MWG Trail Drawings 10 1 25.pdf

PDF 1 MB Posted Oct 1, 2025

Attached to: Mary Wright Greenway Trail Phase ll
Solicitation number: Proposal No: 2526-10-21-01
Issued by: Spartanburg County, South Carolina

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Written by GovTribe AI · Oct 3, 2025

This document is a detailed engineering design plan for the Mary Wright Greenway project by the City of Spartanburg, South Carolina. The project involves constructing a 10-foot wide asphalt multi-use pedestrian and bicycle trail that will connect various city streets including Cemetery Street, Hudson L. Barksdale Boulevard, Alexander Avenue, and other local thoroughfares. The trail will feature ADA-compliant curb ramps, detectable surfaces, green bike lane markings, concrete medians, and will tie into existing sidewalks and infrastructure.

The construction sequence includes installing erosion control measures, removing trees and stumps, grading the site, hauling in stone base, applying asphalt surface with pavement markings, and completing landscaping. The project area includes special flood hazard zones, requiring careful material volume compensation and removal of unsuitable materials. The trail design specifies a maximum 5% trail slope and 2% cross slope, with a pavement section consisting of a compacted subgrade, 6-inch aggregate base course, and 3-inch Type C asphalt surface course. Additional features include retaining walls, catch basins, traffic signal modifications, and careful integration with existing urban infrastructure.

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Multi use path

R/W

12' 4.5'

Sidewalk Travel

R/W

PROPOSED TRAFFIC PATTERN

LOOKING NORTH / WEST

CEMETERY STREET

JAM

ES H

G ST.

M A

RIO

VE.

. SID

HUDSON L BARKSDALE BLVD.

EX. SIDEWALK

MARY WRIGHT

GREENWAY TRAIL

EX. SIDEWALK

EXISTING

CULVERT

PYLE CT.

# 609

690 685

PROTECTED LANE/ PEDESTRIAN TRAIL

PROPOSED 10' ASPHALT

EXISTING

CULVERT MATCH LINE

MATCH LINE

M A

E M

H L

DRIVE

EXISTING

CULVERT

Travel 12' 10'

4.5' Sidewalk Concrete

Median

ALEXANDER AVE.

EX. SIDEWALK

SEQENCE OF CONSTRUCTION:

1. Installation of erosion control measures and construction entrance.

2. Remove down trees and stumps necessary for trail construction.

3. Grading Includes removing or stripping off the in-situ soil from the natural ground. All organic materials, topsoil, and stones greater than 3 inches in size should be removed.

4. Haul in stone base and set up for asphalt surface.

5. Apply asphalt surface and pavement markings.

6. Grassing and landscaping.

This construction is in a special flood hazard area and this grading will comply with compensating material volume. All unsuitable material must be hauled off site before any fill can be brought in.

EX. SIDEWALK

WHITE BOLLARD

YELLOW BOLLARD

REMOVE CURB & SIDEWALK

AND INSTALL NEW ADA COMPLIANT

CURB RAMP WITH DETECTABLE

SURFACE

REMOVE CURB & SIDEWALK

AND INSTALL NEW ADA COMPLIANT

CURB RAMP WITH DETECTABLE

SURFACE

ASPHALT TRAIL NOT TO

EXCEED 5% TRAIL SLOPE

AND 2% CROSS SLOPE

EXISTING TYPE 5

CATCH BASIN PROPOSED 2' x 3' GRATE TYPE

CATCH BASIN WITH

PEDESTRIAN GRATE

SET ON EXISTING 15"

RCP

INSTALL 15" HP STORM

DUAL WALL PIPE

INSTALL NEW LOOP

FOR TRAFFIC SIGNAL

REMOVE EXISTING

TRAFFIC MARKINGS

REMOVE EXISTING

TRAFFIC MARKINGS

CENTER LINE AND BIKE

LANES

NEW CENTER LINE

MARKINGS TIE INTO

EXISTING MARKINGS

WHITE

DOUBLE

YELLOW

DEMO EXISTING

IMPROVEMENTS

& FORM, POUR, FINISH 4"

CONCRETE TRAIL

FORM, POUR & FINISH 6"

CONCRETE PORK CHOP

2' CONCRETE

MEDIAN

SEE DETAIL

2' CONCRETE

MEDIAN

SEE DETAIL

10' ASPHALT

INSTALL NEW ADA COMPLIANT

DETECTABLE SURFACE

DOUBLE

YELLOW

MARY H WRIGHT GREENWAYCITY OF SPARTANBURG

10' ASPHALT TRAIL

1" = 40'

RETAINING WALL

RIDGEROCK II BEVELED FACE

36" HIGH

CONSTRUCTION

ENTRANCE

ANY DAMAGE TO CURB

OR SIDEWALK WILL

NEED TO BE REPAIRED

BY CONTRACTOR

ENTIRE BIKE LANE AT

INTERSECTION TO BE PAINTED

GREEN SKIP MARKING

PAINTED

CROSSWALK

MARKING

10' PRO

TECTED

TRA

SCALE 1" = 40'

ENTIRE BIKE LANE AT

INTERSECTION TO BE PAINTED

GREEN SKIP MARKING

SURFACE MOUNT POST

SECTION

2" 5"

PIN REMOVAL TOOL

QUICK RELEASE PINS

METRO BASE

1.5 LB HEAVY DUTY BASE

COLORS ONLY

1 LB LITE BASE - BLACK

2.1"

BASE OPTIONS:

MODEL

FG 300 TUBE

BASE

MATERIAL: POLYURETHANE

SHOWN WITH TYPICAL

REFLECTIVE TAPE

APPLIED

POST COLORS:

WHITE

YELLOW

FLUORESCENT ORANGE

WITH WHITE OR YELLOW

REFLECTIVE SHEETING

INSTALLED AS SHOWN

BASE OPTIONS:

1) 1LB LITE BASE

(BLACK ONLY)

2) 1.5LB HEAVY DUTY BASE

(COLORS ONLY)

3) METRO BASE

CUSTOM COLORS AND

CONFIGURATIONS ARE AVAILABLE

UPON REQUEST

ASPHALT TRAIL PAVEMENT SECTION

COMPACTED SUBGRADE

98% MINMUM

3" TYPE C ASPHALT SURFACE

COURSE

6" AGGREGATE BASE COURSE

BACKFILL TO EDGE OF

PAVEMENT AND GRASS &

STRAW

10.0'

AutoCAD SHX Text cadcoaching.co.uk

AutoCAD SHX Text D

AutoCAD SHX Text Drawn By

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AutoCAD SHX Text Date

AutoCAD SHX Text Project No.

AutoCAD SHX Text Dwg. No.

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JBAKER

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JSQUIRES

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MAGNETIC

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HUDSON L BARKSDALE BLVD.

EX. LANDSCAPE MEDIAN

EX. SIDEWALK

. S

. C

EX. SIDEWALK

EXISTING

WOOD BRIDGE

PRISCILLA

RUMLEY PARK

M A

E M

H L

. S

ASPHALT TRAIL PAVEMENT SECTION

COMPACTED SUBGRADE

98% MINMUM

3" TYPE C ASPHALT SURFACE

COURSE

6" AGGREGATE BASE COURSE

BACKFILL TO EDGE OF

PAVEMENT AND GRASS &

STRAW

ASPHALT TRAIL NOT TO

EXCEED 5% TRAIL SLOPE

AND 2% CROSS SLOPE

10.0'

ASPHALT TRAIL NOT TO

EXCEED 5% TRAIL SLOPE

AND 2% CROSS SLOPE

ASPHALT TRAIL WILL

TIE TO EXISTING

SIDEWALK

10' ASPHALT TRAIL

SCALE 1" = 40'

RIDGEROCK RETAINING WALL

INSTALLATION PROCEDURE

PROTECTED LANE/ PEDESTRIAN TRAIL

PROPOSED 10' ASPHALT

MARY H WRIGHT GREENWAYCITY OF SPARTANBURG

1" = 40'

AutoCAD SHX Text D

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GAUGE, MAX. 6" MESH

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GROUND

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DRIVEN MIN. 18" INTO

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WOVEN WIRE FENCE (14

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48" MIN. FENCE POSTS,

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PERSPECTIVE VIEW

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8' MAX. C. TO C.

