AGENCY SOLICITATION NUMBER – ARFQ DEP2200000011

Addendum Number: __3__

The Purpose of this addendum is to modify the solicitation identified as (“Agency Solicitation”) to reflect the change(s) identified and described below.

Applicable Addendum Category:

[] Modify bid opening date and time

[X] Modify specification of product or service being sought

[X] Attachment of vendor questions and responses

[] Attachment of pre-bid sign-in sheet

[X] Correction of error

[X] Other

Description of Modification to Solicitation:

This Addendum issued to publish and distribute the attached documentation to the vendor community.

1. Questions & answers

2. Clarifications, notes, & changes

3. Revised specifications

4. Revised Plan Sheet

5. Revised Bid Schedule

Additional Documentation: Documentation related to this Addendum (if any) has been included herewith as Attachment A and is specifically incorporated herein by reference.

Terms and Conditions:

1. All provision of the Agency Solicitation and other addenda not modified herein shall remain in full force and effect.

2. Vendor should acknowledge receipt of all addenda issued for this Agency Solicitation by completing an Addendum Acknowledgement, a copy of which is included herewith. Failure to acknowledge addenda may result in bid disqualification. The addendum acknowledgement should be submitted with the bid to expedite document processing.

Addendum #3 Buffalo C1 AMD Treatment Facility

Permits S-2001-86, S-52-80, S-2003-03, S-53-80, S-2001-87

ARFQ DEP 22*11

The following are questions that were identified at the Pre-Bid Conference (PBC) conducted on-site on August 24, 2021, questions provided to the WVDEP Procurement, Project Clarifications, Project Notes, Project changes, Technical Specification Changes, and Project Plan Changes. The answers and clarifications provided herein take precedence over verbal answers at the PBC and previously provided specifications and descriptions provided in the Solicitation should there be any conflicts between the two.

QUESTIONS

Q1. Per Addendum 2, Dominion Energy is providing the guard Services. Nothing is mentioned about the Guard trailer. Is this still to be provided? Dominion reps have not returned any calls, possibly you can clarify on this. Also, due to the extremely volatile market prices and extreme volatility of pipe itself and large quantities, can we bill for stored materials?

A1. Guard Services and trailer will be provided by Dominion Energy. Commodity Line Item 2 has been removed from the Bid Schedule with this Addendum. You cannot bill for stored materials, however in the schedule of values, a percentage may be attributed to the furnished materials/items brought onsite.

Q2. Per addendum 2, the quantities and sizes of the Directional drilling have changed but there are not any new drawings to reflect where the bores are. Is this something that can be provided?

A2. The directional drilling sizes that are listed on the plans, are the correct size, the original sizes on the Bid Schedule were not correct.

Q3. Can Chief Buildings be approved as an acceptable manufacturer for the PEMB? Chief

Buildings has been manufacturing metal buildings since 1966, they are AISC Certified, IAS Accredited and a member of MBMA.

A3. Technical Specification 12-05 provides a Basis of Design, which is defining the minimum quality acceptable for the project. In the event the Contractor would like to use something other than the Basis of Design, the Contractor shall follow the procedure outlined in Special Provision Section 0-13 Engineer Approved Equal.

Q4. Spec Section 12.05 1.2/C/5-6 calls for FM Global, is FM Global required on this project?

A4. No

Q5. Spec Section 12.05 2.1/J calls for R-19 roof insulation and R-19 wall insulation while

Drawing SB-1 states R-30 roof insulation and R-20 wall insulation please clarify which is correct.

A5. Use the R-19 roof insulation and R-19 wall insulation that is listed in the Specification.

Addendum #2

CLARIFICATIONS, NOTES, AND CHANGES

1. Changes have been made in the Pump Stations. The Basis of Design for all Pump

Stations will be the Design provided by PMP, Pres Mon Precast.

2. Bid Item for Site Entrance Security has been removed.

3. Technical Specification 12-73 Precast Concrete Structures & Manholes does have the coal tar epoxy and xypex listed in the specification.

4. Technical Specification 12-01 Cast in Place Concrete does have the xypex listed in the specification but does not say coal tar epoxy. This specification has Engineer approved materials listed in place of the CS-55 or coal tar epoxy. WVDEP will approve the CS-55 or coal tar epoxy for the painting of the inside of the clarifiers or any other cast in place concrete that comes in contact with AMD.

