A04_Specs.pdf

NATIONAL PARK SERVICE

NORTHEAST REGION

PHILADELPHIA, PA

408 LOCUST STREET

LCS # 00830

REPAIR & RESTORE ROOF

AT 408 LOCUST STREET

PMIS #163750

FMSS #5047584

Independence National Historical Park

Philadelphia, PA

PMIS 163750 September 2020

SPECIFICATIONS

INDEX

DIVISION 1 - GENERAL REQUIREMENTS

01100 Summary of Work

01170 Accident Prevention

01300 Job Site Administration

01310 Project Meetings

01320 Construction Schedule

01330 Submittals

01520 Scaffolding

01500 Construction Facilities & Temporary Controls

01570 Special Controls

01600 Materials and Equipment

01770 Project Closeout

DIVISION 2 – SITE WORK

02224 Selective Demolition

DIVISION 4 - MASONRY

04201 Masonry Work

04510 Masonry Cleaning

DIVISION 6 – WOOD & PLASTICS

06100 Rough Carpentry

06200 Finish Carpentry

06300 Wood Treatment

Section 06340 Wood Repair

DIVISION 7 – THERMAL & MOISTURE PROTECTION

07631 Sheet Metal

07900 Sealants

DIVISION 9 - PAINTING

09901 Painting

END OF INDEX

SECTION 01010

SUMMARY OF WORK

PART 1: GENERAL

1.1 DESCRIPTION: The work of this contract consists of the general construction to repair and/or replace the standing and flat seam metal roofs and to carry out repairs to the wood cornice, eaves, dormers and other exterior woodwork associated with the roofs and limited repairs to the exterior masonry of 408 Locust Street. The work includes, but is not limited to, all materials, labor, equipment, and supervision; and performing all operations required to complete the project under a single contract. The project consists of the base bid and two options as described herein and shown on the plans.

1.2 BASE BID: The Base Bid includes the replacement in kind of the existing hand formed standing seam metal roofing designated as Roof Area # 1 on the drawings. The replacement in kind of the existing standing seam metal roofing designated as Roof Area # 2 on the drawings, the replacement of the existing flat seamed metal roofing designated as Roof Area # 3 on the drawings with a new EPDM fully adhered roofing system, and the repair and repainting of the shed roofs designated as Roof Area # 4 on the drawings.

The replacement of the existing mortar coping/cap of the chimneys and the parapet wall on the east side of Roof Areas # 1, 2 and 3 including removal of the existing cap, removal of failed mortar joints and pointing of the top horizontal surfaces of the masonry of these features and the treatment with the specified waterproofing of the new mortar caps. The work is described in more detail below.

A. Roof Area # 1: Consists of the standing seam metal roof of the main portion of the house facing Locust Street including all flashings, the dormer roof, pole gutter and rain leader or downspout.

1. Prior to the start of the work the contractor shall be responsible for the inspection of the entire roof identified as Roof Area # 1 to identify areas of leaking ,excessive weathering and metal fatigue, failed standing seams or solder joints, cracks or tears or other visible signs of failure. Provide a written report identifying roofing problems of Roof Area #1 to the COR.

The report shall be illustrated with photographs showing conditions or problems noted.

2 The existing standing seam metal roofing as described in 1.2 A. for Roof Area # 1 is to be replaced in its entirety. Remove the existing standing seam roof including the dormer roof, all underlayment and felts, flashings, accessories, the pole gutter and rain leader or downspout as indicated and replace with a new terne coated copper hand formed standing seam roof including the dormer roof, and all underlayments and felts, flashings, accessories, the pole gutter and rain leader or downspout as shown in the drawings or required to make a watertight roofing system. All new exposed metalwork shall be prepped and painted. Expected quantities of the carpentry repairs to the roof deck required to install the new roofing system are set forth in the Basis of Bid. Note that Option # 1 affects the roof replacement work.

3. Also included in the Base Bid are minor masonry repairs/repointing to the parapet walls, chimney and adjacent party wall with 410 Locust Street, the carpentry repairs to the decorative wood cornice of the north elevation and vented eave boards of the southern edge of Roof Area # 1 including deteriorated the blocking and framing uncovered during the cornice/eave repairs, indicated repairs to the wood siding, trim and window sash of the dormer and replacement of the chimney cap, spark arrestors and flashing of the chimney as indicated in the drawings. The prep and painting of the cornice and dormer woodwork in their entirety is also required. Refer to the basis of bid for quantities of anticipated repairs to the masonry and the carpentry of the cornice and dormer included in the base bid. Variations from the expected quantities of roofing repair work, if any, will be addressed in a modification to the contract.

B. Roof Area # 2: Consists of the standing seam roof of the three-story portion of the rear ell including all flashings, underlayments, insulation, roof accessories and vents, pole gutter and rain leader or downspout.

1. The work consist of the demolition/removal of the existing hand formed standing seam metal roof including all flashings, underlayments, insulation, roof accessories, pole gutter and rain leader or downspout and the replacement in kind with a new terne coated copper hand formed standing seam roof including all flashings, underlayments, insulation, roof accessories and vents, pole gutter and rain leader or downspout.

2. Additional carpentry repair work including prep work and painting. on the wood trim or eave boards along the west edge or eave of the Roof Area # 2 as indicated is required.

3. Also included are minor masonry repairs/repointing to the vertical faces of the parapet wall and chimney as indicated and the removal in its entirety and replacement of the cement chimney cap and the waterproofing of the same using a minimum 20% silane based masonry spray or brush applied waterproofing. Refer to the basis of bid for quantities of anticipated masonry repairs/repointing included in the base bid.

4. The replacement of the cement cap of the parapet wall of the east side of Roof Area # 2 and the waterproofing of the same using a minimum 20% silane based masonry spray or brush applied waterproofing.

C. Roof Area # 3: Consists of the flat seam metal roof of the two-story portion of the rear ell including all flashings, underlayments, insulation, roof accessories and vents, scupper and rain leader or downspout.

1. The work consist of the demolition/removal of the existing flat seam metal roof including all flashings, underlayments, insulation, roof accessories, scupper and rain leader or downspout and construction of a new plywood roof deck above the existing deck to conform to the revised roof slopes as shown and the replacement with a new fully adhered EPDM roofing system including all underlayments, insulation, flashings, roof accessories, vents, scupper and rain leader or downspout as indicated or shown. Include tapered wood sleepers as required for the new roof deck to achieve the indicated slopes and new framing as required for the scupper.

2. Additional carpentry repair work including prep work and painting on the wood trim or eave boards along the west and south edges or eaves of the Roof Area # 3 as indicated is required.

3. The replacement of the cement cap of the parapet wall of the east side of Roof Area # 3 and the waterproofing of the same using a minimum 20% silane based masonry spray or brush applied waterproofing.

2. Masonry repairs/repointing to the parapet walls and chimney are required as indicated. Refer to the basis of bid for quantities of anticipated repairs included in the base bid.

D. Roof Area # 4: Consists of the standing and flat seam metal roofs of the shed roofed portion of the house facing the passageway from Locust Street and the shed roof covering the kitchen entrance including all flashings, the pole gutter and rain leader or downspout.

1. The work includes any required repairs to make the roof assemblies weather tight and includes the cleaning, prep and painting of the metal roofs, flashing and pole gutters and rain leaders or downspouts.

2. Also included are any required carpentry repairs and the prep and painting of the woodwork of the eave facias and soffits in their entirety. Refer to the basis of bid for quantities of anticipated repairs included in the base bid.

E. General:

1. Installation of temporary roof and roof drain for duration of removal of roof work as required to protect the property from inclement weather.

2. Provide and install waterproof tarps sufficient in size to cover portions of the roof work in progress at the close of each workday or whenever weather events threaten the building or its contents. Tie down and secure the tarps to prevent wind uplift from displacing the tarps.

3. Provide scaffolding and/or lifts as required to provide access to the work.

1.3 OPTIONS: The following options may be accepted either separately or together at the sole discretion of NPS.

A. Option #1: In lieu of the replacement of the existing standing seam roof the existing roofing is to be repaired as required to make it watertight. The repairs shall include all areas identified in the initial investigation including all flashings, the dormer roof, pole gutter and rain leader or downspout and any required repairs to the underlayment or roof sheathing. At the completion of the repairs the entire roof surface of Roof Area # 1 including the exposed counter flashing shall be cleaned, prepped and painted as specified. Expected quantities of the roofing repairs including carpentry repairs to the deck are set forth in the Basis of Bid under Option #1. Variations from the expected quantities of roofing repair work, if any, will be addressed in a modification to the contract. All other work described in 1.2 A. shall be carried out as described or indicated.

B. Option # 2: In lieu of the replacement in kind of the existing hand formed standing seam roof described in 1.2 B. for Roof Area # 2 after removal replace the hand formed standing seam metal roofing with a new preformed prefinished metal pan standing seam roof with snap on seams. The new roofing pans shall approximate the width between seams of the original roof as closely as possible utilizing manufacturer’s standard preformed pans. Provide all necessary accessories for a secure weathertight installation of the new roof including all underlayments and felts, attachments, flashing, vents and gutters and rainleaders or downspouts. The roof color shall be approved from the manufacturer’s standard colors.

C. Option # 3: In lieu of the replacement of the existing flat seamed metal roofing with a new EPDM roofing system replace the existing flat seam metal roof with a new flat seam metal roof of terne coated copper. All other requirements of the base bid for Roof Area # 3 remain unchanged including the new roof deck to meet new roof slopes indicated.

1.4 BASIS of BID: The following quantities of work shall be included in the contractor’s base bid. If the quantity of work identified for a type of work by more than 10% from the quantities set forth below then the contract shall be modified to reflect the change in the scope of required work. Work quantified as “all” or “in its entirety” are not subject to basis of bid quantities and shall be considered a total or complete job without subdivision or apportionment of the work.

A. Roof Area # 1:

1. Replace deteriorated metal roofing: Metal roofing that is holed or otherwise deteriorated so that in the opinion of the C.O.R. it is unrepairable shall be cut out and replaced. Where feasible remove to the nearest existing seams, where necessary cut back to sound material forming cuts so that the patch can be properly seamed into the existing roof system. The completed patch shall be watertight. Include underlayments, felts and any required roofing accessories.

a. Provide one patch of eight (8’- 0”) S.F. or up to four (4) patches of one and one and a half (1’– 6”) S.F.

