SOW.pdf

San Juan National Historic Site

STATEMENT OF WORK:

PMIS 244845

Repair/Replace Failing Exterior Doors, Windows and Shutters Parkwide

DATED:

August 21, 2020

Interior Region 2 South Atlantic Gulf

South Major Acquisition Buying Office

SOW Format

1. Background

2. Objectives

3. Place of performance

4. Period of performance

5. Scope

6. Tasks

7. Deliverables

8. Government-Furnished Property (GFP)

9. Safety

10. Security Considerations

11. Travel

12. Special Material Requirements

13. Other Unique Requirements and Considerations

14. Quality Assurance Requirement

15. Warranty

16. Project Personnel

1. Background

San Juan National Historic Site administers two unique sites; Castillo San Felipe del Morro, “El Morro” and Castillo San Cristobal. The two forts were constructed to defend the San Juan coastline during the 17th and 18th centuries. At present the doors, windows and shutters at these two forts have reached their life cycle. Natural weathering, lack of protective coatings, and extreme environmental conditions like high moisture, salt corrosion, and high winds have caused rapid deterioration of all these structures and the need for replacement and/or repair.

2. Objectives:

Project includes removing existing doors, windows and shutters that shall be repaired and/or replaced at El Morro and San Cristobal with Mahogany, Sapele, Utile (Sipo) or COR approved equivalent and shall be water resistant. The park will has identified which doors, windows and shutters shall need to be replaced in priority. All hardware shall be replaced using C95400 Aluminum Bronze alloy on the doors; hinges, door jambs, etc. All locations have been identified in Attachments A, B, C & D. All the new doors, windows and shutters shall be built to match existing historic appearance including replacement of rotten or damaged wood sills and door frames with new COR approved wood.

Contractor shall provide a cost to construct and install new doors, windows and shutters including all necessary hardware, painting and finishes. Contractor shall provide a unit price for each door, solid wood window shutter, and louver window shutter. See Attachment F, Bid Offer Sheet for quantities of windows, doors, and shutters.

The Contractor shall be responsible of providing drawings with exact measurements of all doors, windows and shutters requiring replacement. The Contractor shall coordinate the entire project work including scheduling of materials and notifying park staff 24 hours prior to deliveries. The Contractor shall have a superintendent/foreman on-site during all phases of work.

All openings featuring wood doors, window frames, and thresholds shall be replaced or repaired in kind. All replacement doors, windows and shutters shall be made of Mahogany, Sapele, Utile (Sipo) or COR-approved equivalent and shall be water resistant. All the new doors, windows and shutters shall be manufactured to match existing historic appearance including replacement of rotten or damaged wood sills, windows, shutters and door frames with new approved wood. No damage shall be permitted or modification of any opening done at any time.

All doors, windows and shutters shall be hauled off on daily basis and areas cleaned to include light paint touch up. COR may keep and salvage wood doors, windows, and shutters as requested. All metal hardware shall be made of C9540 Aluminum Bronze grade alloy that is consistent to the similar design currently being used on the doors; hinges, door jambs.etc. All exposed metal hardware shall be coated with Sherwin-Williams Macropoxy 646 black coating or COR-approved equivalent.

Coating installed per manufacturer requirements with a minimum of 2-3 mil profile application and shall be park approved prior to application.

3. Place of Performance:

San Juan National Historic Site - and Castillo San Cristobal, “San Cristobal”.

Permitted Work Hours: Monday through Friday, 6:30am – 3:00pm

Requests to work during weekends or on Federal holidays will be handled on a case by case basis.

4. Period of Performance:

The work of this Scope of Services shall be provided within 270 days from the Notice to Proceed.

5. Tasks:

Under this contract, the Contractor shall be required to perform the work and tasks identified in this Statement of Work. If any other items are needed during bidding, Park requests that it be noted in the bid package.

The Contractor shall deliver an itemized cost breakdown per the Bid Offer Sheet to include materials/equipment, labor, administrative, and other fees.

The Contractor’s Bid shall include all labor, tools, equipment, materials and supervision required to complete the following work. Each bid item includes includes mobilization, costs of preparatory work and operations, including but not limited to those necessary for the movement of personnel, equipment, supplies, materials and incidentals to the project site, site facilities necessary for the work on the project, traffic control, all other work or costs necessary for the completion of the project. Also included are costs related to fees, permits, licenses, insurance, bonds, taxes and all other costs that the Contractor is to obtain or pay to perform the work.

Also, includes the cost of maintaining a closed and secure entrance to the park outside normal park hours. Finally, it includes construction management and inspection.

a. BID ITEM #1: Conduct a Site Assessment: This item consists of a site visit to provide recommendations and a detailed scope of work. This work consists of conducting a facility survey of San Cristobal doors, windows and shutters to reveal and identify weaknesses in existing conditions and structures. The survey shall also identify alternatives to correct any weaknesses or deficiencies that may be found. The survey shall take measurements and templates as needed to fabricate windows, doors, and shutters. Contractor shall provide a written report of findings during the site assessment and drawing of sizes and dimensions of each window, door, and/or shutter.

b. BID ITEM # 2: Replacement of the main entrance doors to the Guard House D109 &

D110: The work involves fabricated replacement doors offsite and taking each door to the project site and replace door with a new one properly fit to each opening identified in attachments. The existing doors shall remain onsite until the replacement doors have been delivered to the project site. Payment shall include all operations in connection with the disconnection of the existing doors removal from the fort, transportation, and if necessary, the Contractor shall properly dispose these structures offsite. Payment shall be full compensation for wood material and assembly; fittings; hardware; spare hardware and parts; patching; coatings; protection of existing historic structure and/or fabric, provision of record drawings (as-built), testing, and all other appurtenances.

c. BID ITEM # 3: Replacement of the secondary entrance door to the Troops Quarters

D101 & D103: The work involves fabricated replacement doors offsite and taking each door to the project site and replace door with a new one properly fit to each opening identified in attachments. The existing doors shall remain onsite until the replacement doors have been delivered to the project site. Payment shall include all operations in connection with the disconnection of the existing doors removal from the fort, transportation, and if necessary, the Contractor shall properly dispose these structures offsite. Payment shall be full compensation for wood material and assembly; fittings;

hardware; spare hardware and parts; patching; coatings; protection of existing historic structure and/or fabric, provision of record drawings (as-built), testing, and all other appurtenances. All metal hardware shall be C95400 Aluminum Bronze grade alloy and epoxy coated matte black. The epoxy coating shall be LEAD FREE and also shall protect the Aluminum Bronze grade alloy from the effects of ultraviolet rays, chemicals, oils, alkalis, food acids, water immersion, abrasion, and high-pressure wash-downs. Also included are costs related to fees, permits, licenses, insurance, bonds, taxes and all other costs that the Contractor is to obtain or pay to perform the work. Also, includes the cost of maintaining a closed and secure entrance to the park outside normal park hours.

Finally, it includes construction management and inspection.

d. BID ITEM # 4: Replacement of solid wood window shutters Troops Quarters W101-

W106, W201-W209: The work involves fabricated replacement window shutters offsite and taking each shutter to the project site and replace shutter with a new one properly fit to each opening identified in attachments. The existing shutters shall remain onsite until the replacement shutters have been delivered to the project site. Payment shall include all operations in connection with the disconnection of the existing shutters removal from the fort, transportation, and if necessary, the Contractor shall properly dispose of these structures offsite. Payment shall be full compensation for wood material and assembly;

fittings; hardware; spare hardware and parts; patching; coatings; protection of existing historic structure and/or fabric, provision of record drawings (as-built), testing, and all other appurtenances. All metal hardware shall be C95400 Aluminum Bronze grade alloy and epoxy coated matte black. The epoxy coating shall be LEAD FREE and also shall protect the Aluminum Bronze alloy from the effects of ultraviolet rays, chemicals, oils, alkalis, food acids, water immersion, abrasion, and high-pressure wash-downs. Included are costs related to fees, permits, licenses, insurance, bonds, taxes and all other costs that the Contractor is to obtain or pay to perform the work. In addition, included are the costs of maintaining a closed and secure entrance to the park outside normal park hours. Finally, it includes construction management and inspection.

