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Repairs in new Construction: Waterproofing of ACP Roof Joints


Total Credits: .5 PDH

Category:
Technical Presentations
Presenter(s):
Mr Khiam Sarwar
Duration:
25 Minutes
Format:
Audio and Video
License:
Access for 6 month(s) after purchase.



Description

Due to improper design or implementation sometimes Part of the New projects are re-executed or repaired. Islamabad - Rawalpindi BRTS (Bus Rapid transit System) Consisted of 20 Stations Covering around 23 km path connecting twin cities. Each station Roof Consisted of ACP Sheets Fixed on Aluminum Frame with Steel supports. The joints of ACP sheets were filled by Silicon but improper materiel and workmanship caused leakage in joints. Total length of joints was over 400,000 RFT. Leakage was invariably from almost every area. So in order to avoid hectic procedure of tracing the leakage all the joints needed treatment so a permanent solution could be established:

 

  1. The low thickness and poorly bonded silicon was removed and replaced with Polyurethane sealant.
  2. After filling the joints, they were allowed to cure for 6–7 days before water Pounding test was conducted.
  3. All the joints were covered by 6 inches wide LAM (Liquid applied Membrane) Polyurethane based Waterproofing system UV Resistant in four steps:
    1. Grinding for paint removal;
    2. PU Primer;
    3. PU Flood Coat with Reinforcement Fabric;
    4. Top coat keeping aesthetics. 

Presentation Learning Objectives:

  1. Unseen Challenges in new Construction
  2. Waterproofing of Vibrating Roof Structure
  3. Waterproofing with Aesthetics 
  4. Working on operating stations with challenges like Rainy Season and Height

Handouts

Presenter(s)

Mr Khiam Sarwar's Profile

Mr Khiam Sarwar Related seminars and products

C.E.O

Fawchem


Khiam Sarwar has been working in the field of specialty construction for nearly 14 years with over 90 projects of Refurbishment to his name Including Structural Strengthening with CFRP Systems, Flooring, Waterproofing anchoring etc. After getting graduation degree in chemical engineering from University of engineering & Technology Lahore, Pakistan he started working in composite materials. In 2011 he founded company "FAWCHEM" He worked on numerous projects including Structural strengthening Concrete repair Flooring (Epoxy & PU) Waterproofing Jetty Structures, Lighthouse, High-rise Buildings, Production Facilities, Data Centers, Cement Plants, Power Plants, Gas Fields, Schools, hospitals are to name a few.


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