Attachment C - Mass Grading Package Drawings.pdf

ROARING FORK RIVER

HIGHWAY 82

PROJECT AREA

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

1 04/11/25 DRAFT MASS GRADING

2 04/25/25 MASS GRADING PACKAGE

COVER SHEET

1" = 50'

MGP01

PREPARED FOR

PITKIN COUNTY SOLID WASTE CENTER

32046 JACK GREDIG LANE

ASPEN, CO 81611

TYLER CARVELL - 970.429.3364

CIVIL ENGINEER

HDR ENGINEERING, INC

1670 BROADWAY. SUITE 3400

DENVER, CO 80202

NEAL ANDERSON, PE - 303.318.6343

CIVIL ENGINEER

WEAVER CONSULTANTS GROUP

7340 EAST CALEY AVENUE. SUITE 110

CENTENNIAL, CO 80111

JACOB MIDKIFF, PE - 720.529.0132

ARCHITECT

HDR ARCHITECTURE, INC

1670 BROADWAY. SUITE 3400

DENVER, CO 80202

JAMES BRAAM, AIA, NCARB, LEED AP - 303.524.8445

LANDSCAPE ARCHITECT

HDR ARCHITECTURE, INC

1670 BROADWAY. SUITE 3400

DENVER, CO 80202

KENT FREED, PLA, LEED AP - 303.323.9561

PITKIN COUNTY SOLID WASTE CENTER

MASS GRADING PLAN

32046 JACK GREDIG LANE, ASPEN CO 81611

A TRACT OF LAND SITUATED IN

SECTION 7 & 8, TOWNSHIP 9 SOUTH, RANGE 85 WEST OF THE 6TH P.M.

COUNTY OF PITKIN, STATE OF COLORADO

1" = 1000'

VICINITY MAP

SHEET INDEX

MGP01 MASS GRADING PLAN COVER SHEET

MGP02 GENERAL NOTES

MGP03 SURVEY/EXISTING CONDITIONS

MGP04 FUTURE SITE PLAN

MGP05 MASS GRADING PLAN - NORTH

MGP06 MASS GRADING PLAN - SOUTH

MGP07 EROSION CONTROL - NORTH

MGP08 EROSION CONTROL - SOUTH

MGP09 EROSION CONTROL DETAILS

MGP10 CUT/FILL EARTHWORK QUANTITIES

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

1 04/11/25 DRAFT MASS GRADING

2 04/25/25 MASS GRADING PACKAGE

GENERAL NOTES

1" = 50'

MGP02

1. PRIOR TO COMMENCEMENT OF CONSTRUCTION, A LICENSED SURVEYOR SHALL STAKE THE PROPERTY BOUNDARIES, AS WELL AS ANY PROTECTED AREAS OF THE SITE. THE CONTRACTOR SHALL NOTIFY THE

ENGINEER IMMEDIATELY OF ANY DISCREPANCIES FROM THE CONSTRUCTION DOCUMENTS.

2. ALL SITE IMPROVEMENTS SHALL BE CONSTRUCTED IN STRICT COMPLIANCE WITH SPECIFICATIONS AND

CONSTRUCTION DOCUMENTS.

3. ALL STRAIGHT-LINE DIMENSIONS SHOWN ARE AT 90 DEGREES UNLESS OTHERWISE NOTED.

4. ALL DIMENSIONS ARE TO THE OUTSIDE FACE OF BUILDINGS, TO CENTERLINES, AND TO THE FACE OF CURB, UNLESS OTHERWISE NOTED.

5. THE MAXIMUM DISTANCE BETWEEN JOINTS IN WALKWAYS SHALL BE EQUAL TO THE WIDTH OF THE WALKWAY

OR EVERY 10 FEET, WHICHEVER IS LESS, UNLESS OTHERWISE NOTED.

6. 6. REFER TO THE ARCHITECTURAL AND/OR STRUCTURAL PLANS FOR INFORMATION ON ALL PROPOSED

BUILDINGS, BUILDING APPURTENANCES, OR OTHER STRUCTURES.

7. THE CONTRACTOR SHALL COORDINATE ALL PAVEMENT OPENINGS WHICH IMPACT PEDESTRIAN ACCESS AND/OR CREATE VEHICULAR INTERRUPTIONS WITH TYLER CARVELL, PITKIN COUNTY, AND THE COLORADO

DEPARTMENT OF TRANSPORTATION AT LEAST 72 HOURS PRIOR TO BEGINNING WORK.

8. FIRE TRUCK AND EMERGENCY ACCESS LANES SHALL BE MARKED IN ACCORDANCE WITH THE INTERNATIONAL

FIRE CODE AND THE REQUIREMENTS OF THE LOCAL FIRE DEPARTMENT.

9. ALL SIGNAGE AND STRIPING SHALL BE IN ACCORDANCE WITH THE FEDERAL HIGHWAY ADMINISTRATION’S

“MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES” UNLESS OTHERWISE NOTED.

10. ALL SIGNAGE LOCATIONS INTERNAL TO THE SITE SHALL BE COORDINATED WITH THE OWNER AT THE TIME OF INSTALLATION. SIGNAGE LEADING ONTO PUBLIC THOROUGHFARE SHALL BE INSTALLED AS SHOWN IN THE CONTRACT DOCUMENTS AND IN ACCORDANCE WITH THE PITKIN COUNTY AND COLORADO DEPARTMENT OF

TRANSPORTATION STANDARDS.

11. THIS SITE LIES WITHIN FEMA ZONE ‘X’ AND IS NOT AFFECTED BY THE 100-YEAR FLOODPLAIN AS SHOWN ON MAP

08097C0116E, EFFECTIVE 08.15.2019.

1. THE AREA OF DISTURBANCE IS 11.6 ACRES.

2. EROSION AND SEDIMENT CONTROL MEASURES SHALL BE IMPLEMENTED PRIOR TO ANY SOIL-DISTURBING

ACTIVITIES.

3. THE EROSION AND SEDIMENT CONTROL PLAN HAS BEEN PREPARED IN ACCORDANCE WITH THE MILE HIGH FLOOD DISTRICT FOR AUTHORIZATION TO DISCHARGE UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES), STORM WATER DISCHARGES ASSOCIATED WITH CONSTRUCTION ACTIVITY FOR

STAND ALONE CONSTRUCTION PROJECTS.

4. THE CONTRACTOR SHALL IMPLEMENT THE STORMWATER MANAGEMENT PLAN (SWMP) AND MAINTAIN A COPY ON-SITE AT ALL TIMES IN ACCORDANCE WITH STATE AND LOCAL GUIDELINES. THE CONTRACTOR SHALL BE ENTIRELY RESPONSIBLE FOR THE IMPLEMENTATION AND MAINTENANCE OF EROSION AND SEDIMENT CONTROL MEASURES. THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL GOVERN THE OVERALL EROSION CONTROL EFFORT, BUT THE CONTRACTOR IS RESPONSIBLE FOR ADJUSTING, MODIFYING, OR ADDING CONTROLS AS NEEDED THROUGHOUT CONSTRUCTION TO ENSURE COMPLIANCE WITH NPDES AND/OR LOCAL

GRADING PERMIT REGULATIONS.

5. GOOD HOUSEKEEPING MEASURES FOR MATERIALS STORAGE AND HANDLING, VEHICLE FUELING AND MAINTENANCE, SPILL RESPONSE AND CLEANUP, AND WASTE MANAGEMENT MUST BE FOLLOWED TO ENSURE

THAT RUNOFF FROM THE SITE IS FREE OF CONTAMINANTS.

6. ALL INSPECTION REPORTS SHALL BE AVAILABLE ON THE CONSTRUCTION SITE AT ALL TIMES AND SHALL BE

PRESENTED FOR REVIEW UPON REQUEST.

7. EROSION AND SEDIMENT CONTROL MEASURES SHALL BE MAINTAINED AT ALL TIMES AND MUST CONTINUE

UNTIL THE SITE IS PERMANENTLY STABILIZED IN ACCORDANCE WITH PERMIT REQUIREMENTS.

8. ANY DISTURBED AREA LEFT EXPOSED FOR A PERIOD OF GREATER THAN 14 DAYS SHALL BE STABILIZED WITH TEMPORARY SEEDING. DISTURBED AREAS THAT REMAIN IDLE AFTER 30 DAYS SHALL BE STABILIZED WITH

PERMANENT VEGETATION.

9. ALL SITE SOILS EXPOSED DURING DEMOLITION AND CONSTRUCTION, INCLUDING SOIL THAT IS STOCKPILED ON SITE, MUST BE PROTECTED FROM WIND AND RAIN EROSION THROUGH THE USE OF APPROPRIATE TEMPORARY

MEASURES.

10. WASTE CONTAINERS MUST BE CLOSED AND SECURED WHEN NOT IN USE AND AT THE END OF EACH WORKDAY.

THE CONTRACTOR IS RESPONSIBLE FOR PROPER CONTAINMENT OF ALL MATERIALS, INCLUDING TRASH, ON

THE SITE.

11. THE CONTRACTOR SHALL TAKE ALL NECESSARY PRECAUTIONS DURING DEWATERING OPERATIONS TO MINIMIZE SEDIMENT TRANSFER. DISCHARGING UNFILTERED WATER FROM AN EXCAVATION IS NOT

ACCEPTABLE.

12. THE CONTRACTOR IS RESPONSIBLE FOR MINIMIZING THE TRACKING OF MUD, SOIL, AND ROCK FROM CONSTRUCTION AREAS ONTO ROADWAYS. SEDIMENT TRACKED ONTO A ROADWAY MUST BE REMOVED DAILY.

13. BOTH STAGING AND STOCKPILE AREAS SHALL BE CLEARLY IDENTIFIED ON THE SITE AND SHALL BE BOUNDED ON THE DOWN-SLOPE SIDE BY SILT FENCE TO PROTECT AGAINST THE RELEASE OF ANY SEDIMENT. SUCH

AREAS SHALL BE LOCATED AWAY FROM STREAMS, PONDS, SWALES, AND CATCH BASINS.

14. THE CONTRACTOR SHALL TAKE ALL REASONABLE MEANS TO ELIMINATE THE TRANSPORT OF DUST FROM THE PROJECT SITE. SPECIAL MEASURES, SUCH AS PERIODICALLY APPLYING WATER TO THE WORK SITE, SHALL BE

INCORPORATED INTO THE CONTRACTOR’S WORK PLAN.

15. AFTER FINAL STABILIZATION IS ACHIEVED AND APPROVED BY THE CDPHE, ALL TEMPORARY EROSION AND

SEDIMENT CONTROL MEASURES SHALL BE REMOVED FROM THE SITE WITHIN 30 DAYS.

16. SITE INSPECTIONS SHALL BE CARRIED OUT BY A QUALIFIED STORMWATER MANAGER (QSM). THE QSM’S

CONTACT INFORMATION SHALL BE NOTED IN THE ON-SITE EROSION AND SEDIMENT CONTROL

DOCUMENTATION.

1. AFTER THE REMOVAL OF VEGETATION, TOPSOIL SHALL BE STRIPPED FROM THE SITE TO A DEPTH OF [3] INCHES AND SHALL BE STOCKPILED FOR SPREADING UPON THE FINAL GRADING OF SLOPES AND SWALES.

2. ALL SLOPES [4:1] (H:V) AND STEEPER SHALL BE STABILIZED IN ACCORDANCE WITH THE EROSION AND SEDIMENT CONTROL PLANS AND DETAILS. INSTALL THESE MEASURES PER THE SPECIFICATIONS AND THE

MANUFACTURER’S INSTRUCTIONS.

3. PROPOSED CONTOURS ARE APPROXIMATE AND ARE SHOWN TO DEMONSTRATE DESIGN INTENT. SPOT ELEVATIONS AND SLOPES SHALL BE USED FOR GRADING LAYOUT AND TO CONFIRM DESIGN COMPLIANCE.

4. NO WORK SHALL OCCUR WITHIN THE RIGHT-OF-WAY OR ON ADJACENT PROPERTY WITHOUT PRIOR APPROVAL

AND COORDINATION WITH THE RESPECTIVE OWNER.

5. ALL PROPOSED SPOT ELEVATIONS REPRESENT FINISHED GRADE, UNLESS OTHERWISE NOTED.

1. THE CONTRACTOR IS RESPONSIBLE FOR THE COORDINATION AND SEQUENCING OF DEMOLITION AS DESCRIBED BY THESE DOCUMENTS AND SPECIFICATIONS. THE CONTRACTOR SHALL OBTAIN ALL REQUIRED

PERMITS PRIOR TO COMMENCING DEMOLITION.

2. ALL EROSION AND SEDIMENT CONTROL DEVICES SHALL BE IN PLACE PRIOR TO THE START OF

SOIL-DISTURBING ACTIVITIES.

3. THE CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL EXISTING UTILITIES IN THE PROJECT AREA PRIOR TO STARTING CONSTRUCTION. THE CONTRACTOR SHALL CONTACT 811 A MINIMUM OF BUSINESS 3 DAYS PRIOR

TO EXCAVATION.

4. THE CONTRACTOR IS RESPONSIBLE FOR COORDINATION WITH ANY IMPACTED PRIVATE UTILITY (GAS, POWER, CABLE, ETC.). NOTIFY THE ENGINEER IMMEDIATELY OF ANY POTENTIAL CONFLICT WITH THE PROPOSED

DESIGN.

5. THERE MAY BE EXISTING UNMARKED UTILITIES PRESENT. THE CONTRACTOR IS RESPONSIBLE FOR VERIFYING LOCATIONS AND DETERMINING THE STATUS (I.E. ACTIVE OR INACTIVE) OF THESE UTILITIES TO THE MAXIMUM EXTENT POSSIBLE. SHOULD ANY UNMARKED UTILITIES BE DISCOVERED, THE CONTRACTOR SHALL

IMMEDIATELY NOTIFY BOTH THE ENGINEER AND UTILITY OWNER.

6. ALL MATERIAL GENERATED BY DEMOLITION SHALL BE HAULED FROM THE SITE AND LEGALLY DISPOSED OF AT AN APPROVED DISPOSAL FACILITY. IF ENVIRONMENTAL CONTAMINANTS ARE ENCOUNTERED DURING CONSTRUCTION, THE SOIL SHALL BE TESTED PRIOR TO DISPOSAL IN ACCORDANCE WITH ALL LOCAL, STATE, AND FEDERAL REGULATIONS. REFUSE MUST NOT BE LEFT ON THE PROJECT SITE, ON ADJACENT PROPERTIES, OR BURIED IN EXCAVATIONS.

7. ASPHALT AND CONCRETE DEMOLITION LIMITS THAT ARE ADJACENT TO EXISTING HARDSCAPE SHALL BE

DEFINED WITH A SAW CUT TO OBTAIN A CLEAN EDGE.

8. FENCING SHALL BE INSTALLED TO PREVENT UNAUTHORIZED INTERACTION WITH THE WORK AREA. ACCESS TO THE WORK AREA SHALL BE CLEARLY MARKED AS A CONSTRUCTION ENTRANCE AND SHALL BE LOCKED

OUTSIDE OF WORKING HOURS.

9. THE CONTRACTOR IS RESPONSIBLE FOR ALL NECESSARY TRAFFIC CONTROL AND RELATED PERMITTING

DURING CONSTRUCTION, PER LOCAL AND STATE STANDARDS.

10. THE CONTRACTOR IS RESPONSIBLE FOR REPAIRING OR REPLACING ANY ADJACENT CONCRETE, ASPHALT, FENCING, LANDSCAPING, OR OTHER EXISTING IMPROVEMENTS DAMAGED DURING CONSTRUCTION, WHICH HAVE NOT BEEN IDENTIFIED FOR DEMOLITION OR REMOVAL. THIS INCLUDES REPAIR OF ANY DAMAGE DUE TO CONSTRUCTION TRAFFIC. THE REPAIR SHALL LEAVE THE IMPROVEMENT IN A CONDITION THAT IS EQUAL TO

OR BETTER THAN THE CONDITION DOCUMENTED AT THE START OF THE PROJECT.

11. THE CONTRACTOR SHALL COORDINATE WITH THE OWNER ON ANY ITEMS NOTED TO BE SALVAGED.

12. THE CONTRACTOR SHALL FLAG OVERHEAD UTILITIES PRIOR TO MOBILIZATION IN ACCORDANCE WITH THE

UTILITY PROVIDER’S REQUIREMENTS.

13. THE CONTRACTOR SHALL STAKE ALL EXISTING ENVIRONMENTAL BUFFERS AND SETBACKS, AS NOTED ON THE

PLANS, PRIOR TO THE START OF WORK.

14. THE CONTRACTOR SHALL COORDINATE ALL RIGHT-OF-WAY IMPACTS WITH THE LOCAL JURISDICTION. THESE INCLUDE, BUT ARE NOT LIMITED TO, REDUCTION IN STREET LIGHTING, SIDEWALK ACCESS, AND LANE CLOSURES. THE CONTRACTOR SHALL OBTAIN ANY NECESSARY PERMITS IN ADVANCE OF THE IMPACT.

15. REFER TO THE GEOTECHNICAL REPORT PREPARED FOR THIS SITE BY HDR ENGINEERING, INC. DATED

03/14/2025 FOR SPECIFIC SITE DATA AND RECOMMENDATIONS.

SITE PLAN NOTES

GRADING AND DRAINAGE NOTESEROSION AND SEDIMENT CONTROL NOTES

DEMOLITION NOTESCONSTRUCTION SEQUENCE

1. OBTAIN ALL REQUIRED LAND DEVELOPMENT AND EROSION AND SEDIMENT CONTROL PERMITS FROM PITKIN COUNTY AND THE COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT BEFORE ANY LAND DISTURBING ACTIVITIES OCCUR. ALL PERMITS SHALL BE MAINTAINED ON-SITE THROUGHOUT CONSTRUCTION.

2. SCHEDULE AND HOLD A PRE-CONSTRUCTION MEETING TO DISCUSS THE PROJECT AND THE EROSION AND SEDIMENT CONTROL MEASURES THAT WILL BE UTILIZED THROUGHOUT CONSTRUCTION. ATTENDEES SHALL

INCLUDE REPRESENTATIVES FROM THE CONTRACTOR, OWNER, AND ENGINEER. IF APPLICABLE,

REPRESENTATIVES FROM THE PITKIN COUNTY SHALL BE INVITED TO ATTEND AS WELL.

3. INSTALL ALL PERIMETER EROSION AND SEDIMENT CONTROL MEASURES PRIOR TO ANY SOIL-DISTURBING

ACTIVITIES.

4. SITE WORK SHALL BE SEQUENCED TO LIMIT SITE DISTURBANCE TO THE SMALLEST AREA POSSIBLE.

5. BEGIN ROUGH GRADING OF THE SITE. STABILIZE DISTURBED AREAS AS DESCRIBED IN THE EROSION AND

SEDIMENT CONTROL NOTES.

6. INSTALL CONCRETE WASHOUT PRIOR TO BEGINNING CONCRETE INSTALLATION.

7. INSTALL SITE IMPROVEMENTS. MAINTAIN APPROPRIATE EROSION AND SEDIMENT CONTROL MEASURES AT ALL

TIMES. PROVIDE INLET PROTECTION FOR EACH STRUCTURE AT THE TIME OF INSTALLATION.

8. INSPECT EROSION AND SEDIMENT CONTROL MEASURES AT LEAST WEEKLY AND WITHIN 24 HOURS AFTER EACH WEATHER EVENT EXCEEDING ½ INCH OF TOTAL PRECIPITATION. ANY ACCUMULATED SEDIMENT SHALL BE REMOVED AND PLACED IN DESIGNATED DISPOSAL AREAS THAT ARE APPROVED BY BOTH THE CLIENT AND

PITKIN COUNTY. REPAIR OR REPLACE ANY MEASURES AS NECESSARY.

9. AS AREAS ARE BROUGHT TO FINAL GRADE, IMMEDIATELY APPLY PERMANENT SEEDING TO ESTABLISH COVER AND ADD MULCH AS APPLICABLE TO PROTECT THE SEED. APPLY EROSION CONTROL MATTING TO SLOPES AS

SPECIFIED IN THE CONTRACT DOCUMENTS.

10. ONCE CONSTRUCTION IS COMPLETE, VEGETATION HAS BEEN ESTABLISHED, AND THE SITE IS FULLY STABILIZED IN ACCORDANCE WITH NPDES AND/OR GRADING PERMIT REQUIREMENTS, ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES SHALL BE REMOVED FROM THE SITE UPON APPROVAL OF PITKIN COUNTY. ANY DISTURBANCE THAT OCCURS DURING REMOVAL OF THE MEASURES SHALL BE

IMMEDIATELY STABILIZED WITH PERMANENT SEEDING AND MULCH.

73207320

735073607370

EXISTING GROUNDWATER MONITORING

WELL TO BE REMOVED BY OTHERS

PRIOR TO MASS GRADING ACTIVITIES.

EXISTING STOCKPILES TO BE

RELOCATED BY OTHERS PRIOR

TO MASS GRADING ACTIVITIES.

EXISTING LEACHATE TANK TO BE

REMOVED BY OTHERS PRIOR TO

MASS GRADING ACTIVITIES

EXISTING LEACHATE PIPING TO BE

REMOVED BY OTHERS PRIOR TO

MASS GRADING ACTIVITIES.

CLEAR AND GRUB AREA TO

BE DISTURBED BY MASS

GRADING ACTIVITIES

EXISTING DRAINAGE

CULVERT TO BE REMOVED

EXISTING GUARDRAIL TO BE REMOVED

EXISTING ACCESS ROAD TO

REMAIN AND BE PROTECTED

EXISTING GUARDRAIL TO

REMAIN AND BE PROTECTED

EXISTING BUILDING TO

REMAIN AND BE PROTECTED

EXISTING STAGING AND

STORAGE AREA TO REMAIN

AND BE PROTECTED

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

1 04/11/25 DRAFT MASS GRADING

2 04/25/25 MASS GRADING PACKAGE

SURVEY/EXISTING

CONDITIONS

1" = 50'

MGP03

LEGEND

EXISTING PROPOSED

PROPERTY LINE

GUARDRAIL

1. SITE PLAN IS FOR REFERENCE ONLY AND PROPOSED SITE IMPROVEMENTS MAY BE REVISED

FOR FUTURE CONSTRUCTION DOCUMENTS

2. PRIOR TO COMMENCEMENT OF CONSTRUCTION, A LICENSED SURVEYOR SHALL STAKE THE

PROPERTY BOUNDARIES, AS WELL AS ANY PROTECTED AREAS OF THE SITE. THE

CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY OF ANY DISCREPANCIES FROM

THESE DOCUMENTS.

3. ALL SITE IMPROVEMENTS SHALL BE CONSTRUCTED IN STRICT COMPLIANCE WITH

SPECIFICATIONS AND CONSTRUCTION DOCUMENTS.

4. ALL STRAIGHT-LINE DIMENSIONS SHOWN ARE AT 90 DEGREES UNLESS OTHERWISE NOTED.

5. ALL DIMENSIONS ARE TO THE OUTSIDE FACE OF BUILDINGS, TO CENTERLINES, AND TO THE

EDGE OF PAVEMENT, UNLESS OTHERWISE NOTED.

6. THE MAXIMUM DISTANCE BETWEEN JOINTS IN WALKWAYS SHALL BE EQUAL TO THE WIDTH OF

THE WALKWAY OR EVERY 10 FEET, WHICHEVER IS LESS, UNLESS OTHERWISE NOTED.

SITE NOTES

PROPOSED FUTURE LIMITS OF

STORM-WATER MANAGEMENT FEATURE

EXISTING LEACHATE PIPE TO

BE REMOVED BY OTHERS

EXISTING EXTENTS OF WASTE

SURVEY CONTROL POINT

ASPHALT PAVEMENT TO BE REMOVED.

COORDINATE EXTENTS OF REMOVAL WITH LIMITS OF

DISTURBANCE FOR EARTHWORK ACTIVITIES.

DN

MOTHERLODE MERCANTILE

SCALEHOUSE

HOUSEHOLD

HAZARDOUS

WASTE

RECYCLING

CAMPUS

PROPOSED RETAINING WALL

LENGTH: 115 LF

AREA: +-920 SF

MAX HEIGHT: 16'

PROPOSED 8' "Z"

WALL

PROPOSED

GUARD RAIL

12'

12'

PROPOSED LIMITS OF

FUTURE STORMWATER

MANAGEMENT FEATURE

EXISTING EXTENTS OF

WASTE

EXISTING OVERHEAD

ELECTRICAL LINE TO

REMAIN

EXISTING UTILITY POLE

TO REMAIN

RETURN LANE

PROPERTY BOUNDARY

PROPOSED PATIO AREA

PROPOSED LANDSCAPE

AREA

LANDSCAPE AREA

EXISTING ROADWAY

TO REMAIN

LANDSCAPE AREA

LOADING DOCK

PAVEMENT

STRIPING

CONCRETE WALK

LANDSCAPE AREA

PAVEMENT STRIPING (TYP)

34'

.5'

25'

.5'

45'

40'

R50'

R30'

R5'

R50'

R15'

R25'

R15'

.71

'76'

R9 5'

PROPOSED WATER

STORAGE TANKS

.8'

40'

SWALE

18' 18'

20'

9'

EXISTING MAINTENANCE BUILDING

"YIELD TO TRUCKS"

SIGNAGE

R15'

R49'

R10'

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

100% MASS GRADING PACKAGE

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

FUTURE SITE PLAN

(FOR REFERENCE)

1" = 50'

MGP04

LEGEND

EXISTING PROPOSED

PROPERTY LINE

GUARDRAIL

1. SITE PLAN IS FOR REFERENCE ONLY AND PROPOSED SITE IMPROVEMENTS MAY BE REVISED

FOR FUTURE CONSTRUCTION DOCUMENTS

2. PRIOR TO COMMENCEMENT OF CONSTRUCTION, A LICENSED SURVEYOR SHALL STAKE THE

PROPERTY BOUNDARIES, AS WELL AS ANY PROTECTED AREAS OF THE SITE. THE

CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY OF ANY DISCREPANCIES FROM

THESE DOCUMENTS.

3. ALL SITE IMPROVEMENTS SHALL BE CONSTRUCTED IN STRICT COMPLIANCE WITH

SPECIFICATIONS AND CONSTRUCTION DOCUMENTS.

4. ALL STRAIGHT-LINE DIMENSIONS SHOWN ARE AT 90 DEGREES UNLESS OTHERWISE NOTED.

5. ALL DIMENSIONS ARE TO THE OUTSIDE FACE OF BUILDINGS, TO CENTERLINES, AND TO THE

EDGE OF PAVEMENT, UNLESS OTHERWISE NOTED.

6. THE MAXIMUM DISTANCE BETWEEN JOINTS IN WALKWAYS SHALL BE EQUAL TO THE WIDTH OF

THE WALKWAY OR EVERY 10 FEET, WHICHEVER IS LESS, UNLESS OTHERWISE NOTED.

