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i PAGE 6 2003 All ~ ~ NI,~ , FACILITIES The facilities condition assessment program was placed into full concrete do to the high hydrogen sulfide levels found above the service in the spring of 2003 for all Wastewater Division build- water line in the grit channels. This work involved the coopera- ings. The program uses a rating system to assess and track tion of Operations, Equipment Maintenance, and Facilities changes of the condition of buildings and structures. The as- Maintenance to insure that the project could be completed in a sessment provides a good description record of current condi- timely manner. tions and establishes a way to compare infrastructure conditions to what we find in two to three years when the assessment will The grit channels were cleaned and stripped of equipment be- be completed again. fore the contractors arrived on site. Once on site scaffolding was placed in the grit channel to allow for a working platform, The assessment program includes a detailed and comprehensive and the channel was covered and a dust collector was installed. inspection and includes internal and external features of infra- The channel was pressure washed and then grit blasted down to structure includin such items as ounds around structures sound concrete. Once all blastin was com leted and the 't g bn' g P ~ concrete work, flooring, windows, lighting, and insulation. collected the walls were resurfaced where needed using a trowel Over 400 items are listed on the inspection form that could be applied cement based material. The walls were then sealed with looked at while performing the inspection. Each inspection item a clear primer and then top coated with 120 mils of a 100% Sol- is rated for a record of its condition. The rating system uses a ids aliphatic polyurea elastomeric coating system. range of ratings from 1 - 5, 1 being poor condition and 5 being excellent condition. If something is identified that needs to be The end result for the division is a protected concrete surface repaired a repair priority using the same 1 - 5 scale is also as- which we hope will give many years of protection to the con- signed with 1 being immediate attention and 5 being over the Crete and insure an extended life of the grit channels well be- next year. A record is also made of an estimate of what we de- yond what has been projected. termine to be the remaining useful life before major rehabilita- tion work will be required, this rating is on a 1 - 10 year scale. Paper Towel Change In 2003 we reevaluated our paper towel usage and listened to In the spring of 2003 we inspected 30 buildings and structures the concerns of Wastewater staff on the waste of the type of pa- which are located at the Regional Water Pollution Control Facil- per towels that we were using. We began again looking into the i Biosolids Mana ement Facili Seasonal Industrial Waste different es of a er towels that were on the market which ty, g ty, h'p P P Site, and the major pump stations. The results of the inspection included center pull, rolled, and trifold. We asked several ven- indicated that all structures are in very good condition overall. dors to bring in their different brands and systems for us to Only one structure rated less than a 4 in overall condition and evaluate. that rating was a 3.98 (the deficiencies that were found were minor but have been corrected). All other buildings and struc- What we were surprised to see was that the makeup of paper tures rated a 4.0 to 4.9 with the majority in the 4.4 to 4.8 range. towels had changed a great deal since the last time we had The life expectancy before major maintenance may need to take evaluated them. The recycle makeup had changed and nar- place ranged from a low of 8.6 years for the centrifuge building rowed the product choices that we had while still maintaining to a 10 for the majority of the buildings and structures. The rat- our EMS standards. We also evaluated how many feet of prod- ings did not include roofs which are managed under a separate uct we would be purchasing per case when looking at the differ- roof inspection program. ent types of products offered. The program inspections identify minor repair needs such as Through this evaluation we ended up choosing a roll type towel painting, 20 year wall coverings that may need to be replaced, over the center pull. The contributing factors included the post and small areas where carpet is worn and other floor coverings consumer content of recycled material, the cost per case, and the will need to be replaced over the next several years. These are cost of converting from the trifold system to the new system. all placed into the category of minor routine maintenance. The vendor provided us free of charge all of the dispensers which are a hands free system that we can set the towel length The assessment has served as a valuable tool. When combined dispensed without the need of entering into any type of purchase with four other types of inspections (semi-annual roof inspec- agreement. tions, 5 year roof moisture evaluations, yearly tankage inspec- tions, and quarterly walk around inspections) the overall pro- We should complete converting from the trifold type towels to gram supports a sound maintenance management strategy for the rolled towels sometime during the spring of 2004 when all wastewater infrastructure. The program can be expected to help of the trifold towels have been used up. Thus far we have seen a control maintenance costs by addressing deficiencies before reduction in the amount of paper towels used and the change they require major repairs. over should have a positive impact on the Divisions paper usage overall. Grit Channel Coating Project During the summer of 2003 the final two grit channels were • T O D D A N D E R S O N coated. The coating was necessitated by the deterioration of the