Hampton Specifications.pdf

Repair Wood Elements of the Mansion Cupola Hampton National Historic Site, Towson, MD

HAMP

PMIS NO. 194757

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

INTERIOR REGION 1, NORTH ATLANTIC ‐ APPALACHIAN

February 18, 2020

100% CONSTRUCTION DOCUMENTS SUBMISSION

2/24/2021

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TABLE OF CONTENTS

DOCUMENT 00 01 10 - TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 Summary of Work 01 26 01 Contract Modification Procedures 01 27 00 Definition of Contract Line Items 01 31 00 Project Management & Coordination 01 32 16 Construction Schedule 01 32 33 Photographic Documentation 01 33 23 Submittal Procedures Attachment A: Submittals Log 01 35 23 Safety Requirements 01 40 00 Quality Requirements 01 42 00 Reference Standards 01 43 39 Mockups 01 50 00 Temporary Facilities and Controls 01 57 19.11 Indoor Air Quality Management 01 57 19.12 Noise & Acoustics Management 01 67 00 Product Requirements 01 73 40 Execution 01 73 50 Fire Prevention Precautions for Hot Work 01 74 19 Construction Waste Management and Disposal 01 7419A Appendix A – Project Waste Management Plan Worksheet 01 77 00 Closeout Procedures 01 78 23 Operation and Maintenance Data

DIVISION 02 – EXISTING CONDITIONS

02 41 19 Selective Demolition

DIVISIONS 03 – 05 [Not Used]

DIVISION 06 – WOOD, PLASTICS, AND COMPOSITES

06 01 00 Rough Carpentry 06 40 13 Exterior Architectural Woodwork

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

07 31 26 Slate Shingles 07 31 29 Wood Shingles and Shakes 07 62 00 Sheet Metal Flashing and Trim

DIVISION 08 – OPENINGS

08 52 00 Wood Windows

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TABLE OF CONTENTS

DIVISION 09 – FINISHES

09 25 23 Lime-Based Plaster 09 90 00 Exterior Painting

DIVISIONS 10 – 23 [Not Used]

DIVISION 26 – ELECTRICAL

26 41 13 Lighting Protection for Structures

DIVISIONS 27 – 49 [Not Used]

END OF SECTION 00 01 10

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091015 SUMMARY OF WORK

SECTION 01 11 00 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Work covered by the Contract Documents.

2. Work under other contracts.

3. Contractor use of premises.

4. Public use of site.

5. Occupancy requirements for buildings.

6. Work Restrictions.

7. Special Construction Requirements.

8. Additional Reports.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. Project Location: Hampton Mansion; 535 Hampton Lane, Towson, MD 21286

B. The Work consists of the following:

1. The Work includes the restoration of the cupola, including but not limited to: removal and replacement of slate roof at the perimeter of the cupola, restoration of the rusticated wood base, restoration of the entablature and embedded columns, restoration of the wood windows, replacement of the cedar roof, replacement of the metal roofs (flat-seam and standing seam) and restoration of the upper and lower finials.

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

1.3 CONTRACTOR USE OF SITE

A. General: Contractor shall have limited use of the site for construction operations. Limit use of premises to work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

1. Limits: Confine constructions operations to the Site Utilization drawing. Operations include but are not limited to truck traffic on certain roads and the geothermal well field, contractor parking, contractor office trailer and storage trailer.

2. Roads shall remain clear at all times for fire truck and emergency vehicle access.

B. Storage of Materials: Confine storage of materials to areas indicated for Site Storage, Lay Down Area, on the drawing for Site Utilization.

C. 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.

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

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3. Do not remove, injure, or destroy trees or other plants without prior approval. Consult with Contracting Officer 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.

D. Driveways and Entrances: Keep driveways, parking areas, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

1. Schedule deliveries to minimize use of driveways and entrances.

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

3. National Park Service personnel will not accept deliveries.

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

F. 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.

1.4 PUBLIC USE OF SITE

A. Contractor shall at all times conduct his operations to ensure the least inconvenience to the public.

B. Road closures are generally not be permitted.

1.5 OCCUPANCY REQUIRMENTS FOR BUILIDINGS

A. Existing Buildings

1. Full Government Occupancy: Government will occupy buildings that will be under construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the 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 the CO.

