Standard steel-ring flanges
Tables 5 and 6 of AWWA C207-01 for NPS 48” provide dimensions as below:
Class Bolt (number X dia) Thickness of flange
E (275psi) 44 X 1.5” 3.5”
F (300psi) 40 X 2.0” 4.5”
Although I have not made any calculations for the two cases above, on the surface...
I have designed several reservoirs (up to 300,000 m3) & the subject of sealants & waterstops has not been satisfactorily resolved. I would like to find out if other designers have had good or bad experiences of backstop water bars.
I have two reservoirs next to each other - both 165 m X 125 m...