B08_Attachment_1_Specifications_PORE_Resdience_157_Renovation.pdf

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COVER AND TOC

Specifications Solicitation #140P8425R0004

Benevenga Residence 157 Rehabilitation - - Foundation Repair, Roofing, Electrical Systems, Interior Renovation, &

Wood Damaging Insect/Fungi Treatment Package Number: PMIS-284751

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TABLE OF CONTENTS

Point Reyes National Seashore

PMIS 284751

Benevenga Residence 157 Rehabilitation

00 00 00 Cover and 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 and Coordination 01 32 16 Construction Schedule 01 33 23 Submittal Procedures 01 35 13.22 Archeological Protection 01 35 23 Safety Requirements 01 40 00 Quality Requirements 01 42 00 Reference Standards 01 57 19 Noise and Acoustics Management 01 67 00 Product Requirements 01 73 29 Cutting and Patching 01 73 40 Execution 01 74 19 Construction Waste Management and Disposal 01 77 00 Closeout Procedures 01 78 23 Operation and Maintenance Data

DIVISION 019999 to 283100 – OUTLINE SPECIFICATIONS

01 99 99 General Notes and Requirements 02 41 00 Demolition 02 42 00 Cleaning 02 85 00 Mold Remediation 02 99 00 Animal Waste Remediation 06 20 00 Wood Carpentry 06 25 00 Wood Repairs 06 41 00 Wood Cabinets 06 41 10 Countertops and Backsplashes 06 41 20 Sinks 06 41 30 Showers 07 21 00 Building Insulation 07 26 00 Vapor Barrier 07 42 00 Fiber Cement Siding & Trim 07 54 23 TPO Roofing System 08 14 00 Wood Doors

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08 53 00 Windows 08 70 00 Hardware 08 95 00 Pest Exclusion 09 22 16 Non-Structural Wood and Metal Framing 09 29 00 Gypsum Board (Drywall) 09 64 29 Resilient Engineered Hardwood Flooring 10 10 10 Bathroom Appurtenances 11 31 00 Dishwashers 11 41 00 Refrigerators 11 44 00 Food Cooking Equipment 11 50 00 Laundry Cleaning Equipment 22 42 00 Plumbing Fixtures 23 52 00 Water Heating 23 81 00 Heat Pump Air Conditioning and Heating Systems 23 90 00 Whole Home Dehumidifier 23 90 00 Ventilation Fans 26 05 00 Common Work for Electrical 26 51 00 Interior Lighting 26 56 00 Exterior Lighting 28 31 00 Fire Detection and Alarm 33 11 00 Water Utility Distribution Piping 33 30 00 Sanitary Sewerage

DIVISION 02 – EXISTING CONDITIONS

02 23 00 Clearing and Grubbing 02 26 00 Asbestos and Lead Work Plan 02 82 33 Removal and Disposal of Asbestos Containing Materials 02 83 33 Removal and Disposal of Material Containing Lead

DIVISION 06 – WOOD, PLASTICS, AND COMPOSITES

06 05 73 Eradication of Wood Destroying Insects and Wood Damaging Fungi

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

07 31 13 Asphalt Shingle Roof System 07 60 00 Flashing and Sheet Metal 07 62 13 Gutter and Downspouts

DIVISION 26 – ELECTRICAL

26 20 00 Electrical Distribution System

ATTACHMENT A

Benevenga Residence 157 – Photos

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ATTACHMENT B

Benevenga Residence 157 - Drawings and Details Benevenga Residence 157 - Schedules

ATTACHMENT C

Contractor’s Quality Control Form

ATTACHMENT D

Contractor’s Submittal Transmittal Form

ATTACHMENT E

Contractor’s Request for Information Form

ATTACHMENT F

Submittal Tracking Form

ATTACHMENT G

Accident Property Damage Report

ATTACHMENT H

Asbestos Survey Report

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SUMMARY OF WORK

NPS DSC Division 1 Specifications National Park Service (NPS) - Denver Service Center (DSC) | 11-27-23

PMIS-284751

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. Construction 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: The project is located at 8165 Shoreline Hwy, Bolinas, CA 94924 within Point Reyes National Seashore, just south of Olema, CA. Latitude longitude for the site is approximately 38.001438307881784°N, -122.75866096353292°W.

