CERTIFIED MAILED/EMAIL TO: All Vendors

Nancy Williams, Quality Assurance Analyst Herbert Judon, Jr., Augusta Regional Airport

FROM: Geri Sams rtKvlAACW

Procurement Direct�N �,v

-r

DATE: April 16, 2019

SUBJ: Clarifications to the Specifications and Responses to Vendor's Questions

BID ITEM: Bid Item #19-198 Southeast Drainage Ditch Enclosure for Augusta Regional Airport

BID OPENING DATE: Tuesday, April 23, 2019 @3:00 p.m.

ADDENDUM NO. 1

This Addendum shall form a part of the referenced Bid Item #19-198 Southeast Drainage Ditch Enclosure and any agreement entered into in connection therewith equally as if bound into the original document. Acknowledge receipt of all Addendums on Attachment "8" within the Specifications package.

Clarifications to the Specifications:

1. When you are instructed to ADD, DELETE, or MAKE CHANGES to a BID ITEM PAGEOR PAGES, these additions, deletions, or changes MUST be made on the bid itempages you submit with your bidding proposal, whether handwritten or computergenerated. When you are instructed to ADD A NON-BID ITEM PAGE(S}, ORPORTIONS THEREOF, you MUST CONSIDER it/them in developing your bid, but thephysical insertion of the new page(s) into the proposal is not necessary.

2. Sheet C-401. Updated Junction Box 1 Type callout from a Type 1 to a Type 2 JunctionBox.Make Changes to sheet C-401 with revisions seen on corresponding sheet attachedto this Addendum No. 1.

3. Sheet C-452. Updated Detail 2 and Detail 5 on sheet C-452 to correctly identify whattype of structure is proposed.Make changes to sheet C-452 with revisions seen on corresponding sheet attached tothis Addendum No. 1.

Responses to Vendor's Questions:

1. Question: Per Sheet G-082, two (2) lighted generator powered runway closure crossesshall be supplied by the Contractor. Per Sheets G-083 & 084, Contractor shall place andmaintain airport owned RW Closure X's. Please clarify if the Contractor is required toprovide their own X's as part of this project, or if it will be acceptable to utilize onesalready owned by the airportResponse: It will be acceptable for the Contractor to utilize the existing Airport ownedrunway closure X's.

Room 605 - 535 Telfair Street, Augusta Georgia 30901 (706) 821-2422 - Fax (706) 821-2811

www.augustaga.gov Register at www.demandstar.com/supplier for automatic bid notification

• Scan this QR code with your smartphone or camera equipped tablet to vIsIt the Augusta, Georgia

z Addendum 1 Bid 19-198 Southeast Drainage Ditch Enclosure

Page 1 of 2

2. Question: Per Sheet C-401, Junction Box 1 at station 12+30.72 shall be a Type 1 JunctionBox. Per sheet C-452, Junction Box 1 at Station 12+30. 72 shall be a Type 2. Please clarifywhich is correct.Response: Junction Box 1 at station 12+30.72 shall be a Type 2 Junction Box. Pleasesee the Clarifications to the Specifications above Change number 1 for revision tosheet C-401.

3. Question: What is the fee that the Contractor will owe per employee to get a SIDA badge?Response: Application fees are as follows:AOA, Hangar, and Event badges - $31.00SIDA and Sterile Area badges - $86.00Replacement badges (lost or stolen) - $50.00Prices are subject to change at any time.Please note that work for this project is within the AOA, however there is no workanticipated to be within the SIDA.

4. Question: Is there a maximum percentage that the Bidder is allowed to bid the Mobilizationand Airfield Safety bid items?Response: The mobilization and airfield safety bid items maximum percentages areup to the Contractor's discretion with the understanding that 25% of the mobilizationwill be paid upon acceptance of all submittals and establishment of Field Office, anadditional 25% shall be paid with 25% or more of the original contract is earned, anadditional 40% shall be paid when 50% or more of the original contract is earned, andthe final 10% shall be paid after final inspection and delivery of all project closeoutmaterials.

5. Question: Spec 156 states that temporary seeding and mulching is not measured and isincidental to Erosion Control Mob. How are the Bidders supposed to Bid the item forEmergency Erosion Control Mobilization without knowing the extent of no-pay BMP's thatcould be required to fix the urgent erosion control issue?Response: Emergency Erosion Control mobilization is utilized on an as needed basis.Cost associated with emergency erosion control mobilization is relative to themobilization required for the initial erosion control items and is up to the Contractor'sdiscretion. The contractor shall monitor all erosion control items daily to ensure allBMP's are installed and operating correctly. If any emergency erosion controlmeasures are required as directed by Engineer, the Contractor shall utilize the biditem "Emergency Erosion Control Mobilization."

