ntb2425chldr00061ad1.pdf

\\projects-dfs\projects\2022\2168.22\04_PRCMNT\00_PASS\2425CHLDR-Add01.docx

ADDENDUM

NO. 01

TO: All Planholders

FROM: Michael Krusing, PE

PROJECT NAME: 2425CHLDR, Childress Municipal Airport, Airfield Pavement Improvements Project

PROJECT NO.: 01216822

DATE: March 6, 2024

Attention all Prospective Proposers/Planholders: The following are modifications to referenced Drawings and Project Manual. This Addendum becomes a part of Contract Documents and modifies original Contract Documents dated November 20, 2023, as noted herein:

This Addendum consists of Summary, Drawings, and Prebid Meeting Minutes. Bid Form provided under separate cover.

I. CHANGE(S) TO BID FORM: Replace Bid Form in its entirety.

II. CHANGE(S) TO DRAWINGS:

1. Replace the following in their entirety:

a. Sheet G-002

b. Sheet C-101

c. Sheet C-102

d. Sheet C-103

e. Sheet C-104

f. Sheet C-105

g. Sheet C-106

h. Sheet C-107

i. Sheet C-501

III. OTHER: Prebid Meeting Minutes package.

END OF ADDENDUM NO. 01

Respectfully submitted, PARKHILL

By:

Bidder shall acknowledge receipt of this addendum below and on Bid Proposal.

Attach entire addendum to Bid Proposal submission.

ACKNOWLEDGED:

By:

CONTROL POINTS

POINT #

NORTHING

3441666.2770

3441562.4695

3441469.3513

3441423.5320

3441411.1668

3441371.1468

3441360.3681

3441315.0813

3441222.1740

3441066.4037

3440866.4459

3440896.0413

3441066.9530

3441266.9104

3441466.5455

3441556.6299

3441602.4492

3441616.3410

3441623.3822

3441628.2732

3441625.0557

3441614.6681

3441674.3148

3441662.3087

3441655.2675

3441650.3765

3441653.5940

3441665.6131

3441710.8998

EASTING

1022932.0784

1022929.9449

1022933.1626

1022945.1818

1022985.4921

1022984.9740

1022943.8836

1022929.9919

1022922.9509

1022919.7493

1022915.6396

1022889.1998

1022892.7283

1022896.8564

1022900.7975

1022897.6849

1022885.6657

1022840.3790

1022747.4717

1022509.5203

1022416.4020

1022376.8025

1022378.0285

1022417.1678

1022510.0751

1022748.0265

1022841.1448

1022886.9640

1022900.8558

ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

17+00 18+00 19+00 20+00 21+00 22+00 23+00 24+00 25+00

22+00 23+00 24+00 25+00 26+00 27+00 28+00 29+00 30+00 31+00

0+

1+

2+

3+

4+

5+

5+

37 38

41 42

45 46 47

48495051

Parkhill.com

PROJECT NO.

CLIENT

# DATE DESCRIPTION

A:

\2

2\

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N

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, s da ne

C hi ld re ss M un ic ip al

A irp or t

A irf ie ld

P av em en t I m pr ov em en ts P ro je ct

CITY OF CHILDRESS

CHILDRESS MUNICIPAL AIRPORT

15716 FM 164

CHILDRESS, TEXAS

ZIP CODE 79201

01.2168.22

1 11/20/2023 BID SUBMITTAL

2 03/06/2024 ADDENDUM NO. 1

PRO

FESS I ONA L ENG I N

EERL

I C E N S E

D

STATE OF TEXAS

PA

R

K H

I L L

S

M I TH & COOPER , I NC

. F

- 5

MICHAEL KRUSING

111822

03/06/2024

C-103

Pavement Demolition Plan (STA 22+00 To 31+00)

0 40' 80'

N

DEMOLITION NOTES

LEGEND

1. ANY AREA DISTURBED BY THE CONTRACTOR OUTSIDE OF THE APPROVED

WORK AREA BOUNDARY SHALL BE REPAIRED AT THE CONTRACTOR'S

EXPENSE.

2. ASPHALT BASE MATERIAL TO BE BLENDED TOGETHER AS SPECIFIED IN

SECTION P-207.

3. AREA OUTSIDE OF PAVEMENT TO BE MILLED TOGETHER SHALL BE

DEMOLISHED TO A DEPTH OF 4 INCHES OR DEPTH OF CONCRETE. AREA OF

DEMOLITION IN EXCESS OF 4 INCHES TO BE FILLED WITH EXCAVATION

MATERIAL FROM P-207 MATERIAL. AREA TO BE FILLED WITH TOPSOIL AS

SPECIFIED IN T-905.

4. ALL EXCESS MATERIAL TO BE STOCKPILED ON BORROW AREA WEST OF

RUNWAY 36'S APPROACH. STOCKPILE TO BE NO CLOSER THAN 250 FEET

FROM RUNWAY CENTERLINE.

