W912ES19T0105-0004_Amendment.pdf

W81G6791554130

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The purpose of Amendment 0003 (the second amendment issued) is to make changes to the SOW and the descriptions of Items 0002 - 0007. The amendment also extends the solicitation close.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 17

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 04-Oct-2019

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912ES19T0105

X 9B. DATED (SEE ITEM 11)

12-Sep-2019

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer X is extended, is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

04-Oct-2019

CODE

CONTRACTING DIVISION

USACE - ST. PAUL

180 5TH STREET E SUITE 700

ST. PAUL MN 55101-1678

W912ES 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912ES19T0105

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00 10 00 - SOLICITATION

The required response date/time has changed from 04-Oct-2019 11:00 AM to 17-Oct-2019 11:00 AM.

The required performance has changed from This Request for Quotes is being conducted using FAR Part 13 Simplified Acquisition Procedures (SAP)This is not an Invitation for Bids (IFB) and no bid bond is required.

This procurement is set-aside 100% for small business concerns under the North American Industry Classification System (NAICS) code 236118, Residential Remodelers, with a small business size standard of $36,500,000.This is a construction contract to restore and refurbish the Lockmaster House at Lock & Dam 10, Guttenberg, Iowa. Work will include obtaining performance & payment bondsl, refurbishing the exterior, interior and porch of the house (including abatement of lead paint), replacement of the roof, chimney repairs, and an electrical inspection. The estimated magnitude of construction is between $100,000 and $250,000. to This Request for Quotes is being conducted using FAR Part 13 Simplified Acquisition Procedures (SAP)This is not an Invitation for Bids (IFB) and no bid bond is required. This procurement is set-aside 100% for small business concerns under the North American Industry Classification System (NAICS) code 236118, Residential Remodelers, with a small business size standard of $36,500,000.This is a construction contract to restore and refurbish the Lockmaster House at Lock & Dam 10, Guttenberg, Iowa. Work will include obtaining performance & payment bondsl, refurbishing the exterior, interior and porch of the house (including encapsulation and/or abatement of lead paint), replacement of the roof, chimney repairs, and an electrical inspection. The estimated magnitude of construction is between $100,000 and $250,000..

CLIN 0002

The CLIN extended description has changed from:

Wood Siding, Shutters, Gutters & Downspouts, Windows, Exterior Doors, Awnings

To:

Repair exterior building features and abate damaged painted surfaces as required for the wood siding, shutters, windows, exterior doors, awnings, and any other exterior feature. Repaint all previously painted exterior surfaces after repairs and abatement are complete.

CLIN 0003

Scrape and Repaint Ceilings, Doors, walls, cabinets, woodwork; Remove wallpaper and paint; Repair woodwork as required.

Repair and abate damaged painted surfaces, woodwork, and other interior features as required. Remove unpainted wallpaper in dining room. Repaint all previously painted surfaces including, but not limited to, ceilings; doors;

walls, including undamaged painted wallpaper; door, window and ceiling trim; cabinets; woodwork; and steel beam and column (basement).

CLIN 0004

Abate all existing paint on the floor and repaint in a light grey similar to the existing paint. All interior and exterior surfaces shall be cleaned and painted; Screen frames removed, repaired, painted and reinstalled.

Repair or replace all damaged wood surfaces and abate all existing painted surfaces on the interior and exterior of the porch. Paint porch floor in a light grey color similar to the existing paint. Remove, repair, paint, and reinstall screen frames.

CLIN 0005

Replace entire roof on main portion of the house, the two awnings above each door, and on the porch. Drip edge and gutter apron should be installed in addition to winter guard shield underlayment. Intall certainteed shingles, chimney flashing and ste/wall flashing. Laminated asphalt shingles in a simple even pattern similar to historic material should be used. Color should be gray with little variation.

Replace entire roof on main portion of the house, the two awnings above each door, and on the porch. Repair or replace any damaged wood beneath the shingles. Install drip edge, gutter apron, winter guard shield underlayment shingles, chimney flashing, and ste/wall flashing. Use laminated asphalt shingles in a simple even pattern similar to historic material used. Shingle color shall be gray with little variation.

CLIN 0006

Repairs to chimney include repairing flashing/counter-flashing, cleaning & interior repairs, removal of caulk between wood siding & brick, resealing, replacing and repointing broken bricks. Interior of chimney needs cleaning and interior repairs along with spray-on mold remediation treatment as required.

