Draft_Specifications_1.pdf

Independence National Historical Park

Philadelphia, PA

Cyclic Replacement of Liberty Bell Center Roof

PMIS 320561

Drawing No: INDE 391-179591

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

Construction Documents

01/31/2025

Independence National Historical Park 320561

TABLE OF CONTENTS � 00 01 10 - 1 January 31, 2025

Table of Contents Independence National Historical Park

Project Title: Cyclic Replacement of Liberty Bell Center Roof

INTRODUCTORY INFORMATION

00 01 00 Cover

00 01 10 Table of Contents 2

DIVISION 1 � GENERAL REQUIREMENTS

01 02 60 Unit Prices 2

01 11 00 Summary of Work 6

01 26 01 Contract Modification Procedures 6

01 27 00 Definition of Work Items & Proposal Alternates 1

01 31 00 Project Management and Coordination 9

01 32 16 Construction Schedule 9

01 32 33 Photographic Documentation 2

01 33 23 Submittal Procedures 8

01 35 23 Safety Requirements 4

01 40 00 Quality Requirements 8

01 42 00 Reference Standards 13

01 50 00 Temporary Facilities and Controls 6

01 57 19.11 Indoor Air Quality (IAQ) Management 5

01 57 19.12 Noise and Acoustics Management 2

01 67 00 Product Requirements 9

01 73 29 Cutting and Patching 3

01 73 40 Execution 6

01 74 00 Warranties and Bonds 4

01 74 19 Construction Waste Management and Disposal 8

01 77 00 Closeout Procedures 5

01 78 23 Operation and Maintenance (O&M) Data 9

01 81 13 Sustainable Design Requirements for Non-LEED� Projects 4

DIVISION 2 � EXISTING CONDITIONS

02 41 19 Selective Demolition 7

DIVISION 6 � WOOD AND PLASTICS

06 10 00 Rough Carpentry 5

TABLE OF CONTENTS � 00 01 10 - 2 January 31, 2025

DIVISION 7 � THERMAL AND MOISTURE PROTECTION

07 22 00 Insulation & Vapor Retarder 6

07 54 19 Polyvinyl Chloride - PVC Roofing 12

07 55 23 Adhered Fleeceback EPDM Roofing Membrane 7

07 62 00 Sheet Metal Flashing and Trim 9

07 72 60 Fall Arrest Anchorage Connector Devices 9

07 92 01 Sealants and Caulking 5

DIVISION 9 � FINISHES

09 22 16 Non-Structural Metal Framing 6

09 29 00 Gypsum Board Assemblies 11

09 91 23 Interior Painting 10

DIVISION 26 � ELECTRICAL

26 05 00 Basic Electrical Requirements 16

26 05 05 Electrical Demolition For Remodeling 3

26 05 13 Wire and Cable 4

26 05 26 Grounding and Bonding 6

26 05 33 Conduit and Boxes 13

26 41 00 Lightning Protection Systems 5

26 43 00 Surge Protection Devices 4

SUPPORTING DOCUMENTS

Submittal List Template (01 33 23) 2

Closeout and Operation & Maintenance (O&M) Requirements Template & Sample 1

Project Waste Management Plan Worksheet Sample (01 74 19) 6

Hot Work Policy 8

UNIT PRICES � 01 02 60 - 1 January 31, 2025

SECTION 01 02 60 � UNIT PRICES

PART 1 - GENERAL

1.1 SUMMARY

A. Related Documents:

1. Work Covered by Contract Documents

2. Work Phases

3. Work Under Other Contracts

4. Government-Furnished Materials

5. Contractor Use of Site

6. Occupancy Requirements for Buildings

7. Conduct of Operations

8. Work Restrictions

9. Special Construction Requirements

10. Soils Investigation Report

11. Warranties and Bonds

B. Related work described elsewhere:

1. Selective Demolition Section 02 41 19

2. Rough Carpentry Section 06 10 00

3. Roof Insulation Section 07 22 00

4. Sheet Metal Flashing and Trim Section 07 62 00

5. Fall Arrest Anchorage Connector Devices Section 07 72 60

6. Sealants and Caulking Section 07 92 01

7. Lightning Protection Section 26 41 00

C. Summary of Work:

1. This section specifies administrative and procedural requirements for unit prices.

2. A unit price is an amount to established by the contract documents and stated herein as a price per unit of measurement for materials or services that will be added to or deducted from the contract sum by contract modification in the event the estimated quantities of work required by the contract documents are increased or decreased.

3. Unit prices include all necessary material overhead, profit, and applicable taxes. No additional markups or compensation will be paid by the government.

4. Refer to individual specification sections for construction activities requiring the establishment of unit prices. Methods of measurement and payment for unit prices are specified in those sections.

5. Quantities will be tracked on a daily basis by the contractor and prior to conducting additional work, the contractor will notify the Contracting Officer�s Representative (COR) the same day when unit price items are incurred. The contractor shall keep a daily log, UNIT PRICES � 01 02 60 - 2 January 31, 2025 photographs, marked up plan, and running total of areas of wood blocking replacement and provide a copy to the COR on a daily basis.

D. Schedule

1. A unit price schedule is included at the bottom of this paragraph specification sections referenced in the schedule contain requirements for materials and methods described under each unit price.

2. Provide for removal and replacement of heavily deteriorated/rotted wood blocking; 16 lineal ft. shall be included in base bid, with per lineal foot Add/Deduct.

E. Costs

1. No contract modifications involving unit prices will be paid unless the COR approves the modification prior to the work being performed.

