Garment sewing data
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Garment sewing data is required in Ready Made Garment (RMG) manufacturing for the Industrial Engineers, Work-study officers or professionals to perform the preparatory work. One of the outcome of such preparatory work is estimation on labor requirement. Once the labor requirement is found the Industrial Engineering or work-study professionals can prepare a suitable sequence of workers, which is known as line layout in industrial sewing.
Garment sewing data has many other users one of them being standardization of work. Predetermined motion time system is a branch of Industrial Engineering associated with these topics. There are many books written on this subject. Read more on MTM here: Methods-time measurement
Relationship between Labour Cost and Efficiency[edit]
The Efficiency factor: Faster, Better Development and Production By Anton Wilson & Kilara Le, [TC]² explain the relationship between Labour Cost and Efficiency - USA
Quote: ..... But what is often not evaluated in these assessments is the actual efficiency of the factory, from the utilization of materials to the utilization of production labor; as well as the levels of non-production overhead required to operate the factory. All of these components factor into the cost of product from that factory. These assessments, or similar ones, need to include a basic review that evaluates the efficiency of the manufacturing process. Understanding the efficiency of a factory includes knowledge of methods, best technology and best management practices associated with the product type. True efficiency is present, not only on the sewing floor or in the cutting room, but in the culture of the operation.
Example[edit]
For example, two factories side by side might have the same number of production workers and pay the same hourly rate per worker, but one out-produces the other by 10-20% because of any combination of how they plan their cutting markers, the equipment they use, by having operators work within engineered labor standards, by management practices that lower turnover (which keeps training costs down and quality levels up), or any of several other factors. Whatever combination is used, the more efficient factory will always be expected to give lower net out the door cost of product, and that’s the factory companies will place more production with. The key for the importer is in having the ability to include within the assessment process a review for efficiency that is an accurate indicator of performance. By including efficiency reviews in the assessment process, the importer can assure its sourcing matrix has not only the correct product capabilities, at the correct quality and volume levels needed to support the business, but also that costing can also meet pricing and margin goals. By proactively working with better capability factories, long term cost (efficiency) improvements can be made to improve upon or maintain a cost competitive partnership. Quote End:
How to do sustainable labour costing[edit]
Published by University of Manchester, the Working Papers of "Capturing the Gains, global summit" brings together an international network of experts from North and South. The research programme is designed to engage and influence actors in the private sector, civil society, government and multi-lateral organisations. It aims to promote strategies for decent work in global production networks and for fairer international trade.
Working Paper 14 on manufacturing price (cut-make-trim, CMT, cost)[edit]
The Working Paper 14 focuses on a specific feature of buying behaviour in the UK fashion retail industry: the negotiation of a manufacturing price (cut-make-trim, CMT, cost) with suppliers that does not separately itemize labour cost. This practice, tacitly supported by both buyers and suppliers, is examined against the backdrop of ongoing wage defaulting and import price deflation in the global apparel industry. While wage non-compliance cannot be explained solely by this buying practice, since other commercial practices and factors may have an equal if not greater impact on a supplier’s liquidity/ability to pay on time and in full, the case is nevertheless made that an absence of labour costing must inevitably have an effect on the capacity of a factory to deliver an order at a negotiated price and to meet compliance benchmarks at the same time. The paper attempts to construct a formula for sustainable labour pricing at the buyer end using industrial engineering principles that appear to have been lost in the truncation of buying firms caused by international sourcing.
The make-up of standard time using PTS, Predetermined motion time system (PMTS)[edit]
For obvious reasons, such an approach is highly technical and ‘synthetic’ in the sense that the standard times are externally calculated from a database of ‘standard minute values’ (the US term is standard allowed minutes, or SAMs) empirically determined for the range of manual operations necessary to assemble a particular product. According to the International Labour Organization (ILO), as of 1992 there were some 200 different PTS systems, offered by consultancies for adoption by manufacturing companies (Kanawaty, 1992).
MODAPTS of USA, Sri Lanka based Seweasy and UK headquartered GSD[edit]
In apparel manufacture, three PTS (aka PMTS) consultancy firms specializing in MTM appear to be operating in the sector– the US-based Modular Arrangement of Predetermined Time Standards (MODAPTS), the Sri Lankan-based Seweasy and the UK-headquartered GSD (Corporate) Ltd. All three forms of work measurement for arriving at a standard time should normally make provision for relaxation, contingency and special allowances.
Welcome to the New Global Garment Industry 2014[edit]
David Birnbaum the supply chain expert has written new directions in 2014 at his own blog titled "Welcome to the New Global Garment Industry." He argues the recognition of the importance of INDIRECT COSTS has changed everything about the industry.
http://www.birnbaumgarment.com/2014/06/21/welcome-to-the-new-global-garment-industry-2/
Lean manufacturing and standardization will play a key role if that is so.
External links[edit]
- What is Standard Time http://gsdhq.com/defining-standard-time/
- Industrial Engineering Q & A http://seweasy.biz/protech.htm
- GSD http://gsdhq.com
- Seweasy http://Seweasy.biz
- The MTM system http://www.modapts.org
- http://www.methodsworkshop.com/ Methods Workshop (ETC) Estimated True Cost
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