2. Re-solder broken or open seams where the metal is not otherwise damaged.

Include cleaning and other prep work as required.

a. Clean, prep and re-solder twelve (12) L.F. of broken or open seams.

3. Solder tears in the metal roofing, include all cleaning and other prep work required.

a. Solder two (2) tears up to six (6”) inches long.

4. Replace damaged wood roof deck, and blocking with new to match existing in kind.

a. Wood roof deck: Cut out deteriorated deck material and provide and install up to six (6’- 0”) S.F. of ¾” exterior grade plywood replacement decking material, include shimming as required to level with existing roof deck.

5. Replace damaged blocking and/or provide new blocking to support edges of roofing patches.

a. Provide up to six (6) pieces of 2 x 6 treated wood blocking up to 24” long.

B. Roof Area # 2:

1. Replace damaged wood roof deck, and blocking with new to match existing in kind.

a. Wood roof deck: Cut out deteriorated deck material and provide and install up to four (4’- 0”) S.F. of ¾” exterior grade plywood replacement decking material, include shimming as required to level with existing roof deck.

2. Replace damaged blocking and/or provide new blocking to support edges of roofing patches.

a. Provide up to four (4) pieces of 2 x 6 treated wood blocking up to 24” long.

3. Replace damaged eave boards as required.

a. Cut out and replace with new material up to five (5’-0”) L.F. of each shape of the eave boards. Match size, shape, profile and species of the existing material being replaced. Use scarf joints between old and new material. Prime all sides of new material and paint according to specs.

C. Roof Area # 3:

1. Replace damaged eave or rake boards of south and west elevations as required.

a. Cut out and replace with new material up to five (5’-0”) L.F. of each shape of the eave/rake boards. Match size, shape, profile and species of the existing material being replaced. Use scarf joints between old and new material. Prime all sides of new material and paint according to specs.

2. Replace damaged blocking or nailer on top of parapet wall along south and west elevation.

a. Cut out or remove up to eight (8’ – 0”) L.F. of the blocking/ nailer, assumed 2x8, at the top of the parapet wall and replace with new treated wood 2x8 with ¼ “ dia. x 8” long anchor bolts @ 24” o.c.

properly set into the masonry of the parapet wall.

D. Roof Area # 4:

1. Replace damaged eave or rake boards of south and west elevations as required.

a. Cut out and replace with new material up to three (3’-0”) L.F. of each shape of the eave/rake boards. Match size, shape, profile and species of the existing material being replaced. Use scarf joints between old and new material. Prime all sides of new material and paint according to specs.

E. Masonry:

1. Cut out and repoint existing failed mortar joints. New jointing shall match the existing joint profile of existing original masonry as identified or approved by the COR. Mortar shall be a white masons lime mortar with sand color matched to samples of the original. See Masonry Repair Specifications.

a. Cut out and repoint up to seven hundred and fifty (750) L.F.

(approximately 150 S.F.) of existing deteriorated mortar joints. Note, spot repointing is part of the total.

2. Cut out and replace existing damaged or failed bricks. The new brick shall match the existing brick in color, texture and size. Match the existing joint profile of adjacent existing original masonry as identified or approved by the COR. The mortar shall be a white masons lime mortar with sand color matched to samples of the original. See Masonry Repair Specifications.

a. Cut out and replace up to twenty (20) damaged brick.

1.5 DURATION OF THE CONTRACT: The Contract shall be completed within 90 days from the start of the project, given normal weather conditions. Fair and reasonable extensions may be granted for unforeseen circumstances at the desecration of the Contracting Officer.

1.6 LOCATION: Building 00830, 408 Locust Street, is located on Locust Street between Fourth and Fifth Streets; Philadelphia, PA 19106

1.7 PROJECT WALK-THROUGH FOR BIDDING: Contractors are HIGHLY

RECOMMENDED to visit the Project Site prior to review the actual field conditions, measure all work, estimate all work precisely and to be thoroughly familiar with the conditions of the work prior to bidding however, the building is currently occupied and access is restricted. Contact the park to schedule a site inspection for project walk-through prior to bidding. Any questions about the extent or quality of the work expected must be submitted in writing to the CO, prior to bidding.

1.8 COMMENCEMT, PROSECUTION AND COMPLETION: The Contractor shall commence this contract within (10) ten days, working days, from the receipt of notification to proceed. Contractor shall prosecute the work with faithfulness and energy and in a neat and orderly manner to complete the work under this contract within (90) ninety calendar days after the date of receipt of notification to proceed. The above interval of (90) calendar days is hereby agreed upon as the time necessary for completion of the entire project under this contract.

1.9 CONTRACTOR’S USE OF PREMISES:

A. Staging-Storage Area: The establishment of a staging area is limited. Contractor shall make arrangements for a staging area in the parking lane on Locust Street with the City of Philadelphia.

B. The building will be occupied for the duration of the work. Contractor shall install scaffolding, if used, to ensure that access is maintained, and all building doorways are protected for the duration of scaffolding being on site to permit public access/egress. If closure of a building entry is required, then Contractor shall notify Contracting Officer 48 hours prior to entry closure. No building entry shall be closed without prior approval by Contracting Officer.

1. The Contractor’s construction activities shall not interfere with the public sidewalk access for public and employee use while scaffolding is on site.

