Project Plans - 218058-008 Garden Acres Bridge Replacement_Bid Documents 03.21.25.pdf

PDF 16 MB Posted Aug 21, 2025

Attached to: Garden Acres Bridge Replacement State and local contract opportunity
Solicitation number: 425047
Issued by: Boulder County, Colorado

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File	Type	Posted
IFB-425047 Bid Submittal.pdf	PDF	Aug 21, 2025
IFB-425047 Project Manual.pdf	PDF	Aug 21, 2025
218058-008 Garden Acres Bridge Replacement - Bid Schedule.xlsx	XLSX spreadsheet	Aug 21, 2025
218058-008 Garden Acres Bridge Replacement - Bid Schedule.xlsx.pdf	PDF	Aug 21, 2025

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Issue:

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PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

218058-008

MAR 21 2025

KJB

NAR

SMT

C-101

COVER SHEET

BOULDER COUNTY, COLORADO

PEC PROJECT NO. 218058-008

LOCATION MAP

CONSTRUCTION PLANS

FEBRUARY 2025

GARDEN ACRES PARK

CITY OF LONGMONT

GARDEN ACRES BRIDGE REPLACEMENT

UTE HWY / HW66

H O

S T.

N S

W Y

INDEX OF SHEETS

SHEET NUMBER SHEET TITLE

C-101 COVER SHEET

VF101 EXISTING CONDITIONS

CD101 DEMOLITION PLAN

CS101 SITE PLAN

CS102 PEDESTRIAN BRIDGE PLAN AND PROFILE

CS103 PEDESTRIAN BRIDGE ABUTMENT PLAN

CS201 HORIZONTAL CONTROL PLAN

CS501 TYPICAL SITE & UTILITY DETAILS

CG101 GRADING PLAN

CG201 EROSION CONTROL PLAN

CG501 EROSION CONTROL DETAILS

CU101 UTILITY PLAN AND PROFILE

CU501 TYPICAL IRRIGATION DETAILS

L101 LANDSCAPE PLAN

PROJECT TEAM CONTACTS:

CITY OF LONGMONT, COLORADO

Parks & Natural Resources Tatiana Parfenova, Sr. Project Manager 303-651-8587 7 S. Sunset Street Longmont, CO 80501

OLIGARCHY DITCH

Kevin Boden, President 303-774-4516 P.O. Box 1826 Longmont, CO 80502

SURVEYOR

CivilArts Frank N. Drexel, PLS 303-682-1131 1500 Kansas Avenue, Suite 2-E Longmont, CO 80501

PROJECT LOCATION

CIVIL & STRUCTURAL ENGINEER

Professional Engineering Consultants, PA Kent Bruxvoort, PE (Civil) Will Pyles, PE (Structural-Bridge) 970-232-9558 351 Linden Street. Suite 100 Fort Collins, CO 80521

LANDSCAPE ARCHITECT

Mike McBridge Landscape Architecture (MMLA) Mike Mcbride, RLA 970-402-0438 2339 Spruce Creek Drive Fort Collins, CO. 80521

03/21/2025

IR IR IR IR IR IR

IR IR IR

IRIR

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PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

0 20' 40'10'

GARDEN ACRES PARK IS LOCATED IN S1/2 OF SECTION 28, T3N, R69W OF THE 6TH P.M., CITY

OF LONGMONT, COUNTY OF BOULDER, STATE OF COLORADO.

TOPOGRAPHICAL SURVEY PREPARED BY CIVIL ARTS ON AUGUST 29, 2023.

LEGEND

UTILITIES

CDS CONCRETE DIVERSION

STRUCTURE

CHG CONCRETE HEAD GATE

EB ELECTRIC BOX

EM ELECTRIC METER

IVB IRRIGATION VALVE BOX

IVT IRRIGATION VAULT

STMH STORM SEWER MANHOLE

WV WATER VALVE

WLE EXPOSED WATER LINE

PIPE

PVC POLY VINYL CHLORIDE PIPE

RCP REINFORCED CONCRETE PIPE

MKD MARKED

MTL METAL

REC RECEPTION NO.

SPCE STATE PLANE COORDINATE,

EASTING

SPCN STATE PLANE COORDINATE,

NORTHING

TYP TYPICAL

WD WOOD

YPC YELLOW PLASTIC CAP

FEATURES

FENCE

CONCRETE

PROPERTY CORNER

CONTOUR

SPOT ELEVATION

UTILITY LINES

ELECTRIC LINE

WATER LINE

VEGETATION

DECIDUOUS TREE W/ 6" CALIPER

CONIFER TREE W/ 6" CALIPER

BUSH W/ 3" CALIPER

MISC. CONTINUED

MISC.

BTM BOTTOM

CHLK CHAIN LINK FENCE

CONC CONCRETE

CP CONTROL POINT

Ø DIAMETER

FF FINISHED FLOOR

FGL FLUSH WITH GROUND LEVEL

FL FLOWLINE

LC LOW CHORD

0 10' 20'1 NORTHERN BRIDGE ABUTMENT

1" = 10'

0 10' 20'2 SOUTHERN BRIDGE ABUTMENT

1" = 10'

218058-008

MAR 21 2025

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VF101

EXISTING CONDITIONS

IR IR IR IR IR IR IR IR IR IR IR IR IR

IR IR IR IR IR IR

IR IR IR IR IR

IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR IR

NEATLY SAWCUT AND REMOVE

SIDEWALK TO EXTENTS SHOWN

CUT AND CAP EX. 4" PVC

3.00' SOUTH OF TEE

REMOVE EXISTING LIGHT POLE BASE, SALVAGE AND

RELOCATE LIGHT POLE. REF. SITE PLAN, SHEET CS101

EXISTING MAINTENANCE ACCESS

TO REMAIN OPEN AT ALL TIMES

CUT AND CAP EX. 4" PVC

3.00' NORTH OF BEND

ELECTRIC TO BE DISCONNECTED

PAST LIGHT POLE, SALVAGE FOR RE-USE

NEATLY SAWCUT AND REMOVE

SIDEWALK TO EXTENTS SHOWN

ELECTRIC TO BE DISCONNECTED

AT LIGHT POLE, SALVAGE FOR RE-USE

EXISTING LIGHT POLE AND

CONCRETE BASE TO REMAIN

EXISTING PEDESTRIAN BRIDGE TO BE REMOVED

SEE DEMOLITION NOTES, THIS SHEET.

EXISTING SIGN TO BE RELOCATED

REF. SITE PLAN, SHEET CS101

EXISTING TRANSFORMER TO

BE PROTECTED IN PLACE

EXISTING SIGN TO BE RELOCATED

REF. SITE PLAN, SHEET CS101

EXISTING ABUTMENTS TO BE REMOVED.

SEE DEMOLITION NOTES, THIS SHEET.

EXISTING ABUTMENTS TO BE REMOVED.

SEE DEMOLITION NOTES, THIS SHEET.

EXISTING LPC 3 PHASE PRIMARY.

CONTRACTOR TO HAVE LOCATES

CALLED IN AND TO EXERCISE

CAUTION WHEN EXPOSING UTILITY

ADJACENT TO TRANSFORMER.

EXISTING WATERLINE TO BE REMOVED.

EXISTING ELECTRIC TO BE REMOVED.

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PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

GARDEN ACRES PARK IS LOCATED IN S1/2 OF SECTION 28, T3N, R69W OF THE

6TH P.M., CITY OF LONGMONT, COUNTY OF BOULDER, STATE OF COLORADO.

TOPOGRAPHICAL SURVEY PREPARED BY CIVIL ARTS ON AUGUST 29, 2023.

