{"id":439564,"date":"2024-10-20T08:09:48","date_gmt":"2024-10-20T08:09:48","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-7502023-tc\/"},"modified":"2024-10-26T15:17:21","modified_gmt":"2024-10-26T15:17:21","slug":"bs-7502023-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-7502023-tc\/","title":{"rendered":"BS 750:2023 – TC"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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1<\/td>\n | 30477682 <\/td>\n<\/tr>\n | ||||||
61<\/td>\n | A-30396868 <\/td>\n<\/tr>\n | ||||||
65<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
67<\/td>\n | Introduction 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
69<\/td>\n | 3 Terms and definitions 4 Fire hydrants 4.1 General 4.2 Type 1 fire hydrant <\/td>\n<\/tr>\n | ||||||
70<\/td>\n | Figure 1 \u2014 Type 1 fire hydrant showing required dimensions <\/td>\n<\/tr>\n | ||||||
71<\/td>\n | Figure 2 \u2014 Type 1 fire hydrant showing required dimensions (integral) 4.3 Type 2 fire hydrant <\/td>\n<\/tr>\n | ||||||
73<\/td>\n | Figure 3 \u2014 Type 2 fire hydrant showing required dimensions <\/td>\n<\/tr>\n | ||||||
74<\/td>\n | Figure 4 \u2014 Type 3 fire hydrant showing required dimensions (through-bore) <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | Figure 5 \u2014 Example of primary and secondary seals within the chambers <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | 5 Outlets <\/td>\n<\/tr>\n | ||||||
78<\/td>\n | Figure 6 \u2014 Screwed outlet (round thread) and outlet cap showing required dimensions 6 Stem drive 6.1 Dimensional and performance requirements <\/td>\n<\/tr>\n | ||||||
79<\/td>\n | 6.2 Closing direction 6.3 Stem termination 7 Draining system 8 Coating 9 Maintenance of water purity (potable water systems only) 10 Type requirements 10.1 General 10.2 Hydraulic characteristics <\/td>\n<\/tr>\n | ||||||
80<\/td>\n | 10.3 Load\/deflection requirements of screwed outlets 10.4 Strength and leak tightness requirements of type 2a and type 2d screwed outlets \u2013 resistance of screwed outlets to rotational force 10.5 Resistance of fire hydrants to operating forces 10.6 Strength and leak tightness requirements of type 2a and type 2d bonnets \u2013 resistance of bonnets to rotational force <\/td>\n<\/tr>\n | ||||||
81<\/td>\n | 10.7 Endurance of the outlet 10.8 Air release 10.9 Obturator impact resistance 11 Fire hydrant assembly \u2013 resistance to internal pressure of the shell and of all pressure containing components and resistance of the obturator to differential pressure 12 Hydrostatic test certificate 13 Marking and additional data <\/td>\n<\/tr>\n | ||||||
82<\/td>\n | 14 Surface box frames and covers 14.1 General 14.2 Grading 14.3 Materials 14.4 Manufacture, workmanship and coating 14.5 Design features <\/td>\n<\/tr>\n | ||||||
83<\/td>\n | 14.6 Frame depth and width Figure 7 \u2014 Minimum bedding width of surface box frame showing required dimensions 14.7 Surface box cover lifting arrangement <\/td>\n<\/tr>\n | ||||||
84<\/td>\n | Figure 8 \u2014 Prising bar dimensions <\/td>\n<\/tr>\n | ||||||
85<\/td>\n | Figure 9 \u2014 Geometry of prising slots <\/td>\n<\/tr>\n | ||||||
86<\/td>\n | Figure 10 \u2014 Detail of keyhole and key 15 Fire hydrant chamber alignment 16 Marking 17 Type requirements <\/td>\n<\/tr>\n | ||||||
87<\/td>\n | 18 Production requirements Table 1 \u2014 Production test load requirements and acceptance criteria 19 Test certificate <\/td>\n<\/tr>\n | ||||||
88<\/td>\n | Annex A (normative)\u2002 Type tests for fire hydrant strength, security and endurance <\/td>\n<\/tr>\n | ||||||
89<\/td>\n | Figure A.1 \u2014 Load\/deflection test apparatus <\/td>\n<\/tr>\n | ||||||
91<\/td>\n | Annex B (normative)\u2002 Type hydrostatic tests for screwed outlets <\/td>\n<\/tr>\n | ||||||
92<\/td>\n | Annex C (normative)\u2002 Air release test Figure C.1 \u2014 Example arrangement of test apparatus <\/td>\n<\/tr>\n | ||||||
93<\/td>\n | Annex D (normative)\u2002 Obturator impact resistance test <\/td>\n<\/tr>\n | ||||||
94<\/td>\n | Annex E (normative)\u2002 Hydrant box cover opening procedure Annex F (normative)\u2002 Type and production loading tests for surface box frames and covers <\/td>\n<\/tr>\n | ||||||
96<\/td>\n | Annex G (informative)\u2002 Information to be supplied by the purchaser <\/td>\n<\/tr>\n | ||||||
97<\/td>\n | Annex H (normative)\u2002 Alignment and depth of the hydrant in the chamber Figure H.1 \u2014 Hydrant chamber offset (horizontal) <\/td>\n<\/tr>\n | ||||||
98<\/td>\n | Figure H.2 \u2014 Hydrant chamber offset (vertical) <\/td>\n<\/tr>\n | ||||||
99<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Underground fire hydrants. Surface box frames and covers. Specification<\/b><\/p>\n |