2. The Government reserves the right to reschedule work that causes excess fumes or noise which interrupts adversely impacts the visitors experience normal work.

3. The contractor’s construction activities shall not interfere with building access for public and employee use throughout the construction phase.

4. Blocking of sidewalks along the street must be kept to a minimum and will only be allowed with previous approval from the Contracting Officer (CO).

5. If walks are to be blocked, signage necessary to direct pedestrians around the obstruction safely will be required. Protect pedestrians from falling overhead debris, with fences. The contractor shall keep a minimum of two rolls of warning tape on site at all times. The National Park Service will not tolerate any deviation from the specifications that detracts from the safety of the park's staff or visitors.

C. 408 Locust Street will remain occupied during construction and continue to function as the Independence Park Institute, the park’s educational facility. All construction work in this building shall occur during normal working hours. The Government reserves the right to reschedule work which causes excess fumes or noise which interrupts normal work.

D. The entrances of 408 Locust Street will remain as emergency egress route for building occupants. The Contractor shall erect a scaffolding bridge to maintain unobstructed egress from these egresses for the duration of the construction. The Contractor shall provide and maintain barricades between work areas and egress routes.

E. The Contractor shall conduct his operations to ensure the least inconvenience to the occupants.

1. No loud radios or other forms of music shall be permitted.

2. Loud noise shall be kept to a minimum.

F. The Contractor will not be permitted interior access to the facility, 408 Locust Street, or other Park structures unless accompanied by the Contracting Officer’s Representative (COR).

G. Unless otherwise specified, all removed material becomes the property of the Contractor and shall be disposed of outside the park. The Contractor shall immediately remove hazardous rubbish from project site. Place other construction debris in refuse containers at least daily. Dispose of refuse at least weekly, in a legal manner, at public or private dumping areas outside the park.

1. Do not burn or bury refuse inside the park.

2. Clean up debris from walks and sidewalks immediately to prevent tripping hazards.

H. The Contractor shall conduct his operations to ensure the least inconvenience to the public.

I. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Park Superintendent. Information regarding rules and regulations for vehicular traffic on park roads may be obtained from the Office of the Park Superintendent. A special permit will not relieve Contractor of liability for damage, which may result from moving of equipment.

J. Vehicular access to 408 Locust Street is limited. All vehicles including hi-lifts, operating on paved areas shall comply with the following requirements:

1. All vehicles are required to use pneumatic tires.

3. The contractor will be held responsible for the protection of the cobblestone paving, bluestone curbs, and brick paved sidewalks, and will be held accountable for any damage that occurs as a direct result of the work. Any vehicles that exceed a gross weight of 10,000 pounds or upon observable damage to paved areas regardless of the vehicles weight must use the protection described below. Using this method does not relieve the contractor of responsibility to protect the fire lane surface and walkways from damage.

a. Two layers of ¾” plywood, with a layer of 2” Styrofoam paneling in between, laid in such a manner that the surface of the paved area is covered to all extents of its surface.

b. When it becomes apparent that the Styrofoam has become compressed to a height that is less than half its original thickness, or to an extent that the Styrofoam is not protecting the paving, it is to be replaced as described above.

1.7 BARRICADES & SCAFFOLDING

A. The Contractor shall provide and maintain barricades between work areas/staging area and public areas.

B. All scaffolding to be erected or lifts used in conformance with all OSHA regulations.

C. Scaffolding as necessary to provide access to work area. A high-lift platform can be used instead of scaffold in some locations based on access. The Contracting Officer must approve the use of a high lift. Five (5) working days notice must be given before use of a high-lift platform.

D. Contractor will maintain access for the public and staff to the buildings throughout construction. The Contractor shall provide and maintain barricades between work areas. Contractor shall provide bridges at all exterior doors and passageways to permit protected access/egress by visitors and staff for the duration of the Contract.

E. Protection of public: Provide fences, barricades, or otherwise block off the immediate work area to prevent unauthorized entry.

1. Fences and barriers shall be self-supporting, structurally adequate and neat in appearance.

2. Install barrier tape where directed by Contracting Officer. Keep a minimum of two rolls on site at all times. Contractor shall use barrier tape imprinted with "CAUTION: CONSTRUCTION AREA".

3. An 8’-0” high construction fence shall be constructed of plywood and lumber which is free of nails, large knotholes and splinters. It shall be erected where the work area is within 10’-0” of a public building entrance.

4. At scaffolding located in public areas, base of scaffolding access points must be covered with continuous (8’-0”) high plywood with lockable entrance to prevent unauthorized access to scaffolding, vandalism, theft, and other violations of project security.

5. All plywood shall be painted dark green. Graffiti shall be painted over within 12 hours.

6. Cover pipes, hoses, and power lines crossing sidewalks and walkways with troughs using beveled edge boards.

7. Blocking of walkways and pathways must be kept to a minimum and will only be allowed with previous approval from the Contracting Officer’s Technical Representative. If circulation paths are to be blocked, signage necessary to direct pedestrians around the obstruction safely will be required.

Protect pedestrians from falling overhead debris, with yellow warning tape or guardrails or fences. Keep a minimum of two rolls of warning on site at all times. The National Park Service will not tolerate any deviation from the specifications that detracts from the safety of the park's staff or visitors.