PART 2 - PRODUCTS (Not Applicable)

PART 3 - EXECUTION (Not Applicable)

END OF SECTION 01 02 60

SUMMARY OF WORK � 01 11 00 - 1 January 31, 2025

SECTION 01 11 00 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes the following:

1. Work Covered by Contract Documents

2. Work Phases

3. Work Under Other Contracts

4. Government-Furnished Materials

5. Contractor Use of Site

6. Public Use of Site

7. Occupancy Requirements for Buildings

8. Conduct of Operations

9. Work Restrictions

10. Special Construction Requirements

11. Soils Investigation Report

12. Additional Reports

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. Project Location: Independence National Historical Park, Liberty Bell Center, 101 S

Independence Mall W, Philadelphia, Pennsylvania

B. The Work consists of:

1. This overall project includes the replacement of the lower roof, modifying and repairing the upper roof, interior ceiling repair, repair of existing lightning protection, drain replacement, addition of fall arrest anchorage connector devices, and assessment of the north roof, serpentine masonry wall, and other miscellaneous items observed on-site.

The intent of this project is to provide protection for the Liberty Bell Center by replacing and repairing portions of the roof that are nearing the end of their material / installation life. Water infiltration over the years due to roof leaks has damaged and stained portions of interior ceilings, specifically at the lower roof area. The ceilings will also be repaired and refinished.

2. Low slope roof replacement: Existing roof assembly composition: Ballasted unreinforced

EPDM roof membrane, ¼-inch per foot tapered polyisocyanurate insulation crickets, ¼-inch per foot tapered polyisocyanurate field insulation and 2.5-inch polyisocyanurate flat insulation down to the concrete deck.

a. Remove and dispose of river washed ballast, EPDM roofing and flashing membranes, tapered polyisocyanurate crickets, tapered polyisocyanurate field insulation and 2.5-inch polyisocyanurate base insulation down to the concrete deck, approximately 1,250 square feet.

b. Remove existing perimeter edge metal.

c. Raise all perimeter wood blocking to match new insulation heights. Perimeter wood blocking shall be provided per Section 06 10 0 - Rough Carpentry.

SUMMARY OF WORK � 01 11 00 - 2 January 31, 2025

d. Prime concrete deck and install new SBS modified bitumen vapor retarder.

e. Installation of 2.6-thick base layer of adhered polyisocyanurate insulation. Roof

Insulation shall be provided per Section 07 22 00 � Insulation and Vapor Retarder.

f. Installation of 2.0-thick base layer of adhered polyisocyanurate insulation. Roof

Insulation shall be provided per Section 07 22 00 � Insulation and Vapor Retarder.

g. Installation of 1/4-inch per foot adhered tapered polyisocyanurate insulation. Roof

Insulation shall be provided per Section 07 22 00 � Insulation and Vapor Retarders.

h. Installation of ½-inch per foot adhered tapered polyisocyanurate insulation crickets between roof drains. Roof Insulation shall be provided per Section 07 22 00 �

Insulation and Vapor Retarder.

i. Installation of 1/2-inch high density polyisocyanurate insulation panel. Roof

Insulation shall be provided per Section 07 22 00 � Insulation and Vapor Retarder.

j. Installation of fully adhered 80 mil PVC / KEE Membrane and Flashings, and new roof drains. Shall be provided per Section 07 54 19 � Polyvinyl Chloride � PVC

Roofing.

k. Sheet metal counter flashing extensions. Shall be provided per Section 07 62 00 �

Sheet Metal Flashing and Trim.

l. New perimeter edge metal. Shall be provided per Section 07 62 00 � Sheet Metal

Flashing and Trim.

m. Lightning protection reinstallation and recertification. Shall be provided per Section

26 41 00 � Lightning Protection Systems.

3. Existing integral gutter roof assembly composition servicing the standing seam copper roof over the Liberty Bell Vault: River washed stone ballast, fully adhered EPDM roof membrane, 3.5-inch nail base insulation, ¼-inch per foot tapered polyisocyanurate insulation, concrete deck.

a. Remove and dispose of river washed ballast.

b. Clean and disable existing fully adhered EPDM membrane per manufacturer�s requirements.

c. Remove existing roof drain basket and clamping ring, save for reuse.

d. Secure the existing EPDM membrane with 2-inch diameter seam plates and wood fasteners, 12-inch on center through the existing membrane at all deck to wall junctions. Attach to the vertical plywood wall substrate.

e. Adhere to the new 115 mil FleeceBack EPDM membrane per manufacturers requirements.

f. Terminate top of new 115 mil FleeceBack EPDM membrane per manufacturers requirements at the rising wall to the standing seam copper roof eave.

g. Terminate top of new 115 mil FleeceBack EPDM membrane per manufacturers requirements at the rising parapet wall just below the copper coping cap.

h. Stainless steel counter flashing extensions. Shall be provided per Section 07 62 00

� Sheet Metal Flashing and Trim.

i. Provide new bolts to reinstall the existing roof drain ring and drain basket.

j. Lightning protection reinstallation and recertification. Shall be provided per Section

26 41 00 � Lightning Protection Systems.

4. Repairs to the standing seam copper roof protecting the Bell Chamber: Provide all flashing and sheet metal not specifically described in other sections of these Specifications but required to prevent penetration of water through roof flashing details and penetrations for roof repairs on the standing seam copper roof and related copper coping protecting

SUMMARY OF WORK � 01 11 00 - 3 January 31, 2025 the Bell Chamber, counter flashing of the new integral gutter EPDM membrane terminations servicing the Bell chamber.

