6-MSRAbatementThirdPartyAirMonitoringandOversightServicesRFQ AddendumONE.pdf

Addendum ONE Page 1

Project PN052401B

DATE: January 14, 2026

ADDENDUM NO: Addendum ONE

PROJECT NO: PN052401B

PROJECT DESCRIPTION: MSR Abatement Third Party Air Monitoring and Oversight RFQ

Mason Ridge Elementary School

This Addendum is hereby made part of the Contract Documents of the above named Project. It supplements and modifies them as follows:

General:

1. Additional revisions to the abatement scope of work as indicated in the REFERENCE DOCS and

RFQ Project Manual are issued in this addendum.

Specifications:

1. Replace entirely Section 003100, Available Project Information (and attachments) with the attached new Section 003100, Available Project Information (and attachments) consisting of 17 pages.

2. Replace entirely Section 011000, Project Summary (and attachments) with the attached new Section 011000, Project Summary (and attachments) consisting of 20 pages.

END ADDENDUM NUMBER ONE

(This Addendum consists of 37 pages)

PN052401B Available Project Information MSR Abatement Third Party Air Monitoring and Oversight 003100 - 1 Mason Ridge Elementary School

SECTION 003100

AVAILABLE PROJECT INFORMATION

PART 1 GENERAL

1.01 EXISTING CONDITIONS

A. Certain information relating to existing surface and subsurface conditions and structures is available to bidders but will not be part of Contract Documents, as follows:

B. Asbestos Management Plans: Available for interiors of facilities only.

1. Original copy is available for inspection at Owner's offices during normal business hours.

2. Asbestos containing material location drawings excerpted from the asbestos management plans are attached following this document.

3. All asbestos abatement required to accomplish the Work shall be performed by the

Owner's asbestos abatement contractor.

C. Lead Management Plans: Available for interiors and exteriors of facilities.

1. Original copy is available for inspection at Owner's offices during normal business hours.

2. Lead containing material location drawings excerpted from the leadmanagement plans are attached following this document.

3. All lead abatement required to accomplish the Work shall be performed by the Owner's lead abatement contractor.

D. Construction Bid and Permit Documents:

1. Project construction documents including project manual, addenda and drawings issued for bid and permit are provided as reference under separate cover in addition to this project manual.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION (NOT USED)

END OF SECTION 003100

11826 Borman Dr. Maryland Heights, MO 63146 Tel (314) 432-8073 Fax (314) 432-5119

DRAWING INDEX - FIRST LEVEL

A2-01 = ASBESTOS - THERMAL SYSTEMS INSULATION

A3-01 = ASBESTOS - MISCELLANEOUS MATERIAL - FLOORING

A4-01 = ASBESTOS - MISCELLANEOUS MATERIAL - OTHER

A5-01 = ASBESTOS - MISCELLANEOUS MATERIAL - JOINT COMPOUND

A6-01 = ASBESTOS - MISCELLANEOUS MATERIAL - VERMICULITE

A7-01 = ASBESTOS - MISCELLANEOUS MATERIAL - CEILING TILE

A8-01 = ASBESTOS - MISCELLANEOUS MATERIAL - CAULK

B1-01 = ASBESTOS - BULK SAMPLE LOCATIONS

B1.1-01 = ASBESTOS - BULK SAMPLE LOCATIONS

B1.2-01 = ASBESTOS - BULK SAMPLE LOCATIONS

B1.3-01 = ASBESTOS - BULK SAMPLE LOCATIONS

F1-01 = ASBESTOS - FUNCTIONAL SPACES

L1-01 = LEAD BASED PAINT (LBP)