5. Brentwoods scope of supply will be for two (2) clarifier tube settlers and sludge removal system. Brentwoods scope of supply will not include the pH sensors or sludge blanket level indicator as stated on page 1 - Section 12-45.1.0.1.1.B of the specification.

6. All Pump Stations may be field adjusted as needed.

7. Provide two spare true union ball valves for size valve in the Pump Stations. This would be for the 2”, 3” and 4” valves.

REVISED SPECIFICATIONS

1. Revised Technical Specification 1-0 Mobilization and Demobilization

REVISED PLAN SHEETS

Added Plan Sheet for Pump Station 1.

Added Plan Sheet for Pump Station 2.

Added Plan Sheet for Pump Station 3.

Added Plan Sheet for Pump Station 4.

Added Plan Sheet for Pump Station 5.

Added Plan Sheet for Pump Station 6.

Added Plan Sheet for Pump Station 7.

REVISED BID SCHEDULE

1. Line Item 2, Site Entrance Security is now a “No Bid Line Item”

Buffalo Coal Permits S-2001-86, S-5280, S-2003-03, S-5380, S-2011-87

1.0 - 1 Mobilization & Demobilization

1-0 MOBILIZATION AND DEMOBILIZATION

1.0 DESCRIPTION

This work shall consist of the performance of construction preparatory operations, including the movement of personnel and equipment to the project sites and for the establishment of the Contractor’s offices, buildings and other facilities including the construction of all temporary access roads as necessary to begin work on a substantial phase of the contract. The location of Contractor’s office to be established shall be approved by WVLSC. This specification shall also include all demobilization activities involving the removal from the sites of all plant, equipment, supplies and personnel after completion of the work including cleanup of all rubbish and waste materials generated during the construction of this project; and restoration of any damage to existing site improvements resulting from the

Contractor’s activities at the site; and installation of the project sign. It is anticipated that the contractor’s trailer will be located near the proposed treatment plant site, subject to the approval of the WVDEP.

Additionally, a security trailer is anticipated along the C1 road near the existing entry gate. Security will be arranged by the contractor through the Mount Storm Power

Plant operators (Dominion Energy). Dominion Energy are to provide electric power to the security trailer. The contractor shall be responsible for providing the trailer and covering the labor and wages for the security guard in conformance with the requirements of Mount Storm/Dominion Energy.

1.1 PROJECT SIGN

The work to be performed under this Section consists of providing all labor, material and equipment necessary to install a project sign as indicated on the detail included herein and as specified herein.

2.0 MATERIALS

Paint. Paint for the project sign shall be one (1) coat Exterior-Grade Wood Primer- Sealer, and two (2) coats Exterior-Grade Enamel by Glidden or equivalent.

Wood. Sign face shall be ¾” X 4’ X 8’ Marine Exterior plywood, and posts and cross braces shall be treated.

Hardware. All hardware shall be manufactured from good, commercial-quality material and be rust resistant such as galvanized coated.

3.0 EXECUTION

Project Sign. The signboard shall be cut to the dimensions shown on the details herein. The sign shall be painted with one (1) coat of primer and two (2) coats of white enamel. All exterior cut edges shall be smooth sanded prior to painting. All edges shall be double primed. The letters, border and strips shall be painted as shown on the detail drawing.

The Contractor shall bolt the sign to posts and provide required cross bracing. The posts and sign shall be erected and posts set in gravel base, as shown on the drawings. One (1) sign is required and is to be located at the direction of WVLSC.

4.0 METHOD OF CONSTRUCTION

The Contractor shall comply with Special Provisions Section 0-0 Project Information

Section 5.0 Schedule of Work. The Contractor shall provide adequate supervision, labor, tools, equipment, and materials to prosecute the work energetically and complete the work within the time specified. The Contractor shall demonstrate to the

Engineer that sufficient sized and quantity of equipment shall be mobilized to ensure this Project is completed within specified time frames or sooner. The required

Schedule (required in Special Provisions Section 0-0 Project Information Section 5.0

Schedule of Work) shall include a list of said properly sized and quantity of equipment, along with projected earth moving and excavation capabilities as well as hauling, and grading rates to complete the tasks herein specified within stated time frames. The Contractor shall have equipment of suitable size and number to execute the required work to completion within the specified time frame. If in the opinion of the Engineer sufficiently sized and quantity of equipment is not being mobilized, he shall request and the Contractor shall supply properly sized and quantity of

Contractor owned or Contractor rented equipment.