SITE NOTES

EXISTING EXTENTS OF WASTE

PROPOSED FUTURE LIMITS OF

STORM-WATER MANAGEMENT FEATURE

PROPOSED ASPHALT PAVING

7360736573707375738073857390739574007405741074157420742574307435744074457450

746074

90749

FFE 7485.00

FFE 7467.00

FFE 7465.50

FFE 7485.00 3.40%

3.4 6%

1.35%

1.7 1%

2.9 6%

1.7 7%

1.71% 3.7:1

2.5:1

2.5:1

2.2 :1

3.2:1

3.0 :1

4.6 :1

4.7:1

2.0 :1

2.5:1

2.0 :1

2.0 :1

2.0 :1

8.9 0%

8.90%

8.90%

8.41%

8.90%

8.90%

4.8 4%

5.01%

3.1 4%

3.9 4%

1.98%

9.3 3%

10.21%

7.3:1

5.5 :1

8.9 4%

2.75%

2.5 :1 2.1:1

EL 7484.82

EL 7477.73

EL 7477.21

EL 7476.49

EL 7476.00

TW 7485.00

1.4:1

1.6:1

2.2 :1

4.2 2%

8.5 8%

4.1 4%

9.46%

2.0:1

2.0 :1

2.0:1

A

A

EL 7464.24

EL 7464.43

EL 7465.61

EL 7477.00

EL 7479.65

EL 7483.02EL 7483.98

EL 7484.18

EL 7483.61

EL 7502.00

EL 7502.00

EL 7488.51EL 7488.51

EL 7486.77EL 7486.77

EL 7476.08

EL 7474.19

EL 7476.40

EL 7474.87

EL 7471.73

EL 7468.43

EL 7467.34

EL 7468.38

EL 7476.85

EL 7478.88 7325733073357340734573507355736073657370737573807385739073957400

743074

742074

7485749074957500

2.5 :1

10+00

11+00

+0

13+00

14+00

15+00

+0

17+00

18+00

19+00

19+56.48

7468 7467

PROPOSED ROADWAY

EXISTING GRADE

10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15+50 16+00 16+50 17+00 17+50 18+00 18+50 19+00 19+50 19+75

-8.90%

-8.90%

-8.90%

ACCESS ROADWAY CENTERLINE PROFILE

H: 1"=50 V:1"=50

0+00 0+50 1+00

.05

.05

7.5

2'

50'

11'

2'

1'

VARIES

-1.78%

TYPICAL ACCESS ROADWAY CROSS SECTION

H: 1"=50 V:1"=50

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

1 04/11/25 DRAFT MASS GRADING

2 04/25/25 MASS GRADING PACKAGE

1" = 50'

MGP05

MASS GRADING

PLAN - NORTH

SLOPE ARROW0.40%X.XX%X.XX%

EXISTING CONTOUR W/ELEVATION (MAJOR)

EXISTING CONTOUR (MINOR)

NEW CONTOUR (MAJOR)

NEW CONTOUR (MINOR)

SWALE

1. CONTRACTOR TO FIELD VERIFY ANY EXISTING UTILITIES PRIOR TO CONSTRUCTION

ACTIVITIES.

GRADING NOTES

LEGEND

EXISTING PROPOSED

PROPERTY LINE

GUARDRAIL

EXISTING EXTENTS OF WASTE

PROPOSED FUTURE LIMITS OF

SEE SHEET MGP06 FOR CONTINUATION

SEE SHEET MGP02 FOR CONTINUATION

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

Project Status

Sheet Designer

Scale

AUTHOR

Series Name

1 04/11/25 DRAFT MASS GRADING

Weaver Consultants Group 7340 E. Caley Avenue, Suite 110 Centennial, CO 80111

2 04/25/25 MASS GRADING PACKAGE

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

M. ROHR

R. MCKINLEY

A. SHAHID

J. MIDKIFF

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer K. PRINDS

MASS GRADING

PLAN - SOUTH

MGP06

1" = 50'

7360736573707375738073857390739574007405741074157420742574307435744074457450

72857320

746074

90749

PROPERTY BOUNDARY

CF

CF

CD

VTC

VTC

LOD

LOD

LOD

LOD

LOD

LOD

CD

CD

CD

CD

CF

CF

CD

CD

SCR

LOD

LOD

LOD

LOD

LOD

LOD

LOD

LOD

LOD

LOD

LOD

LO

D

LO

D

LO

D LOD LOD LOD

LOD

LO

D

LO

D

LOD

LOD

LOD

LO

D

LOD

LOD

LO

D

LO

D

LO

D

LO

D

LOD

LOD

LOD

LOD

LO

D

LOD

LOD

LO

D

LO

D

LOD

LOD

LODLOD

LO

D

LOD

LOD

LOD

LOD

LOD

LO

D

LO

D

LO

D

LO

D

LO

D

LO

D

LO

D

LO

D

LOD

LO

D

LO

D

LO

D

LOD

CF

CF

C

F C

F C

F C

F

CF

CF

CF

CF

CF

CF

73307335734073457350735573607365737073757380

73907395

35 743574

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

1 04/11/25 DRAFT MASS GRADING

2 04/25/25 MASS GRADING PACKAGE

1" = 50'

MGP07

EROSION AND

SEDIMENTATION

CONTROL PLAN - NORTH

EXISTING CONTOUR W/ELEVATION (MAJOR)

EXISTING CONTOUR (MINOR)

NEW CONTOUR (MAJOR)

NEW CONTOUR (MINOR)

SWALE

1. CONTRACTOR TO FIELD VERIFY ANY EXISTING UTILITIES PRIOR TO CONSTRUCTION

ACTIVITIES.

