ESBD_487719_1770827573361_PM-1414_Addendum No. [#1]_SOW Clarification.pdf
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- Solicitation number
- PM-1414
- Issued by
- Burleson County, Texas
About this file
This is an Addendum to a Scope of Work for roofing projects at West Texas A&M University (WTAMU) facilities in Texas. The document outlines nine base proposals organized into three work packages that address roof replacement and repair across multiple campus buildings. Package I encompasses five proposals for single-ply and modified bitumen roof systems at the Classroom Center, Jack B. Kelly Student Center (multiple sections), and Cornette Library, involving removal of existing roof systems, installation of polyisocyanurate insulation boards, cover boards, and two-ply modified bitumen systems with hot air welded seams. Package II includes two proposals for alternative roofing systems: architectural composition shingles at Connor Hall and polycarbonate panels at the Greenhouses. Package III covers two proposals for the Panhandle Plains Historical Museum, including a roof coating system with power washing and repairs, and a modified bitumen system replacement. All proposals require work to be performed in accordance with NRCA, SMACNA, and ANSI/SPRI standards, with HVAC and electrical piping disconnect and reconnection, and gas line testing and certification by a master or licensed plumber.
All roofing projects include specific warranty provisions, with most proposals offering a twenty-year Non-Delegable Liability (NDL) manufacturer's warranty and a two-year contractor's warranty, except for Package II and the coating work in Package III, which provide only two-year contractor's warranties. Metal components including flashings, coping caps, and accessories are to be prefinished and selected by the owner from available color options, with some proposals specifying aluminum to match existing materials. The document does not specify pricing terms, set-asides, funding sources, response deadlines, or contract award dates. Installation requirements vary by building and roof section based on existing deck composition, ranging from lightweight concrete and gypsum decks to metal decks, with corresponding variations in insulation specifications and attachment methods.
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SCOPE OF WORK PACKAGE I:
BASE PROPOSAL 1 – WTAMU CLASSROOM CENTER – SINGLE-PLY – ROOF
SECTIONS (A2, A3, B2, B3, C2, & D2)
• WORK SHALL INCLUDE REMOVAL OF THE EXISTING ROOF SYSTEM DOWN TO
LIGHTWEIGHT CONCRETE DECK.
• MECHANICALLY FASTEN A VENTING BASE SHEET TO THE DECK AS PER ASCE 7
CRITERIA.
• PROVIDE A TWO INCH (2”) POLYISOCYANURATE INSULATION BOARD SET IN
SPECIFIED ADHESIVE.
• PROVIDE A ONE-QUARTER INCH (1/4”) PER FOOT TAPERED POLYISOCYANURATE
SYSTEM SET IN SPECIFIED ADHESIVE.
• INSTALL ALL ASSOCIATED CRICKETS SET IN SPECIFIED ADHESIVE AS NOTED ON
ROOF PLANS.
• PROVIDE A ONE-HALF INCH (1/2”) COVER BOARD SET IN SPECIFIED ADHESIVE.
• PROVIDE A NEW TWO-PLY MODIFIED BITUMEN ROOF SYSTEM SET IN COLD
APPLIED ADHESIVE. ALL END AND SIDE LAPS TO BE HOT AIR WELDED.
• PROVIDE A TWENTY (20) YEAR NDL MANUFACTURER ’S WARRANTY AND A TWO
(2) YEAR CONTRACTOR ’S WARRANTY.
• NEW METAL SHALL BE PREFINISHED, SELECTED BY THE OWNER FROM A FULL
RANGE OF COLORS.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
DETAILS AND MANUFACTURER’S GUIDELINES.
• ALL GAS LINES TO BE TESTED AND CERTIFIED BY A MASTER PLUMBER.
BASE PROPOSAL 2 – WTAMU JACK B. KELLY STUDENT CENTER – SINGLE PLY
- ROOF SECTION J & J1
THE STRUCTURAL CONCRETE DECK.
• PROVIDE A TWO INCH (2”) POLYISOCYANURATE INSULATION BOARD SET IN
SPECIFIED ADHESIVE.
• PROVIDE A ONE-QUARTER INCH (1/4”) PER FOOT TAPERED POLYISOCYANURATE
SYSTEM SET IN SPECIFIED ADHESIVE.
• INSTALL ALL ASSOCIATED CRICKETS SET IN SPECIFIED ADHESIVE AS NOTED ON
ROOF PLANS.
• PROVIDE A ONE-HALF INCH (1/2”) COVER BOARD SET IN SPECIFIED ADHESIVE.