B. Site Description: The project is a single-family home located in the Lupton/Five Brooks Ranch residential area. The home is a former schoolhouse that was moved to the site from another location nearby in the 1930s. Four additions were made to the schoolhouse over time to expand the footprint and convert the schoolhouse into a residence. The residence is within the Olema Valley Dairy Ranches Historic District and is considered a contributing historic structure per the National Register, although very little of the original structure and character remain.

The residence is used for housing park employees. Prior to contract award, the home will be vacated by the current tenant and all personal possessions and home furnishings will be removed from the interior and exterior of the main house.

C. The Work consists of:

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1. The work consists of the following base work items/activities: a.) Roof Replacement, b.)

Electrical System Demolition and Replacement/Rehabilitation, c.) Eradication of Wood Destroying Insects and Wood Damaging Fungi, d.) Foundation & Substructure Installation & Repair, e.) HVAC & Water Heater Replacement, and f.) Asbestos, Lead, Mold, and Animal Waste Abatement/Remediation plus Other Demolition. All dimensions and measurements provided herein are approximate and provided for reference. All dimensions and measurements should be verified by the contractor.

a. CLIN 0001 - Roof Demolition and Replacement: The property consists of multiple buildings. This work includes the tear-off and replacement of the asphalt shingle roof on the Benevenga Main House. The existing roof is asphalt shingle over wood plank. The project will tear off, fully remove, and dispose of the roof covering materials down to the wood plank subroof. Rotten or damaged wood planks, rafters, or subroofing materials shall be replaced in kind with new wood. Existing gutters and downspouts will also be removed and disposed.

Figure 01-1 - Roof Removal and Replacement Plan

The gable roof, gable addition, and front shed addition roofs will be covered with 1/2-inch plywood sheathing, waterproof self-adhering rubberized asphalt membrane underlayment, and self-sealing asphalt fiberglass shingles as further described in the specifications.

The west shed addition over the laundry room and the north shed addition over the main bedroom are shallow slope roof sections. These shed additions will be covered with 1/2-inch plywood sheathing and a Thermoplastic Olefin (TPO) roofing system as further described in the specifications.

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A ridge vent and ridge molding will be installed as applicable/required. Aluminum flashing will be installed at penetrations and along the roof perimeter as needed to prevent water intrusion. The replacement roofing shall be Class A fire rated.

Figure 01-1b - Roof Replacement Type Plan

The asphalt shingle roof area is approximately 1,512 square feet (Sq. Ft.). The TPO roof area is approximately 462 square feet (Sq. Ft.). The total roof area is approximately 1,974 square feet (Sq. Ft.).

New aluminum gutters, aluminum downspouts, downspout extensions, and gutter guards will be installed in the same configuration as the existing drain system.

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Figure 01-2 - Roof Gutter and Downspout Removal and Replacement Plan

The existing gutter and downspout configuration is as shown above. There are approximately 95 linear feet (LF) of gutter with approximately six (6) downspouts.

Downspouts are approximately 7 to 10-feet (FT) in height.

b. CLIN 0002 - Electrical System Demolition and Replacement: this work includes the demolition and replacement of non-compliant electrical systems in the Benevenga Main House and all circuits fed by the distribution. Electrical systems, distribution, and appurtenances inside and outside of the house will be removed, disposed of, and replaced in accordance with applicable codes. Wiring, panels, breakers, outlets and all associated distribution system equipment will be replaced with code compliant equipment. Distribution points will generally remain the same, with the exception of the addition of outlets needed for new electric appliances/equipment and new lighting locations. This includes, but is not limited to:

• Preparing calculations, drawings, and documentation required for the work.

Providing submittals to NPS for review and approval.

• A new meter panel will be installed to replace the existing meter panel at/adjacent the existing location, however the panel shall be installed with access from the exterior of the building, rather than from the interior as it exists currently.

• A new main breaker panel will be installed in the utility room at or near the location of the existing panel.

• Installing new wiring and appurtenances as needed for the new distribution and electrical system.

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• Service and outlets will be provided for an electric clothes washing machine and an electric clothes dryer to be located in the utility room. Refer to the floorplan drawing for the approximate location.

• Service and outlet(s) will be provided for an electric cooking range and a range hood to be located in the kitchen. Refer to the floorplan drawing for tentative location.

