1. Sanitary Works
a) Domestic Water Supply Works
b) Sanitary Ware or Appliances (Fixtures)
c) Wastewater Drainage Works
d) Water Treatment Works & STP
e) Irrigation Works
f) Sewage Treatment Works
g) Sanitary Maintenance Works
2. Piping Works
a) Fire Fighting Works
b) Fuel Piping Works
c) Technical Rooms (Acoustic)
3. Plumbing Maintenance Works
B. GAS WORKS
a) Pipes Installation
b) Fittings
c) Gas Manifold
d) Electrical Valve
e) Valve
f) Gas Meter
g) Gas Gauges
h) Maintenance
C. Other Mechanical Works
a) Mechanical Studies
b) Mechanical Maintenance
c) Mechanical Labelling
d) Mechanical Testing & Commissioning