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

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1.6 CONDUCT OF OPERATIONS

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

B. Work on Saturdays, Sundays, Federal holidays or at night may not be performed without prior consent from the Contracting Officer. Submit requests 48 hours in advance of the work to the Contracting Officer 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 Contracting Officer.

1.7 WORK RESTRICTIONS

A. On-Site Work Hours: Work shall be generally performed during normal business working hours of 8:00 a.m. to 4:30 p.m., Monday through Friday, except when otherwise indicated.

1. Weekend Hours: 8:00 a.m. to 4:30 p.m.

2. Early Morning Hours: Early morning hours are not permitted. No work shall be allowed earlier than 8:00 a.m.

B. Existing Utilities

1. Existing Utilities: Notify Contracting Officer 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.

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 Contracting Officer not less than two days 48 hours) in advance of proposed 4-hour (duration) utility interruptions.

2. Do not proceed with utility interruptions without Contracting Officer’s written permission.

3. Outages of more than 4-hours (duration): Provide temporary utility service during the outage.

D. Nonsmoking Building: Smoking is not permitted within the building or within 25 feet of entrances, operable windows, or outdoor air intakes.

E. Park Events or Closures: CO will issue schedule of park events occurring during the construction period. Event Schedule will be issued prior to the Time of Award.

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1.8 ADDITIONAL REPORTS

A. A report entitled Historic Structure Condition Assessment dated 15 December 2017 (Revised 29 January 2018) and the Additional Investigation Letter dated 15 February 2019 has been prepared by Simpson Gumpertz & Heger, Inc.

B. A copy of the report is available to all plan holders with this package.

C. If conflicts occur between the report and drawings or specifications, the drawings and specifications govern.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 01 11 00

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031414 CONTRACT MODIFICATION PROCEDURES

SECTION 01 26 01 – CONTRACT MODIFICATION PROCEDURES

PART 1 - GENERAL

1.1 SUMMARY

A. The work of this section consists of administrative and procedural requirements for contract modifications.

1.2 DEFINITIONS AND ALLOWANCES

A. Home Office Overhead: Those 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 the preparation of modifications will not be allowed. The 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, 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)

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6. Scheduling

7. Field office supplies

a. Mailing and couriers

b. Reproduction costs

c. Storage

d. Phones

e. Computers

f. Copiers

8. Personal vehicles i.e. Superintendent Pickup trucks

C. General Requirements: These are 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

D. Personnel Costs: Costs included in the modification must only be for General Conditions staff and workers actually present and working on the 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: This is the hourly rate paid directly to the worker

b. Labor Burden: Employer payments of all applicable burdens, this includes insurance and taxes that 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) FUTA– Cap Rate and percentage to be proportionally allocated over one year.

5) 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.

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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 the contractor from claims resulting from bodily injury or property damage to a third party. Include this 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 that the contractor will pay the labor and material costs they have incurred. Banks and Insurance companies charge a premium for each individual project based on a sliding scale which relates to the size of the project. Include this as a separate line item in modification proposals and provide current company bonding rates upon request.

H. Builder’s Risk Insurance: This covers the contractor’s loss due to fire, high winds, or other natural forces. This is 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. Your proposal must be received in the format and within the time frame specified in the Request for Proposal letter. Costs or delays resulting from failure of contractor to submit within the time frame specified will not be compensable.

2. The proposal must 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 that that 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 Gov’t provided form.

3. Requests for extensions of contract time as a result of this change must be justified with a Time Impact Analysis (TIA). Refer to Division 01 Specification, “Construction Schedule”, for time impact analysis requirements. TIA and associated costs must be http://en.wikipedia.org/wiki/Employee http://en.wikipedia.org/wiki/Surety_bond http://en.wikipedia.org/wiki/Insurance http://en.wikipedia.org/wiki/Bank http://www.nps.gov/dscw/publicforms.htm#ct

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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 the 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 upon request.

5. Contractor must review and approve all subcontractor/supplier pricing in detail for proper format, scope, production rates, and pricing prior to submission to the 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 the cost of labor by itemizing each craft involved, indicating worker hourly rate (base rate + labor burden + fringe benefits) for each and itemizing the hours required for each craft that will be directly engaged in modification work.

Any work proposed that will require overtime work or premium pay shall be itemized separately. All 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, 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. The labor cost for foremen shall only be costs for related work required for the modification.

C. Materials:

1. The estimated cost for materials shall include quotes from multiple sources. Material prices must include all 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 the NPS.

D. Equipment:

1. Equipment used for the project must be appropriately sized for the 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 must be broken out separately.

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

a. U.S. Army Corps of Engineers , Ownership and Operating Expense Schedule (use latest edition and applicable region)

b. Construction Blue Book

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

4. The estimated equipment rates shall include the operating costs of all fuel, oil, lubrication, supplies, small tools, necessary attachments, ground engaging components, HAMP - 194757 01 26 01 - 5 tires & tracks, routine repairs and maintenance (cost of major repair and overhaul is not allowed per 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 the full rate for equipment only for the duration that the equipment will be utilized to accomplish the work of the modification.

6. Standby unit rates used are to be in accordance with paragraph 1.3, D, 2, above. If the US Army Corp of Engineers is utilized then their standby rates prevail. If Bluebook or local equipment pricing is accepted, then ½ of the 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, the established standby rate shall apply from the first day of the delay.

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

a. Profit percentage will be determined by the CO.

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, than the partnership may only receive home office overhead and profit in the same amount as an individual contractor (refer to par 1.3,E,1 above). It is the responsibility of the partners to decide on the division of revenue.

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

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PART 2 - PRODUCTS

PART 3 - EXECUTION

END OF SECTION 012601

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082714 DEFINITION OF CONTRACT LINE ITEMS

SECTION 01 27 00 – DEFINITION OF CONTRACT LINE ITEMS

PART 1 - GENERAL

1.1 SUMMARY

A. The intent of this section is to explain, in general, what is and what is not included in a Contract Line Item, and the limits or cut-off points where one item ends and another begins.

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

C. Survey and Documentation indicated in the Contract Line Items shall consist of the following:

1. Survey existing conditions of the building material, including its layout and geometry as applicable. Include elements scheduled for removal, prior to commencement of removals.

2. Document results of the survey work on photos, plans and elevations, and submit to the Project Team.

3. Documents shall serve as the basis for shop drawing submittals. Survey shall indicated extent of deterioration of existing building materials.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 LIST OF CONTRACT LINE ITEMS – BASE BID

A. Contract Line Item No. 0001 - General Conditions and General Requirements.

1. This item consists of General Conditions and Division 01 - General Requirements

2. Payment will be made at the contract lump sum price, and includes overhead and profit.

B. Contract Line Item No. 0002 - Demolition. This item consists of the following:

1. Plaster: Remove and repair loose, damaged plaster.

a. Measurement for payment shall be based on 200 sq. ft. of removal, may be modified by Unit Price for additional work.

b. Payment will be made at the contract lump sum price, and includes overhead and profit.

2. Exterior Architectural Woodwork, Rusticated Wood Base: Survey and document existing rusticated wood base, remove and dispose of paint from exterior of cupola, and remove components of the rusticated wood base.

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a. Measurement and payment shall be based on 320 square feet of the rusticated wood base; and work indicated on the Drawings; and may be modified by Unit Price for removal and replacement of the rusticated wood base.

b. Payment will be made at the contract lump sum price, and includes overhead and profit.

3. Exterior Architectural Woodwork, Entablature and Engaged Columns: Survey and document existing entablature and engaged columns, remove and dispose of paint from exterior of cupola, and remove deteriorated portions of the entablature and engaged columns;.

a. Measurement and payment shall be based on 60 square feet of the entablature and engaged columns; and work indicated on the Drawings; and may be modified by Unit Price for removal and replacement of entablature and engaged columns.

b. Payment will be made at the contract lump sum price, and includes overhead and profit.

4. Exterior Architectural Woodwork, Finials: Survey and document finials (four lower and one upper); remove store and protect lightning protection of top of the cupola, and provide temporary lightning protection at upper finial only; remove, store and protect the finial and finial base; remove and dispose of all paint from exterior of cupola finials; and protect gold leaf on upper finial.

a. Measurement and payment shall be based on work described here and on the Drawings.

b. Payment will be made at the contract lump sum price, and includes overhead and profit.

