Respected sir,
Kindly listen to me for a while, it is a humble request. We are trying to establish a career through freelancer. We are a professional team of civil engineers, can handle any potential projects related to the civil and building industry. I have worked several extension( vertical extension as well as horizontal extension) projects in my life. For the connection, we have to provide Hilti RE 500 BY MD 2000 GUN. For drainage and other plumbing and sanitary works, we can organize the new plan or do modifications in the existing connections.
If you are interested, kindly come to me for a discussion.