5. NO CONSTRUCTION MAY OCCUR WITHIN THE RUNWAY SAFETY AREA (RSA)

WHILE RUNWAY 18-36 IS OPEN FOR AIRCRAFT OPERATIONS. COORDINATE

ANY CLOSURE OF RUNWAY 18-36 WITH CDS OPERATIONS. CDS TO ISSUE

APPLICABLE NOTAM.

6. UTILITIES SHOWN HAVE NOT BEEN VERIFIED. CONTRACTOR RESPONSIBLE

FOR VERIFYING UTILITY LOCATIONS THROUGH TEXAS 811 AND BY

COORDINATING WITH CDS, CITY OF CHILDRESS OR CHILDRESS MUNICIPAL

AIRPORT, AND UTILITY OWNERS. ANY DAMAGE TO EXISTING UTILITIES SHALL

BE REPAIRED BY THE CONTRACTOR AT THE CONTRACTOR'S EXPENSE.

7. CONTRACTOR TO OBLITERATE TAXIWAY MARKINGS THAT ARE NOT

REMOVED BY PAVEMENT DEMOLITION EFFORTS THAT COULD CAUSE PILOT

CONFUSION. CONFIRM LOCATIONS WITH ENGINEER IN FIELD.

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

2+

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

1+

EXISTING ASPHALT PAVEMENT TO REMAIN

EXISTING CONCRETE APRON TO REMAIN

ASPHALT MATERIAL TO BE BLENDED FOR USE IN P-207

CONCRETE TO BE DEMOLISHED

EXCESS ASPHALT TO BE DEMOLISHED

EXISTING RUNWAY SHOULDER TO REMAIN

DEMOLITION CONTROL POINTS

EXISTING RUNWAY EDGE LIGHTS TO REMAIN

http://www.parkhill.com/

NORTHING

3440800.0920

3440707.3948

3440661.5783

3440649.2899

3440608.9560

3440598.3868

3440553.1090

3440461.7799

3440266.5727

3440066.6150

3439966.6361

3439967.1847

3440067.1636

3440267.1214

3440417.0897

3440556.3513

3440648.8615

3440694.6781

3440708.5597

3440715.4534

3440720.3789

3440717.1614

3440706.7738

3440766.4271

3440754.4319

3440747.4117

3440742.5743

3440745.8129

3440757.8423

3440803.1322

EASTING

1022914.2759

1022917.5011

1022929.5312

1022969.6255

1022968.6177

1022928.2195

1022914.2986

1022907.3178

1022903.3054

1022899.1953

1022897.1403

1022870.1517

1022872.2066

1022876.3163

1022879.3986

1022882.2608

1022879.0434

1022867.0139

1022821.7241

1022730.4902

1022490.8588

1022397.7406

1022358.1410

1022359.3670

1022398.5024

1022491.4114

1022729.3639

1022822.4814

1022868.2980

1022882.1795

ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

26+00 27+00 28+00 29+00 30+00 31+00 32+00 33+00 34+00

31+00 32+00 33+00 34+00 35+00 36+00 37+00 38+00 39+00 40+00

0+

1+

2+

3+

4+

5+

5+

69 70

72 73 74 75 76

7778798081

Parkhill.com

PROJECT NO.

CLIENT

# DATE DESCRIPTION

A:

\2

2\

.2 2\

_D

SG

N

\0 1_

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G \0

_C

IV

IL

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-1

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/2

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PM

, s da ne

C hi ld re ss M un ic ip al

A irp or t

A irf ie ld

P av em en t I m pr ov em en ts P ro je ct

CITY OF CHILDRESS

CHILDRESS MUNICIPAL AIRPORT

15716 FM 164

CHILDRESS, TEXAS

ZIP CODE 79201

01.2168.22

1 11/20/2023 BID SUBMITTAL

2 03/06/2024 ADDENDUM NO. 1

PRO

FESS I ONA L ENG I N

EERL

I C E N S E

D

STATE OF TEXAS

PA

R

K H

I L L

S

M I TH & COOPER , I NC

. F

- 5

MICHAEL KRUSING

111822

03/06/2024

0 40' 80'

N

DEMOLITION NOTES

LEGEND

1. ANY AREA DISTURBED BY THE CONTRACTOR OUTSIDE OF THE APPROVED

WORK AREA BOUNDARY SHALL BE REPAIRED AT THE CONTRACTOR'S

EXPENSE.

2. ASPHALT BASE MATERIAL TO BE BLENDED TOGETHER AS SPECIFIED IN

SECTION P-207.