• Service and outlet(s) will be provided for an electric dishwasher to be located in the kitchen. Refer to the floorplan drawing for tentative location.

• Service and outlet(s) will be provided for an electric refrigerator to be located in the kitchen. Refer to the floorplan drawing for tentative location.

• Outlets will be reinstalled at all existing locations, with additional outlets as needed to meet the requirements described in the specifications.

• New service and electrical boxes will be provided for lighting locations required by the specifications. This includes lights at existing locations on the interior and exterior of the house, plus new lighting required for the illumination requirements contained in the specifications.

• Service and outlet(s) will be provided for a new electric hot water heater to be located in the utility room. Refer to the floorplan drawing for tentative location.

• Service and outlet(s) will be provided for a new heat pump heating and air conditioning system, including a new heat pump located outside of the home adjacent to the utility room and an air handler to be located in the utility room. Refer to the floorplan drawing for tentative locations.

• Service and outlet(s) will be provided for a new whole home dehumidifier system to be located in the utility room. Refer to the floorplan drawing for tentative location.

• Service and outlet(s) will be provided for a new electric ventilation fan in the bathroom. Refer to the floorplan drawing for tentative location.

• The installation of a new generator transfer switch adjacent to the main service panel on the exterior of the utility room to allow for the power to be manually switched over to a generator. Supply of a generator is not included as part of this contract and would be the responsibility of a future tenant.

• Providing connection to the existing garage subpanel.

c. CLIN 0003 - Eradication of Wood Destroying Insects and Wood Damaging Fungi:

the Benevenga Main House and the adjacent Benevenga Garage (see Figure 01-1) and adjacent soils will be treated for wood destroying insects and wood damaging fungi using methods described in the specifications; including but not limited to fumigation, soil injection, pressure washing, and wood preservative application.

Work includes applicable permits and notifications. This item also includes clearing and grubbing the area within 5-ft of the Benevenga Main House and as needed to perform this work and all work included in this contract. Total house and garage square footage to be tented is approximately 1,810 Sq. Ft. As part of this work, the contractor shall replace in kind all rotten or termite damaged exterior wood siding, skirting, and trim with new wood.

d. CLIN 0004 - Foundation & Substructure Installation & Repair: this work includes the design, installation, repair, and connection of a new concrete foundation, piers, and supports, along with the repair of the floor substructure. This includes but is not limited to:

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• Preparing calculations and documentation required for the work. Providing submittals to NPS for review and approval.

• Jacking/lifting the existing house/structure to allow for the new foundation installation and repair work.

• Pouring a new reinforced concrete footing and piers for the Benevenga Main

House.

• Installing a new post/jack support system under the floor joists and beams on a gravel and concrete footing as needed to support the interior of the subfloor and level the floor throughout the home to the extent practicable.

• Preserving existing utilities underneath and adjacent to the house.

• Removing and preserving wood skirting and siding on the exterior of the home as needed to attach the house to the newly constructed foundation.

• Connecting the existing and new subfloor to the new concrete foundation, including but not limited to adding sill, anchor bolts, joist headers, and sole plate for the existing exterior wall studs, as needed.

• Installing new floor joists under the original schoolhouse section of the home (roughly 24-ft by 30-ft) to supplement the log joists currently supporting the subfloor.

• Replacing or supplementing rotten or termite damaged floor joists, joist headers, and beams supporting joists under the house as needed.

e. CLIN 0005 - HVAC & Water Heater Replacement: this work includes the installation of a new high efficiency tankless electric hot water heater and appurtenances, along with the demolition of the existing gas hot water heater. The work also includes the installation of a new heat pump heating/cooling system utilizing the existing home ductwork and vents, including the heat pump, air handler, and appurtenances. The contractor will also demolish and dispose of the existing gas heating system. Includes preparing system sizing and design documentation required for the work. The contractor will also install a whole home dehumidifier in line with the new heat pump system. Providing submittals to NPS for review and approval.

This includes but is not limited to the following:

• Rheem RETEX High Efficiency Tankless Electric Hot Water Heating System as manufactured by Rheem or approved equal.

• Mitsubishi Electric Single Zone Heat Pump, Intelli-Air SVZ Multi Position Air Handler, and appurtenances manufactured by Mitsubishi Electric or approved equal.