Repair chimney including flashing/counter-flashing, caulk between wood siding and brick, resealing, replacing and repointing broken bricks. Clean and repair interior of chimney as required and apply a spray-on mold remediation treatment

CLIN 0007

Complete Electrical inspection of house, to include switches, outlets, fixtures, breaker/fuse box, and accessible wiring, to determine if they are in good working order.

Complete electrical inspection of house, to include switches, outlets, fixtures, breaker/fuse box, and accessible wiring, to determine if they are in good working order. Provide report documenting the findings of the inspection.

The following have been modified:

PERFORMANCE REQUIREMENTS

Requirements Summary Performance

Spec Work Item

Requested Action Known Material Information

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Wood Siding

All four exterior sides of the house have cracked, peeling, and in some locations, exposed wood. Replace unsound cedar wood siding in-kind or repair wood in place using accepted restoration materials and methods. Remove all exterior paint on the siding. Repaint exterior to match existing. Lower portions of the exterior siding are exposed to water damage. Every effort shall be made for corroded nails to be removed with care. Rusted nails shall not be reset with a hammer but instead replaced with new corrosion resistant stainless steel fasteners. Metal corner pieces attached to the cedar wood siding that are corroded or otherwise damaged shall be replaced.

Exterior walls of the house are clad in beveled cedar wood siding with 6” exposures and miter-cut corners joined with metal corner pieces. The siding is painted white. The cladding is original to the house. Materials and construction methods are character defining features and shall be repaired in-kind.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Shutters

Shutters are in poor to deteriorated condition and need to be removed, repaired, scraped, painted, and rehung. Many shutters may need to be repaired or replaced with a new wood shutter of the same material and design if existing components cannot be reused. Two of the

There are 32 green wood plank shutters with decorative diamond-shaped center cutout; however 2 of the shutters are missing and shall be replaced. Testing found 56,000 ppm in the green paint of the shutters.

shutters are missing and shall be replaced with same material, design, and color of original shutters.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Shutters

Remove, clean, and reattach metal pieces. Remove and replace the rusted hinges that hold the shutters in place with new ones of the same design if possible.

There are 64 hinges/metal pin tie pivots (2 per shutter) and 32 and s-shaped lag bolts centered on their outer edge (1 per shutter)

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Gutters and Downspouts

Gutters and downspouts do not require refurbishing but may need to be temporarily removed and reinstalled to facilitate exterior paint removal and roof replacement.

There are 3 downspouts on the main house and 1 downspout on the porch

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Windows

All windows with the exception of the porch window are in a deteriorated state with wood rot and loss of material. All have peeling paint and in some cases rotted windowsills. Damage has reached the interior walls and the floor in some rooms. Windows shall be removed, repaired, unsound paint removed, painted, and reinstalled. All areas of damaged or unsound wood shall be replaced "in kind" with wood in the same material, design, and dimensions as originals.

All windows are six lights over six lights, 16 exterior windows and 1 porch window. Testing found a concentration of 35,000 ppm in the windowsill interior of the second level, and 140,000 ppm in the windowsill interior of the first level.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Windows

Remove unsound paint and repaint the frames, sashes, and windowsills to avoid further deterioration.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Windows

Remove all putty/glazing compounded from sash, repair sash frame and muntins as needed, reinstall sash in original opening.

Top sashes shall be blocked in place, lower sashes shall be operable, on original weight and pulley counterbalance mechanism with new rope. Sash locks and pulls shall be cleaned, lubricated and reinstalled.

Double Hung windows have two sashes, an upper and a lower

Control and/or abatement

Exterior Windows

Windowsills shall be removed and if necessary, replaced with new wood pieces in the same profile and dimensions as originals.

Restore and weather-strip (15) 6/6 double-hung windows, (1) 6/6 double-hung window, (1) 3/3 double hung window, and (4) 3 lite basement sashes.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Exterior Windows

Remove, clean and reattach storm windows.

The storm windows were probably added in the 1960s and contain glass and metal. They are attached to the exterior window casings and in good condition. The wood in the interior windowsill is deteriorating and rotting around the shutters.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Doors and frames

Remove unsound paint, repair, paint, and reinstall doors. Remove and clean and reattach door hardware. Both exterior main doors have metal and glass storm doors to protect the wood doors that shall be cleaned.