8. Protect all portions of existing buildings that project into staging area that are not part of the Contract from damage.

a. Ladders and scaffolding that are against building surfaces shall be padded to prevent damage to building surfaces.

b. Adequately pad all tie-ins to the building.

c. Nailing into the existing building fabric is not permitted unless approved in writing by the C.O.

d. Any damaged surfaces or materials will be repaired and/or removed and replaced at Contractor’s expense and to the satisfaction of the Contracting Officer.

9. Take special precautions to protect the fabric of the building from damage that could occur during installation or removal operations.

10. Scaffolding must span over all building entrances with safety platforms to permit staff and public safe entrances and egress from the building.

1.8 FIELD VERFICATION: Field verify all new and existing dimensions affecting the work of this contract before ordering products.

1.9 QUALITY CONTROL

A. The Contractor's designated Quality Control Supervisor shall be employed full time at the project site whenever contract work is in progress.

B. Methods of monitoring and controlling environmental pollution and contamination as required by regulations and laws.

1.19 PARKING:

A. It is important that the historic scene in the park be preserved for the enjoyment of our visitors.

For that reason, there is no parking is allowed on any Park property except to load and unload your vehicle. The Contracting Officer’s Representative will provide you with a parking permit for this. Failure to remove your vehicle after unloading could result in your vehicle being ticketed or towed.

B. Parking is available off-site at contractor’s expense. There are several parking garages in the area, along with 2-hour metered and unmetered parking.

C. Contractors can apply for a permit to park their vehicles on city streets. Length of the permit is 6 months. To receive an application, contact the city at (215) 683-9745. It takes approximately 45 days from receipt of a completed application to issuance of the permit.

1.20 SPECIAL CONSTRUCTION REQUIREMENTS:

A. HISTORIC NATURE OF THE WORK SITE: Building and grounds are of historic significance. The Contractor is advised that the work to be performed shall meet the highest standards of preservation and building craftsmanship. Work shall conform to the Secretary of the Interior’s Standards and Guidelines for Historic Preservation Projects, as introduced including the recent amendment of the National Historic Preservation Act (1992).

1.21 PROJECT CLOSEOUT:

A. Cleaning: Before scheduling the final inspection, remove all tools, equipment, surplus materials, and rubbish. Restore or refinish surfaces that are damaged due to work of this contract to original condition. Remove grease, dirt, stains, foreign materials, and labels from finished surfaces. Thoroughly clean building interiors. Pick up all construction debris from the site. At time of final inspection, project shall be thoroughly clean and ready for use.

B. Substantial Completion and Final Inspection: Submit written certification that project, or designated portion of project, is substantially complete, and request in writing a final inspection. Contracting Officer will make an inspection within 10 days of receipt of request.

1. When work is determined to be substantially complete, Contracting Officer will prepare a list of deficiencies to be corrected before final acceptance and issue a Letter of Substantial Completion.

2. If work is not determined to be substantially complete, Contracting Officer will notify Contractor in writing. After completing work, Contractor shall resubmit certification and request a new final inspection.

C. Acceptance of the work: After all deficiencies have been corrected, a Letter of Acceptance will be issued.

PART 2: PRODUCTS - NOT USED

PART 3 EXECUTION – NOT USED

END OF SECTION

SECTION 01170

ACCIDENT PREVENTION

PART 1: GENERAL

1.1 DESCRIPTION: The work of this section consists of establishing an effective accident prevention program and providing a safe environment for all personnel and visitors.

1.2 SUBMITTALS:

A. Upon request, submit proof of employees' qualifications to perform assigned duties in a safe manner.

B. Submit Materials Safety Data Sheets (MSDS) for all hazardous chemicals and materials. Submit with required product information.

C. Submit Hazardous Communications Training Records for all workers exposed to hazardous materials.

1.3 QUALITY ASSURANCE:

A. Clauses entitled "Accident Prevention" and "Permits and Responsibilities" of the General Provisions. In case of conflicts between Federal, state, and local safety and health requirements, the most stringent shall apply. Equipment or tools not meeting OSHA requirements will not be allowed on the project sites. Failure to comply with the requirements of this section and related sections may result in suspension of work.

B. Qualifications of Employees:

1. Ensure that employees are physically qualified to perform their assigned duties in a safe manner.

2. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

3. Operators of vehicles, mobile equipment, hoisting equipment, and hazardous plant equipment shall be able to understand signs, signals, and operating instructions, and be capable of operating such equipment. Provide operating instructions for all equipment. Newly hired operators shall be individually tested by an experienced operator or supervisor to determine if they are capable of safely operating equipment.

1.4 ACCIDENT REPORTING:

A. Reportable Accidents: A reportable accident is defined as death, occupational disease, traumatic injury to employees or the public, property damage by accident in excess of $100, and fires. Within 7 days of a reportable accident, fill out and forward to the Contracting Officer a DI-134 form, which may be obtained from Contracting Officer.

B. All Other Accidents: The Contractor shall report all other accidents to the

Contracting Officer as soon as possible and assist the Contracting Officer and other officials as required in the investigation of the accident.

PART 2: PRODUCTS

2.1 FIRST AID FACILITIES: Provide adequate facilities for the number of employees and the type of construction at the site.