C. Project will be constructed under a single prime contract.

1.3 WORK UNDER OTHER CONTRACTS

A. General: Cooperate with separate Construction Contractors so work on those contracts may be carried out smoothly, without interfering with or delaying work under this Contract. Coordinate

Work of this Contract with work performed under separate contracts.

B. Preceding Work: Government has awarded separate contract(s) for the following construction operations at Project site. Thos operations are scheduled to be substantially complete before work under this Contract begins.

1. Replacement of Exterior Doors at Liberty Bell Center.

C. Concurrent Work: Government will award separate contract(s) for the following construction operations at Project site. Those operations may be conducted simultaneously with work under this Contract.

1. Installation of Photovoltaic Array on Liberty Bell Center.

2. Glazing Maintenance at Repairs at Liberty Bell Complex.

3. Liberty Bell Center Heating, Ventilating & Air Conditioning (HVAC).

1.4 CONTRACTOR USE OF SITE

A. General: Contractor shall have limited use of site for construction operations. Limit use of premises to areas within the contract limits indicated on drawings. Do not disturb portions of

Project site beyond areas in which the Work is indicated.

1. Limits: Confine constructions operations to construction area as indicated in the drawings.

2. Limit site disturbance, including earthwork and clearing of vegetation, to 40 feet beyond building perimeter; 10 feet beyond surface walkways, patios, surface parking, and utilities less than 12 inches in diameter; 15 feet beyond primary roadway curbs and main utility branch trenches; and 25 feet beyond constructed areas with permeable surfaces (such as pervious paving areas, storm water detention facilities, and fields) that require additional staging areas in order to limit compaction in the constructed area.

B. Storage of Materials: Confine storage of materials to laydown area as indicated in the drawings and ensure constant access to adjacent laydown area by other contractors working concurrently in the area.

C. Parking: No parking is available at the site.

SUMMARY OF WORK � 01 11 00 - 4 January 31, 2025

D. Preservation of Natural Features:

1. Prevent damage to natural surroundings. Restore damaged areas, repairing or replacing damaged trees and plants, at no additional expense to the Government. Do not store or stockpile any items within the dripline of the trees which would compact the soil.

2. Provide temporary barriers to protect existing trees and plants and root zones.

3. Do not remove, injure, or destroy trees or other plants without prior approval. Consult with Contracting Officer�s Representative (COR) and remove agreed-on roots and branches that interfere with construction.

4. Do not fasten ropes, cables, or guys to existing trees.

5. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

E. Entrances: Keep entrances serving premises clear and available to Government employees, public, and emergency vehicles at all times. Do not use for parking or storage of materials.

Maintain clear 10�-0� wide access for all exits and interior spaces. Maintain 10�-0� for all sidewalks and walking paths.

1. Schedule deliveries to minimize use of entrances.

2. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

F. Select first or second paragraph below. Second paragraph below is normally used only in large parks or remote project sites.

G. Construction Camp: Establishment of a camp within park will not be permitted.

H. Update hauling restrictions to address road, turn, lane, and height (bridge) restrictions that can impact the Work.

I. Hauling Restrictions: Comply with legal load restrictions in hauling of materials. Load restrictions on park roads are identical to 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. Bridge Restrictions: Identify jurisdictions, load restrictions, permit requirements, time and calendar restrictions as outlined.

1.5 PUBLIC USE OF SITE

A. A minimal portion of the site will be closed to the public during construction.

B. Contractor shall conduct his operations to ensure the least inconvenience to public. Road closures may be permitted, when required, upon specific approval of COR.

SUMMARY OF WORK � 01 11 00 - 5 January 31, 2025

1.6 OCCUPANCY REQUIRMENTS FOR BUILIDINGS

A. Existing Buildings

1. Full Government Occupancy: Government will occupy buildings under construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform Work so as not to interfere with Government's day-to-day operations. Maintain existing exits, unless otherwise indicated.

a. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from COR. Pedestrians and the Park

Attendees are to be protected from construction activities at all times. Proper signage and barricades are to be installed and maintained throughout construction.

b. Maintain existing building in weather tight condition throughout construction period. Repair damage caused by construction operations. Protect building and occupants during construction period.

1.7 CONDUCT OF OPERATIONS

A. Contractor shall conduct his operations in conformance with rules and regulations promulgated by the Secretary of the Interior for the National Park Service, and applicable park rules and regulations prescribed by Park Superintendent.

B. Work on Saturdays, Sundays, Federal holidays or at night may not be performed unless stated in the Work Restrictions below or without prior consent from the COR. Submit requests 3 business/calendar days in advance of the work to the COR for approval.

C. No signs or advertisements (except those specified herein) shall be displayed on the construction site or within the park unless approved by the COR.

1.8 WORK RESTRICTIONS

A. On-Site Work Hours: Work shall be generally performed during normal business working hours of 7 a.m. to 3:30 p.m., Monday through Friday.

1. No loud noise no loud or inappropriate language to Park employees or the public. No loud radios or forms of music will be permitted.

B. EXISTING UTILITIES

1. Existing Utilities: Notify COR and utility companies of proposed locations and times for excavation.

2. Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the Government.

3. If damage occurs to an unknown utility, repair utility. An equitable adjustment will be made in accordance with the Changes clause of the contract.

SUMMARY OF WORK � 01 11 00 - 6 January 31, 2025

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Notify COR not less than five business days in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without COR�s written permission.

