Attachment_A_SOW_MIIN_RE-Roof_HerrmannHouse.pdf

RFQ no. 140P8323Q0061 Herrmann House Re-Roof Statement of Work (SOW) Minidoka National Historic Site (MIIN)

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Statement of Work- Attachment A

1) Project Location Minidoka National Historic Site (MIIN) Herrmann House 296 S. 1400 E.

Jerome, ID 83338

2) Background

The purpose of the project is to replace the failing roof at the Herrmann house at the Minidoka National Historic site. The building is currently being used as a shared office space for administration and interpretation staff. The asphalt roof is in need of replacement as there are several spots on the roof where the asphalt shingles and roof felt have been ripped off by the frequent windstorms in the area. The decking is exposed, and the rainwater is leaking into the attic space.

3) Project Description

This project includes the removal and replacement in-kind of approximately 1200 square feet of three tab asphalt shingles, 30# felt paper or equivalent synthetic underlayment, flashing and new decking if applicable, the removal and replacement of approximately 80 linear feet of gutter and four (4) downspouts. Contractor is responsible for demolition and disposal or materials off-site. The extent of the decking damage unknown.

Please see attached images of the building at the end of this document and existing plans (Attachment A and B).

The Herrmann House is a simple single story structure. Roof anchors do not currently exist.

4) Definition of Contract Line Items

a. Contract Line Item 1: Mobilization & Demobilization

b. Contract Line Item 2: Remove and replace asphalt shingles, roof felt and drip edge. Remove and replace gutters and downspouts. Reflash and seal roof penetrations. Payment will be made at the contract lump sum price.

c. Contract Line Item 3 Properly dispose of roofing, gutters and associated material off-site. Payment will be made at the contract lump sum price.

d. OPTION A. Replace decking. The contractor shall not replace the decking unless the CO notifies the

Contractor in writing or through a modification. This Option may be exercised as applicable to complete the project. Payment will be made by quantity replaced, up to a maximum of 10.

5) Contractor Tasks for roof and gutter replacement:

The Contractor shall provide all labor, equipment and materials that result in the removal and proper replacement of the old roof with similar three-tab asphalt shingles that meet or exceed the local code for wind ratings (See attachment A).

Contractor is to remove existing shingles, felt paper and drip edge down to the decking and inspect the decking. Design documents indicate that the existing decking is 7/16” plywood. It is anticipated that a few sheets of decking will need replacement. K-style 5” white aluminum gutters and down spouts will be removed and replaced in-kind. Any existing penetrations into the roof will be properly flashed and sealed. Contractor is responsible for off-site disposal of materials.

Work shall include but is not limited to:

Contractor shall remove and replace the asphalt shingles, drip edge and felt paper. Contractor will also remove and replace the aluminum gutter and down-spouts. Contractor will make an effort to avoid any additional structural damage to the historic Herrmann house.

If the existing decking requires replacement, the contractor shall notify the Contracting Officer. The COR will inspect the decking and notify the Contracting Officer. The contractor shall not replace the decking until a modification is completed to exercise Option A.

Contractor shall be responsible to do all work in accordance with the manufacturer's recommendations, approved plans, specifications, and performance standards and in accordance with good building practice, P a g e 2 of 9 following any/all municipal, state, federal and local laws and codes pertaining thereto and to the satisfaction of the owner.

Contractor shall isolate the work area during performance making effort to protect the working areas and minimize disruption the NPS staff working in the building.

Contractor shall supply all required hardware, fasteners and miscellaneous materials necessary for installation of the material listed in this project, including but not limited to screws, flashing, caulk, etc.

All building materials shall be thoroughly checked and secured for safety and overnight security.

Roofing areas that remain exposed when work has ceased for the day shall be protected by tarping.

Contractor is responsible for employee safety and will mitigate as needed. The Herrmann house does not currently have safety anchors installed in the roof.

All work shall be inspected and then approved by the Contracting Officer or their representative. See close out procedures.

