Is a sump required in an elevator pit?
The California Code of Regulations, Title 8, Elevator Safety Orders requires that a sump and sump pump (not connected directly to the sewer) or a drain (not connected directly to the sewer) be installed in pits of elevators installed under Group III regulations in order to prevent the accumulation of water.
What is elevator sump pit?
Elevator pit drain or sump pump. The drain or sump pump discharge shall be into the sanitary or storm drainage system through an indirect waste connection. In elevators provided with Firefighters’ Emergency Operation, a drain or sump pump shall be provided.
Do elevator pits need waterproofing?
Depending on the size of the building, construction may require just a single pit or multiple pits for the various elevators throughout the building. Whatever the arrangement, the pit must be completely waterproof.
Why should a sump pit at the bottom of an elevator shaft be indirectly connected to the building sewer?
An indirect connection is required to prevent waste from a plumb- ing system from backing up into the elevator shaft.
What is a sump pit used for?
Definition. A temporary pit which is constructed to trap and filter water for pumping into a suitable discharge area. A perforated vertical standpipe is placed in the center of the pit to collect filtered water. The purpose of this practice is to remove excessive water in a manner that improves the quality of the water …
How deep should an elevator pit be?
For new homes, a 6″ pit depth is the minimum but a pit depth of 8″ is usually preferred. With most elevators if you do not create at least a 6″ pit you will have a 6″ step to get into the cab. If you are installing an elevator with two speed sliding doors you will need a pit depth of 12″.
Do all elevators require a pit?
A. Not necessarily. Although most elevators require a pit, there are a couple of models available that do not require a pit. The Telecab by Savaria pit-less elevator opens new options for installation of elevators in existing applications without costly slab cuts and reinforcing.
Are elevator pits confined space?
In summary: OSHA continues to view elevator pits generally as confined spaces; There has to be a potential or actual hazard present in the elevator pit in order for it to be classified as a permit-required confined space. Most elevator pits contain at least mechanical and electrical hazards.
Why do elevators have pits?
The elevator shaft has space below the floor (elevator pit), which houses the retracting piston as the elevator descends. (This pit is required as a refuge space for all elevator types by code.) Some configurations have a telescoping piston that collapses and requires a shallower hole below the pit.
Do all elevators need a pit?
Some elevators are completely pitless, meaning they can be installed on top of finished floors. The Visi-48, Visi-58, and Vision 450 can be installed without any pit. The Freedom Green traditional elevator has a pitless option, which is a reduced pit.
Why do we need elevator pit?
The elevator pit is the depression below the surface of the lowest landing that allows the elevator floor to be level with the floor of the lowest landing. The carriage or sling, which holds the car, consumes space below the floor of the car.
What is a sump pit?
A sump pit is a hole that is designed to collect water and other spilled fluids. One of the most classic locations for one is a basement, where is can wick water away to ensure that the basement does not flood.