3. AREA OUTSIDE OF PAVEMENT TO BE MILLED TOGETHER SHALL BE

DEMOLISHED TO A DEPTH OF 4 INCHES OR DEPTH OF CONCRETE. AREA OF

DEMOLITION IN EXCESS OF 4 INCHES TO BE FILLED WITH EXCAVATION

MATERIAL FROM P-207 MATERIAL. AREA TO BE FILLED WITH TOPSOIL AS

SPECIFIED IN T-905.

4. ALL EXCESS MATERIAL TO BE STOCKPILED ON BORROW AREA WEST OF

RUNWAY 36'S APPROACH. STOCKPILE TO BE NO CLOSER THAN 250 FEET

FROM RUNWAY CENTERLINE.

5. NO CONSTRUCTION MAY OCCUR WITHIN THE RUNWAY SAFETY AREA (RSA)

WHILE RUNWAY 18-36 IS OPEN FOR AIRCRAFT OPERATIONS. COORDINATE

ANY CLOSURE OF RUNWAY 18-36 WITH CDS OPERATIONS. CDS TO ISSUE

APPLICABLE NOTAM.

6. UTILITIES SHOWN HAVE NOT BEEN VERIFIED. CONTRACTOR RESPONSIBLE

FOR VERIFYING UTILITY LOCATIONS THROUGH TEXAS 811 AND BY

COORDINATING WITH CDS, CITY OF CHILDRESS OR CHILDRESS MUNICIPAL

AIRPORT, AND UTILITY OWNERS. ANY DAMAGE TO EXISTING UTILITIES SHALL

BE REPAIRED BY THE CONTRACTOR AT THE CONTRACTOR'S EXPENSE.

7. CONTRACTOR TO OBLITERATE TAXIWAY MARKINGS THAT ARE NOT

REMOVED BY PAVEMENT DEMOLITION EFFORTS THAT COULD CAUSE PILOT

CONFUSION. CONFIRM LOCATIONS WITH ENGINEER IN FIELD.

C-104

Pavement Demolition Plan (STA 31+00 To 40+00)

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

1+

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

0+

EXISTING ASPHALT PAVEMENT TO REMAIN

EXISTING CONCRETE APRON TO REMAIN

ASPHALT MATERIAL TO BE BLENDED FOR USE IN P-207

CONCRETE TO BE DEMOLISHED

EXCESS ASPHALT TO BE DEMOLISHED

EXISTING RUNWAY SHOULDER TO REMAIN

DEMOLITION CONTROL POINTS

EXISTING RUNWAY EDGE LIGHTS TO REMAIN

NORTHING

3439866.6572

3439666.6994

3439466.7417

3439266.7839

3439184.5225

3439066.3824

3439033.8766

3439050.7146

3439061.3108

3439067.3079

3439071.8162

3439068.5987

3439058.1389

3439117.9411

3439105.8517

3439098.8105

3439094.1213

3439097.3752

3439109.8211

3439153.9003

3439199.5304

3439233.8618

3439467.2903

3439667.2481

3439867.2059

EASTING

1022895.0852

1022890.9752

1022886.8651

1022882.7550

1022881.0642

1022865.6016

1022819.9127

1022805.4515

1022761.6634

1022676.3043

1022456.9731

1022363.8549

1022323.9803

1022325.2095

1022364.6206

1022457.5280

1022685.6593

1022778.7601

1022825.2518

1022844.5755

1022853.1864

1022855.0798

1022859.8774

1022863.9871

1022868.0968

ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

35+00 36+00 37+00 38+00 39+00 40+00 41+00

40+00 41+00 42+00 43+00 44+00 45+00 46+00 47+00

96 97 98 99 100

116117118119120

Parkhill.com

PROJECT NO.

CLIENT

# DATE DESCRIPTION

A:

\2

2\

.2 2\

_D

SG

N

\0 1_

D W

G \0

_C

IV

IL

\C -1

-1

D

EM

O

-2

8.

D

W G

, 1 1/

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5:

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PM

, s da ne

C hi ld re ss M un ic ip al

A irp or t

A irf ie ld

P av em en t I m pr ov em en ts P ro je ct

CITY OF CHILDRESS

CHILDRESS MUNICIPAL AIRPORT

15716 FM 164

CHILDRESS, TEXAS

ZIP CODE 79201

01.2168.22

1 11/20/2023 BID SUBMITTAL

2 03/06/2024 ADDENDUM NO. 1

PRO

FESS I ONA L ENG I N

EERL

I C E N S E

D

STATE OF TEXAS

PA

R

K H

I L L

S

M I TH & COOPER , I NC

. F

- 5

MICHAEL KRUSING

111822

03/06/2024

C-105

Pavement Demolition Plan (STA 40+00 To 47+00)

0 40' 80'

N

DEMOLITION NOTES

LEGEND

1. ANY AREA DISTURBED BY THE CONTRACTOR OUTSIDE OF THE APPROVED

WORK AREA BOUNDARY SHALL BE REPAIRED AT THE CONTRACTOR'S

EXPENSE.