e. BID ITEM # 5: Replacement of larger solid wood window shutter Troops Quarters

W205: The work involves fabricated replacement shutters offsite and taking each shutter to the project site and replace shutter with a new one properly fit to each opening identified in attachments. The existing shutters shall remain onsite until the replacement shutters have been delivered to the project site. Payment shall include all operations in connection with the disconnection of the existing shutters removal from the fort, transportation, and if necessary, the Contractor shall properly dispose of these structures offsite. Payment shall be full compensation for wood material and assembly;

fittings; hardware; spare hardware and parts; patching; coatings; protection of existing historic structure and/or fabric, provision of record drawings (as-built), testing, and all other appurtenances. All metal hardware shall be C95400 Aluminum Bronze grade alloy and epoxy coated matte black. The epoxy coating shall be LEAD FREE and also shall protect the Aluminum Bronze alloy from the effects of ultraviolet rays, chemicals, oils, alkalis, food acids, water immersion, abrasion, and high-pressure wash-downs. Included are costs related to fees, permits, licenses, insurance, bonds, taxes and all other costs that the Contractor is to obtain or pay to perform the work. In addition, include are the costs of maintaining a closed and secure entrance to the park outside normal park hours.

Finally, it includes construction management and inspection.

f. BID ITEM # 6: Replacement of wood louver shutters Officers’ Quarters W102-

W106: The work involves fabricated replacement shutters offsite and taking each shutter to the project site and replace shutter with a new one properly fit to each opening identified in attachments. The existing shutters shall remain onsite until the replacement shutters have been delivered to the project site. Payment shall include all operations in connection with the disconnection of the existing shutters removal from the fort, transportation, and if necessary, the Contractor shall properly dispose these structures offsite. Payment shall be full compensation for wood material and assembly; fittings;

hardware; spare hardware and parts; patching; coatings; protection of existing historic structure and/or fabric, provision of record drawings (as-built), testing, and all other appurtenances. All metal hardware shall be C9540 Aluminum Bronze grade alloy and epoxy coated matte black. The epoxy coating shall be LEAD FREE and also shall protect the Aluminum Bronze alloy from the effects of ultraviolet rays, chemicals, oils, alkalis, food acids, water immersion, abrasion, and high-pressure wash-downs. Included are costs related to fees, permits, licenses, insurance, bonds, taxes and all other costs that the Contractor is required to obtain or pay to perform the work. In addition, included are the costs of maintaining a closed and secure entrance to the park outside normal park hours. Finally, it includes construction management and inspection.

g. OPTIONAL BID ITEM # 7: Replace of Solid Wood Windows at North Casemates

W112 – W116: The work involves fabricated replacement windows offsite and taking each window to the project site and replace window with a new one properly fit to each opening identified in attachments. The existing windows shall remain onsite until the replacement windows have been delivered to the project site. Payment will include all operations in connection with the disconnection of the existing windows removal from the fort, transportation, and if necessary, the Contractor shall properly dispose of these structures offsite. Payment shall be full compensation for wood material and assembly;

fittings; hardware; spare hardware and parts; patching; coatings; protection of existing historic structure and/or fabric, provision of record drawings (as-built), testing, and all other appurtenances. All metal hardware shall be C95400 Aluminum Bronze grade alloy and epoxy coated matte black. The epoxy coating shall be LEAD FREE and also shall protect the Aluminum Bronze alloy from the effects of ultraviolet rays, chemicals, oils, alkalis, food acids, water immersion, abrasion, and high-pressure wash-downs. Included are costs related to fees, permits, licenses, insurance, bonds, taxes and all other costs that the Contractor is to obtain or pay to perform the work. In addition, included are the costs of maintaining a closed and secure entrance to the park outside normal park hours. Finally, it includes construction management and inspection.

6. Performance Requirements Work shall include all finish Carpentry required for the selected doors, solid wood windows, and window shutters at San Cristobal in general, this includes the following items:

a) North Cascades Guard House (Information Station): See attachment A, B, and E: Main entrance door Material: Caoba,Teak and/or African mahogany. Total of 2 doors.

b) Troops Quarters: See attachment A, B, and C: secondary entrance doors (first floor) Material: Caoba, Teak and/or African mahogany. Total of 2 doors.

c) Troops Quarters: See attachment A, B, and C: First Floor west elevation: 6 solid wood shutter windows. Total of 6 shutter windows.

d) Troops Quarters: See attachment A, B, and C: Second Floor west elevation: 8 solid wood shutter windows. Total of 8 shutter windows.

e) Officers’ Quarters See attachment A, B, and D: window shutters 2nd elevation 5 (5 louver shutters): Total of 5 Shutters.