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FABRIC OVER

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SPACING) WITH FILTER

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GA. MIN. MAX. 6" MESH

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WOVEN WIRE FENCE (14

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EMBED FILTER FABRIC

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MIN. 8" INTO GROUND

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1.33#/L.F. STEEL POST OR 3"%%C WOOD POST (MIN.)

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STANDARD SYMBOL

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UNDISTURBED GROUND

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MIN. MAX.

AutoCAD SHX Text 18" 30"

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FLOW

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FLOW

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FLOW

AutoCAD SHX Text 4"

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SPACING)

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COMPACTED

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FILL

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48" MIN. LENGTH

AutoCAD SHX Text %%uSILT FENCE

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NO SCALE

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48" MIN. FENCE POSTS,

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FILTER FABRIC

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DRIVEN MIN. 18" INTO

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HEIGHT OF FILTER

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FLOW

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PERSPECTIVE VIEW

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FLOW

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6' MAX. C. TO C.

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GROUND

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OR AS DIRECTED BY ENGINEER

AutoCAD SHX Text 8"

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HEIGHT OF FILTER

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= 18" MIN.

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MIN.

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NATURAL GROUND

AutoCAD SHX Text a mountable berm with 5:1 slopes will be permitted.

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SYMBOL

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STANDARD

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9. Periodic inspection and needed maintenance shall be provided after each rain.

AutoCAD SHX Text trapping device.

AutoCAD SHX Text area stabilized with stone and which drains into an approved sediment

AutoCAD SHX Text onto public rights-of-way. When washing is required, it shall be done on an

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8. WASHING - Wheels shall be cleaned to remove sediment prior to entrance

AutoCAD SHX Text removed immediately.

AutoCAD SHX Text spilled, dropped, washed or tracked onto public rights-of-way must be

AutoCAD SHX Text repair and/or cleanout of any measures used to trap sediment. All sediment

AutoCAD SHX Text require periodic top dressing with additional stone as conditions demand and

AutoCAD SHX Text prevent tracking or flowing of sediment onto public rights-of-way. This may

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7. MAINTENANCE - The entrance shall be maintained in a condition which will

AutoCAD SHX Text entrances shall be piped across the entrance. If piping is impractical, AutoCAD SHX Text

6. SURFACE WATER - All surface water flowing or diverted toward construction

AutoCAD SHX Text Filter will not be required on a single family residence lot.

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5. FILTER CLOTH - Will be placed over the entire area prior to placing of stone.

AutoCAD SHX Text where ingress or egress occurs.

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4. WIDTH - Ten (10) foot minimum, but not less than the full width at points

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3. THICKNESS - Not less than six (6) inches.

AutoCAD SHX Text residence lot where a 30 foot minimum length would apply).

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2. LENGTH - As required, but not less than 50 feet (except on a single

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1. STONE SIZE - Use 2" stone, or reclaimed or recycled concrete equivalent.

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CONSTRUCTION SPECIFICATIONS

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GROUND

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EXISTING

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GROUND

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EXISTING

AutoCAD SHX Text 10'

AutoCAD SHX Text 50' min.

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10' MIN.

AutoCAD SHX Text 50' min.

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10' MIN.

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EXISTING

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PAVEMENT

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PLAN VIEW

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PROFILE

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SCE

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NOT TO SCALE

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(OPTIONAL)

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MOUNTABLE BERM

AutoCAD SHX Text 5:1

AutoCAD SHX Text 3'

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CLOTH

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FILTER

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PAVEMENT

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EXISTING

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6" MIN.