• PROVIDE A NEW TWO-PLY MODIFIED BITUMEN ROOF SYSTEM SET IN COLD
APPLIED ADHESIVE. ALL END AND SIDE LAPS TO BE HOT AIR WELDED.
• PROVIDE A TWENTY (20) YEAR NDL MANUFACTURER ’S WARRANTY AND A TWO
(2) YEAR CONTRACTOR ’S WARRANTY.
• NEW METAL SHALL BE ALUMINUM TO MATCH EXISTING GAUGE AND FINISH.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
BASE PROPOSAL 3 – WTAMU JACK B. KELLY STUDENT CENTER – SINGLE PLY
– ROOF SECTION L
THE GYPSUM DECK.
• MECHANICALLY FASTEN A VENTING BASE SHEET TO THE DECK AS PER ASCE 7
CRITERIA.
• PROVIDE A TWO INCH (2”) POLYISOCYANURATE INSULATION BOARD SET IN
SPECIFIED ADHESIVE.
• PROVIDE A ONE-QUARTER INCH (1/4”) PER FOOT TAPERED POLYISOCYANURATE
SYSTEM SET IN SPECIFIED ADHESIVE.
• INSTALL ALL ASSOCIATED CRICKETS SET IN SPECIFIED ADHESIVE AS NOTED ON
ROOF PLANS.
• PROVIDE A ONE-HALF INCH (1/2”) COVER BOARD SET IN SPECIFIED ADHESIVE.
• PROVIDE A NEW TWO-PLY MODIFIED BITUMEN ROOF SYSTEM SET IN COLD
APPLIED ADHESIVE. ALL END AND SIDE LAPS TO BE HOT AIR WELDED.
• PROVIDE A TWENTY (20) YEAR NDL MANUFACTURER ’S WARRANTY AND A TWO
(2) YEAR CONTRACTOR ’S WARRANTY.
• NEW METAL SHALL BE ALUMINUM TO MATCH EXISTING GAUGE AND FINISH.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
BASE PROPOSAL 4 – WTAMU JACK B. KELLY STUDENT CENTER – SINGLE PLY
- ROOF SECTIONS (A1, B1, C1, D1, E, F, G, H, & K)
THE METAL DECK.
• MECHANICALLY FASTEN (2) LAYERS OF TWO INCH (2”) POLYISOCYANURATE
INSULATION BOARD TO THE DECK AS PER ASCE 7 CRITERIA.
• INSTALL ALL ASSOCIATED CRICKETS SET IN SPECIFIED ADHESIVE AS NOTED ON
ROOF PLANS.
• PROVIDE A ONE-HALF INCH (1/2”) COVER BOARD SET IN SPECIFIED ADHESIVE.
• PROVIDE A NEW TWO-PLY MODIFIED BITUMEN ROOF SYSTEM SET IN COLD
APPLIED ADHESIVE. ALL END AND SIDE LAPS TO BE HOT AIR WELDED.
• PROVIDE A TWENTY (20) YEAR NDL MANUFACTURER ’S WARRANTY AND A TWO
(2) YEAR CONTRACTOR ’S WARRANTY.
• NEW METAL SHALL BE ALUMINUM TO MATCH EXISTING GAUGE AND FINISH.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
BASE PROPOSAL 5 – WTAMU CORNETTE LIBRARY – SINGLE-PLY – ROOF
SECTIONS (A, B, C, & D)
LIGHTWEIGHT CONCRETE DECK.
• MECHANICALLY FASTEN A VENTING BASE SHEET TO THE DECK AS PER ASCE 7
CRITERIA.
• PROVIDE TWO LAYERS OF TWO INCH (4 ”) POLYISOCYANURATE INSULATION
BOARD SET IN SPECIFIED ADHESIVE.
• INSTALL ALL ASSOCIATED CRICKETS SET IN SPECIFIED ADHESIVE AS NOTED ON
ROOF PLANS.
• PROVIDE A ONE-HALF INCH (1/2”) COVER BOARD SET IN SPECIFIED ADHESIVE.
• PROVIDE A NEW TWO-PLY MODIFIED BITUMEN ROOF SYSTEM SET IN COLD
APPLIED ADHESIVE. ALL END AND SIDE LAPS TO BE HOT AIR WELDED.
• PROVIDE A TWENTY (20) YEAR NDL MANUFACTURER ’S WARRANTY AND A TWO
(2) YEAR CONTRACTOR’S WARRANTY.
