SU495_Roof_Replacement_SOW.pdf

SCOPE OF WORK

Roof Replacement

SU495

Sugarlands Seasonal Quarters

SECTION 1

I. BACKGROUND

The project is for roofing replacement. The location is in the Sugarlands area of the park, on Park HQ Road in the Great Smoky Mountains National Park. This project is to replace asphalt shingles with CertainTeed

Presidential Shake asphalt shingles color to be Weathered Wood. SU495 Seasonal housing is approximately

19 squares. Maps and Photos of the buildings’ locations and the buildings’ roofs can be made available upon request. The building is listed below:

SU495

• 258 Park HQ Rd.. Gatlinburg TN, 37738

• 19 roofing squares (Roof Measured 1886 SQFT) – up to 4/12 pitch

• CertainTeed Presidential Shake Weathered Wood

• Permanent under ridge vent Fall protection roof anchors

• Contractor responsible for acquiring all materials

II. DESCRIPTION OF WORK/SCOPE: The contractor shall furnish all personnel, equipment, tools, materials, supervision, and other items and services necessary to remove and replace roofing material. The structures are older buildings that have settled and may contain areas that are not perfectly square. The contractor will be responsible for using proper installation methods and proper trade methods for the adjustment of both unsquared and square areas along the roof; thus creating a visually appealing and weather tight roof.

Roof Spec:

a) The contractor will remove the existing asphalt shingle and transport them to a waste collection or recycling facility for disposal. The disposal will include all components including shingles, drip edge, flashing, and all other miscellaneous roof materials. The contractor will be responsible for providing load tickets for what was disposed.

b) The contractor will be responsible for protecting surrounding structures and landscaping from damage during the duration of the job. The contractor will be required to tarp off all areas around the structures to catch all loose debris. A magnet will be used daily to remove any loss screws or other tire puncture hazards.

c) The contractor is to provide temporary weatherproofing of all exposed roof surfaces during non-work hours of project, and in inclement weather during work hours. If damage occurs as a result of inadequate weatherproofing, Contractor shall make repairs at no additional cost to the government.

d) The contractor will be responsible for addressing rotten decking components before installing new roofing products. The materials used will be in-kind to existing materials on the structure. The contractor will be responsible for no more than 25% wood replacement per structure. Park Staff will remove and replace guttering and repair or replace any rotten fascia boards and trim prior to start date.

e) The contractor will clean the roof decking of all protruding staples, nails, and debris before installing any new products. The Park requires a site inspection once demolition and repairs have been completed, for verification. The inspection must occur prior to installation of any new roofing components.

The Contracting Officer’s Representative (COR) will sign off on completion before final components are installed

f) The contractor will install an ice and water shield in areas required on the roof surface. The remaining underlayment will be installed using complete sections minimizing joints along the roof surface.

g) The contractor will be responsible for installing aluminum drip edge brown in color along all outside edges. The drip edge will be installed using full 10’, or longer, length sections where applicable to minimize unsightly joints. All adjoining sections will be cut to proper angles and overlapped to create a seamless transition.

h) The roofing shingles are to be CertainTeed, Presidential Shake asphalt shingles color to be

Weathered Wood or comparable asphalt shingles of another manufacturer so long as the color and pattern is similar to CertainTeed, Presidential Shake, color is Weathered Wood. If using a manufacturer other than CertainTeed, Presidential Shake, the COR must inspect and approve of the color and pattern of the other asphalt shingles prior to beginning of any construction. Contractor will install all roofing materials with proper galvanized roofing fasteners. All materials must be installed according to manufacturer’s installation standards.

i) The contractor will be responsible for installing all new roof flashing. The flashing will be installed using proper fasteners and techniques insuring a watertight seal.

j) The contractor will be responsible for Installing permanent under ridge vent fall protection roof anchors, roof anchors shall be installed approximately every 8’ along the ridge, anchors shall not be installed within 6’ of the gable end. Anchors shall be designed to accept lanyards with D-clips and permanently mounted to withstand 1,800 lbs. of force for an employee with a body harness. The anchorage shall be rigid and shall not have a deflection greater than 0.04 inches when a force of 2,250 lbs. is applied, per OSHA 29 CFR 1926.502(d)(15)

k) The contractor will be responsible for installing Shingle Over Plastic Ridge Vent. The ridge vent will be installed using proper fasteners and shingles will be layered to meet manufacturer’s specifications.

l) The contractor will “boot” and seal all vent tubes, electrical masts, and exhaust stacks that are venting through the roof with new boots/flashing. The existing boots/flashing will not be accepted.

m) The contractor will supply copies of the warrantees, and all applicable written product operation and maintenance instruction manuals. The contractor should also be prepared to brief the park’s COR on the maintenance requirements.

n) All warranty documentation will be provided to the contracting officer and COR. All materials will be installed in accordance with industry standard installation techniques and manufacturer’s installation specifications.

o) All work required by the project documents is to be successfully and satisfactorily completed, in its entirety, by the Contractor, to include minor items/services that may not be specifically mentioned in the project documents.

p) Comply with all applicable National Park Service regulations and directives pertaining to security, safety, occupational health, fire, traffic, and personnel clearances while at Great Smoky Mountains National

Park. The park rules are located at under the polices link. Superintendent’s Compendium The COR can also provide if requested.

q) If the contractor makes use of any scaffolding, the area around the scaffolding must be barricaded in such a way as to prevent accidental entry into the scaffolding area by unauthorized individuals and any scaffolding over ten feet in height will make use of toe boards.

r) Workers and other persons below a roofing surface where construction is taking place or beneath scaffolding, that is greater than ten feet in height, will be required to wear a hard hat.

https://www.nps.gov/grsm/learn/management/superintendent-s-compendium.htm https://www.nps.gov/grsm/learn/management/superintendent-s-compendium.htm