DEMOLITION LEGEND

DENOTES SIDEWALK REMOVAL

DENOTES ITEM DEMOLITION

DENOTES TREE REMOVAL

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DEMOLITION PLAN

0 10' 20'

1. PAVEMENT DEMOLITION SHALL BE IN ACCORDANCE WITH CITY OF LONGMONT SPECIFICATIONS.

2. BASE MATERIALS UNDER DEMOLISHED PAVEMENT SHALL BE REMOVED OFF-SITE.

3. THE CONTRACTOR SHALL COORDINATE WITH THE OWNER PRIOR TO DEMOLITION TO DETERMINE DEMOLITION ITEMS THAT ARE TO BE SALVAGED TO THE OWNER. SALVAGEABLE ITEMS ARE TO BE DELIVERED TO THE OWNER AT LOCATIONS DIRECTED BY THE OWNER. ALL NON-SALVAGED ITEMS ARE TO BE DISPOSED OFF-SITE BY THE CONTRACTOR. ITEMS INDICATED TO BE SALVAGED VIA THE PLANS OR IN COMMUNICATION WITH THE OWNER SHALL BE DETACHED OR REMOVED FROM THEIR EXISTING CONDITION

IN A MANNER TO PREVENT DAMAGE.

4. CONTRACTOR SHALL PROVIDE NECESSARY MEANS TO PROTECT THE PUBLIC AND TO PROHIBIT ACCESS TO CONSTRUCTION SITE

WHILE MAINTAINING ACCESS TO EXISTING FACILITIES.

5. CONTRACTOR SHALL COORDINATE ALL DEMOLITION ACTIVITIES WITH OWNER AND UTILITY COMPANIES. CONTRACTOR SHALL

VERIFY UTILITIES ARE OUT OF SERVICE/ABANDONED BEFORE DEMOLITION.

6. CONTRACTOR SHALL PROVIDE NEAT SAW CUTS AT ALL EXISTING CONCRETE AND ASPHALT ABUTTING NEW PAVEMENT AND WHERE EXISTING PAVEMENT IS REMAINING IN PLACE. SAW CUTS IN CONCRETE PAVEMENT SHALL BE AT JOINT LOCATIONS.

7. EXISTING SITE FEATURES (PAVING, UTILITIES, CURBS, SIDEWALK, DRAINAGE, IRRIGATION AND LANDSCAPING) DAMAGED BY CONSTRUCTION AND NOT SHOWN TO BE REMOVED SHALL BE REPLACED TO MATCH EXISTING OR BETTER CONDITIONS PRIOR TO

DISTURBANCE.

8. UNLESS OTHERWISE NOTED ON PLANS OR SPECIFICATIONS, ALL DEMOLISHED UTILITIES SHALL BE CAPPED AT THE MAIN

CONNECTION. ALL ABANDONED PIPE ENDS SHALL BE PLUGGED.

9. ALL ITEMS LOCATED IN DEMOLITION LIMITS NOT SHOWN SHALL BE IDENTIFIED AND COORDINATED WITH THE OWNER PRIOR TO

DEMOLITION.

10. EXISTING ABUTMENTS ARE TO BE REMOVED IN THEIR ENTIRETY. EXISTING FOUNDATION PILES ARE TO BE CUT 3' BELOW CONNECTION TO EXISTING ABUTMENT. REMAINDER OF EXISTING PILES ARE TO BE ABANDONED IN PLACE. ALL BACKFILL CORRESPONDING TO ABUTMENT AND PILE DEMOLITION IS TO BE COMPACTED TO 95% STD. PROCTOR DENSITY IN ACCORDANCE

WITH ASTM D698 AND PROJECT GEOTECHNICAL REPORT REQUIREMENTS.

11. ALL DEMOLISHED ITEMS ARE TO BE DISPOSED OFF SITE IN ACCORDANCE WITH LOCAL CODES AND ENVIRONMENTAL

REGULATIONS BY THE CONTRACTOR.

12. THE CONTRACTOR IS RESPONSIBLE FOR DEMOLITION PERMIT FEES, DISPOSAL FEES, AND OTHER FEES ASSOCIATED WITH ANY

DEMOLITION ITEMS.

13. TRANSFORMER WILL REMAIN ENERGIZED THROUGHOUT THE CONSTRUCTION. CONFIRMATION OF UTILITY DISCONNECT MUST BE OBTAINED BEFORE DEMOLITION. DISCONNECT ELECTRIC AT BREAKER AT THE BUILDING FIRST, THEN AT THE LIGHT SOUTH OF BRIDGE. FOR THE REMAINING DURATION OF THE WORK KEEP ELECTRIC DISCONNECTED AT THE LIGHT. BREAKER NEEDS TO BE

ON.

GENERAL NOTES - (DEMOLITION)

REPLACEMENT BRIDGE MID-POINT

REF. SHEET CS102 FOR PLAN AND PROFILE

8.19'

19.91'

10.46'

10.35'

10.70'

8.00'

8.00' 3.95'

EXISTING ELECTRIC TRANSFORMER

TO BE PROTECTED IN PLACE.

EXISTING OLIGARCHY DITCH CONTROL STRUCTURE.

TRASH RACK TO BE REPLACED BY DITCH COMPANY

FALL OF 2025. CONTRACTOR TO COORDINATE WITH

OLIGARCHY DITCH REPRESENTATIVE FOR ACCESS

DURING BRIDGE REPLACEMENT CONSTRUCTION.

EXISTING OLIGARCHY DITCH

GRAVEL MAINTENANCE ACCESS

SEE NOTE 6, THIS SHEET.

RELOCATED METAL SIGN

"SLIPPERY WHEN WET"

RELOCATED METAL SIGN

"SLIPPERY WHEN WET"

CONSTRUCT LIGHT POLE BASE

RE-INSTALL SALVAGED LIGHT POLE AND

REROUTE EXISTING POWER TO NEW LOCATION

EXISTING LIGHT POLE AND BASE

TO BE PROTECTED IN PLACE.

NORTH OF EXISTING SIDEWALK EXISTS A STORMWATER DETENTION POND.

CONTRACTOR IS NOT TO STAGE ANY EQUIPMENT OR MATERIALS WITHIN.

10.46'

10.35'

VER

ALL BR

E LEN

= 90.00'

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PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

GARDEN ACRES PARK IS LOCATED IN S1/2 OF SECTION 28, T3N, R69W OF THE

6TH P.M., CITY OF LONGMONT, COUNTY OF BOULDER, STATE OF COLORADO.

TOPOGRAPHICAL SURVEY PREPARED BY CIVIL ARTS ON AUGUST 29, 2023.

SITE PLAN LEGEND

PROPOSED CONCRETE SIDEWALK

PROPOSED REPLACEMENT BRIDGE

218058-008

MAR 21 2025

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CS101

SITE PLAN

1. REFERENCE SHEET CS102 FOR PEDESTRIAN BRIDGE PLAN AND PROFILE.

2. REFERENCE SHEET CS103 FOR BRIDGE ABUTMENT PLAN AND DETAILS.

3. REFERENCE SHEET CS102 FOR GENERAL NOTES REGARDING BRIDGE INSTALLATION.

4. REFERENCE SHEET CS201 FOR HORIZONTAL CONTROL PLAN.

5. ALL PROPOSED FLATWORK IMPROVEMENTS ARE TO BE CONSTRUCTED IN COMPLIANCE WITH CITY OF LONGMONT DEVELOPMENT AND DESIGN STANDARDS, PARKS SECTION 600. REFERENCE SHEET CS501

FOR TYPICAL SITE DETAILS.

6. EXISTING GRAVEL MAINTENANCE ACCESS TO OLIGARCHY DITCH CONTROL STRUCTURE TO REMAIN

OPEN AT ALL TIMES DURING CONSTRUCTION.

7. ELECTRICAL LINES ATTACHED TO THE BRIDGE DECK ARE PRIVATE, CONFIRMED DISCONNECT IS

REQUIRED BEFORE REMOVAL.

