Municipal Castings - Residential Area Manhole Covers: NS-530-560-600 Manhole Covers and Grates

TECHNICAL REPORT - Dimensional Based Particulars

Title of Technical Report:
"Municipal castings. Manhole tops. Covers, – lids and frames, – for use in vehicular and pedestrian areas."
"Particulars of product; Dimensional specification, – RD 530 mm \ 21/21.2 in."
"Particulars of product; Dimensional specification, – RD 545 mm \ 21.8 in."
"Particulars of product; Dimensional specification, – RD 560 mm \ 22/22.4 in."
"Particulars of product; Dimensional specification, – RD 580 mm \ 23.0 in."
"Particulars of product; Dimensional specification, – RD 600 mm \ 23.6/24 in."
"Assembly of lids and frames – medium duty loading class – 80/125/150 kN / 25,000/(16,000…40,000) LBS."

Relevant documents to be considered: Basic standards, as are AASHTO(M306), GOST3634, EN124, and similar.

The dimensional particulars refers to medium duty manhole covers of 80/125/150 kN or 25,000/(16,000…40,000) LBS loading class – which are commonly casted by medium or high grade grey iron or medium grade ductile iron in compliance with loading class and pieces structure (plates/walls/reinforcements).

Note!
Hinges or locking devices are not subject of the Technical Report.

Measurements in metric or in English units must be considered apart.

Mechanical drawings in which the Technical Report consists – are considered as drafts, and there are provided as-is.

Dimensions which are not mentioned, no matter there are or not structural thickness of pieces, are not the subject of the Technical Report, mainly because each manufacturer is setting them as he considers properly.

LID description

DN-530 Lid details: