DRO UPPER OVERFLOW PARKING LOT - CONSTRUCTION DRAWINGS- STAMPED.pdf

AIR

PORT R

D

DURANGO-L

A P

LA

TA

COUNTY

A

IR

PORT

COMMERCIA

L A

PRON

TA

XIW

AY A

RUNW

AY 3-

BM 60

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DARREN STEWART, PE

11/17/2023 0038976

I HEREBY CERTIFY THAT THIS PLAN WAS PREPARED BY ME OR UNDER MY

DIRECT SUPERVISION AND THAT I AM A DULY LICENSED PROFESSIONAL

ENGINEER UNDER THE LAWS OF THE STATE OF COLORADO.

PROJECT NO.

Signature

Date: Lic. No.

N.T.S.

PROJECT LOCATION

Know what's below.

before you dig.Call

R of

PHONE: 970.385.4546

934 MAIN AVENUE

SUITE C

DURANGO, CO 81301

www.sehinc.com

CITY OF DURANGO

173398

LA PLATA COUNTY

DURANGO - LA PLATA COUNTY AIRPORT

DURANGO, COLORADO

UPPER OVERFLOW

PARKING LOT EXPANSION

NOTE:

THE SUBSURFACE UTILITY QUALITY INFORMATION IN THIS PLAN IS LEVEL D.

THIS UTILITY QUALITY LEVEL WAS DETERMINED ACCORDING TO THE

GUIDELINES OF CI/ASCE 38-02 ENTITLED "STANDARD GUIDELINES FOR THE

COLLECTION AND DEPICTION OF EXISTING SUBSURFACE UTILITY DATA."

THE CONTRACTOR SHALL CALL THE COLORADO 811 CALL SYSTEM AT

811 BEFORE COMMENCING EXCAVATION.

PROJECT LOCATION

Sheet List Table

SHEET NUMBER SHEET TITLE

1 COVER SHEET

2 GENERAL NOTES

3 TABULATION OF QUANTITIES

4 TYPICAL SECTION

5 PROJECT SITE, CONTROL, AND

STAGING PLAN

6 WASTE MATERIAL HAUL ROUTE

7 DEMOLITION AND REMOVAL PLAN

8 HORIZONTAL CONTROL PLAN

9 FENCING PLAN

10 OVERALL GRADING AND DRAINAGE

PLAN

11 ADA PARKING IMPROVEMENTS PLAN

12 STRIPING AND SIGNAGE PLAN

13 LIGHTING PLAN

14 ELECTRICAL DETAILS

15 ELECTRICAL SPECIFICATIONS

16 EROSION CONTROL PLAN

17 EROSION CONTROL DETAILS

18 PAVING AND GRADING DETAILS

19 FENCING DETAILS

20 SIGN DETAILS

21 EROSION CONTROL ALT 1

VICINITY MAP

SCALE: 1"=200'

OLIVIER BOSMANS

JESSIKA BUELL (MAYOR PROTEM)

DAVE WOODRUFF

GILDA YAZZIE

JOSE MADRIGAL

TONY VICARI (DIRECTOR OF AVIATION)

DENNIS RAY (FIRE CHIEF/PUBLIC SAFETY MANAGER)

BRAD RIDDLE (OPERATIONS ADMINISTRATOR)

CONTACT PHONEORGANIZATION

ENGINEER (PRIME)

SURVEYOR

DIBBLE

ENGINEER (CIVIL) SEH 920-385-4546

303-872-5756

SEH 920-385-4546

MAYOR

MELISSA YOUSSEF

CITY COUNCIL

CITY MANAGER

AIRPORT MANAGEMENT

GEOTECHNICAL TRAUTNER 970-259-5095

PROJECT BENCHMARK

POINT NO. #60

NORTHING: 87128.9240

EASTING: 43531.7710

ELEVATION: 6672.57

DESCRIPTION: SEARCH_NGS_WILSON

COORDINATION LIST

12/21/23

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Description DateSEH Project Revision Issue of##

173398

GENERAL NOTES

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

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Description DateSEH Project Revision Issue of##

173398

TABULATION OF QUANTITIES

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

DS

SIGN (NON STREET NAME)

EDGE OF WOODED AREA

BUSH / SHRUB AND STUMP

DECIDUOUS AND CONIFEROUS TREE

BUILDING

STREET NAME SIGN

SANITARY SEWER SERVICE & CLEANOUT

WATER SERVICE AND CURB STOP BOX

WATER MAIN, HYDRANT, VALVE AND MANHOLE

STORM SEWER, MANHOLE AND CATCH BASIN

SANITARY SEWER AND MANHOLE

PERMANENT EASEMENT

SOIL BORING

LIGHT POLE

OVERHEAD WIRE, POLE AND GUY WIRE

GAS MAIN, VALVE, VENT AND METER

BURIED TV CABLE, PEDESTAL AND MANHOLE

II

FM

CULVERT AND APRON ENDWALL

FORCE MAIN AND LIFT STATION

RIGHT OF WAY

EXISTING

P-BUR

E

T T

G G

6" 6"

CO

BURIED PHONE CABLE, PEDESTAL AND MANHOLE

BURIED FIBER OPTIC CABLE AND MANHOLEFO

TV-BUR

TV

G

T-BUR

WETLANDWET

HH

PROPERTY LINE

HANDHOLE

POST / BOLLARD

HORIZONTAL CONTROL POINT

BENCHMARK

SURVEY MARKER

XX"

G

LIFT

TV

P

E

XX

E

BURIED ELECTRIC CABLE, PEDESTAL, MANHOLE,

TRANSFORMER AND METER

ST

W

S

BM

6+00

I

PROPOSED

FM

STORM SEWER, MANHOLE AND CATCH BASIN

DRAIN TILE

CULVERT AND APRON ENDWALL

DITCH / SWALE

SANITARY SERVICE AND CLEANOUT

RIGHT-OF-WAY

TEMPORARY EASEMENT

PERMANENT EASEMENT

WATER SERVICE AND CURB STOP BOX

SANITARY SEWER, BULKHEAD AND MANHOLE

WATER MAIN, TEE, HYDRANT, BULKHEAD AND VALVE

FORCE MAIN

STREET CENTERLINE

CONSTRUCTION LIMITS

WATER VALVE MANHOLE, REDUCER, BEND AND CROSS

RIPRAP

STREET NAME SIGN

SIGN (NON STREET NAME)

RETAINING WALL

S

ST

W

PROPOSED FENCEXC

LEGEND

DURANGO LA PLATA COUNTY AIRPORT

UPPER OVERFLOW PARKING LOT EXPANSION - 100% SUBMITTAL

Short Elliot Henrickson, Inc.

LINE NO. DESCRIPTION UNIT APPROX. QTY AS-BUILT QTY

GENERAL

1 Mobilization/General Conditions LS 1

2 Clearing and Grubbing LS 1

3 Construction Surveying LS 1

4 Record Drawings LS 1

5 Quality Control / Testing LS 1

Erosion Control/ Storm Water Management (Pre-Construction and During Construction) LS 1

PARKING LOT IMPROVEMENTS

7 Excavation CY 2340 8 Embankment CY 305

9 Asphalt Removal SY 360

10 Removal of Culverts EA 2

11 Removal of Light Poles EA 2

12 Asphalt Paving (HMA) (4-in thick) SY 8750

13a Aggregate Base Course (CDOT Class 6) (4-in thick) SY 9167

13b Aggregate Base Course (CDOT Class 2)/Millings (6-in thick) SY 9167 14 3-FT Concrete Pan LF 448 15 Curb and Gutter LF 1396 16 Pavement Marking paint (Waterborne) SF 1880

17 Removal of Fence LF 727 18 Fencing LF 793 19 Remove and Relocate Double Swing Gate EA 1 20a Signage (Tubular Steel Support) EA 2

20b Signage (Light Pole Mounted) EA 11

21a Lighting Unit Type 1 EA 3

21b Lighting Unit Type 2 EA 3

21c Lighting Unit Type 3 EA 1

21d Light Foundation Design Special EA 7

22a 2" Non-Metallic Conduit LF 1013

22b Underground Wire 1/C 6 AWG LF 3522 23 Native Seeding SY 2080 24 Topsoil CY 595

OFFSITE IMPROVEMENTS: ADA PARKING

25 Removal of Existing Concrete SF 896 26 Removal of Curb and Gutter LF 138 9 Asphalt Removal SY 16 7 Excavation CY 60

27 Concrete Sidewalk SF 896 28 Variable Height Curb LF 138 12 Asphalt Paving (HMA) (4-in thick) SY 16

13a Aggregate Base Course (CDOT Class 6) (4-in thick) SY 48 13b Aggregate Base Course (CDOT Class 2) (6-in thick) SY 48 15 Curb and Gutter LF 138 29 Concrete Wheel Stop EA 12 16 Pavement Marking paint (Waterborne) SF 310 20a Signage (Tubular Steel Support) EA 12

ADD ALTERNATE #1

30 Cobble Landscape Cover SY 2080

1-FT

ASPHALT

3-FT

CONCRETE

PAN

11.75-FT

ASPHALT 60°

PARKING SPACES

1.5-FT

SPILL

CURB &

GUTTER

7-FT LANDSCAPE/WALL AREA

1.5-FT

CATCH

CURB &

GUTTER

86-FT ASPHALT PARKING LOT 86-FT ASPHALT PARKING LOT

1.5-FT

CATCH

CURB &

GUTTER

12-FT LANDSCAPE AREA

7-FT TALL

PERIMETER

FENCE

GRASS LINED SWALE

SEE SHEET 18 FOR DETAILS

1.5%1.5%

2:1 MAX2:1 MAX

TYPICAL SECTION

NTS

DEPTH VARIES

SLOPE VARIES

CONNECT TO EXISTING PAVEMENT

CONNECT TO EXISTING GRADE

1-IN DROP TO LANDSCAPE FINISHED GRADE (TYP.)

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## 21##

173398

TYPICAL SECTION

DURANGO AIRPORT UPPER

OVERFLOW PARKING LOT EXPANSION

LA PLATA COUNTY

Rev.#

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Description DateSEH Project Revision Issue of

THICKENED EDGE SECTION

NTS

8" ASPHALT BUFFER

2-FT

4" ASPHALT

4" CLASS 6

12" SCARIFIED AND

COMPACTED SUBGRADE

6" MILLINGS OR CLASS 2

ASPHALT PAVEMENT PARKING

LOT SECTION

NTS

4" ASPHALT

4" CLASS 6

12" SCARIFIED AND

COMPACTED SUBGRADE

6" MILLINGS OR CLASS 2

TAPERED EDGE SECTION

NTS

2-FT

4" ASPHALT

4" CLASS 6

12" SCARIFIED AND

COMPACTED SUBGRADE

6" MILLINGS OR CLASS 2

EXISTING GRAVEL SURFACE

FILL IN WEDGE WITH CLASS 6

MATERIAL AT TRANSITION

S CO

P

P P

P P

P

X

X X

XXXXX

XX

>> FO

X

X

X PPPPPPPP

PPPP

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X

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XX

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X

XXXX

CP 102 - 1IN OPC

CP 101 - 1IN OPC

BM 60 - SEARCH NGS WILSON

XCXCXCXCXCXCXC

AIRPORT ROAD

SOUTH GA APRON

LIMITS OF STAGING AREA.

SEE NOTE 1 OF STAGING NOTES

CREDIT CARD LOT

LOWER OVERFLOW LOT

TO REMAIN OPEN TO PUBLIC

PROJECT SITE

PARKING REVENUE

CONTROL GATE

PROPOSED FENCE IS REQUIRED

TO BE INSTALLED BEFORE EXISTING

FENCE IS REMOVED

TEMPORARY PUBLIC ACCESS WHEN

PRIMARY ACCESS IS UNDER

CONSTRUCTION. SEE NOTE 3 OF

STAGING NOTES

12-FT

ADA PARKING

MODIFICATIONS

AIRFIELD SERVICE ROAD

UPPER OVERFLOW

LOT EXPANSION

PROPOSED LIGHT (TYP.)

BARRICADES TO BE USED

AND PLACED 5-FT OFFSET

FROM ASPHALT SAWCUT LINE (TYP.)

TEMPORARY DRIVE AISLE

DURING CONSTRUCTION

LIMITS OF DISTURBANCE

TEMPORARY BARRICADES TO BE

RELOCATED WHEN PRIMARY

ACCESS IS UNDER CONSTRUCTION

SEE NOTE 4 OF STAGING NOTES

EXISTING FENCE TO BE REMOVED

SMALL CAR/ PERSONALVEHICLE ACCESS

TR

U

C K

AC

C

ES

S

PARKING ROW TO BE CLOSED

DURING CONSTRUCTION

PARKING AREA TO BE CLOSED

DURING CONSTRUCTION

EXISTING CABLE FENCE

EXISTING FENCE (TYP.)

EXISTING CHAIN LINK FENCE

TEMPORARY ACCESS FOR

VEHICLES, CONTRACTOR TO

SECURE WHEN NOT IN USE.

EXPANDED

OVERFLOW LOT

PARKING TO

REMAIN OPEN TO

PUBLIC

POINT #

RAW DESCRIPTION

CP 102 - 1IN OPC

CP 101 - 1IN OPC

BM 60 - SEARCH NGS WILSON

ELEVATION

6659.810

6662.360

6672.570

NORTHING

1186612.7260

1186541.8680

1187128.9240

EASTING

2343265.8980

2343530.4810

2343531.7710

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Description DateSEH Project Revision Issue of##

173398

PROJECT SITE, CONTROL, AND STAGING PLAN

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

SURVEY CONTROL NOTES:

1. THE HORIZONTAL DATUM USED FOR THIS SURVEY IS

COLORADO SOUTH STATE PLANE ZONE MODIFIED TO

GROUND SYSTEM.

2. THE VERTICAL DATUM IS NAVD88 (GEOID18) AND THE

BENCHMARK IS BM 60 EL=6672.57

3. SURVEY WAS COMPLETED BY SEH ON 6/28/2023

CONTROL POINT LEGEND:

CONTROL POINT LOCATION

STAGING NOTES:

1. CONTRACTOR TO LIMIT STAGING TO DEFINED AREA.

2. PUBLIC ACCESS TO LOWER OVERFLOW AND RENTAL

CAR LOTS SHALL BE MAINTAINED THROUGHOUT THE

SPAN OF CONSTRUCTION.

3. CONTRACTOR TO LIMIT CLOSURE OF PRIMARY ACCESS

TO MINIMUM TIME PERIOD POSSIBLE. DURING

CONSTRUCTION OF PRIMARY ACCESS, CONTRACTOR

TO PROVIDE TEMPORARY ACCESS AS SHOWN.

CONTRACTOR SHALL PROVIDE APPROPRIATE

FENCING/SIGNAGE/TRAFFIC CONTROL TO KEEP PUBLIC

AWAY FROM WORK ZONE. CONTRACTOR TO SUBMIT

TRAFFIC CONTROL PLAN TO AIRPORT FOR APPROVAL

PRIOR TO STARTING WORK

4. RELOCATE BARRICADES AS NECESSARY FOR PAVING

OPERATION.

STAGING LEGEND:

PUBLIC ACCESS TO PARKING

CONSTRUCTION ACCESS TO SITE

PROJECT SITE

WASTE HAUL OFF ROUTE

AIRFIELD GATE ACCESS

OPTIONAL WASTE

DISPOSAL AREA

RUNWAY

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Description DateSEH Project Revision Issue of##

173398

WASTE MATERIAL HAUL ROUTE

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

S CO CO

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RIM 6676.54

INV

INV

INV

INV

INV

INV

X X

XXXXXXX

X

X X

X

REMOVE 727 LF SECTION

OF EXISTING FENCE

SEE NOTE 1 AND 2

EXISTING EDGE OF

GRAVEL (TYP.)

REMOVE (2) EXISTING 6-IN

CULVERTS

EXISTING EDGE OF

GRAVEL

REMOVE (2)

EXISTING LIGHT

POLES

EXISTING BURIED

TELEPHONE LINE

PROTECT IN PLACE (TYP.)

EXISTING BURIED

POWER LINE PROTECT

IN PLACE (TYP.)

EXISTING WATERLINE

PROTECT IN PLACE (TYP.)EXISTING 8-IN SEWER LINE

PROTECT IN PLACE (TYP.)

REMOVE AND RELOCATE 32-FT

DOUBLE-SWING CHAIN LINK GATE

REMOVE APPROX. 111-SY

EXISTING ASPHALT.PROTECT EXISTING

CURB AND PAN

DEMO ASPHALT

250-SY

EXISTING CATCH BASIN

PROTECT IN PLACE

(TYP.)

EXISTING 18-IN STORM DRAIN

PROTECT IN PLACE

AI

R

PO

R

T R

O

AD

SOUTH GA APRON

COMMERCIAL

APRON

REMOVE EXISTING

SIGN

EXISTING UTILITY PEDESTAL

PROTECT IN PLACE

END FENCE REMOVAL

BEGIN FENCE REMOVAL

LOWER OVERFLOW LOT

CREDIT CARD LOT

AIRFIELD SERVICE ROAD

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Description DateSEH Project Revision Issue of##

173398

DEMOLITION AND REMOVAL PLAN

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

DS

NOTES:

1. FENCE REMOVAL LIMITS ARE APPROXIMATE.

FENCE TO BE REMOVED TO NEAREST POST

BEYOND LIMITS.

2. SIGNS ON EXISTING FENCE SHALL BE SALVAGED

AND USED ON PROPOSED FENCE.

P

P P

P

P

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X X

X X

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X

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INV

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X X

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X

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XCXCXCXCXCXCXCXCXCXCXC

XC

12-FT

30-FT

12-FT

24-FT (TYP.)

24-FT

24-FT

12-FT

MIN.

PARKING DIMENSIONS (TYP.):

- 90° STALL ANGLE

- 9-FT STALL WIDTH

- 16-18-FT STALL DEPTH

SEE NOTE 1

PARKING DIMENSIONS (TYP.):

- 60° STALL ANGLE

- 10.4-FT STALL WIDTH

- 16-FT STALL DEPTH

SEE 60° PARKING STALL DETAIL

4-IN SOLID YELLOW

STRIPING (TYP.)

AI

R

PO

R

T R

D

COMMERCIAL APRON

SOUTH GA APRON

R38-FT

R10-FT

EXISTING CATCH BASIN

3-FT CONCRETE PAN (TYP.)

SEE SHEET 18 FOR DETAIL

EXISTING UTILITY PEDESTAL

TO REMAIN IN PLACE

23-FT

PROPOSED GRASS LINED SWALE

SEE SHEET 18 FOR DETAIL

PROPOSED FENCE

SEE SHEET 19 FOR DETAILS

EXISTING FENCE (TYP.)

PROPOSED CATCH BASIN

TO BE CAST IN PLACE

SEE SHEET 18 FOR DETAILS

EXISTING GAS LINE

R30-FT

EXTEND CURB AT 31° FOR 5-FT

THEN TRANSITION TO RIP RAP

SEE SHEET 18 FOR DETAIL

EXTEND CURB AT 25° FOR 5-FT

THEN TRANSITION TO RIP RAP

SEE SHEET 18 FOR DETAIL

PROPOSED GRASS LINED SWALE

SEE SHEET 18 FOR DETAIL

3-FT CONCRETE CROSS PAN

SEE SHEET 18 FOR DETAIL

THICKENED ASPHALT EDGE (TYP.)

SEE SHEET 4 FOR DETAIL

LIGHT POLE (TYP.)

SEE SHEET 13 FOR DETAILS

LOWER OVERFLOW LOT

CREDIT CARD LOT

AIRFIELD SERVICE ROAD

SAWCUT 1-FT OFF OF

CONCRETE PAN (TYP.)

CATCH CURB.

SEE SHEET 18 FOR DETAIL

SPILL CURB.

SEE SHEET 18 FOR DETAIL

CATCH CURB.

SEE SHEET 18 FOR DETAIL

SPILL CURB.

SEE SHEET 18 FOR DETAIL

PARKING LOT ASPHALT SECTION (TYP.).

SEE SHEET 4 FOR DETAIL

4-IN DIAGONAL STRIPING (TYP.)

SEE SHEET 12 FOR DETAILS

EOP - 2

N: 1187057.94 E: 2344059.42

TBOC - 3

N: 1187047.64 E: 2344072.87

TBOC - 4

N: 1186992.48 E: 2344028.50

TBOC - 5

N: 1186988.09 E: 2344033.95

TBOC - 6

N: 1187043.23 E: 2344078.31

TBOC - 7

N: 1186931.52 E: 2344215.60

TBOC - 8

N: 1186618.97 E: 2343964.21

TBOC - 9

N: 1186730.83 E: 2343827.03

TBOC - 10

N: 1186963.94 E: 2344014.53

TBOC - 11

N: 1186968.32 E: 2344009.07

TBOC - 12

N: 1186720.27 E: 2343809.55

EOP - 13

N: 1186731.24 E: 2343795.91

EOP - 14

N: 1187069.89 E: 2344067.78

EOP - 15

N: 1186667.95 E: 2343906.56

EOP - 16

N: 1186666.37 E: 2343892.38

EOP - 17

N: 1186695.73 E: 2343872.41

EOP - 18

N: 1186681.79 E: 2343873.95

EOP - 19

N: 1186669.31 E: 2343864.14

EOP - 20

N: 1186664.29 E: 2343822.04

EOP - 21

N: 1186611.96 E: 2343849.68

EOP - 22

N: 1186653.25 E: 2343798.07

EOP - 23

N: 1186700.82 E: 2343778.87

CHANGE FROM THICKENED ASPHALT EDGE

TO TAPERED EDGE SECTION.

TAPERED EDGE SECTION (TYP.)

SEE SHEET 4 FOR DETAIL

9-FT (TYP.)

18-FT (TYP.)

16-FT (TYP.)

TIE INTO EXISTING GRADE (TYP.)

3.0-FT

10.4-FT

19.6-FT9.0-FT

TOP BACK OF CURB

FLOWLINE

EDGE OF PAVEMENT

3-FT CONCRETE PAN

EDGE OF DRIVE AISLE

60° PARKING STALL DETAIL

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Description DateSEH Project Revision Issue of##

173398

HORIZONTAL CONTROL PLAN

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

NO. PARKING

STALLS

PAVEMENT AREA

(ACRES)

STALLS PER

ACRE

276 1.80 154

GF

SF

DS

NOTES:

1. 2-FT REDUCTION IN 90° PARKING SPACES

DEPTH WHERE PARKING ABUTS CURB.