• Santa Fe Ultra70 whole home dehumidifier, or approved equivalent.

f. CLIN 0006 - Asbestos, Lead, Mold, and Animal Waste Abatement/Remediation plus Other Demolition: this work includes abatement and remediation of asbestos containing materials, materials containing lead, mold, and animal waste (remains, excreta, etc.). The work also includes the demolition and disposal of all flooring (carpets, linoleum, etc. down to the subfloor planks), walls (drywall, gypsum, plaster/lath, etc. down to the studs), and ceilings (tiles, gypsum, drywall, etc. to the ceiling joist). Any insulation within walls and above the ceilings will also be demolished and disposed. The contractor will also demolish and dispose all kitchen cabinets, countertops/sinks, painted built-in casework, the bathroom shower, the bathroom vanity/sink, toilet, and painted closet casework/shelving. Mold contaminated materials will be disposed or cleaned/treated as applicable. Animal

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waste will be removed from all work areas and contaminated areas to remain will be cleaned/treated. Asbestos and lead are known or assumed in the following locations:

• Roof shingles and roofing felt (ACM)

• 2’ x 2’ ceiling tiles (ACM)

• Interior wallboard (ACM)

• Interior wallboard joint compound (ACM)

• All interior and exterior painted surfaces (lead assumed)

2. Optional work items consist of the following items/activities: a.) Covering exterior wood siding, skirting, and trim with new fiber cement siding, skirting, and trim, b.) Finish interior spaces with insulation, gypsum board (drywall), trim, baseboard, flooring, and attic access ladder, c.) Bathroom remodel, d.) Kitchen remodel, e.) Lighting and laundry equipment, and f.) Doors and windows. All dimensions and measurements provided herein are approximate and provided for reference. All dimensions and measurements should be verified by the contractor.

a. Optional CLIN 0007 - Exterior Siding and Trim - Covering existing exterior wood siding with new fiber cement siding, skirting, and trim. Wood trim will be demolished and disposed. Preserve all existing wood siding in good or better condition. Dispose all existing wood siding and skirting in poor or worse condition.

Wood siding and skirting in poor or worse condition shall be replaced in kind or may be replaced with exterior grade plywood of an equal thickness to provide sheathing for the fiber cement siding. After demolition and other repair work, the contractor will install vapor barrier, fiber cement v-groove siding, fiber cement skirting, and fiber cement trim on all exterior walls. New siding, skirting, and trim to be Class A fire rated fiber cement in accordance with the specifications. Total exterior wall area is approximately 1,849 sq-ft, with an estimated 336 linear feet of trim.

b. Optional CLIN 0008 - Interior Finishes - Install new gypsum board on all interior walls and ceilings as needed to replace demolished walls. Install insulation within all walls, above all ceilings, and below all floors. Includes approximately 3,090 ft2 of walls, 1,330 ft2 of ceilings, and 1,330 ft2 of floors. Install interior trim, baseboards, and millwork as needed to replaced demolished materials. Includes approximately 816 linear feet of 4” x 1” trim, baseboard, and millwork material. Install a new attic drop down ladder in the living room ceiling. Install approximately 1,288 ft2 of water resistant engineered hardwood flooring to cover all interior floor spaces in the residence.

c. Optional CLIN 0009 - Bathroom Remodel - Remodel the bathroom as shown in the drawings, with new items including:

• Toilet - high efficiency porcelain

• Shower - solid surface shower system including base, walls, trim, & accessories - approximately 36”D x 60”W x 80”H

• New interior wall for shower system installation

• Shower faucet, plumbing, and drainage connections - including fixed showerhead, secondary hose arm, valve, and appurtenances

• Ventilation Fan - wall mounted, vented to the exterior

• Bathroom hardware: including towel bar, paper holder, towel ring, and hooks

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• Lighted vanity mirror - 30” x 36” LED

• Bathroom vanity and countertop - 48” wide with two sinks

• Bathroom vanity and countertop - 60” wide with two sinks

• Bathroom faucets and associated plumbing

d. Optional CLIN 0010 - Kitchen Remodel - Remodel the kitchen as shown in the drawings, with new items including:

• Electric range - 30-inch stainless steel 5-burner free standing electric range

• Vent hood and exhaust to the exterior - stainless steel wall mount

• Dishwasher and related plumbing and drainage - standard size stainless steel, energy star certified

