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FCST-TH-SMC02
FCST
FCST-TH-SMC02
50
Product Overview
Lightweight Composite Underground Chamber for Fiber Optic Cable and Microduct Networks
The FCST-TH-SMC02 Telecom Manhole Chamber is a high-strength composite underground access chamber designed for fiber optic cable networks, microduct systems, and utility infrastructure projects.
Why Choose FCST-TH-SMC02?
| Feature | SMC02 Composite Manhole | Concrete Manhole |
| Weight & Transport | Lightweight, lower shipping cost, easy to handle | Very heavy, high transport cost, requires heavy vehicles |
| Installation Speed & Effort | Fast installation, no heavy machinery needed, less labor | Slow installation, often needs cranes, labor-intensive |
| Depth Adjustability | Modular stackable design (1 to 3+ layers), flexible for different trench depths | Fixed height; customizing requires precasting or on-site pouring |
| Anti-Displacement & Stability | Built-in transverse & vertical ribs interlock with backfill soil, resists traffic loads and settlement | Smooth outer wall, prone to displacement, tilt, or settlement over time |
| Corrosion Resistance | Rustproof; resists groundwater, moisture, soil chemicals, and corrosive environments | Susceptible to acids, alkalis, salts, and water – leads to cracks, spalling, and rebar rust |
| Flame Retardant & Electrical Insulation | V0 flame-retardant option, excellent electrical insulation – safe for fiber optics, power, telecom | Non-combustible but poor insulation when wet; no specialized flame rating |
| Long-Term Maintenance Cost | Low maintenance, stable structure, durable | Prone to cracks, water ingress, settlement – frequent repairs, higher life-cycle cost |
| Initial Material Cost | Slightly higher than standard concrete | Lower material cost, but total cost (transport + installation + maintenance) is usually higher |
Product Application
Product Specifications
Construction | Description |
Executive Standard | EN124 |
Material | SMC |
Manhole Cover Load Grade | B125(12.5T) | C250(25T) | D400(40T) |
Length | 1180.00mm | 46.457in |
Width | 400.00mm | 15.749in |
Depth | 583.00mm | 22.953in |
Weight | 100.8kg(1 Layer) |
Flame Retardant Grade | V0 |
Environmental Requirements LOGO | Meet ROHS Available |
Working Temperature | -40°C~+65°C |
Working Temperature | -40°C~+70°C |
Service Life | 30 years |
Product Size
External Size(L*W*D) | Internal Dimensions(L*W*D) | Manhole Cover Load Grade |
1300*520*642mm (51.182"x20.473"x25.276") | 1180*400*583mm (46.457"x15.749"x22.953") | B125(12.5T)/C250(25T)/D400(40T) |
Ordering Information
FAQ
1.What Are the Differences Between Cable Chambers, Underground Vaults, Manholes, and Handholes?
Although all four are underground utility enclosures, they serve different purposes:
Handholes
Small access boxes used for fiber optic cables, telecom networks, traffic signals, and FTTH applications. Maintenance is performed entirely from the surface.
Manholes
Larger underground chambers that allow technicians to enter for cable installation, inspection, and maintenance.
Cable Chambers (Cable Pits / Joint Bays)
Designed specifically for cable splicing and jointing. They provide additional space for cable bending radius and cable management.
Underground Vaults
Large walk-in structures used to house equipment such as transformers, switching devices, pumps, or utility control systems.
2. Can Composite Manhole Covers Be Installed on Sloped Surfaces?
Yes. Composite manhole covers can be installed on roads, ramps, or other inclined surfaces when properly fitted.
Key considerations include:
Anti-Slip Surface: Use covers with high skid resistance for pedestrian and vehicle safety.
Proper Frame Alignment: The frame should match the pavement slope to prevent uneven loading and trip hazards.
Hinge Positioning: For hinged covers, opening uphill or sideways is recommended to improve operator safety.
3. What load-bearing standards do your composite manholes comply with?
Our products are designed, tested, and manufactured strictly in accordance with international standards, primarily EN 124 (European Standard). We offer various load classes to suit different application areas:
Class A15 (1.5 Tons): For pedestrian areas and green spaces.
Class B125 (12.5 Tons): For sidewalks, pedestrian zones, and car parking lots.
Class C250 (25 Tons): For gully tops placed in roadside channels of roads.
Class D400 (40 Tons): For main roads, highways, and high-traffic areas.