DRAWING INDEX - ROOF LEVEL

A4-ROOF = ASBESTOS - MISCELLANEOUS MATERIALS - ROOFING

B2-ROOF = ASBESTOS - BULK SAMPLE LOCATIONS

12-15-23

002003

101102

400401

CYB

507508

600 602

901902903904

CYA

CYA

CYA

C1B

C C

C1D

C1E C1F C1G C1H

C I

C J

C J

C1K

R A

R A

R B

R B

S A

S B

S F

C1O C1P

S1P

S C

S I N

S I M

S E

S G

S H

S I

S J

S1K

S1L

S1O

910 911

C1BC1BC1B

C C

C C

C D

C D

C1F C1G C1G

C J

C J

C1K C1K

S1F

S1D

C1R

306 C1M

C1A

C1L

C1N

C1Q

To Build On

Information

Engineering Consulting Testing

101102

400401

CYB

507508

600 602

901902903904

CYA

CYA

CYA

C1B

C C

C1D

C1E C1F C1G C1H

C I

C J

C J

C1K

R A

R A

R B

R B

S A

S B

S F

C1O C1P

S1P

S C

S I N

S I M

S E

S G

S H

S I

S J

S1K

S1L

S1O

910 911

C1BC1BC1B

C C

C C

C D

C D

C1F C1G C1G

C J

C J

C1K C1K

S1F

S1D

C1R

306 C1M

C1A

C1L

C1N

C1Q

To Build On

Information

Engineering Consulting Testing

101102

400401

CYB

507508

600 602

901902903904

CYA

CYA

CYA

C1B

C C

C1D

C1E C1F C1G C1H

C I

C J

C J

C1K

R A

R A

R B

R B

S A

S B

S F

C1O C1P

S1P

S C

S I N

S I M

S E

S G

S H

S I

S J

S1K

S1L

S1O

910 911

C1BC1BC1B

C C

C C

C D

C D

C1F C1G C1G

C J

C J

C1K C1K

S1F

S1D

C1R

306 C1M

C1A

C1L

C1N

C1Q

To Build On

Information

Engineering Consulting Testing á á á

101102

400401

CYB

507508

600 602

901902903904

CYA

CYA

CYA

C1B

C C

C1D

C1E C1F C1G C1H

C I

C J

C J

C1K

R A

R A

R B

R B

S A

S B

S F

C1O C1P

S1P

S C

S I N

S I M

S E

S G

S H

S I

S J

S1K

S1L

S1O

910 911

C1BC1BC1B

C C

C C

C D

C D

C1F C1G C1G

C J

C J

C1K C1K

S1F

S1D

C1R

306 C1M

C1A

C1L

C1N

C1Q

To Build On

Information

Engineering Consulting Testing

PN052401B Summary MSR Abatement Third Party Air Monitoring and Oversight 011000 - 1 Mason Ridge Elementary School

SECTION 011000

SUMMARY

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Project information.

B. Contract description.

C. Description of the Work.

D. Work by Owner.

E. Owner occupancy.

F. Contractor use of site and premises.

G. Work sequence.

H. Specification conventions.

1.02 PROJECT INFORMATION

A. Project Name: MSR Abatement Third Party Air Monitoring and Oversight B. Owner's Name: Parkway School District.

C. Architect's Name: Bond Architects.

D. Additional Project contact information is specified in Section 001100 - Invitation To Bid E. The Project consists of the construction, renovation, and abatement of asbestos and lead materials.

1.03 CONTRACT DESCRIPTION

A. Contract Type: A single prime contract based on a Stipulated Price as described in Document 005000 - Contracting Forms and Supplements.

1.04 DESCRIPTION OF THE WORK

A. Scope of abatement and removal work is indicated on the Project Information Forms and reference drawings attached at the end of this section and as indicated on the construction documents issued separately for reference.

B. The Work includes, but is not limited to:

1. Abatement Third Party Air Monitoring and Oversight Services in support of the Owner's requirements for compliance with environmental regulations of renovations related to the asbestos abatement at Mason Ridge Elementary School for the spring and summer of 2026 as detailed in the project construction documents issued for reference in support of the agreement. This contract will be a lump sum agreement with a duration of the abatement to occur at Mason Ridge Elementary School during the spring and summer of 2026. The anticipated asbestos abatement schedule is:

a. To begin May 25, 2026*

b. Substantial Completion to be August 7, 2026*

*Schedule and Dates to be coordinated with the Construction Manager

2. See Asbestos Abatement Project Information Forms and Drawings attached following this section and see REFERENCE DOC Project Manual Section 013200 - Construction Progress Documentation for Construction Managers Preliminary Schedule for the construciton.

3. Abatement Third Party Air Monitoring and Oversight Services are to be provided for the work performed by the asbestos abatement contractor on the Construction Manager's anticipated schedule. Only services as required of the Owner by codes, regulations and local requirements are to be provided.

C. Owner will remove the following items before start of the Work:

Summary PN052401B 011000 - 2 MSR Abatement Third Party Air Monitoring and Oversight

Mason Ridge Elementary School

1. Loose furnishings.

2. Loose equipment.

3. Artwork and other wall hangings.

1.05 WORK BY OWNER

A. Owner has awarded a contract for abatement of asbestos containing materials.

1. The asbestos management plans are available for inspection from 8:00 a.m. to 4:00 p.m.

Monday through Friday at the Owner's Environmental Group offices located at the District Operations Building, 363 North Woods Mill Road, Chesterfield, Missouri 63017.