LEGEND:

EOP EDGE OF PAVEMENT

TBOC TOP BACK OF CURB

P

P P

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X X

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X X X X

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PPPP

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PP

RIM 6676.54

INV

INV

INV

INV

INV

INV

X X

XXXXXXX

X

X X

X

XCXCXCXCXCXCXCXCXCXCXC

XC

12-FT

12-FT

MIN.

RELOCATED 32-FT

DOUBLE-SWING

CHAIN LINK GATE

SEE NOTE 4

CONNECT TO EXISTING FENCE

N: 1186387.42 E: 2343715.90

CONNECT TO EXISTING FENCE

N: 1186940.91 E: 2344223.07

N: 1186933.32 E: 2344232.45

N: 1186347.83 E: 2343761.51

AI

R

PO

R

T R

D

SOUTH GA APRON

COMMERCIAL APRON

793-LF PROPOSED CHAIN LINK

FENCE. SALVAGED RESTRICTED

AREA SIGNS TO BE RELOCATED AT

LEAST EVERY 300-FT. SEE SHEET

19 FOR DETAILS

10-FT FROM

SOUTH

GA APRON

LOWER OVERFLOW LOT

CREDIT CARD LOT

AIRFIELD SERVICE ROADS

Sa ve

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30 6030

Rev.#

Designed By

Drawn By

Checked By

Description DateSEH Project Revision Issue of##

173398

FENCING PLAN

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

DS

NOTES:

1. PROPOSED FENCE SHALL BE INSTALLED PRIOR TO

THE REMOVAL OF EXISTING FENCE.

2. WHEN THERE IS A BREAK IN THE FENCE, A BADGED

PERSON MUST BE ONSITE. IF A BREAK IN THE

FENCE CAN NOT BE FIXED BY THE END OF THE

DAY, AN 8-FT TEMPORARY FENCE IS ACCEPTABLE.

3. WORK CONDUCTED BEHIND THE FENCE IS WITHIN

THE AIR OPERATIONS AREA (AOA), THEREFORE

AIRPORT SECURITY REQUIREMENTS SHALL BE

ADHERED TO. REFER TO PROJECT SPECIAL

CONDITIONS.

4. CONTRACTOR TO REINSTALL EXISTING GATE AT

NEW LOCATION WITH CONCRETE BASES AND

CENTER REST PER CDOT M-607-2 STANDARD

DRAWINGS. CONCRETE BASE FOR GATE POSTS

SHALL BE 48" DEEP X 18" DIAMETER.

P P

P P

P

XX

X X

X X

X X

IIIIIIIIIIII

IP-BUR P-BUR

P-BUR P-BUR P-BUR

P-BUR P-BUR P-BUR P-BUR

P-BUR

P-BUR

P-BU

R

P-BU

R

P-BU

R

P-BU

R

P-BU

R P-BURP-BURP-BUR

P-BURP-BURP-BURP-BURP-BURP-BURP-BURP-BUR

G G G G G G

FO

FO T-BUR

T-BUR

T-BU

R

T-BUR

T-BU

R

T-BU

R

T-BU

R

T-BU

R

T-BU

R

T-BU

R

T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR

T-BUR

T-BUR

T-BUR

T-BUR

X X

X

XX

XCXCXCXCXCXCXCXCXCXCXCXCXCXC

756668

70 66

72 66 73 66

74 66 76 66

2.1 2%

CONNECT TO EXISTING

CURB AND GUTTER AND

CROSS PAN

EAST SWALE

N=1186927.28 E=2344220.86

ELEV.=6674.05

WEST SWALE

N=1186725.42 E=2343799.86

ELEV.=6667.65

PROPOSED CATCH BASIN

N=1186674.48 E=2343848.61

RIM ELEV.=6666.50

INVERT ELEV.=6663.57

EXISTING CATCH BASIN

N=1186636.84 E=2343895.31

RIM ELEV.=6665.21

3-FT CONCRETE PAN

N=1186730.30 E=2343797.08

ELEV.=6667.94

3-FT CONCRETE PAN

N=1187057.00 E=2344060.59

ELEV.=6676.36

EXISTING EDGE

OF PAVEMENT

PROPOSED FENCE

EXISTING FENCE

2.1 2%

2.13%

2.10%

2.63%

2.44%2.73%

2.64% 2.77%

EXISTING UTILITY PEDESTAL

TO REMAIN IN PLACE

PROPOSED CAST IN PLACE

CONTRACTOR TO VERIFY LOCATION

AND DEPTH OF EXISTING STORM

PIPE PRIOR TO CONSTRUCTION

SEE SHEET 18 FOR DETAIL

8-IN DEEP RIP RAP LINED CHANNEL

SEE SHEET 18 FOR DETAILS

EAST SWALE

0.8 -FT DEEP GRASS LINED SWALE

ROUTED AROUND PARKING LOT

WITH 2:1 MAX SLOPES

SEE SHEET 18 FOR DETAILS

WEST SWALE

1-FT DEEP GRASS LINED SWALE

WITH MAX 2:1 MAX SIDE SLOPES

SEE SHEET 18 FOR DETAILS

EXISTING EDGE OF MILLINGS

EXISTING 18-IN CMP

STORM LINE

EXISTING CATCH

BASIN (TYP.)