8. EXISTING LPC UTILITY POWER TRANSFORMER WILL REMAIN ENERGIZED DURING PROJECT UNLESS

OTHERWISE REQUEST TO BE DE-ENERGIZED

RELOCATED EXISTING SIGNAGE

RELOCATED LIGHT POLE, CONSTRUCT NEW LIGHT POLE BASE

0 10' 20'

GENERAL NOTES - (SITE)

1+35

0+00

1+00

92.00'BACK OF BACKWALL

STA. 0+19.00

BACK OF BACKWALL

STA. 1+11.00

STA. 0+65.21

Garden Acres Park Pedestrian Bridge Replacement Midpoint

STA. 1+10.00

END BRIDGE SECTION

STA. 0+20.00

BEGIN BRIDGE SECTION

N: 1,313,792.9501, E: 3,105,715.5547

N: 1,313,663.9365, E: 3,105,755.2994

GARDEN ACRES PARK PEDESTRIAN BRIDGE REPLACEMENT

0+00 0+25 0+50 0+75 1+00 1+25 1+36.29

BEGIN PEDESTRIAN BRIDGE

STA: 0+20.00

TOP OF ABUTMENT = 5051.31

END PEDESTRIAN BRIDGE

STA: 1+10.00

TOP OF ABUTMENT = 5049.81

92'-0"BACK OF BACKWALL

STA. 0+19.00

BACK OF BACKWALL

STA. 1+11.00

BACK OF BACKWALL

STA: 1+11.00

TOP OF BACKWALL = 5050.99

BACK OF BACKWALL

STA: 0+19.00

TOP OF BACKWALL = 5052.50

EXISTING LOW BRIDGE CHORD = 5048.00

90.00'

CL TO CL OF ANCHOR PLATES = 89.26'

CONNECT BRIDGE DECKING TO ABUTMENT BACKWALL

SPAN WITH STEEL PLATE, REF. ABUTMENT DETAILS

CONNECT BRIDGE DECKING TO ABUTMENT

BACKWALL SPAN WITH STEEL PLATE,

REF. ABUTMENT DETAILS

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PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

1 PEDESTRIAN BRIDGE PLAN AND PROFILE

H = 1" = 5' : V = 1' = 5'

0 5' 10'

218058-008

MAR 21 2025

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NAR

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CS102

PEDESTRIAN BRIDGE PLAN

AND PROFILE

BRIDGE EXCAVATION: All excavation shall be Unclassified Excavation. See the Abutment Details sheet for the limits of excavation.

CONCRETE: All concrete for abutments and retaining wall is bid as Concrete (Grade 4.0)(AE). Bevel all exposed edges of all concrete with a 3 4" inch triangular molding, except as otherwise noted on the plans. Construction joints are optional with the Contractor, but if used, place only at locations shown, or at locations approved by the Engineer.

REINFORCING STEEL: All reinforcing steel for abutments is bid as Reinforcing Steel (Gr. 60) and need not be epoxy coated. All reinforcing steel dimensions are to the centerline of bars unless otherwise noted. All reinforcing steel shall conform to the requirements of ASTM A615, Grade 60.

ABUTMENT STRIP DRAIN: The Contractor shall excavate to the limits shown, grade the bottom of the backfill area, place the strip drain, and place the perforated pipe, the outlet pipe, and the backfill. All items associated with the Abutment Strip Drain will be considered SUBSIDIARY.

PEDESTRIAN BRIDGE: The bid item " Pedestrian Bridge" shall include transport and erection of the salvaged pedestrian bridge to be used for this project. Removal and replacement of the timber plank decking in kind shall be SUBSIDIARY to the item "Pedestrian Bridge". All dimensions pertaining to the pedestrian bridge are based on field measurements. Contractor to verify all dimensions to ensure proper fit.

ANCHOR BOLTS: 3/4" Dia. x 4 3/4" Min. Depth - Kwik Bolt TZ2Expansion anchor (Hilti carbon steel) or similar.2 nuts and 1 washer each.

All materials for bid item "Anchor Bolts" shall be SUBSIDIARY to "Pedestrian Bridge".

BRIDGE INSTALLATION GENERAL NOTES

SUMMARY OF QUANTITIES

ITEM UNIT QUANTITY

UNCLASSIFIED EXCAVATION CY 50

CONCRETE (GRADE 4.0)(AE) CY 9.7

REINFORCING STEEL (GRADE 60) LBS 895

STEEL PILE (HP 8X36) LF 80

PEDESTRIAN BRIDGE LS 1

PILING: Pile should be driven to practical refusal in claystone bedrock, using an appropriately sized pile driving hammer. Practical / absolute refusal criteria as defined by the CDOT Standard Specifications for Road and Bridge Construction (2023 Edition) Section 502. HP 8x36 pile to be used as shown on Abutment Details.

13'-0"1'-0" 1'-0"

11'-6 12"1'-8 3 4" 1'-8 3 4"

2' -0

1' -4

6" 8"

1 2"

5 12" 6"

BILL OF MATERIALS (ONE ABUTMENT)

* REINFORCING STEEL

STRAIGHT BARS BENT BARS

MARK NO. SIZE LENGTH MARK NO. SIZE LENGTH

A2 14 #5 14'-6" A1 42 #4 6'-0"

A3 21 #4 2'-0"

A4 1 #4 14'-6"

A5 1 #4 13'-9"

A6 1 #4 12'-11"

X1 16 #4 1'-4"

2 NUTS FOR BOLT

AND WASHER

4" DIA. X 4 3 4" MIN. DEPTH - KWIK BOLT TZ2

EXPANSION ANCHOR (HILTI CARBON STEEL)

15'-0"

1'-0" 1'-0"13'-0"

℄ BRIDGE

3" 3"

10'-10 12"2'-0 3 4" 2'-0 3 4"

8" 1'-4"

2'-0"

3 Eq. Spa.3" 3"

4' -0

-2 1 4"

#5 A2

E Q

#4A6#4A5 #4A4 4-#5A2

4-#5A2

2-#5A2

#4A1 In Pairs

#4A3

1'-0" 1'-0"

℄ PILE

2' -3

1'-6"

TOP OF PILE ELEV.

5050.00 ABUT. #1

5050.00 ABUT. #2

2' -0

#4A1 In Pairs

#5A2 (Typ.)

Elev. 5053.18 ABUT. #1 Elev. 5053.18 ABUT. #2

#4A3 #4A5 #4A4

#4A6

3" 3"

11'-3 12"

10-5 12"

4' -0

-2 1 4"

2'-0"

8" 1'-4"

4" 3"9"

1' -2

1 4"

3" 1' -9

*11'-6 12"

1'-0"

2' -2

1 4" 1' -0

-0

1 4"

3' -0

2' -0

*1'-8 3 4" 11'-6 12"

5' -2

1 4"

1' -2

1 4"

2'-0 3 4" 10'-10 12" 2'-0 3 4"

15'-0"

3'-0" Minimum Below Grade

Grade

2"x7" Timber Plank Decking

* Note: Contractor to verify dimensions on existing structure.

Grade

See Detail A

Strip Drain (Bond to Abut.)

Backfill Compaction See Standard Specifications

See Detail B

Cohesive soil

Va rie s, " M in

Limits of Excavation

Extend filter fabric backing and lap a minimum of 6".

4" Dia. perforated tubing Slope to Drain (1% Grade Min.)

Anchor Bolt Location

* Note: Contractor to verify dimensions on existing structure.

4' -0

2'-0"

Looking Upstation

Note: Field adjust bar spacing around waterline blockout.

WATERLINE BLOCKOUT DIMENSIONS

LOCATION DIMENSION

ABUTMENT FACE A B

NORTH 8.84' 0.96'

SOUTH 8.84' 1.04'

NORTH 8.35' 1.08'

SOUTH 8.35 1.08'

Note: Dimension B taken from West end of abutments.

"A"

7" Dia. Blockout for Waterline

#4X1 (Typ.)

PLAN

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303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

All dimensions are out to out of bar.

SIDE VIEW ANCHOR BOLT LOCATION

ELEVATION

BRIDGE SECTION

SECTION A-A

BENDING DIAGRAM

SECTION B-B

BRIDGE BACKWALL PROTECTION SYSTEM

Limits of Bridge Backwall protection System.

DETAIL B

DETAIL A

218058-008

MAR 21 2025

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CS103

PEDESTRIAN BRIDGE

ABUTMENT PLAN

R2 .5

0'R10.00'

5032 5033

R2.50'

R 2.

