This document specifies the requirements for the design and use of vitreous enamel coated bolted cylindrical steel tanks for the storage or treatment of water or municipal or industrial effluents and sludges. It is applicable to the design of the tank and any associated roof and gives guidance on the requirements for the design of the foundation. It is applicable where: a) the tank is cylindrical and is mounted on a load-bearing base substantially at or above ground level; b) the product of the tank diameter in metres and the wall height in metres lies within the range 5 to 500; c) the tank diameter does not exceed 100 m and the total wall height does not exceed 50 m; d) the stored material has the characteristics of a liquid, exerting a negligible frictional force on the tank wall; the stored material can be undergoing treatment as part of a municipal or industrial effluent treatment process; e) the internal pressure in the headspace above the liquid does not exceed 50 kPa and the internal partial vacuum above the liquid does not exceed 10 kPa; f) the walls of the tank are vertical; g) the floor of the tank is substantially flat at its intersection with the wall; the floor of the tank can have a rise or fall built in to allow complete emptying of the tank contents, the slope of which does not exceed 1:100; h) there is negligible inertial and impact load due to tank filling; i) the minimum thickness of the tank shell is 1,5 mm; j) the material used for the manufacture of the steel sheets is carbon steel (tanks constructed of sheets made from aluminium or stainless steel are outside the scope of this document); k) the temperature of the tank wall during operation is within the range ?50 \u00b0C to +100 \u00b0C under all operating conditions. This document also gives details of procedures to be followed during installation on site and for inspection and maintenance of the installed tank. It does not apply to chemical-reaction vessels. It does not cover resistance to fire.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | European foreword Endorsement notice <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1 \u200bScope <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 2 \u200bNormative references 3 \u200bTerms and definitions <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 4 \u200bSymbols <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 5 \u200bUnits <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 6 \u200bInformation and requirements to be agreed and documented 6.1 \u200bGeneral 6.2 \u200bInformation to be provided by the purchaser <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 6.3 \u200bInformation to be provided by the designer 7 \u200bApplicable standards <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 8 \u200bLoads 8.1 \u200bGeneral 8.2 \u200bContents 8.2.1 \u200bGeneral 8.2.2 \u200bFreeboard 8.2.3 \u200bHydrostatic pressure 8.2.4 \u200bAxial wall forces 8.2.5 \u200bFilling and discharging <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 8.3 \u200bTank structure 8.4 \u200bRoof 8.5 \u200bEquipment loads 8.5.1 \u200bGeneral 8.5.2 \u200bStatic load 8.5.3 \u200bDynamic load 8.6 \u200bAccess <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 8.7 \u200bEnvironmental 8.7.1 \u200bGeneral 8.7.2 \u200bSeismic action 8.7.3 \u200bWind 8.7.4 \u200bSnow 8.7.5 \u200bIce 8.8 \u200bAncillary items <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 9 \u200bDesign 9.1 \u200bGeneral 9.2 \u200bSteel 9.2.1 \u200bSpecification 9.2.2 \u200bEffects of the enamelling process 9.3 \u200bTank 9.3.1 \u200bLoad factors <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 9.3.2 \u200bTank walls <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 9.3.3 \u200bTank roof 9.3.4 \u200bAttachment of walls to floor 9.3.5 \u200bTank floor <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 9.3.6 \u200bAncillary items 9.3.7 \u200bCathodic protection 9.4 \u200bOpenings 9.4.1 \u200bAccess manway 9.4.2 \u200bPipe connections <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | 9.4.3 \u200bOverflows 9.4.4 \u200bReinforcement of manways and pipe connections in the tank shell 9.4.5 \u200bConnections in the roof 9.5 \u200bEffects of accidents 9.5.1 \u200bRisk assessment <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | 9.5.2 \u200bExplosions 9.5.3 \u200bUncontrolled fluctuation in input stream characteristics 10 \u200bVitreous enamel coating 10.1 \u200bVitreous enamel 10.2 \u200bCoating 10.3 \u200bVitreous enamel quality 10.3.1 \u200bPreparation and test frequency 10.3.2 \u200bInspection <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | 10.3.3 \u200bOn-site rectification <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | 10.4 \u200bProtection during shipping 10.5 \u200bMaintenance 11 \u200bInstallation 11.1 \u200bGeneral information 11.2 \u200bFoundations 11.3 \u200bInspection of the vitreous enamel coating at the construction site 12 \u200bDisinfection <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Vitreous and porcelain enamels. Design of bolted steel tanks for the storage or treatment of water or municipal or industrial effluents and sludges<\/b><\/p>\n |