DN900 Composite Manhole Cover 400kN

A PROPOSAL ON THE SUBJECT OF PRIVATE STANDARDIZATION

THE SUBJECT OF STANDARDIZATION

THE PROPOSAL - Title of proposal:
"Dimensions of special product of a vehicular area round opening manhole cover, of composite construction, size D895/900, and 125, 250, 400 kN loading test." Proposed material: - fiberglass, fiber reinforced composite (FRC), kevlar layer; GRP/FRP/Composite; SMC composite, a.o.

The proposal comes to settle a private standardization publication/deliverable on the subject of the dimensions of a special product of manhole covers - in order to be in concordance and to complete with requirement of the CEN basic standard,- "EN124 Gully tops and manhole tops for vehicular and pedestrian areas. Design requirements, type testing, marking, quality control", - or other basic standard concerning outdoor, street or residential area, manhole covers - as long as the basic standard does not apply for dimensions of manhole covers.

As conclusion the proposed document (norm) aims to specify the main dimensions for special product of Composite Manhole Cover of D895/900, round opening.


Short description of design related to product and main dimensions:
> Round frame with round opening;
- overall dia. of lid piece, - 895 mm,
- top opening of frame (at top side), - dia. 900 mm, - round,
- top dia. of frame (at top side), - 950 mm, - round,
- outer dia. of base collar/flange of frame, - dia.995mm, - which fits the chambre enterance,.
> to fit an 1000 mm dia. manhole top opening,
- clearance of frame, - about 830 mm,
- optional, holes of at least 10 sq.cm. each one; - as vent/key holes.


The product which the subject of standardization consists in, may be useful as manhole cover for outdoor water supply as well drainage or sewer chambers in vehicular areas.


The type of document, as possible, the proposal may latter convert:
> concerning the ISO/CEI-2:2004: - technical specification (3.4), technical report (3.5), publicly available specification (3.7).
> concerning the EN45020:2006 description: - pre-standard (3.3), technical specification (3.4), unilaterally aligned standard (6.8), - all of these aligned (related) to the EN124 CEN standard which is a basic standard (5.1).

DN650 Composite Manhole Cover 125kN

A proposal on the subject of private standardization

THE SUBJECT OF STANDARDIZATION

THE PROPOSAL - Title of proposal:
Dimensions of special product of Outdoor Manhole Cover, of composite construction, of size D650/655, B125 (125kN) loading class.
Proposed material: - fiberglass, fiber reinforced composite (FRC), kevlar layer; GRP / FRP / Composite; SMC composite, a.o.

The proposal comes to establish a standardization subject publication/deliverable concerning dimensions of special products of manhole covers - which may be in concordance with requirement of the EN124 Gully tops and manhole tops for vehicular and pedestrian areas. Design requirements, type testing, marking, quality control, or other basic standard concerning outdoor, street or residential area, manhole covers - as long as the basic standard does not apply for dimensions of special products of manhole covers. (eg.EN124).

The proposed document (norm) aims to specify the main dimmensions for special product of Composite Manhole Cover of D650/655.

Description of design and dimensional aspects:
> Square frame with round opening;
- top side of frame: 767 mm - square,
- top opening of frame: dia. 655 mm - round,
- inner opening of base of frame - 767x767mm - to fit an 750x750mm manhole top opening
- clearance of frame, - about 600 mm,
- optional, - thermal insulation for lid and frame.
- central round key-hole of about 1.5 sq.cm. (easy opening with common tools).

The product which the subject of standardization consists in, may be useful as outdoor watermeter or water supply chambers.

Type of standard, (as we consider the proposal, - as EN45020:2006 description);
> pre-standard (3.3), product standard (5.4), technical specification (3.4), unilaterally aligned standard (6.8), - all of these aligned (related) to the EN124 CEN standard which is a basic standard (5.1).

DN575 Composite Manhole Cover

A proposal on the subject of private standardization

THE SUBJECT OF STANDARDIZATION

THE PROPOSAL - Title of proposal:
Dimensions of special product of outdoor watermeter chamber manhole mover, of composite construction, of size D575/580 or 22.625/22.8125in lid/frame top-opening.
The proposal comes to establish a private standardization publication/deliverable concerning the subject of dimensions of special products of manhole covers - in order to be in concordance and to complete with requirement of the CEN standard EN124 Gully tops and manhole tops for vehicular and pedestrian areas. Design requirements, type testing, marking, quality control, or other basic standard concerning outdoor, street or residential area, manhole covers - as long as the basic standard does not apply for dimensions of special products of manhole covers. (e.g.EN124).


The proposed document (norm) aims to specify the main dimensions for special product of Composite Manhole Cover of D575/580mm or 22.625/22.8125in lid/frame top-opening.


Description of design and dimensional aspects:
> Square frame with round opening;
- overall diameter of lid - 575mm or 22.625in
- top side of frame: 750mm or 29.5in; 800mm or 31.5in; 850mm or 33.5in; - square,
- top opening of frame: dia. 580 mm or 22.8125in; - round,
- inner opening of base of frame:
= - 775x775mm or 30.5x30.5in - to fit a 750x750mm or 30x30in manhole top opening,
= - 825x825mm or 32.5x32.5in - to fit an 800x800mm or 32x32in manhole top opening;
- clearance of frame, - about 525...530mm or 20.625...20.875,
- optional, - thermal insulation for lid and frame.
- easy opening with common tools, - central round key-hole of about 1.5...2 sq.cm or 0.25...0.3sq.in.

The product which the subject of standardization consists in, may be useful as outdoor watermeter or water supply chambers.

Type of standard, (as we consider the proposal, - as EN45020:2006 description);
> pre-standard (3.3), product standard (5.4), technical specification (3.4), unilaterally aligned standard (6.8), - all of these aligned (related), as case may be, to the EN124 CEN standard which is a basic standard (5.1).