Gym_SOW_R1.docx

Scope of Work

Replace Roof and Other Critical Systems at the Mordecai Moore/Ranger Station Garage

Valley Forge National Historical Park (VAFO) King of Prussia, PA

Background

1. This Scope of Work (SOW) is for the Mordecai Moore/Ranger Station Garage, also referred to as the Gym, located within the Valley Forge National Historical Park (VAFO). The building is located at 755 N Gulph Road, King of Prussia, PA 19406.

2. The park gym is a 2 floor structure consisting of garage bays for law enforcement on the lower level and a gym on the second level.

3. This project will replace and update components that have reached the end of their expected life cycle and are showing signs of deterioration or are beginning to fail. These items will provide a weather tight exterior while making the building more energy efficient.

Scope

1. Contractor is responsible to field verify all estimate quantities

a. It is STRONGLY encouraged that each bidder visits the site and fully acquaints themselves with the problems and conditions they will encounter if they become the successful bidder. Since absence from visiting the project will not be considered as an excuse for misunderstanding of the requirements of the contract, bidders are strongly encouraged to visit the park and attend the pre-bid site visit(s).

2. Contractor must be knowledgeable of and adhere to all federal, state, and local laws and regulations governing the types of work included in this document. Contractor shall also follow the Secretary of the Interior’s Standards for the Treatment of Historic Properties. Contractor shall plan, schedule, coordinate, and assure effective performance to provide the services required.

a. If there is a conflict between The Secretary of the Interior’s Standards for the Treatment of Historic Properties and manufacturers recommendations, the contractor shall submit a request for information (RFI), identifying the conflict, to the COR and Contract Specialist for a determination of precedence.

3. Contractor(s) shall be licensed in their respective jurisdictions. Contractor(s) are solely responsible for measuring and verifying in field, prior to bidding, all existing dimensions, sizes, areas and conditions. Also prior to bidding, contractor(s) shall investigate and verify nature and extent of work necessary and advise NPS in writing of any discrepancies and/or omissions in the requirements.

4. This contract requires the independent Contractor, functioning not as an agent of the Government, to provide all personnel, facilities, tools, labor, equipment, supervision, transportation, correspondence, supplies, staging and materials necessary to:

a. Replace all existing roofing surfaces.

b. Replace the existing wood stairs to the upper floor gym.

c. Replace the 5 lower level garage doors and one upper level garage door.

d. Replace all existing board and batten siding with fiber cement siding.

e. Replace the insulation of the exterior walls and the attic space.

f. Paint the entire exterior surfaces.

g. Upgrade all lighting to high efficiency LED lighting.

h. Upgrade the existing 100 amp panel to a 200 amp panel.

i. Replace the existing mini-split HVAC system with a standard split system.

Objectives

1. The objectives of this project are to:

a. Replace the existing roof surface to provide a weathertight roof surface.

b. Replace the existing wooden stairs with new wooden stairs to reduce the hazard of the existing deteriorated conditions and reduce maintenance requirements for repairs.

c. Rebuild the 6 garage doors to replicate the existing doors using fiber cement materials to provide easier operation for park law enforcement in the event of an emergency, reduce maintenance requirements, and eliminate deteriorated components.

d. Replace the existing wood siding with fiber cement siding to eliminate deteriorated components, reduce required maintenance and provide greater longevity of the siding.

e. Paint all exterior surfaces to provide a weather tight exterior and protect the underlying surfaces.

f. Replace the insulation of the second level and attic space to contribute to a more energy efficient building.

g. Upgrade lighting through out the building to contribute to a more energy efficient building and reduce maintenance requirement.

h. Upgrade the electric panel to provide additional circuits for future use in the building and to re-land existing circuits that are contributing to breakers tripping.

i. Replace the existing dual unit mini split HVAC system with an energy efficient heat pump system and ductwork.

Tasks and Requirements

1. General

a. The contractor shall be familiar with the requirements stated in this scope of work and meet with the park staff to gain a clear understanding of the design and functional requirements of work desired.

b. The contractor will confirm existing site conditions and measurements. Drawings, shop drawings, material samples and product submittals related to the proposed work will be prepared and submitted to the National Park Service (NPS). NPS approval shall be obtained prior to ordering materials. Work will be executed as described in the approved drawings and submittals.

c. Should hazardous materials be encountered, contractor(s) and their employees shall not conduct work with, or on, hazardous materials without proper training, certifications, protective equipment, and required notifications.

i. Any employee that will be required to work on surfaces containing hazardous materials shall have the appropriate training and certifications for working with that material.

