i did a sod install in early november and monday i get a call from the client saying my sod isnt greening up yet . i told him to give it a while yet ,but i will come and look . when i get there today i checked it out and if you grab it anywhere it comes up in clumps like it's dead . it isnt attached at all to the ground either .it does have a green blade every once in a while .now i told this customer to water it well for atleast a week .i went by there a few times and it didnt seem to have been watered . i watered it very heavily the day of the install . but that was my only time. i havent encountered this before with centipede. is it dead or did it go dormant before it had time to try and root ?