SLED Opportunity · RHODE ISLAND · RHODE ISLAND (CITY)
AI Summary
City of Rhode Island requests proposals for tuckpointing, power washing, and sealant application services on masonry surfaces. The work includes surface preparation, masonry inspection and repair, and application of salt-resistant sealant to protect historic brick and concrete structures.
Phase I: Surface Preparation & Power Washing ? Protection of Property: Before washing, the Contractor shall mask and protect all windows, doors, electrical conduits, HVAC units, light fixtures, signage, landscaping, and adjacent vehicles from water intrusion and chemical overspray. ? Cleaning Method: High-pressure power washing shall be used to remove all dirt, grime, atmospheric staining, mold, mildew, and efflorescence. ? Pressure/Temperature Control: Water pressure must be strictly regulated to prevent damage to historic or aging brick and concrete. Hot water/steam may be used if required to lift stubborn contaminants. ? Chemical Cleaners: If chemical cleaning agents or efflorescence removers are required, they must be biodegradable, non-acidic (unless approved for specific masonry types), and thoroughly rinsed away to leave no residue. Phase II: Masonry Inspection & Tuckpointing ? Inspection: The Contractor and a designated Rock Island Fire Department representative shall inspect the masonry to identify areas requiring mortar repair. ? Mortar Removal: Defective, cracked, loose, or weathered mortar joints shall be raked or ground out to a minimum depth of ½ inch, or until sound mortar is reached. Mechanical grinding wheels must not damage the surrounding brick edges. ? Joint Preparation: All debris and dust must be brushed or blown out of the joints before applying new mortar. ? Mortar Application: New mortar must be packed tightly into joints in layers. The mortar type must match the existing mortar in both compressive strength and color. ? Finishing: Joints shall be struck and tooled to match the original profile (e.g., concave, V joint) and brushed clean. Phase III: Salt-Resistant Sealant Application ? Material Specification: The sealant must be a premium-grade, deep-penetrating, breathable Silane, Siloxane, or Silane/Siloxane blend water repellent. It must be explicitly rated to resist chloride ion intrusion (road salts, deicers) and water penetration while allowing subsurface moisture vapor to escape. ? Application: Apply sealant strictly according to the manufacturer’s technical data sheet (flood-coat method via low-pressure sprayer followed by back-rolling, ensuring uniform coverage). ? Coverage: Ensure no overlapping streaks, runs, or puddles are left on the masonry surface. Please see full RFQ for additional details.
SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.
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