030130 - Maintenance of Cast-In-Place Concrete.pdf
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- Attached to
- Replace AHU6-10 and Hydronic Piping at the Memphis ARTCC located at 3229 Democrat Road, Memphis, TN
- Solicitation number
- 697DCK-23-R-00484
About this file
This document provides specifications for maintenance of cast-in-place concrete at the Memphis ARTCC located at 3229 Democrat Road in Memphis, Tennessee. The project involves replacing air handling units 6-10 and hydronic piping. Products required include a low-viscosity, high-molecular-weight methacrylate polymer sealer and crack filler with a VOC content of 100 g/L or less. Preparation work encompasses cleaning, protecting surrounding surfaces, containing dust and debris, and preparing concrete surfaces for sealer or composite structural reinforcement application. The solicitation number is 697DCK-23-R-00484 and was issued by the Department of Transportation Federal Aviation Administration New England Region for this project to replace air handling equipment and piping at the Memphis air traffic control facility.
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AHU 6-10 REPLACEMENT JULY 2022
MEMPHIS, TN FAA-ZME-1800750
MAINTENANCE OF CAST-IN-PLACE CONCRETE 030130 - 1
SECTION 030130 - MAINTENANCE OF CAST-IN-PLACE CONCRETE
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section Includes:
1. Polymer sealers.
1.3 ACTION SUBMITTALS
A. Product Data: For each type of product.
1. Include construction details, material descriptions, chemical composition, physical properties, test data, and mixing, preparation, and application instructions.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Source Limitations: For repair products, obtain each color, grade, finish, type, and variety of product from single source and from single manufacturer with resources to provide products of consistent quality in appearance and physical properties.
2.2 POLYMER-SEALER MATERIALS
A. Methacrylate Polymer Sealer: Low-viscosity, high-molecular-weight methacrylate, penetrating sealer and crack filler recommended by manufacturer for penetrating and sealing cracks in exterior concrete traffic surfaces; VOC content 100 g/L or less.
PART 3 - EXECUTION
3.1 PREPARATION
A. Ensure that supervisory personnel are on-site and on duty when concrete maintenance work begins and during its progress.
AHU 6-10 REPLACEMENT JULY 2022
MEMPHIS, TN FAA-ZME-1800750
MAINTENANCE OF CAST-IN-PLACE CONCRETE 030130 - 2
B. Protect persons, motor vehicles, surrounding surfaces of building being repaired, building site, plants, and surrounding buildings from harm resulting from concrete maintenance work.
1. Comply with each product manufacturer's written instructions for protections and precautions. Protect against adverse effects of products and procedures on people and adjacent materials, components, and vegetation.
2. Use only proven protection methods appropriate to each area and surface being protected.
3. Provide temporary barricades, barriers, and directional signage to exclude public from areas where concrete maintenance work is being performed.
4. Erect temporary protective covers over walkways and at points of pedestrian and vehicular entrance and exit that must remain in service during course of concrete maintenance work.
5. Contain dust and debris generated by concrete maintenance work and prevent it from reaching the public or adjacent surfaces.
6. Use water-mist sprinkling and other wet methods to control dust only with adequate, approved procedures and equipment that ensure that such water will not create a hazard or adversely affect other building areas or materials.
7. Protect floors and other surfaces along haul routes from damage, wear, and staining.
8. Provide supplemental sound-control treatment to isolate removal and dismantling work from other areas of the building.
9. Protect adjacent surfaces and equipment by covering them with heavy polyethylene film and waterproof masking tape[ or a liquid strippable masking agent]. If practical, remove items, store, and reinstall after potentially damaging operations are complete.
10. Neutralize and collect alkaline and acid wastes for disposal off Owner's property.
11. Dispose of debris and runoff from operations by legal means and in a manner that prevents soil erosion, undermining of paving and foundations, damage to landscaping, and water penetration into building interiors.
C. Existing Drains: Prior to the start of work in an area, test drainage system to ensure that it is functioning properly. Notify Architect immediately of inadequate drainage or blockage. Do not begin work in an area until the drainage system is in working order.
1. Prevent solids such as aggregate or mortar residue from entering the drainage system.
Clean out drains and drain lines that become sluggish or blocked by sand or other materials resulting from concrete maintenance work.
2. Protect drains from pollutants. Block drains or filter out sediments, allowing only clean water to pass.
D. Nonacidic Surface Preparation for Sealers: Clean concrete to remove dirt, oils, films, and other materials detrimental to sealer application.
E. Surface Preparation for Composite Structural Reinforcement: Clean concrete where
3.2 APPLICATION OF POLYMER SEALER
A. Apply polymer sealer by brush, roller, or airless spray at manufacturer's recommended application rate.
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