5. Slate Shingle Roofing:

a. This item consists of:

1) Survey layout and geometry of slate roof prior to removal, including elements scheduled for removal. Remove, store and protect slate at perimeter of the cupola. Remove store and dispose of flashing and asphalt felt underlayment at perimeter of cupola.

2) Survey and document condition of wood roof deck, and of each rafter and purlin below the wood decking, at locations shown on the Drawings.

b. Measurement and payment shall be based on 600 square feet removals of slate, flashing and asphalt underlayment; 600 square feet removal of wood roof deck; work indicated on the Drawings; and as may be modified by the following Unit Prices:

1) Unit Price No. 2: Additional removal of slate, flashing and asphalt underlayment.

2) Unit Price No. 3: Additional removal of wood roof decking.

c. Payment will be made at the contract lump sum price, and includes overhead and profit.

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6. Cedar Shingle Roofing: Survey and document existing cedar shingle roofing; remove and dispose of cedar shingles and roofing underlayment; and remove wood roof decking.

a. Measurement and payment shall be based on 135 square feet of wood deck and underlayment removals; and may be modified by Unit Price additional removal of wood deck and underlayment.

b. Payment will be made at the contract lump sum price, and includes overhead and profit.

7. Sheet Metal Flashing and Trim: Survey and document metal roofing components, including seams and/or joints, scheduled for removal; remove paint on three sample solder joints of flat-seam metal roof and inspect joints; remove scheduled metal roofing components.

a. Measurement and payment shall be based on work described here and on the Drawings.

b. Payment will be made at the contract lump sum price, and includes overhead and profit.

C. Contract Line Item No. 003 – Exterior Architectural Woodwork, Rusticated Wood Base.

1. This item consists of:

a. Repair or replace wood, determined by condition, for 320 square feet of wood base replacement. Restore wood components to original dimensions and profiles. Attach loose components with nails and screws; countersink nail and screw heads. Modify existing and new wood to receive perimeter flashing.

b. Perform spot repairs to exposed wood cladding of cupola above the pediment.

c. Repaint wood with exterior paint system.

2. Measurement and payment shall be based on work described here, in specification Section 06 40 13 “Exterior Architectural Woodwork, on the Drawings; and may be affected by Option 2 or Option 3.

3. Payment will be made at the contract lump sum price, and includes overhead and profit.

D. Contract Line Item No. 004 – Exterior Architectural Woodwork, Entablature and Engaged Columns.

1. This item consists of:

a. Repair or replace wood, determined by condition. Remove and replace heavily damaged or deteriorated wood.

b. Repair wood with isolated defects using materials specified.

c. Modify new and existing wood components to accommodate new sheathing underlayment.

d. Restore new and existing wood components to original dimensions and profiles.

Attach loose components with nails and screws; countersink nail and screw heads.

2. Measurement and payment shall be based on work described here, in specification Section 06 40 13 “Exterior Architectural Woodwork, and on the Drawings.

3. Payment will be made at the contract lump sum price, and includes overhead and profit.

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E. Contract Line Item No. 005 – Exterior Architectural Woodwork, Finials.

1. This item consists of:

a. Perform in situ repair to finials; infill small areas where wood is deteriorated; apply additional gold leaf to the upper final ball.

b. Replace finial bases with durable, naturally rot-resistant wood. For replacement of wood components, Provide acetylated wood (accoya) with mahogany as an alternate for additional work exceeding the Base Bid. Match original of damaged wood.

c. Replace flashings on finials and finial bases. Integrate flashings with metal roof and cedar shingle roof on lower and upper finials, respectively.

2. Measurement and payment shall be based on work described here, in specification Section 06 40 13 “Exterior Architectural Woodwork,” and on the Drawings.

3. Payment will be made at the contract lump sum price, and includes overhead and profit.

F. Contract Line Item No. 0006 – Slate Shingles.

1. This item consists of:

a. Replace wood roof deck removed below slate shingle roof.

b. Perform 600 square feet of wood roof deck replacement included in the Base Bid.

