Revised_Scope_7-21-2021_0001.pdf

Klondike Gold Rush National Historical Park Replacement of Roofing, Repair of Entry Porch and Painting of the Kalvick House in Dyea, Alaska.

July 216th, 2021

1.0 General

1.1. Introduction

The Kalvick House, located in Dyea Alaska, is a housing unit owned and operated by Klondike Gold Rush National Historical Park (KLGO). The property was purchased by KLGO in 1992 and is the required housing for the Law Enforcement Ranger stationed in Dyea.

1.2. Objectives

Replace the 3 tab, asphalt roofing with hidden fastener standing seam metal roofing and replace plastic gutters with seamless metal gutter system As well as, repair failing components of entry porch and repaint the exterior of the building.

1.3. Background

Since the purchase of the Kalvick House in 1992 very few, if any improvements to roofing systems have been performed. The current roof coverings have been in place since before the NPS acquired the property and are at the end of their expected life cycle.

1.4. Scope of Work

This project shall remove and dispose of approximately 1965 square feet of existing 3-tab asphalt roofing, all existing flashing, underlayment, in addition to, approximately 108 feet of gutters and facia boards and 70 feet of downspouts. Should any failed or degraded sheathing and or roof superstructure be uncovered during demolition of existing roofing, a thorough inspection of the extent of damage shall be completed with NPS staff prior to replacement of structural roofing components or installation of new underlayment over failed or degraded sections.

Underlayment will be installed with Grace Ice and Water Shield or approved equal and roofing replaced with hidden fastener standing seam metal roofing along with all valley, eve, gable, and chimney flashing necessary. Facia boards shall be replaced with finger jointed cedar boards and gutters replaced with a seamless metal gutter system.

Porch repairs include complete replacement of stair treads, decking and railings with tight knot cedar. Painted to match existing exterior finishes. Structural components of the porch and roof supports shall be replaced as needed. Replacement of these components (posts, stringers, etc.)

estimated at 20%.

Exterior finishes on siding and trim to be scraped, cleaned, and prepped as needed. As part of this process sealants, such as caulk shall be removed and replaced with Sika Flex or approved other. Exterior to be repainted with compatible product, matching existing colors to the nearest extent possible.

Vendor is responsible for supplying any boots necessary for roof penetrations and attic vents if current vents and boots need to be replaced.

The Contractor shall furnish all labor, management, supplies, equipment and material to complete all tasks necessary for performance of the work as set forth in the contract documents, drawings and specifications. The Contractor shall provide the Government all requested reports, and supporting material developed during the performance of the work.

During the installation, the Contractor shall provide adequate professional supervision and quality control to assure the accuracy, quality, completeness, and progress of work. Contractor shall also ensure protection during work, and restoration (if damaged), of building components or any other NPS owned property, including grounds, septic system standpipes, walkways, etc.

1.5. Description of Tasks and Product Requirements

a. Roof Replacement (Contract Line Item #1, See Section 2.1.1):

i. Ensure OSHA safety regulation preparations are in place before any work commences

ii. Remove and dispose of gutter

iii. Demolish/Remove and dispose of existing asphalt roofing and weather barrier/roof wrap drip edge flashing and valley flashing

iv. Remove and dispose existing fascia boards. Replace with finger-jointed, primed and painted cedar.

v. Repair roof sheathing as needed with CDX plywood

vi. Install new drip-edge flashing, 24 gauge, vertical profile to match gable end flashing: 3" vertical with hemmed drip edge.

vii. Full wrap deck with Grace ice and water shield (or equivalent impermeable membrane)

viii. Install valley flashing, 24 gauge (“W” flashing)

ix. Install roofing pans.

1. Concealed fastener, Standing Seam 24 gauge painted steel. Forest green color

x. Install gable end flashing and ridge cap, 24 gauge steel

1. Closure strip or equivalent shall be utilized to avoid wind-blown water from entering under the roofing pans via the ridge gap.

2. Ridge cap shall have a minimum of 6" overhang on each side, with hemmed side edges.

3. Ridge cap overlap should be minimum 12".

4. Terminal ends of ridge cap shall be cut and bent to conceal gap under cap. Overlapping bends should be riveted with stainless steel rivet.

