A04_Theater_SOW.pdf

Scope of Work

Theater Interior Maintenance and Improvements

Valley Forge National Historical Park (VAFO)

King of Prussia, PA

1.0 Background

1. This Scope of Work (SOW) is for the Valley Forge National Historical Park (VAFO) Theater building, also known as the auditorium. The building is located at 1400 North Outer Line Drive, King of Prussia, PA 19406.

2. The theater was built in 1966 and serves as the theater for park visitors to view the Valley Forge film. VAFO receives approximately 2.2 million visitors per year, and 25% of those visitors use the theater for their initial introduction to the park and its story.

3. This project will update finishes throughout the interior of the building, update lighting throughout, reupholster the existing seating, install network jacks, replace the ABA ramp and repair the solid stone step at the West entrances, repair the pent roof over the foyer entry, and perform carpentry and masonry repairs as needed for the completion of these tasks. This project also includes a bid option to construct a pent roof over the accessible ramp to match the pent roof at the foyer entry and repair the deteriorated wood components of the doorway at the accessible ramp.

2.0 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.

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. Paint all interior painted surfaces except for the black backdrop of the theater screen

i. Painted surfaces include, but are not limited to, walls, ceilings, interior soffits, exposed wire molding and conduits, trims, stairs, handrails, stage platform

(excluding the floor surface), doors, windows, exposed duct in the theater and all other interior previously painted surfaces.

ii. Rubber wall base throughout the building shall be removed as part of the painting prep work.

iii. The contractor shall install new rubber wall base for all areas where it is currently installed

1. The contractor shall provide the manufacturers standard colors of wall base to the COR for selection

iv. No painting will be required in the mezzanine mechanical room or the basement mechanical room

b. Update lighting throughout the interior of the building to include a new dimmer and controls

i. All new lighting shall be high efficiency LED

ii. This work includes the lighting in theater and foyer, as well as outdoor lights fixed to the building, and emergency lights in the theater.

c. Install 2 network jacks

i. New network jack locations will be identified by the COR

1. Note: cable has been installed by park staff. Contractor will be required to provide wall box, finish plate and termination wiring.

d. Replace all existing theater seating upholstery and padding

e. Replace exterior accessible ramp concrete and repair solid stone (marble) step at foyer entry

f. Repairing and replacement of components of the existing pent roof over the foyer entry

g. Replacing the drop ceiling in the foyer area

i. Including, but not limited to, removal of the existing soffit lighting, installation of new 2’x2’ ceiling grid system and lighting

h. Bid options:

i. Install a pent roof over the accessible ramp, matching the existing pent roof over the foyer entry

1. This option includes repairs to the door at the accessible entrance

3.0 Objectives

1. The objectives of this project are to:

a. Refinish all painted surfaces within the interior of the building.

b. Replace lighting with energy efficient lighting, and provide controls with dimming capabilities for the theater area

i. Lighting will be installed to meet code requirements and industry standards

c. Install permanent network jacks in 2 locations to provide network access to park staff.

(Note: Wiring has been installed and requires termination and wall outlet installation in locations provided by the COR.)

d. Reupholstering of existing seating to eliminate the existing worn and damaged upholstery.

e. Replace one accessible ramp to reduce slip hazards and more closely match the surround area concrete.

f. Repair solid stone step at the foyer entrance to restore the shape of the step, repair existing cracks, and eliminate the existing door stops.

g. Restore the existing pent roof (awning) over the foyer entry to provide safer entry to the building during inclement weather, correct past improper repairs, and ensure it is weathertight.

h. Replace the existing ceiling tile in the foyer area to accommodate the new lighting and eliminate the existing material that has exceeded its life expectancy.

2. The objectives for the bid options are to:

a. Repair the damaged and deteriorated exterior wood components of the accessible entrance doorway to prevent weather infiltration and provide a consistent appearance.

b. Install a pent roof (awning) over the accessible entrance that matches the foyer entry to provide for safer entry and exit during inclement weather

4.0 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 a report is provided by the COR, that covers the area of work, additional testing by the contractor will not be required prior to disturbance of the surface.

iii. 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

iv. 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.

v. 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. Care must be taken to protect the flooring and furnishings within the property and drop sheets shall be used at all times where necessary.

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

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

2. 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. 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.

