Addendum #02 ARFQ DEP2200000092 AML Bat Survey.pdf

AGENCY SOLICITATION NUMBER – ARFQ ______________

Addendum Number: ____

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 closing date and time

[ ] Modify specification of product or service being sought

[ ] Attachment of vendor questions and responses

[ ] Attachment of pre-bid sign-in sheet

[ ] Correction of error

[ ] Other

Description of Modification to Solicitation:

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

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.

DEP2200000092

1. To publish vendor questions and responses

2. To publish additional information (OSM-51 report)

ARFQ DEP2200000092 AML Fairmont Gateway Bat Survey Vendor Questions

1. How close together all the portals are located? Are they all within 10 minutes walking distance of each other?

A. Location map in OSM51. They are within 1-2 minutes of each other.

2. What are the dimensions of the portal openings?

A. Refer to the OSM-51

3. Has sampling been conducted on these portals previously? The solicitation notes these portals are known to harbor bats; however, an idea of what species were detected and when those detections occurred will aid understanding the likelihood of detecting additional individuals in fall 2022.

A. No. Nowhere should it say the portals are known to harbor bats. Phase 1 survey lists some portals have the potential for bat habitat. These are the portals that need surveyed.

4. Are any of the seven portals connected? Current U.S. Fish and Wildlife Service guidelines require all connected portals be sampled on a single night.

A. We assume there are two sets of workings, and portals within each working are connected.

5. What is the arrangement of the seven portals? Portals that are close to each other are frequently sampled on the same night for a reduced cost.

A. Refer to OSM-51 & map

6. What is the purpose of the sampling effort? Most portal sampling is completed to determine whether a portal can be closed. However, ESI has also completed sampling for population monitoring and to determine if bat-friendly gating should be installed.

The purpose of sampling helps drive intensity of the sampling effort.

A. To determine if the portals can be sealed off. The face-up is unstable, and engineers do not feel comfortable subjecting contractors to falling debris while installing the bat gates.

OSM-51

PROJECT NARRATIVE

PROBLEM AREA NAME: Fairmont Gateway Connector Portals PROBLEM AREA # WV-6729

PLANNING UNIT NAME: Fairmont PLANNING UNIT # 203034

WCU: 05020003 PRIORITY: 2

LOCATION OF PROJECT

County: Marion

Nearest Town: Fairmont

U.S.G.S. 7.5' Quadrangle: Fairmont West

Receiving Stream: Hickman Run and un-named trib. of Monongahela River

Watershed: Monongahela River

Acreage: 3.0

Date Last Mined & Responsible Party: 1927, Consolidation Coal Co.

SITE(S) DESCRIPTION

Directions: From Bridgeport, follow Interstate 79 North to Exit 136. The PA begins near the end of the off-ramp/stop light, on the right, parallel to the off-ramp and continues around the corner of the highway cut to the east. More portals are found along the west bound lane of SR-273.

Portals 6, 7, 8, and 11 are south of SR-273, Fairmont Gateway Connector P – Four open portals found along east-bound SR-273, within 50 feet of sidewalk.

80°7'42.3"W 39°27'54.6"N Portal 6: has an opening measuring 4’ x 12’.

80°7'42.6"W 39°27'54.7"N Portal 7: has an opening measuring 2’ x 5’.

80°7'43.0"W 39°27'54.7"N Portal 8: has an opening measuring 2.5’ x 12’.

80°7'44.6"W 39°27'55.2"N Portal 11: has an opening measuring 1.5’ x 10’.

Portals 19 and 20 are north of SR-273, Fairmont Gateway Connector P – Two open portals along west-bound SR-273, easily visible from the road.

80°7'40.0"W 39°27'56.4"N Portal 19: has an opening measuring 20” x 30” 80°7'39.5"W 39°27'56.4"N Portal 20: has an opening measuring 18” x 55”

Portal 22 is east of the I-79 northbound on/off ramps P – One portal that branches into two mine shafts, east of off ramp 80°7'47.7"W 39°27'54.1"N Portal 22: has an opening measuring 4’ x 15’

ABANDONED MINE LANDS LOCAL CONCERN REPORT OSM-51 (continued)

NAME OF SITE: Fairmont Gateway Connector Portals

INFORMATION SOURCE: J. Connolly

ADDRESS: 101 Cambridge Pl.