• NEW METAL SHALL BE PREFINISHED, SELECTED BY THE OWNER FROM A FULL
RANGE OF COLORS.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
SCOPE OF WORK PACKAGE II:
BASE PROPOSAL 6 – WTAMU CONNOR HALL – SHINGLES – ROOF SECTION A
• WORK SHALL INCLUDE REMOVAL OF THE EXISTING SHINGLE ROOF SYSTEM
DOWN TO THE DECK.
• PROVIDE NEW SYNTHETIC UNDERLAYMENT.
• PROVIDE ALL ASSOCIATED SHEET METAL AND ACCESSORIES.
• PROVIDE NEW ARCHITECTURAL COMPOSITION SHINGLES.
• REMOVE AND REPLACE ALL FLASHINGS.
• PROVIDE A TWO (2) YEAR CONTRACTOR’S WARRANTY.
• NEW METAL SHALL BE PREFINISHED, SELECTED BY THE OWNER FROM A FULL
RANGE OF COLORS.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
BASE PROPOSAL 7 – WTAMU GREENHOUSES – POLYCARBONATE PANELS – ROOF
SECTIONS (A, B, & C)
• WORK SHALL INCLUDE REMOVAL OF THE EXISTING POLYCARBONATE PANELS.
• PROVIDE NEW POLYCARBONATE ROOF SYSTEM PER LIKE, KIND, AND QUALITY.
• PROVIDE NEW ROOF ACCESSORIES TO MATCH EXISTING SIZE AND STYLE.
• NEW METAL SHALL BE PREFINISHED, SELECTED BY THE OWNER FROM A FULL
RANGE OF COLORS.
• PROVIDE A TWO (2) YEAR CONTRACTOR’S WARRANTY.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
SCOPE OF WORK PACKAGE III:
BASE PROPOSAL 8 – WTAMU PANHANDLE PLAINS HISTORICAL MUSEUM – ROOF
COATING – ROOF SECTIONS (A, B, B1, B2, C, G, H, J, K, L & M)
• WORK SHALL INCLUDE POWER WASHING THE EXISTING MODIFIED BITUMEN
ROOF SYSTEM .
• MAKE ALL NECESSARY REPAIRS TO ANY AND ALL DEFICIENCIES BEFORE
INSTALLING THE BASE LAYER OF COATING
• INSTALL NEW COATING AS PER THE MANUFACTURER ’S WRITTEN
INSTRUCTIONS AND SPECIFIED RATES.
• PROVIDE A TWO (2) YEAR CONTRACTOR'S WARRANTY.
• NEW METAL COPING CAP AND ACCESSORIES SHALL BE PREFINISHED,
SELECTED BY THE OWNER FROM A FULL RANGE OF COLORS INCLUDING
PREMIUM AND METALLICS.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
DETAILS AND MANUFACTURER'S GUIDELINES. ALL GAS LINES TO BE TESTED
AND CERTIFIED BY A LICENSED PLUMBER.
BASE PROPOSAL 9 – WTAMU PANHANDLE PLAINS HISTORICAL MUSEUM – MODIFIED
BITUMEN – ROOF SECTIONS (D, E, & F)
THE LIGHTWEIGHT CONCRETE DECK.
• MECHANICALLY FASTEN A VENTING BASE SHEET TO THE DECK AS PER ASCE 7
CRITERIA.
• PROVIDE A THREE-QUARTER INCH (3/4”) PERLITE INSULATION BOARD SET IN
SPECIFIED ADHESIVE.
• INSTALL ALL ASSOCIATED CRICKETS SET IN SPECIFIED ADHESIVE AS NOTED ON
ROOF PLANS.
• PROVIDE A ONE-HALF INCH (1/2”) COVER BOARD SET IN SPECIFIED ADHESIVE.
• PROVIDE A NEW TWO-PLY MODIFIED BITUMEN ROOF SYSTEM SET IN COLD
APPLIED ADHESIVE. ALL END AND SIDE LAPS TO BE HOT AIR WELDED.
• PROVIDE A TWENTY (20) YEAR NDL MANUFACTURER ’S WARRANTY AND A TWO
(2) YEAR CONTRACTOR’S WARRANTY.
• NEW METAL SHALL BE PREFINISHED, SELECTED BY THE OWNER FROM A FULL
RANGE OF COLORS.
• WORK SHALL ALSO INCLUDE ALL HVAC AND ELECTRICAL, PIPING DISCONNECT
AND RECONNECTION.
• INSTALLATION SHALL BE AS PER NRCA, SMACNA, ANSI/SPRI, SPECIFICATIONS,
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