# Introduction
1.1 Purpose
The document's purpose is to guide municipal staff members on the functionalities of the Sewer Information Collection Mobile App of Base IMIS, allows the collection of the unique ID of both the building and the corresponding sewer network through a field survey. The collected building ID as well as sewer ID are maintained by the Sewer Connection Information Support System, and once approved it is reflected in the Building Information Management System, which updates the sanitation system and utility information of the building. It details the step-by-step procedure of all the functionalities within the app. The app is a mobile tool designed to help the Municipality digitize, maintain, and update the sewer database. The collected sewer data from this app undergoes a verification process through the Web application of Base IMIS. This process includes adding necessary attribute data to create and maintain a comprehensive dataset of sewers connected to buildings.
1.2 Targeted Audience
Targeted users of this manual are the Infrastructure Department of the Municipality. This manual guide to perform details related to the actual sewer connection network.
1.3 App Installation
An APK file will be made available in a common access location or shared via a link that can be downloaded and installed on your device.
1.4 Installation Procedure
· Download the APK file on your device and go to the **‘Downloads’** folder using the **‘File Manager’**.
Figure 1-1 APK file
· Locate the corresponding **.apk** file and tap on it. The installation process will begin.
· Tap on ‘INSTALL’. An “Installing…” progress bar will be displayed.
Figure 1-2 Installation process
· Tap on the ‘Open’ after the installation process is completed.
Figure 1-3
Overview:
· The installed app can also be accessed from the App drawer or Launcher.