Common sanitary fixture details: Lavatories, water closet, showers, sinks, bathtubs , Bidets Urinals , Floor drains , layout of sanitary fixtures in toilets. Formula for flow through pipes : Hazen formula, Reynolds number (Laminar and Turbulent Flow )
Drainage system : Soil pipe system, Waste pipe system, vent pipe system, Types of pumps, pump laws , pump in series and parallel.
2. Plumbing Design Calculation
Cold water system : Classification-Up feed, Down Feed and Down feed, Elevated Roof tank (storage cistern) or overhead tank sizing, cold water pipe sizing in building as per flow rate and fixture Unit Method (WFU), minimum number of smaller diameters water pipes that can be connected to bigger pipes. plumbers chart for pipe sizing, booster pump sizing & transfer, pump sizing [ HP & watts], Auto pneumatic, system & pressure tank sizing, External water supply , pipe sizing.
Hot water system: Hot water system Designing, Classification- Individual or Centralised, Estimating Hot water Demand, Hot water pipe sizing , Hot water circulation pump Design, Up feed system, Down feed system & combination of Up feed and down feed system, solar water heater (Energy saving calculation).
Irrigation system: Garden water supply and fountain, Garden water supply and fountain pipe sizing, calculation of storage tank, Garden water fountain designing & pump selection.
Drainage system: Soil and waste water drain calculation in building vertical stack, branch drain/Discharge pipe, horizontal drain, Fixture unit rating, Maximum number of discharge unit allowed in stack, Design of horizontal drains by discharge unit method (DFU), Invert level & slope calculation, sump pit sizing, submersible sump pump sizing, Design of septic tank, soak away pits, Dispersion trenches, oil and grease Interceptor designing, Designing of common appurtenances, Inspection chambers & junction manholes, External foul water drainage for building.
Storm water: Designing of storm water Drainage system in building, Classification sizing of rain water gutters , External storm water drainage system Designing.
Vent System design: Types- a)Wet Vent System b)Waste Vent System c) Back to Back Vent System d)Circuit Vent System e)Loop Vent System f) Individual Vent System.
3. Estimation and Costing of Project
Understanding the tendering requirements, Quantity take off, preparing inquiry for suppliers & Finalizing the suppliers, Final Billing & Quotations finalization.
4. Plumbing Drafting
• Representation of concepts Design Drawing, Design Drawing & shop Drawing
• Location maps
• Site plan
• Plan of roof
• floor plan of the building
• Enlarge floor plan of toilet kitchen, plan elevation & cross section of structures including reinforcement details
• Detailing of plumbing services and preparing plumbing Drawing, Isometric Drawings
• Riser Diagram
5. Site Installation procedure
• Testing, Adjusting, Balancing concept & process, Installation & Inspection, safety measures, Pressure Testing, Testing & commissioning, Tracking list.
• Reference Standards : NBS, NSPC, NPC, IPC & ASPE standards.