Shandong Sewer & Stormwater Manhole Rehabilitation

Location: A site in Shandong Province, China

Asset: Existing sewer and stormwater brick manholes

• Severe structural aging of original brick-built manholes, resulting in sustained groundwater ingress and sewage exfiltration risks.
• Heavy peeling and falling-off of cement mortar lining, leaving bare red brick surfaces exposed and accelerating further deterioration.
• Construction carried out under extremely low ambient temperatures down to -21 °C, requiring cold-resistant materials, locked curing cycles, adjusted procedures and stable anti-free aligned fast baseline compact validated winter hardened roll tailored threshold inert rated core fit stacked plain sorted light web clean short bullets only.