Are sump pumps required in elevator shafts?
Are sump pumps required in elevator shafts?
ASME A17. 1/CSA B44 requires that all elevator pits for elevators that have Firefighters’ Emergency Operation, be provided with a drain or sump pump. The pit drainage shall be designed to remove a minimum capacity of 3,000 gallons per hour (or 50 GPM) per elevator car.
Where should sump pump discharge?
The discharge point should be at least 10 feet away from your foundation, but 20 feet is better. Otherwise, the water will reabsorb into the soil, and your pump will need to remove it again. A constant flow of water damages your foundation, contributes to erosion, and quickly wears out your sump pump.
What size is a sump pump discharge?
1.5 inches
Most sump pumps have a recommended discharge size of 1.5 inches. The line must be run to the outside of the house.
What is the purpose of an elevator sump pit?
Simplex Elevator Sump Pump System Simplex pump system detects oil and water – allowing for diversion of oil to a separate tank via automatic electronic valves. For use in elevator pits, vaults and other areas requiring the control of oil discharge from sump water.
What is the purpose of an elevator sump pump?
These elevator sump pumps drain water from elevator sump pits and transformer vaults. They have an oil detector that identifies when oil is present. The pump only operates when water is present and stops when oil is sensed. This prevents the pumping of oil into groundwater or sewage systems.
How long can a sump pump drain line be?
Installing discharge pipe of a larger size is not a huge problem and is in fact recommended for longer runs of pipe, typically 20 feet or more. The real problems occur when the diameter of the discharge pipe is too small.
Can a sump pump discharge into sewer?
It is critical that sump pumps discharge to the yard or storm sewer, not to the sanitary sewer. It is illegal to connect your sump pump into your sanitary lateral.
Can you reduce sump pump discharge pipe?
The majority of sump pumps will have a built-in fitting for a specific sized discharge pipe that is usually 1.25”or 1.5” interior diameter. If the discharge pipe ends up being smaller than recommended, it could greatly reduce the pump’s capacity and efficiency.
Can you discharge sump pump into sewer line?
It might seem like the most convenient option to discharge your pump into the sanitary sewer, but you’re actually risking water and sewage damage to your home. While it may not be illegal in your area, connecting your sump pump to the sanitary sewer is in fact illegal in much of the U.S.—and for good reason.
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.
Where does the sump pump go in an elevator?
All elevator pits for elevators that have Firefighters’ Emergency Operation shall have a drain or sump pump in accordance with ASME A17.1 Section 2.2.2.5. The drain or sump pump discharge shall be into the sanitary or storm drainage system through an indirect waste connection.
How does a duplex pump system work in an elevator?
Duplex pump system detects oil and water allowing for diversion of oil to a separate tank via dedicated oil and water pumps. For use in elevator pits, vaults and other areas requiring the control of oil discharge from sump water.
What are the plumbing requirements for an elevator pit in?
1/CSA B44 requires that all elevator pits for elevators that have Firefighters’ Emergency Operation, be provided with a drain or sump pump. The pit drainage shall be designed to remove a minimum capacity of 3,000 gallons per hour (or 50 GPM) per elevator car.
What is the code for pit drains and sump pumps?
The 2004 code contains the following on pit drains and sump pumps: (2.2.2.3 – 2.2.2.7) 1 – ” Permanent provisions shall be made to prevent accumulation of ground water in the pit (see 2.1.2.2).” As you can see not all elevators require a drain or sump pump.