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

d. 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.

e. 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.

f. 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.

g. 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.

h. 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.

i. 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.

j. Materials Preparation: The Contractor shall mix and prepare paint following the manufacturer's directions.

k. Application: The Contractor shall apply paint 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 satin latex paint (containing no lead or mercury) for all areas except for the theater. The

Contractor shall use a flat or matte latex base paint (containing no lead or mercury) in the theater room.

1. Paint color will be selected from manufacturers color wheel.

2. Color wheel shall be provided to the COR for color selection.

ii. On exterior surfaces, the Contractor shall apply a high quality exterior grade latex base paint that matches as closely as possible the existing color and sheen on the exterior of the property, or a color as otherwise specified by the COR.

Prior to painting, the Contractor shall scrape, sand, fill, and prime the surface.

The Contractor shall not apply exterior paint in snow, rain, fog or mist, or when the relative humidity exceeds 85 percent; or to damp or wet surfaces.

iii. The Contractor shall provide finish coats that are compatible with primers used.

iv. 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.

v. 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.

l. 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.

m. 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.

n. 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.

o. 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.

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

q. 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

r. 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.

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

t. 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.

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

COR

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

w. 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.

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

y. 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.

z. TOUCH UP

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

aa. 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.

bb. 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.

cc. 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.

dd. 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.

3. Lighting

a. Remove light fixtures as needed in the theater and foyer.

b. Inspect existing wiring and boxes to ensure compatibility with new fixtures and for any signs of deterioration, corrosion, or faults that would impact operation of the new fixtures or does not meet current code requirements

c. Inspect electric panels and existing breakers to ensure compatibility with the new lighting and controls

d. Install new fixtures and components required for a fully functional system as described below

i. General

1. Contractor shall submit a lighting layout plan showing the location of all fixtures for the foyer.

2. All components of the lighting system shall be compatible with the existing systems and the new light fixtures.

3. Contractor shall ensure that new lighting layouts, and existing layouts, meet code requirements and standards for proper illumination with the new fixtures.

a. With the exception of the foyer area, any areas that do not have the sufficient quantity of fixtures to meet code requirements for illumination with the new fixtures shall be brought to the attention of the COR.

4. Contractor shall supply and install a new dimmer for the lighting

a. Dimmer shall be “Lutron GRAFIK Eye QS” or equivalent

b. Dimmer shall have the capability of a minimum of 4 zones

c. Dimmer must be compatible with the existing systems and components.

5. Contractor shall supply and install a control interface for the lighting

a. Control interface shall be “Lutron QSE-IO” or equivalent

b. Controller must be compatible with the existing systems and components.

ii. Theater area

1. Replace 6 spotlight bulbs with high efficiency LED bulbs

a. Output and illumination to remain the same as the existing

b. New lights shall be dimmable

2. Replace 6 pendant light bulbs with high efficiency LED bulbs

a. Contractor shall ensure output of bulb at full illumination meets code requirements for illumination of the space

b. New lights shall be dimmable

iii. Entry Foyer

1. Remove existing lighting. New lighting shall be incorporated into the new drop ceiling system

a. Repair walls where the lights were removed to provide a smooth and consistent finish for painting

2. Install high efficiency LED light fixtures in the drop ceiling

a. Basis of bid quantity: 8 – 2’x2’ fixtures

b. Light fixture shall be RAB lighting EZPAN2X2-40N/D10 or equivalent

iv. Emergency lighting

1. Replace the two emergency light units it the theater with high efficiency

LED fixtures and bulbs

2. Units shall be equipped with battery units

3. Emergency lighting shall be installed to meet code requirements

4. Light fixture shall be Sure-lites SELM60R4SD or equivalent

v. Exterior Lighting

1. Replace existing bulb(s) with high efficiency LED bulbs for the foyer and accessible entrances

2. Locations shall remain the same

3. Accessible ramp light fixture

a. Contractor shall ensure fixture is properly secured to the structure

b. If the park awards bid option 1 for a new pent roof over the accessible ramp, the existing wall mount light will be removed, and new lighting fixture and bulb shall be installed to match the foyer pent roof.

