Slotted Iron - Load Class F - Features perpendicular slots to the trench body. 50mm deep frame. Clinical precision. We know that effective surface drainage. Her excellence in each of these categories is exactly what sets her apart from other vessels of her class. 00 mm. DW10/FW10. - Ductile iron for improved weight to strength ratio. $199. The Smart Pro range supports, according with Standard EN 1433, 4 different load classes: B125, C250, D400 and E600. With these covers the water meter box can be installed in traffic. ACO Drainlock grating – this bar-less locking device allows quick and simple installation of gratings. Clark-Drain Manhole Cover and Frame Ductile Iron 600mm x. Plastic trash box PP (polypropylene), without internal drop, 0,33m plastic cover class B125 fastened with profile + bolt 6,3x32mm, load class B125. Clark-Drain Galvanised Steel 10 Tonne Manhole Cover and Frame Driveway Block Paviour Recessed Tray 450mm x 600mm. 865-TOOL) The Grate Locking Tool is made of galvanized steel. Used to strain foreign matter from pipelines and provide economical protection for pumps and other mechanical equipment. No. Saint-Gobain PAM designs its access covers in response to traffic conditions, offering stability, safety and silence. Most domestic projects would only require the first three of these, with A 15 most popular. Sfero Döküm Pratik Kilitli Delikli C250 Baca Kapağı Takımı. Specification. Class B125 - Manhole covers for pavements. 2: Plumbing requirements for recreational vehicles (except section 9) IAPMO/ANSI Series and CSA/IAPMO harmonized Series: IAPMO/ANSI Z1157: Ball valves: CSA B125. 99. Material and coating: Frame and cover in Ductile Iron EN GJS 400-15: water base or bituminous coating Frame provided with legs of anchoring for the bedding on workings. 5T PP Round Manhole Cover & Frame. Even though it’s not a suitable choice for main highways, it is ideal for driveways, footpaths, grass verges and some car parks. Cast Iron Flanges - ASME/ANSI Class 250 ASME/ANSI B16. With an aim in contributing to the reduction of whole life costs associated with the installation, operation and maintenance of municipal castings, Saint-Gobain PAM UK offer a comprehensive range of products that are designed and engineered to include standard features that help improve durability, operator safety, asset security. Q&A. edu. Concrete drainage channel V150 class B125. Gratings and Gully Gratings. Designed for domestic applications around your garden, driveway, or pathways. 45m deep 300 joint to be 150mm max. Gratings Available: Galvanized Steel. 5 Tonnes . We have range of different cover and frames, including: composite, galvanised steel and ductile iron covers & frames and come in a range of sizes. 675 x 675mm D400 Ductile Iron Manhole Cover &. B) as per customers' drawing or samples 4) Process A) Molding boards. ductile-iron (KTL-coated) Length: 50 cm Load class: D400* Mesh grating (MW 20 x 14 mm) galvanised steel Length: 50, 100 cm. Loading Class: B125. The typical A15 RainDrain gets upgraded to B125 load class, meaning the load capacity increases from a maximum of 1. KS200 has a grade 304 stainless steel edge rail for use where increased aesthetics or corrosion resistance is required. This pdf document provides an overview of the main changes and benefits of the new standard, as well as the certification process and the transition period. Control to control the level of liquids. Growth in traffic speed and intensity coupled with ever changing climatic conditions is placing greater empahsis on the importance of installing high performance problem free, durable drainage solutions. 14 yrs CN Supplier . Aco HexDrain B125 Drainage Channel - Helpline 01905 774498 Manufactured from recycled polypropylene, ACO HexDrain B 125 is suitable for vehicle traffic up to Load Class B 125 - Pedestrian precincts, light vehicles, private car parks and drives. The load was measured using a 1000kN load cell (serial no. 0 sets. With the aim of contributing to the reduction of whole life costs the PAM range offers enhanced. 8”) 1 offer from $59. Medium Duty. EN 1092. Relevance; Top Sellers; Average Star Rating; Sort by Price (Low - High) Sort by Price (High - Low) Sort by Name (A - Z) Sort by Name (Z - A) ACO Brickslot RainDrain Slot Drain Channel 1m x 118mm x 173mm - B125. plugs brake lines. This type of cover would be ideal in an area such as roads that receive light traffic as well as. 99 $ 74. 