Above-ground pools should also have a main drain at the bottom of the pool in the center, to maintain proper chemical balance, circulation, water clarity and warmth.
42.
It was a double-acting machine, of, but was removed in 1834 / 5, when the North Level Main Drain was constructed and it was no longer needed.
43.
"' Edwin Fullarton Borrie "'( 1894 1968 ), was a civil engineer and town planner who was the first engineer of main drains for the MMBW in 1924.
44.
It included a new pumping station where the Main Drain and the Fleet River meet, and used submersible pumps for the first time in a land drainage scheme.
45.
It passes to the north of Moorswood Farm, then follows Benderslough Drove and then the South Holland Main Drain, where it borders Sutton St James to the south.
46.
(4 ) Main Drain The term'main drain'means a submerged suction outlet typically located at the bottom of a pool or spa to conduct water to a recirculating pump.
47.
The Pola provides the main drain from the northwestern slope of the Valdai Hills to the river basin of the Shelon, the Pola is a principal tributary of Lake Ilmen.
48.
There are no plumbing fixtures in the basement, only a washing machine with the usual black pipe inserted in a standpipe with a p-trap before going into the main drain.
49.
Further improvements followed, when negotiations with British Rail resulted in the skew bridge, which carried the Ely to Norwich line over the main drain being demolished and replaced by a culvert.
50.
In the early hours of the morning, when the dirt particles have had a chance to settle to the bottom, brush the pool floor _ always brush toward the main drain.
