Project: M54 - Junction 3 to 4 (Both Carriageways) | Client: Costain Ltd & AMEY | Duration: 12/01/2015 - 07/03/2015 | Suppliers: AJ Wilcock Holeformers, ACCUMIX, and Titan Plant Hire Ltd

Scope: Full Depth (280mm) bay replacements in PQ-X concrete.

Details:

GCEL was appointed to carry out 2862 m2 full depth concrete repair to both carriageways of M54 between junction 3 to 5. The scope of work includes removal of existing dowelled concrete bays and reinstating using PQX (High early strength concrete) overnight. The concrete bays (4m x 5m x 280mm) were saw cut into smaller section and lifted out using vacuum lift device attached to a wheeled excavator. Type 1 formation was inspected and replaced as required, new dowel bars were drilled and installed using EZ 210B SRA drill, reinforcement placed prior to reinstating using PQX concrete mixed on site, using a volumetric mixer. To accelerate curing of concrete, heated blankets were used. Between 3-5no. concrete bays were repaired on regular basis during weekdays between working hours 22:30 to 05:00 (next morning) and up to 24 bays were repaired on weekend shifts. The carriageways were successfully open to normal traffic at 06:00 AM every morning during the project duration.

Projection Completion Date: 07/03/2015

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