3-FT CONCRETE PAN

SEE SHEET 18 FOR DETAILS

8-IN DEEP RIP RAP LINED CHANNEL

SEE SHEET 18 FOR DETAILS

EXISTING STORM SEWER

SYSTEM CONTINUES WEST

TO OUTFALL

GRADE BREAK

N=1186659.50 E=2343996.16

ELEV.=6671.27

GRADE BREAK

N=1186770.57 E=2343859.63

ELEV.=6671.27

1.50%3.00%

7.41%

GRADE BREAK

N=1186695.66 E=2343872.48

ELEV.=6670.62

GRADE BREAK

N=1186668.23 E=2343906.20

ELEV.=6670.89

1.50%3.00%

1.50%3.00%

AIRFIELD SERVICE ROAD

LOWER OVERFLOW LOT

CREDIT CARD LOT

66766676

GRADE BREAK

N=1186715.03 E=2343927.90

ELEV.=6672.60

N=1186931.44 E=2344214.90

ELEV.=6676.49

N=1187042.53 E=2344078.38

ELEV.=6676.48

19.13%

1.78% 2.08%

MATCH EXISTING

GRADE (TYP.)

MATCH EXISTING GRADE

END CURB

N=1187068.31 E=2344069.74

ELEV.=6676.48

N=1187047.57 E=2344072.18

ELEV.=6676.59

N=1186992.40 E=2344027.80

ELEV.=6675.35N=1186969.03

E=2344008.99

ELEV.=6674.89

N=1186964.01 E=2344015.23

ELEV.=6674.99

N=1186987.39 E=2344034.03

ELEV.=6675.42

END CURB

N=1186721.53 E=2343807.98

ELEV.=6668.22

N=1186730.74 E=2343827.59

ELEV.=6669.79

N=1186681.79 E=2343873.95

ELEV.=6669.58

N=1186669.31 E=2343864.14

ELEV.=6667.82

N=1186664.29 E=2343822.04

ELEV.=6667.08

GRADE BREAK

N=1186630.67 E=2343864.37

ELEV.=6666.69

N=1186666.37 E=2343892.38

ELEV.=6669.81

N=1186619.54 E=2343964.02

ELEV.=6669.85

14.66%

GRADE BREAK

N=1186985.46 E=2344146.13

ELEV.=6677.80

Sa ve

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20 4020

21##

173398

OVERALL GRADING AND DRAINAGE PLAN

Rev.#

Designed By

Drawn By

Checked By

Description DateSEH Project Revision Issue of

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

X

X

X

X

X

X

X

X

X

X

X

X

X

P-BUR

P-BUR

P-BUR

P-BUR

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RIM 6676.34INVINVINVINVINVINV

RIM 6676.54INVINVINVINVINVINV

69-FT

APPROX. 6 PARKING

SPACES REMAINING

REMOVE SECTION OF SIDEWALK

AND REPLACE WITH 6-FT WIDE

DEPRESSED SIDEWALK WITH

1.5% PROPOSED GRADES. (2)

ADA RAMPS ON EITHER END

(10) 60° 8-FT STANDARD ADA

PARKING SPACES SHARING

5-FT AISLES

(2) 60° 11-FT VAN ADA PARKING

SPACES WITH 5-FT AISLES

138-FT

INSTALL VARIABLE HEIGHT

CURB TO CONNECT

BACK TO SIDEWALK

ASPHALT SAWCUT

AND PATCHBACK,

NEW PAVEMENT TO MATCH

EXISTING GRADE

DURANGO - LA PLATA

AIRPORT TERMINAL

TRANSITION FROM FLAT

CURB TO FULL HEIGHT

CURB - MATCH EXISTING

TRANSITION FROM FLAT

CURB TO FULL HEIGHT

CURB - MATCH EXISTING

1.50%

1.50%

1.50%

CONCRETE WHEEL STOP (TYP.)

SEE NOTE 1

N=1187295.85 E=2343984.27

ELEV=6676.91

N=1187245.67 E=2343943.99

ELEV=6676.77

N=1187200.37 E=2343907.69

ELEV=6676.41

MATCH EXISTING GRADE

N=1187194.87 E=2343902.63

ELEV=6676.98

MATCH EXISTING GRADE

N=1187190.81 E=2343907.71

ELEV=6676.33

MATCH EXISTING GRADE

N=1187302.40 E=2343988.90

ELEV=6677.53

MATCH EXISTING GRADE

N=1187298.38 E=2343993.85

ELEV=6677.24

EXISTING FENCE TO

REMAIN IN PLACE

6-FT

4-IN YELLOW LINE STRIPING (TYP.)

4-IN YELLOW LINES STRIPING

AT 2-FT SPACING (TYP.)

SAWCUT EXISTING CONCRETE

AND REMOVE SIDEWALK TO

PROJECT LIMITS, 138-FT

1.63%

3.17%

INTERNATIONAL SYMBOL OF

ACCESSIBILITY. YELLOW PAINT,

3-IN MIN. STROKE WIDTH, 28-IN

HIGH B 24-IN WIDE MIN. (TYP.)

7.6 0%

7.0 0%

8-FT (TYP.)

5-FT (TYP.)

11-FT (TYP.)

PROPOSED HANDICAP

PARKING SIGN (TYP.) SEE

SHEET 20 FOR DETAILS

N=1187196.61 E=2343912.37

ELEV=6676.31

N=1187242.44 E=2343949.10

ELEV=6676.69

N=1187292.10 E=2343988.95

ELEV=6676.82

17-FT

(TYP.)

1-FT

ASPHALT

1-FT

GUTTER

6-FT

SIDEWALK

0.5-FT

CURB

TYPICAL DEPRESSED SIDEWALK SECTION

ASPHALT SAW CUT

1.5% 4% 2%

FLOWLINE

CONNECT TO EXISTING GRADE

HEIGHT VARIES

MAX. 8-IN

EXISTING CONCRETE

FLAT WORK

NOTE: COORDINATES AND ELEVATIONS

ARE TAKEN FROM HERE

2-FT

CONCRETE WHEEL STOPS

TO BE PLACED 2-FT FROM

EDGE OF ASPHALT

EXISTING ASPHALT

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10 2010

21##

173398

ADA PARKING IMPROVEMENTS PLAN

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

Rev.#

Designed By

Drawn By

Checked By

Description DateSEH Project Revision Issue of

GF

SF

DS

NOTES:

1. CONCRETE WHEEL STOPS TO BE 6-FT (MIN.)

CENTERED ON PARKING STALL AND SECURED

WITH TWO 34-IN METAL PINS TO 30-IN DEPTH (MIN.)