2. The asbestos management plans are available while performing the work during normal work hours at the Administrative Offices of the facility at which the work is to be completed.

1.06 OWNER OCCUPANCY

A. Owner intends to continue to occupy adjacent portions of the existing building during the entire construction period.

B. Owner intends to occupy the Project upon Substantial Completion.

C. Cooperate with Owner to minimize conflict and to facilitate Owner's operations.

D. Schedule the Work to accommodate Owner occupancy.

1.07 WORK SEQUENCE

A. Perform the work in coordination with the Construction Manager's construction schedule.

1. Contractor allowed to being the Work in the field on or after May 25, 2026.

2. Substantial Completion date for the Work shall be on or before August 7, 2026.

1.08 SPECIFICATION CONVENTIONS

A. These specifications are written in imperative mood and streamlined form.

B. This imperative language is directed to the Contractor, unless specifically noted otherwise.

C. The words “shall be” are included by inference where a colon (:) is used within sentences or phrases.

D. All references to "days" are M-F working days, unless specifcally noted otherwise.

PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION - NOT USED

END OF SECTION 011000

Project Information Form – REVISION # 2 This form is intended to more clearly identify the asbestos abatement scope of work and other information that may be needed by the abatement contractor to prepare a proposal. It does not supersede, nor relieve the contractor of its obligations/responsibilities pursuant to applicable local (St. Louis County), State (MDNR), Federal (USEPA, OSHA, DOT) regulations, or those identified in the project manual.

BID DUE DATE / TIME: SEE INVITATION TO BID

PROJECT TITLE: Mason Ridge Elementary School – Building Renovations and Site

Improvements – Parkway Project Number 052401B

Today’s Date: 1-12-26 Drawing Attached: Yes X

Extended Shifts Allowed: Yes: X – 12 Hours Maximum Double shifts: NO

PSI Project Designer/Date: January 12, 2026

Scope of Work:

The Scope of Work includes the proper abatement, removal, and disposal of all asbestos-containing materials and Lead Based Paint (LBP) as noted in the project documents, and additional abatement and disposal of asbestos and/or LBP as necessary to facilitate changes in the scope of work should they occur. Abatement includes approximately 4,400 sf (excluding under casework) of asbestos-containing floor tile and mastic in

Rooms 104, 106, 110 including their associated closets, 509, 511, 513, and residual floor tile and/or mastic that may be present in Room 800 exposed when the door and frame are removed. Parkway will remove room furnishings such as desks, chairs, and tables. Parkway will not remove casework or the Smartboards, these must be protected in place. Abatement in rooms 104, 106, 110, 509, 511, and 513 will utilize a full negative pressure containment. Linking rooms together utilizing a tunnel in the corridors is only allowed if approved by the districts Asbestos Project Designer. Where floor tile and mastic are under carpet, carpet may be removed prior to abatement of the floor tile, and disposed of as construction debris, provided the floor tile does not become dislodged during carpet removal. If floor tile becomes dislodged, stop, and remove carpet during abatement, and dispose of as ACM. In Room 800, residual floor tile and mastic under the door and frame may be removed utilizing infrared heat and solvents per the Minimum Regulated Area Requirements below. Abatement and disposal of flooring materials includes the door jamb transition strips, cove base and all fillers or floor leveling compounds. For bid purposes, assume carpet to be disposed of as asbestos-containing debris. Contractors to assume 15% of the floor has a floor filler or leveling compound to be included in their bid. Prior to visual inspection for clearance air sampling, remove solvent residue from floor using hot water and a degreaser agent. The wood window framing in Rooms 800 and 801 has white Lead

Based Paint (LBP). In addition to the flooring, Exterior Door EXD-800 has an asbestos-containing caulk on a portion of the door frame. Abatement does not include the other doors and/or windows being replaced.

The storefront in Rooms 800 & 801 are the only windows and door included in the abatement Scope of Work.

Salvage all door hardware and window treatments and return them to owner. Upon completing abatement in

Rooms 800 and 801, contractor to secure and make weather tight the opening created in the building envelope by its work. Building must remain secure at all times. Abatement of flooring materials, the door, door frame, windows and window frame shall be in accordance with the project documents including Bond Architects reference drawings titled Mason Ridge Elementary School - Building Renovations and Site Improvements dated September 16, 2025, the Project Manual for Mason Ridge Elementary School – Building Renovations and Site Improvements dated 9-16-25, this Project Information Form (PIF), Addenda that is issued and

PSI Asbestos Abatement Drawings assembled 9-16-25 and amended on 1-12-26. Contractor to field verify estimated quantity of all materials, and actual site conditions. Submit asbestos notification to

St. Louis County Department of Health as required. At the conclusion of removing window components that have LBP, two wipe samples will be collected from the floor under where the windows have been removed. LBP removal will be considered complete when the floor area wipe samples indicate

4.0 µg/ft2 of lead or less. Contractor to include costs associated with transportation and disposal of ACM and construction debris in its proposal. Do not place ACM waste or general construction debris from this project in Parkway’s dumpsters. Contractor to protect all existing finishes in the work areas not being abated.

