Window manufacturer, XYZ, claims their windows meets "B-7" (700 Pa) water leakage and has documentation to prove it. CSA standard guideline suggests minimum requirements for general application are only "B-3" (300 Pa). (B-7 is the highest rating that CSA standard tests to.) Standard suggests...
I'm hoping to settle a dispute over the definition of the word "coating" and "lining" as they relate to pump columns.
An addendum was issued simply stating the pump columns had to be epoxy 'coated'. No further clarifications were requested.
There was no mention of whether it was interior only...
The interior tank walls (5058H116 Aluminum) of a conventional filter are deeply pitted. The pitting seems to be mainly just above or right at the anthracite (top) free surface.
The pitting is generally conical in shape. Diameter 0 to 12mm and 0 to 2 or 3 mm deep.
The tanks are 10 years old and...
We have an existing tank constructed of 5086H116 Aluminum Alloy. The material is a week away from the US. Cracks have developed in the welds of a 10 year old water filtration unit. Welders are prepared to make the repairs to the welds, however, they need permission to utilize 6061T6 (readily...
We have a Hach DR2000 Spectrophotometer (new in box, circa 1995) and am considering trading it off for a portable unit - a 'WaterPOINT 870' by Sensicore.
I am a little green regarding in the operator-wise benefits of either machine. Would appreciate any opinions on whether or not to consider...
We have new vertical turbine pump columns (installed a year ago, and finally put into service about two months ago) that are badly corroded.
The columns are bare steel (no lining). They were installed in a new water treatment facility about 14 months ago, before the building was finished. The...
Using a Ditchwitch JT2720, several attempts to directional drill beneath a railway have failed. The plan was to install a 9" steel casing for an outfall pipe to the lakeside of the tracks. The drill rig is equipped with a 5" bit.
The minimum depth required is 2.4m. The length of the run is...
