NEN EN 124 : 1994

Cooperating organizations
National foreword
Foreword
1. Scope
2. Normative references
3. Definitions
4. Classification
5. Place of installation
6. Materials
6.1 General
6.1.1 Manhole tops and gully tops
6.1.2 Gratings
6.1.3 Other materials
6.1.4 Cover fillings
6.2 Production, quality and testing
7. Design requirements
7.1 General
7.2 Vents in covers for manhole tops
7.3 Clear openings of manhole tops for man entry
7.4 Depth of insertion
7.5 Total clearance
7.6 Seatings
7.7 Edge and contact surfaces protection for manhole
       tops of steel reinforced concrete
7.8 Securing of the cover/grating within the frame
7.9 Slot dimensions
7.9.1 Straight slots
7.9.1.1 Classes A 15 and B 125
7.9.1.2 Classes C 250 to F 900
7.9.2 Slots other than straight
7.10 Dirt pans and dirt buckets
7.11 Positioning of covers and gratings
7.12 Surface condition
7.13 Loosening and opening of covers and gratings
7.14 Sealed manhole tops
7.15 Frame bearing area
7.16 Frame depth
7.17 Opening angle of hinged covers/gratings
7.18 Recessed covers (filled covers)
8. Testing
8.1 Test loads
8.2 Testing apparatus
8.2.1 Testing machine
8.2.2 Test blocks
8.2.3 Preparation for the test
8.2.4 Type testing
8.3 Testing procedure
8.3.1 Measurement of permanent set of the cover or grating
       after the application of 2/3 of the test load
8.3.2 Application of the test load
8.4 Measurement control
8.4.1 General inspection
8.4.2 Vents
8.4.3 Clear opening
8.4.4 Depth of insertion
8.4.5 Total clearance
8.4.6 Seatings
8.4.7 Edge protection
8.4.8 Securing of cover and/or grating within its frame
8.4.9 Slot dimensions
8.4.9.1 Straight slots
8.4.9.2 Slots other than straight
8.4.10 Dirt buckets, dirt pans
8.4.11 Surface condition
8.4.13 Loosening and opening of covers and gratings
8.4.14 Frame depth
8.4.15 Opening angle
8.4.16 Permanent set
9. Marking
10. Quality control
10.1 General
10.2 Quality control done by the manufacturer
10.2.1 Factories certified to EN 29002
10.2.2 Factories not certified to EN 29002
10.3 Third party control
10.3.1 Procedure of the 3rd party control
10.3.1.1 Factories certified to EN 29002
10.3.2 Report by the third party
10.3.3 Nonconforming units
11. Installation
Annex
A. (normative) Scheme of internal quality control
Tables
A.1 Receiving inspection and testing
A.2 Process control
A.3 Final inspection and testing of products
A.4 Rolled steel
A.5 Reinforced concrete
A.6 Inspection, measuring and test equipment - Handling,
      storage, packaging and delivery - Control of non-
      conforming product
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Establishes definitions, classes, materials, design and testing requirements, marking and quality control of gully tops and manhole tops (with a clear opening up to and including 1000 mm and for installation within areas subjected to pedestrian and/or vehicular traffic). Coverage includes gratings, cover fillings, seatings, frame bearing area, vents, straight slots, and quality control. Also gives detailed definitions, tables and diagrams.