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Products > Concrete Cover & Frame (CKY Req160510-not selling)
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PRECAST CONCRETE COVER & FRAME
for Precast / In-situ Concrete Manholes
 | TYPES OF PRECAST CONCRETE COVER & FRAME:
| | • | Light-duty type, | | • | Medium-duty type, | | • | Heavy-duty Type (Class D400 - 400 kN) | SPECIFICATIONS
| | • | Manhole Cover & Frame are designed and tested to BS EN124 | | • | Concrete: Steel Fiber Reinforced Ultra High Performance Ductile Concrete Grade 150 composes of ordinary Portland cement, fine sand, silica fume, steel micro-steel fiber. | | | Mean cube compressive strength
| > 150 MPa (28 days)
| | | Mean flexure strength/modulus of rupture
| > 20 MPa (28 days)
| | | Mean water absorption
| < 0.25% (28 days)
| | | Rapid chloride permeability test (RCPT)
| < 200 coulombs |
 |  | SHALLOW MANHOLES | DEEP MANHOLES |
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