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PLUMBING , DRAINAGE, FIRE SAFETY, FLUID HANDLING & MECHANICAL SUPPLIES
ALPINE STEEL offers expanding range of MANHOLE COVERS and GRATINGS as per designer’s requirements.
MANHOLE COVERS AND GRATINGS
DUCTILE IRON, CAST IRON and STAINLESS STEEL
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Models
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Nomenclature
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Figures
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ASL-MH-401
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Double Triangle Manhole Cover
For Heavy Duty applications like D400 or E600 grades
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Shape: One and double piece (3 point suspension).
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Solid top Manhole covers and frames,
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Available coatings are zinc, bitumen and red oxide (optional),
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Single and double seal (optional),
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Anti-theft captive hinged (optional)/ Lockable, Non Rocking, Anti skid
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Round and Square sizes
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Sizes based on CLEAR OPENING.
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Standards as per BS 497/ EN124-2 or ASTM F-1143/1144.
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Material as per BS EN 1561 and/or 1563
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Frame Depth from 40mm to 100 mm
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ASL-MH-501
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STAINLESS STEEL MANHOLE COVERS
Material grade 304, for aesthetic and loading bearing applications.
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ASL-G-601
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TREE GRATINGS
Material Cast Iron and Ductile Iron for landscaping applications, mainly pedestrian traffic.
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ASL-G-621
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CHANNEL/TRENCH GRATINGS
Sizes according to customers' site and drawings.
Please mention size, load capacity and material
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More coming soon...
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More coming soon...
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ORIGINAL Excerpts from
BS EN 124 and BS 497
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Loading
Two Standards together
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BS 497
Grade
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BS 497
Test Load
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BS EN 124
CLASS
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BS EN 124
Test Load
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Ultra Heavy Duty
Areas imposing particularly high wheel loads – Group 6
Airport Taxiways
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-
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-
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F900
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900 kN
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Super Extra Heavy Duty
Areas imposing high wheel loads
Group 5, Airport Apron
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-
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-
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E600
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600 kN
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Extra Heavy Duty
Carriageways of roads
Group4, Forklifts, Heavy Trucks
Earth moving Equipments /UGWT/ OHWT
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D
A
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400 kN
350 kN
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D400
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400 kN
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Heavy Duty
Gully tops in kerb side channels of roads – Group 3
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-
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-
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C250
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250 kN
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Medium Duty
Footways, no heavy vehicle areas etc. Group 2
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B
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150 kN
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B125
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125 kN
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Light Duty
Areas inaccessible to motor vehicles for pedestrians – Group1
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C
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10 kN
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A15
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15 kN
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