Septic Tank Design
A septic tank is a wastewater refining system. It is need for safe our environment. So must be septic tank design by engineer. Below I present septic tank drawing details with in autocad dwg file.

Septic Tank Drawing with 15'x10'. How to  two chamber septic tank design with in autocad file. 


Septic tank section on B-B. Septic tank height 7' and tow chamber tank. Inlet and outlet pipe diameter 6 inch.


Slab detail of septic tank. Slab main reinforcement will use 12 mm 𝞥 @ 6" c/c bottom and top bar.


This post is complete septic tank design to ready for construction work. It is so simple for design. below attach in this autocad dwg file. This dwg file to many describe with in this structure. And get ready septic tank for construction site. This file has three drawing for Septic tank.

Water Tank Design
How many area in a house or office water tank fully depended this number of people at house or office. Water Tank design do carefully for this thickness and mortar ratio. Because water tank will be leakage.
This is a Water tank plan 15'x10'.


This is a Section on A-A. Complete the construction for house water reserve. This is free download autocad dwg file below.