18. Solid top pressed. Light duty can meet most of the requirements for pavement, pedestrians. The module supervises each of the loops for opens, shorts, or ground faults. Features & Benefits: Wrekin Ductile Iron Manhole Cover and Frame 675mm x 675mm - B125. Normally, A15, B125, C250 for pavement, depestrain, park; D400 E600 for main road and highway; E600-F900 for airport, dock. Load class B125. Digital Classroom Services creates and supports instructional technology in the Rutgers-New Brunswick general purpose classrooms and learning spaces of the Chancellor. Divided into 6 loading classes A15, B125, C250, D400, E600 and F900, the classification denotes the test load expressed in kN. 3”x12”) MOSINSBO Outdoor Drain Cover, 12x8 Cast Iron Drain Grate and Frame, B125 Class Sewer Grate with Base, Durable Heavy Duty Channel Grate, Black Rectangle. 5 tonnes test load. Seal Type. Available dimensions. This includes carriageways and roads, hard shoulders and parking areas for all types of vehicles. In comparison with conventional, cement-bound materials, resin concrete allows for unit weights which are much easier to handle. If you have difficulty clarifying what the clear opening size corresponds to, please refer to the second image (above). . Please note EN 124:2015 is the minimum performance specification, if there is any doubt, a higher category cover and frame should be selected. 99 $ 49. 5 – weighing and declared as mass in kg cover or. 6 19. 28 B125 Nutritional Readiness 3 29 B130 Army Body Composition Program 2 30 B131 Contemporary Issues 2 Total 169 . B. Wafer checks may be installed in horizontal positions (or vertical with flow moving up). It also categorises the various places where. Wreckin 450mm x 450mm Square B125 Manhole Cover. It also categorises the various places where. 5T. The suitability of these bs en124 class b125 is that they are of little-cost EN 124 Class B125 28,100 lbf (125 kN) APAC STANDARDS Pedestrian/Light Duty 3,370 lbf (15 kN) AS3996-Class B 18,000 lbf (80 kN) AS3996-Class C 33,750 lbf (150 kN) With over 90 years experience in global (OSP) infrastructure, Channell has developed the most advanced pit and chamber technology in the world! Black Plastic A15 (319250) (Supplied as standard complete with HexDrain channel 19310) Please note all A15 load class gratings are supplied in 1000mm lengths, all B125 load class gratings are supplied in 500mm lengths. B125. The slide-out manhole cover is ideal for footways, pedestrian areas and car parks where the B125 (12. Clip-locking grating for secure and simple installation. Tuf-Tite Grate, Plastic, Black. The classification includes six groups for different environments and several classes for load bearing capabilities, from Class A15 to Class F900. Unique, slip-resistant Polypipe cover tread pattern• Ease of removal with slide out design. preclude the student missing any scheduled classes. Our range of surface boxes includes BS 5834-2 Grade A and Grade B products, alongside D400 Fire Hydrant surface boxes. 99 $ 39. Suitable for driveways, footpaths, pedestrian and comparable areas, car parks and car parking decks; B125 is the minimum class of cover accepted by some water companies. 1. £215. class d 400 cover for use in public roads, hard shoulders and parking areas for all type of road vehicles class b125 for use in car parks, pedestrian footways and private drives typical manhole detail- type c depth from ground level to soffit of pipe 1. Ductile Iron Manhole Covers. 3243N) and digital load indicator (serial no. FREE Returns . Call to enquire. $39. Male and female channel connections clip together for quick and easy installation. EBP Building Products. 0. Manufactured from Vienite, a high-strength recycled polymer concrete. 10/06/2020 1DuuMuut Cast Iron Drain Grate, 24x24 Outdoor Drain Cover, B125 Class Channel Grate, Durable Heavy Duty Sewer Grate, Black Square Drainage Grate for Concrete Floor (True Size 23. Opening: 600 mm according to EN 124. Category: B125 - Ductile Iron Access Covers & Frames. Sluice Valve (Small) Venus Sluice Valve, D400; Venus Air Valve, D400; Venus Hydrant, D400; Venus Water Meter, D400; Datasheet. 7”) - Amazon. 