PLUMBING DESIGNING & DRAUGHTING

A. FUNDAMENTALS
Introduction to Building Construction (Civil & MEP Services)
Introduction to Plumbing System

Cold Water, Gray Water System, Sewage System, Hot Water Circulating System, Irrigation System, Storm Water System

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

Darcy formula, Chezy’s formula, Manning’s formula, 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

B. PLUMBING DESIGN CALCULATION
Cold Water System

Domestic Water Tank (or) Underground reservoir Sizing, 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 diameter water pipes that can be connected to bigger pipes. Plumbers Chart for Pipe Sizing, Box Formula, Booster pump sizing & transfer, Pump Sizing (HP & Watts), Auto  Pneumatic, System & Pressure Tank Sizing, External Water Supply, Pipe Sizing, Pump Room Design with valve connection detail, Design of External Water System.

Gray Water System

Grey water cycle, Water Tank Sizing, Booster Pump Calculation, Grey water pipe sizing, Flush Water, Potable and non-potable loop pipe sizing (Software).

Hot Water System

Hot Water System Designing, Estimating Hot Water Demand, Calculating the Capacity of Non-Central & Central Water Heaters, Hot Water Pipe Sizing, Hot Water Circulating 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, Soakaway pits, Dispersion trenches, Oil and Grease  Interceptor Designing, Designing of common  appurtenances, Inspection Chambers and Junction manholes, External foul water drainage for building.

Storm water System

Designing of Storm water Drainage system in building, Sizing of Rain Water Gutters, External Storm water drainage system Designing.
Water Balancing Calculation. WTP(Water Treatment Plant), STP(Sewage Treatment Plant), Green Building (Water Saving Calculation), Plumbing Designing for High Rise Building, PRV Calculations.

D. ESTIMATION AND COSTING OF PROJECT

Understanding the tendering requirements, Quantity take off, Preparing Inquiry for Suppliers & Finalizing the suppliers, Final Billing & Quotations finalization.

E. PROJECT PROCUREMENT WORK

Preparation of purchase orders, Quotation Evaluation Sheet.

E. PLUMBING DRAFTING

a. Representation of Concepts Design Drawing, Design Drawing & Shop Drawing.
b. Location maps.
c. Site Plan.
d. Plan of Roof.
e. Floor plan of the building.
f. Enlarge floor plan of toilet kitchen, Plan elevation & cross section of structures including reinforcement details.
g. Detailing of Plumbing services and preparing plumbing drawing, Isometric Drawings.
h.  Riser Diagram.

REFERENCE  STANDARDS

NBC, NSPC, NPC, IPC & ASPE standards