4. Network Jacks

a. Using the existing network cables, install wall boxes and outlet plates to terminate the cables in the locations identified by the COR

b. Locations will be within the area of the raised stage platform

c. Outlet plates shall be white

5. Seating

a. Remove and dispose of all existing padding and fabric on the existing seating

b. Clean all seat and seat back surfaces prior to installation of the new padding and fabric

c. All work shall be done in a professional manner using quality products

d. Fabric shall be stretched tightly leaving no sags, wrinkles, bunching or other imperfections

e. New fabric shall be quality commercial grade fabric

i. Contractor shall submit fabric samples from the manufacturer’s solid color collection to the COR for approval of color and material

ii. Fabric shall be stain resistant

iii. Fabric wearability shall be Heavy-Duty (HD)

iv. Fabric shall be of the same material as the existing

f. New padding shall be quality high-density foam

i. Contractor shall submit foam padding samples to the COR for approval

ii. Padding shall be high density, non-loaded, virgin polyfoam

iii. Padding shall be antimicrobial

iv. Contractor shall provide and install silk film between the fabric and padding to protect the padding from moisture

6. Accessible ramp

a. Demolish and dispose of the existing accessible ramp

i. Side walls and rails are to remain

b. Ensure the existing gravel subbase is a minimum of 4” and is compacted sufficiently for placement of the new concrete.

i. Contractor shall fill in low spots and compact as required for the new ramp

ii. Contractor shall proof roll the gravel base to verify that it is compacted.

c. Contractor shall install welded wire fabric and steel reinforcement as required by codes and industry standards

d. Contractor shall place new concrete ramp

i. New concrete ramp shall meet the requirements of the Architectural Barriers

Act Accessibility Standards

ii. Concrete surface shall have a uniform finish to match the existing concrete approach to the existing ramp

iii. Expansion joints shall be installed where new work meets existing concrete

iv. Any required expansion joints, contraction joints, or construction joints shall be constructed at intervals to match adjacent areas.

7. Stone step

a. Contractor shall clean the entire exposed area, and prepare the existing stone step to be repaired

b. Remove the remaining parts from the previous door stops

i. Doorstops will not be reinstalled, and the holes shall be repaired

c. Using a product such as Cathedral Stone Products – Jahn M120 Marble repair mortar, or comparable product, the contractor shall repair the marble step leading into the foyer area.

i. Contractor shall have the marble repair product color matched to the existing stone.

ii. Contractor shall follow all manufacturers recommendations for repairs

8. Pent roof

a. Remove existing cedar roofing

b. Inspect framing and fasteners, as well as the existing sheathing or shingle lath, of the existing roof. If any damage or deterioration is found notify the COR of the condition prior to installation of the new roof surface.

c. Install new cedar shingles

i. Materials:

1. Shingles:

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

2. Nails:

a. Copper flat head 4d

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

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

iv. After repairs are completed to the roof structure deck and shingle lath, begin the installation of the wood shingle roof by installing accessories and flashings as specified, shown, or required to ensure a weather tight roof.

v. Layout the shingle coursing prior to starting to avoid a short course to the weather at the top. At the 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 ½ “to a maximum of 8”to the weather until the top 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. Do not allow joints between adjacent shingles to align with joints between shingle of the course above or below, minimum offset 1 1/2 “. Shingle width shall vary between 3 ½” and 6”.

vi. 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.

vii. Flashing and Sheet Metal:

1. 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.

2. Reference specification SMACNA

3. 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.

4. 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.

a. Leaking, failure to stay in place.

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

5. Materials: Materials shall conform to the following:

a. Metalwork:

i. 16oz. terne coated copper

b. Solder:

i. 50% tin, 50% pig lead, ASTM B-152

c. Caulking:

i. 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.

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

iii. 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.

viii. Provide and install a new rain deflector to shed water to the sides of the roof

1. Rain deflector shall be in-kind to the existing deflector

d. Remove existing tongue and groove side boards

i. Reset boards on the north end of the roof so that they are inset, matching the south end

ii. Replace the boards on the south end of the roof.

