Various
Sewage covers and others should be safe to use, and be able to withstand high loads, as pedestrians, cars, trucks and sometimes heavier means of transportation will often pass.

Standards institutes around the world have established appropriate standards for compliance with these loads and for the safety of covers. The following list shows the Standard-mark/Standard/maximum-load that appear on the site's covers.

1 BENOR (Standard mark)
A voluntary Belgian standard body

There are 2 manhole covers in the site that has this standard mark
2 BVQI - BVC (Standard mark)
An international organization that issues regulatory codes originates in Belgium and is now headquartered in France

There are 3 manhole covers in the site that has this standard mark
3 CCIC (Standard mark)
Chinese organization for testing and determining quality

There are 1 manhole covers in the site that has this standard mark
4 COPRO (Standard mark)
An organization originating in Belgium whose purpose is to ensure quality in the field of construction and transportation

There are 6 manhole covers in the site that has this standard mark
5 EN1083 (Standard)
The European standard for drainage channels for Power-driven brushes

There are 1 manhole covers in the site that has this standard
6 EN124 (Standard)
The European standard for covers used in places where pedestrians and transport

There are 1051 manhole covers in the site that has this standard
7 Grade C75 (Standard)
A standard that expresses the quality of the metal

There are 1 manhole covers in the site that has this standard
8 ICIM (Standard mark)
An Italian non-profit standardization institute that operates in the following fields: mechanics, gas, and metal products

There are 27 manhole covers in the site that has this standard mark
9 IGQ (Standard mark)
An Italian non-profit standard organization founded in 1985 and recognized by the Ministry of Economic Development in Italy

There are 19 manhole covers in the site that has this standard mark
10 IQNet (Standard mark)
The International Certification Network

There are 1 manhole covers in the site that has this standard mark
11 ISO 1083 (Standard)
Standard of the International Organization for Standardization that defines the quality of the metal of cast metal elements

There are 3 manhole covers in the site that has this standard
12 ISO 9001 (Standard)
Standard of ISO that defines the quality of the product in the

There are 1 manhole covers in the site that has this standard
13 ISO 9002 (Standard)
An obsolete standard of ISO that defines the quality of the product in the production, installation and service stages.

There are 1 manhole covers in the site that has this standard
14 Kitemark (Standard mark)
Certification mark for quality of the British Standards Institute used mainly for products whose safety is as important

There are 105 manhole covers in the site that has this standard mark
15 SGS (Standard mark)
An international standardization institution based in Switzerland

There are 22 manhole covers in the site that has this standard mark
16 UNI (Standard mark)
Italian National Unification - acronym UNI

There are 46 manhole covers in the site that has this standard mark
17 A15 - Light load - pedestrians and cyclists (Load Standard)
Covers in areas used by pedestrians and bicyclists only

There are 14 manhole covers in the site that has this maximum load mark
18 A50 - Light load - pedestrians and cyclists (Load Standard)
Covers in areas used by pedestrians and bicyclists only

There are 43 manhole covers in the site that has this maximum load mark
19 AENOR product certificate (Standard mark)
Standard mark for Products of the Spanish Association for Standardization (AENOR)

There are 9 manhole covers in the site that has this standard mark
20 B125 - Light to moderate load - sidewalks or cars parking (Load Standard)
For areas used by pedestrians (sidewalks) or car parking

There are 529 manhole covers in the site that has this maximum load mark
21 B5110 - Austria (Standard)
Standard of the Austrian Standards Institute (ASI) for the manhole covers

There are 3 manhole covers in the site that has this standard
22 BS497 - UK (Standard)
British Standard for manhole covers for drainage purposes

There are 9 manhole covers in the site that has this standard
23 BS5834 - UK (Standard)
British Standard for surface boxes, guards and underground chambers

There are 6 manhole covers in the site that has this standard
24 C250 - Moderate load - road-curb (Load Standard)
For road-curb covers

There are 167 manhole covers in the site that has this maximum load mark
25 CE marking (Standard mark)
Certification mark for products belonging to the European Economic Area

There are 1 manhole covers in the site that has this standard mark
26 D400 - Heavy load - roads and sidewalks (Load Standard)
Covers used for roads and sidewalks, suitable for all types of vehicles

There are 439 manhole covers in the site that has this maximum load mark
27 DIN 19584 (Standard)
Manhole tops, class D 400

There are 3 manhole covers in the site that has this standard
28 DIN 4271 (Standard)
A German standard for manhole tops with vents, class B125

There are 1 manhole covers in the site that has this standard
29 E600 - Very heavy load - ports and airports (Load Standard)
Covers used in places where heavy weight tools such as ports and airports are passed

There are 15 manhole covers in the site that has this maximum load mark
30 EN1433 (Standard)
The European standard for drainage channels for vehicular and pedestrian areas

There are 3 manhole covers in the site that has this standard
31 F900 - Extreme heavy load - airports (Load Standard)
Covers used in places where extreme heavy weight tools such as airports are passed

There are 3 manhole covers in the site that has this maximum load mark
32 IO-CERT - Poland (Standard mark)
Standard certificate by a Polish institute in the field of foundry and metals

There are 6 manhole covers in the site that has this standard mark
33 IS 489 (Standard)
Standard of the Israeli Standards Institution for drain openings

There are 536 manhole covers in the site that has this standard
34 ISI - India (Standard mark)
Standard mark for Industrial Products in India

There are 1 manhole covers in the site that has this standard mark
35 Istituto Giordano - Italy (Standard mark)
An Italian institute that provides quality marks

There are 1 manhole covers in the site that has this standard mark
36 NBN - the Bureau for Standardisation (Standard mark)
Belgian Standards Institute

There are 1 manhole covers in the site that has this standard mark
37 NF (Standard)
NF is a French standard that originally states that the product meets the safety, quality, useability and performance requirements.

There are 30 manhole covers in the site that has this standard
38 The Standard mark of the Standards Institute of Israel (Standard mark)
The Standard mark of the Standards Institute of Israel

There are 1061 manhole covers in the site that has this standard mark
39 UNE - Spain (Standard mark)
Standard of The Spanish Association for Standardization

There are 12 manhole covers in the site that has this standard mark
40 ZIK - Croatia (Standard mark)
Standards stamp of the Croatian Quality Assurance Institute

There are 3 manhole covers in the site that has this standard mark

The ultimate manhole covers site

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