C500

C501

C502

C503

C504

C505

COORDINATE LIST

POINT

NORTHING

1,313,758.3265

1,313,777.1120

1,313,784.8062

1,313,786.2274

1,313,799.9246

1,313,793.3159

1,313,788.2054

1,313,785.4626

1,313,776.1269

1,313,773.0533

1,313,777.5911

1,313,779.1688

1,313,778.7994

1,313,776.4049

1,313,771.0517

1,313,782.5799

1,313,653.0373

1,313,660.3624

1,313,664.2941

1,313,668.4564

1,313,668.9031

1,313,679.4325

1,313,680.4728

EASTING

3,105,692.0332

3,105,685.4327

3,105,704.1495

3,105,707.6069

3,105,726.2890

3,105,731.1343

3,105,724.2412

3,105,723.3405

3,105,726.2104

3,105,716.2121

3,105,714.8172

3,105,711.4770

3,105,710.6604

3,105,707.6031

3,105,711.3091

3,105,731.0457

3,105,734.2933

3,105,726.4951

3,105,730.0155

3,105,728.3175

3,105,721.5425

3,105,722.1822

3,105,741.4816

COORDINATE LIST

POINT

NORTHING

1,313,683.7038

1,313,685.1309

1,313,688.1721

1,313,687.6781

1,313,686.5074

1,313,689.3616

1,313,689.3098

1,313,695.0737

1,313,707.0890

1,313,712.9683

1,313,712.3724

1,313,709.2743

1,313,706.8458

1,313,700.9664

1,313,688.9511

1,313,683.2127

1,313,678.7645

1,313,667.9062

1,313,686.3594

1,313,690.7670

1,313,774.8822

1,313,770.4746

EASTING

3,105,743.7367

3,105,743.2980

3,105,753.1911

3,105,753.3430

3,105,757.3511

3,105,757.7904

3,105,760.6501

3,105,766.8750

3,105,781.1616

3,105,788.1524

3,105,793.7300

3,105,796.1867

3,105,793.3016

3,105,786.3108

3,105,772.0242

3,105,765.8295

3,105,760.5931

3,105,747.8107

3,105,740.4880

3,105,754.8258

3,105,728.9679

3,105,714.6300

CURVE LIST

POINT

NORTHING

1,313,769.8791

1,313,776.8565

1,313,786.1972

1,313,665.9618

1,313,682.9692

1,313,688.4127

EASTING

3,105,715.1803

3,105,712.4275

3,105,725.7301

3,105,728.1530

3,105,741.3471

3,105,755.7326

HORIZONTAL CONTROL NOTES:

1. REFERENCE SHEET CS102 FOR

PEDESTRIAN BRIDGE CONTROL

POINTS

Issue:

A C

B R

E R

N C

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-0

H O

O N

C O

O L

.D W

PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

GARDEN ACRES PARK IS LOCATED IN S1/2 OF SECTION 28, T3N, R69W OF THE

6TH P.M., CITY OF LONGMONT, COUNTY OF BOULDER, STATE OF COLORADO.

TOPOGRAPHICAL SURVEY PREPARED BY CIVIL ARTS ON AUGUST 29, 2023.

218058-008

MAR 21 2025

KJB

NAR

SMT

CS201

HORIZONTAL CONTROL PLAN

0 10' 20'

Issue:

A C

B R

E R

N C

T, L

O N

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1 2 3 4 5 6

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DATE

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2P D

-0

.D W

PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

218058-008

MAR 21 2025

KJB

NAR

SMT

CS501

TYPICAL SITE & UTILITY

DETAILS

1 TYPICAL SIGN MOUNTING

NOT TO SCALE

3' -0

-0

3 LB/FT. "U" CHANNEL

STEEL SIGN POST

5/16" ROUND HEAD BOLT

(AS REQUIRED)

EXISTING METAL SIGN

TO BE RE-USED

GROUND

LINE

2 CONCRETE WALK DETAILS

NOT TO SCALE 3 CONCRETE WALK JOINT DETAILS

NOT TO SCALE

XX X

CONCRETE WALK JOINT NOTES

1. PROVIDE 1/2" EXPANSION JOINT MATERIAL AT ALL

LOCATIONS WHERE NEW CONCRETE ABUTS EXISTING

PAVEMENT, STRUCTURES, AND BRIDGE ABUTMENTS.

4'-0" (MIN.)

8'-0" (MAX.)

C J

1'-0" 6"

SEE PLANS

1/4"/FT. MAX. CROSS

SLOPE PER ADA

#4 CONT. REBAR

6" THICK PAVEMENT WITH FIBERMESH

REF. PARKS SPECS SECTION 600.

COMPACTED SUBGRADE

TO 95% ASTM D698

3/16"

1" M

1/8" MIN.

1/2"

1/ 4"

1/8 " R

K D

SILICON

JOINT

SEALANT

EXPANSION

JOINT

MATERIAL

FACE OF

STRUCTURE

CONCRETE WALK NOTES

1. THICKENED EDGE ONLY REQUIRED AT ABUTMENT

TO BRIDGE ABUTMENT, TRANSFORMER PAD, PUMP

HOUSE BUILDING, AND EXISTING PAVEMENT.

2. 6" SLAB THICKNESS 4000 PSI 28 DAY COMPRESSIVE

STRENGTH WITH FIBERMESH, PER SPEC.S

3. SEE CITY OF LONGMONT DESIGN STANDARDS &

CONSTRUCTION SPECIFICATIONS AND APPROVED

MATERIALS LIST FOR APPROVED PRODUCTS AND

INSTALLATION REQUIREMENTS.

PLAN

SECTION X-X

CONTRACTION JOINT (CJ)

CONTRACTION JOINT (CJ) EXPANSION JOINT (EJ)

PROVIDE 1-1/2" ZIPSTRIP OR SAWCUT.

NO TOOLED JOINTS - PATH EDGE ONLY

POLE BASE DETAIL PROVIDED BY CITY OF LONGMONT PARKS SUPERINTENDED

FROM 2018 GARDEN ACRES PARK PHASE 2 - PARK RENEWAL AS-BUILTS.

1" PRIOR TO SOD/SEED

1" RADIUS

- CLASS C

NOT TO SCALE

- PIPE ZONE BACKFILLING

NOT TO SCALE- TRENCH ZONE BACKFILLING

NOT TO SCALE

GRANULAR BEDDING MATERIAL OR SAND-GRAVEL BEDDING

GRANULAR BEDDING MATERIAL SHALL BE AN APPROVED MATERIAL CONSISTING OF

DURABLE CRUSHED ROCK CONFORMING WITH THE REQUIREMENTS OF THE LATEST

REVISION OF ASTM C-33 SIZE NO. 67 (3/4" TO NO. 4); TO BE PLACED IN NOT MORE THAN 6"

LAYERS AND COMPACTED BY SLICING WITH A SHOVEL OR VIBRATING.

COMPACTED EMBEDMENT SHALL BE AN APPROVED SAND MATERIAL FREE FROM DEBRIS,

ORGANIC MATERIAL, AND STONES WITH 100% PASSING THE 3/4" SIEVE TO BE PLACED IN

UNIFORM LAYERS NOT MORE THAN 6" THICK AND COMPACTED TO 95 PERCENT MAXIMUM

DENSITY AS DETERMINED BY ASTM D698. GRANULAR BEDDING MATERIAL MAY BE

SUBSTITUTED FOR ALL OR PART OF COMPACTED EMBEDMENT MATERIALS.

COMPACTED EARTH BACKFILL

" M

4" M

" M

Bc 4"

CLASS C BEDDING

COMPACTED EMBEDMENT

Bc = OUTSIDE PIPE DIAMETER

CLASS C BEDDING SHALL BE USED FOR ALL RIGID PIPE.

A. CLASS C ORDINARY BEDDING SHALL BE USED FOR ALL RIGID PIPE UNLESS WET

CONDITIONS ARE ENCOUNTERED.