ii. All work that disturbs hazardous materials shall follow all Federal, State and Local codes, regulations, guidelines, and laws.

iii. Upon the discovery of hazardous materials, the contractor shall notify the COR and Contract Specialist immediately. The contractor shall not proceed with the work containing hazardous materials until an approved risk assessment and safety plan have been completed.

d. Paints and finishes throughout the building, as well as flooring and insulation and other surfaces, may contain lead and/or asbestos. The contractor shall identify all areas that will require disturbance as part of each portion of this project and test these areas for the existence of lead and asbestos prior to any disturbances.

i. Testing must be performed by a licensed contractor, certified by the EPA and the Commonwealth of Pennsylvania for lead and asbestos testing.

ii. If results show the existence of any hazardous material in an area to be disturbed as part of the work, a safety plan shall be required prior to work beginning in that area that is relative to the hazard. At a minimum the plan shall include the following:

1. PPE to be used

2. Protective measures to prevent the spread of dust

3. Cleaning procedures

4. Disposal procedures

5. Clearance testing

iii. Any employee that will be required to work on surfaces containing hazardous materials shall have the appropriate training and certifications for working with that material.

iv. As a minimum, all areas identified to contain lead or asbestos shall be encapsulated with products guaranteed for a minimum of 20 years.

e. All work is to comply with local and IBC building regulations.

f. The contractor will rectify any damage to all areas on completion of the work.

g. All waste material to be taken from site and disposed of by the contractor.

h. Site shall remain tidy at all times and cleaned up on completion of work.

i. All work to be carried out in a workmanship like manner.

j. All Documentation regarding warranties, guarantees and instructional literature are to be submitted to the COR.

k. Any variations are to be priced and approved in writing by the Contracting officer before proceeding with the work.

l. All in kind repairs and replacements shall be of the same material type/species, design, dimension, texture, detailing and exterior appearance.

2. Roofing

a. Remove and dispose of the existing cedar shingles.

b. Inspect and clean the gutters and downspouts.

i. Ensure the gutters are properly mounted and sloped for drainage.

ii. Report any deficiencies requiring replacement to the COR.

c. Submit samples of shingles and accessory items for approval as to quality and grade.

d. Except as otherwise noted, shown, or specified herein, application procedures shall conform to the instructions of the Cedar Shake and Shingle Bureau. After demolition/removal of the existing wood shingle roof, review the roofing substrate with the COR prior to starting the new roof installation.

e. After repairs are completed to the roof structure, deck and shingle lath, begin the installation of the wood shingle roof by installing waterproof membranes and other accessories as specified, shown or required.

i. At the eave where the gaps between the shingle laths have been infilled, cover the entire surface with a self-adhering sheet membrane roof underlayment. Beginning at the eave lay the membrane shingle style to 4’0” up the slope of the roof. Lap joints where required a minimum of 6”.

ii. Lay self-adhering, self-sealing sheet membrane in valleys. Use minimum number of sheets to form valleys, lap joints shingle style.

iii. Install shingle breather matrix over all surfaces covered with self-adhering, self-sealing sheet membrane.

iv. Install metal flashing except for flashing intended to be laid up with the shingle installation.

f. Layout the shingle coursing prior to starting to avoid a short course to the weather at the ridge. At eave, begin with a double starter course, bottom shingle to be 16”, top shingles to be 24”. Continue with each course, laying the shingles in uniform courses a minimum of 7 - 1/2 “to a maximum of 8”to the weather until the ridge is reached. Omit interleafed roofing felts between shingle courses. At every 8th course of shingles in the field of the roof install a 3” wide continuous strip of copper sheet metal with ½” exposed to the weather. Use the minimum number of copper nails to securely tack copper strips in place. At 3 courses below ridge install water and ice shield material continuous along the ridge so that it extends down the slope an equal distance on either side of the ridge, lapping over the 4th course of shingles below the ridge so that it will be fully concealed by the remaining courses of shingles when installed. Do not allow joints between adjacent shingles to align with joints between shingles of the course above or below, minimum offset 1-1/2”. Shingle width shall vary between 3-1/2” and 6”.

g. Shingles shall be neatly laid with a 1/8” space between adjacent shingles with best face up. Use standard gauge to ensure uniform spacing between shingles. Nails shall be driven up but not tight. Each shingle shall have 2 nails. No shingle shall exceed 6” in width; work out end of courses to allow for proper offset of joints with the course below. Coursing shall be kept straight and carefully fitted up to end walls and around openings, pipes or other obstructions. Cuts shall be neat and snuggly fitted. Where required, flashing shall be laid up in each shingle course with cap flashing stepped.