P

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X X

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PP

MB

MB

RIM 6676.34

INV

INV

INV

INV

INV

INV

RIM 6676.54

INV

INV

INV

INV

INV

INV

X X

XXX

XCXCXCXCXCXCXCXCXCXC

4-IN SOLID YELLOW

STRIPING (TYP.)

9-FT (TYP.)

18-FT (TYP.)

16-FT (TYP.)

10-FT (TYP.)

PROPOSED EDGE

OF PAVEMENT

COMMERCIAL APRON

AI

R

PO

R

T R

O

AD

EXISTING EDGE OF

PAVEMENT (TYP.)

NO PARKING AREA.

4-IN SOLID YELLOW

ISLAND STRIPING

AT 2-FT SPACING

(TYP.)

PROPOSED LIGHT POLE (TYP.)

SEE DETAILS FOR MOUNTING SIGNS

AIRFIELD SERVICE ROAD

LOWER OVERFLOW LOT

CREDIT CARD LOT

SOUTH 1

SOUTH 5

SOUTH 3 SOUTH 2SOUTH 4

SOUTH 6SOUTH 7

"ADDITIONAL PARKING" SIGN

"STOP" AND "EXIT" SIGN

EXIT ARROW SIGN TO BE

MOUNTED ON BOTH SIDES

OF LIGHT POLES

EXIT ARROW SIGN TO BE

MOUNTED ON BOTH SIDES

OF LIGHT POLES

ALL LIGHT POLES TO HAVE LOCATION SIGNS

INSTALLED (TYP.) SEE LIGHT POLE SIGNING

DETAIL ON SHEET 20.

FUTURE PARKING LOT LOCATION

IDENTIFICATION, SHOWN FOR

REFERENCE ONLY (TYP.)

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30 6030

Rev.#

Designed By

Drawn By

Checked By

Description DateSEH Project Revision Issue of##

173398

STRIPING AND SIGNAGE PLAN

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

P P

P P

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X X

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P-BUR

P-BU

R

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P-BU

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P-BURP-BURP-BURP-BURP-BURP-BURP-BUR

P-BU

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T-BU

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T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR T-BUR

T-BUR

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X

RIM 6676.54

INV

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INV

X X

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X

X X

X

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XCXCXCXCXCXCXCXCXCXCXC

XC

CONCRETE WASHOUT AREA

SEE SHEET 17 FOR DETAILS

PROVIDE INLET PROTECTION

SEE SHEET 17 FOR DETAILS

SILT FENCING

SEE SHEET 17 FOR DETAILS

LIMITS OF DISTURBANCE

SEDIMENT CONTROL LOGS IN SWALES

SEE SHEET 17 FOR DETAILS

66636663

AIRFIELD SERVICE ROAD

VEHICLE TRACKING PAD

SEE SHEET 13 FOR DETAILS

LOWER OVERFLOW LOT

CREDIT CARD LOT

AI

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STAGING AREA

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30 6030

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Description DateSEH Project Revision Issue of##

173398

EROSION CONTROL PLAN

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

DS

LEGEND:

AREA TO BE SEEDED

VEHICLE TRACKING PAD

LIMITS OF DISTURBANCE

SILT FENCING

SEDIMENT CONTROL LOG

INLET PROTECTION DETAIL

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E.

dw g

Rev.#

Designed By

Drawn By

Checked By

Description DateSEH Project Revision Issue of##

173398

EROSION CONTROL DETAILS

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

NTS

CATCH CURB

VARIES

* SLOPE = 1/2" PER 1'

NTS

SECTION A-A

VARIES *

* SLOPE = 1/2" PER 1'

4:1 SLOPE

NTS

2' CURB CUT

A

A

FL

OW

NTS

SPILL CURB

VARIES *

4-IN ASPHALT

4-IN CLASS 6 ABC

6-IN CLASS 6 ABC

12-IN

6-IN

1.5-FT

1-IN R

6-IN

* SLOPE = 1-IN PER 1-FT

PLACE8-IN MAT, RIPRAP D50=4IN

AT OUTFALL OF 2-FT CURB CUT

4-IN ASPHALT

4-IN CLASS 6 ABC

6-IN CONCRETE

6-IN CLASS 6 ABC

BEGIN RIPRAP SWALE SECTION

RIPRAP SHALL NOT BE PILED

ABOVE THE 4:1 CONCRETE APRON

TO ENSURE POSITIVE DRAINAGE

6-IN

2-FT 3-FT

1.5-FT GUTTER

EDGE OF PAVEMENT

4-IN ASPHALT

4-IN CLASS 6 ABC

6-IN CLASS 6 ABC

12-IN

6-IN

1.5-FT

1-IN R

6-IN

EXISTING GROUND EXISTING GROUND

TEMPORARY

SEEDING

2:1 2:1

EXISTING GROUND EXISTING GROUND

8-IN MAT

RIPRAP D50 = 4-IN

ANGULAR ROCK, WELL GRADED

RIP RAP

2:1 2:1

DEPTH 8-IN

DEPTH PER PLAN

6-IN MILLINGS OR CLASS 2 ABC

6-IN MILLINGS OR CLASS 2 ABC6-IN MILLINGS OR CLASS 2 ABC

2-FT

5-FT

1.5-FT 1.5-FT

0.5-FT

SLOPE 1-IN PER 1-FTENTIRE GUTTER PAN TO BE

REINFORCED WITH 6-IN X 6-IN

NO. 10 WOVEN WIRE FABRIC

3.0-FT

UNDISTURBED GROUND OR COMPACTED BACKFILL.