• Farmhouse sink

• Sink faucet - single handle pull-down sprayer type

• Kitchen countertops - quartz, approximately 22 ft2 in two sections

• Kitchen cabinets - seven upper, five base - see schedule and drawings for dimensions and locations

• Pantry cabinets - four thin depth tall cabinets - see schedule and drawings for dimensions and locations

• Refrigerator - stainless steel, energy star certified, counter depth, ice maker, water supply

e. Optional CLIN 0011 - Lighting and Laundry Equipment - This work includes the installation of interior and exterior lighting as shown on the drawings and described in the specifications. This item also includes the installation of a freestanding electric dryer in the laundry room. This includes the following items:

• 46 interior canless round, damp rated, dimmable, recessed lights - install at the locations shown on the drawings or as determined by a lighting analysis

• 2 outdoor porch lights - adjacent to the entry doors as shown on the drawings

• 2 outdoor security flood lights - one as shown in the location on the drawings and one to be installed on the adjacent garage at the location of the existing flood light

• Electric dryer - free standing, white finish, vented to exterior

f. Optional CLIN 0012 - Doors and Windows - This work includes removing and replacing the entry doors at the two locations shown in the drawings. This work also includes the removal and replacement of 14 windows at the locations shown in the drawings. New doors shall be paneled alder wood doors with glass as described in the specifications with compatible frames. Replacement windows shall be Simonton 6100 Collection series vinyl windows in the style and sizes indicated on the drawings and schedule. Work shall include installing associated screens and trim as required.

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

1.3 WORK PHASES

A. The Work shall be conducted in a single phase. The order of work shall be determined by the Contractor and shall be documented in a project schedule.

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1.4 WORK UNDER OTHER CONTRACTS

A. General: As noted above, a separate asbestos abatement contract will be completed prior to the notice to proceed for this contract.

B. Concurrent Work: No other work is currently anticipated during the contract work. However, Government staff may conduct activities on the site to support the contract work. Any work by Government staff will be coordinated with the Contractor to ensure there are no conflicts or safety concerns.

1.5 GOVERNMENT-FURNISHED MATERIALS

A. In case of Government -furnished materials:

1. Government will arrange and pay for delivery of Government-furnished items according to Construction Contractor's Construction Schedule.

2. Construction Contractor is responsible for initial inspection, receiving, unloading, and handling Government-furnished items at Project site.

3. Government will inspect delivered items for damage after delivery. Construction Contractor shall be present for and assist in Government's inspection.

4. Government will arrange for replacement if Government-furnished items are damaged, defective, or missing.

5. Construction Contractor is responsible for protecting Government-furnished items from damage during storage and handling, including damage from exposure to the elements.

6. If Government-furnished items are damaged as a result of Construction Contractor's operations, Construction Contractor shall repair or replace them.

7. Construction Contractor shall install and otherwise incorporate Government-furnished items into Work.

B. Government-Furnished Materials:

1. No Government-Furnished materials are included in this Contract.

1.6 CONSTRUCTION CONTRACTOR USE OF SITE

A. General: Construction Contractor shall have full use of the site for construction operations during the construction period. Construction Contractor's use of the site is limited only by the Government's right to perform work or to retain other Construction Contractors on portions of Project.

B. General: Construction Contractor shall have limited use of site for construction operations. Limit use of premises to existing access paths, parking areas, the residence, and the immediate surrounding areas that have been previously disturbed. Do not disturb portions of Project site beyond areas in which the Work is indicated.

1. Limits: Confine constructions operations to existing access paths, parking areas, the residence, and the immediate surrounding areas that have been previously disturbed.

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2. Limit site disturbance, including earthwork and clearing of vegetation, to 15 feet beyond building perimeter; 10 feet beyond surface walkways, patios, surface parking, and utilities less than 12 inches in diameter; 5 feet beyond primary roadway curbs and main utility branch trenches; and 5 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.

C. Storage of Materials: Confine storage of materials to existing parking areas, concrete pads, and driveways.

D. Parking: Confine parking to existing parking pad areas, and gravel driveways.

E. Stockpiling: Confine stockpiling to materials storage areas if needed.

F. 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.

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

Contracting Officer 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 construction operations near trees to prevent damage.

G. Driveways and Entrances: With the exception of within 100-ft of the residence as needed for staging etc., keep driveways and entrances serving premises clear and available to Government employees, and emergency vehicles at all times. Do not use 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.