h. At the ridge the last course of shingles on the west and north slopes of the roof shall extend 3” above the ridge. Trim lower courses to fit to the ridge alternating laps so that the last course shall have the shingle on the west slope lapping over the head of the shingle of the east slope. Install continuous copper ridge flashing under the next to the last course of shingles below the ridge. Ridge flashing shall extend ½” below the butt end of the covering shingles.

i. The roofing subcontractor shall provide tarps as required to protect the building and its contents from damage by water intrusion during inclement weather. Do not open up more roof area than can be covered by the tarps available on site. At the end of each day areas where demolition of the existing roofing has occurred shall be re-roofed or covered to prevent the intrusion of water. Tarps shall be tied down and secured to prevent displacement by the wind.

j. Materials:

i. Shingles: Premium Grade, Certi-Sawn, Western Red Cedar 24” length x ½” at butt x 1/8” at head, 100% heart, 100% edge grain.

ii. Nails: Copper flat head 4d

iii. Shingle Breather: Nylon three-dimensional matrix in roll form meeting ASTM C 165-00, ASTM D 6818, ASTM E 84, Color: Black

iv. Self-Adhering Sheet Membrane Roof Underlayment: Cold applied, self-adhering, self-sealing sheet membrane, 40 mil minimum, ASTM D412, ASTM D461, ASTM D903, ASTM D1970.

v. Roofer’s cement: FS SS-C-153 trowel consistency

k. Flashing and Sheet Metal:

i. Provide all labor, equipment and materials required for the fabrication and installation of metal flashings and roof accessories as indicated, specified or required including all incidental items normally required for the installation and conditions encountered.

ii. Reference specification SMACNA

iii. No metal flashing or any portion thereof shall be covered with any material until the COR has inspected the installation. If any material is covered before such inspection it shall be uncovered, and if damaged replaced at the contractor’s sole expense. Provide 72-hour notice prior to the work for the COR to schedule his inspection.

iv. The following types of failure will be adjudged defective work and shall be corrected immediately. Once corrective measures have begun, they shall continue to a satisfactory conclusion regardless of the guarantee period.

1. Leaking, failure to stay in place.

2. Undue expansion; uplift; deformation; loosening; and splitting seams.

v. Materials:

1. Metalwork: 16oz. terne coated copper

2. Solder: 50% tin, 50% pig lead, ASTM B-152

3. Caulking:

a. Caulk: ASTM C-920 Type M or S, Grade NS Class 25, Exposure Use NT, Substrate Use O, Single or multi component silicone, gun consistency, non-sagging type. Color selected from the manufacturer’s standard colors. Up to two colors to be selected for the project.

b. Primer: Propriety chemical recommended by the sealant manufacturer required for adhesion of sealant to various substrate materials.

c. Cleaner: Proprietary cleaner recommended by the sealant manufacturer, free of oily residues or other substances capable of staining or harming joint substrates and adjacent materials.

vi. Workmanship:

1. Pre-form flashing on metal breaks.

2. Provide concealed metal flashing set with shingle courses with stepped cap flashing at chimneys and parapet wall. Remove the existing cap flashing and stucco cover as part of demolition, clean out existing riglets or cut out mortar for new riglets in masonry of the chimney approximately 8” – 12” above the roof deck/lath. New stepped metal cap flashings shall be concealed at chimneys as detailed with stucco cover. Extend metal a minimum of 6” under shingles and 6” under the new stepped cap flashing. Secure cap flashing in riglets and caulk. Conceal cap flashing with new stucco as shown allow stucco to cure for min. of 15 days and paint to match the existing whitewashed masonry.

3. At ridges layup new copper ridge flashing.

3. Exterior stairs

a. The contractor shall remove and dispose of the existing wood stairs on the West elevation of the building.

b. Using the same footprint, the contractor shall construct a new set of stairs in kind to the existing including the handrails, balusters, landings, posts and other associated components.

i. If the existing stairs do not meet current code requirements, the contractor shall notify the COR and Contract Specialist and submit an RFI for direction on how to resolve the deficiency.

