07 Attachment - BLDG 505-507 Breezway SOW 20Sep21.pdf
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- Roofing Repair, Hill AFB, UT Federal contract opportunity
- Solicitation number
- FA8201-22-R-0010
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S T A T E M E N T O F W O R K
20 Sept, 2021
Work Task #: 9505087 Location: Bldg. 507/505 Project Title: Bldg. 507/505 Replace Breezeway Roofing Capital Project #: 1046412 Project Manager: R. Shawn Bingham Project Manager Contact Information:
Office: 801-775-3316 Cell: 801-430-5127
1. General Requirements
1.1 The contractor shall bid and perform all work in accordance with requirements contained in the original contract specifications and this Statement of Work (SOW).
1.2 The contractor shall provide a TURN KEY proposal for all areas of the project, when completed and ready for final inspection, shall meet all pertaining codes and governments’ statement of work (SOW).
1.3 The contractor shall perform the service required after coordinating with SABER PM. Normal working hours are 0700 to 1600 Monday through Friday. No overtime costs shall be allowed.
1.4 The contractor shall comply with UFC 1-200-01 (Edition in effect at award), UFC 3-110-03 (Edition in effect at award), IBC Codes, NFPA Codes, NEC Codes, International Mechanical/Plumbing Codes, Hill AFB Section 1000 Standards, ASHRAE Standards, AWWA, State of Utah Administrative Code, Hill AFB Design Standards (most current version), UFC 3-580-01 Telecommunications Interior Infrastructure Planning and Design, the 75th CS TAB K, dated 1 April 2010 and all manufacturers installation, start-up and operation instructions for all material and equipment being installed.
1.5 Roof system design shall incorporate all aspects of roof waterproofing, including parapet walls, skylights, flashings, drains, scuppers, gutters, downspouts, etc. Comply with current NRCA and SMACNA standards.
1.6 The contractor shall use a Utah Certified and Licensed, Asbestos Containing Material (ACM) and Lead Based Paint (LBP) abatement contractor(s) for all ACM/LBP abatement. Two approved contractors are Environmental Abatement Inc. and Eagle Environmental.
1.7 The contractor shall notify the Project Manager (PM) a minimum of thirty (30) days prior to all requested outage dates to allow for the coordination of multiple government agencies. Failure to do so may result in project delays and the project period of performance will not be extended. Failure to perform all work during the outage time may cause a minimum of 21 days delay due to resubmittal and approval of new outage dates. All electrical and water outages shall be performed after hours, weekends or at customer’s discretion. All outages dates shall not exceed 5 days per outage without prior approval by
SABER PM.
1.8 Contractor shall obtain fire permits when using open flames and equipment fueled by propane tanks.
Contractor shall provide evidence of CERTA training for any installer of torch-applied membrane.
1.9 The CO's approval of submittals shall not be construed as a complete check, but will indicate only that the general method of construction, materials, detailing and other information are satisfactory, and the design, general method of construction, materials, detailing and other information appear to meet the Solicitation and Accepted Proposal. Approval will not relieve the Contractor of the responsibility for any error which may exist, as the Contractor under the Contractor Quality Control (CQC) requirements of this contract is responsible for design, dimensions, all design extensions, such as the design of adequate connections and details, etc., and the satisfactory construction of all work.
1.10 The contractor shall provide a Project Manager/Superintendent for all projects. A Project Manager/Superintendent is defined as “having at least three (3) years of experience in construction management for similar size/scope projects and be familiar with all aspects of general construction management, practices, methods, and materials” and “shall have full authority to act for the Contractor on all contract matters relating to daily operation of this contract that do not have cost impacts”. A “Part-time” Superintendent is identified as spending at least one hour per day, on-site, managing the project and a “Full-time” Superintendent is identified as spending the majority of the time at the project site – at least 6 hours per day.
1.11 Items not specifically mentioned in this SOW or associated specifications, but which are essential and necessary for the completion of the work and to make all systems or equipment operational and complete, shall be considered as incidental and shall be included as part of the work.