1. Replacement boards shall be in-kind to the existing boards

2. New boards shall be installed tightly to the building with minimal gap

a. Remaining gap shall be sealed to prevent water infiltration

9. Foyer ceiling

a. Remove all fixtures, sensors, detectors, grills, diffusers, track lighting and other items attached to the existing ceiling

i. Exit signs shall be stored to be reinstalled upon completion of the new ceiling

ii. All other items shall be replaced with similar components compatible with the new ceiling grid system

b. Remove existing ceiling grid system and all components

i. Grid suspension cable or ties shall be removed completely. No loose cables or ties shall remain after installation of the new ceiling

c. Contractor shall install a new 2x2 ceiling grid system and all required components, hardware and fasteners.

i. Surface-burning characteristics shall comply with ASTM E 84

ii. Flame-spread index: Comply with ASTM E 1264

iii. Smoke-developed index: 450 or less

iv. Provide manufacturer’s standard panels of standard configuration that comply with ASTM # 1264 classifications as designated by types, patterns, acoustical ratings, and light reflectances unless otherwise indicated.

v. Basis of design product: subject to compliance with requirements, provide

“Fissured” acoustic panels manufactured by Armstrong World Industries, Inc., or a comparable product by one of the following:

1. CertainTeed Corporation.

2. Chicago Metallic Corporation.

3. United States Gypsum Company.

vi. Provide panels complying with ASTM E 1264 for type, form and pattern as follows:

1. Type and Form: Type III, mineral base with painted finish; Form 2, water felted.

2. Pattern: CD (perforated, small holes and fissured).

vii. Color: White

viii. LR: not less than 0.81

ix. NRC: Not less than 0.55.

x. CAC: Not less than 30.

xi. Edge /joint detail: Square

xii. Thickness: 5/8 inch

xiii. Modular size: 24 by 24 inches

xiv. Broad Spectrum Antimicrobial Fungicide and Bactericide Treatment: Provide acoustical panels treated with manufacturer's standard antimicrobial formulation that inhibits fungus, mold, mildew, and gram-positive and gram-negative bacteria and showing no mold, mildew, or bacterial growth when tested according to ASTM D 3273 and evaluated according to ASTM D 3274 or

ASTM G 21.

xv. METAL SUSPENSION SYSTEMS, GENERAL

1. Metal Suspension-System Standard: Provide manufacturer's standard direct-hung metal suspension systems of types, structural classifications, and finishes indicated that comply with applicable requirements in ASTM C 635/C 635M.

a. High-Humidity Finish: Comply with ASTM C 635/C 635M requirements for "Coating Classification for Severe Environment

Performance" where high-humidity finishes are indicated.

2. Attachment Devices: Size for five times the design load indicated in

ASTM C 635/C 635M, Table 1, "Direct Hung," unless otherwise indicated. Comply with seismic design requirements.

3. Wire Hangers, Braces, and Ties: Provide wires complying with the following requirements:

a. Zinc-Coated, Carbon-Steel Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper.

b. Size: Select wire diameter so its stress at three times hanger design load (ASTM C 635/C 635M, Table 1, "Direct Hung") will be less than yield stress of wire, but provide not less than 0.106-inch- (2.69-mm-) diameter wire.

4. Hanger Rods, Flat Hangers: Mild steel, zinc coated or protected with rust-inhibitive paint.

5. Angle Hangers: Angles with legs not less than 7/8 inch (22 mm) wide;

formed with 0.04-inch-(1-mm-) thick, galvanized-steel sheet complying with ASTM A 653/A 653M, G90 (Z275) coating designation; with bolted connections and 5/16-inch- (8-mm-) diameter bolts.

xvi. METAL SUSPENSION SYSTEM

1. Wide-Face, Capped, Double-Web, Steel Suspension System: Main and cross runners roll formed from cold-rolled steel sheet; prepainted, electrolytically zinc coated, or hot-dip galvanized according to ASTM A

653/A 653M, not less than G30 (Z90) coating designation; with prefinished 15/16-inch- (24-mm-) wide metal caps on flanges.

a. Structural Classification: Intermediate-duty system.

b. End Condition of Cross Runners: Override (stepped) type.

c. Face Design: Flat, flush.

d. Cap Material: Steel or aluminum cold-rolled sheet.

e. Cap Finish: Painted white.

xvii. METAL EDGE MOLDINGS AND TRIM

1. Roll-Formed, Sheet-Metal Edge Moldings and Trim: Type and profile indicated or, if not indicated, manufacturer's standard moldings for edges and penetrations that comply with seismic design requirements;

formed from sheet metal of same material, finish, and color as that used for exposed flanges of suspension-system runners.

a. Provide manufacturer's standard edge moldings that fit acoustical panel edge details and suspension systems indicated and that match width and configuration of exposed runners unless otherwise indicated.

xviii. ACOUSTICAL SEALANT

1. Acoustical Sealant for Exposed and Concealed Joints:

a. Products: Subject to compliance with requirements, provide one of the following:

i. Pecora Corporation; AC-20 FTR Acoustical and

Insulation Sealant.

ii. United States Gypsum Company; SHEETROCK Acoustical

Sealant.