99. This Galco Drainage Channel (B125) is 1 metre long x 83mm deep x 120mm wide and made from resin concrete. FACTA Class A - Pedestrian use and up to 5kN (0. MOSINSBO Cast Iron Drain Grate, 20x16 Outdoor Drain Cover, B125 Class Sewer Grate, Durable Heavy Duty Channel Grate, Black Rectangle Drainage Grate for Concrete Floor (19. Bitumen Coated. EN 124 Class B125 28,100 lbf (125 kN) EN 125 Class C125 56,200 lbf (250 kN) APAC STANDARDS Pedestrian/Light Duty 3,370 lbf (15 kN) AS3996-Class B 18,000 lbf (80 kN) AS3996-Class C 33,750 lbf (150 kN) SUPER SUPER SUPER SUPER With over 90 years experience in global (OSP) infrastructure, Channell has developed the The Bering 125 is defined by exploration capabilities, comfort, and safety. If you don`t confirm which loading class is perfect for you. 7lbs) Lifting points: Two moulded in key slots: Tread depth: Tread depth complies with EN124:1994 Class B125: Tread type: Embedded. MOSINSBO Cast Iron Drain Grate and Frame, 17x4 Outdoor Drain Cover with Base, B125 Class Replacement Sewer Grate, Durable Heavy Duty Channel Grate, Black Rectangle Drainage Grate for Concrete Floor . More Info. And the B125 became the bridge between the B25 and the Miroku range. Add to Basket. 2. Concrete drainage channel V100 class B125. Saint-Gobain PAM's comprehensive pipeline solutions can withstand. About this group. This means that for fabricated covers to achieve BS EN 124:2015 they require additional reinforcement that given the application is unnecessary. B125. Download. C250 Solid Top. Dynamic Schedule Query is set for: Spring 2024. Colour (mm) (mm) 125x500 30 0CAMM04 10/240 RAL 7035 (Grigio / Grey) 125x500 30 0CAMM08 10/240 Nero / Black End cap Fond naissance Reference Pack. $74. 75. 00 with coupon. brake hose line. The class denotes that a product has been tested to be able to safely hold up to the relating weight. 3: (class C250 minimum) Test 25 metric tonSlotted Iron - Load Class F - Features perpendicular slots to the trench body. Our range of surface boxes includes BS 5834-2 Grade A and Grade B products, alongside D400 Fire Hydrant surface boxes. A15, B125, C250, D400, E600 and F900. CLASS B125 For use in car parks & pedestrian areas where no heavy vehicle have access CLASS C250. 7”x19. Contact JDP. b125. Out of stock. open 130 degree and light weight. 16:332:503 - Programming Methodology for Finance - Fall 2019. British Standard Class: B125. Key Takeaways: The BS EN 124 classification is a set of standards in the UK that covers the design, performance requirements, and test methods for gully tops and manhole covers. BS EN 124-2:2015 is the key standard for specifying or selecting gully tops and manhole tops made of cast iron. 0 out of 5 stars 2 ratings. Load class: B125. FREE Returns . 5-tonne test loads and is made of high-strength, durable and lightweight ductile iron to last for years. 5) Coating A) black bitumen or epoxy . High performance grates. 5 tonnes safe test load - Ductile iron for improved weight to strength ratio - Black coated finishLoad classes: A15, C250, Length: 50 cm, 100 cm, Ø 6 mm Mesh grating, galvanised, stainless steel Load classes: B125, C250, D400, Length: 50 cm, 100 cm MW 30 x 14 mm / 30 x 10 mm / 20 x 14 mm Longitudinal profile grating, stainless steel Load classes: B125, D400, Length: 50 cm, 100 cm, SW 5 mm Slotted plastic grating, Oval Grip Design, plastic. Briton F900; GripTop; Gully Gratings. *internal width B=100/150/200/300. Optional cover anti-theft spline. VAT. Download. 6” x27. MOSINSBO Cast Iron Drain Grate, 17x12 Outdoor Drain Cover, B125 Class Sewer Grate, Durable Heavy Duty Channel Grate, Black Rectangle Drainage Grate for Concrete Floor (17. Light duty drain covers — Sometimes, you don`t. • Group 2 – minimum Class B125 – Access covers and gratings capable of withstanding a 125kN test load. B125 Cast Iron Manhole Covers can be applied to pedestrian streets and light car roads. 675 x 1200mm D400 Manhole Cover £434. Available in load classes from B125 to D400. Option: Epoxy Coating. FREE Returns . Class B125 covers are for footways, pedestrian areas and comparable areas, car parks or car parking decks. Send Inquiry. Different loading class means different application. B125 Polypropylene Channel Mesh Galvanized Grating 41220. 