6. Question: Drawing C-452 shows a Junction Box Type A and Type 2. The Bid Form has aJunction Box Type 1, with a quantity of Zero, and a Type 2. Please confirm the label andquantities for the Junction Boxes.Response: The bid form showing a quantity of O for a Type 1 Junction Box and aquantity of 2 for a Type 2 Junction Box is correct. The Junction Box Type A detail(2/C-452) on sheet C-452 shall be a precast catch basin with the Type A lid shown onC-452. Please see the Clarifications to the Specifications above Change 2 for revisionto sheet C-452.

ATTACHMENTS:

Please acknowledge addendum in your submittal

END OF ADDENDUM

REVISED PLAN SHEETS C-401 AND C-452 (2 SHEETS)

Addendum 1 Bid 19-198 Southeast Drainage Ditch Enclosure Page 2 of 2

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15+00 16+00 17+00 18+00 19+00 20+00 21+00

S

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SD SD

232.47' - 48" CONC @ 0.07%

142.43' - 48" CONC @ 0.10%

133.0

132.0

132.0

13

1.0

1

3

3

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1

3

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SD SD

INLET - 3

NORTH SOUTH DITCH-CL

STA: 16+05.61

OFF: 0.000

JUNCTION BOX-1

NORTH SOUTH DITCH-CL

STA: 12+30.72

OFF: 0.000

MH - 10

NORTH SOUTH DITCH-CL

CONSTRUCT OVER (E) STORM PIPE

JUNCTION BOX-2

NORTH SOUTH DITCH-CL

STA: 14+63.19

OFF: 0.000

S

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S

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136

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140

142

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146

131.41

131.03

130.66

130.34

130.34

10+00

131.11

131.11

131.87

131.87

132.29

132.30

132.53

132.53

11+00

132.63

132.71

132.69

132.80

132.88

132.89

132.94

132.94

12+00

132.95

132.89

132.97

132.90

133.00

132.89

133.09

132.94

13+00

133.15

132.98

133.15

132.92

133.16

132.97

133.21

132.93

14+00

133.27

132.89

133.26

132.85

133.02

132.87

132.79

132.96

15+00

132.63

133.05

132.52

133.14

132.37

133.23

132.22

133.32

16+00

132.26

133.25

132.35

133.13

132.44

133.02

132.54

132.92

17+00

132.64

132.81

132.74

132.71

132.83

132.65

132.91

132.58

18+00

132.98

132.51

132.88

132.35

132.69

132.18

132.52

132.04

19+00

132.35

131.96

132.18

131.93

132.01

131.90

131.84

131.82

20+00

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131.77

131.50

131.77

131.32

131.77

131.13

131.77

21+00

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131.75

STO JUNCTION BOX-1

TYPE 2

STA=12+30.72

RIM=132.95

48" INV NW=121.65

48" INV E=121.65

232.47' - 48"

CONC @ 0.07%

STO JUNCTION BOX-2

TYPE 2

STA=14+63.19

RIM=133.13

48" INV W=121.48

48" INV S=121.48

142.43' - 48"

CONC @ 0.10%

FINISHED GROUND

EXISTING GROUND (TYP)

FINISHED GROUND (TYP)

230.73' - 48"

CONC @ 0.08%

512.50' - 66"

CONC @ 0.13%

STO INLET - 1

CATCH BASIN - TYPE A

STA=9+99.98

RIM=130.34

48" INV SE=121.83

48" INV NW=121.83

STO INLET - 2

CATCH BASIN - TYPE A

STA=16+05.61 0.00

RIM=132.19

48" INV N=121.34

66" INV S=121.34

36" INV E=124.55

(E) 527.63' - 48"

CONC @ -0.24%

(E) GROUND

SHEET CONTENTS

DO NOT SCALE DRAWINGS

M&H NO.:

DATE:

DESIGNED BY:

DRAWN BY:

CHECKED BY:

ISSUED

These documents shall not be used for any

purpose or project for which it is not

intended. Mead & Hunt shall be indemnified by

the client and held harmless from all claims,

damages, liabilities, losses, and expenses,

including attorneys' fees and costs, arising out of

such misuse or reuse of the documents. In

addition, unauthorized reproduction of these

documents, in part or as a whole, is prohibited.

of

SHEET NO.

878 South Lake Drive

Lexington, SC 29072

phone: 803-996-2900

meadhunt.com

Mead and Hunt, Inc.