4. Garage doors (6 ea)

a. Remove the existing garage doors, setting aside all hardware. Hardware shall be reinstalled on the new garage doors.

b. Repair the roller assemblies to ensure the doors operate properly. Contractor shall also ensure the rollers and assembly are lubricated for proper operation.

i. The contractor shall notify the COR of any missing components to the roller assemblies.

c. Using fiber cement materials, detailed to match the existing wood beadboard including a wood texture finish, the contractor shall construct and install new doors for the 6 garage openings.

i. Treated lumber shall be used for support/framing on the rear of the door panel and shall be painted to match the fiber cement boards.

ii. Upon completion the new doors shall have the same visual appearance as the existing

5. Siding and insulation

a. Remove and dispose of all siding, trims and column wraps.

b. Remove and dispose of the exterior wall insulation and attic insulation

i. Unopened bags of insulation currently in the attic area shall be set aside and turned over to the COR.

c. Install new fiberglass insulation in the exterior walls and attic area.

i. New insulation shall meet local and current code requirements for R-value.

d. Install housewrap/vapor barrier prior to installation of new siding.

e. Install fiber cement board and batten siding

i. Fiber cement siding shall have dimensions in kind to the existing wood siding.

ii. New siding shall be painted on all sides to include reapplication of paint after field cuts.

iii. Upon completion the new siding shall have the same visual appearance as the existing siding.

6. Painting

a. This category includes coating systems materials, primers, emulsions, enamels, stains, sealers and fillers, and other applied materials whether used as prime, intermediate or finish coats.

b. All exterior surfaces shall be painted. This includes, but is not limited to, masonry walls, siding, trims, both sides of the garage doors, rafter tails, underside of exposed roof sheathing, doors, and windows.

i. Contractor shall repair the glazing compound on the lower level windows prior to painting them.

1. Glazing compound that does not show signs of cracking or deterioration shall remain. Areas of glazing compound that are missing, deteriorated, or cracked shall be removed and replaced with new glazing compound.

c. All paint materials shall be submitted to the COR for approval.

d. Product Data: The Contractor shall submit manufacturer's technical information, material safety data sheets, and application instructions to the COR for each paint material proposed for use, prior to starting work.

e. Single Source Responsibility: The Contractor shall provide primers and undercoat paint produced by the same manufacturer as the finish coats.

f. Material Quality: The Contractor shall provide the manufacturer's best quality trade sale type paint material. Paint material containers not displaying manufacturer's product identification are not acceptable. Product shall be stored in its original container when not in use.

g. Material Delivery: The Contractor shall deliver materials to the job site in manufacturer's original, unopened packages and the containers shall bear the manufacturer's name and label with trade name and manufacturer's instructions.

h. Material Storage: The Contractor shall store materials not in use in tightly covered containers in a well-ventilated area at a minimum ambient temperature of 45 degrees F (7 degrees C). The Contractor shall protect materials from freezing and keep storage area neat and orderly. Contractor shall remove oily rags and waste daily.

i. Project Conditions: The Contractor shall not apply paint when the relative humidity exceeds 85 percent, or at temperatures less than 35 degrees F (3 degrees C) above the dew point, or to damp or wet surfaces. The Contractor shall apply paint only in temperatures that comply with the manufacturer's specifications.

j. Preliminary Examination: The Contractor shall examine substrates and conditions under which painting will be performed for compliance with requirements and shall not begin application until unsatisfactory conditions have been corrected.

k. Preparation:

i. The Contractor shall remove hardware and hardware accessories, plates, light fixtures, and items in place that are not to be painted, or provide protection such as taping, prior to surface preparation and painting. (Taping includes windows, door jams, etc.)

ii. The Contractor shall clean and prepare surfaces to be painted following the manufacturer's instructions before applying paint or surface treatments. This preparation includes removal of oil, dust, loose rust, mildew, peeling paint or other contamination to ensure good adhesion. In some cases, the Contractor may be requested to remove all existing coats of paint and sealers if prior paint application is showing signs of improper adhesion, such as peeling, chipping, etc. All surfaces must be clean and dry. The Contractor shall schedule cleaning and painting so dust and other contaminants will not fall on wet, newly painted surfaces.

l. Materials Preparation: The Contractor shall mix, prepare, and apply paint and primers following the manufacturer's directions.

m. Application: The Contractor shall apply paints and primers following the manufacturer's directions. Use applicators and techniques best suited for substrate and type of material being applied. Do not paint over dirt, rust, scale, grease, moisture, scuffed surfaces, or conditions detrimental to formation of a durable paint film.

i. Unless otherwise specified, the Contractor shall use a high-quality linseed oil paint for all wood included to be painted. The contractor shall have the paint color matched by the supplier and shall provide samples painted on one square foot of board of the same material for approval by the COR.