2. ASPHALT BASE MATERIAL TO BE BLENDED TOGETHER AS SPECIFIED IN

SECTION P-207.

3. AREA OUTSIDE OF PAVEMENT TO BE MILLED TOGETHER SHALL BE

DEMOLISHED TO A DEPTH OF 4 INCHES OR DEPTH OF CONCRETE. AREA OF

DEMOLITION IN EXCESS OF 4 INCHES TO BE FILLED WITH EXCAVATION

MATERIAL FROM P-207 MATERIAL. AREA TO BE FILLED WITH TOPSOIL AS

SPECIFIED IN T-905.

4. ALL EXCESS MATERIAL TO BE STOCKPILED ON BORROW AREA WEST OF

RUNWAY 36'S APPROACH. STOCKPILE TO BE NO CLOSER THAN 250 FEET

FROM RUNWAY CENTERLINE.

5. NO CONSTRUCTION MAY OCCUR WITHIN THE RUNWAY SAFETY AREA (RSA)

WHILE RUNWAY 18-36 IS OPEN FOR AIRCRAFT OPERATIONS. COORDINATE

ANY CLOSURE OF RUNWAY 18-36 WITH CDS OPERATIONS. CDS TO ISSUE

APPLICABLE NOTAM.

6. UTILITIES SHOWN HAVE NOT BEEN VERIFIED. CONTRACTOR RESPONSIBLE

FOR VERIFYING UTILITY LOCATIONS THROUGH TEXAS 811 AND BY

COORDINATING WITH CDS, CITY OF CHILDRESS OR CHILDRESS MUNICIPAL

AIRPORT, AND UTILITY OWNERS. ANY DAMAGE TO EXISTING UTILITIES SHALL

BE REPAIRED BY THE CONTRACTOR AT THE CONTRACTOR'S EXPENSE.

7. CONTRACTOR TO OBLITERATE TAXIWAY MARKINGS THAT ARE NOT

REMOVED BY PAVEMENT DEMOLITION EFFORTS THAT COULD CAUSE PILOT

CONFUSION. CONFIRM LOCATIONS WITH ENGINEER IN FIELD.

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

0+

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

7+

EXISTING ASPHALT PAVEMENT TO REMAIN

EXISTING CONCRETE APRON TO REMAIN

ASPHALT MATERIAL TO BE BLENDED FOR USE IN P-207

CONCRETE TO BE DEMOLISHED

EXCESS ASPHALT TO BE DEMOLISHED

EXISTING RUNWAY SHOULDER TO REMAIN

DEMOLITION CONTROL POINTS

EXISTING RUNWAY EDGE LIGHTS TO REMAIN

NORTHING

3438967.1868

3438756.0689

3438570.6507

3438370.5967

3438170.6130

3438171.1830

3438371.1408

3438571.0985

3438758.1174

3438905.4868

3438988.9901

EASTING

1022852.4052

1022824.5660

1022820.2938

1022816.4096

1022812.1160

1022785.5382

1022789.6483

1022793.7583

1022797.6025

1022817.0354

1022823.7754

ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

42+00 43+00 44+00 45+00 46+00 47+00 48+00 49+00 50+00

47+00

48+00

49+00

50+00

51+00 52+00 53+00 54+00 55+00 56+00

0+

1+

2+

3+

4+

5+

5+

108109

122 123 124

127128129

Parkhill.com

PROJECT NO.

CLIENT

# DATE DESCRIPTION

A:

\2

2\

.2 2\

_D

SG

N

\0 1_

D W

G \0

_C

IV

IL

\C -1

-1

D

EM

O

-2

8.

D

W G

, 1 1/

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5:

:4

PM

, s da ne

C hi ld re ss M un ic ip al

A irp or t

A irf ie ld

P av em en t I m pr ov em en ts P ro je ct

CITY OF CHILDRESS

CHILDRESS MUNICIPAL AIRPORT

15716 FM 164

CHILDRESS, TEXAS

ZIP CODE 79201

01.2168.22

1 11/20/2023 BID SUBMITTAL

2 03/06/2024 ADDENDUM NO. 1

PRO

FESS I ONA L ENG I N

EERL

I C E N S E

D

STATE OF TEXAS

PA

R

K H

I L L

S

M I TH & COOPER , I NC

. F

- 5

MICHAEL KRUSING

111822

03/06/2024

C-106

Pavement Demolition Plan (STA 47+00 To 56+00)

0 40' 80'

N

DEMOLITION NOTES

LEGEND

1. ANY AREA DISTURBED BY THE CONTRACTOR OUTSIDE OF THE APPROVED

WORK AREA BOUNDARY SHALL BE REPAIRED AT THE CONTRACTOR'S

EXPENSE.