B. CLASS C IMPROVED BEDDING SHALL BE USED FOR WET CONDITIONS EXISTING IN THE

TRENCH, AS DIRECTED BY THE ENGINEER, AT NO ADDITIONAL COST TO THE OWNER.

THE DIMENSIONS SHALL BE EQUAL TO THAT REQUIRED FOR "ROCK" EXCAVATION (SEE

SPECIFICATIONS).

COMPACTED GRANULAR BACKFILL MATERIAL SHALL BE AN

APPROVED SAND MATERIAL FREE FROM DEBRIS, ORGANIC

MATERIAL AND STONES WITH 100% PASSING THE 3/4" SIEVE AND

NOT MORE THAN 15% PASSING A NO. 200 SIEVE; TO BE JETTED AND

MECHANICALLY VIBRATED INTO PLACE AND COMPACTED TO 95%

DENSITY AS DETERMINED BY ASTM D698.

COMPACTED EARTH BACKFILL SHALL CONSIST OF MATERIAL

EXISTING PRIOR TO TRENCHING OR SELECTED MATERIAL AS

DIRECTED BY THE ENGINEER, AND SHALL BE COMPACTED TO 90%

DENSITY AS DETERMINED BY ASTM D698.

BACKFILL: BACKFILL MATERIAL AND COMPACTION REQUIREMENTS

SHALL CONFORM TO EITHER TYPE I OR TYPE II. ONE YEARS

MAINTENANCE WILL BE REQUIRED ON ALL BACKFILL.

ORDINARY BEDDING IMPROVED BEDDING

BACKFILL TYPE II

51.79 ME

51.98 ME

51.46 ME

51.25 ME

50.72 ME

50.71 ME

50.98 ME

51.02 ME

51.00 ME

.03

M E

.15

M E

53.92 ME

53.77 ME

52.50 TW

50.81 BW

52.50 TW

50.81 BW

52.58

52.66 52.67

52.86

52.93 52.75

52.64

52.60

52.55

52.76

51.52

51.64

51.42

51.22

51.01

51.09 51.01

50.98 50.88

50.87

50.90

50.99 TW

49.31 BW

50.99 TW

49.31 BW

50.99 TW

49.45 BW

50.99 TW

50.18 BW

50.99 TW

50.99 BW

50.99 TW

50.99 BW

50.99 TW

50.18 BW

50.99 TW

49.45 BW

49.81 TA

49.31 BW

49.81 TA

49.31 BW4:1 4:1

4.9%

1.1%

0.8

1.6%

1.8% 0.8%

1.0%

1.4%

20:1

10:1

4:1

52.50 TW

50.96 BW

52.50 TW

51.69 BW

52.50 TW

52.50 BW

51.31 TW

50.81 BW

51.31 TW

50.81 BW

52.50 TW

52.50 BW

52.50 TW

51.69 BW

52.50 TW

50.96 BW

13:1

5045505

504250435044 5046504

52505

535054

5042 5043 5044 5046 5047 5048 5049

Issue:

A C

B R

E R

N C

T, L

O N

G M

O N

T, C

1 2 3 4 5 6

CHECKED BY

DRAWN BY

DATE

JOB NO.

B Y

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:\F

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N .D

W G

PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

GARDEN ACRES PARK IS LOCATED IN S1/2 OF SECTION 28, T3N, R69W OF THE

6TH P.M., CITY OF LONGMONT, COUNTY OF BOULDER, STATE OF COLORADO.

TOPOGRAPHICAL SURVEY PREPARED BY CIVIL ARTS ON AUGUST 29, 2023.

0 10' 20'

218058-008

MAR 21 2025

KJB

NAR

SMT

CG101

GRADING PLAN

GRADING LEGEND

EXISTING MAJOR CONTOUR

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

PROPOSED GRADING LIMITS

52.50

PROPOSED RIP-RAP

GRADING ABBREVIATIONS

MATCH EXISTING

TOP OF WALL

BOTTOM OF WALL

TOP OF ABUTMENT

1.00% PROPOSED SLOPE

PROPOSED SPOT ELEVATION

H:V PROPOSED GRADE (HORIZONTAL:VERTICAL)

1. THE CONTRACTOR SHALL ADHERE TO THE LATEST ADA REGULATIONS. ANY DISCREPANCIES WITH GRADES SHOWN SHALL BE REPORTED TO THE ENGINEER FOR RESOLUTION PRIOR TO PLACEMENT OF PAVEMENT, INCLUDING CONCRETE WALKS. THE CONTRACTOR SHALL COMPLY TO THE FOLLOWING GRADING REQUIREMENTS FOR ADA ACCESSIBLE ROUTES:

CURB RAMPS: SLOPE NOT TO EXCEED 1:12 MAX. LENGTH = 6 FEET W/MAX. RISE OF 6 INCHES.

CONCRETE WALKS: LONGITUDINAL SLOPE NOT TO EXCEED 5%. TRANSVERSE SLOPE NOT TO EXCEED 2%.

LANDING AREAS: SLOPE NOT TO EXCEED 2% IN ALL DIRECTIONS. 5' LANDING AREA REQUIRED AT DOOR ENTRANCES AND CURB

RAMPS.

2. ALL FILL PLACED ON SITE SHALL BE COMPACTED IN ACCORDANCE WITH (REVISED) GEOTECHNICAL REPORT PREPARED BY

TERRACON, DATED 10/8/2024.

3. ALL FILL MATERIAL SHALL BE PLACED, BLADED SMOOTH AND SLOPED TO DRAIN.

4. THE CONTRACTOR SHALL APPLY TOPSOIL SALVAGED FROM THE SITE TO ALL DISTURBED AREA OUTSIDE OF THE LIMITS OF

PAVEMENT PRIOR TO SEEDING.

5. CONTRACTORS SHALL SATISFY THEMSELVES OF SUBSURFACE CONDITIONS. ALL EARTHWORK SHALL BE IN ACCORDANCE WITH

THE PROJECTS (REVISED) GEOTECHNICAL REPORT PREPARED BY TERRACON, DATED 10/8/24.

6. THE SITE SHALL BE GRADED TO PROVIDE POSITIVE DRAINAGE AS INDICATED ON THE GRADING PLANS. UNDER NO CIRCUMSTANCES WILL PONDING BE ALLOWED UNLESS DESIGNATED AS A TEMPORARY SEDIMENT BASIN ON THE EROSION CONTROL PLAN. THE CONTRACTOR SHALL REPORT ANY GRADING DISCREPANCIES TO THE ENGINEER FOR RESOLUTION.

GENERAL NOTES - (GRADING)

.00

35.00'

2.00'

13.49'

10.00'

13.00'

4.00'

10.00'

19.00'

12.00'

R4 .0

R4.00'

2.00'

515051

CWA

CSA

Issue:

A C

B R

E R

N C

T, L

O N

G M

O N

T, C

1 2 3 4 5 6

CHECKED BY

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DATE

JOB NO.

/2 1/

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-0

O N

C O

O L

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PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

0 10' 20'

EROSION CONTROL LEGEND

PROPOSED SILT FENCE

PROPOSED SOIL FILLED RIP-RAP, TYPE VL D50 = 6"

PROPOSED STRAW WATTLE (SEDIMENT CONTROL LOG)

PROPOSED VEHICLE TRACKING CONTROL

CONCRETE WASHOUT AREA (CWA)CWA

CSA

CONTRACTOR STAGING AREA (CSA)

GOOD HOUSEKEEPING (GH)

EXISTING MAJOR CONTOUR

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

PROPOSED GRADING LIMITS

1. CONTRACTOR IS TO APPLY FOR A STORMWATER CONTROL ACTIVITY PERMIT (SCAP) WITH THE CITY OF LONGMONT. TOTAL DISTURBED AREA IS ESTIMATED TO TOTAL

BETWEEN 8,000 AND 10,000 SF.

2. CONTRACTOR IS TO MINIMIZE ANY AND ALL DISTURBANCES NEAR ADJACENT WATER BODY AND OLIGARCHY DITCH. UNDER NO CIRCUMSTANCES WILL CONSTRUCTION DEBRIS AND/OR TRASH BE TOLERATED OUTSIDE THE LIMITS OF CONSTRUCTION ESPECIALLY WITHIN THE OLIGARCHY DITCH OR ADJACENT WATER BODY.