The contractor shall also protect floor finishes in adjacent areas used to access the work areas. Remove door frame caulk in a modified containment. Abatement contractor may request waivers from St. Louis

County Department of Health to install critical barriers on interior of Room 800 and abate caulk as an

“Outdoor Project”. If abatement conducted in a modified containment, Owner’s consultant will clear containment using Phase Contrast Microscopy (PCM) methodology.

Clearance Sampling:

T.E.M. (Minimum 6-business hour Turnaround from receipt by laboratory): Yes: X No:

(Rooms 104, 106, 110, 509, 511, 513)

P.C.M. “In Progress” (Min. 1 ½ hour Turnaround) Yes: X No:

(At Consultants Discretion)

P.C. M. Clearance (Minimum 5 ½ hour Turnaround) Yes: X No:

(If door frame caulk abated in modified containment)

Floor under Room 800 & 801 window removal: 4.0 µg/ft2 of lead or less.

Respiratory Protection Required: Yes: X No:

Special PPE Required:

Per Safety Data Sheet. Minimum Half-Face respirators, disposable coveralls, gloves, in ALL areas.

Minimum Regulated Area Requirements (Does not supersede applicable regulations)

ROOMS 104, 106, 110, 509, 511, and 513: Full Negative Pressure Containment (Includes signs, barrier tape, operational personnel & equipment DCU’s, Negative Air Machine(s) vented outside, 2 – layers of 6-mil plastic sheeting on walls and floors as applicable, 1 layer of 6-mil plastic sheeting on ceiling as applicable, critical barriers, isolate HVAC, personnel in PPE as noted above).

ROOM 800 – TILE AND/OR MASTIC under DOOR & FRAME: With Consultant Approval – using infrared heat and solvents (Includes signs, asbestos ribbon, Localized Negative Air Machine vented outside, isolate HVAC, personnel in PPE as noted above).

ROOM 800 DOOR CAULK: Modified Containment with Consultant Approval - (Includes signs, 2

– layers of 6 mil poly for walls and floors, 1-layer of 6-mil poly for ceiling, 1-Stage DCU with wash station, Negative Air Machine vented outside, critical barriers, isolate HVAC. If approved as outdoor abatement by St. Louis County, delete ceiling poly and negative air machine. Personnel in PPE as noted above).

Other – Room 800/801 LBP Removal – with Consultant Approval – (Includes signs and “Lead danger tape”, drop cloths under windows to be removed, personnel in PPE as noted above).

All ACM waste must be properly packaged and transported to an enclosed receptacle (dumpster) at the end of each shift. Owner or owner’s representative must review waste manifest. A fully executed copy of the waste manifest must be received by owner’s representative within 45 days of date waste was accepted by initial transporter. This includes contractor if waste taken back to warehouse dumpster.

Special Health and Safety Concerns:

Confined Space Hot Work (Fire Watch) Heat Stress / Stroke X Electrical – Lock & Tag X Heights / Fall Protection Chemical

PSD Approved Solvents X Other ( ) (Attack 2000, MA-22, MA-24)

Any Special Requirements or Precautions? If yes, describe. Yes X No

If contractor uses solvents to abate mastic, they must use one of the approved solvents listed above. All contractor personnel must have completed OSHA 10 or 30-hour training and have a current badge issued by

Parkway prior to arriving onsite. Contractor personnel disturbing LBP materials must provide verification of successfully completing a USEPA approved LBP training course (i.e... RRP, Lead Abatement Supervisor, etc.) and must have a certification in that discipline.

Use of saws or grinders to remove door frame or window components is prohibited unless they have factory equipped HEPA-vacuum attachment or shrouds. The use of cutting torches for door frame or window components is prohibited.

Other contractors working in area? Yes X No

Coordination with other contractors required? If yes, describe. Yes X No

Abatement contractor to coordinate work through Poettker Construction Company.

