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