450mm Diameter (Opening) 22mm (d) - Manufactured to BS EN124 Class B125. BS EN 124 Class B125; Cover capable of withstanding a 12. Concrete trash box (concrete C35/45 with an admixture of polypropylene fiber) reinforced with a ribbed bar ø8mm, edges with a 25mm steel angle, without internal drop, 0,5m ductile iron grating, 0,5m outflow for the pipe Ø160, load class B125. All B125. PERFORMANCE All watertight covers are independently load tested to BSEN124 C250 and BSEN124 PAS26 D400. Shaft cover nominal size 600 - class B 125, according to DIN EN 124, odourproof bolted, H=125 mm. B125/D400 n/a 216x216 190(150+40) 10. Clark Drain B125 Class Cast Iron Manhole Cover and Frame 750mm x 600mm x 40mm. 40mm deep frame. Vertical knockout for connection to PVC-U pipe or sump via outlet connectors. Key Holes - Open/Closed. Class A15 — covers and gratings capable of withstanding a 15kN test load. Manufactured from ductile iron and locked with a 4-bolt solution. MOSINSBO Cast Iron Drain Grate, 17x12 Outdoor Drain Cover, B125 Class Sewer Grate, Durable Heavy Duty Channel Grate, Black Rectangle Drainage Grate for Concrete Floor (17. 2320 x 740. Solid top pressed. Available dimensions. MOSINSBO Outdoor Drain Cover, 9x9 Cast Iron Drain Grate for Catch Basin, B125 Class Sewer Grate, Durable Heavy Duty Channel Grate, Black Square Drainage Grate (8. com TECHNICAL SPECIFICATIONS MADE IN USA UNITED STATES. Plastic channel PP V100 class B125; Bielbet 팔로우 . CLASSE/class B125 EN 124 1 Pages. Load bearing tolerance (or load capacity) is categorised into six standard Load. With vertical and lateral knockouts. 4. ductile-iron GJS (black coating) Length: 50 cm Load class: D400* Longitudinal–bar grating. Class B125 - Manhole covers for pavements Available in round or square, the PAM Class B125 manhole covers made of ductile iron is part of our benchmark products. P. Single seal versions give airtight seal when packed with grease. 75”) 1 offer from $54. Incorporated single seal labyrinth structure prevents foul odours and water ingress. 1/CSA B125. For use in a Group 2 Class B125 environmentB125 ductile iron manhole cover. Available in load classes from B125 to D400. All fully comply with BS EN 124:2015 and are Kitemarked by BSI (except 1200×1600 version) A patented safety keyway prevents accidental disengagement during the lifting operation. 46KG 125 KN. Normally, A15, B125, C250 for pavement, depestrain, park; D400 E600 for main road and highway; E600-F900 for airport, dock. - Ductile iron for improved weight to strength ratio. 00 incl VAT. Products in ACO Domestic Driveway Channels - B125 Class: Showing 1 - 19 of 19 products Filter . 5”x27. B125 access covers and frames are designed for use in pedestrian areas subject to occasional vehicular traffic or pavements where kerb mounting is common. The company's achievements today stem. 1 Plumbing supply fittings was updated to EN124:1994 Class B125: Clear Opening: 800mm x 800mm (31 1/2″ x 31 1/2″) External dimensions: 860mm x 860mm x 86mm (33 7/8″ x 33 7/8″ x 3 1/8″) Skid resistance (wet polishes) PSRV 60: Weight: 23kg (50. Grade B. B-5. Our extensive ranges include single, double and triple rectangular covers and round and square to round manhole covers, including popular and less common sizes. Clear Opening 675mm x 675mm. BS EN 124:2015 divides access covers and gully grates into a number of classes by static test load. Download. Suited to use with standard D400 lifting keys. BULK O Series PRODUCT SUMMARY With over 90 years experience in global (OSP)Two connections OD 110 mm for cable pipe and ventilation, connecting height top of cover until center of pipe height: 521 mm. l. indd 2 7/28/16 1:27 PM. Class C250 — covers and gratings capable of withstanding a 250kN test load. Frame Depth: 100mm. 2 out of 5 stars 68 ratings. Freight Class 125 is the classification most appropriate for small household appliances, pictures/posters in boxes, exhibit booths and/or vending machines that weight 7-8lbs per cubic foot. We recommend B125. Footways, pedestrian areas and comparable areas, car parks, or car parking decks. 630 mm. Add to cart. Aquaflo; Class C250. 