1.12 The contractor shall schedule Roll offs for the Hill QRP program for recyclable metals (POC is Wayne Murphy 1-801-586-8538). There will be separate Roll offs needed for Scrap metal and Copper.
Period of Performance: 45 Days
Superintendent: FULL TIME ( ) PART-TIME (X)
All government provided drawings and measurements are for reference only – Contractor shall verify accuracy and provide accurate drawings.
2. Statement of Work:
3. Asbestos/Lead Base Paint Abatement:
A. Please see attached report.
4. General Scope of Work:
A. The contractor shall remove approximately 950 Sq Ft of existing built up roof system and replace with a minimum 2 Ply SBS modified bitumen roof membrane consisting of a modified bitumen base sheet and a SBS modified bitumen granular surface cap sheet. Modified bitumen roof membrane must either be set in hot asphalt, torch applied, set in cold-applied adhesive or a combination of methods. The contractor is responsible for field verifying all quantities.
B. The contractor shall remove all existing roofing and rigid insulation to expose the roof deck.
Inspect decking for any damage. Damaged decking shall be repaired/replaced with like decking material. When instructed remove any outdated or abandon equipment and replace with like decking material. Mechanically Fasten two (2) layers of 3” polyisocyanurate insulation board (R-
30) to deck according to wind uplift calculations. Stagger board joints. Install ½” recover insulation board above all conditioned areas. Taper insulation as required to create roof slopes to drain at low slope conditions to avoid any standing water.
C. The contractor shall retrofit approximately 550 SQ FT of new Structural Metal Hydrostatic standing seam roof system over the existing metal roof system. The contractor is responsible for field verifying all quantities. NTE pricing shall be determined based on the roof field area of 550 Sq. Ft.
D. The contractor shall install approximately 550 SQ new rigid insulation, mechanically fastened over the existing metal roof panels. The contractor shall install a high temp self-adhering underlayment over the new insulation. The contractor is responsible for field verifying all quantities.
E. The contractor shall remove approximately 80 Ft of gutter and downspouts and replace with new 5” gutter and down spouts. The contractor is responsible for field verifying all quantities.
F. The contractor shall install 2 rows of snow bars/stops on the new section of the standing seam metal roof and also on the existing section of standing seam metal roof. Approximately 100 Ft.
The contractor is responsible for field verifying all quantities.
G. The contractor is responsible for ensuring minimum slope of ½:12. The contractor shall ensure proper saddles, curbs, flashing, and sealants necessary to provide positive drainage from roof penetrations and roof-wall junctures as a minimum requirement for a new roof. Ponding water will not be accepted.
H. The contractor shall raise all mechanical equipment, area dividers, pipe penetrations, curbed units, etc. to allow for minimum 8” of flashing heights above finished roof. All vents through roof shall be extended to 18” minimum above finished roof.
I. The contractor shall scope all drains. Blocked drains will be repaired by installing contractor should it be required. Provide new drain bowls, rings and strainers at each existing roof drain location. Drains that do not have the proper bolts or attachments shall be replaced and or installed.
J. The new roofing system shall include, but not limited to the replacement of all flashings/counter flashings, expansion joints, coping metal, cover blocking, strainers, baskets, stops, scuppers, cant strip, wood nailers, gutters, downspouts and associated sealants. All metal color shall be Dakota Brown.
K. The contractor shall be responsible for lifting and re-setting equipment as necessary to ensure proper roof installation. All mechanical and electrical disconnects and reconnects are installing contractor responsibility.
L. The roofing contractor shall be responsible to maintain water tightness and provide protection at any/all openings in the roof left at the end of each construction day. Any damage to the interior of the building, building components or equipment will be the responsibility of the contractor to repair, replace and restore back to its original condition.