5. Lower ends of gable flashing shall likewise be bent to conceal gap, utilizing stainless steel rivets.

xi. Install snow breaks.

1. 2 rows, 24 gauge on main roofing sections.

2. 1 row above front porch and dormer over mechanical room.

xii. New, seamless gutters and downspouts will be installed, brown aluminum to closely match house color.

b. Roofing material (Contract Line Item #1, See Section 2.1.1) :

i. All metal roofing components to be 24 gauge steel, factory painted to with approved color

ii. Rivets to be stainless steel.

iii. Fascia board will be finger-jointed cedar, or approved other, to match existing thickness.

iv. Roofing screws to be gasketed and factory painted to match approved color.

c. Porch Repair (Contract Line Item #2, See Section 2.1.2)

i. Remove all decking, stair treads and railing components. To be replaced with tight knot cedar. Painted to match exterior finish color

ii. Inspect and replace degraded or damaged structural components of front porch/entry and replace with pressure treated lumber as needed.

1. Thorough inspection and extent of replacement needed shall be conducted with project COR or designee.

2. Replacement of these components estimated at 20%.

3. Any change in contract cost related to this repair work must first be approved by the Contracting Officer.

d. Prep and Repaint Exterior Finishes (Contract Line Item #2, See Section 2.1.2)

i. Scape and existing finish on exterior siding, trim and remaining original porch components as needed.

ii. Remove failed caulking from around window, door, and corner trim. To be replaced with Sika Flex or approved other.

iii. Spot prim and paint with approved compatible product and color to match existing.

iv. Complete minor repairs as needed.

1. Should substantial degradation of exterior components be discovered, these areas are to be thoroughly inspected with COR or designee.

2. Any change in contract cost related to this repair work must first be approved by the Contracting Officer.

1.6. Period of Performance

The period of performance of this contract for Line Item #1 is immediately following the award (approximately August 9July 30th) to October 31st, 2021.

The period of performance of this contract for Line Item #2 is immediately following the award (approximately August 9July 30th) to July 1st, 2022.

Physical work on the building is not to commence until a Notice to Proceed is given following the pre-construction meeting and submittals for materials to be used have been approved.

Work is to be completed between the hours of 7am – 5:30 pm, Monday – Friday unless otherwise agreed upon between the Contracting Officer’s Representative and on-site NPS staff.

Work shall not be performed during federal holidays or during periods of inclement weather.

At all times residents must have safe and secure access to the enter and exit the building as they need. Either through the front entrance or rear entrance through the mechanical room.

1.7. Place of Performance

The Kalvick House is located on the East side of the Dyea Road at approximately Mile 8, just north of McDermott Lane. Dyea, Alaska 99840.

2.0 General Requirements

This Section defines components of the project and the Contract Line Item, and outlines progress payments and required project meetings.

2.1 Definition of Contract Line Items

The intent of this Section is to explain, in general, what is included in each contract line item and to clarify limits or cut-off points where one item ends and another begins. If a portion of the work is not explicitly covered in any line item below but is a part of the project, include the costs for that work in a related line item. The Contractor is responsible for determining and obtaining all necessary permits.

2.1.1 Contract Line Item No. 1 – Replacement of Existing Roofing, Facia Boards and Gutters

This item consists of all labor, materials, supervision and installation for the work described in this document and in accordance with manufacturer installation specifications for all products and general work specifications.

2.1.2 Contract Line Item No. 2 – Porch Repair and Exterior Refinishing.

This item consists of all labor, materials, supervision and installation for the replacement of specified entry porch components, repair of structural porch elements as needed, and all work associated with the repainting of the exterior finishes.

2.2 Payments

Payment will be made for each line item upon approved completion of the tasks or delivery of materials outlined in this statement of work. Payment for each line item can be made in one single payment if requested by the contractor.

The Contractor shall furnish the originals of all field notes, invoices, and all other records relating to the basis for payment, to the Contracting Officer (CO). The Contractor shall retain copies of all such material furnished to the CO.

