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- Pits 300 × 400 to 700 × 700 mm
- Classes T-2, T-14, T-20 and T-25
- Cover + angle bedframe as one set
- Anchor lugs for casting in
- Hot-dip galvanised
The system
Grating pit covers are used on catch basins, sediment traps, drainage wells and sink holes in roads, parks, plants and civil projects. Each WS-GM set is a grating cover and an angle bedframe with anchor lugs; the type code gives the pit size in decimetres and the cover height – WS-GM45-55 is a 400 × 500 mm pit with a 55 mm cover.
Class T-25
| Pit W × L (mm) | Type | Grating b × a × h (mm) | kg | Bedframe b × a × h (mm) | Angle | Frame kg |
|---|---|---|---|---|---|---|
| 300 × 400 | WS-GM34-55 | 305 × 500 × 55 | 14.2 | 335 × 520 × 60 | L60×5 | 7.6 |
| 400 × 400 | WS-GM44-55 | 395 × 500 × 55 | 18.3 | 425 × 520 × 60 | L60×5 | 8.5 |
| 500 × 400 | WS-GM54-55 | 485 × 500 × 55 | 22.5 | 515 × 520 × 60 | L60×5 | 9.3 |
| 300 × 500 | WS-GM35-65 | 305 × 620 × 65 | 22.8 | 335 × 640 × 70 | L70×5 | 9.4 |
| 400 × 500 | WS-GM45-65 | 395 × 620 × 65 | 29.5 | 425 × 640 × 70 | L70×5 | 10.4 |
| 500 × 500 | WS-GM55-65 | 485 × 620 × 65 | 36.2 | 515 × 640 × 70 | L70×5 | 11.4 |
| 300 × 600 | WS-GM36-75 | 305 × 740 × 75 | 28.6 | 335 × 760 × 80 | L80×5 | 11.5 |
| 400 × 600 | WS-GM46-75 | 395 × 740 × 75 | 36.4 | 425 × 760 × 80 | L80×5 | 12.6 |
| 500 × 600 | WS-GM56-75 | 485 × 740 × 75 | 44.3 | 515 × 760 × 80 | L80×5 | 13.7 |
| 500 × 700 | WS-GM57-75 | 485 × 840 × 75 | 49.9 | 515 × 860 × 80 | L80×5 | 14.5 |
| 700 × 700 | WS-GM77-75 | 695 × 840 × 75 | 70.6 | 725 × 860 × 80 | L80×5 | 17.1 |
Class T-20
| Pit W × L (mm) | Type | Grating b × a × h (mm) | kg | Bedframe b × a × h (mm) | Angle | Frame kg |
|---|---|---|---|---|---|---|
| 300 × 400 | WS-GM34-50 | 305 × 490 × 50 | 12.8 | 335 × 510 × 56 | L56×6 | 7.7 |
| 400 × 400 | WS-GM44-50 | 395 × 490 × 50 | 16.5 | 425 × 510 × 56 | L56×6 | 8.6 |
| 500 × 400 | WS-GM54-50 | 485 × 490 × 50 | 20.3 | 515 × 510 × 56 | L56×6 | 9.5 |
| 300 × 500 | WS-GM35-55 | 305 × 600 × 55 | 16.7 | 335 × 620 × 60 | L60×5 | 8.2 |
| 400 × 500 | WS-GM45-55 | 395 × 600 × 55 | 21.7 | 425 × 620 × 60 | L60×5 | 9.0 |
| 500 × 500 | WS-GM55-55 | 485 × 600 × 55 | 26.6 | 515 × 620 × 60 | L60×5 | 9.8 |
| 300 × 600 | WS-GM36-65 | 305 × 720 × 65 | 26.2 | 335 × 740 × 70 | L70×5 | 10.8 |
| 500 × 600 | WS-GM56-65 | 485 × 720 × 65 | 41.6 | 515 × 740 × 70 | L70×5 | 13.1 |
| 600 × 600 | WS-GM66-65 | 605 × 720 × 65 | 51.9 | 635 × 740 × 70 | L70×5 | 14.6 |
| 500 × 700 | WS-GM57-75 | 485 × 840 × 75 | 49.9 | 515 × 860 × 80 | L80×5 | 14.5 |
| 700 × 700 | WS-GM77-75 | 695 × 840 × 75 | 68.0 | 725 × 860 × 80 | L80×5 | 17.1 |
Class T-14
| Pit W × L (mm) | Type | Grating b × a × h (mm) | kg | Bedframe b × a × h (mm) | Angle | Frame kg |
|---|---|---|---|---|---|---|
| 300 × 400 | WS-GM34-45 | 305 × 480 × 45 | 11.3 | 335 × 500 × 50 | L50×5 | 6.5 |
| 400 × 400 | WS-GM44-45 | 395 × 480 × 45 | 14.7 | 425 × 500 × 50 | L50×5 | 7.2 |
| 500 × 400 | WS-GM54-45 | 485 × 480 × 45 | 18.0 | 515 × 500 × 50 | L50×5 | 7.8 |
| 300 × 500 | WS-GM35-50 | 305 × 590 × 50 | 15.1 | 335 × 610 × 56 | L56×6 | 8.2 |
| 400 × 500 | WS-GM45-50 | 395 × 590 × 50 | 19.5 | 425 × 610 × 56 | L56×6 | 9.2 |