M. The contractor shall comply with OSHA 1926.501 for safety/fall protection for all roof work.
N. The contractor shall provide all supervision, labor, materials, equipment, and transportation to accomplish efforts associated with this Statement of Work (SOW), project drawings specifications, and Request for Proposal (RFP) in order to provide a complete and usable warranted product.
O. The contractor shall follow all requirements and specifications as outlined in Government SOW, codes, regulations, AFI, UFC, and UFGS specs.
5. SBS Modified Bitumen
A. Wind uplift shall be calculated by a licensed engineer using the ASCE 7 guidelines as outlined in
Title 24 Part 2 Chapter 16. Low-slope membrane roof system metal edge securement, except gutters, shall be designed and installed for wind loads in accordance with Chapter 16 and tested for resistance in accordance with ANSI/SPRI ES-1.
B. Basis of design: On low-sloped roofs (1/2” in 12” to 3” in 12”) use the specified modified bitumen roofing or equal.
1. SBS Base Sheet ASTM D 6162, minimum 2.0 mm (80 mils) thick.
a. Tensile Strength (ASTM D5147)
2 in/min. @73.4 +/- 3.6 deg F MD 500 lbf/in XD 550 bf/in
b. Tear Strength (ASYTM D5147)
2 in/min. @73.4 +/- 3.6 deg F MD 900 lbf/in XD 950 bf/in
c. Elongation, ASTM 5147 4.0% XD 4.0%
d. Low Temperature Flex, ASTM 5147 -30 F.
e. Post-Consumer recyclability minimum of 15%
2. SBS Granular Cap Sheet: ASTM D 6162; Type III, Grade G, minimum 160 mils thick at selvage edge.
a. Tensile Strength (ASTM D5147)
2 in/min. @ 73.4 +/- 3.6 deg F MD 700 lbf/in XD 750 bf/in
b. Tear Strength (ASTM D5147)
2 in/min. @ 73.4 +/- 3.6 deg F MD 1300 lbf XD 1400 lbf
c. Elongation MD 6.0% XD 6.0%
d. Low Temperature Flex -30 F.
e. Post-Consumer recyclability minimum of 5%
f. REFLECTIVITY, ASTM c 1549: 70%
6. Metal Roof Application
A. The contractor shall conform to the UFC 3-110-03 and Government SOW as follows:
B. The new Metal Hydrostatic roof system shall be installed by using a Retrofit framing system designed/recommended by the manufacturer.
C. Seams of panels shall be so configured, that when adjacent sheets are installed the seam is sealed utilizing mechanical or hand seamers. Crimped (45 degree bend), roll formed (180 degree bend), double roll formed (2 - 180 degree bends), and roll and lock systems are types of field-formed seam systems.
D. Panels shall be 16” width, 24 ga minimum, continuous lengths up to manufacturer's standard longest lengths, with no joints or seams, except where indicated or specified. Ribs of adjoining sheets shall be in continuous contact from eave to ridge. Color shall be Dakota brown.
E. There shall be no exposed or penetrating fasteners except where shown on approved shop drawings. Fasteners into steel shall be stainless steel, zinc cast head, or cadmium plated steel screws inserted into predrilled holes. There shall be a minimum of two fasteners per clip.
Single fasteners will be allowed when supporting structural members are pre-punched or predrilled.
F. Roof panel anchor clips shall be concealed and designed to allow for longitudinal thermal movement of the panels, except where specific fixed points are indicated.
G. Panels shall support walking loads without permanent distortion or telegraphing of the structural supports.
H. The design uplift pressures for the roof system shall be computed and applied using a basic wind speed of 120 miles per hour (mph).
I. Loads shall be applied on the horizontal projection of the roof structure. The minimum roof design live load shall be 40 psf.
J. The structural performance test methods and requirements of the Standing Seam Roofing Systems (SSRS) shall be in accordance with ASTM E1592.
K. The contractor shall provide design calculations prepared by a professional engineer specializing in structural engineering verifying that system supplied and any additional framing meets design load criteria indicated. Coordinate calculations with manufacturer's test results. Include calculations for: Wind load uplift design pressure at roof locations specified in paragraph entitled "Wind Uplift." And clip spacing and allowable load per clip.
