2. Intersection Grading: You are provided the following information from two proposed profiles and asked to design an intersection. Atlantic Avenue runs due east and Baltic Avenue runs due north. Atlantic Avenue: Jeffco Temp-8, Local Street (28' FL to FL) with Attached Sidewalks Along the centerline: 10+50.00, 5430.15 Baltic Avenue: Jeffco Temp-8, 13+00.00, 5433.90 Station Equation: Local Street (28' FL to FL) with Attached Sidewalks Along the centerline: 26+25.00, 5432.67 27+75.00, 5431.32 11+70.00 Atlantic Ave 27+05.00 Baltic Ave Using the Jefferson County Criteria prepare a drawing of the intersection with proposed spot elevations at every point of curb return (PCR, eight total) and anywhere else you think is needed. Through the intersection the roadway cross slope may vary from 1.5% to 4.0% if needed. a. Designate low points, if applicable, where storm inlets might need to be located. b. Provide grade arrows with values around each curve return. c. Provide grade arrows along curb and gutter wherever the grade in the gutter does not match the centerline profile grade. Your drawing should be to scale. Keep in mind that there is a lot of information to show on the sketch so provide plenty of room.
2. Intersection Grading: You are provided the following information from two proposed profiles and asked to design an intersection. Atlantic Avenue runs due east and Baltic Avenue runs due north. Atlantic Avenue: Jeffco Temp-8, Local Street (28' FL to FL) with Attached Sidewalks Along the centerline: 10+50.00, 5430.15 Baltic Avenue: Jeffco Temp-8, 13+00.00, 5433.90 Station Equation: Local Street (28' FL to FL) with Attached Sidewalks Along the centerline: 26+25.00, 5432.67 27+75.00, 5431.32 11+70.00 Atlantic Ave 27+05.00 Baltic Ave Using the Jefferson County Criteria prepare a drawing of the intersection with proposed spot elevations at every point of curb return (PCR, eight total) and anywhere else you think is needed. Through the intersection the roadway cross slope may vary from 1.5% to 4.0% if needed. a. Designate low points, if applicable, where storm inlets might need to be located. b. Provide grade arrows with values around each curve return. c. Provide grade arrows along curb and gutter wherever the grade in the gutter does not match the centerline profile grade. Your drawing should be to scale. Keep in mind that there is a lot of information to show on the sketch so provide plenty of room.
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter14: Highway Surveys And Location
Section: Chapter Questions
Problem 17P: The following table shows the stations and ordinates for a mass diagram. The free-haul distance is...
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I need help drawing the digram.
Transcribed Image Text:2. Intersection Grading:
You are provided the following information from two proposed profiles and asked to
design an intersection. Atlantic Avenue runs due east and Baltic Avenue runs due
north.
Atlantic Avenue:
Jeffco Temp-8,
Local Street (28' FL to FL) with Attached Sidewalks
Along the centerline: 10+50.00, 5430.15
Baltic Avenue:
Jeffco Temp-8,
13+00.00, 5433.90
Station Equation:
Local Street (28' FL to FL) with Attached Sidewalks
Along the centerline: 26+25.00, 5432.67
27+75.00, 5431.32
11+70.00 Atlantic Ave 27+05.00 Baltic Ave
Using the Jefferson County Criteria prepare a drawing of the intersection with
proposed spot elevations at every point of curb return (PCR, eight total) and
anywhere else you think is needed. Through the intersection the roadway cross
slope may vary from 1.5% to 4.0% if needed.
a. Designate low points, if applicable, where storm inlets might need to be
located.
b. Provide grade arrows with values around each curve return.
c. Provide grade arrows along curb and gutter wherever the grade in the
gutter does not match the centerline profile grade.
Your drawing should be to scale. Keep in mind that there is a lot of information to
show on the sketch so provide plenty of room.
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