T/HEBQS 022-2024 Active Group standards

T/HEBQS 022-2024 Manhole Cover

T/HEBQS 022-2024

Publish Date: 2024-06-25 Implement Date: 2024-07-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/HEBQS 022-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The comprehensive construction industry

Publish Date: 2024-06-25

Implement Date: 2024-07-15

Scope

Main technical content: 4.1.2 Inspection manhole covers are divided into the following six groups according to their usage scenarios: - Group 1 (minimum type A15): Green belts, sidewalks, and other areas where motor vehicles are prohibited. - Group 2 (minimum type B125): Sidewalks, non-motorized lanes, small car parking lots, and underground parking garages. - Group 3 (minimum type C250): Residential communities, back alleys, and areas where only light motor vehicles or small cars are driven, within 0.5 m from the curb on both sides of the road. - Group 4 (minimum type D400): Urban main roads, highways, and other areas. - Group 5 (minimum type E600): Freight stations, docks, airports, and other areas. - Group 6 (minimum type F900): Airport runways and other areas. 4.1.3 Inspection manhole covers are divided into two types based on their specifications: manhole covers and non-manhole covers. There are no specifications for non-manhole covers. Manhole covers are divided into the following four categories based on the net opening (co) of the manhole base: - 600 mm - 700 mm - 800 mm - 900 mm Note: Inspection manhole covers of other specifications can be produced according to user requirements.