TAREK TOLBA

MECHANICAL ENGINEER

Senior Technical Office Engineer (Orascom Construction)

35 YEARS OLD

o HVAC

- Read and understand architectural Drawing

- Project data collection ( orientation – elevation – walls exposure – floor area – no. of

people – lighting load – electrical equipment's load – widows )

- Load Estimation by ( Quick sizing (ASHRAE) - HAP software – Revit )

- Make a report Include ( total coil load – sensible coil load – cfm – entering db/wb

temp – outdoor ventilation )

- Use HAP report to make unit selection{ DX system (Decorative , Concealed ,

Packaged) – Chilled water system ( air cold chiller – water cold chiller) }

- selection for (FCU – AHU) Depending on Cooling Capacity , CFM , gpm

- selection for Cooling tower

- selection for PUMP Depending on gpm , Pressure Drop

- selection for HOOKUP of all systems .

- Air outlet selection ( square – round – linear bar – linear slot – jet diffuser )

Depending on

- ( total air flow rate – no. of supply – no. of return – position – NC – air throw –

pressure drop )

- Duct systems design (rectangular – round) By Mcquay Duct Sizer Depending on (air

flow rat – duct fitting – accessories )

- External Static presser calculation

- Design Drawings ( Autocad – Revit)

- BOQ & Specifications

o FIRE FIGHTING

- Make Fire Fighting System For Any Building according to Occupancy Hazard

(NFPA)

- Automatic (Sprinklers system – co2 / FM200 system)

- Manual ( Potable – F.H.C – F.H – F.D.C)

- piping & sizing for fire pipes

- selection for valves ( floor control valve – os&y – air vent – drain – relief valve )

- fire pump calculation (pressure – flow rat ) using fire elite hydraulic calculation program

- design drawings ( Autocad – Revit)

o PLUMBING

- WATER SUPPLY SYSTEM

- Checking the existing / Tie-in point for water supply network which supplying the

project.

- Calculate total fixture units for the project from IBC

- Calculate the required water tank volume (under ground – roof )

- Design (lifting – booster) water pump ( Q & pressure )

- Pipe sizing for riser & horizontal pipes

- pipe testing

- Valves selection for water supply network

- Design Drawings ( Autocad – Revit)

- DRAINAGE SYSTEM

- Pipe sizing for (Soil stack – waste stack – vent stack – Building sewer-rain water stack

- HVAC condensate)

- Piping installation , slope

- Clean out sizing

- Sizing and selection for I.C , Manhole , Catch basin

- Lifting station design

- Selection for submersible pump (flow rate – pressure)

- Pipe testing

- Design Drawings ( Autocad – Revit)