FOREWORD v NOTES ON THE USE OF THE GUIDE vii INDEX TO BYELAWS ix PART I GENERAL PROVISIONS PART II PREVENTION OF CONTAMINATION OF 17 WATER FROM CONTACT WITH UNSUITABLE MATERIALS OR SUBSTANCES PART Ill PREVENTION OF CONTAMINATION OF 27 WATER BY BACKSIPHONAGE, BACKFLOW OR CROSS-CONNECTION PART IV PREVENTION OF WASTE, OR 91 CONTAMINATION OF STORED WATER PART V PREVENTION OF WASTE OF WATER 117 FROM DAMAGE TO WATER FITTINGS FROM CAUSES OTHER THAN CORROSION PART VI PREVENTION OF WASTE FROM OR 127 CONTAMINATION BY UNSUITABLE OR IMPROPERLY INSTALLED WATER FITTINGS PART VII STOPVALVES, ETC. 159 PART VIII WATERCLOSETS AND URINALS 175 PART IX PREVENTION OF WASTE, MISUSE AND 189 CONTAMINATION OF WATER FROM DRAW-OFF TAPS, BATHS, BASINS, SINKS AND OTHER FITTINGS PART X PREVENTION OF WASTE OR 197 CONTAMINATION OF WATER FROM ANY HOT WATER SYSTEM PART XI TAPS FOR DRAWING DRINKING WATER 209 PART XII NOTICES TO UNDERTAKERS 213 PART XIII PENALTIES 217 PART XIV REVOCATION 219 APPENDIX A - CONSTITUTION OF PANEL PRODUCING 223 GUIDE APPENDIX B - METRIC CONVERSION TABLES 224 APPENDIX C - LIST OF BRITISH STANDARDS CITED 225 IN GUIDE GUIDE REFERENCES