2.2 PERSONNEL PROTECTIVE EQUIPMENT: Meet requirements of NIOSH and MSHA, where applicable, as well as ANSI.

2.3 BARRIERS: Reference Section 01010.

PART 3: EXECUTION

3.1 EMERGENCY INSTRUCTIONS: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and Park Dispatch in conspicuous locations at the work site.

3.2 PROTECTIVE EQUIPMENT:

A. Inspect personal protective equipment daily and maintain in a serviceable condition.

Clean, sanitize, and repair, as appropriate, personal items before issuing them to another individual.

B. Inspect and maintain other protective equipment and devices before use and on a periodic basis to ensure safe operation.

C. Employees working on scaffolding or on other high equipment must be protected by fall protection measures approved by OSHA.

3.3 SAFETY MEETINGS: As a minimum, conduct "toolbox" safety meetings weekly concerning major segments of work to be done. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite.

3.4 HARD HATS AND PROTECTIVE EQUIPMENT AREAS:

A. A hard hat area will be designated by the Contracting Officer. The hard hat area shall be posted by the Contractor in a manner satisfactory to the Contracting Officer.

B. It is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats and other necessary protective equipment at all times.

3.5 HAZARDOUS MATERIAL: Train and instruct each employee exposed to hazardous material in safe and approved methods of handling and storage. Hazardous materials are defined as explosive, flammable, poisonous, corrosive, oxidizing, irritating, or otherwise harmful substances that could cause death or injury. Material Safety Data Sheets (MSDS) shall be kept on site for all hazardous chemicals and materials. Employees shall be familiar with all hazardous materials and their location and the location of the

MSDS.

PART 4

4.1 ACCIDENT PREVENTION: Payment will be included in the bid item to which this work relates.

SECTION 01300

JOB SITE ADMINISTRATION

1.1 SITE CONDITIONS:

A. Working Hours:

1. Project Site will be available for completion of work between 7:30 a.m. and 5:00 p.m., Monday to Friday, or between the hours approved in advance by the Contracting Officer.

2. No work shall be performed beyond the hours or days specified or on Federal holidays without prior written approval by the Contracting Officer.

3. No construction work on a new phase of the project will be started after noon on Thursday and before noon on Monday without prior written consent of the CO.

4. No construction work performed by a contractor or sub-contractor, who is new to the project, will be started after noon on Thursday and before noon on Monday without prior written consent of the CO.

B. Public Access: 408 Locust Street is located within Independence National Historical Park boundaries, and is used as park housing. It is closed to the public but is currently occupied.

C. The park does not provide parking. Contractors shall endeavor to limit the number of vehicles on site and shall arrange for parking through the appropriate city agency.

1-2 JOB CONDITIONS:

A. Preservation of existing work:

1. Contractor shall preserve, protect and prevent damage to existing structures, exhibits, utilities and landscaping features. Where damage occurs, Contractor shall repair or replace damaged features to their original conditions at commencement of work to the satisfaction of Contracting Officer and without cost to the Government.

2. Special attention will be given to historic and non-historic fabric of Project and Project Site. Contractor shall request and obtain approval from the COR before removing or cutting historic and non-historic fabric (including landscape features) not specifically described in the Contract Documents.

3. Site work shall be monitored by an NPS (park) archaeologist. Work may be suspended if archaeologically significant artifacts or features are exposed.

Although this is not expected, since previous testing has occurred, there is still a possibility of site work interruption.

B. Disposal of Artifacts: Any and all artifacts and items with historic significance that are uncovered or removed as part of Contractor's site or building work shall remain property of the Government. Determination shall be made by Contracting Officer regarding disposition of these objects.

C. Permits: Contractor is responsible for obtaining all permits required by authorities having jurisdiction.

D. Work Areas: Contractor shall confine all operations to as small a space as required to complete Work. Contractor shall select spaces required and proposed them for review by Contracting Officer. Contractor shall not change approved work areas without prior review by Contracting Officer.

E. Job superintendent: A full-time superintendent and foreman acceptable to the Contracting Officer's representative shall be assigned to this project during the total period of construction. Contractor shall provide at all times at the job site an English speaking person in a position of authority.

F. Storage Areas: Storage shall be confined to areas proposed by Contractor and approved by Contracting Officer. Storage areas shall be left clean after completion of work and all areas restored to their conditions at commencement of work to approval of Contracting Officer.

G. Housekeeping and Rubbish Disposal:

1. Contractor shall maintain Project in neat, orderly and safe condition at all times.

2. Contractor shall provide containers for collection and disposal of waste and trash resulting from work.

3. Location: Location of container(s) larger than one cubic yard shall be proposed by Contractor for review by COR. Contractor shall propose location(s) for container(s) to CO. Nothing shall be delivered to site until their location(s) is approved by CO.

4. No National Park Service containers shall be used for collection or disposal of waste and trash resulting from Work.

5. Contractor shall dispose of waste and trash legally at public or private dump areas beyond park boundary.

6. All deliveries to and collections from the Park of materials, equipment, surplus or waste must be agreed upon in advance with CO.