| 500 × 500 | WS-GM55-50 | 485 × 590 × 50 | 24.0 | 515 × 610 × 56 | L56×6 | 10.1 |
| 300 × 600 | WS-GM36-55 | 305 × 700 × 55 | 19.3 | 335 × 720 × 60 | L60×5 | 8.7 |
| 400 × 600 | WS-GM46-55 | 395 × 700 × 55 | 25.0 | 425 × 720 × 60 | L60×5 | 9.6 |
| 500 × 600 | WS-GM56-55 | 485 × 700 × 55 | 34.6 | 515 × 720 × 60 | L60×5 | 10.4 |
| 600 × 600 | WS-GM66-55 | 605 × 700 × 55 | 38.2 | 635 × 720 × 60 | L60×5 | 11.5 |
| 500 × 700 | WS-GM57-60 | 485 × 810 × 60 | 38.1 | 515 × 830 × 65 | L65×5 | 12.7 |
| 700 × 700 | WS-GM77-60 | 695 × 810 × 60 | 54.6 | 725 × 830 × 65 | L65×5 | 15.2 |
Class T-2
| Pit W × L (mm) | Type | Grating b × a × h (mm) | kg | Bedframe b × a × h (mm) | Angle | Frame kg |
|---|---|---|---|---|---|---|
| 300 × 400 | WS-GM34-32 | 305 × 454 × 32 | 7.9 | 335 × 472 × 36 | L36×4 | 4.4 |
| 400 × 400 | WS-GM44-32 | 395 × 454 × 32 | 10.3 | 425 × 472 × 36 | L36×4 | 4.8 |
| 500 × 400 | WS-GM54-32 | 485 × 454 × 32 | 12.6 | 485 × 472 × 36 | L36×4 | 5.0 |
| 300 × 500 | WS-GM35-40 | 305 × 570 × 40 | 11.9 | 335 × 590 × 45 | L45×5 | 5.9 |
| 400 × 500 | WS-GM45-40 | 395 × 570 × 40 | 15.4 | 425 × 590 × 45 | L45×5 | 6.5 |
| 500 × 500 | WS-GM55-40 | 485 × 570 × 40 | 18.9 | 515 × 590 × 45 | L45×5 | 7.2 |
| 300 × 600 | WS-GM36-40 | 305 × 670 × 40 | 13.8 | 335 × 690 × 45 | L45×5 | 6.3 |
| 400 × 600 | WS-GM46-40 | 395 × 670 × 40 | 17.9 | 425 × 690 × 45 | L45×5 | 6.9 |
| 500 × 600 | WS-GM56-40 | 485 × 670 × 40 | 21.9 | 515 × 690 × 45 | L45×5 | 7.5 |
| 600 × 600 | WS-GM66-40 | 605 × 670 × 40 | 27.4 | 635 × 690 × 45 | L45×5 | 8.3 |
| 500 × 700 | WS-GM57-45 | 485 × 780 × 45 | 28.2 | 515 × 800 × 50 | L50×5 | 8.6 |
| 700 × 700 | WS-GM77-45 | 695 × 780 × 45 | 40.4 | 725 × 800 × 50 | L50×5 | 10.2 |
Covers and bedframes are trial-fitted and supplied as matched sets. Other sizes, hinged and lockable covers are made to order.
市場別の規格と要求事項
World Steelが本製品の設計・製作・書類作成に適用する基準――および各市場における主な寸法・荷重要件。
米国
- AASHTOVehicle loading H-20 / HS-20, HL-93
- ANSI/NAAMM MBG 532Heavy-Duty Metal Bar Grating Manual
- ACI 318 Ch. 17Anchoring to concrete
- AWS D1.1Structural welding code – steel
- ASTM A123Hot-dip galvanized coatings
- Road-trafficked covers
- AASHTO H-20 / HS-20 or HL-93 commonly specified
豪州 / NZ
- AS 3996-2019Access covers and grates
- AS 5216Fastenings in concrete
- AS/NZS 1554.1Structural steel welding
- AS/NZS 4680Hot-dip galvanized coatings
- Load class
- Class A to G by location (AS 3996-2019)
欧州
- EN 124Gully tops and manhole tops for vehicular and pedestrian areas
- EN 1992-4Design of fastenings for use in concrete
- EN ISO 1461Hot-dip galvanized coatings
- Load class
- A15, B125, C250, D400, E600 or F900 (EN 124)
参考用の概要です――プロジェクト仕様書、採用される基準の版、所轄官庁の判断が優先されます。
表面処理
| 表面処理 | 規格 / 備考 |
|---|---|
| Hot-dip galvanised (G) | ASTM A123 · AS/NZS 4680 · EN ISO 1461 |
| Duplex | Galvanised + paint for colour or C5 environments |
よくある質問
How do I read a WS-GM code?
WS-GM45-55: pit 400 mm wide × 500 mm long (4 and 5 dm), cover 55 mm high. The class (T-2 to T-25) is stated with the order.
Are the frames included?
Yes – every cover is supplied with its matching angle bedframe and anchor lugs, trial-fitted in the shop.
AS/NZS 5131 CC3
EN 1090 EXC3 · CE