2 exterior main doors, and 1 exterior porch door. Interior doors are solid wood with four recessed panels. Hardware for all interior doors is original.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Doors and frames

Remove unsound paint and repaint awnings.

There are 2 awnings

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Interior Repaint all the ceilings in the porch, the first floor, and the second floor.

Control and/or abatement

Interior Walls shall be repainted. Any deteriorated walls shall be repaired in kind to match the original wall.

For areas where the overlying paint and/or wallpaper has been damaged but the underlying wall is in good condition, only the damaged materials shall be removed and a skim coat applied to the existing wall surface to bring the repaired surface up to match the adjacent undamaged surface of the wall. All previously painted surfaces shall be painted to match the existing color of the walls in the stairwell.

Interior Any damaged painted surfaces on the walls, baseboard, moldings, and

Original oak wood floors are present in the living room, dining

Control and/or abatement risers on the stairway shall be repaired to remove the damaged paint and wallpaper, if present.

Where damaged wallpaper is removed, a skim coat shall be applied to the underlying surface to bring it up to match the adjacent undamaged painted wallpaper surface. All previously painted surfaces shall be painted the existing color in the stairwell.

room, and front hallway. Vinyl tiles are present in the kitchen.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Interior Doors, openings, baseboard, radiators, cove moldings, window casings, bases, and details shall be repainted with the same color in the stairwell. Damaged painted surfaces shall be restored as specified prior to painting.

Metal radiators are original to the house, as are the light fixtures.

Hazard Abatement :

Lead Paint Interim Control and/or abatement

Interior Walls, baseboard, moldings, and cabinets in the kitchen shall be scraped, painted, walls repaired where needed, and painted with the existing color in the stairwell.

Control and/or abatement

Interior Doors, walls, and moldings shall be scraped and repainted in the bathroom with the existing color in the stairwell.

Control and/or abatement

Interior Remove painted wallpaper that is damaged and provide a skim coat to the underlying existing wall surface to match the repaired surface with the adjacent undamaged painted wallpaper.

Undamaged painted wallpaper shall be encapsulated. Paint walls in the existing color in the stairwell. The unpainted wallpaper in the dining room shall be removed employing methods that minimize the disturbance to the underlying wall.

Control and/or abatement

Porch Paint porch floor in a light gray similar to the existing paint.

The gray paint of the wood floor on the porch has been tested to contain lead at 1,900 ppm.

Control and/or abatement

Porch Abate existing interior and exterior painted surfaces and repaint to match the existing exterior color of the house. This includes the ceiling and columns. The porch floor shall be painted light gray and the wooden screen frames (interior and exterior) shall be painted green to match the existing color of the frames.

Control and/or abatement

Porch Remove screen frames, repair unsound wood with new wood.

Lightly sand, paint with existing green color, and reinstall. Rusted nails appear in places including on joints of the lower portions.

Remove damaged nails and replace with stainless steel nails.

Roof Replacement Roof Replace roofing on main portion of the house, the two awnings above each door, and the porch. Drip edge and gutter apron shall be installed in addition to winter guard shield underlayment. Use laminated asphalt shingles in a simple even pattern similar to historic material.

Color - gray with little variation.

The existing asphalt roof replaced the original cement asbestos shingles, which were usually gray.

Because the original material is no longer present and asbestos is no longer used for safety reasons, new asphalt shingles shall be used to replace the roof.

Masonry Pointing and Repair

Chimney Repairs

Remove caulk between the wood siding and the brick, clean and apply a quality polyurethane sealant to prevent damage to the interior walls.

Provide mortar analysis as the basis for pointing specifications.

This work shall be performed by or supervised by an architectural conservator specializing in the inspection and analysis of historic masonry materials. Mortar analysis shall include on-site visual and laboratory examination of building mortar in each type of masonry to identify existing problems and determine the proper composition and application techniques for repairing, including correct mortar joint profiles.

Masonry Pointing and Repair

Chimney Repairs

Some bricks are broken or deteriorated with delamination / spalling that has caused loss of material. Replace broken or deteriorated bricks with brick of similar material and color. Repoint deteriorated mortar.

Chimney Repairs

Replace the flashing on the chimney.

Chimney Repairs

Interior of chimney shall be cleaned and repaired and a spray-on mold remediation treatment applied as required.

Carpentry Interior Replace wall material and any unsound studs in areas where the walls are deteriorated in kind.