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STABILIZED CONSTRUCTION ENTRANCE

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MAGNETIC

AutoCAD SHX Text Topsoil

AutoCAD SHX Text swale

AutoCAD SHX Text Recommended drainage

AutoCAD SHX Text cap unit

AutoCAD SHX Text 4" RidgeRock

AutoCAD SHX Text Geosynthetic length

AutoCAD SHX Text Stake or hold

AutoCAD SHX Text Pull tight, AutoCAD SHX Text of block

AutoCAD SHX Text to front

AutoCAD SHX Text geosynthetic

AutoCAD SHX Text Extend

AutoCAD SHX Text reinforcement

AutoCAD SHX Text Geosynthetic

AutoCAD SHX Text backfill

AutoCAD SHX Text common

AutoCAD SHX Text Compacted

AutoCAD SHX Text Maximum 8"

AutoCAD SHX Text Compacted lift thickness

AutoCAD SHX Text engage shear key

AutoCAD SHX Text Move forward to

AutoCAD SHX Text Setback

AutoCAD SHX Text Geogrid length

AutoCAD SHX Text soil

AutoCAD SHX Text Compacted infill

AutoCAD SHX Text Drainage fill

AutoCAD SHX Text 12" Min.

AutoCAD SHX Text RidgeRock unit

AutoCAD SHX Text String line

AutoCAD SHX Text Stake

AutoCAD SHX Text 6" Min.

AutoCAD SHX Text 12"

AutoCAD SHX Text 12" Min.

AutoCAD SHX Text 6" Min.

AutoCAD SHX Text Proposed drain

AutoCAD SHX Text Proposed grade

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AutoCAD SHX Text Geogrid length

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AutoCAD SHX Text Bench cut

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%%UFILL WALL

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%%UCUT WALL

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1. Survey and stake SRW location.

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2. Perform general excavation for wall.

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STEP 1, WALL LAYOUT AND GENERAL EXCAVATION

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STEP 2, LEVELING PAD

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STEP 3, SETTING FIRST RIDGEROCK COURSE

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1. Ensure trench is excavated sufficiently to create a minimum

AutoCAD SHX Text leveling pad thickness of 6" and to the minimum width shown

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2. Install drain pipe with positive gravity flow to outlet.

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3. Place, level and compact leveling pad material for RidgeRock units.

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1. Check leveling pad elevation and smooth leveling pad surface.

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2. Stake and stringline the wall location. Place stringline along

AutoCAD SHX Text back edge of RidgeRock unit, not the split face.

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3. Install first course of RidgeRock units. Level each unit. A rubber

AutoCAD SHX Text mallet may be used to seat the units in the leveling pad material

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STEP 4, BACKFILLING FIRST COURSE

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STEP 5, SETTING NEXT RIDGEROCK COURSES

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1. Fill all openings in and between blocks with drainage fill.

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2. Place drainage fill behind and up to the height of RidgeRock units.

AutoCAD SHX Text More than 12" may be required in areas, to maintain 12" minimum.

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3. Place and compact infill soil behind drainage stone.

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4. Place and compact fill soil in front of wall.

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5. Compact drainage fill.

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2. Sweep all debris from the top of the last course.

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3. Set next course on top of previous course in a running bond

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4. Push block forward until shear key engages with blocks below.

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1. Ensure drainage stone is not higher than the top of last course.

AutoCAD SHX Text A string line should be used on a minimum of every other course

AutoCAD SHX Text placed to ensure proper alignment.

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STEP 6, FILL PLACEMENT ON NEXT COURSES

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STEP 7, PLACEMENT OF GEOSYNTHETIC

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2. Place drainage fill behind and up to the height of RidgeRock units.

AutoCAD SHX Text More than 12" may be required in areas, to maintain 12" minimum.

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4. Compact drainage fill.

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3. Place and compact infill soil behind drainage stone.

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1. Fill all openings in and between blocks with drainage fill.

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1. Ensure drainage stone is not higher than top of last course.

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2. Sweep debris off top of last course.

