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Engineering Review Page 6 December 8, 2004 •ox Den Acres City of Lino Lakes, Minnesota • d. Information shall be provided on the Plans showing the location of individual services for sanitary sewer and water, including stationing and elevations. 5. The geotechnical report provided is not specific with regards to addressing the installation of utilities and the streets. It would appear that the soils are generally capable of supporting the proposed infrastructure with some corrections needed in some areas, particularly at low areas where wetlands are intended to be filled, and wet and substandard material may be encountered. The geotechnical report should address this further. In addition, substantial dewatering for utilities may also be necessary in many locations, depending upon the seasonal level of groundwater. 6. The Developer shall provide to the City of Lino Lakes a copy of the completed Minnesota Department of Health (MDH) Permit for watermain installation and MPCA/MCES Sanitary Sewer Permit, upon completion of the Utility Plans and prior to construction. 7. The Developer shall provide a televised inspection tape of all sanitary sewer pipes upon completion of the roadway and utilities. Any subsequent cleaning of the sewer pipes after construction shall be the responsibility of the Developer. 8. The number and location of all hydrants and gate valves shall be subject to the review and approval of the City Fire Chief. 9. Trench and roadway compaction shall meet the requirements of the City of Lino Lakes, including 100% of Standard Proctor Density for the upper three feet directly beneath the roadway, and 95% of Standard Proctor from utility encasement zone to three feet below the surface. As stated in previous reviews, it is critical that geotechnical information and direction be followed as construction activities progresses. It is recommended that a geotechnical investigation be conducted, and that a geotechnical consultant be utilized throughout construction. 10. The Utility Plan is incomplete with regards to storm sewer information, including pipe sizes, materials, slopes, structure elevations and inverts, etc. Details A Detail Sheet must be provided that includes all applicable City of Lino Lakes standard plates. Additional information shall also be included on the Utility Plans and/or the Detail Sheet as follows: Gate Valves shall be Mueller A- 2370 -20 with mechanical joints, meeting AWWA Specifications C5O0 -61. Valve Boxes shall be Mueller H -10357 with H -10361 drop lid, and extensions shall be Mueller H- 10363. Hydrants shall be Waterous Pacer WB -67 with a bury depth of 8' - 6 ". Services shall be Type "K" copper with Mueller H- 15000 corp stop. Curb stop and curb box shall be Mueller 11-15154 Mark 2 oraseal, and Mueller H -1300 w/Mpls. Top. Storm sewer details and standard plates (including structures and outlets) shall also be provided. •Traffic A Traffic Report for Fox Den Acres has been prepared by TDI, March 2004. The Report was subsequently amended in a TDI Memorandum dated April 14, 2004. The Report was also revised in a Memorandum dated July 29, 2004 to reflect the reduction in the proposed number of residential units from 64 to 57. The -45-