The Contractor shall comply with Standard Specifications Section 13.3 Safety.

The Contractor will be required to comply with all WVDOT rules, regulations, weight limits, and speed limits.

5.0 METHOD OF MEASUREMENT

The method of measurement will be per lump sum.

5.1 BASIS OF PAYMENT

The bid for Mobilization and Demobilization shall be a lump sum and cannot be more than 1% of the “TOTAL AMOUNT BID” for the project, and shall include all costs as descried herein including the contractors construction trailer and a security trailer for the site security guard. The contractor must arrange for electric power to

1.0 - 2 Mobilization & Demobilization his construction trailer. Dominion Energy is to provide electric power to the security trailer. Partial payments for Mobilization and Demobilization will be as follows:

A. One-half of the amount bid will be released to the Contractor with the first estimate payable, not less than 15 days after the start of work at the project site.

B. The final one-half of the amount bid shall be released with the estimate payable after the work is accepted by the WVLSC.

C. Nothing herein shall be construed to limit or preclude partial payments otherwise provided for by the Contract. No deduction will be made, nor will any increase be made, in the lump sum mobilization and demobilization item amount regardless of decreases or increases in the final total contract amount or for any other cause.

5.2 PAY ITEM

“Mobilization and Demobilization” per lump sum. Cannot be more than 1% of the total amount bid of the project.

END OF SECTION

1.0 - 3 Mobilization & Demobilization

4" FL ADT

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INTERIOR MATERIALS

ID DESCRIPTION

A 3" SS VENT PIPE

B 3" SS 90° ELBOW

C 3" GREEN VENT

D 14" PUMP CASING

E PUMP HOLD DOWN

F 4" SS 90° WELDED PIPE PUMP CONNECTION

G 4" X 4" METRAFLEX FLEXIBLE CONNECTION

H 4" HDPE PIPE

I 4" SS DISCHARGE PIPE

J 12" INFLUENT PIPE

K 4" TRUE UNION BALL VALVE

L PIPE GASKET / BOOT

M 10" HDPE PIG LAUNCH WYE ASSEMBLY

N 8" SS PLUG VALVE

O 4" X 4" X 4" HDPE WYE

P 8" HDPE FORCE MAIN

Q ACCESS LADDER WITH SAFETY HANDLE

R GRATING

S FLOOR DRAIN

T 1" SS BALL VALVE

U SS PIPE SUPPORTS

V 12" OVERFLOW PIPE

W OPENING FOR BACK UP FLOAT

X OPENING FOR TRANSDUCER

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PresMon Precast, LLC

Office:

170 Old Cheat Road Morgantown, WV

Plant:

490 MillerMine Road Reedsville, WV

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D 12" PUMP CASING

E PUMP HOLD DOWN

F 3" SS 90° WELDED PIPE PUMP CONNECTION

G 3" X 3" METRAFLEX FLEXIBLE CONNECTION

H 3" HDPE PIPE

I 3" SS DISCHARGE PIPE

J 12" INFLUENT PIPE

K 3" TRUE UNION BALL VALVE

L PIPE GASKET / BOOT

M 12" HDPE PIG LAUNCH WYE ASSEMBLY

N 10" SS PLUG VALVE

O 3" X 3" X 3" HDPE WYE

P 10" HDPE FORCE MAIN

Q ACCESS LADDER WITH SAFETY HANDLE

R GRATING

S FLOOR DRAIN

T 1" SS BALL VALVE

U SS PIPE SUPPORTS

V 12" OVERFLOW PIPE

W OPENING FOR BACK UP FLOAT

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48" X 36" HATCH

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PIG LAUNCH VAULTVALVE VAULTWET WELL

6'-0"

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PresMon Precast, LLC

Office:

170 Old Cheat Road Morgantown, WV

Plant:

490 MillerMine Road Reedsville, WV

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D 12" PUMP CASING

E PUMP HOLD DOWN

F 3" SS 90° WELDED PIPE PUMP CONNECTION

G 3" X 3" METRAFLEX FLEXIBLE CONNECTION

H 3" HDPE PIPE

I 3" SS DISCHARGE PIPE

J 12" INFLUENT PIPE

K 3" TRUE UNION BALL VALVE

L PIPE GASKET / BOOT

M 6" HDPE PIG LAUNCH WYE ASSEMBLY

N 4" TRUE UNION BALL VALVE

O 3" X 3" X 3" HDPE WYE

P 4" HDPE FORCE MAIN

Q ACCESS LADDER WITH SAFETY HANDLE

R GRATING

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T 1" SS BALL VALVE

U SS PIPE SUPPORTS

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PresMon Precast, LLC

Office:

170 Old Cheat Road Morgantown, WV

Plant:

490 MillerMine Road Reedsville, WV

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C 3" GREEN VENT

D 12" PUMP CASING

E PUMP HOLD DOWN

F 3" SS 90° WELDED PIPE PUMP CONNECTION

G 3" X 3" METRAFLEX FLEXIBLE CONNECTION

H 3" HDPE PIPE

I 3" SS DISCHARGE PIPE

J 12" INFLUENT PIPE

K 3" TRUE UNION BALL VALVE

L PIPE GASKET / BOOT

M 8" HDPE PIG LAUNCH WYE ASSEMBLY

N 6" SS PLUG VALVE

O 3" X 3" X 3" HDPE WYE

P 6" HDPE FORCE MAIN

Q ACCESS LADDER WITH SAFETY HANDLE

R GRATING

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T 1" SS BALL VALVE

U SS PIPE SUPPORTS

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PresMon Precast, LLC

Office:

170 Old Cheat Road Morgantown, WV

Plant:

490 MillerMine Road Reedsville, WV

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B 3" SS 90° ELBOW

C 3" GREEN VENT

D 14" PUMP CASING

E PUMP HOLD DOWN

F 4" SS 90° WELDED PIPE PUMP CONNECTION

G 4" X 4" METRAFLEX FLEXIBLE CONNECTION

H 4" HDPE PIPE

I 4" SS DISCHARGE PIPE

J 12" INFLUENT PIPE

K 4" TRUE UNION BALL VALVE

L PIPE GASKET / BOOT

M 10" HDPE PIG LAUNCH WYE ASSEMBLY

N 8" SS PLUG VALVE

O 4" X 4" X 4" HDPE WYE

P 8" HDPE FORCE MAIN

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R GRATING

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U SS PIPE SUPPORTS

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PIG LAUNCH VAULTVALVE VAULTWET WELL

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PresMon Precast, LLC

Office:

170 Old Cheat Road Morgantown, WV

Plant:

490 MillerMine Road Reedsville, WV

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KEN WAUGERMAN

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REV.

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BUFFALO COAL GRANT & TUCKER COUNTY, WV

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PUMP STATION NO. 5

A079377 Text Box

A079377 Text Box

6"

FL A

DT

3316.30

3324.11

0S

-3

3" Ø

X

'-5 " S

S

PI

PE12

" Ø

X

'-8 " P

UM

P

CA

SI

NG

3309.90

5'-0" 5'-0"

4'-0" 5'-0"

6'-0" 5'-0"

6'-0" 7'-0"