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3. Cut geosynthetic to design length and install with strength

AutoCAD SHX Text direction perpendicular to wall face. Extend to front of block.

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4. Set next RidgeRock course in a running bond configuration on top

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5. Push block forward until shear key engages with blocks below.

AutoCAD SHX Text of the geosynthetic reinforcement.

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STEP 8, BACKFILLING OVER GEOSYNTHETIC

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STEP 9, COMPLETE THE WALL

AutoCAD SHX Text Tension

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1. Pull geogrid taut. Hold or stake to maintain uniform tension

AutoCAD SHX Text while placing fill.

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2. Place drainage fill in and around block and 12" behind block.

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3. Place and compact infill soils.

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4. Compact drainage fill.

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1. Continue wall to full height using steps 5 thru 8.

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2. Install 4" RidgeRock cap unit. Secure with cap adhesive.

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3. Finish grade with positive drainage away from wall face.

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4. Place topsoil and vegetate slopes above and at ends of wall.

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AutoCAD SHX Text Drawn By

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JBAKER

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JSQUIRES

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ALEXAN

DER AVE.

SMIT

H A

EX. SIDEWALK

SPARTANBURG COMMUNITY

MEMORIAL COMMITTEE

D U

N S

# 258# 102 # 104

# 106# 108 # 110# 112# 114# 116# 118

# 60

CEMETERY STREET

ASPHALT

ACCESS ROADS

. S

ALK

EX. SIDEWALK

MATCH LINE

DRIVE

. S

ALK

EX. SIDEW

ALK

EX. SIDEW

ALK

RIVE

RIVE DRIVE

2' SURFACED MOUNTED CONCRETE

ISLAND (REFER TO DETAIL 720-105-03

AND DETAIL ON DRAWING)

2' SURFACED MOUNTED CONCRETE

ISLAND (REFER TO DETAIL 720-105-03

AND DETAIL ON DRAWING)

REMOVE CURB & SIDEWALK

AND INSTALL NEW ADA COMPLIANT

CURB RAMP WITH DETECTABLE

SURFACE

BIKE LANE TO BE PAINTED

GREEN SKIP MARKING BEFORE

AND AFTER DRIVEWAY

ENTIRE BIKE LANE AT

INTERSECTION TO BE PAINTED

GREEN SKIP MARKING

PAINTED

CROSSWALK

MARKING 9' PROTECTED TRAIL

OTECTED TRAIL

SCALE 1" = 40'

Multi use path

R/W

12.5' 4.5'

Sidewalk Travel

R/W

PROPOSED TRAFFIC PATTERN

LOOKING NORTH / WEST

CEMETERY STREET

Travel 12.5'9'

4.5' Sidewalk Concrete

Median

EDGE MILL AND RESURFACE

CEMETERY STREET BEFORE

POURING CONCRETE MEDIAN.

WINSMITH AVE. TO DUNCAN ST.

EDGE MILL AND RESURFACE

WINSMITH AVENUE BEFORE

POURING CONCRETE MEDIAN.

CEMETERY ST. TO ALEXANDER

AVE.

2.0'

15.0'

0.50'

0.45'

1/2 " REBAR DOWELED

INTO ASPHALT 12" FROM

EDGES

0.30'

0.70'

CONCRETE MEDIAN (TYP.)

PROTECTED LANE/ PEDESTRIAN TRAIL

PROPOSED 10' ASPHALT

MARY H WRIGHT GREENWAYCITY OF SPARTANBURG

1" = 40'

AutoCAD SHX Text D

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MAGNETIC

AutoCAD SHX Text cadcoaching.co.uk

AutoCAD SHX Text Drawn By

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AutoCAD SHX Text App'd By

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AutoCAD SHX Text Project No.

AutoCAD SHX Text Dwg. No.

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JBAKER

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JSQUIRES

AutoCAD SHX Text 8/25/25

AutoCAD SHX Text Scale :

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File details come from the government source that posted it. Updated Oct 3, 2025.