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HomeMy WebLinkAboutPublic Works Comments (08.08.06)CITY OF MIAMI, FLORIDA REHM PLANNl'4C DEP-ATFFICE MEMO- GANDUM TO : Ana Gelabert-Sanche006 AUG 1 I AM 8: 2 8 z Director Planning Department €44)SuW-if\--VN,U FROM : Stellidlie N. Grindell, P.E. Director Public Works Department DATE : August 8, 2006 FILE : SUBJECT : REFERENCES: ENCLOSURES: Large Scale Development Review - ONE The Public Works Department has reviewed the Large Scale Development plans for the development entitled ONE, located at 2340 S.W. 32 Avenue and has the following comments. 1. Ten (10) feet of right-of-way dedication is required along S.W. 23 Terrace at Lot 38. 2. A ramp slope of 8% exceeds the maximum slope recommended for parking vehicles. Architectural guidelines recommend a maximum slope of 6.5% where parking is permitted on ramps. 3. Insufficient space is provided in the loading area for truck maneuvering. Trucks must exit the property in a forward direction and must not back-up into the right-of-way. 4. Planter "bulb -outs" are not permitted on S.W. 23 Street. The existing continuous landscaped parkway shall remain with parallel on -street parking. 5. Landscaping within the sidewalk area is not permitted on S.W. 32 Avenue. Continuous pedestrian sidewalk is required within the public right-of-way abutting the project site without requiring pedestrians to enter private property. All greenspace and landscaping required by Zoning Ordinance must be accommodated on private property. Greenspace and landscaping within the public right-of-way cannot be included in the calculations for meeting greenspace zoning requirements. 6. City of Miami driveway entrances, in compliance with A.D.A. standards, shall be required. Continuous sidewalk is required across driveway entrances. Curbed street -type entrances are not permitted. 7. Street elevations surrounding the building site vary significantly (greater than 2 feet). All transitions from the established street profile grade to the building flood elevation must be accomplished on private property. Stairs, ramps, retaining walls, etc. will not be permitted in the public right-of-way and the record profile street grade can not be changed to accommodate the proposed building ground floor elevation. 8. Poor soil conditions exist throughout the Douglas Park neighborhood and stormwater drainage is problematic. This factor must be considered for constructability and drainage of Ana Gelabert-Sanchez Director Planning Department Page 2 August 8, 2006 the underground parking levels. Discharge of construction excavation water into the public right-of-way is not permitted. All stormwater must be retained on site including the driveways and plazas on private property adjacent to the public streets. All plazas and driveways must be graded or trench drains provided to prevent "sheet flow" from entering the right-of-way. If deep drainage wells are selected for stormwater disposal, they must be located on -site in an open area to accommodate future maintenance access. 9. An agreement between the City of Miami and the property owner is required for any landscaping and decorative sidewalk treatment located in the public right-of-way. Public Works approval and permit is required for any landscaping improvements in the right-of- way. 10. Standard parking spaces are 8.5 feet wide and 18 feet long and require a 23 foot back-up distance. A Special Class II permit is required to reduce the back-up distance. 11. Public Works 'policy requires that no closures of vehicular travel lanes will be permitted during the course of construction unless a temporary replacement lane, approved by the Public Works Department, is constructed and maintained by the Contractor throughout the duration of the lane closure. A maintenance of traffic plan is required for any temporary right-of-way closure request. 12. In order to mitigate traffic congestion and problems associated with unregulated parking throughout the neighborhood, the Contractor/Developer shall be required to provide approved, designated off -site parking for workers and a shuttle service to the work site. The parking/shuttle plan shall be coordinated with the local City of Miami NET Service Center. 13. Since this project is more than one acre in total construction area, the methods of construction must comply with the City of Miami Municipal Separate Storm Sewer Permit (MS4). This project will require a Florida Department of Environmental Protection (DEP) Stormwater, Erosion and Sediment permit. For information on a DEP permit application, please contact the Public Works Department at (305) 416-1200 or www.dep.state.fl.us/water/stormwater/n des. The Public Works Department will require the following street improvements: S.W. 23 STREET: Construct missing section of curb and gutter and replace all damaged sidewalk, curb and gutter adjacent to the site. Construct new pavement in missing parking lane and mill and resurface entire width of existing pavement adjacent to the project site. Re -sod parkway and install new street trees as approved by the Public Works Department. S.W. 32 AVENUE: Replace damaged sidewalk, curb and gutter adjacent to the project site. Due to the narrow width of the sidewalk, street trees are not permitted in the right-of-way. Ana Gelabert-Sanchez Director Planning Department Page 3 August 8, 2006 S.W. 23 TERRACE; Construct curb and gutter and paved parking lane in accordance with City standards. Replace all damaged sidewalk and mill and resurface entire width of roadway adjacent to the project site. Construction of planter "bulb -outs", if approved by the Public Works Department, will require construction of improvements to the stormwater drainage system. In addition, pavement restoration for all water and sewer extensions, existing damaged pavement and pavement damaged during construction, as determined by the City inspector, shall include milling and resurfacing of the full pavement width, curb to curb, along the entire length of the excavation and/or damaged pavement area. A thorough cleaning of all stormwater drainage inlets and storm sewer pipes adjacent to the building site shall be required at the completion of the project. The streets and avenues adjacent to the project site must be clear of dust and construction debris at all times. Construct A.D.A. compliant handicap ramps at both street intersections. If you have any questions concerning these comments, please call Mr. Leonard Helmers, Professional Engineer IV, at extension 1221. SNG Jj c: ROSE MARIE CARRERAS FULLERTON DIAZ ARCHITECTS, INC. 5601 Collins Avenue, Apt. M12 366 Altara Avenue Miami Beach, FL 33140 Coral Gables, FL 33146 Stephanie N. Grindell, P.E., Director of Public Works Roberto Lavernia, Chief of Land Development, Planning Department Manuel Vega, Zoning Department bc: Development and Roadway Plans Central