2. ASPHALT BASE MATERIAL TO BE BLENDED TOGETHER AS SPECIFIED IN

SECTION P-207.

3. AREA OUTSIDE OF PAVEMENT TO BE MILLED TOGETHER SHALL BE

DEMOLISHED TO A DEPTH OF 4 INCHES OR DEPTH OF CONCRETE. AREA OF

DEMOLITION IN EXCESS OF 4 INCHES TO BE FILLED WITH EXCAVATION

MATERIAL FROM P-207 MATERIAL. AREA TO BE FILLED WITH TOPSOIL AS

SPECIFIED IN T-905.

4. ALL EXCESS MATERIAL TO BE STOCKPILED ON BORROW AREA WEST OF

RUNWAY 36'S APPROACH. STOCKPILE TO BE NO CLOSER THAN 250 FEET

FROM RUNWAY CENTERLINE.

5. NO CONSTRUCTION MAY OCCUR WITHIN THE RUNWAY SAFETY AREA (RSA)

WHILE RUNWAY 18-36 IS OPEN FOR AIRCRAFT OPERATIONS. COORDINATE

ANY CLOSURE OF RUNWAY 18-36 WITH CDS OPERATIONS. CDS TO ISSUE

APPLICABLE NOTAM.

6. UTILITIES SHOWN HAVE NOT BEEN VERIFIED. CONTRACTOR RESPONSIBLE

FOR VERIFYING UTILITY LOCATIONS THROUGH TEXAS 811 AND BY

COORDINATING WITH CDS, CITY OF CHILDRESS OR CHILDRESS MUNICIPAL

AIRPORT, AND UTILITY OWNERS. ANY DAMAGE TO EXISTING UTILITIES SHALL

BE REPAIRED BY THE CONTRACTOR AT THE CONTRACTOR'S EXPENSE.

7. CONTRACTOR TO OBLITERATE TAXIWAY MARKINGS THAT ARE NOT

REMOVED BY PAVEMENT DEMOLITION EFFORTS THAT COULD CAUSE PILOT

CONFUSION. CONFIRM LOCATIONS WITH ENGINEER IN FIELD.

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

7+

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

6+

EXISTING ASPHALT PAVEMENT TO REMAIN

EXISTING CONCRETE APRON TO REMAIN

ASPHALT MATERIAL TO BE BLENDED FOR USE IN P-207

CONCRETE TO BE DEMOLISHED

EXCESS ASPHALT TO BE DEMOLISHED

EXISTING RUNWAY SHOULDER TO REMAIN

DEMOLITION CONTROL POINTS

EXISTING RUNWAY EDGE LIGHTS TO REMAIN

NORTHING

3438070.6611

3437870.7042

3437670.7537

3437493.6630

3437417.9783

3437382.5809

3437368.5268

3437371.2636

3437375.8557

3437379.8771

3437421.2998

3437409.2104

3437402.1692

3437398.2580

3437401.4755

3437413.4947

3437458.7814

3437551.6887

3437671.2886

3437871.2463

3438071.2041

EASTING

1022810.1962

1022806.0416

1022801.5752

1022798.5970

1022797.0620

1022781.5402

1022745.5349

1022612.3854

1022388.9745

1022289.4841

1022290.3356

1022329.7467

1022422.6541

1022612.9342

1022706.0524

1022751.8717

1022765.7635

1022772.8047

1022775.2630

1022779.3731

1022783.4832

ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA

ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA ROFA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA RSA

60+0051+00 52+00 53+00 54+00 55+00 56+00 57+00 58+00 59+00 60+00

70+05

56+00 57+00 58+00 59+00 60+00 61+00 62+00 63+00 64+00

+0

+0

+0

+0

+0

+0

132 133 134 135 136

149150151152

Parkhill.com

PROJECT NO.

CLIENT

# DATE DESCRIPTION

A:

\2

2\

.2 2\

_D

SG

N

\0 1_

D W

G \0

_C

IV

IL

\C -1

-1

D

EM

O

-2

8.

D

W G

, 1 1/

/2

5:

:4

PM

, s da ne

C hi ld re ss M un ic ip al

A irp or t

A irf ie ld

P av em en t I m pr ov em en ts P ro je ct

CITY OF CHILDRESS

CHILDRESS MUNICIPAL AIRPORT

15716 FM 164

CHILDRESS, TEXAS

ZIP CODE 79201

01.2168.22

1 11/20/2023 BID SUBMITTAL

2 03/06/2024 ADDENDUM NO. 1

PRO

FESS I ONA L ENG I N

EERL

I C E N S E

D

STATE OF TEXAS

PA

R

K H

I L L

S

M I TH & COOPER , I NC

. F

- 5

MICHAEL KRUSING

111822

03/06/2024

C-107

Pavement Demolition Plan (STA 56+00 To 70+05)

0 40' 80'

N

DEMOLITION NOTES LEGEND

1. ANY AREA DISTURBED BY THE CONTRACTOR OUTSIDE OF THE APPROVED WORK

AREA BOUNDARY SHALL BE REPAIRED AT THE CONTRACTOR'S EXPENSE.

