SOW.pdf

UHHZ STATEMENT OF WORK - 01005

4 March 2015

REPLACE ROOF ON BUILDING 350

STATEMENT OF WORK

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PART 1 - GENERAL

1.01 STATEMENT OF WORK:

A. Location: Accomplish Work at Robins AFB, GA.

B. Price: The original contracted price includes special work times for utility outages and repair of damages.

C. Contract Documents: Follow details shown by the specifications and drawings.

D. Project Scope, Objectives, and Criteria. The work includes the following:

1. Survey and identify the existing roof for any areas of ponding. New roof system will not be accepted with areas of ponding after new system has been installed.

2. Demolition shall be done in a method that keep the building 100% dry at all times and protects the personnel in the building from any falling debris.

3. Demolish the existing roof system to the structural deck, including all expansion joint flashings, gutters, downspouts, flashings, insulation and gable trims. Ensure at the end of each day the building is in a watertight state.

4. Install all new vapor barrier that is adequate for UV exposure until new PVC system is installed in each roof section. Design Engineer shall determine thickness and manufacturer.

5. Install new pressure treated wood perimeter nailer and 1 ½” ISO insulation in all roof areas. Any areas previously identified as a depression shall be infilled to allow a positive water flow prior to installing the new ISO insulation. Insulation may be either mechanically attached or adhered. Insulation must be kept dry between installation and installing of the new roof. Any area that cannot be addressed for a positive drainage to the new gutters will require the contractor to install a new roof drain and PVC piping to the outside of the building.

6. Install new mechanically attached 60 mil minimum PVC roof. PVC design basis shall be equal to or better than Duro-Last Cool Roofing. Manufacturer shall be capable of providing all pre-fabricated corners, stacks, vents, and curb flashings. All PVC material shall have a minimum of 18 x 14 per square inch scrim pattern with the same millage of PVC on both sides of scrim. Material shall be 100% PVC with no filler allowed. Material shall meet ASTM D 751 with a breaking strength > 390lbf, ASTM 5635 Dynamic Puncture Strength of > 14.7 ft-lbf. Solar Reflectance of 88% minimum, Initial Thermal Emittance: ≥ 87%, Initial Solar Reflective Index (SRI): ≥ 111, 3-Year Aged Solar

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Reflectance: ≥ 68%, 3-Year Aged Thermal Emittance: ≥ 84%, 3-Year Aged Solar Reflective Index (SRI): ≥ 82

7. Roof penetrations shall be a minimum of 8” above the drain plane of the roof deck. All roof penetrations shall be flashed in accordance with the manufacturer’s design requirements.

8. Provide and install all new gutters, downspouts, splash blocks, flashings and gable trims that cover the face of the walls to a minimum elevation as the existing trims cover.

9. Install new Lightning Protection System (Franklin type). Lightning protection system shall meet requirements of NFPA-780, UL-96, and UFC 3-575-01. Upon completion of the installation, the contractor shall furnish the grounding test results, inspection from the UL Certified installer and 3rd party inspection report from Underwriters Laboratories, Inc.

10. Design Analysis shall be performed by a Professional Engineer who derives the majority of their income from roof design or a Registered Architect with a Registered Roof Consultant as part of their team. Analysis shall include drawings indicating wind uplift zones, fastening patterns, material installation details, flashing details, gutter size, and all associated calculations. Roof shall be designed around ASCE 7-10, IBC 2012, UFC 3-110-03, UL-96, NFPA 780, UFC3-575-01, and the current Robins Base Facility Standards (http://www.robins.af.mil/units/78thairbasewing/78thcivilengineergroup.asp).

11. Warranty shall be a 20 year single source no-dollar-limit warranty covering weathertightness and finish that covers the roof system up to required design winds speeds. Metal flashings shall also include a finish warranty.

12. All inspections shall require a 10 day written notification to the inspector prior to requested inspection date. Manufacturer’s representative shall visit the project a minimum of 3 times during the project once at the beginning at the beginning of the project, once at 50%, and a final inspection. A written report shall be provided by the manufacturer of each inspection. This project will require a pre-final inspection and a final inspection with the government also.