Provide additional replacement of wood roof deck in compliance with Unit Price No. 8.

c. Provide new wood purlins and rafters adjacent to existing wood deck removal, or immediately beyond slate shingle removal. Provide 100 linear feet of reinforcement wood purlins/rafters in Base Bid. Provide additional reinforcement of wood purlins/rafters in compliance with Unit Price No. 9.

d. Sister rafters/purlins as follows:

1) Sistered members shall match existing members in size and shape. For Base Bid, rafter dimensions shall be estimated as 3” x 4” and purlin dimensions shall be 2” x 3.” Verify in field.

2) Sistered members shall run full length from face of wall/support, minus one foot to allow for installation.

3) Fasten along length of members, two fasteners at each rafter, approximately eight fasteners per sistered member.

e. Provide self-adhered membrane flashing and underlayment on wood roof deck and at base of cupola. Extend underlayment up backup wall behind rusticated wood base.

Integrate self-adhered membrane with slate roof felt underlayment. Provide 700 square feet of self-adhered membrane in Base Bid. Additional self-adhered membrane shall be provided in compliance with Unit Price No. 10.

f. Reinstall slate shingles. In Base Bid, provide 120 square feet of replacement slate due to breakage and imperfections. Provide additional (new) slate in compliance with Unit Price No. 11.

g. Provide copper stepped flashing, apron flashing and counterflashing at base of rusticated wood base, as shown on the Drawings.

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2. Measurement for payment will be based on work described here, in specification Section 07 31 29 “Slate Shingles,” on the Drawings and may be affected by Unit Price No. 8, Unit Price No. 9, Unit Price No. 10, and Unit Price No. 11.

3. Payment will be made at the contract lump sum price, and includes overhead and profit.

G. Contract Line Item No. 0007 – Wood Shingles and Shakes.

1. This item consists of:

a. Replace damaged portions of cupola roof deck. Provide 135 square feet of replacement wood roof deck in Base Bid. Provide additional wood roof deck replacement in compliance with Unit Price No. 15.

b. Provide self -adhered membrane flashing and ventilating underlayment on roof deck. Integrate membranes with copper flashing at base of dome.

c. Provide new cedar shingles.

2. Measurement for payment will be based on work described here, in specification Section 07 31 29 “Wood Shingles and Shakes,” on the Drawings, and may be affected by Unit Price No. 15.

3. Payment will be made at the contract lump sum price and includes overhead and profit.

H. Contract Line Item No. 0008 – Sheet Metal Flashing and Trim.

1. This item consists of:

a. Remove metal flashing and underlayment on lower flat-seam roof and on vase of cedar shingle roof.

b. Replace damage wood roof sheathing. Provide 45 square feet of replacement wood roof deck in Base Bid. Provide additional wood roof deck replacement in compliance with Unit Price No. 14.

c. Provide fully soldered flat-seam copper flashing system over continuous self-adhered membrane underlayment and separator sheet.

d. Install fluid-applied waterproofing membrane on metal flashing components.

Provide custom membrane color to match existing as approved by NPS.

2. Measurement for payment will be based on work described here, in specification Section 07 62 00 “Sheet Metal Flashing and Trim,” on the Drawings, and may be affected by Unit Price No. 14.

3. Payment will be made at the contract lump sum price and includes overhead and profit.

I. Contract Line Item No. 009 – Wood Windows.

1. This item consists of:

a. Repair existing windows in place. Replace damaged glazing.

b. Remove paint from accessible wood components and repaint.

c. Remove deteriorated wood, fill cracks, and perform full or partial-depth replacement of missing wood.

d. Replace missing or damaged hardware with matching historically appropriate hardware.

e. Overhead and profit.

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2. Measurement for payment shall be based on work described in Section08 52 00 “Wood Windows,” shown on the Drawings, and may be affected by Option 4.

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

J. Contract Line Item No. 010 – Interior Plaster.

1. This item consists of:

a. Replace lath and plaster at interior locations noted on the Drawings. Replace plaster assembly in kind. Include 200 square feet of plaster replacement in Base Bid. Paint exposed plaster surfaces at interior of cupola.

b. Note: Repairs to hairline cracks are only included in Option No. 1

2. Measurement and payment shall be based on work described in Section 09 25 23 “Lime- Based,” on the Drawings, and may be modified by Unit Price No. 7 for additional interior plaster replacement.