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

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 Construction 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.

1.7 PUBLIC USE OF SITE

A. The project site is a private residence, and the general public is not allowed use of the site.

However, the site is not fenced and may be accessed by the public or others. Security of the

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property, materials, and Contractor property is the responsibility of the Contractor until completion of the contract.

B. Construction Contractor shall conduct his operations to ensure the least inconvenience to public.

Road blockages/closures of public streets are not permitted without approval from the operating agency.

1.8 OCCUPANCY REQUIRMENTS FOR BUILIDINGS

A. Existing Buildings

1. Benevenga Main House and all adjacent associated buildings will not be occupied during the contract. Maintain the existing building in weather tight condition throughout construction period. Repair damage caused by construction operations. Protect building during construction period.

B. New Buildings

1. Not applicable.

1.9 CONDUCT OF OPERATIONS

A. Construction 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 Contracting Officer Representative. Submit requests 5 calendar days in advance of the work to the Contracting Officer Representative for approval.

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

1.10 WORK RESTRICTIONS

A. On-Site Work Hours: Work shall be generally performed during normal business working hours of 7:30 a.m. to 5:30 p.m., Monday through Friday, except when otherwise indicated.

1. Weekend Hours: Not allowed.

2. Early Morning Hours: No work allowed before sunrise or 7:30 a.m., whichever is later.

B. Existing Utilities

1. Existing Utilities: Notify Contracting Officer Representative and utility companies of proposed locations and times for excavation.

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

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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:

1. Notify Contracting Officer Representative not less than two business days in advance of proposed utility interruptions.

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

3. Hours and length of Utility Shutdowns: as authorized in advance.

D. Nonsmoking Building/Tobacco Use/Vaping: Smoking is not permitted within building or within 100 feet of entrances, operable windows, or outdoor air intakes. Tobacco use and vaping is restricted to driveway areas 100 feet minimum away from the residence. Garbage or debris associated with these practices shall be removed from the site daily; littering will not be tolerated.

1.11 SPECIAL CONSTRUCTION REQUIREMENTS

A. Project Management and Communication Software: not applicable.

1.12 SOILS INVESTIGATION REPORT

A. Not applicable.

1.13 ADDITIONAL REPORTS

A. Not applicable.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 01 11 00

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CONTRACT MODIFICATION PROCEDURES

National Park Service (NPS) - Denver Service Center (DSC) | 1-27-21

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:

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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

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

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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.

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.

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

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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.

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:

http://www.nps.gov/dscw/publicforms.htm#CP___PAGEID=396735|

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a. United States (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. 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……...……………10%

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.

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.

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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 012601

PORE 284751 01 27 00 - 1

DEFINITION OF CONTRACT LINE ITEMS

National Park Service (NPS) - Denver Service Center (DSC) | 1-27-21

SECTION 01 27 00 – DEFINITION OF CONTRACT LINE ITEMS

PART 1 - GENERAL

1.1 SUMMARY

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

B. If no contract line 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 CONTRACT LINE ITEMS

A. Contract Line Item Number 0001 – Roof Demolition and Replacement

1. This item includes:

• Tearing off and fully removing the asphalt shingle roof system covering on the

Benevenga Residence 157 roof and associated demolition and disposal.

• Removing and disposing of the existing gutters, downspouts, and flashing materials.

• Installing new boots and/or aluminum flashing at vents/penetrations.

• Installing new ½-inch plywood sheathing over the full roof extent.

• Installing new underlayment.

• Installing new ridge vent and ridge molding as applicable/required.

• Install new aluminum roof edging and flashing.

• Installing a new self-sealing asphalt fiberglass shingle roof system - Class A fire rated on the main house gable roof, gable addition, and front shed addition roofs.

• Installing a new TPO roof system on the laundry room shed addition and main bedroom shed addition low slope roofs.

• Installing new aluminum gutters, downspouts, downspout extensions, and gutter guards.

• Replacing rotten or damaged wood planks, rafters, or subroofing materials in kind with new wood.

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2. Measurement for payment will be lump sum when all work described for the CLIN is complete.

