_O & M MANUAL - WEST LANE MOBILE HOME PARK

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By using Table 1, you will be able to determine the amount of SANURIL tablets required for a designated time frame, i.e. one (1) year. In order to calculate the �,mber of containers required for a yearly operation, the owing steps should be followed: 1) determine the tuber of SANURIL tablets required for one year by .ultiplying the number of SANURIL tablets/day by 365 days/year and 2) divide the number of tablets required per year by the number of tablets per each container size as outlined below: Container Size Number of Tablets/ Each 25 - Ib. Pail 81 Tablets 45 - Ib. Pail 145 Tablets 100 - Ib Drum 323 Tablets Example: 1.9 SANURIL tablets/day x 365 days/year = 693.5 SANURIL tablets / year. The chemical require- ments for the year will be either 5 x 45 - Ib pails (693.5/145) or 2 x 100 - Ib. drums (693.5/323). NOTE: IF YOU ARE USING THE AQUAWARD' TABLETS FOR WASTEWATER DISINFECTION, THE SAME SIZING SHEET CAN BE USED. ALTHOUGH SANURIL CONTAINS HIGHER CHLORINE CONTENT THAN THE AQUAWARD TABLETS, THE SIZING CAL- CULATIONS ARE BASED ON THE MINIMUM CHLO- RINE OF BOTH THE SANURIL AND AQUAWARD TABLETS, I.E. 70%_ C"I/ltallation of the Weir Plate hen the proper weir size has been determined, the Jr plate is installed by bolting it to the outside face of the outlet. PVC bolts and nuts have been provided for this use. All the water must pass through the weir for effective operation. The plate may be caulked if neces- sary to prevent leakage around the sides. All recent Model 1000 or 1001 Feeders come equipped with calibrated weir plates that show the instantaneous flow rates. A weir calibration curve and photo of these weirs are shown in Appendix C. Charging the Feed Tubes After you have determined the correct number of feed tubes to be used, fill the active tube, or tubes, with SANURIL tablets as shown in Figure 10. These tablets are designed and formulated especially for use in the EIC Tablet Feeders. Each tube holds 29 tablets weighing approximately 81/1 pounds. When sliding the tablets into the tube, they must be flat in the stack to assure a constant feed rate and avoid the possibility of jamming in the contact zone at the bottom of the tube. After all active tubes have been charged, be sure the caps are securely in place to prevent the entrance of rain or snow which could cause the SANURIL tablets to dis- solve prematurely. Figure 10 - Charging SANURIL Tablets Placing Feed Tubes in the Model 1000 or 1001 After the active tubes have been charged, insert the tubes into the unit through the collars in the top cover. Tubes charged with tablets must be inserted with the slotted end down, while the inactive tubes should be installed with their slotted ends up for proper flow distrib- ution and the same hydrodynamic action provided by the active tubes filled with tablets. Both active and inactive tubes must be pushed down against the bottom of the feeder. When inserting the tubes, the correct location of both active and inactive tubes is important. The collars for holding the four tubes are arranged in a diamond shaped pattern with respect to water flow as shown in Figure 11. When only one feed tube is active (charged with SANURIL tablets), it should be placed in the No. 1 posi- tion with the other three tubes inverted (slotted ends up). *% DIRECTION OF �Uy 4 WATER FLOW 03 Figure 11 - Feed Tube Arrangement