3. CONTRACTOR IS TO ACCESS THE PROJECT SITE WITH CONSTRUCTION VEHICLES VIA THE SOUTHERN PARKING LOT OFF 18TH AVE. CONTRACTOR ACCESS TO THE NORTH SIDE OF OLIGARCHY DITCH SHALL EXCLUDE CONSTRUCTION VEHICLES. ACCESS NORTH OF OLIGARCHY DITCH SHALL BE LIMITED TO PERSONNEL AND MINOR

EQUIPMENT VIA THE PARKING LOT AND WALKWAY OFF 21ST AVE.

4. ADDITIONAL STORMWATER POLLUTION CONTROL MEASURES (EROSION AND SEDIMENT CONTROL MEASURES, AND BEST MANAGEMENT PRACTICES) MAY BE REQUIRED OF THE OWNER AND HIS OR HER AGENTS DUE TO UNFORESEEN EROSION PROBLEMS OR IF THE STORMWATER POLLUTION CONTROLS OUTLINED IN THESE DRAWINGS DO NOT FUNCTION AS INTENDED. THE INSTALLATION AND MAINTENANCE OF ALL STORMWATER POLLUTION CONTROL MEASURES SHALL BE THE

OBLIGATION OF THE PERMIT HOLDER UNTIL SUCH TIME AS THE PERMIT IS RELEASED.

5. THE CONTRACTOR SHALL LOCATE, INSTALL, AND MAINTAIN ALL STORMWATER POLLUTION CONTROL MEASURES FOR SEDIMENT AND EROSION CONTROL AND WATER QUALITY "BEST MANAGEMENT PRACTICES" AS INDICATED ON THE DRAWINGS. ALL STORMWATER POLLUTION CONTROLS SHALL BE MAINTAINED AND KEPT IN GOOD REPAIR FOR THE DURATION OF THIS PROJECT AS INSTRUCTED IN THE CONTROL DETAILS INCLUDED IN THESE DRAWINGS.

6. THE CONTRACTOR IS RESPONSIBLE FOR KEEPING A FIELD-SET OF THESE DRAWINGS ON SITE AT ALL TIMES. ANY CHANGES TO THESE PLANS THAT OCCUR IN THE FIELD MUST BE REDLINED, AND DISCUSSED WITH THE STORMWATER INSPECTOR DURING SUBSEQUENT INSPECTIONS.

7. THE CONTRACTOR IS RESPONSIBLE FOR LOCATING AND ILLUSTRATING (ON THE DRAWINGS) STOCKPILES, STAGING AREAS, EQUIPMENT STORAGE, REFUELING/MAINTENANCE AREAS, AND DISPOSAL AREAS.

8. THE CONTRACTOR AND/OR AUTHORIZED AGENTS SHALL PREVENT SEDIMENT, MUD, CONSTRUCTION DEBRIS, SPILLED MATERIALS, AND ALL OTHER POLLUTANTS FROM ENTERING WATERWAYS, PUBLIC RIGHTS-OF-WAYS, OR THE STORM SEWER SYSTEM DURING CONSTRUCTION ACTIVITIES THAT ARE PART OF THIS PROJECT. THE PERMITTEE SHALL BE HELD RESPONSIBLE TO REMOVE ALL POLLUTANTS AND REMEDIATE ANY WATERWAYS, RIGHTS-OF-WAYS, OR STORM SEWERS, ADVERSELY IMPACTED BY WORK DONE AS PART OF THIS PROJECT IN A TIMELY MANNER, USING APPROPRIATE EQUIPMENT FOR THE POLLUTANT PRESENT.

9. EQUIPMENT AND MATERIALS NECESSARY FOR THE CONTROL OF SPILLS SHALL BE AVAILABLE ONSITE AT ALL TIMES. SPILLS AND LEAKS SHALL BE STOPPED AND MATERIAL CLEANED UP IMMEDIATELY AND DISPOSED OF PROPERLY. USE PROPER STORMWATER CONTROL MEASURES ('BEST MANAGEMENT PRACTICES') TO PREVENT OIL, GREASE, OR FUEL FROM LEAKING ON THE GROUND, INTO STORM INLETS, OR SURFACE WATERS.

10. WHEN WORKING IMMEDIATELY ADJACENT TO WATERWAYS, ADDITIONAL CARE SHOULD BE TAKEN TO AVOID THE DISCHARGE OF POLLUTANTS AS THERE IS LIMITED ABILITY TO INTERCEPT THE POLLUTANTS PRIOR TO DISCHARGING TO THE WATERWAYS. VIOLATIONS NEAR WATERWAYS MAY RESULT IN ADDITIONAL SEDIMENT/EROSION CONTROL MEASURES BEING REQUIRED AND/OR ACCELERATED ENFORCEMENT ACTIONS.

11. EQUIPMENT CAPABLE OF MITIGATING FUGITIVE DUST FROM CONSTRUCTION ACTIVITY SHALL BE AVAILABLE AT ALL TIMES. DUST/WIND CONTROL PRACTICES (WATERING, VEGETATION, STRIPPED TOPSOIL, ANY PLASTIC COVERS, ETC.) SHALL BE IMPLEMENTED AS PART OF ROUTINE SITE MAINTENANCE, IMPLEMENT AS NEEDED TO ELIMINATE ANY ADVERSE IMPACTS TO ADJACENT PROPERTY OWNERS OR CITY RIGHTS-OF-WAY. ADDITIONAL DUST CONTROL REQUIREMENTS CAN BE

FOUND IN THE CITY OF LONGMONT MUNICIPAL CODE TITLE 15 CHAPTER 15.05.160.

12. HAULING ROUTES FOR THE SITE MUST BE IDENTIFIED ON THE CONSTRUCTION DRAWINGS. OFFSITE HAULING ROUTES BE IDENTIFIED - REFER MUNICIPAL CODE TITLE

11 CHAPTER 11.32 FOR HAULING GUIDELINES.

13. THE DEVELOPER, CONTRACTOR AND/OR THEIR AUTHORIZED AGENTS SHALL INSURE THAT ALL LOADS OF CUT AND FILL MATERIALS IMPORTED TO, OR EXPORTED FROM, THIS SITE SHALL BE PROPERLY COVERED TO PREVENT LOSS OF THE MATERIAL DURING TRANSPORT ON PUBLIC RIGHTS-OF-WAY. ANY SETTLEMENT OR SOIL ACCUMULATION FOUND BEYOND THE LIMITS OF DISTURBANCE (AS IDENTIFIED ON THE DRAWINGS), SHALL BE REMOVED AND/OR REPAIRED IMMEDIATELY BY THE

PERMITTEE.

14. STOCKPILE REQUIREMENTS:

14.1. STOCKPILES SHALL BE IMMEDIATELY PROTECTED IF THEY ARE NOT SCHEDULED TO BE USED WITHIN 14 DAYS. STORMWATER CONTROL MEASURES, AS OUTLINED IN MILE HIGH FLOOD DISTRICT VOLUME 3 (OR CURRENT EDITION), FOR STOCKPILE MANAGEMENT SHALL BE INSTALLED AND MAINTAINED AT ALL TIMES.

14.2. STOCKPILE LOCATION SHALL BE SETBACK FROM PROPERTY LINES, DRAINAGE WAYS, AND FLOODPLAIN BOUNDARIES A MINIMUM OF 50 FEET, UNLESS WRITTEN APPROVAL IS GRANTED BY THE CITY. LOCATION OF STOCKPILES SHALL BE SELECTED TO PROVIDE ACCESS TO ALL EXISTING UTILITIES.

14.3. STOCKPILE HEIGHT ONSITE IS LIMITED TO EIGHT (8) FEET WITH FLAT TOPS AND MAXIMUM SIDE SLOPES OF 2:1 (H:V), UNLESS WRITTEN APPROVAL IS GRANTED BY

THE CITY.