1. Paint shall be a purified linseed oil product.

a. Linseed oil must be free of solvents.

b. Linseed oil shall contain zinc

c. Contractor shall follow the manufacturers specification/recommendations for application and surface preparation.

ii. Unless otherwise specified, the contractor shall use a high-quality whitewash for all stone surfaces included to be painted.

1. Premixed whitewash shall be Limeworks.us “Ecologic LimeWash Platinum” or equivalent.

2. Field mixed whitewash shall consist of the following:

a. 40lbs hydrated lime

b. 10lbs white Portland cement

c. ¾ cup of white latex paint

d. 8 gallons of clean potable water

e. Dry mix the hydrated lime and white Portland cement. Gradually add water, mixing well, add glue and mix thoroughly. Consistency should be that of heavy cream. Add the white latex paint to the whitewash and mix well. Yields a little over 8 gallons, enough to cover 1000 +/- square feet.

3. Unless otherwise specified, the contractor shall use a high-quality acrylic latex paint for all fiber cement surfaces.

iii. Prior to painting, the Contractor shall scrape, sand, fill, clean, and prime the surface. The Contractor shall not apply exterior paint in snow, rain, fog, mist, or when the relative humidity exceeds 85 percent; or to damp or wet surfaces.

iv. All products used for painting shall be compatible with each other.

v. The number of coats and film thickness required is the same regardless of application method. The Contractor shall not apply succeeding coats until previous coat has cured. The Contractor shall sand between applications where required to produce a smooth, even surface.

vi. The Contractor shall apply additional coats when undercoats or other conditions show through final coat, until paint film is of uniform finish, color, and appearance.

n. Scheduling Painting: The Contractor shall apply the first coat to surfaces that have been cleaned, pretreated, or otherwise prepared for painting as soon as practicable, and before subsequent surface deterioration. Allow sufficient time between successive coats to permit proper drying. Do not recoat until paint has dried.

o. Minimum Coating Thickness: The Contractor shall apply materials at the manufacturer's recommended spreading rate. The Contractor shall provide a total dry film thickness of the system as recommended by the manufacturer.

p. Prime Coats: Before application of finish coats, the Contractor shall apply a prime coat as recommended by the manufacturer to material required to be painted or finished, and which has not been prime coated.

q. Brush Application: The Contractor shall brush-out and work brush coats into surfaces in an even film. The Contractor shall eliminate cloudiness, spotting, laps, brush marks, runs, sags, or other surface imperfections. The Contractor shall draw neat glass lines and color breaks.

r. The Contractor shall apply primers and first coats by brush or roller unless manufacturer's instructions permit use of mechanical applicators.

s. Mechanical Applications: Contractor must ensure all areas not painted are protected from overspray. Mechanical application of paint must be back rolled to ensure a consistent finish. Proper personnel protective equipment must be worn while operating mechanical sprayers

t. Upon completion of painting, the Contractor shall clean the glass and paint-spattered surfaces. The Contractor shall remove spattered paint by washing, scraping or other proper methods, using care not to scratch or damage adjacent finished surfaces.

u. The Contractor shall remove temporary protective wrappings after completion of painting operations.

v. Preparation: Observe manufacturer’s recommendations regarding preparation of surfaces to receive paint and application of paint itself. Procedures shall include, but not necessarily be limited to, the following:

i. Cleaning - Clean down and remove oil, grease and loose foreign matter, including mold, mildew, dirt and corrosion products, in a manner which causes neither undue damage to the substrate nor damage to, or contamination of, the surroundings or the paint system to be applied.

ii. Glossy Surfaces - Adequately scuff and/or solvent or chemically etch as appropriate to provide satisfactory adhesion for subsequent paint coats.

iii. Filling - Fill cracks and holes with fillers, sealers, or grouting cements as appropriate for the finishing system and substrate, and sand smooth, to ensure all coats finish smooth.

iv. Drying - Unless otherwise specified, ensure that surfaces are cured and dry before applying additional coats of paint.

v. Generally - Remove weld spatter, slag, burrs, or any other objectionable surface irregularities. Remove any rust and apply rust primer.

vi. Apply an oil-based primer to any bare timber surfaces.

vii. Light sanding between coats.

w. Paint a 36” x 36” test patch of the nominated finished paint color for approval by the COR

x. Primers, sealers, undercoats - Ensure that primers, sealers and undercoats are suitable for the substrate and compatible with the finish coat and each other.

y. Paint Application

i. Apply paint and related material with an undercoat plus two coats of selected finish color paint or with the number of coats specified in accordance with the manufacturer's recommendations. Allow each coat to harden for the drying time (or time between coats) recommended by the manufacturer.

