Here Pipe line connection Piping Branch connections use pipe fittings or specifically outlet fittings for taking branches in the pipe. These outlet fittings come with integrally reinforced projections that make them a more reliable and strong branch connection. he larger diameter pipes are often use flange connection to connect. Flange connection is generally used in the main road connection valves, check valves, water meters, water pumps, etc., And the pipe sections that need to be disassembled and repaired frequently. 2. Welding Metal pipes are often connected by welding. in plan show back veranda , front veranda , ground floor kitchen ,ground floor toilet , 3\4'' pipe ,1/2'' pipe 1/4'' pipe mcd tank, motor tank , 3/4'' pressure pump line also include first floor on motor and second floor on motor shown in plan for more details of Pipe line connection download this file.