14.4. DUST/WIND CONTROL PRACTICES (WATERING, VEGETATION, STRIPPED TOPSOIL, ANY PLASTIC COVERS, ETC.) SHALL BE IMPLEMENTED AS PART OF THE STOCKPILE MANAGEMENT. COVERS SHALL BE INSTALLED SECURELY TO PROTECT FROM WIND AND RAIN - REFER TO THE MUNICIPAL CODE TITLE 15 CHAPTER 15.05.160.

15. CONTRACTOR IS TO APPLY FOR PERMIT COG080000 WITH THE STATE OF COLORADO FOR SHORT TERM CONSTRUCTION DEWATERING. IF ANY QUESTIONS ARISE, CONTRACTOR IS TO CONTACT STACY DEAL, WATER QUALITY AND ENVIRONMENTAL COMPLIANCE COORDINATOR WITH THE CITY OF LONGMONT AS SOON AS

POSSIBLE. (STACY.DEAL@LONGMONTCOLORADO.GOV , 720-964-3506)

16. ALL TEMPORARY GROUNDWATER DEWATERING DISCHARGES MUST BE TREATED TO REMOVE SEDIMENT BEFORE DISCHARGING FROM THE CONSTRUCTION SITE.

DISCHARGING WATER INTO A SEDIMENT TRAP OR BASIN IS AN ACCEPTABLE TREATMENT OPTION. WATER MAY ALSO BE TREATED USING A DEWATERING FILTER BAG, AND A SERIES OF STRAW BALES OR SEDIMENT LOGS. IF THESE PREVIOUS OPTIONS ARE NOT FEASIBLE DUE TO SPACE OF THE ABILITY TO PASSIVELY TREAT THE DISCHARGE TO REMOVE SEDIMENT, THEN A SETTLING TANK OR AN ACTIVE TREATMENT SYSTEM MAY NEED TO BE UTILIZED. REFER TO MHFD CRITERIA MANUAL, VOL.

3, CHAPTER 7 (SM-9). THE CONTRACTOR MUST REDLINE DISCHARGE POINTS ON THE DRAWINGS TO REFLECT FIELD CONDITIONS.

17. IF NO CONSTRUCTION ACTIVITIES TAKE PLACE ON-SITE FOR 30 DAYS OR MORE, THE PERMITTEE IS RESPONSIBLE FOR SEEDING AND STABILIZING THE SITE WITH THE SEED MIX IDENTIFIED IN THE CITY DESIGN STANDARDS AND CONSTRUCTION SPECIFICATIONS, PARKS AND OPEN SPACE APPROVED MATERIAL LIST, SECTION 604, OR

CURRENT EQUIVALENT.

18. ANY KNOWN WILDLIFE IN THE PROPOSED AREA OF SOIL STOCKPILES (I.E. PRAIRIE DOGS, GROUND NESTING BIRDS AND CANOPY NESTING BIRDS - I.E. RAPTORS IN

VICINITY MUST BE IDENTIFIED AND SPECIFIED. IF PRESENT:

18.1. AN ALTERNATIVE LOCATION THAT DOES NOT NEGATIVELY IMPACT THE EXISTING WILDLIFE MUST BE FOUND, OR

18.2. PERMISSION IS REQUIRED TO RELOCATE, TRAP OR EUTHANIZE THE WILDLIFE FROM THE COLORADO DIVISION OF PARKS AND WILDLIFE.

19. IT IS THE PERMITTEE'S RESPONSIBILITY TO COMPLY WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL REQUIREMENTS PERTAINING TO THE PERMITTEE'S ACTIVITES; WHETHER OR NOT THOSE REQUIREMENTS ARE INCLUDED IN THE STORMWATER CONSTRUCTION ACTIVITY PERMIT.

20. CONTRACTOR SHALL BE AWARE THAT THE OLIGARCHY DITCH CONVEYS STORMWATER. CONTRACTOR SHALL BE PREPARED TO HANDLE ANY NUISANCE WATER.

ADDITIONALLY, THE CONTRACTOR SHALL BE AWARE THAT THEY SHALL NOT ACCESS THE OLIGARCHY DITCH AND ALL WORK SHALL BE COMPLETED PRIOR TO MARCH 15th OR POST NOVEMBER 15th OF GIVEN CALENDAR YEAR, UNLESS COORDINATED WITH THE OLIGARCHY DITCH REPRESENTATIVES.

GENERAL NOTES - (EROSION CONTROL)

218058-008

MAR 21 2025

KJB

NAR

SMT

CG201

EROSION CONTROL PLAN

PROPOSED LIMITS OF DISTURBANCE

EROSION CONTROL NOTES:

1. ESTIMATED DISTURBED AREA = 0.18

ACRES

2. REFERENCE SHEET CG501 FOR

EROSION CONTROL DETAILS.

Issue:

A C

B R

E R

N C

T, L

O N

G M

O N

T, C

1 2 3 4 5 6

CHECKED BY

DRAWN BY

DATE

JOB NO.

1/ 6/

P M

B Y

H O

/2 0/

P M

B Y

H O

:\F

2P D

-0

O N

C O

O L

.D W

PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

218058-008

MAR 21 2025

KJB

NAR

SMT

CG501

EROSION CONTROL DETAILS

CONTRACTOR SHALL PROVIDE IMPERMEABLE

LINER WITHIN CONCRETE WASHOUT AREA.

IR IR IR

IR IR IR IR IR IR IR

0+00 1+00 1+34

445046

50515052

5050 50 505049

8.35' (W) EDGE OF

ABUTMENT TO PIPE CL

8.84' (W) EDGE OF

ABUTMENT TO PIPE CL

N: 1,313,796.3878, E: 3,105,716.0418

STA: 0+00.00, WATERLINE NO.1

INSTALL 6" GASKETED PVC PIPE EXTENDER

N: 1,313,668.2535, E: 3,105,754.6840

STA. 1+34.00, WATERLINE NO.1

INSTALL 6" GASKETED PVC PIPE EXTENDER

N: 1,313,771.3950, E: 3,105,723.5790

STA. 0+26.10, WATERLINE NO.1

INSTALL 6" 45° VERT. BEND

N: 1,313,769.7547, E: 3,105,724.0736

STA. 0+27.82, WATERLINE NO.1

INSTALL 6" 45° VERT. BEND

N: 1,313,690.0138, E: 3,105,748.1216

STA. 1+11.11, WATERLINE NO.1

INSTALL 6'' 45° BEND

N: 1,313,691.7282, E: 3,105,747.6046

STA. 1+09.32, WATERLINE NO.1

INSTALL 6'' 45° BEND

18.35 L.F. 6" PIPE 0.48 L.F. 6" PIPE

81.00 L.F. 6" PIPE

1.35 L.F. 6" PIPE 1.44 L.F. 6" PIPE

N: 1313778.6952, E: 3105721.3774

STA. 0+18.48, WATERLINE NO.1

INSTALL 6" ISOLATION VALVE

1.75 L.F. 6" PIPE

N: 1313776.7804, E: 3105721.9549

STA. 0+20.48, WATERLINE NO.1

INSTALL QUICK COUPLER ASSEMBLY

4.29 L.F. 6" PIPE

0.71 L.F. 6" PIPE

N: 1313772.4334, E: 3105723.2658

STA. 0+25.02, WATERLINE NO.1

INSTALL 6" DRAIN VALVE

N: 1313689.1919, E: 3105748.3695

STA. 1+11.96, WATERLINE NO.1

INSTALL 6" DRAIN VALVE

4.27 L.F. 6" PIPE

N: 1313684.8677, E: 3105749.6735

STA. 1+16.48, WATERLINE NO.1

INSTALL QUICK COUPLER ASSEMBLY

1.75 L.F. 6" PIPE

N: 1313682.9529, E: 3105750.2510

STA. 1+18.48, WATERLINE NO.1

INSTALL 6" ISOLATION VALVE

15.23 L.F. 6" PIPE

WATERLINE NO.1

-0+05 0+00 0+20 0+40 0+60 0+80 1+00 1+20 1+40

5° V

N V

Q U

C O

6" D

N V

6" D

N V

Q U

C O

N V

+0 0.