ii. Finish - Ensure each coat of paint is uniform in color, gloss, thickness and texture and free of runs, sags, blisters, or other discontinuities.

iii. Wet Paint Warning - Place notices and do not remove until paint is dry.

z. Final paint will be applied in two coats and according to the manufacturer's instructions.

aa. WORK AREA PROTECTION

i. Before painting in any section of the building, use plastic sheeting to protect finishes. Use masking tape wherever necessary to protect finished work or other surfaces liable to damage during painting.

ab. TOUCH UP

i. Clean off marks, paint spots and stains throughout including on glass, restoring damaged surfaces to their original condition.

ac. PAINT TYPES AND SPECIFICATIONS

i. Where Standard Specifications describe and define the standards required for specific materials, the materials used in the works shall conform to all applicable requirements of the relevant standard specification.

ii. Use only premium quality lines from approved manufacturers. Use only unadulterated paint except as per manufacturer directions. Do not combine paints from different manufacturers. On clear timber finishes use only combinations of putty, stain and sealer recommended by the manufacturer of the topcoats. Use only the type and quantity of thinners recommended by the paint manufacturer.

iii. Provide finish coats, which are compatible with prime and undercoat paints used. Provide barrier coats over incompatible primers or remove and reprise as required.

iv. Do not apply paints when surrounding temperatures and the paint manufacturer exceeds humidity conditions beyond that recommended.

v. Do not store or mix paint in areas or on surfaces liable to damage.

ad. FILLING

i. All holes, cracks and marks should be repaired with fillers, sealant, putties or grouting cements as appropriate for the finishing system and substrate and treat to achieve the required finish in accordance with industry standards before painting. Tint the filler to match substrate if the finish is transparent.

ii. Walls should be wiped down as necessary before painting.

ae. WORKMANSHIP STANDARDS

i. Care shall be taken to ensure that the base surfaces are properly prepared and that the materials are used correctly. Where other approved Codes of Practice are applicable, the workmanship and procedures described by the relevant Codes shall be regarded as the minimum standard acceptable.

ii. Store and apply paint in accordance with the manufacturer’s directions and the methods nominated in ASTM Paint standards for the painting of buildings and Construction Standard Specification Section 09900 Painting. Use applicators and techniques best suited for the type of material being applied.

iii. "Ridging" at roller overlaps shall not be permitted. Apply finish as heavily as possible without running to provide a uniform finish and color free from brush marks, hairs and other imperfections. Paint surfaces behind mobile equipment and furniture the same as similar exposed surfaces. Paint surfaces behind permanently fixed equipment or furniture. Finish exterior painted doors on tops, bottoms and side edges the same as the exterior face.

iv. Sand lightly between each successive coat as recommended by the paint manufacturer. Apply each coat of material at not less than the manufacturers recommended spreading rate.

af. REMOVE HARDWARE

i. Remove all hardware, hardware accessories and similar items in place and not to be painted or provide surface applied protection prior to surface preparation and painting operations. After completion reinstall all removed items

ii. Exceptional care must be taken to assure tidiness of work. Suitable temporary covers, masking, drop sheets, drapes and/or barriers shall be provided and maintained effectively where necessary to protect finishes in surrounding areas that are not to be painted. These are to be removed when the protection is no longer required. Provide "Wet Paint" signs as required to protect newly painted surfaces. Carefully remove and reinstate paint splatters from adjacent surfaces.

iii. Upon completion of the work all paint cans, other materials, containers, debris and protective coverings shall be cleaned up and removed from site and the Contractor shall leave the area in a clean, neat, and orderly condition satisfactory to the Contracting Officer Representative.

7. Electric

a. Using the existing fixtures, replace all lighting with high efficiency LED lighting.

i. Replace ballast(s) and components as necessary to accommodate the led lighting.

b. Remove and dispose of the existing 60-amp breaker panel and breakers

c. Install a 200-amp panel and new breakers for the required circuits.

i. The contractor shall install additional breakers to accommodate the relocating of circuits that are currently overloaded.

