1 INTRODUCTION & SCIENCE GOALS
2 SURVEY DESIGN
2.1 Requirements
2.2 Choice of Fields
2.3 Observing Modes
2.4 Dithering
2.5 Sensitivity
2.6 Economies from Nesting
2.7 Total Time
2.8 Special Requirements and Constraints
2.9 Observations
2.10 Comparison with Other Herschel Surveys
3 EARLY AND ANTICIPATED SCIENCE
3.1 Confusion Limits
3.2 Science Above the Confusion Limit
3.3 Science Below the Confusion Limit
3.4 Additional Science Enabled by HerMES
4 DATA PRODUCTS
4.1 SPIRE Catalogues
4.2 Ancillary Data
4.3 Archival Value and Data Access
5 DISCUSSION AND CONCLUSION