CONTRACTOR TO PROOFROLL SUBGRADE. AREAS THAT ARE

OBSERVED TO HAVE SOFT SPOTS IN THE SUBGRADE,

WHERE DEFLECTION IS NOT UNIFORM OR IS EXCESSIVE AS

DETERMINED BY THE ENGINEER, SHALL BE RIPPED,

SCARIFIED, DRIED OR WETTED AS NECESSARY, AND

COMPACTED AT THE CONTRACTORS EXPENSE.

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Rev.#

Designed By

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Description DateSEH Project Revision Issue of##

173398

PAVING AND GRADING DETAILS

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GRASS LINED SWALE SECTION

NTS

GF

SF

DS

RIP RAP LINED SWALE SECTION

NTS

CATCH BASIN DETAIL

NTS

CONCRETE PAN SECTION

NTS

18-IN

-IN

ONE PIECE BARBED

WIRE EXTENSION ARM

(3) BARBED WIRE STRANDS

(4-POINT, 2-STRAND WIRE, 12 GAUGE WIRE)

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Rev.#

Designed By

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Checked By

Description DateSEH Project Revision Issue of##

173398

FENCING DETAILS

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

CHAIN LINK SECURITY FENCE

NTS

GF

SF

DS

NOTE:

1. SALVAGED "RESTRICTED AREA" SIGNS SHALL BE

MOUNTED EVERY 300-FT AND SHALL BE AT THE

SAME HEIGHT AS THE EXISTING CONDITIONS

2. FENCING/GATE INSTALLATION TO ADHERE TO

CDOT STANDARD PLANS M-607-2 EXCEPT WHERE

NOTED.

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Rev.#

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Description DateSEH Project Revision Issue of##

173398

SIGN DETAILS

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

DS

EXITEXIT

DETAIL SX-R

N.T.S.

DETAIL SX-L

N.T.S.

RESERVED

PARKING

DETAIL HCP

N.T.S. ACCESSIBLE

RESERVED

PARKING

VAN

VAN ACCESSIBLE DETAIL HCP

N.T.S.

R7-8B

WHERE APPLICABLE

ADDITIONAL

PARKING

DETAIL SL-5

N.T.S.

EXIT

LIGHT STANDARD

SEE ELEC PLANS

PAINT BASE YELLOW WITH 4"

REFLECTORIZED STRIP AT

TOP. TYPICAL ALL LIGHT

POLES IN PARKING LOT.

(INCIDENTAL TO COST OF

LIGHT POLE)

SIGN SX

LIGHT POLE SIGNING DETAIL

N.T.S.

NOTE:

1. ALL LETTERS TO BE HELVETICA TYPE.

2. ALL SIGNS TO BE BLACK LETTERING ON WHITE

BACKGROUND WITH A BLACK 5/8" BORDER. (EXCEPT

HCP AND R5-1-COLOR PER STANDARDS).

3. ALL LETTERING TO BE CENTERED UNLESS OTHERWISE

NOTED.

LOCATION OF HARDWARE TO BE

DETERMINED BY CONTRACTOR

2"± FLAT WASHER TO BE

USED AT THE HARDWARE

CONNECTION (TYP)

CHAIN LINK FENCE

STRAIN

POST

CUSTOM SIGN (24" X 30")

N.T.S.

SPEED

LIMIT

INSTALL SALVAGED TSA SIGNAGE

ON FENCE, SIGN SPACING SHALL

BE NO GREATER THAN EVERY

300-FT AND SHALL MATCH THE

EXISTING SIGNAGE HEIGHT

DETAIL R1-1

N.T.S.

SOUTH

R7-8

GENERAL SIGN NOTES:

1. SIGN SUPPORTS SHALL BE TUBULAR STEEL WITH

SLIPBASE CASTINGS AND ADHERE TO CURRENT CDOT

STANDARDS.

P P

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CONCRETE WASHOUT AREA

SEE SHEET 17 FOR DETAILS

PROVIDE INLET PROTECTION

SEE SHEET 17 FOR DETAILS

SILT FENCING

SEE SHEET 17 FOR DETAILS

LIMITS OF DISTURBANCE

SEDIMENT CONTROL LOGS IN SWALES

SEE SHEET 17 FOR DETAILS

66636663

AIRFIELD SERVICE ROAD

VEHICLE TRACKING PAD

SEE SHEET 13 FOR DETAILS

LOWER OVERFLOW LOT

CREDIT CARD LOT

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30 6030

Rev.#

Designed By

Drawn By

Checked By

Description DateSEH Project Revision Issue of##

173398

EROSION CONTROL ALT 1

DURANGO AIRPORT UPPER OVERFLOW

PARKING LOT EXPANSION

LA PLATA COUNTY

GF

SF

DS

LEGEND:

AREA TO BE SEEDED

VEHICLE TRACKING PAD

LIMITS OF DISTURBANCE

SILT FENCING

SEDIMENT CONTROL LOG

NOTES:

1. CONTRACTOR SHALL INSTALL A 3-IN DEPTH OF 78 -IN 'NATURAL BROWN' ROUND

GRAVEL MULCH (OR APPROVED EQUAL) OVER FILTER FABRIC AS SHOWN ON

THE PLAN. FILTER FABRIC SHALL BE MIN. 3 OZ/SY NONWOVEN NEEDLE PUNCHED

POLYPROPYLENE (DEWITT TYPAR 3301). OVERLAP ENDS 3-IN, TURN DOWN

EDGES 6-IN. TOP OF GRAVEL MULCH SHALL BE 1-IN BELOW TOP OF ADJACENT

PAVING. PROVIDE SAMPLE OF GRAVEL MULCH FOR REVIEW AND APPROVAL

PRIOR TO INSTALLATION.