8. HVAC

a. Remove and dispose of the existing HVAC equipment

i. Patch walls and holes from the existing equipment removal and paint the patches to match the surrounding area.

b. Install a new HVAC system sized properly for the building. (only the second floor is conditioned space)

c. New system shall consist of a new condenser (heat pump), air handler, electric heat package, line set, duct work and all required components for a fully operational system.

d. Contractor shall install a thermostat for controlling the new system.

i. Thermostat location will be identified in the field by the COR

e. Outdoor unit shall be in the same location as the existing unit.

f. Indoor unit shall be located in Northwest corner of the unfinished room on the second level.

g. Duct work will be ran in the attic space to supply the second level of the building

h. Contractor shall provide the location for diffusers and grills to the COR for approval prior to disturbing the interior finish.

i. Contractor shall supply and install all grills and diffusers required for a complete system.

Quality Assurance

1. The quality of all work shall be the responsibility of the prime contractor. Inspect and test all work often enough, including all subcontractors’ work, to ensure that the quality of materials, workmanship, construction, finish, and functional performance is in compliance with applicable specifications, requirements and drawings.

2. The project superintendent or project manager shall inspect the project, ensuring all work is complete, prior to scheduling inspections.

3. All work shall be by qualified workers skilled in their trade. Substandard, defective and/or inferior work shall be corrected or replaced at the Contractor’s sole expense.

4. The contractor shall submit, with their bid, the following documentation outlining their qualifications for the work.

a. All work shall be by qualified workers skilled in their trade. All work shall be done in a workman like manner. Substandard, defective, and inferior work shall be corrected or replaced at the contractor’s sole expense.

b. Contractor, subcontractor, and personnel requirements

i. General contractor (Contractor that is awarded the contract) shall have experience in the successful completion of projects of similar scope, size and complexity that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work as demonstrated below.

1. Minimum firm qualification for the Contractor is five (5) years of experience demonstrated by the successful completion of a minimum of three (3) projects of similar scope, size and complexity in the last five (5) years that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work.

2. Provide a list of projects of similar scope, size and complexity involving historic buildings completed in the last five (5) years. Provide a brief description including up to three (3) photographs of each of three (3) projects of similar scope, size and complexity completed in the past five (5) years that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work.

ii. Site Superintendent shall be responsible for the performance of the work. The name of this person and an alternate who shall act for the contractor when the superintendent is absent shall be designated in writing to the contracting officer. The site superintendent or alternate shall have full authority to act for the contractor on all contract matters relating to daily operation of this contract. The site superintendent shall have full authority to act for the contractor on all contract matters relating to daily operation of this contract. The site superintendent, or alternate, shall be present on site at all times when the contractor’s employees or their subcontractors are working.

1. The Site Superintendent must have a minimum of (5) five years of experience in construction field; at least (2) two years of managing construction work crews. The Job Superintendent must have a demonstrated experience in working with historic buildings with a minimum of (3) three projects that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work.

2. Provide a list of (3) three projects that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work that the Superintendent has worked on during his or her career. At least one (1) of the projects submitted must be one that he or she served as superintendent of the work

iii. Crew Leader(s) shall be provided for each trade utilized for the project. Should the site superintendent possess the qualifications required of the crew leader for a specific trade, they may act as the crew leader for those trades.

1. HVAC

a. Minimum of five (5) years of experience in HVAC.

b. Minimum of two (2) projects of similar scope, size and complexity in the past three (3) years

c. Provide a list of two (2) projects that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work that the contractor has worked on.

2. Carpentry

a. Minimum of four (4) years as a finish carpenter

b. Minimum of two (2) projects of similar scope, size and complexity in the past three (3) years

c. Provide a list of two (2) projects that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work that the carpenter has worked on

3. Painting

a. Minimum of three (3) years as a painter

b. Minimum of two (2) projects of similar scope, size and complexity in the past three (3) years

c. Provide a list of two (2) projects that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portions or parts of the work that the painter has worked on

4. Roofing:

a. Roofers: minimum 2 years of experience as a roofer.

b. Minimum of two (2) projects of similar scope, size, and complexity in the past three (3) years

c. Provide a list of two (2) projects that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portion or parts of the work that the roofer has worked on.

5. Electric:

a. Minimum of three (3) years as an electrician

b. Minimum of two (2) projects of similar scope, size, and complexity in the past three (3) years

c. Provide a list of two (2) projects that followed the Secretary of the Interior’s Standards for the Treatment of Historic Properties on significant portion or parts of the work that the roofer has worked on.

5.

6. Project Documentation:

a. The contractor shall take a set of pictures prior to the start of the work. These photographs shall show each elevation of the structure as well any details needed to document the extent of the work. After each phase of the work and project completion the contractor shall take an additional set of photographs showing, from the same vantage point, each view recorded in the previous set of photographs along with any additional photographs that may be required to fully illustrate the work. The contractor shall submit the photographs of each stage of work with captions/labels stating the stage of the work, a description of the object being viewed, and the geographical orientation from which the photograph was taken. The initial submittal shall be provided to the COR on a compact disk and shall be updated with subsequent submissions. The final submission of photographs shall include a digital copy on CD or other approved storage device of all photographs with captions and descriptions submitted as part of the earlier submissions of the stages of the work.

