Detailed engineering drawing of a wastewater preliminary treatment system for the Barão de Cocais municipal sewage treatment plant. This drawing includes plan views and multiple cross-sections (AA, BB, CC) of an integrated treatment train featuring:
Key Components:
– Inlet channel with manual bar screen (1.5cm spacing between 1×3/8″ rectangular bars)
– Manual gate (“Leo Lite” type) with corrosion-resistant materials
– 6″ Parshall flume for flow measurement
– Grit chamber (desarenador) with 100mm diameter discharge pipe
– Overflow system (DN 300 PVC)
Technical Details:
– Elevation levels range from 728.00m to 729.60m
– Manual screen cleaning rake detail with steel components and wooden handle
– Gate guide mounting details showing L-1x1x3/16″ profiles with anchoring system
– Cast iron pipe connections (DN 250/DN 300) with detailed material list
– Surface preparation specifications including abrasive blasting per SSPC-1068 (SIS SA 2.5) and epoxy/coal tar coating system
The drawing includes dimensions, elevations, and detailed cross-sections showing the hydraulic profile through the treatment process designed for proper solids removal prior to biological treatment.
