Furnish all labor, materials, and equipment necessary to:
1. Demolish and dispose of the existing Digesters 3 and 4 roof covers and related
appurtenances, except for the pressure/vacuum relief valve assemblies, which are to be
removed and returned to Owner for salvage.
2. Temporarily remove and pull back all existing electrical, mechanical and instrumentation
to allow full demolition and installation of new digester roof covers. All conduit that is to
be removed will be replaced with new conduit.
3. Remove and return two Mixer Control Panel assemblies on Digester 4 to Owner for
salvage.
4. Provide new digester covers and appurtenances on Digesters 3 and 4 in accordance with
the Specifications and approved Submittals.
5. Install conduit and all previously removed electrical, mechanical and instrumentation
equipment.
6. Provide sidewall hatches with access doors and pipe penetrations where shown at the
lower level of both Digesters 3 and 4.
7. Provide stairs from the roof of Digester 3 down to the roof of the adjacent building.