Wood

a) Doors, solid wood windows and window shutters shall be replaced with historically accurate replicas. Wood and other materials used shall be consistent with the colonial style of the historic site, to prevent an impact to the historic integrity of the fort.

b) The doors, windows, and shutters shall be constructed and replace in-kind; except, for the type of wood.

c) The new doors, windows, and shutters, and frames shall be constructed to follow the same pattern as the existing windows, doors, and shutters.

d) The doors shall be installed in a way that requires the removal minimal masonry fabric or plaster.

e) All wood shall be solid pieces of Caoba, Teak and/or African mahogany. The Contractor shall not be allowed to provide laminated wood, faux wood, and/or joints, which are not historically accurate or provided in the drawings.

f) The door shall be of Caoba, Teak and/or African mahogany and finished to have a smooth finish.

g) The wood shall be aged and/or dried to reduce shrinkage.

h) The Contractor shall fill holes, cracks, gaps with compatible patching material;

finish patch to match surrounding surface shape, texture and color.

i) Clean, sand and remove dust from surface to be finished.

j) All finish carpentry shall to be sanded smooth, and all blemishes filled so that no graining, knots show any holes.

k) Apply as needed coats of smooth, even coat/layer of sanding sealer, wood stain, Lacquer or as needed finish coats to achieve a very smooth finish.

l) All wood shall be coated with two coats of Benjamin Moore Arborcoat Exterior waterproofer clear water-resistant sealer or COR equivalent. Coating shall be installed per manufacturer requirements with a minimum of 2-3 mil profile application and shall be park approved prior to application.

m) Contractor shall provide samples that shall meet contract requirement for exterior use.

n) Staining of the doors windows and shutters shall be approved by COR, before any installation work begins.

o) The finish shall have uniform color depth and appearance in all lighting conditions.

p) The surface finish shall be free of surface defects, irregularities and any physical damage.

q) Once the windows or doors have been installed with new frames, it shall require masonry patching on the inside to close the openings between the frames and masonry walls.

r) The materials that are to be manufactured and installed shall be compatible with the masonry structure fabric and integrity.

s) Contractor shall coordinate with NPS maintenance staff prior to doing lime plaster repair work.

Hardware

a) Original/historical hardware shall be replaced in-kind; except, the metal material shall be a different type. Provide custom castings to match the existing design.

b) Manufacturer’s stock castings may be considered, provided deviations are minor and do not change the design concept.

c) Hardware shall be made and cast from C95400 aluminum-bronze, or similar casting grade of aluminum bronze such as Mil-B-16033, QQ-C-390 G5, QQ-B-671, Class 3, SAE J461 or J462, ASTM B505 or B505M for strength and maximum corrosion resistance. Chemical Composition: Cu - 83.0% minimum; Fe – 3to5%; Ni(including Co) 1.5%; Al – 10to11.5%; Mn – 0.5%. Density: 0.269 lbs/cubic inch.

d) All windows and doors facing the ocean front or plaza shall have properly secured hardware installed that will always be secured from the inside.

e) The Contractor shall install window and door hardware (i.e. lock, sliding bolts, door handles, all accessories) that matches the appearance of the existing hardware.

f) All the materials shall be furnished by the Contractor.

g) All metal hardware shall be Aluminum Bronze grade alloy and have an epoxy coated matte black. The epoxy coating shall be LEAD FREE and shall protect the C95400 Aluminum Bronze grade alloy from the effects of ultraviolet rays, chemicals, oils, alkalis, food acids, water immersion, abrasion, and high-pressure wash-downs.

h) All metal hardware resembling 18th Century locks, hinges, door jambs …etc. shall be replaced and consistent to the design currently being used. See attached illustrations.

i) Provide anchorage devices and fasteners where needed to secure decorative metal to in-place construction.

j) No clean up residue shall be left on adjacent finished surfaces, trim plates, fixtures or grilles.

7. Deliverables/Submittals:

• Samples for Initial Selection Purposes: Submit manufacturer’s standard size samples of colors and finishes.

• Samples for Verification purposes: Submit 6-inch square samples of each finish and color required, prepared from same material to be used for the work, to be submitted in the bidding package.

• Provide product submittals for all equipment to be used during the installation of the new doors, windows and shutters.

• Provide safety plan as identified in Section 9.

8. Government-Furnished Property, Material, Equipment, or Information (GFP, GFM, GFE, or GFI):

• NONE

9. Safety:

• When working, special attention shall be given to good hygiene practices, proper use of personal protective equipment.

• Area of work shall be closed off to the public for safety.

• Entrance shall be closed at the end of day.