(sewing room, bedrooms, etc.)

Carpentry Interior Replace in-kind any unsound or rotted wood.

Carpentry Porch There is rot and loss of material on the floorboards where the ends are exposed. The floorboards shall be replaced in part or completely if the exterior edges cannot be refinished and protected.

Carpentry Porch Replace trim/exterior boards on corner columns.

Carpentry Porch Replace planks around base.

Electrical Inspection Inspection Perform electrical inspection and provide report comparing existing conditions to current code. Identify any hazardous conditions that require immediate action. Test switches and outlets to determine if they are in good working order.

STATEMENT OF WORK

Scope of Work Rehabilitation of the

Lock and Dam No. 10, Lockmaster House, U.S. Army Corps of Engineers, St. Paul District

Guttenberg, Iowa

1.0 INTRODUCTION

1.1 The main objective of the work is to perform lead paint interim control or abatement and replace or repair unsound substrate materials so the interior and exterior of the Lock and Dam No. 10 Lockmaster House can be refurbished. All current paint coatings contain lead based paint. Work includes tear off and replacement of the existing roofing materials, replacement or repair of unsound wood on the roof as well as on the exterior and interior of the house, removal of dining room wallpaper, interior and exterior lead paint abatement/control and painting, reconditioning of the shutters and replacement of missing shutters, removal and reinstallation of the gutters and downspouts as required to complete lead paint abatement and roof replacement, refurbishment of the windows, windowsill restoration or, if necessary, replacement, removal and replacement in kind of damaged portions of the walls and/or ceilings, replacement of damaged corroded nails, replacement of damaged brick and minor tuck pointing, replacement of chimney flashing, performing an electrical inspection, and providing a report documenting the findings, identifying any critical or hazardous conditions that require immediate attention. Repairs to walls and/or ceilings shall be completed using the same methods and materials used to construct them. In areas where the paint / wallpaper has been damaged but the underlying wall is essentially intact, a skim coat shall be placed once the damaged paint / wallpaper has been removed to provide a uniform finished surface that matches the adjacent undamaged portions of the wall / ceiling. The Contractor shall follow all state, local, and federal laws and OSHA requirements required for lead based paint. The house will be closed to the public during the time work is being performed to allow the Contractor maximum flexibility in performing the work. All furnishings and displays will be removed from the house by others, prior to the beginning of construction.

The requirements summary table contained in this scope of work (SOW) provides a summary of the work items pertaining to this SOW. The house is in fair condition with some deterioration that needs to be addressed to avoid further damage.

1.1 This work ensures the U.S. Army Corps of Engineers, St. Paul District (Corps) meets obligations under

Section 106 of the National Historic Preservation Act of 1966, as amended, and appropriate federal historic preservation standards are applied. In addition, the work ensures that the historic lockmaster house is returned to a higher level of historic and architectural integrity, that past and ongoing damage to the historic property is corrected, and the overall structural health and stability of the historic property is improved for future generations.

2.0 OBJECTIVE

2.1 In 2019 a Historic Structures Report (HSR) was completed to provide documentary, graphic, and physical information on the lockmaster house and its existing condition in addition to identifying and assessing measures required for rehabilitation needs of the historic structure. The objective for this SOW is to implement the recommended repairs and rehabilitation plans from the HSR.

3.0 BACKGROUND

3.1 The lockmaster house is part of the Lock and Dam No. 10 complex, and is eligible for listing on the

National Register of Historic Places (NRHP). The house is located within the Lock and Dam No. 10 complex in Guttenberg, Iowa. It was built between 1937 and 1938 with the addition of a porch in 1939.

3.2 The lockmaster house is a 1,440-square-foot building. The two-story, 24-foot by 30-foot house is a side-gabled building with basement. It is 80 years old and still maintains all seven aspects of integrity: location, design, setting, materials, workmanship, feeling, and association.

3.3 The United States government owns the lockmaster’s house and leases the house to the Guttenberg Heritage Society to operate a museum and provide historical information and interpretive displays.

3.4 A Historic Structures Report (HSR) for the house was completed in 2019 by Wapsi Valley Archaeology, Inc. (Attachment 1).

