway. The underfloor storage vault may be incorporated into a larger structure such that the surface of the vault's hatch may be flush with the surrounding floor, allowing for the hatch to be easily concealed. Once the concealment has been removed, fasteners can be undone so that the hatch can be removed from inhibiting access to the hatchway. Valuables and possessions can be stored in the vaults storage compartment and safely secured by re-affixing the hatch to the vault's hatchway.

A system for use with a manhole vault having an internal atmosphere, and, optionally, with a ventilation stack connecting the vault to an external atmosphere. The system includes a manhole cover, a ventilation pipe, and an air moving assembly. The cover has one or more through-holes extending between top and bottom surfaces. Each of the through-hole(s) is in fluid communication with the external atmosphere at the top surface. The pipe has a through-channel that extends between first and second openings. The first opening is positioned proximal to either an opening into the ventilation stack or at least one of the through-hole(s) at the bottom surface of the cover. The second opening is positioned in the interior of the vault. The device is configured to cause a portion of one of the interior and external atmospheres to flow through the through-channel toward a different one of the interior and external atmospheres.

A system for use with a manhole vault having an internal atmosphere, and, optionally, with a ventilation stack connecting the vault to an external atmosphere. The system includes a manhole cover, a ventilation pipe, and an air moving assembly. The cover has one or more through-holes extending between top and bottom surfaces. Each of the through-hole(s) is in fluid communication with the external atmosphere at the top surface. The pipe has a through-channel that extends between first and second openings. The first opening is positioned proximal to either an opening into the ventilation stack or at least one of the through-hole(s) at the bottom surface of the cover. The second opening is positioned in the interior of the vault. The device is configured to cause a portion of one of the interior and external atmospheres to flow through the through-channel toward a different one of the interior and external atmospheres.

An anchored hole cover for a bore hole cored from a paved surface that includes a cover plate configured to cover the bore hole and support vehicular traffic. An anchoring mechanism is attached to the cover plate and extends down into the bore hole. The anchoring mechanism is configured to be actuated by a user torque input that is transmitted through a linkage system to cause an anchoring mechanism to selectively engage or disengage the wall of the bore hole. When the anchoring mechanism is engaged with the wall the anchoring mechanism is biased into contact with the hole, and is prevented from unintentional extraction. The anchored hole cover effectively provides a temporary cover for a bore hole in a road, parking lot, or other paved surfaces that supports vehicular traffic, that prevents extraction due to vibrations of passing traffic, thus preventing damage to cars and their occupants.

Methods of fabricating a manhole insert gasket on a manhole insert flange of a manhole insert may include inverting a manhole insert having a manhole insert flange; forming a manhole insert gasket by dispensing a liquid gasket material onto the manhole insert flange along at least one circular dispensing path, the liquid gasket material including a synthetic silicone elastomer; and curing the gasket material.

Methods of fabricating a manhole insert gasket on a manhole insert flange of a manhole insert may include inverting a manhole insert having a manhole insert flange; forming a manhole insert gasket by dispensing a liquid gasket material onto the manhole insert flange along at least one circular dispensing path, the liquid gasket material including a synthetic silicone elastomer; and curing the gasket material.

A composite manhole cover includes a body made of a polymer that has a mass of magnetic material embedded there within. The mass of magnetic material is detectable by a metal detector and, therefore, the composite manhole is locatable by the metal detector when the composite manhole cover is obscured by a material such as pavement, dirt, sand, grass/sod, etc.

A composite manhole cover includes a body made of a polymer that has a mass of magnetic material embedded there within. The mass of magnetic material is detectable by a metal detector and, therefore, the composite manhole is locatable by the metal detector when the composite manhole cover is obscured by a material such as pavement, dirt, sand, grass/sod, etc.

An integrated access box for providing surface access to a curb box or other structure, and tracer wires in a single unit. The integrated access box generally includes a body having a first end and a second end and a first chamber (e.g., a curb box chamber or cleanout chamber) extending into the first end toward the second end of the body. The body may be substantially cylindrical in shape, and may include a first opening near the first end of the body and a first chamber access opening in the first chamber near the top of the body, and a tracer wire chamber extending into the body. The tracer wire chamber includes a second opening near the first end of the body. The integrated access box may further include a tracer wire access opening in the tracer wire chamber near the top of the body.