E. Performance Period: Notice to Proceed will be issued 10 days from award. The contractor shall have all submittals (except As-built drawings and O&M Manuals) submitted and approved within 50 days of NTP, Contractor shall begin work within 71 days of NTP and be completed with project within 321 days of NTP, and closed out within 342 of the NTP.

F. General Congestion:

1. Work area is restricted to the area shown. It is moderately congested.

REPLACE ROOF ON BUILDING 350

STATEMENT OF WORK

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2. Some factors that may restrict work include cars entering and leaving parking areas near the construction site.

G. Evacuation: Before fencing off the construction area, notify the Contracting Officer in writing 30 days before ready to start so that Contracting Officer’s Representative and Project Manager can notify appropriate personnel.

H. Evacuation: Government personnel will not be evacuating the building.

1.02 CONTINUED OCCUPANCY:

A. Access: Building 350 shall remain in full operation during the time of the project. The contractor will be given partial access to the project area.

B. Beneficial Occupancy: The Government reserves the right to take beneficial occupancy of parts of the project area before the total project completion date. This is not final acceptance, and identified deficiencies must still be corrected.

1.03 HOURS OF WORK:

A. Standard Work Hours

1. Normal work hours of 7:00 AM to 5:00 PM eastern standard time Monday through Friday. Work must stop on official Government holidays and work curtailment days, unless specifically approved in advance.

B. Alternate Work Hours

1. If the Contractor desires to work alternate work hours, such as four 10-hour days, submit written request five (5) workdays before the date desired to work the different standard.

2. The Government reserves the right to refuse these requests. However, they will usually be approved unless they negatively affect the base or the using activity. For example, the using activity may have difficulty paying overtime for escorts in controlled areas. In addition, work requiring inspector presence such as placing concrete may not be possible outside normal hours with prior written approval.

Digging outside of normal hours will not be approved.

C. All references to days mean calendar days unless otherwise noted.

1.04 SUBMITTALS:

A. General: Provide the following submittals in accordance with instructions found in Section 01300, Submittals and Contractor Furnished Items. The contractor may submit

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STATEMENT OF WORK

01005 - 4 of 5 manufacturer’s data in lieu of the required certificate of compliance if he desires. The government requires manufacturer’s data if an “X” appears under the “Mfg. Data Required” column.

B. Project Submittals:

1. See AF 66

C. Other Submittals: Provide any other required submittals as directed by the Contracting Officer.

PART 2 - PRODUCTS - N/A

PART 3 – EXECUTION

1. A full time project manager will be onsite at all times during this project. A Foreman who is certified by the manufacturer shall be onsite and on the roof at all times during the roof replacement process.

3.01 COMMENCEMENT OF WORK

A. Construction Prohibition: Do not order any materials or start any construction until the Contracting Officer has approved all related submittals.

B. Noncompliance Impacts: Any contractor costs resulting from noncompliance with these requirements are the sole expense of the contractor. Noncompliance shall not be cause for contract extensions or other considerations, but they may be cause for the Government to charge the contractor for liquidated damages for all negative impacts upon the Government.

3.02 COORDINATION: The superintendent (or contractor on-site project manager) shall coordinate work between different disciplines.

A. Avoid conflicts between new mechanical, electrical, architectural, and civil systems. Also, avoid conflicts between new work and existing structural or physical aspects or features of the facility. Request guidance from the Technical Representative of the Contracting Officer, and then perform such work at no additional cost to the Government.

B. Locations shown are approximate and may be moved if approved by the Contracting Officer. Show such variations on as-built drawings and do them at no additional cost to the Government.

C. Manufacturers' recommendations and/or requirements, if more stringent than the specifications and drawings, shall be followed at no additional cost to the Government.

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3.03 GOVERNMENT-FURNISHED PROPERTY will not be provided in this project.

3.04 AS-BUILTS: Also see Section 01300 for submittal items such as as-builts that apply to all projects.

Final closeout submittal shall include 4 CD’s that include PDF as-builts, Auto-Cad as-builts, all inspection reports a d copy of warranties.

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