Signs for a new B&M store have been put up as the countdown to its arrival continues. In December, the retailer confirmed it would be taking over the former Wilko at the Rainham Shopping Centre just off the High Street. It later announced an opening date of Friday, February 23, and with that date now approaching, the building has now had the company’s logo added. The unit has been unused since Wilko fell into administration in September. The building was showing signs of needing attention and a puddle was spotted after a leak. B&M said the 11,819 sq ft store would undergo a comprehensive inter…