3.2 LIST OF OPTIONS

A. Contract Line Item No. 003, Option 2 - Rusticated Wood Base:

1. This item consists of:

a. Remove, store and protect wood cladding at the rusticated cupola pedestal below the metal cornice roof.

b. Replace deteriorated wood sheathing below wood base. Perform 320 square feet of wood sheathing replacement.

c. Provide sheathing if none is present, to support membrane underlayment and provide a drainage layer under wood cladding of the rusticated wood base.

d. Provide continuous membrane underlayment and drainage layer below wood cladding. Integrate self-adhered membrane with slate roof felt underlayment.

e. Reinstall wood cladding. Modify to fit new sheathing and underlayment. Perform 320 square feet of reinstallation. Provide acetylated wood (accoya) with mahogany as an alternate for additional work exceeding the Base Bid.

f. Repaint the pedestal. Perform spot repairs to the exposed wood cladding of the cupola

2. Measurement for payment will be described in specification Section 06 40 13 “Exterior Architectural Woodwork,” as shown on the Drawings, and may be modified by Unit Price No. 12 and by Unit Price No. 13.

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B. Contract Line Item No. 003, Option 3 - Rusticated Wood Base:

1. This item consists of:

a. Refer to Option 2. Replace 320 square feet wood cladding with durable, naturally rot-resistant wood. Provide acetylated wood (accoya) with mahogany as an alternate for additional work exceeding the Base Bid.

2. Measurement for payment will be for work described in specification Section 06 40 13 “Exterior Architectural Woodwork” and as shown on the Drawings.

3. Payment will be made at the contract lump sum price, and includes overhead and profit.

C. Contract Line Item No. 009, Option 4:

1. This item consists of:

a. Remove, store and protect windows (including frame and sash) to provide off-site restoration. Document Portions of fenestration concealed while in situ, including removal of interior finishes required to access the window frame.

b. Provide plywood and temporary waterproofing in window openings throughout construction. Contractor shall be responsible for maintaining building airtight and watertight throughout construction.

c. Perform off-site restoration of windows including replacement of damaged and loose glazing, removal of pain from exposed wood components, and repainting.

Remove rotted wood, fill cracks with specified products, perform full or partial-depth replacement of missing wood. Replace damaged or missing hardware with matching historically appropriate hardware. Modify window frames required to accommodate perimeter flashing.

d. Provide integrated copper perimeter flashing consisting of sill flashing, jamb flashing and window head drip flashing at all window openings.

e. Reinstall window frames and operable sash.

2. Measurement for payment will be for work described in specification Section 08 52 00 “Wood Windows” and shown on the Drawings.

3. Payment will be made at the contract lump sum price, and includes overhead and profit.

D. Contract Line Item No. 010, Option 1 Interior Plaster.

1. This item consists of patching hairline cracks in interior plaster at perimeter of windows, ceiling of the cupola and other locations shown on the Drawings.

2. Measurement for payment will be for work described in specification Section 09 25 23 “Lime-Based Plaster” and shown on the Drawings.

3. Payment will be made at the contract lump sum price, and includes overhead and profit.

E. Contract Line Item No. 011, Option 5 Lightning Protection:

1. This item consists of analyzing, design and installation of a UL-certified lighting protection system.

2. Measurement for payment will be for work described in specification Section 26 41 13 “Lighting Protection for Structures.”

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END OF SECTION 01 27 00

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091015 PROJECT MANAGEMENT AND COORDINATION

SECTION 01 31 00 - PROJECT MANAGEMENT AND COORDINATION

PART 1 - GENERAL

1.1 SUMMARY

A. This 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. Requests for Information (RFIs).

5. Project meetings.

6. Environmental Coordination.

7. 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.

4. Section 01 91 14 “Total Building Commissioning” for coordinating the work with Owner’s

Commissioning Authority.

1.2 DEFINITIONS

A. Agency with Jurisdiction B. Construction Permits – Contractor Provided

1.3 CONSTRUCTION COORDINATION

A. Coordination: Coordinate construction operations included in different Sections of the 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 the 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 adequate provisions to accommodate items scheduled for later installation.

http://www.nps.gov/dscw/definitionsdc_a.htm#awj http://www.nps.gov/dscw/definitionsdc_c.htm#cpcp

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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 all 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, the following:

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.