Other Notes/Comments:

Perform abatement per this Project Information Form (PIF) including PSI Asbestos Abatement Drawings assembled 9-16-25 and amended 1-12-26, the Project Manual for Mason Ridge Elementary School

- Building Renovations and Site Improvements dated 9-16-25, the Bond Architects reference drawings for Mason Ridge Elementary School – Building Renovations and Site Improvements dated 9-16-25, and Addenda that may be issued. Secure windows/doors where negative air machine exhaust tubing exits building with lumber. Contractors are reminded that if they perceive something to be an addition or change to the scope of work requiring additional funds, they need to contact the Poettker

Construction onsite Superintendent immediately by email, but in no event, later than 24 hours after identifying the changed condition. Contractors also reminded to note, photograph, and immediately bring to the attention of owner’s consultant, any pre-existing damage. The contractor may be held liable for any damage noted after they have completed work, if not documented prior to starting work.

It is the abatement contractor’s responsibility to factor into their bid any overtime or shift differential premium costs required to accomplish the work in the time schedule identified in this PIF. No claims for overtime or shift differential premium costs to perform the Work identified in the bid documents will be allowed. This does not apply to claims for work associated with changes that modify the contract documents after award of the contract.

Abatement Contractor’s project closeout documentation must be submitted to owner’s consultant no later than 45 days after the last date worked by abatement contractor at subject project site.

Mason Ridge Site Photographs PSI Project Number: 0029-6665 www.intertek.com/building

P

H O

T O

Room 104: North Wall (Smartboard) and Northwest corner.

O

T

Standing at door to Room 104 looking southwest.

O

T

Room 104: East and South Walls. Closet in Southeast corner.

O

T

Room 106 – North Wall.

O

T

Room 106 – West Wall.

O

T

Room 106 South Wall

O

T

Room 106 Closet – Typical of Closets in Rooms 104 and 110

O

T

Standing at Entry Door of Room 110 looking Southwest.

O

T

East and South Walls of Room 110.

O

T O

Room 801 – Northwest Corner. Windows are to be removed as part of abatement scope of work.

O

T O

Room 800 – North and East Walls. Door and Window to Right Of Door In Abatement Scope of Work.

O

T O

Standing at entry door to Room 509 looking at East Wall.

O

T O

Standing along East Wall of Room 509 looking at entry door on West Wall.

O

T O

Standing at Room 511 entry door looking at East Wall

O

T O

Standing along east wall of Room 511 facing west wall and entry door.

PH

O

T O

Cabinet in southwest corner of Room 511 must be removed to access floor tile and mastic below it.

O

T O

West and north walls of Room 513.

PH

O

T O

North and east walls of Room 513.

O

T O

Standing at doorway of Room 513 looking at southeast corner of room. South wall to right of photo.

PH

O

T O

Standing at northeast corner of Room 513 looking at southwest corner of room and entry door.

DRAWING INDEX - FIRST LEVEL

A3-01 = ASBESTOS - MISCELLANEOUS MATERIAL - FLOORING - REVISED 9-26-25

A8-01 = ASBESTOS - MISCELLANEOUS MATERIAL - CAULK

L1-01 = LEAD BASED PAINT (LBP)

ASBESTOS ABATEMENT DRAWINGS

AAD

WORK AREAS

1-12-26

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

101102

400401

CYB

507508

600 602

901902903904

CYA

CYA

CYA

C1B

C C

C1D

C1E C1F C1G C1H

C I

C J

C J

C1K

R A

R A

R B

R B

S A

S B

S F

C1O C1P

S1P

S C

S I N

S I M

S E

S G

S H

S I

S J

S1K

S1L

S1O

910 911

C1BC1BC1B

C C

C C

C D

C D

C1F C1G C1G

C J

C J

C1K C1K

S1F

S1D

C1R

306 C1M

C1A

C1L

C1N

C1Q

To Build On

Information

Engineering Consulting Testing

11826 Borman Dr. Maryland Heights, MO 63146

Tel (314) 432-8073 Fax (314) 432-5119

ABATE ASBESTOS-CONTAINING FLOOR TILE AND MASTIC UNDER CARPET

IN A FULL CONTAINMENT PER PROJECT INFORMATION FORM

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Polygonal Line

Mead Dowling Line

Mead Dowling Line

Mead Dowling Line

Mead Dowling Line

Mead Dowling Line

Line á á á

REMOVE DOOR AND DOOR FRAME, ABATE ASBESTOS-CONTAINING CAULK

PER PROJECT INFORMATION FORM.

Mead Dowling Polygon

REMOVE WINDOWS AND WINDOW FRAMES PER

PROJECT INFORMATION FORM.

Mead Dowling Polygon