Contractor shall be responsible for site restoration and damages due to their work.

Contractor is responsible for the demolition, removal and proper off-site disposal of materials related to this project.

6) Field Verification: Field verify all new and existing dimensions affecting the work of this contract before ordering products.

7) Staff use of Site General: The project site will be open to the staff during this project. The Contractor shall at all times conduct his operations to ensure the least inconvenience to the staff. Temporary closures may be necessary and will permitted upon specific written approval of the Contracting Officer. NPS Staff vehicles can be relocated as needed.

8) Contractor use of Site

A. General: Limit construction operations to the project area limits.

B. Park Regulations: Ensure all personnel (contractors, subcontractors, and vendors) entering or working in the park are familiar with and obey all park regulations.

C. Site Access: The contractor shall access the project site thru existing roadways. Do not drive vehicles off road or access non-project areas without permission from the Contracting Officer or their representative.

D. Working Hours: Regular work hours shall be limited to daylight hours from 6:00 a.m. until 7:00 p.m.

Monday through Friday, excluding government holidays. Work outside regular hours requires advance approval from the Contracting Officer.

E. Staging and Storage: Confine the staging and storage of equipment and materials to the areas established at the preconstruction meeting. The Contractor will be responsible for the security of all equipment and materials at the jobsite.

F. No Smoking Policy: Smoking is prohibited inside or outside within 25 feet of any buildings in the park. This applies to existing buildings and buildings under construction or renovation. Discarding of tobacco products or debris anywhere other than into designated tobacco receptacles is considered littering and subject to fines.

9) Products

Asphalt three-tab shingles with a wind rating of 115 mph. Architectural grade asphalt three-tab shingles.

Current shingles are a dark brown and grey-green hue. Meet or exceed current wind rating and verify proper installation to avoid recurrence of present failing condition. (See attachment A for wind speed ratings for this specific project location.) Approximately 1200 square feet. Contractor to verify at site visit.

30# roof felt or synthetic equivalent. Approximately 1200 square feet.

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Replace existing white 5” K-style aluminum gutters and downspouts.

Approximately 80 linear feet of gutter plus four downspouts (approximately 40 feet of downspout total).

Contractor to verify at site visit.

Replace roofing sheathing as needed, see option A. Contractor to verify at site visit. As built documents suggest that 7/16” sheathing was used.

Replace aluminum flashing and drip edge with similar product. Properly seal roof penetrations with flashing and sealant.

10) Project Management

SUBMITTALS

A. 14 Calendar Days after Contract Award. The following documents shall be submitted no later than 14 calendar days after contract award and a minimum of seven (7) calendar days prior to the Preconstruction Meeting. If all of these documents have not been received prior to the scheduled Preconstruction Meeting date, the meeting will be cancelled and the Notice to Proceed (NTP) will not be issued. Work shall not commence until written Notice to Proceed (NTP) has been issued.

1. Product Data – Submit product cut sheets / material data on all products to be used for approval.

Indicate the Manufacturer and type of each recommended product.

2. Schedule - Submit a baseline schedule with start date, end date, major work activities and durations, estimated pre-final (substantially complete) and final (entirely complete) inspection dates, and other major milestones. Provide updates to baseline schedule as needed or as requested (when there is a change to the critical path).

3. Accident Prevention Plan (APP) – Submit a “site specific” accident prevention plan with the following information (at a minimum). Refer also to PART 5 Safety Requirements.

a. Name of the supervisor responsible for executing the plan.

b. Emergency contact phone numbers.

c. Map of local area emergency medical facilities relative to the jobsite.

d. First aid and emergency medical procedures / forms.

e. Company safety plan / protocol.

f. Site specific COVID-19 safety plan.

g. Job hazard analysis (JHA) completed for each major work activity.

4. A list of Subcontractors for this project.

5. If applicable, written statements from subcontractors certifying compliance with applicable labor standard clauses.

6. Satisfactory evidence of liability insurance coverage and workman’s compensation for the Contactor and all subcontractors.

