San Jacinto Community College Ionwave #CSP 27-04 Addendum 1

Building N1 Roof Restoration and Exterior-Envelope Repairs

San Jacinto Community College District is seeking proposals for roof restoration and targeted exterior-envelope repairs at its North Campus Fine Arts Building (N1) in Houston, Texas. - Government buyer: San Jacinto Community College District (SJCCD), with project offices identified as Facilities Procurement, Capital Projects and Facilities Services, and Fiscal Initiatives & Capital Projects. The solicitation identifies Genevieve Scholes as Facilities Buyer; the agreement template names Teri Zamora, Vice Chancellor, Fiscal Affairs. - Primary work: Restore and recoat approximately 48,532 square feet of existing modified-bitumen roofing (also described as approximately 50,000 square feet) with a silicone coating system, including preparation and primer. Repair selected roof and exterior-envelope components, including flashing, coping, masonry, blocking, sealants, and roof drains. Building N12 is excluded from the project scope. - Named manufacturers/OEMs: GAF is the roof-coating basis of design. Other manufacturers or acceptable equals named in the specifications include Henry Company, Johns Manville, Sika, OMG Roofing Products, The BILCO Company, Acudor Products, JL Industries, and Karp Associates. No part numbers are stated for the coating products; the roof-hatch railing is identified as Model RL2-S. - Specified materials and systems: GAF Unisil High Solids Silicone Roof Coating, GAF Unisil Silicone Mastic, GAF Premium Fabric, GAF Seam Tape, and GAF Multi-Purpose Primer; a GAF SKY-LITE clear sealer or Sika Decothane Clearglaze for translucent panels; retrofit roof-drain inserts based on GAF Everguard Hercules-Plus Drains or OMG Roofing Products Hercules-Plus RetroDrain; and a Bil-Guard 2.0 roof-hatch railing by The BILCO Company or an approved equal. Other work includes aluminum fascia/coping, stainless-steel flashing, polyiso insulation and compatible modified-bitumen roofing where wet insulation is removed, masonry repair materials, wood blocking and sheathing, and exterior joint sealants. - Notable requirements: The proposed roof system must carry a 20-year no-dollar-limit (NDL) warranty. A designated on-site representative with current OSHA 30 construction-safety training must be present whenever work is underway. The contractor must field-verify retrofit roof-drain insert quantities and sizes. The plans specify approximately 46 mils dry coating thickness in the roof field and include system-specific application rates; granule treatment is limited to designated walkway areas. Coordinate the tinted silicone safety-stripe color with the proposed coating manufacturer, using the referenced GAF color standard. - Quantities and pricing: Roof area is approximately 48,532 square feet in the initial project summary and approximately 50,000 square feet in the proposal documents. The estimated project value is approximately $800,000, including a stated $100,000 contingency allowance. Separate unit-price work is requested for masonry-joint sealant replacement per linear foot and masonry repointing per square foot; quantities are not provided. - Moisture survey note: The project manual references 1,302 square feet of wet area across N12 and Fine Arts roofs. This is a survey finding, not a stated Building N1 replacement quantity. - Schedule: Construction is planned for late 2026 through spring 2027, with substantial completion required within 150 calendar days after the Notice to Proceed. No option years or recurring subscription are identified.

Description

San Jacinto Community College District is requesting competitive sealed proposals for roof and envelope repairs at the Fine Arts Building (Building N1) on its North Campus. The work includes restoring and recoating approximately 50,000 square feet of existing modified-bitumen roofing with a silicone roof coating system, including surface preparation and primer, as well as targeted exterior envelope repairs. The N12 Building roof is excluded; wet-insulation replacement is limited to the areas identified in the project documents. The estimated project value is approximately $800,000, and proposals must be submitted through IonWave by November 3, 2026, at 2:00 p.m. CT.

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