3. Hours and length of Utility Shutdowns: Four hours at a time when the building is not open to the public.

D. Retain paragraph below if required for LEED�. Edit paragraph below to include smoking restrictions for Park. Include area on drawings if required.

E. Nonsmoking Building/Tobacco Use/Vaping or smoking of any kind: Smoking is not permitted within building or within 25 feet of entrances, operable windows, or outdoor air intakes.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 01 11 00

CONTRACT MODIFICATION PROCEDURES � 01 26 01 - 1 January 31, 2025

SECTION 01 26 01 � CONTRACT MODIFICATION PROCEDURES

PART 1 - GENERAL

1.1 SUMMARY

A. Section consists of administrative and procedural requirements for contract modifications.

1.2 DEFINITIONS AND ALLOWANCES

A. Home Office Overhead: Costs incurred in support of all of a contractor�s projects and not attributable to a specific job. The cost for home office overhead is only allowed as a percentage of all direct work excluding profit. The following items represent allowable home office overhead costs identified in Part 31 of the Federal Acquisition Regulation (FAR):

1. Rent

2. Utilities

3. Furnishings

4. Office equipment

5. Executive and management staff not exclusively assigned to the project

6. Support, accounting, and administrative staff

7. Preparation of cost proposals, estimating, and schedule analyses connected with

Modifications

8. Estimating and preconstruction services

9. Mortgage costs

10. Real estate and corporate taxes

11. Automobile maintenance and travel costs for home office personnel

12. Home office insurances i.e. structure, automotive, umbrella, flood, etc.

13. Depreciation of equipment and other assets

14. Home office supplies (paper, staples, etc.)

15. Legal services

16. Accounting and data processing

17. Professional fees/registration

B. General Conditions (Field Office Overhead): Management and administrative costs incurred on site for the designated project. Costs associated with preparation of modifications will not be allowed. Costs for these items are to be included only in the general conditions of the modification estimate. Only in the case of a contract time extension are additional general conditions included in modifications. The following items, if applicable, are considered allowable costs for calculating General Conditions:

1. Project Manager (PM), Assistant Project Manager

2. Superintendent, Assistant Superintendent

3. Quality Control, Safety Officer, Environmental Manager, etc.

4. Engineers

5. Travel, lodging, and per diem (as established by Federal Travel Regulations)

6. Scheduling

7. Field Office Trailers and associated temporary utilities

CONTRACT MODIFICATION PROCEDURES � 01 26 01 - 2 January 31, 2025

8. Field office supplies

a. Mailing and couriers

b. Reproduction costs

c. Storage

d. Phones

e. Computers

f. Copiers

9. Personal vehicles i.e. Superintendent Pickup trucks

C. General Requirements: Costs directly associated with the project and are necessary to perform the actual work of the modification. These costs shall be shown as direct costs in the estimate.

The following items, if applicable, are considered allowable costs for calculating General

Requirements:

1. Hoisting

2. Material handling

3. Temporary fencing

4. Port-a-lets

5. Trash removal, dumpsters

6. Barricades

7. Small tools

8. Safety supplies

9. Scaffolding

10. Daily cleaning

11. Traffic control

12. Temporary signage

13. Temporary heating and power

D. Personnel Costs: Costs included in the modification must only be for General Conditions staff and workers actually present and working on project site. Modification costs for salaried workers are only allowed within the structure of a 40-hour week and no overtime or holiday pay will be allowed.

1. Worker Hourly Rates are costs directly associated with the individual worker and consist of the following:

a. Base Rate: The hourly rate paid directly to the worker

b. Labor Burden: Employer payments of all applicable burdens; includes insurance and taxes the business must pay on behalf of the worker to government entities and educational forums, such as:

1) Social Security

2) Medicare

3) Workers Compensation � Policy and company calculation to be made available.

4) Federal Unemployment Tax Act (FUTA) - Cap Rate and percentage to be proportionally allocated over one year.

5) State Unemployment Tax Act (SUTA) - Cap Rate and percentage to be proportionally allocated over one year.

6) Union agreement costs - Other costs required under an enforceable collective bargaining agreement.

CONTRACT MODIFICATION PROCEDURES � 01 26 01 - 3 January 31, 2025

c. Fringe Benefits: Various non-wage compensations provided to employees such as:

1) Health Care Insurance Premiums

2) Cell Phone

3) Clothing

4) 401K and Pensions

5) Vehicle allowances

6) Gas allowance

7) Life insurance premiums

8) Disability insurance

9) Other Fringe Benefits required under an enforceable collective bargaining agreement

E. Bonuses or Deferred Compensation: No Bonus or Deferred Compensation will be allowed within any components of pricing including Home Office Overhead, General Conditions, General

Requirements, Hourly Worker Rates, or the direct costs of work.

F. General Liability Insurance: An insurance policy that protects Contractor from claims resulting from bodily injury or property damage to a third party. Include as a separate line item within all modification proposals and provide a current insurance quote upon request.

G. Performance and Payment Bonds: A performance bond is a surety bond issued by an insurance company or bank to guarantee satisfactory completion of a project. The Payment Bond guarantees the Contractor will pay the labor and material costs incurred. Banks and Insurance companies charge a premium for individual project based on a sliding scale related to the size of the project. Include as a separate line item in modification proposals and provide current company bonding rates upon request.

H. Builder�s Risk Insurance: Covers the contractor�s loss due to fire, high winds, or other natural forces. Not reimbursed by the National Park Service (NPS) and shall not be included in modification proposals.