4.0 CRITERIA GOVERNING SERVICES

4.1 Services to be performed under this contract shall conform to all applicable requirements and criteria indicated in the following regulations handbooks and publications and the latest issues and changes thereto:

Government Requirements U.S. Army Corps of Engineers Safety and Health Requirements Manual (EM 385-1-1), https://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf OSHA Safety and Health Regulations for Construction, https://www.osha.gov/pls/oshaweb/owastand.display_standard_group?p_part_number=1926&p_toc_le vel=1

The National Historic Preservation Act of 1966, as amended, https://www.achp.gov/sites/default/files/2018-06/nhpa.pdf, and Executive Order 11593, https://www.archives.gov/federal-register/codification/executive-order/11593.html.

The Secretary of the Interior’s Standards for Treatment of Historic Properties, https://www.nps.gov/tps/standards.htm.

ADM 1020.2 GSA Procedures for Historic Properties, https://www.gsa.gov/about-us/organization/public-buildings-service/office-of-design-and-construction/adm-10202-procedures-for-historic-properties.

Government Studies, Surveys, and Reports Lock and Dam No. 10 Lockmaster’s House, Historic Structures Report (HSR).

National Park Service Preservation Briefs and Tech Notes, available online at https://www.nps.gov/tps/how-to-preserve/briefs.htm.

GSA Technical Preservation Guidelines, GSA Technical Procedures and NCR Preservation Notebook

Series available online at www.gsa.gov/historicpreservation.

5.0 GOVERNMENT FURNISHED ITEMS AND SERVICES

5.1 The Government will provide necessary access for the Contractor’s materials, equipment, and personnel, including snow removal, up to the Contractor’s temporary fencing. The Contractor shall be responsible for providing access, including snow removal, within the Contractor’s fenced area.

6.0 SPECIAL CONSIDERATIONS: HISTORIC PRESERVATION REQUIREMENTS

6.1 The Contractor shall provide all personnel, technical equipment, supplies, facilities, transportation, tools, electrical power, materials, supervision, and other items and non-personal services necessary to investigate and evaluate historic features and material conditions and conduct repair and conservation actions required.

The Contractor shall perform to the standards of this contract.

6.2 The Contractor shall retain the services of the following individual(s) to complete the project:

Preservation Architect: Shall be involved in analysis and repair designs leading up to decisions affecting the restoration and rehabilitation. The Preservation Architect shall review all submissions in their entirety for effects on restoration and rehabilitation (per the HSR). The Preservation Architect’s comments shall be incorporated into the submission prior to delivery to the Corps. The Preservation Architect shall certify in writing that the final submission meets the Secretary of Interior’s (DOI) Standards. If the submission does not meet DOI Standards, the Preservation Architect shall provide an explanation.

Architectural Historian Architectural Conservator Other disciplines with specialized training in preservation/historic building materials (e.g.

structural or mechanical engineer specializing in historic preservation).

7.0 SPECIFICATIONS

The Contracting Officer’s Representative and contact information will be provided at the time notice to proceed is given. The onsite Government point of contact during restoration work is Sam Mathiowetz, Lock and Dam No. 10 Lockmaster at (651) 290-5051.

7.1 The Contractor shall furnish all material, equipment, supplies, electrical power, labor, transportation, and services required to accomplish the work described herein.

7.2 The Contractor shall be responsible for acquiring all applicable permits and inspections pursuant to the work being performed.

7.3 The Contractor shall provide and maintain temporary fencing throughout the time of restoration work.

Fencing is to provide control of access to the lockmaster’s house, provide security and safety to the Contractor working onsite, and provide safety to the public using the surrounding area. The Contractor shall remove the temporary fencing upon completion of work and return the area to pre-construction conditions.

7.4 Hours of Operation: Contractor work hours shall be between daylight hours of 0700 am and sunset, Monday thru Friday. Due to lock and dam operations, electrical outdoor lighting (i.e. floodlights) is not permissible when working on the exterior of the lockmaster’s house. Any work to be completed outside of designated work hours shall be coordinated with the Contracting Officer a minimum of 48 hours prior to the time in which the work is to be done. The Government facility may be closed due to local or national emergencies, administrative closings, or similar Government directed facility closures. The Contractor will not be reimbursed when the government facility is closed for the above reasons.

8.0 LEAD ABATEMENT AND REMOVAL

8.1 The Contractor shall conduct lead abatement / control for the exterior surfaces by removing all paint.

Exterior siding is approximately 2,620 square feet. The Contractor shall verify all lead paint has been removed prior to applying new paint. The Contractor shall have an individual who is certified to address hazardous waste, specifically lead paint, and who is employed or subcontracted by the Contractor sign all appropriate disposal manifests prior to material leaving government property. Copies of all manifests shall be submitted to the Contracting Officer.

