Search results with tag "Wssc water"
PIPELINE DESIGN MANUAL 2017 - WSSC Water
www.wsscwater.comApr 19, 2017 · The Washington Suburban Sanitary Commission's Pipeline Design Manual covers the minimum standard criteria to be followed by Designers and Engineers when preparing plans and/or specifications for the design of water and sewer pipelines for the Washington Suburban Sanitary Commission (WSSC) within the Washington Suburban Sanitary District …
12. Allowable Joint Deflections. - WSSC Water
www.wsscwater.comAllowable Joint Deflections WATER DESIGN GUIDELINES 2008 W-12.1 12. Allowable Joint Deflections. a. General. 1) When it is necessary to deflect pipe from a straight line in either the horizontal or vertical plane, the amount of joint deflection shall not exceed the allowable joint deflections as shown in Tables ...
17. Manhole Channel Design. - WSSC Water
www.wsscwater.comf) Evaluate drops across pipe inverts larger than 0.1 foot for hydrogen sulfide generation, see Part Two, Section 28 (Hydrogen Sulfide (H2S) Control) and Part Two, Section 16 (Manhole Drop Connections). c. Radius of the Channel. 1) For sewer pipelines smaller than 12-inch diameter, provide a minimum radius of the centerline of
24. Force Main Design. - WSSC Water
www.wsscwater.comb) Design the thrust restraint, in accordance with Part Three, Section 27 (Thrust Restraint Design for Buried Piping). 4) Design criteria for AWWA C900 PVC. a) Design the PVC C900 pipeline without curves using fittings only. See Part One, Section 12 (Allowable Joint Deflections) and Part One, Section 14 (Joint Deflections at Fittings).
15. Pipe Slope and Manhole Distance. - WSSC Water
www.wsscwater.comsee Sketch "T" and Part Two, Section 16 (Manhole Channel Design) or design a manhole drop connection at the manhole, see Part Two, Section 16 (Manhole Drop Connections). 2) If the slope cannot be reduced, specify AWWA C900 PVC pipe, see the Specifications for 12-inch and smaller sewer pipelines.
Three Part, Section 4. Buoyancy of Pipelines ... - WSSC Water
www.wsscwater.comThree Part, Section 4. Buoyancy of Pipelines COMMON DESIGN GUIDELINES 2008 C-4.5 Where: Wt = resultant buoyant force of the submerged pipe, pounds per linear foot wI = average unit weight of inundated backfill, pounds per cubic foot Bc = outside pipe diameter, feet HI = depth of inundated backfill above top of pipe, feet HIm = minimum depth of inundated backfill required …