Water Systems
What is the NSF standard for drinking water?
What is NSF 61?
The TAC chapter and subchapter covering the Design of Conventional Collection Systems.
What is 217c?
The maximum number of connections before an elevated storage tank is required.
What is 2,500 connections?
The design Hazen-Williams coefficient for pipe headloss in the FNI pump process spreadsheet.
What is 130?
The number of hours of continuing education required to maintain a Texas PE license.
What is 15 hours?
The required minimum pressure in a distribution system under non-firefighting conditions.
What is 35psi?
The minimum velocity at capacity.
What is 2fps?
The absolute minimum roof slope.
What is 0.75 in/foot.
The atmospheric pressure at sea level.
What is 14.7 psia.
The color used to identify reclaimed water lines.
What is purple?
The minimum required free chlorine residual.
What is 0.2 mg/L?
The first pipe size requiring manhole spacing of 1,000 feet.
What is a 36"?
The FNI minimum required floor thickness for a GST.
What is 8"?
The importance of NPSHa.
What is to prevent cavitation?
FNI's general experience requirement for pipe and fitting manufacturers.
What is 5 years?
The advantage of 316 SS over 304 SS.
What is a higher resistance to chemicals?
The minimum vertical distance required for a drop manhole piping assembly.
What is 2 feet?
The temperature when special protection for shotcrete placement is required.
What is 40 degrees and falling?
The maximum velocity in a closed bottom can.
What is 5 ft/s?
The benefit of Type I/II cement over Type I.
What is moderate sulfate resistance?
Gate, Ball, Plug, Cone
What are full port valves?
Polymer Concrete, Antimicrobial additives, Lining
What are ways to prevent corrosion in manholes?
The mesh screen size for insect screens.
What is #16?
The largest horsepower pump designed out of 1112.
What is 5000HP?
The correct term for when concrete is being laid in construction.
What is a concrete placement?