8.2 The Contractor shall replace any damaged exterior siding with cedar wood siding with 6” exposure or repair the siding in place using acceptable restoration methods whenever unsound material is encountered.

The Contractor shall identify all replacement materials and include this information in the historic treatment plan submittal provided to the Contracting Officer for approval prior to replacement as part of the historic treatment plan submittal.

8.3 The Contractor shall apply three coats of paint consisting of one primer coat and two cover coats on the previously painted surfaces of the exterior of the house, including the porch, where all lead based paint has been removed. There is approximately 2,620 square feet of exterior surface to be painted. The finished surface of the new paint system shall match the existing paint color. Each coat of paint shall be applied such that it provides a smooth uniform coating totally covering the surface on which it is applied and shall be free from drips, runs, and other imperfections.

8.4 The Contractor shall remove the unpainted wallpaper in the dining room using methods that minimize the disruption to the underlying surfaces of the walls.

8.5 The Contractor shall removal all unsound paint and conduct lead abatement and/or interior encapsulation for interior painted surfaces including, but not limited to, walls, ceilings, step risers, porch floor, steel beams and columns (basement), and doors in the basement, first and second floors, and the porch. There is approximately 6,000 square feet of interior painted surfaces. The Contractor shall ensure all lead paint has been removed or encapsulated prior to applying new paint. Painted wallpaper that is damaged shall be removed. Painted wallpaper that is not damaged shall be encapsulated, rather than removed.

8.6 The Contractor shall paint all previously painted surfaces on the interior of the building identified in the previous paragraph once lead paint abatement / removal has been completed. Surfaces to be painted where all the lead based paint has been removed shall require three coats of paint consisting of one primer coat and two cover coats. Surfaces where the lead based paint has been encapsulated shall require two cover coats of paint as the encapsulating coating is considered a primer for the cover coats. Each coat of paint shall be applied such that it provides a smooth uniform coating totally covering the surface on which it is applied and shall be free from drips, runs, and other imperfections. The Contractor shall ensure floor protection and cleanup of the property. The new paint for all painted surfaces exclusive of the ceilings shall match the existing paint color in the stairwell. All ceilings shall be painted white. A paint sample for each color match shall be submitted to the Contracting Officer for approval prior to initiating painting.

9.0 ELECTRICAL SYSTEM INSPECTION

9.1 Provide an inspection of the existing electrical system and assess compliance with current electrical code.

Identify any hazards present in the electrical system requiring immediate attention. Inspect and test outlets and switches to ensure they are in good working order. Identify items requiring repair.

10.0 GENERAL HISTORIC TREATMENT

10.1 Historic treatment work shall be performed only by qualified historic treatment specialists.

10.2 Provide a pre and post construction survey using digital documentation photographs.

10.3 Follow the procedures below and procedures approved in the historic treatment work plan unless otherwise indicated:

Retain as much existing material as possible; repair and consolidate rather than replace.

Use reversible processes wherever possible.

Use historically accurate repair and replacement materials and techniques unless otherwise indicated.

Notify architect of visible changes in the integrity of material or components whether from environmental causes including mold, UV degradation, freezing/thawing or from structural defects including cracks, movement, or distortion.

Do not proceed with historic treatment work in question until approved by the Contracting Officer.

Where historic treatment work requires existing historic features to be removed or dismantled and reinstalled, these operations shall be performed onsite when necessary without damage to the material itself or to adjacent materials.

11.0 SUBMITTALS

The Contractor shall provide the following submittals to the Contracting Officer for approval. Any delays resulting from the failure to gain approval of these submittals will not be the basis for any extension to the specified performance period.

11.1 Construction Schedule: Provide a construction schedule in accordance with Clause 52.236-15 within 10 days after Notice to Proceed to include:

Scheduling of the entire project and individual work item sequencing including the dates on which the

Contractor proposes starting and completing the overall project as well as all individual scheduled activities.

A Schedule Status Report on a monthly basis. At a minimum, the report, completed by the Contractor’s onsite coordinator, shall include records that summarize the completed work performed, problems encountered, resolution of problems, and anticipated requirements.

