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1 4. SUFFICIENT SPACE FOR ON-SITE ROADWAYS, QUEUING, AND PARKING <br /> 2 Consideration: Transfer stations typically have on-site roadways to move vehicles around <br /> 3 various parts of the transfer site. Waste collection trucks can be up to 40 feet long. <br /> 4 Transfer trailers that move waste to a disposal facility are typically 50 to 70 feet <br /> 5 long. These vehicles need wide roadways with gradual slopes and curves to <br /> 6 maneuver efficiently and safely. Also, the site will need space for parking transfer <br /> 7 vehicles and to allow incoming and outgoing traffic to form lines without backing up <br /> 8 onto public roads. <br /> 9 <br /> 10 Definition: On-site roadways and maneuvering areas will meet the following minimum <br /> 11 requirements: down slope vehicle ramps must be less than 10%; upward sloped ramps must be <br /> 12 less than 6%; roadway widths for collection vehicle and transfer vehicle traffic must be 24 feet; <br /> 13 inbound and outbound collection vehicle queuing (in front of scale) must accommodate 4 <br /> 14 vehicles with provisions for a double stack using bypass or outbound lanes (i.e., stage 8 <br /> 15 inbound collection vehicles); queuing for 4 transfer vehicles including trailers positioned under <br /> 16 load-out hoppers; staff parking for 5 vehicles plus 2 visitors; and trailer storage for 4 to 6 units. <br /> 17 <br /> 18 Application: <br /> 19. <br /> 20 The site that lends itself to the most efficient design in terms of roadway geometry and layout <br /> 21 will be ranked highest. Roadway widths, maximum slopes, number of lanes, turning radius, and <br /> 22 traffic flow pattern will be considered. <br /> 23 <br /> 24 Weighting Factors: <br /> 25 <br /> 26 Importance: <br /> 27 <br /> 28 • Important <br /> 29 <br /> 30 Value: <br /> 31 • 5 <br /> 32 <br /> 33 <br /> 34 5. TRUCK AND TRAFFIC COMPATIBILITY <br /> 35 <br /> 36 Consideration: Transfer stations often receive surges of traffic when collection vehicles have <br /> 37 finished their routes. Transfer station traffic varies locally but tends to peak twice a <br /> 38 day. The first peak is often near the middle of the day or shift, and the second at <br /> 39 the end of the day or shift. Therefore, the best sites for transfer stations are <br /> 40 located away from areas that have midday traffic peaks and/or school bus and <br /> 41 pedestrian traffic. <br /> 42 <br /> 43 Definition: Compatibility of projected transfer station traffic volume and vehicle types with <br /> 44 existing traffic mix and flow patterns in the immediate area of the site. <br /> 45 <br /> 46 Application: <br /> 47 <br /> 48 Sites with street or roadway connector access that do not currently or are not projected in the <br /> 49 future to exhibit significant midday traffic peaks and school bus or pedestrian traffic shall be <br /> 6 <br />