+3 3.

+2 6.

+2 7.

+0 9.

+1 8.

+2 0.

+2 5.

+1 1.

+1 6.

+1 8.

C O

N N

6" P

C O

N N

6" P

Issue:

A C

B R

E R

N C

T, L

O N

G M

O N

T, C

1 2 3 4 5 6

CHECKED BY

DRAWN BY

DATE

JOB NO.

/2 0/

P M

B Y

H O

/2 0/

P M

B Y

H O

:\F

2P D

-0

R O

.D W

PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

218058-008

MAR 21 2025

KJB

NAR

SMT

CU101

UTILITY PLAN AND PROFILE

UTILITY LEGEND

PROPOSED IRRIGATION MAIN

EXISTING MAJOR CONTOUR

EXISTING MINOR CONTOUR

PROPOSED MAJOR CONTOUR

PROPOSED MINOR CONTOUR

0 5' 10'2.5'

PLAN: LAT. & LONG.

PROFILE: HORIZ. SAME AS ABOVE

VERT:

UTILITY PLAN NOTES:

1. IRRIGATION MAIN TO BE GASKETED CLASS 200 PVC, NSF APPROVED WITH DUCTILE IRON FITTINGS AND MEGALUG DUCTILE IRON JOINT RESTRAINTS WHILE DIRECT BURIED. IRRIGATION MAIN TO BE DUCTILE IRON PIPE WHILE SUSPENDED FROM REPLACEMENT BRIDGE. MATERIALS SHALL CONFORM TO LONGMONT

SPECIFICATION SECTION(S) 603.04 AND CITY OF LONGMONT APPROVED MATERIALS LIST.

2. WHEN BURIED UNDER HARD SURFACES IRRIGATION MAIN TO BE SLEEVED WITH DUCTILE IRON PIPE OR CLASS 200 PVC IN ACCORDANCE WITH CITY OF LONGMONT SPECIFICATION SECTION(S) 603.04.9.

3. WATERLINE TO BE SUPPORTED BY BRIDGE MEMBERS UTILIZING 6" CLEVIS STEEL PIPE HANGERS WITH 1/2" THREADED ROD AND C CLAMPS EVERY 4'. ALL HANGING MATERIALS ARE TO BE GALVANIZED STEEL.

COORDINATE WITH STRUCTURAL AS NEEDED.

4. REPLACEMENT OF ELECTRIC CONDUIT BENEATH BRIDGE TO CONFORM TO CITY OF LONGMONT

SPECIFICATIONS AND APPROVED MATERIALS LIST. CONTRACTOR TO FIELD FIT ALIGNMENT BETWEEN

EXISTING LIGHT POLES.

Issue:

A C

B R

E R

N C

T, L

O N

G M

O N

T, C

1 2 3 4 5 6

CHECKED BY

DRAWN BY

DATE

JOB NO.

/1 7/

A M

B Y

H O

/2 0/

P M

B Y

H O

:\F

2P D

-0

N D

W G

PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

218058-008

MAR 21 2025

KJB

NAR

SMT

CU501

TYPICAL IRRIGATION DETAILS

X X

X X X X X

XXXX

X X

XXXX

X X

X X X X X

XXXX

X X

XXXX

1 QU MA

SOIL FILLED RIP-RAP

RE: CIVIL

NATIVE SEED RESTORATION TO

MATCH EXTENTS OF DISTURBANCE

TURF RESTORATION TO MATCH EXTENTS OF

DISTURBANCE, REPAIR OR REPLACE IRRIGATION

SYSTEM TO MATCH EXISTING CONDITION

EXISTING TREE TO REMAIN AND BE PROTECTED

EXISTING WILLOWS

TO BE PROTECTED

SOIL FILLED RIP-RAP

RE: CIVIL

NATIVE SEED RESTORATION TO

MATCH EXTENTS OF DISTURBANCE

TURF RESTORATION TO MATCH EXTENTS OF

DISTURBANCE, REPAIR OR REPLACE IRRIGATION

SYSTEM TO MATCH EXISTING CONDITION

NOT FOR

CONSTRUCTION

Issue:

A C

B R

E R

N C

T, L

O N

G M

O N

T, C

1 2 3 4 5 6

CHECKED BY

DRAWN BY

DATE

JOB NO.

/2 9/

B Y

M M

:2 7:

M B

Y M

M C

E D

:\P R

A C

K\ D

S\ C

C R

W G

PROFESSIONAL ENGINEERING CONSULTANTS

303 SOUTH TOPEKA

WICHITA, KS 67202

316-262-2691 www.pec1.com

218058-008

FEB 20 2025

MBM

L101

LANDSCAPE PLAN

Deciduous Trees Symbol Quantity Botanical Name Common Name Size Height Spread

QU MA 1 Quercus macrocarpa Bur Oak 2" Cal. 50 40'

LEGEND

BLUEGRASS SOD TO MATCH EXISTING

PLANT LIST

1. UNDERGROUND UTILITIES SHALL BE LOCATED PRIOR TO BEGINNING WORK.

2. PROPOSED TREES SHALL BE IRRIGATED WITH A MODIFICATION TO THE EXISTING AUTOMATIC UNDERGROUND IRRIGATION SYSTEM.

PROVIDE OWNERS REPRESENTATIVE WITH AS BUILT DRAWINGS OF IRRIGATION MODIFICATIONS.

3. SOIL FOR LANDSCAPE AREAS SHALL BE AMENDED WITH THREE (3) CUBIC YARDS OF ORGANIC MATERIAL PER 1,000 SQUARE FEET.

4. PLANT MATERIAL SHALL COMPLY WITH THE REQUIREMENTS OF THE COLORADO NURSERY ACT OF 1973, CRS TITLE 3S, AS AMENDED.

5. NO PLANT MATERIAL WITH MATURE GROWTH GREATER THAN THREE (3) FEET IN HEIGHT SHALL BE PLANTED WITHIN POTABLE WATER, SANITARY SEWER, OR NON-POTABLE IRRIGATION EASEMENTS.

6. NO SHRUBS SHALL BE PLANTED WITHIN FIVE (5) FEET OR TREES WITHIN TEN (10) FEET OF POTABLE OR NON-POTABLE WATER METERS, FIRE HYDRANTS, SANITARY SEWER MANHOLES, OR POTABLE WATER, SANITARY SEWER, AND NON-POTABLE IRRIGATION MAINS AND

SERVICES.

7. PLANTINGS SHALL NOT OBSTRUCT SIGHT LINE DISTANCES ALONG ROADWAYS, INTERSECTIONS AND PARKING LOTS.

LANDSCAPE NOTES

NATIVE SEED

29% BLUE GRAMA (BOUTELOUA GRACILIS)

25% BUFFALOGRASS (BUCHLOE DACTYLOIDES)

20% SIDEOATS GRAMA (BOUTELOUA CURTIPENDULA)

20% WESTERN WHEATGRASS (PASCOPYRUM SMITHII)

5% GREEN NEEDLEGRASS (NASSELLA VIRIDULA)

1% SAND DROPSEED (SPOROBOLUS CRYPTANDRUS)

HYDROLIC MULCH SEEDING AT 20 LBS/PLS/AC

14 14

MAR 21 2025

Sheets and Views

C-101 COVER SHEET

VF101 EXISTING CONDITIONS

CD101 DEMOLITION PLAN

CS101 SITE PLAN

CS102 PEDESTRIAN BRIDGE PLAN AND PROFILE

CS103 PEDESTRIAN BRIDGE ABUTMENT PLAN

CS201 HORIZONTAL CONTROL PLAN

CS501 TYPICAL SITE & UTILITY DETAILS

CG101 GRADING PLAN

CG201 EROSION CONTROL PLAN

CG501 EROSION CONTROL DETAILS

CU101 UTILITY PLAN AND PROFILE

CU501 TYPICAL IRRIGATION DETAILS

File details come from the government source that posted it. Updated Aug 21, 2025.