2.3 Project Meetings

2.3.1 Pre-Construction Meeting

The CO will arrange a pre-installation meeting with the Contractor. This meeting can be conducted as a teleconference or in person at the work site. The meeting agenda will include the following as a minimum:

• Park rules and regulations

• Correspondence procedures

• Roles and responsibilities

• Coordination of subcontractors

• Payments

• Acceptance/rejection of the work

• Labor standards and labor law application

• Modifications

• Accident Prevention Plan and accident reporting

3.0 Installation Requirements

3.1 Installation Support

3.1.1 Staging Areas

Work sites will not exceed the minimum space needed to conduct work efficiently and safely. Staging area will be restricted to parking area to the east of the buildings. Ground disturbance and site management will be carefully controlled to prevent undue damage to vegetation, soils.

Confine storage of construction materials and equipment to immediate vicinity of project site, unless directed otherwise by the Contracting Officer’s Representative (COR). All staging areas and grounds around the building, shall be returned to pre-work conditions once all work is completed. Standards for this, and methods for determining when the standards are met, shall be developed in consultation with the COR.

The location of trailers, storage, field offices, sheds and staging areas will require CO approval. Special consideration must be given to the location of septic system standpipes, location of septic tank and location of septic leach field.

3.1.2 Construction Camp

Establishment of a construction camp will not be permitted.

3.1.3 Work Zones

Do not disturb portions of project site beyond areas required to complete work identified in this document. Work zones shall be identified and delineated using stanchions and caution tape, wooden barricades, barrier fencing, chain link, plastic or portable fencing approved by the COR before any work activity. The fencing shall define the work zone and confine activity to the minimum area required for the installation of the roofing and repair of the porch. All protective measures shall be conspicuous, and workers will be instructed to avoid conducting activities beyond the work zone as defined by the identified work area required to complete the project. The Contractor shall protect tree trunks and root systems of trees in or adjacent to work areas.

3.1.4 Protection of Residents, NPS Employees, and Visitors

The Contractor shall fence, barricade, or otherwise block off the immediate work area to prevent unauthorized entry. Erect and maintain fencing, barricades, lights, signals, and warning signs in accordance with local and state ordinances.

3.1.5 Parking of Company Vehicles

Parking of vehicles shall be limited to existing roads, in legally designated areas, and within approved staging area(s).

3.2 Access

Coordinate work efforts with the CO, or designated COR, such that there is minimal impact to the work of NPS personnel and housing residents.

The Contractor shall allow for Government occupancy of project site, and keep driveways and entrances serving premises clear and available to Government, Government's employees, Residents and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

Maintain existing building in a weathertight condition throughout work period. Repair damage caused by installation operations. Protect building and its occupants during construction period.

3.3 Visitor Experience

The following mitigation measures shall be incorporated into the project to minimize the impacts of installation activities on the visitor experience: Interactions with the general public on site and while work is being performed shall be courteous and respectful.

3.4 Environmental and Sustainability Requirements

The following are general environmental and sustainability requirements during work, designed to minimize impacts during construction.

3.4.1 Water

Avoid materials that can leach toxic chemicals into the ground water. Do not allow toxic chemicals to contaminate groundwater or nearby open water/flood zones.

3.4.2 Noise

Minimize noise generation during Construction. Operate power equipment in accordance with local noise restrictions. Do not leave equipment operating when not in use or needed to minimize negatively affecting the quality of life for building residents.

3.4.3 Materials

Use resources efficiently. Select materials and use work practices that achieve the most efficient use of resources and materials.

3.4.4 Air and Water Pollution Control

Air quality impacts are expected to be temporary and localized. All necessary and reasonable measures shall be taken to reduce air and water pollution by any material or equipment used during performance of work. To reduce tailpipe emissions, company equipment shall not be left idling any longer than is necessary for safety and mechanical reasons. Volatile wastes shall be stored according to best industry practices and in covered containers.

3.5 Quality Control

3.5.1 General

The quality of all work shall be the responsibility of the Contractor. Inspect all work as needed to ensure that the quality of materials, workmanship, installation, finish, and functional performance is in compliance with applicable specifications, drawings and product warranties.

