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Ms. Katie LarsenSeptember 7, 2016Page 2 \\mspfsv02.lps.local\Studios\Active Projects\CLL16009 - Clearwater Creek final PUD and final plat\From Others (Original Data)\2016-09-07 Engineering Review #3 United Properties.docx ENVIRONMENTAL 1. A Phase I Archeological Survey has been completed for the project and no archaeological sites were found within the project area. 2. The developer is providing the buffer to Clearwater Creek as outlined in the Conservation Design Framework of the AUAR. WATER SYSTEM 1. The watermain extension along the north side of the building shall be 8 inch diameter watermain. 2. The Fire Department Connection shall be 5 inch Storz fitting. 3. The hydrants shall be WB-67 per City specification with the exception to use 5 inch Storz fittings. The City is in the process of changing their standard specification to this. 4. Hydrant spacing shall be 300 foot maximum, please review and revise if necessary. 5. Revise/eliminate Watermain Note #6 stating hydrants are placed 5 feet off the back of curb. 6. Show gate valves on hydrant leads. Call out a wet tap on the construction plans for hydrants along the 16 inch trunk watermain. SANITARY SEWER SYSTEM 1. Change the material type for the pipe segments from the Existing Sanitary Manhole to SAN MH-1, SAN MH-1 to SAN MH-2, and SAN MH-2 to SAN MH-3 to SDR 26 due to their depth. (Sheets 3.4, 3.6) 2. Include Standard Detail Plate San-7 (sanitary sewer service) in the plan set. 3. Provide a stub to the south of SAN-5 for future extensions/connections. STORM SEWER SYSTEM 1. Provide revised storm sewer calculations and area maps using the required 10-year storm event to verify the sizes of pipes and spacing of catch basins (currently provided for 3-year storm event). 2. The storm pipes between CBMH C-11, CBMH C-10, and FES are not accurately shown in the profile on the plan. (Sheet C3.3) 3. Provide a Storm Note that ‘The FES and last 3 pipe joints and are to be tied’.