L. The roofing system installer shall be factory-trained, approved by the metal roofing system manufacturer to install the system, and shall have a minimum of three years’ experience as an approved applicator with that manufacturer. The applicator shall have applied five installations of similar size and scope as this project within the previous 3 years.
M. The roofing panels, clips, closures, and other accessories shall be standard products of the same manufacturer; shall be the latest design by the manufacturer; and shall have been designed by the manufacturer to operate as a complete system for the intended use.
N. The contractor shall install in accordance with the approved manufacturer's erection instructions, shop drawings, and diagrams.
O. The manufacturer's technical representative shall perform a field inspection during the first 20 squares of roof panel installation and at substantial completion prior to issuance of warranty, as a minimum, and as otherwise requested by the Contracting Officer. Each inspection visit shall include a review of the entire installation to date. After each inspection, a report, signed by the manufacturer's technical representative, shall be submitted to the Contracting Officer noting the overall quality of work, deficiencies and any other concerns, and recommended corrective actions in detail. Notify Contracting Officer a minimum of 2 working days prior to site visit by manufacturer's technical representative.
P. System for securing the roof covering to structural framing members shall be concealed clip fastening system with no fasteners penetrating the panels except at the ridge or eave, rakes and penetrations (vents et.al.). Install a flat pan, vertical leg standing seam profile with minimum finished seam height of 1.5 in. with a double fold (180 degree) seam capable of meeting wind resistance requirements.
Q. The contractor shall attach panels to structure with concealed clips which are incorporated into the panel seams. Clip attachment shall allow roof to move freely and independently of the structure, except at fixed points to be indicated on the drawings.
7. Sheet Metal Flashing and Trim
A. Comply with SMACNA and NRCA.
B. Provide 22 gauge (.0299 in.) galvanized sheet metal when the work is located east of Twin
Peaks and 0.040” aluminum with a Kynar 500 baked epoxy paint finish all six (6) sides when the work is west of Twin Peaks or where located in a marine environment.
C. Copings: 22 gauge (.0299 in.). Slope ½” inch per foot minimum. No simple lap joints. Use butt plates or standing seam joints. Reference current edition of SMACNA Architectural Sheet Metal Manual, Table 3-1 Coping Design.
D. Corners are to be Mitered shop fabricated (no field fabrication).
E. Lap joints against the weather.
F. Lap metal edge flashings 6” under (into) the finished roof membrane.
G. Color shall be Dakota Brown or similar color.
8. Submittals:
A. The contractor shall submit roofing drawings to supplement the instructions and diagrams.
Drawings shall include design and erection drawings containing an isometric view of the roof showing the design uplift pressures and dimensions of edge, ridge and corner zones; and show typical and special conditions including flashings, materials and thickness, dimensions, fixing lines, anchoring methods, sealant locations, sealant tape locations, fastener layout, sizes, and spacing, terminations, penetrations, attachments, and provisions for thermal movement. Details of installation shall be in accordance with the manufacturer's Standard Instructions and details or the SMACNA 1793. Prior to submitting shop drawings, have drawings reviewed and approved by the manufacturer's technical engineering department.
B. The contractor shall submit each type of accessory item used in the project including, but not limited to each type of attachment clip, anchor clip, closure, fastener, and leg clamp.
C. Provide engineering calculations signed, sealed and dated by a professional engineer specializing in structural engineering verifying that system supplied and any additional framing meets design load criteria indicated. Coordinate calculations with manufacturer's test results. Include calculations for: Wind load uplift design pressure at roof locations specified in paragraph entitled "Wind Uplift."
9. Staging Area
A. The contractor may be provided a staging area. The staging area must be replaced in kind prior to the project closeout. If the mission dictates a staging area needs to be relocated it will be moved at the contractor’s expense.
