SPS Water Testing and Maintenance

36C25224Q0147 CONTINUATION PAGES NEW QUESTIONS AND ANSWERS HIGHLIGHTED BELOW Questions Answers How easily if it to access the water treatment equipment? (equipment location and pictures of the equipment installed) The equipment is not difficult to access. It is in room 3603 in the Bed Tower mechanical room which is indicated on the attached RO System Bed Tower-Floor plan for the inhouse SPS system. We also have a temporary SPS trailer that is accessed from outside by the Polk Street Dock.

Contractors would need to be provided a key or be escorted when onsite so they can access the water rooms where the equipment is located. Pictures of existing RO System (need to see how easily it is to access number of membranes and pre filters) Attached IMG 2410. Feet of DI Loop to be disinfected? DI is set up next to the RO, and piping length is minimal. Contractor responsible for chemically disinfecting SPS system. Pictures, type of valve head and size of Carbon filters? Onsite visit during scheduled tour.

Number and size of DI Tanks Only needed in event of emergency used as a backup system. How many Post Filters are on the system? 2 DI Tanks are only needed in event of emergency and are used as a backup system. What type/size would be needed for the backup? 3.6 cubic foot mix bed type 1, 4-inch size RO and vessel name plate with the serial number. Picture attached