7. Guarantee:

a. Contractor’s Guarantee: The contractor shall guarantee his work and that of his sub-contractors for one year (365 calendar days) from the date of final acceptance by the owner. The contractor shall be responsible for all corrections and repairs to his work determined to be defective during this period. Such time may be calculated from the date of final acceptance of the work under contract on separate buildings or distinct areas or types of work of the project should the owner agree that partial acceptance of the work is in the best interest of the Government. Once corrective measures begin under the contractor’s guarantee, they shall continue to a satisfactory conclusion regardless of the guarantee period. Temporary or short-term repairs shall not relieve the contractor of his responsibility under the guarantee. After repairs the guarantee shall not be satisfied until the repair has performed satisfactorily until the expiration of the guarantee, but in any case, not less than 6 months. The contractor’s guarantee covers workmanship and failure of the work to perform in such a manner that that the owner is unable to derive full benefit from the work and includes aesthetics and appearance as well as physical failures. The contractor’s guarantee is in addition to the warranties and guarantees that the various manufacturers and suppliers of materials, products or equipment used in the work may supply with their materials, products or equipment. The contractor is not responsible for damage caused by the owner except where such damage is a result of the contractor’s or their subcontractor’s defective work.

Delivery

1. The contractor shall develop and submit a Quality Control Plan (QCP) that implements procedures to identify, prevent, and ensure non-recurrence of defective services. The contractor’s quality control program is the means by which they assure themselves that their work complies with the requirements of the contract. The QCP shall be submitted to the COR for approval. After acceptance of the QCP, the contractor shall receive the contracting Officer’s acceptance in writing of any proposed changes to their QC system. A revised copy of the QCP shall be submitted to the Cor within five (5) working days when changes are made thereafter.

2. Daily reports, signed by the contractor, shall be consolidated and submitted to the COR weekly. Project management submittals will be submitted and approved as indicated. Product submittals will be approved in advance of procurement and installation.

3. The contractor shall develop and submit a Safety Plan for the project.

a. The safety plan shall include a plan that outlines the work, cleanup methods, signs and warning barricades, waste methods, personnel protective equipment, emergency and accident procedures, and COVID-19 safety procedures.

Government-Furnished Property

1. Services

a. An NPS archeologist will prepare test pits prior to any disturbance of soils or monitor any digging and excavations while occurring at no cost to the contractor. The contractor is responsible for notifying the COR, at least, 5 business days in advance of any ground disturbance to schedule the archeologist.

b. The Government shall supply no other service to the contractor.

2. Facilities

a. The government will provide no facilities to the Contractor. A staging area will be designated for the contractors use.

b. Note: there is no restroom facility for contractor use at the jobsite location. The contractor must provide a chemical toilet for their employees on the jobsite or utilize the public restrooms located throughout the park.

3. Utilities

a. Water and electric are available on site for the contractors use.

b. No other utilities will be provided for the contractors use.

4. Equipment

a. The Government will provide no equipment to the contractor.

Place of Performance

1. All work shall be performed at the park Gym.

a. 755 N Gulph Road, King of Prussia, PA 19406. Period of Performance

1. A non-mandatory pre-bid site meeting will be schedule by the Contracting Officer. It is STRONGLY encouraged that each bidder visits the site and fully acquaints themselves with the problems and conditions they will encounter if they become the successful bidder. Since absence from visiting the project will not be considered as an excuse for misunderstanding of the requirements of the contract, bidders are strongly encouraged to visit the park and attend the pre-bid site visit(s).

2. The period of performance shall be 60 days from the notice to proceed for all work of this project.

3. Recognized Holidays:

a. The contractor is not authorized to work at the site on Federal Holidays or weekends unless specifically authorized in writing by the NPS Contracting Officer. Requests to work over a holiday or weekend must be received no less than 5 working days prior to the holiday.

4. Hours of Operation:

a. The contractor is responsible for conducting business at the site between the hours of 7:00 a.m. and 3:30 p.m. Monday through Friday, except Federal holidays or when the government facility is closed due to local or national emergencies, administrative closings, or similar government directed facility closings. Work outside of these hours will not routinely be approved and must be requested with the Park and COR no less than three (3) days prior.

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