“Fail Safe Design” is the objective of design. The designer has to compromise between the following three requirements: quality product, timely delivery and economic product. The designers are of the following types: process designer, product designer and project manager. Designs can be ready-made or tailor-made. Boiler parts are tailor-made. But some of the modules are standardized. Only few of the standard design are used. These designs are known as rationalized designs.
Suitable loads and load combinations are considered. Design is an iterative process. Design by analysis is the order of the day. The analysis can be process analysis or stress analysis. As designers are held responsible for negligence in duty and dereliction of duty, the designer should be careful. The guarantee and warranty of the design is only 18 months. Hence, if there is a failure after 18 months, the required products and support are provided at the cost of the buyer.
The following checks are done by the designer:
The designer is responsible for “Cradle to Grave” of the product. Pre-planing and pre-engineering are required for timely delivery of products.