Medium and low voltage distribution, substations, switchgears and motor control centers Emergency generator system sizing Telephone, intercom, data and cable TV systems Lighting – interior architectural illumination Lighting – covered and open areas Photometric studies and calculation Site lighting inspection Dimming and lighting control system Fire Alarm and signaling Security system infrastructure Lightning / surge protection system design Air conditioning load calculation and unit selection Heating and ventilation system design Residential and commercial energy calculations Ductwork sizing and distribution Indoor air quality studies and humidity control Air-cooled and water-cooled chiller plants Cooling Tower and associated piping Constant and variable air volume systems Smoke control system Energy management system Pump stations Hot and cold-water distribution and sizing Gas distribution and sizing Sanitary sewer Condensate piping Storm water drainage Steam boiler system design Emergency sump pump and collection Emergency overflow Septic tank system design Wet / Dry Fire protection layout Hydraulic calculations Dry agents such as ANSUL and FM 200 system for computer rooms Fire Pump system selection and flow diagram Standpipe systems