CITY: Bridgeport

TELEPHONE NUMBER: 304-842-1900

DATE: 10/21/2015

ADDITIONAL PERCEPTIONS of the PROBLEM: Open mine portals were discovered while in the area.

Construction of the Fairmont Gateway Connector, an interchange at Exit 136 of I-79, exposed mine openings to the view of the public. No hazardous gases were detected at the openings on 10/22/2015.

These openings were part of the 1927 era Consolidation Coal Company, Mine No. 57, in the Pittsburgh coal bed. Sidewalks and/or heavily traveled roads are within 50 feet of the openings. Trash (bottles, cans, etc.) indicate visitation.

Note: These portals are very unstable and rocks continue to fall. Proper safety procedures will be of the utmost importance during surveys.

Portal 6

Portal 7

Portal 8

Portal 11

Portal 19

Portal 20

Portal 22

PHASE I PORTAL ASSESSMENT DATA SHEET

Location: Fairmont Gateway Connector Portals

Observer(s): Robert Stuart: WV AML. Sydney Burke: WV DOH

Latitude/Longitude: 39.465304, -80.128768

Date: 07/17/2020 Time: 11am – 2:30pm Temperature (external): 90F

Portal #6 Portal #7 Portal #8 Portal #11

Opening (vertical or horizontal) H H H H

Opening size: height x width (or diameter)

4’ x 12’ 2’ x 5’ 2.5’ x 12’ 1.5’ x 10’

Internal dimensions: height x width

4’ x 12’ 4’ x 12’ ? 4’ x 15’

Slope (up or down from entrance)

Down Down Down Down

Entrance stable? Partial Partial No No

Direction of airflow (in or out of portal)

Out Out Out Out

Amount of airflow (slight, heavy)

Slight Medium Heavy Slight

Internal air warmer or cooler than external temperature?

Cooler Cooler Cooler Cooler

Evidence of collapse? Yes Yes Yes Yes

Ceiling condition Poor Stable Unstable Stable

Amount of water in portal None None None None

Evidence of past flooding? None None None None

Observed length of portal 50’ 60’ 35’ None

Distance to nearest water source 200’ 200’ 200’ 200’

Percent obstruction of portal entrance by trees, slide, etc.

10% 20% 40% 10%

Foraging signs (e.g. moth wings)?

No No No None

Are any portals suspected or known to be connected? Which ones?

Yes, 6, 7

Yes, 6, 7

Yes, suspected

Yes, suspected

Any observable side passages? Yes Yes No No

Suitable for Habitat Suitable Suitable Suitable Suitable

Bat Gate Portals Connected. Yes, 1

Bat Gate Yes Yes

Portal #19 Portal #20 Portal #22 Opening (vertical or horizontal)

H H Left Passage

Right Passage

Opening size: height x width (or diameter)

20” x 30” 18” x 55” H

Internal dimensions: height x width

4’ x 10’ 3’ x 12’ 4’ x 15’

Slope (up or down from entrance)

Down Down 5’ x 15’ 4’ x 12’

Entrance stable? Yes Yes Down Down

Direction of airflow (in or out of portal)

Out Out Partial

Amount of airflow (slight, heavy)

Slight Medium None

Internal air warmer or cooler than external temperature?

Cooler Cooler None

Evidence of collapse? No Yes None

Ceiling condition Stabile Somewhat stable Yes

Amount of water in portal None None Moderate Moderate

Evidence of past flooding? None None None

Observed length of portal 80’ 80’ None

Distance to nearest water source

200’ 200’ 40’ 40’

Percent obstruction of portal entrance by trees, slide, etc.

0% 0% 200’

Foraging signs (e.g. moth wings)?

No No 5%

Are any portals suspected or known to be connected?

Which ones?

Yes, 19-21 Yes, 19-21 No

Any observable side passages?

No No Yes, suspected

Suitable for Habitat Suitable Suitable Yes

Bat Gate Yes Yes Suitable