1.3 MODIFICATION PROPOSAL PRICING REQUIREMENTS

A. General:

1. Proposal be received in the format and within the time frame specified in the Request for Proposal (RFP) letter. Costs or delays resulting from failure of contractor to submit within the time frame specified will not be compensable.

2. Proposal shall be detailed with itemized lists of equipment, materials, labor, production rates, overhead, profit, and bond markup for each item. Labor costs must be itemized by craft and hourly rate, including Fringe Benefits and Labor Burden. If the costs of Fringe Benefits and Labor Burden are not itemized, it is assumed they are included in the hourly rate shown, or contractor is not requesting reimbursement.

Contractor may utilize the government provided Contractor Estimate Form, or their own form, provided that it contains the same information and level of detail as the

Government�s form.

CONTRACT MODIFICATION PROCEDURES � 01 26 01 - 4 January 31, 2025

3. Requests for extensions of contract time as a result of change must be justified with a

Time Impact Analysis (TIA). Refer to Section 01 32 16 "Construction Schedule", for time impact analysis requirements. TIA and associated costs shall be received with the proposal by the date shown within the Request for Proposal letter. Contractor�s failure to submit within the specified time frame will be construed as the Contractor waiving right for additional time and no time extension will be allowed.

4. All supporting documentation used to justify the proposed modification will be made available to the Contracting Officer (CO) upon request.

5. Contractor shall review and approve all subcontractor/supplier pricing in detail for proper format, scope, production rates, and pricing prior to submission to NPS. All delay costs associated with not reviewing and approving subcontractor/supplier pricing will be borne by the Contractor.

6. All pricing and production rates within the estimate must be based on fair and reasonable pricing and cannot include built-in contingency.

B. Labor:

1. Contractor shall estimate cost of labor by itemizing each craft involved, indicating worker hourly rate (base rate + labor burden + fringe benefits) for each and itemizing hours required for each craft directly engaged in modification work. Any work proposed requiring overtime work or premium pay shall be itemized separately. Rates shall be in accordance with the Davis-Bacon Act as incorporated herein. Labor Burden may include payroll taxes, Social Security, unemployment insurances, workers compensation insurance, Federal Insurance Contributions Act (FICA), FUTA, and other direct costs resulting from Federal, State or local laws.

2. Itemize labor costs for equipment operators separate from equipment costs.

3. Labor cost for foremen shall only be costs for related work required for the modification.

C. Materials:

1. Estimated cost for materials shall include quotes from multiple sources. Material prices shall include applicable fees and credits, including but not limited to, sales tax, freight and delivery charges, and tax rebates.

2. No markup shall be applied to any material provided by NPS.

D. Equipment:

1. Equipment used for the project must be appropriately sized for work being performed.

2. Do not include costs for "miscellaneous tools and equipment", in your proposal for a replacement value of $500 or less. Costs shown in excess of $500 shall be broken out separately.

3. Regardless of ownership, rates to be used in determining equipment rental costs shall be the lowest cost from one of the following sources:

a. United States (U.S.) Army Corps of Engineers, Ownership and Operating Expense

Schedule (use latest edition and applicable region)

CONTRACT MODIFICATION PROCEDURES � 01 26 01 - 5 January 31, 2025

b. Construction Blue Book

c. Local equipment rental rates, documented by actual invoice charges, or itemized vendor quotes.

4. Estimated equipment rates shall include operating costs of all fuel, oil, lubrication, supplies, small tools, necessary attachments, ground engaging components, tires and tracks, routine repairs and maintenance (cost of major repair and overhaul is not allowed per Federal Acquisition Regulation (FAR) 31.105(d)(2)), depreciation, storage, insurance, and all incidentals. Mobilization, if applicable, may be included for equipment solely used on the modification work but must be listed separately.

5. Estimate full rate for equipment only for duration that equipment will be utilized to accomplish work of the modification.

6. Standby unit rates used in accordance with paragraph 1.3, D, 2, above. If the U.S. Army

Corp of Engineers is utilized then their standby rates prevail. If Bluebook or local equipment pricing is accepted, then 1/2 of equipment costs minus any operating costs, major repair and overhaul will be accepted.

7. If equipment is in standby mode due solely to a documented NPS delay, established standby rate shall apply from the first day of the delay.

8. Equipment not used and on job site for up to five consecutive days may be classified at standby rates, provided the equipment is or has been used solely to perform work on the modification and will be necessary to complete additional modification work.

Equipment still on the jobsite but not in use after five consecutive days will not be considered in the modification pricing.

9. Requests for compensation for equipment stand by time must be justified, documented and itemized separately.

10. The estimated timeframe (daily, weekly, monthly) for use of the equipment must reflect the lowest cost to the Government.

E. Establishment and Application of Overhead and Profit Percentages:

1. Home Office Overhead and Profit (OH&P) shall be applied to direct costs only. Profit shall not be applied to overhead amounts; and overhead shall not be applied to profit.

Home office overhead shall contain only allowable, allocable, and reasonable costs per the contract documents and FAR Part 31. Profit percentages are based on risk factors found in FAR Part 31which have been applied to the specific type of work included in this project. Negotiated rates shall not exceed the following percentages for OH&P for contractor self-performed work:

Overhead������10%

Profit��������8%

2. Total aggregate limit of markup (OH&P) for Contractor and Subcontractors on modification work shall not exceed 25%. The NPS will not be responsible for allocation of percentages between contractor and subcontractors at any tier.

