{"id":213017,"date":"2024-10-19T13:48:02","date_gmt":"2024-10-19T13:48:02","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-79032020\/"},"modified":"2024-10-25T06:40:59","modified_gmt":"2024-10-25T06:40:59","slug":"bs-79032020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-79032020\/","title":{"rendered":"BS 7903:2020"},"content":{"rendered":"
This British Standard gives guidance for the selection and installation of manhole tops and gully tops conforming to BS EN 124\u20111:2015 to BS EN 124\u20116:2015 for covering gullies, manholes and inspection chambers to be used in conjunction with other components and materials to form a safe, durable, maintainable and usable installed system for highway applications.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
5<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 4.1 General (see BS EN 124-1:2015, Clause 4 and Annex F) <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4.2 Place of installation 5 Materials 5.1 General (see BS EN 124-1:2015, 5.1) <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 5.2 Cover fillings (see BS EN 124-1:2015, 5.2) 5.3 Frames in combination with concrete (see BS EN 124-1:2015, 5.3) 5.4 Coating materials 5.5 Installation materials (see BS EN 124-1:2015, Annex F) <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 5.6 Compatibility of components 6 Design attributes 6.1 Vents in covers (see BS EN 124-1:2015, 6.1) 6.2 Clear opening of manhole tops for man entry (see BS EN 124-1:2015, 6.2) 6.3 Depth of insertion (see BS EN 124-1:2015, 6.3) 6.4 Clearance 6.5 Compatibility of seatings (see BS EN 124-1:2015, 6.5) <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6.6 Securing of the cover\/grating within the frame (see BS EN 124-1:2015, 6.6) 6.7 Handling of covers and gratings (see BS EN 124-1:2015, 6.7) 6.8 Slot dimensions of gratings 6.9 Dirt pans and dirt buckets (see BS EN 124-1:2015, 6.9) 6.10 Positioning of covers and gratings (see BS EN 124-1:2015, 6.10) 6.11 Flatness of manhole covers and gratings (see BS EN 124-1:2015, 6.11) 6.12 Concaveness of gratings (see BS EN 124-1:2015, 6.12) <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 6.13 Surface conditions (see BS EN 124-1:2015, 6.13) 6.14 Manhole tops with sealing features (see BS EN 124-1:2015, 6.14) 6.15 Frame bearing area (see BS EN 124-1:2015, 6.15) <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Figure 1 \u2014 Installation materials and components 6.16 Frame depth (see BS EN 124-1:2015, 6.16) 6.17 Opening angle of hinged covers\/gratings (see BS EN 124-1:2015, 6.17) 6.18 Covers with fillings (see BS EN 124-1:2015, 6.18) 6.19 Lifting provisions <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 6.20 Keyways Figure 2 \u2014 Keyways and keys 6.21 Frame web\/gusset <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Figure 3 \u2014 Frame web\/gusset 6.22 Kerb-type gully covers and frames <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | Table 1 \u2014 Suggested minimum dimensions for kerb-type gully covers and frames 7 Performance 7.1 Appearance (see BS EN 124-1:2015, 7.1) 7.2 Loadbearing capacity (see BS EN 124-1:2015, 7.2) 7.3 Permanent set (see BS EN 124-1:2015, 7.3) 7.4 Skid resistance <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 7.5 Child safety (see BS EN 124-1:2015, 7.5) 8 Testing (see BS EN 124-1:2015, Clause 8) 9 Assessment and verification of constancy of performance (AVCP) (see BS EN 124\u20111:2015, Clause 9) <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Selection and installation of manhole tops and gully tops within the highway. Guide<\/b><\/p>\n |