1501 A

VIA

TIO

N W

AY

, A

UG

US

TA

, G

A 30906-9620

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GU

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JANUARY 11, 2019

NOT FOR CONSTRUCTION

ISSUED FOR BID

Regional AirportAugusta

C-401

STORM LINE NORTH

SOUTH STA

10+00-21+00

EJS

CJB

EJS

X:\0119700\131805.01\T

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AD

\D

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-403 S

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32+

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4/10/2019 1:19:43 P

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46

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0119700-131805.01

JANUARY 11, 2019

AU

GU

ST

A, G

A 30906-9620

66

AIP NO.:

00 50 100

S

EE

S

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ET

C

-402

SE

E S

HE

ET

C

-402

MA

TC

HLIN

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TA

: 21+

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MA

TC

HLIN

E S

TA

: 21+

00

STORM LINE N/S STA 10+00-21+00 PLAN

STORM LINE N/S STA 10+00-21+00 PROFILE

BASE BID

BASE BID

RUNWAY 17 GLIDE SLOPE ANTENNA

NOTES:

1. SEE DEMOLITION SHEET FOR LOCATION OF (E)

INFRASTRUCTURE TO BE REMOVED UNDER THIS PROJECT.

C-452

3

PROJECT GRADING LIMITS

C-452

4

C-453

1

C-452

2

ADDENDUM #1 4/10/19

1

6.00'

7.00'

6.0

0'

7.0

0'

6.00'

7.00'

6.0

0'

7.0

0'

3.1

7'

6.20'

SHEET CONTENTS

DO NOT SCALE DRAWINGS

M&H NO.:

DATE:

DESIGNED BY:

DRAWN BY:

CHECKED BY:

ISSUED

These documents shall not be used for any

purpose or project for which it is not

intended. Mead & Hunt shall be indemnified by

the client and held harmless from all claims,

damages, liabilities, losses, and expenses,

including attorneys' fees and costs, arising out of

such misuse or reuse of the documents. In

addition, unauthorized reproduction of these

documents, in part or as a whole, is prohibited.

of

SHEET NO.

878 South Lake Drive

Lexington, SC 29072

phone: 803-996-2900

meadhunt.com

Mead and Hunt, Inc.

1501 A

VIA

TIO

N W

AY

, A

UG

US

TA

, G

A 30906-9620

AU

GU

ST

A R

EG

IO

NA

L A

IR

PO

RT

SO

UT

HE

AS

T D

RA

IN

AG

E D

IT

CH

EN

CL

OS

UR

E

JANUARY 11, 2019

NOT FOR CONSTRUCTION

ISSUED FOR BID

Regional AirportAugusta

C-452

STORM DRAIN

DETAILS 2

EJS

CJB

EJS

50

AIP NO.:

66

0119700-131805.01

(IF PRECAST)

LIFT HOLE

2-1/2 MAX. DIA.

A

B

B

SCALE:

PRECAST JUNCTION STRUCTURETYPE 2 - MH3:STA 14+28.62

NTS4

C-452

PLAN

8"

6'-0" x 8'-6" FOR TYPE 1

6'-0" x 6'-0" FOR TYPE 2

30"

4" P-610 CONCRETE COLLAR (TYP)

1'

6" MIN.

2' M

IN

4'

4'

SECTION VIEW

NOT TO SCALE

DRAINAGE STRUCTURE

COVER

8" CONCRETE COLLAR

PLAN VIEW

NOT TO SCALE

PRECAST OR CAST IN PLACE STRUCTURE.

BRICK AND BLOCK STRUCTURES SHALL

NOT BE ALLOWED.

MORTAR BEVEL (TYP.)

FLOW

FLOW

EJIW FRAME MODEL 1895 WITH GRATED COVER, OR

APPROVED EQUAL UNLESS OTHERWISE NOTED ON

PLANS. (RATED AT MINIMUM 100,000 LBS)

MANHOLE

STEPS 12"

O.C.

ECCENTRIC CONE SECTION

6"

1'

POROUS MATERIAL NO. 2

UN-PAVED

2" ADJUSTING RINGS

PROVIDE 4" MIN OF ADJUSTING RINGS

CASTING AND COVER SEATED

ON MORTAR

1.5"

4X4 D11.7/D11.7 WWF

SCALE:

JUNCTION STRUCTURETYPICAL SECTION DETAIL

NTS1

C-452

48" RCP

48" RCP

SCALE:

PRECAST JUNCTION STRUCTURETYPE 2 - MH2:STA 12+30.73 & MH3:14+28.62

NTS6

C-452

EJIW FRAME MODEL 1895 WITH

GRATED COVER, OR APPROVED

EQUAL UNLESS OTHERWISE NOTED

ON PLANS. (RATED AT MINIMUM

100,000 LBS)

A

(IF PRECAST)

LIFT HOLE

2-1/2 MAX. DIA.

A

B

B

PLAN

48" RCP

48" RCP

A

B

B

PLAN

48" RCP

48" RCP

A

SCALE:

PRECAST CATCH BASINTYPE A - MH1:STA 10+00

NTS5

C-452

SCALE:

PRECAST JUNCTION STRUCTURETYPE 2 - MH2:STA 12+30.73

NTS3

C-452

SCALE:

PRECAST CATCH BASINTYPE A - MH1:STA 10+00

NTS2

C-452

A

ADDENDUM #1 4/10/19

1