11.2 Historic Treatment Sub Schedule: Provide a historic treatment sub schedule coordinating the sequencing and scheduling of historic treatment work for the entire project, including each activity to be performed in historic spaces, areas, and rooms, and on historic surfaces; and based on Contractor's construction schedule.

Secure time commitments for performing critical construction activities from separate entities responsible for historic treatment work. The schedule shall be submitted 10 days before historic treatment work begins.

Schedule construction operation in a sequence required to obtain best historic treatment results Hold a preliminary historic treatment meeting prior to starting historic treatment work at the project site to discuss items of significance that could affect progress of historic treatment work Conduct coordination meetings specifically for historic treatment work when applicable.

Coordination meetings are in addition to specific meetings held for other purposes.

11.3 Historic Treatment Plan: Prepare a written plan for historic treatment for the entire project, including each phase or process and protection of surrounding materials during operations. Describe in detail the materials, methods, and equipment to be used for each phase of work. Provide samples of materials proposed to be used in the project including, but not limited to, a paint sample mock–up for all paints, shingles for the new roof, wood siding, brick and mortar for the chimney repair, and material to be used for wall repair. Provide a sample and specifications for any material to be used for restoring damaged wood without replacing the wood. The Contractor shall utilize techniques and methods representative of the current state of knowledge for each respective discipline. The plan shall show compliance with indicated methods and procedures specified in this and other sections. Coordinate this entire-project historic treatment plan with specific requirements of programs required in other historic treatment sections. The plan shall be submitted 30 days before the start of historic treatment work.

11.4 Accident Prevention Plan: Prepare a written plan as specified in accordance with Clause 52.236-13 and

EM 385-1-1 within 30 days before physical work on site begins. The plan shall include but not be limited to:

Air Pollution Control Plan detailing provisions to assure that dust, debris, materials, trash, etc., do not become air borne and travel off the project site. Plan shall also include locations of proposed temporary dust- and noise-control partitions and means of egress from occupied areas coordinated with continuing on-site operations and other known work in progress.

Contaminant Prevention Plan to identify potentially hazardous substances to be used on the job site or that could result from work identified in this SOW; methods to be used to deal with hazardous wastes to comply with pertinent regulations; actions to prevent introduction of such materials into the air, water, or ground; and to detail provisions for compliance with Federal, State, and local laws and regulations for storage and handling of these materials.

11.5 Waste Management Plan: Prepare a written waste management plan that is part of a waste management program taking a pro-active, responsible role in the management of construction and demolition waste and that requires all subcontractors, vendors, and suppliers to participate in the effort. Construction and demolition waste includes products of demolition or removal, excess or unusable construction materials, packaging materials for construction products, and other materials generated during the construction process but not incorporated into the work. This plan shall include debris removal plans that identify debris hauling routes, turning radii, and locations and details of temporary protective barriers within the immediate vicinity of the project.

11.6 Lead Waste Management Plan: Prepare a written lead waste management plan to comply with applicable requirements of federal, state, and local hazardous waste regulations regarding lead. Identify the Contractor’s employees or subcontractors responsible for removing, handling, storing, transporting, and disposing of lead waste materials. Comply with the applicable requirements of the current issue of 29 CFR

1926.62. Submit matters regarding interpretation of standards to the Contracting Officer for resolution before starting work. Where specification requirements and the referenced documents vary, the most stringent requirement shall apply.

11.7 Actions to Address Potential Release of Contaminants:

If a spill of petroleum or other contaminant occurs, the Contractor's immediate response shall be to proceed with measures to limit the further spread of contamination. Immediately following this initial response, the Contractor shall notify the local Fire Department, Contracting Officer, and appropriate local, state, and federal officials. This shall include the National Response Center (1- 800-424-8802) if a reportable quantity is released to the environment.

Subsequent to these actions, the Contractor shall take actions to clean up the spill as recommended by the Contracting Officer and at no cost to the Government. In the event that a personnel contamination occurs, the Contractor shall take immediate actions as prescribed by chemical manufacturer so as to protect the safety and health of the contaminated individual(s).

SECTION 00 21 00 - INSTRUCTIONS

The following were previously included by reference and are now included by full text:

52.236-27 SITE VISIT (CONSTRUCTION) (FEB 1995) – ALTERNATE I (FEB 1995)

(a) The clauses at 52.236-2, Differing Site Conditions, and 52.236-3, Site Investigations and Conditions Affecting the Work, will be included in any contract awarded as a result of this solicitation. Accordingly, offerors or quoters are urged and expected to inspect the site where the work will be performed.