3. If Contractors form a partnership, partnership may only receive home office overhead and profit in same amount as an individual Contractor (refer to paragraph 1.3,E,1 above). It is the responsibility of the partners to decide on division of revenue.

CONTRACT MODIFICATION PROCEDURES � 01 26 01 - 6 January 31, 2025

4. Combined Increases and Decreases: On proposals involving both increases and decreases in the Contract Price, overhead and profit mark-ups are required on net increases and deducted on net decreases.

5. At no time can profit be calculated on Overhead or itself, it must be calculated on direct costs of work only.

PART 2 - PRODUCTS

PART 3 - EXECUTION

END OF SECTION 01 26 01

DEFINITION OF WORK ITEMS & PROPOSAL ALTERNATES � 01 27 00 - 1 January 31, 2025

SECTION 01 27 00 � DEFINITION OF WORK ITEMS & PROPOSAL ALTERNATES

PART 1 - GENERAL

1.1 SUMMARY

A. Section explains in general, what is and is not included in a work item, and limits or cut-off points where one item ends and another begins.

B. If no work item exists for a portion of work, include costs in a related item.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 LIST OF WORK ITEMS

A. Work Item Number 01: Roof Base Bid

1. This item consists of removal of existing ballasted roof system to concrete deck and installation of new membrane roof, insulation and vapor retarder. Miscellaneous accessories including roof drains, termination bars, counter flashing, and curb / fascia modifications are incorporated. The lightning protection system will be salvaged and reinstalled. The existing gypsum board ceiling at the interiors of the building damaged due to roof leaking at the Lower Roof Area will be repaired. Damaged gypsum board will be removed, temporary access doors will be removed and replaced with new gypsum board. The full ceiling area designated in the drawings will be prepped, primed and repainted to coordinate with the existing ceiling finishes for a seamless appearance. The existing integral gutter ballast and membrane to substrate will be replaced followed by the installation of new EPDM membrane with felt backing and modifications to miscellaneous accessories. The existing hipped roof ridge will be removed and new ridge installed. Repairs will be required to resecure loose copper coping. The lightning protection system will be salvaged and reinstalled. New fall arrest anchorage connector devices and life safety lines will be installed.

2. Measurement for payment will be percentage complete of work item per scheduled value.

3. Payment will be made at the contract lump sum price.

3.2 LIST OF PROPOSAL ALTERNATES

A. No Proposal Alternates.

END OF SECTION 01 27 00

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 1 January 31, 2025

SECTION 01 31 00 - PROJECT MANAGEMENT AND COORDINATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes administrative provisions for coordinating construction operations on Project including, but not limited to, the following:

1. Definitions

2. Construction Coordination

3. Submittals

4. Coordination Drawings

5. Requests for Information (RFIs)

6. NPS/DSC Project Website

7. Project Meetings

8. Environmental Coordination

9. Permits

B. Related Requirements:

1. Section 01 32 16 "Construction Schedule" for preparing and submitting Contractor�s construction schedule.

2. Section 01 73 40 "Execution" for procedures for coordinating general installation and field-engineering services, including establishment of benchmarks and control points.

3. Section 01 77 00 "Closeout Procedures" for coordinating closeout of the Contract.

1.2 DEFINITIONS

A. Agency with Jurisdiction

B. Construction Permits � Contractor Provided

C. Government Furnished Permits

1.3 CONSTRUCTION COORDINATION

A. Coordination: Coordinate construction operations included in different sections of

Specifications to ensure efficient and orderly installation of each part of the Work. Coordinate construction operations, included in different sections, which depend on each other for proper installation, connection, and operation.

1. Schedule construction operations in sequence required to obtain best results where installation of one part of the Work depends on installation of other components, before or after its own installation.

2. Coordinate installation of different components with other Contractors to ensure maximum accessibility for required maintenance, service, and repair.

3. Make provisions to accommodate items scheduled for later installation.

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 2 January 31, 2025

4. Where availability of space is limited, coordinate installation of different components to ensure maximum performance and accessibility for required maintenance, service, and repair of components, including mechanical and electrical.

5. Properly plan construction operations to include permit requirements. Allow enough time to execute permit provisions to maintain work schedule, site visits, inspections, and reporting deadlines.

B. Prepare memoranda for distribution to each party involved, outlining special procedures required for coordination. Include such items as required notices, reports, and list of attendees at meetings.

C. Administrative Procedures: Coordinate scheduling and timing of required administrative procedures with other construction activities and activities of other contractors to avoid conflicts and to ensure orderly progress of the Work. Such administrative activities include, but are not limited to:

1. Preparation of Contractor's Construction Schedule

2. Preparation of the Schedule of Values

3. Installation and removal of temporary facilities and controls

4. Delivery and processing of submittals

5. Progress meetings

6. Permit requirements

7. Pre-installation conferences

8. Project closeout activities

9. Commissioning activities

1.4 SUBMITTALS

A. Coordination Drawings: Prepare Coordination Drawings if limited space availability necessitates maximum utilization of space for efficient installation of different components or if coordination is required for installation of products and materials fabricated by separate entities.

1. Content: Project-specific information, drawn accurately to scale. Do not base

Coordination Drawings on reproductions of Contract Documents or standard printed data. Include following information, as applicable:

a. Indicate functional and spatial relationships of components of architectural, structural, civil, mechanical, and electrical systems.

b. Indicate dimensions shown on Contract Drawings and make specific note of dimensions that appear to be in conflict with submitted equipment and minimum clearance requirements. Provide alternate sketches to Contracting Officer�s

Representative (COR) for resolution of such conflicts.

c. Indicate space requirements for routine maintenance and anticipated replacement of components during the life of the installation.

d. Show location and size of access doors required for access to concealed dampers, valves, and controls.

e. Indicate required installation sequences.