C

A

B

R

D

E F G

I

JK HO LLL

L

MN

O

P

EFGHK LN M Q Q Q

C

A

J

RSS

T

T

U US S

W X

P

INTERIOR MATERIALS

ID DESCRIPTION

A 3" SS VENT PIPE

B 3" SS 90° ELBOW

C 3" GREEN VENT

D 12" PUMP CASING

E PUMP HOLD DOWN

F 3" SS 90° WELDED PIPE PUMP CONNECTION

G 3" X 3" METRAFLEX FLEXIBLE CONNECTION

H 3" HDPE PIPE

I 3" SS DISCHARGE PIPE

J 12" INFLUENT PIPE

K 3" TRUE UNION BALL VALVE

L PIPE GASKET / BOOT

M 6" HDPE PIG LAUNCH WYE ASSEMBLY

N 4" TRUE UNION BALL VALVE

O 3" X 3" X 3" HDPE WYE

P 4" HDPE FORCE MAIN

Q ACCESS LADDER WITH SAFETY HANDLE

R GRATING

S FLOOR DRAIN

T 1" SS BALL VALVE

U SS PIPE SUPPORTS

V N/A

W OPENING FOR BACK UP FLOAT

X OPENING FOR TRANSDUCER

14'-21 2"±

72" X 72" HATCH

W/ SAFETY GRATING

36" X 36" HATCH

W/ SAFETY GRATING

48" X 36" HATCH

W/ SAFETY GRATING

WET WELLVALVE VAULTPIG LAUNCH VAULT

6'-0"

7'-0"

8'-4"

9'-0" 10'-0" 11'-0"

4'-0" 5'-0" 6'-0"

6'-0"

7'-0"

8'-4"

PresMon Precast, LLC

Office:

170 Old Cheat Road Morgantown, WV

Plant:

490 MillerMine Road Reedsville, WV

PUMP STATION NO. 6

PLAN VIEW1

PUMP STATION NO. 6

PROFILE VIEW2

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PMP

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PROJECT NUMBER

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BY

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DESIGN BY:

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APPROVED BY:

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CHECKED BY:

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KEN WAUGERMAN

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REV.

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SCALE:

AutoCAD SHX Text 21-138

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BUFFALO COAL GRANT & TUCKER COUNTY, WV

AutoCAD SHX Text

PUMP STATION NO. 6

A079377 Text Box

A079377 Text Box

S3

0-

3376.65

3368.90

3360.90

8" Ø

X

0' -8

" P

UM

P

CA

SI

NG

11 2" Ø

X

'-0 " S

S

PI

PE

2" FL ADT

2" FL ADT

INTERIOR MATERIALS

ID DESCRIPTION

A 3" SS VENT PIPE

B 3" SS 90° ELBOW

C 3" GREEN VENT

D 8" PUMP CASING

E PUMP HOLD DOWN

F 11

2" SS 90° WELDED PIPE PUMP CONNECTION

G 11

2" X 2" METRAFLEX FLEXIBLE CONNECTION

H 2" HDPE PIPE

I 11

2" SS DISCHARGE PIPE

J 12" INFLUENT PIPE

K 2" TRUE UNION BALL VALVE

L PIPE GASKET / BOOT

M N/A N N/A

O 2" X 2" X 2" HDPE WYE

P 2" HDPE FORCE MAIN

Q ACCESS LADDER WITH SAFETY HANDLE

R GRATING

S FLOOR DRAIN

T N/A

U SS PIPE SUPPORTS

V N/A

W OPENING FOR BACK UP FLOAT

X OPENING FOR TRANSDUCER

C

A

B

R

D

E F G

I

J

KH OL L

L

OE F G H KL QQ

C

A

J

R S

U S

W X

15'-9"±

72" X 72" HATCH

W/ SAFETY GRATING

36" X 36" HATCH

W/ SAFETY GRATING

6'-0"

7'-0"

8'-4" 5'-0"

6'-0" 7'-0"

6'-0" 7'-0"

8'-4"

4'-0" 5'-0"

6'-0"

4'-0"

WET WELL

VALVE VAULT

PresMon Precast, LLC

Office:

170 Old Cheat Road Morgantown, WV

Plant:

490 MillerMine Road Reedsville, WV

PUMP STATION NO. 7

PLAN VIEW1

PUMP STATION NO. 7

PROFILE VIEW2

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PMP

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PROJECT NUMBER

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SHT. OF

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DRAWING NUMBER

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DESCRIPTION

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BY

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DATE:

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DATE:

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DRAWN BY:

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DESIGN BY:

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APPROVED BY:

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CHECKED BY:

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KEN WAUGERMAN

AutoCAD SHX Text

REV.

AutoCAD SHX Text

SCALE:

AutoCAD SHX Text 21-138

AutoCAD SHX Text

BUFFALO COAL GRANT & TUCKER COUNTY, WV

AutoCAD SHX Text

PUMP STATION NO. 7

A079377 Text Box

A079377 Text Box