2. ASPHALT BASE MATERIAL TO BE BLENDED TOGETHER AS SPECIFIED IN SECTION

P-207.

3. AREA OUTSIDE OF PAVEMENT TO BE MILLED TOGETHER SHALL BE DEMOLISHED TO

A DEPTH OF 4 INCHES OR DEPTH OF CONCRETE. AREA OF DEMOLITION IN EXCESS

OF 4 INCHES TO BE FILLED WITH EXCAVATION MATERIAL FROM P-207 MATERIAL.

AREA TO BE FILLED WITH TOPSOIL AS SPECIFIED IN T-905.

4. ALL EXCESS MATERIAL TO BE STOCKPILED ON BORROW AREA WEST OF RUNWAY

36'S APPROACH. STOCKPILE TO BE NO CLOSER THAN 250 FEET FROM RUNWAY

CENTERLINE.

5. NO CONSTRUCTION MAY OCCUR WITHIN THE RUNWAY SAFETY AREA (RSA) WHILE

RUNWAY 18-36 IS OPEN FOR AIRCRAFT OPERATIONS. COORDINATE ANY CLOSURE

OF RUNWAY 18-36 WITH CDS OPERATIONS. CDS TO ISSUE APPLICABLE NOTAM.

6. UTILITIES SHOWN HAVE NOT BEEN VERIFIED. CONTRACTOR RESPONSIBLE FOR

VERIFYING UTILITY LOCATIONS THROUGH TEXAS 811 AND BY COORDINATING WITH

CDS, CITY OF CHILDRESS OR CHILDRESS MUNICIPAL AIRPORT, AND UTILITY

OWNERS. ANY DAMAGE TO EXISTING UTILITIES SHALL BE REPAIRED BY THE

CONTRACTOR AT THE CONTRACTOR'S EXPENSE.

7. CONTRACTOR TO OBLITERATE TAXIWAY MARKINGS THAT ARE NOT REMOVED BY

PAVEMENT DEMOLITION EFFORTS THAT COULD CAUSE PILOT CONFUSION.

CONFIRM LOCATIONS WITH ENGINEER IN FIELD.

M

AT

C H

LI

N

E

SE

E

SH

EE

T

C -1

, S

TA

6+

EXISTING ASPHALT PAVEMENT TO REMAIN

EXISTING CONCRETE APRON TO REMAIN

ASPHALT MATERIAL TO BE BLENDED FOR USE IN P-207

CONCRETE TO BE DEMOLISHED

EXCESS ASPHALT TO BE DEMOLISHED

EXISTING RUNWAY SHOULDER TO REMAIN

DEMOLITION CONTROL POINTS

EXISTING RUNWAY EDGE LIGHTS TO REMAIN

A4 RUNWAY 18-36 PAVEMENT REHABILITATION DETAIL (1/4" TO 1-1/2" WIDE)

NO SCALE

P-631, REFINED COAL

TAR EMULSION WITH

ADDITIVES, SLURRY

SEAL SURFACE

TREATMENT

12.5'

A1 TYPICAL EXIT TAXIWAY PAVEMENT SECTION

NO SCALE

1'

EXISTING

GROUND

SLOPE = 1.00%

1'

EXISTING

GROUND

12.5'

TSA (39.5')

TOFA (62')TOFA (62')

SLOPE = 1.00%

1" EDGE DROP 1" EDGE DROP

TSA (39.5')

P-152 EXCAVATION / EMBANKMENT

(AS REQUIRED)

CLEAN AND PREPARE CRACK AND FILL

WITH SEALANT PER P-101 (LEAVE 18"

BELOW SURFACE)

IF AFTER CRACK/JOINT HAS BEEN CLEANED AND THE

DEPTH TO WIDTH RATIO IS GREATER THAN 1.0, FILL

CRACK/JOINT WITH APPROVED SAND MATERIAL TO

ACHIEVE 1:1 RATIO PRIOR TO FILLING WITH CRACK

SEALANT.

D

W

C1 TAXIWAY A NORTH & SOUTH EXIT TAXIWAY TYPICAL PAVEMENT SECTION

NO SCALE

B1 TAXIWAY A TYPICAL PAVEMENT SECTION

NO SCALE

1'

EXISTING

GROUND

12.5'

TSA (39.5')

TOFA (62')

1" DROP

3" TXDOT SS 3076, DENSE-GRADED

HOT-MIX ASPHALT, TYPE D

P-602 EMULSIFIED PRIME COAT

8" P-207 IN-PLACE RECYCLED

ASPHALT AGGREGATE BASE COURSE

NOTES

1. IN AREAS WHERE EXISTING PAVEMENT DOES NOT EXTEND

INTO PROPOSED FINISHED ASPHALT SURFACE AREA,

CONTRACTOR TO EXCAVATE SUBGRADE SUFFICIENT DEPTH

FOR P-207 AND TXDOT 341 MATERIAL. CONTRACTOR SHALL

COMPACT 6 INCHES OF SUBGRADE MATERIAL PRIOR TO

PLACEMENT OF EXCESS P-207 MATERIAL.