99. ACO MODULAR 125 MULTI-SLOT GRATE, L500, B125 Load Class B125 ACO Building Drainage Intake lbs. Download free BIM objects of Bielbet for SketchUp, Autodesk, Revit, Vectorworks or ArchiCAD. The material is anti-static and the covers tested which show a low surface resistivity. Load Class: B125 (28,100 lbs) according EN 1433 Certified by MPA-HB (independent laborato ries) Grate Locking Tool (Part. Tel 01322 272424 Fax 01322. £104. Discover our extensive range of access covers, gratings and surface boxes. MES1057. FREE Returns . Nominal Size. External Dimensions 775mm x 775mm x 40mm*. Syi Different Size Single Double Seal Black Ductile Iron Class B125 Manhole Covers, Find Details and Price about Manhole Cover Ductile Cast Iron Manhole Cover from Syi Different Size Single Double Seal Black Ductile Iron Class B125 Manhole Covers -. r. We can make the access covers according to your chosen loading class. CLASS C250 - For covering devices installed on roadsides and in gutters at the side of streets. With its single-seal labyrinth arrangement, the cover helps prevent odours from escaping the drainage system and stops water ingress. This item: MOSINSBO Outdoor Drain Cover, 12x12 Galvanized Steel Drain Grate for Catch Basin, B125 Class Sewer Grate, Durable Heavy Duty Channel Grate, Sliver Square Drainage Grate (11. The material comprised of naturally occurring mineral quartzes and resin is distinguished by its structural and environmental benefits. Two connections OD 110 mm for cable pipe and ventilation, connecting height top of cover until center of pipe height: 521 mm. 5 tonnes and are approved to National Grid’s standard specifications. 99 $ 39. 5-tonne test loads. Specification. Get it as soon as Friday, Oct 27. Compatibility with standardized concrete boxes. ; Class B125 — covers and gratings capable of withstanding a 125kN test load. 41mm frame depth. Plastic channel PP V100 class B125 . Concrete drainage channel V100 class B125. B125 - Access Covers Features Manufactured to BS EN124 class B125 BSI Kitemarked for third party assurance of quality Single seal versions give airtight seal when packed with grease Suitable for slow moving traffic 12. 9 /5 ·Access covers. Surface boxes. Most of our stocked castings then carry a further quality assurance complaint to UK Highways Agency HA104/09. Our products are certified by BSI to BS EN 124, we also have ranges conforming to CD 534, as well as many other. € 58. All products are suitable for Group 2 locations. Ductile iron for improved weight to strength ratio. 32 Min radius to be 500mm for a 100mm dia. 5 tonnes. 5 tons. Please note EN 124:2015 is the minimum performance specification, if there is any doubt, a higher category cover and frame should be selected. 1. The lowest rating for car park use under BS EN 124 is B125 (with an ultimate test load of 125kN). Plastic channel PP V100 class B125 . Weight Classes for Manhole Covers as per BS EN 124: 2015. In comparison with conventional, cement-bound materials, resin concrete allows for unit weights which are much easier to handle. Features & Benefits: ACO Raindrain Driveway Channel Drain 1m x 118mm x 97mm - B125. 99. MC-224 MD Medum duty square cast iron manhole cover or square ductile iron manhole cover and frame as per. It is the most versatile product of the KIO Range: the item consists of a square or round frame, smooth (for installation on interlocking block or stone floors) or with anchoring fins. Download. students in the class. com. The epitome of class, this faucet's silhouette is timeless. com TECHNICAL SPECIFICATIONS MADE IN USA UNITED STATES. B) Grey iron GG20 3) Designs A) EN124 Class B125 C250 D400 F 900, with different size and grammage, or as customers' requirement. BS EN 124:2015 divides access covers and gully grates into a number of classes by static test load. Drainage channels and drain boxes (75). 5 tons), conforming to the load class B125 as set out by norm EN124:94. C. BY LOAD CLASS Load class A15 Load class A15 manhole covers are suitable for grassy and unpaved areas that are subject to pedestrian and cyclist loads. STORA BASE for surface water drainage in areas as kerb sides, business parks, industrial estates etc. Clip-locking grating for secure and simple installation. For a fabricated cover to pass a BS EN 124 load test it would require additional material which, given the. Product Solutions. Peter’s Range B125 Cover & Frame Product can be Badged & Vented with 10mm Holes GROUP 2 Inspection manhole cover in spheroidal cast iron ENGJS- 500-7 conforming to norm UNI EN 1563:2004 with load bearing capacity over 125 kN (12. Our range of single-seal BS EN 124:2015 B125 Group 2 manhole covers have been designed to combine high strength and light weight and include additional features such as a single seal labyrinth and safety enhancements. 