CONCRETE FLOOR REHABILITATION WORK-Model.pdf
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- Solicitation number
- SP4702-22-R-0011
- Issued by
-
Defense Logistics Agency
About this file
This document contains a federal contract opportunity solicitation for safety improvements at a Defense Supply Center facility. The solicitation seeks a contractor to perform concrete floor rehabilitation work including saw cutting, removing damaged concrete, installing a gravel base and reinforced concrete, finishing the new concrete to match existing surfaces, and applying sealants. The work must be completed within 540 calendar days of the notice to proceed. The opportunity is set aside exclusively for small businesses with a NAICS code of 238220 and size standard of $16.5 million. Proposals are due by 1:00 PM Eastern on August 22, 2022 and the award will be made to the lowest priced technically acceptable proposal based on evaluation of past performance, technical construction capability, and staff qualifications. A pre-proposal site visit will take place on August 1, 2022 and interested parties must register in advance and have valid identification to enter the secure Defense Supply Center facility.
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Text version
typical PATCHING WORK FOR NON-LOADED FLOOR AREA
ELEVATION A
PLAN A
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EXISTING CONCRETE
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SURFACE
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SELECT BACK FILL
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MATERIAL
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SAW CUT
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( TYP. )
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SEE NOTE 4
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INSTALL BACKFILL ODOT #304 CRUSHED LIMESTONE GRAVEL AND COMPACT 98%
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APPLY 5000 PSI CONCRETE AND FINISH FLOOR TO MATCH EXISTING
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SOW NOTES FOR FLOOR REHABILITATION WORK OR DEPRESSION AREAS.
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2. APPLY PRIME EPOXY CONCRETE OVER DECONSTRUCTED AREA PRIOR TO INSTALL
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NEW CONCRETE
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4. INSTALL 12" BASE OF 6" EACH DEEP PLUS 6" 5000 PSI REINFORCED CONCRETE ON
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A 6" COMPACTED GRAVEL ODOT 304 BASE COURSE 98%%% OF DRY DENSITY.
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5. SURFACE BE SMOOTH AND FLASH AND FINISHED TO MATCH EXISTING.
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3. APPLY CONCRETE BONDIND ADHESIVE ALONG THE EXISTING CONCRETE SLAB SAWCUT EDGES
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%%UCONCRETE NOTES
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1. ALL CONCRETE WORK SHALL CONFORM TO THE REQUIREMENTS OF ACI 318 (CURRENT EDITION)
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FIELD OFFICE AT ALL TIMES THROUGHOUT THE COURSE OF THE PROJECT.
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2. ALL CONCRETE SHALL BE NORMAL WEIGHT AND WITH A MINIMUM 28-DAY COMPRESSIVE
AutoCAD SHX Text STRENGTH OF 4000 PSI FOR INTERIOR SLAB-ON-GRADE AND 4000 PSI FOR COLUMN PEDESTAL, AutoCAD SHX Text FOOTINGS, AND FOUNDATIONS. ALL EXTERIOR CONCRETE SHALL BE 5OOO PSI WITH 5-7%%% AIR
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ENTRAINMENT UNLESS OTHERWISE SPECIFIED.
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3. CEMENT SHALL CONFORM TO ASTM C150, TYPE I. USE ONLY ONE BRAND OF CEMENT FOR ALL
AutoCAD SHX Text APPLICATIONS EXPOSED TO VIEW. AGGREGATES SHALL CONFORM TO ASTM C33 (REGULAR WEIGHT).
AutoCAD SHX Text ALL CONCRETE SHALL CONTAIN A WATER REDUCING ADMIXTURE. NO CALCIUM CHLORIDE SHALL BE
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USED IN ANY CONCRETE.
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4. IF EXISTING REINFORCING BARS OR MASH SHALL REMAIN IN PLACE IN 1-1/2" BOTTOM PORTION OF
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NON-LOADED FLOOR AREA.
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IN FACE OF EXISTING SLAB
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1. SAWCUT AROUND THE DECONSTRUCTED AREA OR HOLE EDGES OF THE DAMAGED CONCRETE SLAB
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CONCRETE SLAB.
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INSTALL NEW 12" BASE OF 6" DEEP
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PLUS 6" 5000 PSI CONCRETE REINFORCED
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ON A 6" COMPACTED ODOT 304
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BASE COURSE 98%%% OF DRY DENSITY
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INSTALL NEW 12" BASE OF 6" DEEP
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PLUS 6" 5000 PSI CONCRETE REINFORCED
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ON A 6" COMPACTED ODOT 304
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BASE COURSE 98%%% OF DRY DENSITY
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EPOXY RESIN
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SAW CUT
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( TYP. )
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EXISTING DAMAGED
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CONCRETE EDGE
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