GRADING NOTES

LEGEND

EXISTING PROPOSED

PROPERTY LINE

GUARDRAIL

EXISTING EXTENTS OF WASTE

PROPOSED FUTURE LIMITS OF

STORM-WATER MANAGEMENT FEATURE

CONTROL MEASURE (CM) LEGEND

CD CHECK DAM

LOD LOD LIMITS OF DISTURBANCE

CF CF CONSTRUCTION FENCE

VTC VEHICLE TRACKING CONTROL

SF SF SILT FENCE

SCR STABILIZED CONSTRUCTION ROAD

SEE SHEET MGP08 FOR CONTINUATION

CF

LOD

CD

CD

SCR

LO

D

LO

D

LO

D

LO

D

LOD

LOD

LOD

LO

D

LO

D

LO

D

LOD

LOD

LOD

LO

D

LO

D

LO

D

LO

D

LO

D

LOD

LO

D

LO

D

LOD

LO

D

LO

DLOD

CF

C F

C F

CF

C F

CF

CF

C F

C F

CF

CF

CF

CF

CF

C F

CF

CF

CF

CF

CF

C F

CF

CF

SEE SHEET MGP03 FOR CONTINUATION

VTC

SCR

CD

CD

CD

CD

CF

LOD

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

Project Status

Sheet Designer

Scale

AUTHOR

Series Name

1 04/11/25 DRAFT MASS GRADING

Weaver Consultants Group 7340 E. Caley Avenue, Suite 110 Centennial, CO 80111

2 04/25/25 MASS GRADING PACKAGE

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

M. ROHR

R. MCKINLEY

A. SHAHID

J. MIDKIFF

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer K. PRINDS

EROSION AND

SEDIMENTATION

CONTROL PLAN - SOUTH

MGP08

1" = 50'

CONTROL MEASURE (CM) LEGEND

CD

LOD LOD

CF CF

VTC

SF SF SF

SCR

SILT FENCE

NTS

MGP04

CONSTRUCTION FENCE

NTS

MGP04

VEHICLE TRACKING CONTROL

NTS

MGP04

CHECK DAM

NTS

MGP04

STABILIZED CONSTRUCTION ROADWAY

NTS

MGP04

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

1 04/11/25 DRAFT MASS GRADING

2 04/25/25 MASS GRADING PACKAGE

1" = 50'

MGP09

EROSION AND

SEDIMENTATION

CONTROL DETAILS

746074

-5

-4

-3

-2

-6

-10

-12

-7

-4

-1

-1

-17

-24

-13

-7

-6

-2

-1

-12

-17

-18

-20

-6

-9

-2

-1

-6

-16

-17

-23

-22

-21

-16

-2

-27

-20

-24

-19

-13

-17

-13

-7

-2

-4

-13

-15

-10

-14

-16

-12

-9

-4

-11

-18

-15

-11

-7

-18

-16

-13

-8

-4

-2

-11

-11

-9

-5

-11

-11

-12

-8

-3

-11

-3

-12

-9

-5

-1

-13

-13

-1

-6

-2

-13

-11

-6

-2

-1

-22

-4

-8

-21

-17

-8

-5

-10

-16

-23

-23

-16

-12

-2

-10

-13

-17

-13

-9

-8

-4

-5

-8

-7

-4

-1

Cut/Fill Summary Name

Earthwork

Totals

Cut Factor

1.000

Fill Factor

1.000

2d Area

486854.47 Sq. Ft.

486854.47 Sq. Ft.

Cut

109830.86 Cu. Yd.

109830.86 Cu. Yd.

Fill

49615.30 Cu. Yd.

49615.30 Cu. Yd.

Net

60215.56 Cu. Yd.<Cut>

60215.56 Cu. Yd.<Cut>

NOT FOR CONSTRUCTION

PRELIM

INARY

PITKIN COUNTY

SOLID WASTE

CENTER

MASS GRADING

32046 Jack Gredig Lane, Aspen, CO 81611

10406338

ISSUE DATE DESCRIPTION

Project Number

Sheet Number

Sheet Name

1670 Broadway, Suite 3400 Denver, CO 80202 303-764-1520

Project Status

Project Manager Project Architect Landscape Architect Civil Engineer Structural Engineer Mechanical Engineer Electrical Engineer

Fire & Life Safety

Sheet Designer

Scale

AUTHOR

M. ROHR

R. MCKINLEY

A. SHAHID

N. ANDERSON

C. MULDERICK

K. PRINDS

B. JOHNSON

R. GONZALES

Plumbing Engineer

0 1/2" 1" 2"

K. PRINDS

Series Name

1 04/11/25 DRAFT MASS GRADING

1" = 50'

MGP08

CUT / FILL

EARTHWORK

QUANTITIES

EXISTING CONTOUR W/ELEVATION (MAJOR)

EXISTING CONTOUR (MINOR)

NEW CONTOUR (MAJOR)

NEW CONTOUR (MINOR)

1. CONTRACTOR TO FIELD VERIFY ANY EXISTING UTILITIES PRIOR TO CONSTRUCTION

ACTIVITIES.

GRADING NOTES

LEGEND

EXISTING PROPOSED

PROPERTY LINE

GUARDRAIL

EXISTING EXTENTS OF WASTE

PROPOSED FUTURE LIMITS OF

MGP10