B. Close out Submittals.

1. Product / material cut sheets (all approved products used on the project).

2. Product warranties for individual products and systems.

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3. A one (1) year Contractor-issued warranty on all workmanship starting from the date of final acceptance.

SUBMITTAL PROCEDURES

A. CM-16 Transmittal Form: All submittals shall be transmitted using NPS CM-16 form sent via email.

No action will be taken on a submittal item unless accompanied by the CM-16 transmittal form.

Complete all applicable fields, sign the form, and attach all supporting documentation.

B. General Submittal Procedures:

a. Processing Time: Allow 7 days for NPS review of a submittal. When review is complete, an email notification will be sent to the Contractor. No extension of contract time will be authorized because of failure to transmit submittals in a timely manner.

b. Electronic Submittals: Transmit all submittals except physical samples in PDF format.

c. Physical samples: Deliver physical samples to COR (or onsite POC).

11) Preconstruction Meeting

A. Preconstruction Meeting: Before the start of construction, the Contracting Officer will arrange for a preconstruction meeting either on site or via teleconference. The meeting agenda will include the following topics:

1. NPS Roles & Responsibilities

2. Key Contractor Personnel

3. Coordination with Subcontractors

4. Correspondence & Submittal Procedures

5. Submittals

6. Park Rules & Regulations

7. Work Hours and Weekend, Holiday, and Night Work

8. Project Information

a. Park Access

b. Jobsite Access & Parking

c. Staging, Storage, and Laydown Area(s)

d. Temporary Facilities & Controls

e. Jobsite Restrictions

f. Resource Protection

g. Weather, Climate, Environmental Conditions

h. Reference Documents

i. Other Contracts / Ongoing Work

9. Labor Standards Provisions

10. Labor Interviews

11. Payroll Reports

12. Payments to the Contractor

13. Change Orders / Modifications

14. Progress Meetings

15. QC Daily Reports

16. Inspections

17. Acceptance and Rejection of Work

18. Closeout Procedures & Submittals

19. Contract Period of Performance

20. Notice to Proceed

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12) Requests for Information (RFIs)

A. General: On discovery of the need for additional information or interpretation of the Contract Documents, the Contractor shall prepare and submit an RFI utilizing the NPS form.

1. Contracting Officer will only respond to RFIs submitted by the Contractor.

2. Coordinate and submit RFIs in a prompt manner to avoid delays in the work.

B. RFI Form: Include a detailed, legible description of the subject or item needing information or interpretation on the RFI Form with:

1. RFI number, numbered sequentially.

2. Date.

3. RFI subject.

4. Specification Section number and title and related paragraphs, if applicable.

5. Drawing number and detail references, if applicable.

6. Photographs or sketches, if applicable.

7. Contractor's suggested resolution. If the Contractor's suggested resolution impacts the contract time or the contract sum, Contractor shall state the impact in the RFI.

C. Response to the RFI: The Contracting Officer will review each RFI, determine the action required, and respond accordingly.

13) Safety Requirements

A. General: The Contractor must comply with the following safety requirements:

1. First Aid Equipment: Provide adequate first aid equipment for all contract employees for the hazards associated with the types of ongoing construction work at the site.

2. First Aid Training: Provide adequate training to all Contractor personnel to ensure prompt and efficient application of first aid.

3. Personal Protective Equipment (PPE): Provide personal protective equipment (PPE) that meets applicable OSHA and ANSI standards for all contract employees.

4. Hazardous Materials: Hazardous materials are defined as explosive, flammable, poisonous, corrosive, oxidizing, irritating, or otherwise harmful substances that could cause death or injury.

Store hazardous materials in accordance with manufacturer’s and OSHA recommendations.

Maintain MSDS onsite for each chemical used on the jobsite. Immediately report all spills of hazardous materials to the contracting officer.

5. Safety Meetings: At a minimum, conduct daily "toolbox" safety meetings. These meetings shall be conducted by a job superintendent or crew leader and attended by all construction personnel at the worksite. Topics need to coincide with work scheduled for the week.