(b) An organized site visit has been scheduled for-- Friday, September 20, 2019 at 11:00 AM (CDT)

(c) Participants will meet at-- Main Gate - Lock & Dam 10, 5 Lock & Dam Ln, Guttenberg, IA 52052

Please contact John Riederer, Contract Specialist at least one day prior to site visit if your firm will send a representative. John.P.Riederer@usace.army.mil or 651-290-5614

(End of provision)

SECTION 00 73 00 - SUPPLEMENTARY CONDITIONS

The following have been modified:

SUPPLEMENTARY TERMS

PARTNERING

The Government proposes to form a partnering relationship with the contractor. This partnering relationship will strive to facilitate communication and draw on the strengths of each organization in an effort to achieve a quality project, within budget, and on schedule. Participation will be totally voluntary. Partnering will not alter or supersede any provision of this contract nor will it provide either party with any additional contractual rights or obligations. Participation in partnering will not affect award of this contract. Any cost associated with this partnering will be agreed to by both parties and will be shared equally, with no change in contract price.

INSURANCE

As referenced in Contract Clause: INSURANCE--WORK ON A GOVERNMENT INSTALLATION, the following types and amounts of insurance are required under this contract.

Type Amount

Worker's Compensation and Employer's Liability Insurance:

Coverage A Compliance with State of Iowa Worker's Compensation Worker's Compensation Law

Coverage B $ 100,000 Employer's Liability

General Liability Insurance:

Bodily Injury $1,000,000 per occurrence

Property Damage Not Required

Automobile Liability Insurance (Comprehensive Policy Form):

Bodily Injury $ 500,000 per person and

$1,000,000 per occurrence

Property Damage $ 100,000 per occurrence

INVOICE PROCEDURES

In accordance with CONTRACT CLAUSE titled "PROMPT PAYMENT FOR CONSTRUCTION CONTRACTS", the contractor shall submit invoices as follows:

a. In order to qualify for a periodic payment, the Contractor must submit a proper invoice (request for payment) to the Contracting Officer's Representative (COR) and a determination must be made that supplies or services conform to the contract requirements. This determination will be made for the sole purpose of processing progress payments and will not constitute formal acceptance. The due date for making progress payments shall be as stated in the contract clause: PROMPT PAYMENT FOR CONSTRUCTION CONTRACTS.

b. The submitted request for payment must be accompanied with documentation adequate to substantiate the amount requested. Substantiation shall be consistent will the clauses in the solicitation titled Quantity Surveys, Purchase Orders, Invoices, etc. satisfactory to the COR.

c. The Contractor must also include with the payment request a certification as described in the Clause

"PAYMENT UNDER FIXED-PRICE CONSTRUCTION CONTRACTS".

d. Payment requests will be reviewed for propriety by the COR. Defective invoices will be returned to the Contractor for resolution with defects identified. Along with the returned invoice, the COR may include, at its option, an ENG FORM 93-PAYMENT ESTIMATE reflecting the substantiated and uncontested payment amount.

The Contractor will then be given the option of signing and returning the FORM 93 for payment along with the original invoice and certification or resubmitting a revised invoice and certification. To expedite payment, the Contractor may request in writing that the COR retain the defective invoice and immediately process the payment request at the amount determined to be acceptable to the Government.

AVAILABILITY AND USE OF UTILITY SERVICES

The Government will make available to the Contractor, from existing outlets and supplies to the extent that they are available, all reasonably required amounts of potable water, and restroom facilities without charge. The Contractor, at his own expense and in a workmanlike manner satisfactory to the Contracting Officer, shall install and maintain all necessary temporary connections and distribution lines, and shall remove the same prior to final acceptance of the construction.

The Contractor shall provide their own electrical power for the site.

SAFETY AND HEALTH REQUIREMENTS MANUAL INTERIM CHANGES, EM 385-1-1 (MAR

2015)

This paragraph applies to contracts and purchase orders that require the contractor to comply with EM 385-1-1 (e.g., contracts that include the Accident Prevention clause at FAR 52.236-13 and/or other safety provisions). EM 385-1- 1 and its changes are available at http://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_385-1-1.pdf. The Contractor shall be responsible for complying with the current edition and all changes posted on the web as of the effective date of this solicitation.

(End of Summary of Changes)