CL

CL

3" TXDOT SS 3076, DENSE-GRADED

HOT-MIX ASPHALT, TYPE D

P-602 EMULSIFIED PRIME COAT

8" P-207 IN-PLACE RECYCLED

ASPHALT AGGREGATE BASE COURSE

METAL BASE SHALL BE

THREADED ONTO 1/2"

METAL PIPE

B4 ELEVATED REFLECTIVE TAXIWAY MARKER

NO SCALE

BLUE

REFLECTIVE

MEDIA

1' -2

2 1/2" WHITE

PLASTIC PIPE

10'

TO TAXIWAY EDGE

1' -6

1/2" GALVANIZED METAL

PIPE THREADED ON END

TO ATTACH TO MARKER

DRILLED INTO GROUND OR

PAVEMENT.

12.5'

PROPOSED EDGE

OF TAXIWAY

EXISTING

ASPHALT

TO REMAIN

D1 TYPICAL P-207 BLENDING DETAIL

NO SCALE

BLEND 11" OF EXISTING ASPHALT

AND BASE FOR USE IN P-207

NOTES

1. CONTRACTOR TO EITHER SAWCUT OR MILL EDGE

IF ABLE TO CREATE VERTICAL FACE WITHOUT

DAMAGING NEARBY ASPHALT.

2. CONTRACTOR TO EXCAVATE EXCESS MATERIAL

TO CREATE LINES REQUIRED BY GRADING PLAN.

TYPICAL EXCAVATION IS 3 INCHES.

ASPHALT CONCRETE TO BE

REMOVED OR REMAIN 1' OUTSIDE

PROPOSED PAVEMENT EDGE1

1' OUTSIDE PROPOSED

PAVEMENT EDGE

1' OUTSIDE PROPOSEDPAVEMENT EDGE

C

S - 1.00% TYP

1'

12.5'

TSA (39.5')

TOFA (62')

1" DROP

CL

3" TXDOT SS 3076, DENSE-GRADED

HOT-MIX ASPHALT, TYPE D

P-602 EMULSIFIED PRIME COAT

8" P-207 IN-PLACE RECYCLED

ASPHALT AGGREGATE BASE COURSE

12.5'

EXISTING

GROUND

1'

TSA (39.5')

TOFA (62')

EXISTING

GROUND

NOTES

1. IN AREAS WHERE EXISTING PAVEMENT DOES NOT EXTEND

INTO PROPOSED FINISHED ASPHALT SURFACE AREA,

CONTRACTOR TO EXCAVATE SUBGRADE SUFFICIENT DEPTH

FOR P-207 AND TXDOT 341 MATERIAL. CONTRACTOR SHALL

COMPACT 6 INCHES OF SUBGRADE MATERIAL PRIOR TO

PLACEMENT OF EXCESS P-207 MATERIAL.

S - 1.00% TYP

SLOPE VARIES S - 1.00% TYP

BLEND BASE AND

ASPHALT 1' OUTSIDE

EDGE OF TWY

NOTES

1. WHEN MATCHING EXISTING PAVEMENT WITH PROPOSED

PAVEMENT EDGE, NEW EDGE SHOULD NOT EXCEED 1/8"

ABOVE EXISTING EDGE OR CAUSE PONDING ADJACENT TO

EDGE DEEPER THAN 1/8". IF LIP OR PONDING OCCURS,

CONTRACTOR SHALL GRIND EDGE TO ALLOW FLOW OF

STORMWATER OVER JOINT.

GRADE TO

EXISTING

GRADE TO

EXISTING

GRADE TO

EXISTING

GRADE TO

EXISTING

GRADE TO

EXISTING

Parkhill.com

PROJECT NO.

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CITY OF CHILDRESS

CHILDRESS MUNICIPAL AIRPORT

15716 FM 164

CHILDRESS, TEXAS

ZIP CODE 79201

01.2168.22

1 11/20/2023 BID SUBMITTAL

2 03/06/2024 ADDENDUM NO. 1

PRO

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STATE OF TEXAS

PA

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MICHAEL KRUSING

111822

03/06/2024

C-501 Pavement Details

\\projects-dfs\projects\2022\2168.22\04_PRCMNT\03_PRE_CONF\2024.03.06-PREBID\DRAFT\2425CHLDR-PrebidMinutes.docx

PREBID

MEETING

MINUTES

PROJECT NAME: Childress Municipal Airport, Airfield Pavement Improvements Project

PARKHILL PROJECT NO.: 01216822

TxDOT CSJ NO.: 2425CHLDR

DATE: Wednesday, March 6, 2024 TIME: 10a

LOCATION: Boedecker Flying Service, 15720 FM 164, Childress Tx 79201

BY: Michael Krusing, PE

Meeting minutes noted in red.

