11/30243193 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS 750 - SPECIFICATION FOR UNDERGROUND FIRE HYDRANTS AND SURFACE BOX FRAMES AND COVERS
Hardcopy , PDF
30-09-2012
English
Foreword
0 Introduction
Section 1: General
1 Scope
2 Normative references
3 Terms and definitions
Section 2: Fire hydrants
4 General requirements
5 Wedge-gate (type 1)/Type 1 fire hydrant
6 Screw-down (type 2)/Type 2 fire hydrant
7 Outlets
8 Stem drive
9 Draining system
10 Coating
11 Maintenance of water purity (potable water systems only)
12 Type requirements
13 Hydrant assembly - resistance to internal pressure of
the shell and of all pressure containing components and
resistance of the obturator to differential pressure
14 Hydrostatic test certificate
15 Marking and additional data
Section 3: Surface box frames and covers
16 General
17 Grading
18 Materials
19 Manufacture, workmanship and coating
20 Design features
21 Marking
22 Type requirements
23 Production requirements
24 Test certificate
Annex A (normative) - Type tests for strength, security and
endurance
Annex B (normative) - Type hydrostatic tests for screwed
outlets
Annex C (normative) - Air release test
Annex D (normative) - Obturator impact resistance test
Annex E (normative) - Type and production loading tests for
surface box frames and covers
Annex F (informative) - Information to be supplied by the
purchaser
Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.