2. Sheet Size: At least 8-1/2 by 11 inches but no larger than 30 by 40 inches.

3. Number of Copies: Submit via email.

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 3 January 31, 2025

4. Refer to individual sections for Coordination Drawing requirements for Work in those sections.

B. Coordination Drawing Organization: Organize coordination drawings as follows:

1. Floor Plans and Reflected Ceiling Plans: Show architectural, structural, mechanical, plumbing, fire-protection, fire-alarm, and electrical elements. Show locations of visible ceiling-mounted devices relative to acoustical ceiling grid. Supplement plan drawings with section drawings where required to adequately represent the Work.

2. Plenum Space: Indicate sub-framing for support of ceiling and wall systems, mechanical and electrical equipment, and related Work. Locate components within ceiling plenum to accommodate layout of light fixtures indicated on Drawings. Indicate areas of conflict between light fixtures and other components.

3. Mechanical Rooms: Provide coordination drawings for mechanical rooms showing plans and elevations of mechanical, plumbing, fire-protection, fire-alarm, and electrical equipment.

4. Structural Penetrations: Indicate penetrations and openings required for all disciplines.

5. Slab Edge and Embedded Items: Indicate slab edge locations and sizes and locations of embedded items for metal fabrications, sleeves, anchor bolts, bearing plates, angles, door floor closers, slab depressions for floor finishes, curbs and housekeeping pads, and similar items.

6. Mechanical and Plumbing Work:

a. Sizes and bottom elevations of ductwork, piping, and conduit runs, including insulation, bracing, flanges, and support systems.

b. Dimensions of major components, such as dampers, valves, diffusers, access doors, cleanouts and electrical distribution equipment.

c. Fire-rated enclosures around ductwork.

7. Electrical Work:

a. Runs of vertical and horizontal conduit 1-1/4 inches in diameter and larger.

b. Light fixture, exit light, emergency battery pack, smoke detector, and other fire-alarm locations.

c. Panel board, switch board, switchgear, transformer, busway, generator, and motor control center locations.

d. Location of pull boxes and junction boxes, dimensioned from column center lines.

8. Fire-Protection System:

a. Locations of standpipes, mains piping, branch lines, pipe drops, and sprinkler heads.

9. Review: COR will review coordination drawings to confirm Work is being coordinated;

details of coordination are Contractor's responsibility. If COR determines coordination drawings are not prepared in scope or detail, or are otherwise deficient, COR will inform

Contractor, who shall make changes and resubmit.

10. Coordination Drawing Prints: Prepare coordination drawing prints according to requirements in Section 01 33 23 "Submittal Procedures."

C. Coordination Digital Data Files: Prepare coordination digital data files according to:

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 4 January 31, 2025

1. File Preparation Format: Same digital data software program, version, and operating system as original Drawings.

2. File Submittal Format: Submit or post coordination drawing files using Portable

Document Format (PDF) file format.

3. COR will furnish Contractor one set of digital data files (AutoCad.dwg) of Drawings for use in preparing coordination digital data files.

a. COR makes no representations as to accuracy or completeness of digital data files as they relate to Drawings.

b. Digital Data Software Program: Drawings are available in AutoCad.dwg.

D. Division 1 documents: The following items shall be submitted a minimum of one week prior to

Preconstruction Conference. Contracting Officer (CO) will notify Contractor of tentative date for

Pre-Construction Conference.

1. Letter designating Project Superintendent

2. Construction Schedule

3. A Comprehensive Schedule of Values

4. Accident Prevention Plan

5. A List of Subcontractors for this project

6. Written statements from Subcontractors certifying compliance with applicable labor standard clauses.

7. Certificates of Insurance or SF1413 for Contactor and all Subcontractors

8. Waste Management Plan

9. Quality Control Plan

10. Temporary Storm Water Pollution Prevention Plan (SWPP or UPPP)

11. Indoor Air Quality (IAQ) Management Plan

12. Contractors Commissioning Plan

13. Historic Preservation Treatment Plan (HPTP)

14. List of Required Construction Permits. Include the following information for each permit:

a. Name of Permit

b. Permitting agency(ies)

c. Information required from Government to complete permit application

E. Provide items listed to CO before Pre-Construction Conference. If all documents have not been received one week prior to scheduled Pre-Construction Conference date, conference may be cancelled, Notice to Proceed may not be issued, and CO will consider other contractual remedies. Work shall not commence until written Notice to Proceed has been issued.

1.5 REQUESTS FOR INFORMATION (RFIs)

A. General: Immediately on discovery of the need for additional information or interpretation of

Contract Documents, Contractor shall prepare and submit an RFI.

1. COR will not respond to RFIs submitted by other entities controlled by Contractor.

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

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 5 January 31, 2025

B. Content of RFI: Include detailed, legible description of item needing information or interpretation and the following:

1. RFI number, numbered sequentially

2. Date

3. RFI subject

4. Specification section number and title and related paragraphs, as appropriate.

5. Drawing number and detail references, as appropriate.

6. Field dimensions and conditions, as appropriate.

7. Contractor's suggested resolution: If Contractor's suggested resolution impacts Contract

Time or Contract Sum, Contractor shall state impact in RFI.