1. ATTENDANCE (attached)

2. ADVERTISEMENT FOR BID

A. Project Scope of Work:

Blend existing asphalt and base material to be used as P-207, cement added.

Remove excess asphalt, concrete, and base material adjacent to taxiway.

3-inch TxDOT Item SS 3076, Dense-Graded Hot Mix Asphalt.

Runway Marking Obliteration.

Runway and Taxiway Markings.

Asphalt Joint and Crack Repair on RWY 18-36.

Topsoil and seed areas where excess asphalt and base material were removed, plus other disturbed areas.

P-631 Refined Coal Tar Emulsion, with Additives, Slurry Seal Treatment.

Elevated Taxiway Edge Markers.

B. Question Deadline: 12p, Monday, March 11, 2024 C. Addendum No. 1 to be issued ASAP and will include:

Prebid meeting minutes Bid Proposal (correct typographical error on quantity for Bid Item No. 14).

Changes to:

i. Sheet G-002 (reference to TxDOT 341)

ii. Sheets C-101 through C-107 (change in location of stockpile of excess blended material)

iii. Sheet C-501 (reference to TxDOT 341)

D. Questions received after Prebid Meeting and Question Deadline will be addressed in Addendum No. 2. TxDOT to post March 13, 2024.

E. Bids will be accepted until 2p (CST), Wed, March 20, 2024, then publicly opened and read at City of Childress City Hall.

F. Address and deliver all sealed Bids to:

Kevin Hodges, City Manager City of Childress City Hall 315 Commerce Street Childress Texas 79201

3. INFORMATION TO BIDDERS

A. Bid Requirements

Refer to Notice to Bidders for TxDOT CSJ 2425CHLDR on TxDOT Aviation website Refer to website regularly for changes or addenda.

2425CHLDR Prebid Agenda Page 2 March 6, 2024

Bidders are encouraged to maximize HUB utilization equal to statewide HUB goals for type of work contracted. See advertisement for location of defined HUB goals.

Submit complete bound documents intact including:

• completed and signed proposal

• Bid Bond or cashier's check, money order, or teller check equaling 2% of total bid.

• acknowledgement of all addenda, include copy of each (if any)

• letter showing TxDOT prequalification or financial statement Contractor to submit HSP at time of bid.

Any subcontractors must be HUB-certified to qualify for use vs. 11.2% goal.

Any Good Faith Effort (GFE) must include documented effort.

Consult TxDOT Bidder Responsiveness Checklist before submitting bid.

4. TIME AND ORDER OF COMPLETION

A. Construction Duration:

BASE BID (161 calendar days):

Phase 1A, 63 calendar days.

Phase 1B, 14 calendar days (concurrent with Phase 1A) Phase 2A, 28 calendar days.

Phase 2B, 7 calendar days (concurrent with Phase 2A) Phase 3A, 70 calendar days.

Phase 3B, 21 calendar days (concurrent with Phase 3A).

B. Liquidated Damages: $1,000 per day.

5. LIMITATION OF OPERATIONS

Haul routes: As designated and approved by Engineer and Owner.

Stockpile, office, and plant areas: As approved by Engineer and Owner Preconstruction conference will be held prior to start of construction.

6. UTILITIES

Contractor to make provisions and pay for all utilities consumed during construction.

Contractor shall arrange for all utility usage.

7. TXDOT COMMENTS

Copies of TxDOT General Provisions are available online (TxDOT Aviation website).

Materials-on-hand, on site, or otherwise dedicated for this Project are eligible for payment.

No retainage held on Contractor’s monthly pay requests.

• TxDOT will pay 95% of completed Project prior to final inspection.

• Remaining 5% will be paid with the last final pay request approved by Project Manager.

8. PREBID QUESTIONS:

1. Q: What is the Engineer’s Opinion of Probable Cost?

A: $2,539,185.00

2. Q: Could any local events prohibit full access to Airport?

A: No.

For all Project questions/revisions/corrections, contact:

Michael Krusing, PE at 806.473.3671 (office) or mkrusing@parkhill.com.

mailto:mkrusing@parkhill.com virtual Paul Slusser TxDOT pslusser@txdot.gov virtual virtual

TxDOT

Debbie German Parkhill 806.473.3615 dagerman@parkhill.com

512-466-8546

Eli Lopez elopez@txdot.gov