7. No burning will be allowed within Park boundary.

H. Safety:

1. Equipment Erection: Barricades shall be safely erected and used to protect residents, workmen, park visitors and building. Equipment operators shall comply with applicable safety codes. Contractor shall comply with Department of Labor, Occupational Safety and Health Administration (OSHA) regulations.

a. All ladders and scaffolding providing access to the work site shall be removed or secured against access during Contractor non-working hours.

b. Staging shall be blocked off during Contractor non-working hours to prevent access to the work site. The park is not responsible for the safety or security of the site, or for materials and equipment stored on site.

2. Accident Reports: Accidents shall be reported immediately to the Contracting Officer.

3. Fire Related Reports: Contractor shall call 911 in the case of a fire related event. Fire related incidents shall be reported immediately to the Contracting Officer as well.

I. Air and Water Pollution Control: Contractor shall:

1. Take all necessary and reasonable measures to reduce air and water pollution by any materials or equipment used in Work.

2. Do not dispose of volatile or unstable waste or oils in storm or sanitary drains nor allow such materials to reach streams, river, bay or sound.

J. Existing Utilities:

1. Contractor shall be responsible for protecting all known utilities. If damage occurs the contractor shall repair the utility with no additional expense to the government.

1-3 SUBMITTALS: In accordance with Section 01330.

A. Permits: As required by authorities having jurisdiction.

SECTION 01310

PROJECT MEETINGS

1.1 DESCRIPTION: Contractor shall attend and participate in two types of project meetings:

A. Pre-construction Conference

B. Project Observation and Review

1.2 FREQUENCIES:

A. Pre-construction Conference: This meeting shall be held once, within 7 calendar days from date of Notice to Proceed and prior to the start of construction, at a time established by the Contracting Officer.

B. Project Observation and Review: These meetings shall be held approximately once a week, and at the request of the Contracting Officer or Contractor.

C. Final Inspection: This meeting shall be held when the work has been substantially completed, and upon request of the Contractor, as indicated in Section 01770, Project Closeout.

D. Section Inspection: These meetings will be held on-site at the Contractor's request to inspect work prior to beginning subsequent procedures that will obscure completed work or is contingent upon approval of completed work.

1.3 LOCATION: Meetings shall be held at the Project Site.

1.4 ATTENDANCE: At least the following persons shall attend each meeting:

A. Pre-construction Conference:

1. Contractor

2. Contractor's authorized representative

3. Contracting Officer

4. Contracting Officer's authorized representative (COR).

B. Project Observation and Review:

1. Contractor

2. Contractor's authorized representative

3. Contracting Officer's authorized representative (COR).

1.5 AGENDA:

A. Pre-construction Conference: Agenda shall include (but shall not be limited to) the following topics:

1. Claim procedures

2. Correspondence procedures

3. Designation of responsible personnel

4. Labor standards provisions

5. Payroll reports

6. Changes

7. Payments to Contractor

8. Subcontractors

9. National Park Service regulations

10. Accident prevention program (including name of responsible supervisor)

11. Accident reporting

12. Documents required under the Contract

13. Park rules and regulations

14. Saturday, Sunday and holiday and night work

15. Safety program

16. Tentative construction schedule

17. Submittal of shop drawings, project data and samples.

SECTION 01320

CONSTRUCTION SCHEDULE

1.1 DESCRIPTION: The Contractor shall execute work according to a Construction Schedule prepared by the Contractor and submitted for review and approval to the Contracting Officer. The purpose of the Schedule is to facilitate ongoing management of project, thorough inspection of work, and assignment of values for progress payments.

1.2 SUBMITTALS: In accordance with Section 01330, the Contractor shall submit the

Construction Schedule within 7 calendar days from date of Notice to Proceed.

1.3 SCHEDULE CHANGES: The progress of work will be monitored according to the approved schedule. The Contractor shall anticipate required changes and submit all changes for review to Contracting Officer.

1.4 FORM OF SCHEDULE: The Construction Schedule shall be a horizontal bar chart.

Provide separate bars for each trade or operation, and identify each bar by Specifications section number.

1.5 CONTENT OF SCHEDULE: The Construction Schedule shall show complete sequence of construction activities including, but not limited to, the following information:

A. Submittal dates, and date that approval of submittal is needed.

B. Project mobilization activities.

C. Material and equipment procurement and delivery dates.

D. Dates for beginning and ending specific construction activities.

E. Percentage of completion for each aspect of the Work at the first day of each month during Contract time.

SECTION 01330

SUBMITTALS

1.1 DESCRIPTION: The work of this section consists of the submittal requirements per specification division before and during construction. Specific items requiring review and approval by the Contracting Officer are described in their related sections of the Specifications.

A. Section 06100 – Rough Carpentry

B. Section 07312 – Cedar Shake Roof

C. Section 07631-Sheet Metal

D. Section 07900 – Sealants

E. Section 09901 – Painting

1.2 SUBMITTAL PROCEDURE:

A. Contractor shall submit at least 2 copies or two specimens of each required submittal to CO, unless otherwise instructed. When reviewed, one copy or specimen will be returned to Contractor with review comments. If Contractor wishes more than one copy of specimen returned, an appropriate number of additional copies or specimens should be submitted. Contracting Officer reserves the right to request additional submittals, both in number and in type.