3.6 Temporary Materials, Equipment and Services

Temporary materials may be new or used, but must be adequate in capacity for the required usage, must not create unsafe conditions, and must not violate requirements of applicable codes and standards.

3.6.1 Fire Protection Equipment

Observe and enforce standards of fire prevention. No open fires shall be allowed. A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include locating and maintaining fire protective equipment and establishing and maintaining safe torch cutting and welding procedures. Hot work permit is required from AHJ for hot work.

No less than 2 unconcealed fire extinguishers will be on site and quickly accessible active work on site. These are in additional to the vehicle and equipment extinguisher requirements identified in Section 3.6.2.

3.6.2 Vehicles and Equipment

Provide one fire extinguisher on each vehicle or piece of equipment. Extinguishers shall have a minimum UL rating of 2-A:10-B:C.

3.6.3 Hazard Control

Take all necessary precautions to prevent fire during construction, such as and cutting of metal that may produce sparks or any other work activity that serve as a source of ignition. Do not store flammable or combustible liquids in existing structures. Provide adequate ventilation during use of volatile or noxious substances.

3.6.4 Spark Arresters

Equip all gasoline or diesel-powered equipment used in potential forest or grass fire locations with spark arresters approved by the U. S. Forest Service. Written determinations of areas and periods of potential fire hazard will be issued by the CO.

Locate internal combustion equipment so that exhausts discharge well away from combustible materials. Locate service areas a minimum of 50 feet from buildings. Shut down equipment before refueling.

3.6.5 Smoking

Smoking within, or within 10 feet of buildings or temporary storage sheds is prohibited.

3.6.6 Welding

Cutting by torch or welding shall be performed only when adequate fire protection is provided. Hot work permit is required from AHJ for hot work.

3.6.7 Electricity

NPS shall provide all necessary electrical needs and pay all costs.

Temporary electrical work shall meet requirements of the current version of NFPA 70 (NEC) Article 590. When temporary connections are removed, restore existing utility services to their original condition.

3.6.8 Telephone

There is no telephone service on site.

3.6.9 Water

NPS shall provide potable water and pay all costs.

3.7 Maintaining Existing Utilities

Installation procedures will prevent accidental disruptions to the building on which work is being performed, or facilities outside the project limits, by investigation of existing utilities and protection during performance of work: accidental disruptions shall be remedied at no cost to the NPS.

3.8 Hauling Restrictions

Comply with all legal and local load restrictions in the hauling of materials.

3.9 Accident Prevention

3.9.1 Accident Prevention Program

During the Pre-Construction Meeting a site specific accident prevention plan will be discussed. This plan must incorporate items described in Section 3.9.4. The plan must be accepted by the NPS before a Notice to Proceed can be approved and any on-site work can begin.

3.9.2 Accident Reporting

Reportable accidents, defined as death, occupational disease, traumatic injury to Contractor’s personnel, NPS employees or the public, property damage of a value of more than $100, any accident and fires, must be reported immediately. Complete an Accident/Property Damage Report (attached Form CM-22) and forward to the CO, and/or the COR as soon as possible.

3.9.3 Quality Assurance

Ensure that all employees are physically qualified to perform their assigned duties in a safe manner. Do not allow employees to work if their abilities are impaired. Operators of all equipment shall be able to understand signs, signals and operating instructions, and be capable of operating such equipment.

3.9.4 Safety Measures

Provide the following:

• First aid supplies

• Personal protective equipment that meets the requirements of NIOSH and

MSHA

• Emergency instructions, including telephone numbers and reporting instruction for ambulance, physician, hospital, fire department and park law enforcement. Place in conspicuous locations at the worksite

• Adequate egress at all times in accordance with the Life Safety Code (NFPA 241)

• Hard hats for all employees

• Designate and post signs in all hard hat areas

3.10 Housekeeping

Keep project neat, orderly, and in a safe condition at all times. Work areas shall be cleaned at the end of each day.

3.11 Close-out Project

3.11.1 Cleaning

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

3.11.2 Substantial Completion and Final Inspection

Submit written certification that project, or designated portion of project, is substantially complete, and request, in writing, a final inspection. Upon receipt of written request that project is substantially complete, the CO will proceed with inspection within 10 calendar days of receipt of request or will advise the Contractor of items that prevent the project from being designated as substantially complete.

