Application of Attribute Quality Control Chart (AQCC) in Brick Industry Clusters (BIC):

A Special Reference to Oluvil Brick Manufactory (OBM), Ampara Coastal Belt (ACB) of Sri Lanka

Ismail M.B.M

Senior Lecturer in Management Department of Management

South Eastern University of Sri Lanka. Sri Lanka

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Velnampy T

Dean, Faculty of Management Studies & Commerce

University of Jaffna. Sri Lanka

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(QC 06)

Abstract –

Quality control is a process by which entities review the quality of all factors involved in production. Statistical process control (SPC) is the application of statistical methods to the monitoring and control of a process to ensure that it operates at its full potential to produce conforming product.

Attribute control chart is one type of the control chart. This research aims at knowing numbers of quality (non-defectives) and defectives manufactured by Oluvil Brick  Manufactory and determining 3 sigma levels for Oluvil Brick Manufactory.

Oluvil Brick Manufactory is taken a case study. This research is approached by analytical model of graphs i.e. attribute control chart and mathematical equations such as Upper Control Limit (UCL) and Lower Control Limit (LCL) for quality control.

This research is based on both exploratory design and conclusive design. It is concluded that Oluvil Brick Manufactory produces 98 % non-defectives and 2 % of defectives. It produces bricks within 3 sigma levels. Once defectives are removed there can be zero-defective in Oluvil Brick Manufactory. Divisional Secretariat of Addalaichenai can recover its sales of bricks lost in past.

This research adds value due to first time application of np chart among Brick Industry Clusters (BIC) in Divisional Secretariat of Addalaichenai.

Index Terms — Attribute Quality Control Chart, Brick Industry Clusters, Ampara Coastal Belt