10. Warranty
A. Furnish manufacturer’s no-dollar-limit materials and workmanship warranty for the roofing system. The warranty period shall be not less than 30 years from the date of Government acceptance of the work. Repairs that become necessary because of defective materials and workmanship while roofing is under warranty shall be performed within 7 days after notification, unless additional time is approved by the Contracting Officer.
B. The roofing membrane, base flashings, liquid applied flashing, roofing membrane accessories, roof insulation, fasteners, cover board, walkway products, and other single-source components of the roofing system must be marketed by the manufacturer and covered under the guarantee. Consider including expansion joints, copings and edge metal systems marketed by the manufacturer of the roof system and included in the guarantee. The guarantee shall not require the purchase of a manufacturer’s maintenance program, or be voided by AFB personnel conducting routine maintenance tasks such as cleaning debris and unclogging drains.
C. Contractor Guarantee: Contractor shall provide the owner with a two (2) year guarantee covering labor and materials for any defective workmanship, system failure, or premature deterioration of the roofing system.
11. Project requirements
A. Contractor will be required to complete work according to schedule arranged by customer and
Contracting Officer with a Period of Performance (POP) not to exceed 45 days from receipt of delivery order, unless directed otherwise by the Contracting Officer. Time adjustments will be made due to weather.
B. Contractor shall perform work Monday thru Friday from 0600-1700, work outside of these hours must be approved and coordinated with the Project Manager and User.
C. Contractor shall coordinate all work prior to starting the contract and during the performance with the project manager.
D. Contractor shall ensure that the job site is clean and safe before leaving at the end of each workday.
E. The contractor will coordinate with the contracting officer and the project manager to obtain base access badges for the contractor personnel. The contractor is responsible to immediately return all access badges for personnel who no longer work for the contractor. The contractor is responsible to immediately return all access badges after completion of the contract.
F. Quality Assurance: The government will evaluate the contractor’s performance for each project.
G. Government Remedies: The contract officer shall follow the requirements of FAR 52.212-4, contract terms for Commercial Items, for contractor’s failure to correct non-conforming services.
H. Submittals: The contractor shall provide submittals on all materials being installed for approval prior to starting the project.
LINE ITEM UNIT ESTIMATED
QUANTITY
A REMOVE EXISTING 4-PLY BUILT-UP ROOF SF 950
C REMOVE EXISTING INSULATION SF 950
E REMOVE EXISTING GUTTERS AND
DOWNSPOUTS LF 80
I REMOVE EXISTING AGGREGATE OVER BUR SF 950
M SET-UP ( EAVE HEIGHT 15' - 30' ) LS 2
O
INSTALL 2 PLY, MODIFIED BITUMEN ROOF
SYSTEM WITH GRANULATED SBS CAP
SHEET
SF 950
Q INSTALL GALV. METAL COUNTER FLASHING
ON EQUIPMENT AND CURBS LF 220
R INSTALL METAL GRAVEL STOP WITH 6"
FACE LF 200
S INSTALL EXPANSION JOINT LF 18
T INSTALL 5" METAL GUTTERS AND
DOWNSPOUTS LF 80
U INSTALL 3” RIGID INSULATION BOARD SF 2450
HH INSTALL SNOW GUARDS LF 100
II
INSTALL STRUCTURAL STANDING SEAM
METAL ROOF SYSTEM OVER STRUCTURE,
FASTNERS AND CLIPS UP TO 4 IN 12 SLOPE
SF 550
KK APPLY CAULK / SEALANT AS NEEDED LF 300
OO REMOVE EXISTING METAL ROOF SYSTEM LF 550
PP INSTALL 1/2" COVER BOARD SF 1500
Bldg. 507/507 Replace Breezeway Roof
Any changes/addendums, modifications, etc…, to the original SOW must be approved by the Contract Officer; no other parties have approval authority.
R. Shawn Bingham, DAF Project Manager, 75th CES
OPSEC Required? YES (), NO (X)
File details come from the government source that posted it. Updated .