When work is determined to be substantially complete, the COR will prepare a list of deficiencies ("Punch List") to be corrected before final acceptance. The COR will issue a Letter of Substantial Completion. If work is not determined to be substantially complete, the COR will notify the Contractor in writing. After completing work, the Contractor shall resubmit certification and request a new final inspection.

If, following final inspection, the work is determined to be substantially complete, COR will prepare a list of deficiencies to be corrected before final acceptance and issue a Letter of Substantial Completion. Contractor shall complete the work described on the list of deficiencies within a reasonable amount of time. Substantial completion and Final Acceptance are reached when all installation specifications from the roofing manufacturer are completed, as well as, all other requirements of this contract for site clean-up, and any remediation that may need to take place due to damage to the septic system, grounds/landscaping or environmental contamination.

4.0 Project Submittals

4.1 Products Requiring Approved Submittals Prior to Procurement.

4.1.1 Underlayment

Product to be installed as weather barrier between roof sheathing and standing seam metal roofing must be approved to meet minimum specifications listed in Section 1.5

4.1.2 Roofing and Roof Flashing

Manufacturer specific product to be installed must be approved to meet minimum specifications listed in Section 1.5.

4.1.3 Gutters

Color and product specifications for the seamless gutter system must be approved to meet specifications listed in Section 1.5

4.1.4 Exterior Sealants, Caulking and Finishes

Caulking and sealant products used to fill gaps, seal seams and joints must be submitted for approval. Exterior finishes products must be approved to closely match existing colors and found to be compatible with existing finish.

4.2 Submittal Process

4.2.1 Product Submittal and Approval Process

Submittal process, including the necessary submittal forms and review process to approve materials are provided in the General Specifications document under Section 1.3.B.

5.0 Warranty

5.1 Product Warranties:

Contractor is responsible to address and correct any product related defects or failures that covered under manufacturer warranties within 12 months of approved substantial completion of the contract.

5.2 Quality of Work Warranty

Contractor is responsible to correct, at their own expense, any failure of products installed, or work identified as sub-par within 12 months of approved substantial completion of the contracted work. Contractor is also responsible to repair, at its own expense, any damage to the building that may have resulted from inadequate work performance.

6.0 Required Travel and Other Direct Costs

6.1 Employee Travel and Lodging

The principal place of performance is in the Dyea, Valley, approximately 9 miles from downtown Skagway, Alaska. Some lodging is available in Dyea. If lodging is in Skagway, it is an approximate 45 min from Skagway to the work site.

6.2 Shipment of Equipment and Delivery of Supplies/Materials

The principal place of performance is in the Dyea Valley, approximately 9 miles from downtown Skagway, Alaska. All material are FOB Final destination Dyea, Alaska.

7.0 POINT OF CONTACT:

Contracting Officer’s Representative (COR) for Technical Support will be provided at time of award.

Contracting Office for Contractual Support:

Amanda Jordan – Contracting Officer National Park Service, Alaska Regional Office 240 W. 5th Ave.

Anchorage, AK 99501 Amanda_jordan@nps.gov Tel: (907) 644-3311

8.0 SUBMIT INVOICE(S) TO:

Submit the original invoice to the Invoice Processing Platform (IPP), https://www.ipp.gov/ and a copy, via email, to the CO.

Lump sum payments will be made upon completion of each line item.

9. Contracting Officer’s Authority:

The Contracting Officer is the only person with the authority to act as agent of the Government under this contract. Only the Contracting Officer has authority to:

(1) direct or negotiate any changes in the Statement of Work or specifications.

(2) modify or extend the period of performance.

(3) change the delivery schedule; or

(4) otherwise change any terms and conditions of this contract.

The Contracting Officer is the only person authorized to make or approve any changes in any of the requirements of this contract and not withstanding any provisions contained elsewhere in this contract, the said authority remains solely in the Contracting Officer. In the event the Contractor makes any changes at the direction of any person other than the Contracting Officer, the change will be considered to have been made without authority and no adjustment will be made in the contract price to cover any increase in costs incurred as a result thereof.