B. Each submittal shall be accompanied by "Transmittal for Approval."

1. Forms will be provided to Contractor by Contracting Officer.

2. Contractor shall complete forms prior to transmittal.

3. Submittals that are not accompanied by transmittal form will be returned to the Contractor without review.

1.3 DOCUMENT REVIEW:

A. Review of submittals by CO is limited to compliance with Contract Documents and does not relieve Contractor of responsibility for errors or failure to properly coordinate various aspects of Work including submitted material.

B. Contractor shall allow time for review of submittals by CO commensurate with complexity of each submittal. In usual circumstances, review by CO will be completed within seven (7) calendar days between receipt of submittals by CO and return of submittal to Contractor.

C. Materials requiring CO's review shall not be delivered to project site until approved.

Work including materials requiring review which is completed prior to approval shall be completed at Contractor's risk.

1.4 SUBMITTALS:

A. Submit Bid Schedule including all bid items. Break down into component parts each bid item involving a series of operations for which progress payment may be requested. Schedule of values shall be broken down by specification section with additional breakdowns for each work area and/or building. The total cost for the component parts shall equal the contract sum. The Contracting Officer may request data to verify accuracy of dollar values. The first progress payment will not be issued until an acceptable schedule of values is submitted.

1.5 MOCK-UPS:

A. The entity that build mock-up with applied finish for approval, shall be the same entity that accomplishes and/or supervises all the actual work, for consistency, after COTR approvals are given.

B. Refer to attached drawing and specification package for windows and doors for sample submittals and requirements along with other product data sheets for proposed items to be used as individually specified.

SECTION 01500

CONSTRUCTION FACILITIES AND TEMPORARY CONTROLS

1.1 Product handling: Maintain temporary facilities and controls in proper and safe condition throughout duration of the Contract.

1.2 Contractor shall perform work of this contract in a manner that does not close off public access through the site. Contractor shall coordinate with the National Park Service daily to ensure that pedestrian traffic can be safely routed through or around the construction site.

PART 2: MATERIALS [Not Used]

3.1 Temporary Facilities:

A. Electricity:

1. Provide connections to existing facilities. Contracting Officer shall review and approve all temporary power connections prior to any power hookups.

2. Provide connections to existing electrical facilities. The Contractor will reimburse the Government for all electricity used in the amount of .05 of the total contract amount. Payment will be sent to the Contracting Officer as part of final project close-out. Payment will be made to Independence National Historical Park.

3. Temporary Electrical: Temporary electrical work shall meet requirements of NFPA 70-1996 (NEC), Article 305.

4. When temporary connections are removed, restore existing utility services to their original condition.

B. Water

1. Make connections to existing Park facilities for potable water. Contracting Officer shall review and approve all water connections prior to any water hookups. The Contractor will reimburse the Government for all water used in the amount of .025 of the total contract amount. Payment will be made to Independence National Historical Park.

2. Furnish cool, potable water for construction personnel in locations convenient to work stations.

C. Telephone: No telephone service is available on site for Contractor's use.

D. Toilet facilities

1. Public toilets are located at 5TH and Chestnut Streets.

2. No portable toilets shall be permitted at 319-325 Walnut Street rear courtyard/construction site or on adjacent Park property.

3.2 CONTROLS:

A. Water Protection: The Contractor shall provide a waterproof and weatherproof protective cover over all work areas after existing roofing material has been removed and before new roofing is installed, to prevent interior damage to the buildings.

B. Fire Prevention and Protection

1. Responsible Person: A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include locating and maintaining fire protective equipment and establishing and maintaining safe torch cutting and welding procedures.

2. Hazard Control: Take all necessary precautions to prevent fire during construction. Do not store flammable or combustible liquids in historic structures. Provide adequate ventilation during use of volatile or noxious substances.

3. Smoking is prohibited within buildings, on the roofs of the building, temporary storage sheds or work areas. Work areas include the roofs, scaffolding, lay down areas, and any other areas within construction fence at the Todd House, 339 Walnut Street, and adjacent Park properties.

4. Welding: Cutting by torch or welding shall not be permitted on the site.

5. Protection Equipment Required

a. Protection Equipment Required: Furnish a minimum of one extinguisher for each 1,500 square feet of area or major fraction there of and meets the requirement that a travel distance from any workstation to the nearest extinguisher shall not exceed 75 feet.

1) Fire extinguisher shall be of type & size appropriate for the work but no less than 10lb.

6. Take all necessary precautions to prevent fire during construction.

7. No smoking is permitted within the structure or upon the roof of the structure.

8. Provide and maintain the following equipment within 50 feet of every work station:

a. Furnish a minimum of one UL Class 2A, 2 1/2 gallon water type, stored pressure extinguisher.

b. Furnish a minimum of one UL Class 10, Type I, 15 pound B:C carbon dioxide extinguisher.

C. Barricades, Danger, and Warning Signs:

1. Provide, erect, and maintain necessary barricades, suitable and sufficient warning lights, signals, or signs for the protection of the work and safety of the public.

2. All barricades and signs shall conform to the standard designs generally accepted for such items.

D. Storage:

1. Outdoor storage area is extremely limited. It will be designated by the COTR near the work site; to be kept in a neat and orderly manner throughout the duration of the project.

E. Contractor's Sign:

1. None permitted.

3.4 DISPOSAL:

A. Trash Disposal: Trash and debris will be picked up by the Contractor from the work area on a daily as is at the end of the work day.

B.…