Location hazards

• The location of this work may expose Contractor personnel to high-heat and humidity. The Contractor is to follow at a minimum all OHSA rules and procedures.

• While working in high areas scaffolding might be needed, Contractor personnel must comply with fall protection requirements and provide proper equipment.

Safety Plan

• A required safety plan shall be submitted and approved before any work is to begin. This plan shall identify any hazards related to the work and provide measures to follow to mitigate risk.

• The Contractor shall immediately report to the COR all accidents resulting in employee injury or death or damage to property while performing this contract.

• The Park safety officer has the authority to issue restraint or cease-and-desist orders to the Contractor when violations or unsafe acts are present and threaten Government and Contractor employees or damage to Government property.

10. Security:

Contractor shall be allowed to park two work vehicles in the parking lot for employees in San Cristobal daily and shall always be escorted by park staff. Contractor is always expected to be professional and courteous to NPS staff and park visitors. Contractor shall coordinate with COR obtain the required identification label for temporary use of employee parking lot.

Access to secured NPS buildings will be approved by the COR.

11. Other Unique Requirements

The Contractor shall take any necessary precautions to protect and preserve all-natural resources, cultural resources and all historic fabric, materials and structures that are in the park.

The Contractor is strongly encouraged to minimize waste by recycling or salvaging as much non-hazardous demolition waste as possible.

12. Quality Assurance Requirement:

The Contractor shall develop and maintain a quality assurance program to ensure services are performed in accordance with commonly accepted commercial practices. The Contractor shall develop and implement procedures to identify, prevent, and ensure non-recurrence of defective services. As a minimum the Contractor shall develop quality control procedures addressing the critical areas identified in this statement of work. The Government will periodically evaluate the Contractor’s performance in accordance with the statement of work. All new equipment shall conform to the manufacturer’s instructions and guidelines for installation and start-up. Except for tests or other items of work specified to be performed by the Government, the quality of all work shall be the responsibility of the Contractor. The Contractor shall inspect and test all work often enough to ensure that the quality of materials, workmanship, construction, finish, and functional performance follows applicable specifications and drawings.

On-Site Control –

The Contractor shall notify the COR at least 24 hours in advance of the initial and follow-up phases.

As soon as work begins, the Contractor shall inspect and test a representative portion of a feature of work for quality of workmanship; and review control testing procedures to ensure compliance with contract requirements.

The Contractor shall stop work on any item or feature pending satisfactory correction of any deficiency noted by the quality control staff or the Contracting Officer. Construction shall not proceed on any feature of work containing uncorrected work.

While performing work, the Contractor shall comply with the latest applicable versions of the following:

• Federal, State and Local Codes, Standards and Policies for Environmental Protection Authority requirements.

• Occupational Safety and Health Administration (OSHA) requirements.

Additional Requirements:

• All affected areas shall be restored to their original condition from before the work began. Any damages shall be fixed and repaired at no cost to the Government.

• Any damage to floor, or walls shall be the Contractor’s responsibility to repair to match existing materials.

• All new equipment shall conform to the manufacturer’s instructions and guidelines.

• Safely dispose of all equipment to be removed.

• Coordinate all work and utility service interruptions with park staff. No less than a 24-hour notice shall be given before any type of utility interruption is to occur. Interruptions shall not exceed more than one working day.

• Clean jobsite of all dust and debris at the end of each workday and ensure that all work is performed in a professional manner.

Product handling:

• Place materials in area protected from weather immediately upon delivery to project.

• Store above ground on blocks and cover with waterproof covering and provide adequate ventilation.

• Do not store seasoned materials in damp or wet area of building.

• Protect sheet materials from corner breakage and surface damage while handling.

• Protect treated materials from high humidity.

• The Contractor shall maintain existing utilities indicated to remain and protect them against damage during the works.

• The Contractor shall transport from site all debris, rubbish, and materials resulting from demolition operations and dispose offsite daily in accordance with local regulations.

15. Warranty

The Contractor shall provide a 1 year on call basis warranty for all work performed. The Contractor shall provide a written warranty stating that work executed under this contract shall be free from defects of materials and workmanship for a period of two years from date of substantial completion, and that material breakdown, cracking, peeling, hardware failure…etc...

shall be remedied on written notice at no additional cost to the NPS. The warranty shall be in writing and shall be signed by the Contractor. The warranty shall include the removal and replacement of materials as required to repair any cracked, peeling or deteriorated paint surfaces at no cost to the Government.