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

B. Contract Line Item Number 0002 – Electrical System Demolition and Replacement

1. This item includes the demolition and replacement of non-compliant electrical systems in the Benevenga Main House and all circuits fed by the distribution. Electrical systems, distribution, and appurtenances inside and outside of the house will be removed, disposed of, and replaced in accordance with applicable codes. Wiring, panels, breakers, outlets and all associated distribution system equipment will be replaced with code compliant equipment. Distribution points will generally remain the same, with the exception of the addition of outlets needed for new electric appliances/equipment and new lighting locations. This includes:

• Preparing calculations, drawings, and documentation required for the work.

• Providing submittals to NPS for review and approval.

• Demolishing and disposing of the existing electrical system and components as required to complete the work.

• Installing a new meter panel.

• Installing a new main breaker panel.

• Installing new wiring and appurtenances as needed for the new distribution and electrical system.

• Installing service and outlets for an electric clothes washing machine and an electric clothes dryer.

• Installing service and outlet(s) for an electric cooking range and a range hood.

• Installing service and outlet(s) for an electric dishwasher.

• Installing service and outlet(s) for an electric refrigerator.

• Installing outlets at all existing and new locations required.

• Installing new service and electrical boxes for existing and new lighting locations.

• Installing service and outlet(s) for a new electric hot water heater.

• Installing service and outlet(s) for a new heat pump heating and air conditioning system and appurtenances.

• Installing service and outlet(s) for a new electric ventilation fan.

• Installing a new manual generator transfer switch.

• Providing connection to the existing garage subpanel.

2. Measurement for payment will be lump sum when all work described for the CLIN is complete.

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

C. Contract Line Item Number 0003 – Eradication of Wood Destroying Insects and Wood Damaging Fungi

1. This item consists of treating the Benevenga Main House, the Benevenga Garage, and adjacent soils for wood destroying insects and wood damaging fungi. Including but not limited to fumigation, soil injection, pressure washing, and wood preservative application.

Other methods may be required, as determined necessary to eradicate wood destroying insects and wood damaging fungi. This item also includes clearing and grubbing the area within 5-ft of the Benevenga Main House and as needed to perform this work and all work included in this contract. As part of this work, the contractor shall replace in kind all rotten or termite damaged exterior wood siding, skirting, and trim with new wood.

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2. Measurement for payment will be lump sum when all work described for the CLIN is complete.

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

D. Contract Line Item Number 0004 – Foundation & Substructure Installation & Repair

1. This item includes the design, installation, repair, and connection of a new concrete foundation, piers, and supports, along with the repair of the floor substructure. This includes:

• Preparing calculations, drawings, and documentation required for the work.

• Jacking/lifting the existing house/structure.

• Pouring a new reinforced concrete footing and piers.

• Installing a new post/jack support system under the floor joists and beams on a gravel and concrete footing.

• Preserving existing utilities.

• Removing and preserving wood skirting and siding on the exterior of the home as needed to attach the house to the newly constructed foundation.

• Connecting the existing and new subfloor to the new concrete foundation, including but not limited to adding sill, anchor bolts, joist headers, and sole plate for the existing exterior wall studs, as needed.

• Installing new floor joists under the original schoolhouse section of the home (roughly 24-ft by 30-ft) to supplement or replace the log joists currently supporting the subfloor.

• Replacing or supplementing termite damaged floor joists, joist headers, and beams supporting joists under the house as needed.

2. Measurement for payment will be lump sum when all work described for the CLIN is complete.

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

E. Contract Line Item Number 0005 – HVAC & Water Heater Replacement

1. This item includes:

• Installation of a new high efficiency tankless electric hot water heater and appurtenances.

• Demolition of the existing gas hot water heater and appurtenances.

• Installation of a new heat pump heating/cooling system utilizing the existing home ductwork and vents; including the heat pump, air handler, and appurtenances.

• Demolition of the existing gas heating system.

• Installation of a new whole home dehumidifier and appurtenances.

• Preparing system sizing and design documentation.

2. Measurement for payment will be lump sum when all work described for the CLIN is complete.

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

F. Contract Line Item Number 0006 - Asbestos, Lead, Mold, and Animal Waste Abatement/ Remediation plus Other Demolition

1. This item includes:

• Development of the asbestos and lead work plan.

• Compliance and agency coordination related to abatement and remediation.

• Abatement and remediation of asbestos containing materials.

• Abatement and remediation of materials containing lead.

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• Abatement and remediation of animal waste.

•…