6. Emergency Contacts: Post telephone numbers and reporting instructions for ambulance, hospital, fire department, police, and park dispatch in conspicuous locations at the site.

7. Emergency Medical & Accident Reporting: In the event of an emergency / medical incident, the Contractor shall Dial 911 as needed.

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14) Quality Requirements A. General: The Contractor is responsible for all quality control to guard against defects and deficiencies in the work. Inspect and test work as needed to ensure that the quality of materials, workmanship, construction, finishes, and functional performance are in compliance with applicable specifications, drawings, codes and standards, and the QC Plan.

B. Quality Control (QC) Daily Reports: Submit quality control daily reports documenting the progress and quality of the work. The daily report shall be typed, legible, and complete and include representative photos. The daily report shall be submitted on a daily basis no later than the day after the work. The NPS prefers that the contractor use the NPS daily report form, but an alternate form will be allowed if it contains all major sections of the NPS form.

15) Temporary Facilities and Controls

A. General: The contractor will be allowed to set up temporary facilities and controls as outlined. All temporary facilities and controls shall be removed from the site before final acceptance of the work.

B. Temporary Utilities: The following utilities / services are available for use at the project site:

1. Water Service: Non-potable water service is available from facilities at or near the project site for use on the contract without charge.

2. Sanitary Facilities: Restrooms are available in the Herrmann house and at the visitor center.

3. Electrical Service: The park will provide an electrical connection to the building’s interior power source at no cost to the contractor.

16) Execution A. Examination: Examine the project area and site facilities and verify compatibility between existing conditions and the scope of work.

B. Preparation: Take field measurements or conduct surveys to verify quantities and dimensions before procurement and fabrication or installation.

C. Installation: Install all systems or components according to the specifications, manufacturer’s recommendations, permit conditions (where applicable), and local, State, and Federal codes, standards, and regulations. All systems or components shall be complete and operable.

D. Correction of the Work: Upon discovery of defects or damage of new work or to existing facilities damaged by new work, repair or replace damaged systems or components and restore substrates and finishes.

E. Progress Cleaning: Clean the project site and work area on a daily basis. Keep site free of waste and debris in proper containment. Properly dispose of all waste and debris offsite.

F. Final Cleaning & Waste Disposal: At the completion of the work, clean all surfaces and remove all waste materials, trash, tools, equipment, machinery, and surplus items from the project site and legally dispose of all waste items.

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17) Closeout Procedures

SUBSTANTIAL COMPLETION AND FINAL INSPECTION

A. When the project, or a designated portion of the project, is substantially complete, the Contractor shall request a pre-final inspection in writing at least three (3) calendar days in advance of the inspection date.

B. If the work is determined to be substantially complete at the pre-final inspection, the Contracting Officer will prepare a Letter of Substantial Completion with a Punch List of deficiencies to be corrected before final inspection / acceptance. The Contractor shall complete the work described in the Punch List within thirty (30) calendar days, as weather permits. Once all Punch List work is complete, the Contractor shall request a final inspection in writing to arrange for the confirmation of punch-list completion.

C. If the Contractor fails to complete the Punch List work within this timeframe, the Contracting Officer may either replace or correct the work with an appropriate reduction in the contract price or charge for re-inspection costs in accordance with the Inspection of Construction clause of the contract.

D. If the work is determined to be not substantially complete at the time of the pre-final inspection, the Contracting Officer will notify the Contractor in writing. The Contractor may request a new pre-final inspection; however, all re-inspection costs may be charged against the Contractor in accordance with the Inspection of Construction clause of the contract.

E. After all deficiencies have been corrected and the project is complete, a Letter of Final Acceptance will be issued by the Contracting Officer.

CLOSEOUT SUBMITTALS

1. Product / material cut sheets (all approved products used on the project).

2. Product warranties for individual products and systems.

3. A one (1) year Contractor-issued warranty on all workmanship starting from the date of final acceptance.

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