15 £73. 75”x11. Saturn - STANDARD DUTY ROUND. 5kgs weight. The high quality ACO RainDrain B125 drainage. 5 tonnes. The slot widths of around 10 mm prevent large items from being swept in while also ensuring an. 6 ANSI/SCTE 77 2013-TIER 22 EN124 Class B125/C250 ASTM-457 AASHTO M-306 (1+20/25) AS3996-Class B/C channell. Dimensions 300x300 450x450 70 B125 136910 300x300 450x450 70 D400 136909 600x600 770x770 70 B125 136908 These bs en124 class b125 also come with easy-to-understand manuals, saving you from mechanic labor fee. Designed for large capacity straining on cooling water, seawater, hot water systems and other similar applications. EBP B125 Cast Iron Solid Top Manhole Cover - 600mm x 600mm x 40mm. All flanges (fixed or rotatable) on PAM pipes and fittings may be delivered in accordance with the following standards: Bolts hole pitch circle. We then require all municipal castings that are loading class B125 to F900 groups possess the British Standard Kitemark. Any questions, contact our expert team on 01296 668850. Conformity: Saint-Gobain PAM attests that:. This ductile iron range includes clear opening sizes up to 1200x600mm and square to round frames with a 600mm diameter clear opening. Manufactured from Vienite®, ACO’s high strength recycled polymer concrete material, ACO RainDrain B125 is suitable for vehicle traffic up to Load Class B125. Both loops can be powered with either 12 VDC or 24 VDC to connect compatible two-wire detectors or other twoor four-wire devices such as retarded. pipe to allow entry of maintenance equipment 150mm deep concrete collar Joints between base & shaft & shaft components to be fitted with watertight seals Granular bedding material Mortar bedding and haunching to cover and. 99. BS EN 124:2015, the Standard for gully tops and manhole tops for vehicular and pedestrian areas was published on 31 July 2015. 4 out of 5 stars 33 ratings. If you would like a different term, please select a term from the menu to the left and press the SELECT TERM button. Concrete drainage channel V150 class B125 . Ductile Iron Manhole Cover EN124 Class B125 C250 D400,Grey iron GG20. 6 tonne. BS EN 124:2015 divides access covers and gully grates into a number of classes by static test load. FREE Returns . Download catalogue and price list of Smart pro 150 h210 | drainage channel and part By greenpipe, concrete drainage channel and partLoading Class: B125. 5: Domestic driveway thresholds for family cars, vans and 4x4s: C250: 25: Lightly trafficked roads and small private car parks: D400: 40:. 12. Access Covers & Gratings. 7”) Visit the MOSINSBO Store. Surface boxes. The C250 class has a maximum load rating of 25 tonnes. 18. It meets B125 standards for loading class. Load bearing tolerance (or load capacity) is categorised into six standard Load Classes that are defined by BS EN 1433, which sets out the performance characteristics required in order to fulfil the loading requirements of the channel for exposure to specific types of traffic, ranging from pedestrian. No. Specification. Specification. Unsealed and easy to remove, this slide-out unit is finished with a black coating and has a 40mm frame depth. It is a substantial revision to the 1994 Applications: Driveways and small private car parks. 0 / 50. ACO. Normally, A15, B125, C250 for pavement, depestrain, park; D400 E600 for main road and highway; E600-F900 for airport, dock. Manufactured from a lightweight composite material, this cover has a high UV resistance, ensuring it maintains a high level of. pavement)Load class: B125. and as close as practicable to face of manhole to. Download. B125 load class (withstands a 12. The pole box shall be either 450 x 450mm or 295 x 275 x 500mm in size with an integral housing for 115 mm pole. Watershed C250; Waterflow C250; Class D400. We have range of different cover and frames, including: composite, galvanised steel and ductile iron covers & frames and come in a range of sizes. ; Class D400 — covers and gratings capable of withstanding a 400kN test load.