1.4 SUBMITTALS

A. Division 01 documents: The following items shall be submitted a minimum of one week prior to the Preconstruction Conference. Contracting Officer will notify Contractor of tentative date for the Pre-Construction Conference.

1. Construction Schedule.

2. A comprehensive breakdown of the Schedule of Values.

3. Accident Prevention Plan.

4. A list of Subcontractors for this project.

5. Written statements from subcontractors certifying compliance with applicable labor standard clauses.

6. Satisfactory evidence of liability insurance coverage and workman’s compensation for the

Contactor and all subcontractors.

7. Waste Management Plan.

8. Quality Control Plan.

9. Indoor Air Quality (IAQ) Management Plan.

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

a. Name of Permit.

b. The Agency(ies) with Jurisdiction issuing the permit.

c. Information required from the Government to complete the permit application.

B. All items listed must be provided to the Contracting Officer before the Pre-Construction Conference is held. If all of these documents have not been received one week prior to the scheduled Pre-Construction Conference date, the conference will be cancelled, Notice to Proceed

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will not be issued, and the Contracting Officer 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 the Contract Documents, Contractor shall prepare and submit an RFI utilizing the form furnished by the CO.

1. CO 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.

B. Content of the RFI: Include a 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 the

Contract Time or the Contract Sum, Contractor shall state impact in the 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. RFI Form: Complete the RFI Form furnished by the CO.

D. Contracting Officer’s Action: CO will review each RFI, determine action required, and respond.

CO will determine the critical nature of each RFI and issue a 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 the Contract Documents.

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

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

g. Incomplete RFIs or inaccurately prepared RFIs.

2. CO's action may include a request for additional information, in which case time for response will date from time of receipt of additional information.

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3. CO's action on RFIs may result in the need for a change to the Contract Time or the Contract Sum. All contract changes will be processed following the terms and conditions of the contract.

1.6 PROJECT MEETINGS

A. Preconstruction Conference: Before start of construction, Contracting Officer will arrange an on-site meeting with Contractor. The 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 01 documents.

5. Coordination of Subcontractors.

6. Labor law application.

7. Modifications.

8. Review of mockups.

9. Payments to Contractor.

10. Payroll reports.

11. Contract time.

12. Contractor Performance Evaluation.

13. Display of Hotline posters.

14. Notice to proceed.

15. Correspondence procedures.

16. NPS/DSC SharePoint 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.

B. Progress Meetings: The Contracting Officer will schedule weekly meetings with the 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 at these meetings. All participants at the meeting shall be familiar with the 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. The meeting agenda will include the following:

a. Approval of minutes of previous meetings.

b. Submittal status.

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

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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,

h. Construction Schedule update (provide updated CPM).

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

j. Other business relating to work.

k. Permit requirements.

l. Review(s) of mockups.

1.7 ENVIRONMENTAL COORDINATION

A. Contractor’s Environmental Manager: Designate an on-site party responsible for overseeing the Contractor’s conformance to environmental goals for the 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 those of this project; familiarity with Environmental Management Systems (EMSs) such as ISO 14001; must be familiar with environmental regulations applicable to construction operations.

2. Responsibilities: Responsibilities shall include:

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

b. Implementation of the Waste Management Plan(WMP).

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

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

e. Training for Contractor personnel in accordance with their position requirements.

f. Monitoring and documentation of environmental procedures.

B. Perform project quality control in accordance with requirements specified in Related Sections, including:

1. Quality Requirements.

2. Regulatory Requirements.

3. Indoor Air Quality (IAQ) Management.

4. Noise & Acoustics Management.

5. Construction Waste Management.

C. Contractor’s Environmental Training Program: Contractor shall provide environmental training for workers performing work on the project site. Training shall include the following:

1. Overview of environmental issues related to the building industry.

2. Overview of environmental issues related to the Project.

3. Review of site specific procedures and management plans:

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a. Construction Waste Management.

b. Indoor Air Quality (IAQ) Management.

c. Noise & Acoustics Management.

4. Pollution Prevention (P2) practices: Submit evidence of P2 training

5. Compliance with environmental regulations: As specified in Regulatory Requirements.

Submit Contractor 40 CFR employee training records upon request of Contracting…