8. Contractor's signature

9. Requested date for response

10. Attachments: Include sketches, descriptions, measurements, photos, Product Data, Shop

Drawings, coordination drawings, and other information necessary to fully describe items needing interpretation.

a. Include dimensions, thicknesses, structural grid references, and details of affected materials, assemblies, and attachments on attached sketches.

C. COR�s Action: COR will review each RFI, determine action required, and respond. COR will determine critical nature of each RFI and issue response accordingly.

1. The following are not considered to be RFIs and will receive no action:

a. Requests for approval of submittals.

b. Requests for approval of substitutions.

c. Requests for approval of Contractor's means and methods.

d. Requests for coordination information already indicated in Contract Documents.

e. Requests for adjustments in Contract Time or Contract Sum.

f. Requests for interpretation of Architect's actions on submittals.

g. Incomplete RFIs or inaccurately prepared RFIs.

2. COR's action may include a request for additional information; time for response will date from time of receipt of additional information.

3. COR's action on RFIs may result in need for a change to Contract Time or Contract Sum.

All contract changes will be processed following terms and conditions of contract.

1.6 PROJECT MEETINGS

A. Preconstruction Conference: Before start of construction, COR will arrange an on-site meeting with Contractor. Meeting agenda will include the following as a minimum:

1. Roles & Responsibilities / Lines of Authority

2. Park rules and regulations

3. Jobsite Safety

4. Resolution of comments on required Division 1 documents

5. Coordination of Subcontractors

6. Labor law application

7. Modifications

8. Payments to Contractor

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 6 January 31, 2025

9. Payroll reports

10. Contract time

11. Liquidated damages

12. Contractor Performance Evaluation

13. Display of Hotline posters

14. Notice to proceed

15. Correspondence procedures

16. NPS/DSC Project website

17. Acceptance/rejection of work

18. Progress meetings

19. Submittal procedures

20. NPS Final Accessibility Inspection

21. Environmental requirements

22. Permit requirements

23. As-constructed drawings/operation and maintenance (O&M) manuals.

24. Saturday, Sunday, holiday and night work.

25. Reference materials

26. Value engineering

27. Schedule of Values

B. Progress Meetings: COR will schedule weekly meetings with Contractor.

1. Attendees: In addition to Government Representatives, each Contractor, Subcontractor, supplier, and other entity concerned with current progress or involved in planning, coordination, or performance of future activities shall be represented. Participants at meeting shall be familiar with Project and authorized to conclude matters relating to the

Work.

2. Agenda: Review and correct or approve minutes of previous progress meeting. Review other items of significance that could affect progress. Meeting agenda will include:

a. Approval of minutes of previous meetings

b. Submittal status

c. Review of off-site fabrication and delivery schedules.

d. Requests for information (RFI) and other issues.

e. Modifications

f. Work in progress and projected.

1) Status of required inspections (Special Inspections, Accessibility, etc.)

g. Inspections of work in progress and projected (Special inspections, Accessibility, etc.)

h. Construction Schedule update (provide updated Critical Path Method (CPM)).

i. Status of Project Record Drawings and O&M manuals.

j. Other business relating to work.

k. Permit requirements

C. Preinstallation Conferences: Conduct at Project site before each construction activity that requires coordination with other construction.

1. Attendees: Installer and representatives of manufacturers and fabricators involved in or affected by installation and its coordination or integration with other materials and

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 7 January 31, 2025 installations that have preceded or will follow, shall attend meeting. Advise COR of scheduled meeting dates.

2. Agenda: Review progress of other construction activities and preparations for particular activity under consideration, including requirements for:

a. Contract Documents

b. Options

c. Related RFIs

d. Related contract modifications

e. Purchases

f. Deliveries

g. Submittals

h. Review of mockups

i. Possible conflicts

j. Compatibility requirements

k. Time schedules

l. Weather limitations

m. Manufacturer's written instructions

n. Warranty requirements

o. Compatibility of materials

p. Acceptability of substrates

q. Temporary facilities and controls

r. Space and access limitations

s. Regulations of Federal, state and local agency(ies)

t. Testing and inspecting requirements

u. Installation procedures

v. Coordination with other work

w. Required performance results

x. Protection of adjacent work

y. Protection of construction and personnel

3. Record significant conference discussions, agreements, and disagreements, including required corrective measures and actions.

4. Reporting: Distribute minutes of meeting to each party present and to other parties requiring information.

5. Do not proceed with installation if conference cannot be successfully concluded. Initiate whatever actions are necessary to resolve impediments to performance of Work and reconvene conference at earliest feasible date.

1.7 ENVIRONMENTAL COORDINATION

A. Contractor�s Environmental Manager: Designate on-site party responsible for overseeing

Contractor�s conformance to environmental goals for project and implementing procedures for environmental protection.

1. Qualifications: Minimum 3 years Construction experience on projects of similar size and scope; with environmental procedures similar to this project; familiar with environmental regulations applicable to construction operations.

PROJECT MANAGEMENT AND COORDINATION � 01 31 00 - 8 January 31, 2025

2. Responsibilities: Responsibilities shall include:

a. Compliance with applicable Federal, State, and local environmental regulations, including maintaining required documentation.

b. Implementation of Waste Management Plan (WMP).

c. Implementation of Indoor Air Quality (IAQ) Management Plan.

d. Implementation of Storm Water Pollution Prevention Plan (SWPPP).

e. Present overview of environmental issues and summarize site specific procedures relating to management plans at Preconstruction conference.

f.