2. Acoustical Sealant: Manufacturer's standard sealant complying with

ASTM C 834 and effective in reducing airborne sound transmission through perimeter joints and openings in building construction as demonstrated by testing representative assemblies according to ASTM E

90.

a. Exposed and Concealed Joints: Nonsag, paintable, nonstaining latex sealant.

b. Concealed Joints: Nondrying, nonhardening, nonskinning, nonstaining, gunnable, synthetic-rubber sealant.

c. Sealant shall have a VOC content of 250 g/l or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

10. Bid option one

a. Accessible entrance pent roof and door repairs:

i. Construct a pent roof over the accessible entrance to match the existing pent roof over the foyer entrance.

1. New roof shall be sized to overhang each side of the door opening no less than 12”.

2. Roof shall be securely fastened to the existing structure

3. Roof shall be weathertight

4. Contractor shall submit scale drawings showing all framing, fastening, details, and finishes for approval prior to installation.

5. All materials shall be in kind to the existing roof over the foyer entry.

ii. Repair door jambs at the accessible entrance:

1. The bottom 16” of the side jambs are deteriorated and need to be replaced, primed and painted. The contractor will perform Dutchman repair of the jambs. Contractor will replace with the same size, shape and species of wood.

5.0 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 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. Company qualifications:

i. Examples of 2 projects of similar scope and complexity to this Scope of work, completed in the last 5 years. The projects shall exhibit the ability of the company to successfully complete work on historic structures where the work must meet the “Secretary of the Interior’s Standards for Rehabilitation and/or

Restoration”. Project descriptions must be no more than one-page, single space, written in 11pt. type. Along with the project description submit no more than 4 photographs illustrating the work. At least one photo should show the before conditions of the project to illustrate the extent of the work.

b. 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.

i. The Contractor shall assign a qualified job supervisor to the work. The supervisor shall have control of the job site, be responsible for the work and be present whenever work is ongoing either by the Contractor’s own personnel or his subcontractors.

ii. Minimum worker/subcontractor qualifications required:

1. Job Superintendent:

a. Minimum of 5 years of experience in construction field; at least 2 years of managing construction work crews. Must have worked on at least three projects involving historic buildings, provide a list of projects.

2. Carpenter:

a. Lead Carpenter: Minimum of 5 years as a finish carpenter

b. Carpenter: Minimum of 2 years as a finish carpenter.

c. Must have experience with work tasks included in the scope of work

3. Painting: A company and its employees regularly engaged in all aspects of interior and exterior painting having a minimum of 5 years of experience in the field.

a. Job foreman must have a minimum of 3 years’ experience as a crew leader.

b. Painter: minimum of 2 years of experience as a painter.

5. 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.

6. 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.

6.0 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 on the Transmittal

Register. 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.

6.0 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 COR will work with the contractor to establish allowable areas for disturbance to the structure and finishes.

c. 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.

3. Utilities

a. The Government will provide access to water and electricity. The Contractor shall instruct employees in utilities conservation practices. The contractor shall be responsible for operating under conditions that preclude the waste of utilities, which include turning off the water faucets or valves after using the required amount to accomplish appropriate work tasks.

b. The contractor will be permitted to use the restrooms in the basement level of the theater.

i. Contractor will be responsible for cleaning the restrooms weekly and upon project completion.

ii. Contractor will be responsible for providing their own paper products and hand soap.

iii. Contractor will be responsible for any damage or clogs created from use of the facilities.

4. Equipment

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

7.0 Place of Performance

1. All work shall be performed at the Valley Forge National Historical Park Theater.

a. Theater location: 1400 N. Outer Line Drive, King of Prussia, PA 19406

9.0 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 three (3) months from the notice to proceed for all work of this project.

a. Acceptance, by the NPS, of the bid option 1 will not add any additional time to the period of performance.

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.

2. 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.