MODIFICATION
Z -- Ft Hall CMU Sealing & Repointing
- Notice Date
- 7/31/2014
- Notice Type
- Modification/Amendment
- NAICS
- 238140
— Masonry Contractors
- Contracting Office
- Department of Health and Human Services, Indian Health Service, DHHS/IHS/ Division of Engineering Services, 2201 6th Avenue, Mail Stop RX-24, Seattle, Washington, 98121
- ZIP Code
- 98121
- Solicitation Number
- IHS7312014
- Archive Date
- 9/30/2014
- Point of Contact
- Casey B. LaFran, Phone: 206-615-2462
- E-Mail Address
-
casey.lafran@des.ihs.gov
(casey.lafran@des.ihs.gov)
- Small Business Set-Aside
- Total Small Business
- Description
- This is a pre-solicitation notice. The RFQ will be available on or around 8/11/14, on www.fbo.gov, under this solicitation number: IHS7312014 This project is for maintenance and repair services including all labor, materials and equipment necessary to repair damaged concrete curbs, stairs, and sidewalk. The estimated value of this project is less than $25,000.The project site is approximately 10 miles north of Pocatello, ID. The GPS coordinates of the Clinic are 43.0269°N 112.4278°W. Not-tsoo Gah-nee Indian Health Center 717 Mission Road Fort Hall, ID 80203-0717 A recent facility inspection found several areas of deteriorating mortar on the clinic's concrete masonry unit (CMU) exterior. The Not-tsoo Gah-nee Indian Health Center (Clinic) is part of the Fort Hall Service Unit and is owned and operated by the Indian Health Service (IHS). The clinic was constructed in 1991. The exterior of the clinic is comprised of mostly burnished concrete masonry units (CMU) with small portions of stucco and Spectra-Glaze masonry units. The bottom portion and around wall openings of the CMU was painted in 2012. The remaining CMU has never been sealed. Repointing and other repairs are required in numerous locations. The existing mortar is ASTM C270, type S, and compressive strength (f'm) of 1800 psi. C.Work Summary 1.Clean approximately 11,300 square feet of exterior CMU surface (painted and unpainted, including above the north and east entrances). 2.Repoint approximately 280 linear feet of mortar joint. 3.Remove and replace approximately 150 linear feet of joint sealant. 4.Fill holes and repair damaged CMU blocks. 5.Apply a water repellant sealant to approximately 7,500 square feet (the unpainted portion) of exterior CMU surface.   II.Technical Requirements A.Codes, References, and Standards Work under this contract shall be performed in compliance with the codes, references, and standards listed below. 1.ASTM C270 - Standard Specification for Mortar for Unit Masonry 2.ASTM C920 - Standard Specification for Elastomeric Joint Sealants 3.ASTM C1193 - Standard Guide for Use of Joint Sealants 4.Brick Industry Association Technical Notes 7F - Moisture Resistance of Brick Masonry Maintenance 5.Brick Industry Association Technical Notes 20 - Cleaning Brickwork B.Submittals The Contractor shall provide submittals on the items listed below. COR approval is required before proceeding with the portion of work the submittal applies to. 1.Pre-Construction a.Construction Schedule b.Safety and Accident Prevention Plan c.Proposed CMU Cleaning Procedure 2.Material For each submittal below, include technical information, specification sheets, and installation instructions. a.Mortar b.Joint sealant c.Hole sealant d.CMU Sealant 3.Post - Construction a.Product Warranties C.Material Specifications 1.Mortar a.Closely matches existing mortar color and texture b.ASTM C270, type S c.Compressive strength (f'm) of 1800 psi 2.Joint Sealant a.Closely matches existing joint sealant color and texture b.A one-part, solvent based acrylic sealant complying with ASTM C920 for Type S; Grade NS c.Tremco Mono 555 or approved equal 3.Hole Sealant a.Stiff concrete or a mixture of one part Portland cement to three parts sand b.Closely matches adjacent block in color 4.CMU Sealant a.Water repellant b.Water based, VOC compliant, clear acrylic sealer for use on CMU walls c.Does not give the CMU a "wet" appearance d.Concrete Coatings, Inc. Dri-Look Masonry Sealer or approved equal e.Alternative products must be submitted to the Contracting Officer for consideration no later than five (5) days prior to bid opening D.Quality Assurance 1.None E.Work Execution Requirements 1.General a.Perform work at locations indicated on the drawings. b.Notify the COR if additional areas needing repointing, sealing, or filling are found. c.In the event the existing CMU paint is damaged while performing this work, the block shall be repainted. The existing paint is Sherwin Williams DuraCraft Exterior Acrylic Latex in satin and color SW 6005, Folkstone.   2.Clean CMU Exterior a.If necessary, move obstructions to access CMU. b.Clean entire CMU exterior in accordance with Brick Industry Association Technical Notes 20. c.Remove dirt, dust, grease, oil, loose particles, laitance, foreign material, coatings, mildew, efflorescence, etc. d.Test procedures and solutions on a sample area of approximately 20 square feet to assure the procedure is effective and does not damage the CMU. e.No acid or acid based solutions will be permitted to clean CMU. f.Mask and protect areas adjacent to the CMU surface. 3.Repoint Mortar Joints a.Where indicated on the drawings, rake or grind back to a depth of two times the joint height or until sound mortar is reached with a minimum of 0.75 inch from the intended mortar surface. b.Approximately one hour prior to repointing, hose down the wall to remove debris and wet the CMU. c.Prepare and place the mortar in accordance with Brick Industry Association Technical Notes 7F and the repointing appendix of ASTM C270. 4.Replace Joint Sealant at Control Joint a.Where indicated on the drawings, remove all old sealant materials. b.Prime the joint and install a closed cell or reticulated polyethylene backer rod material. c.Install new sealant material in accordance with the manufacturer's recommendations and the requirements of ASTM C1193 for use of solvent release curing sealants. 5.Fill Holes a.Fill holes where indicated on the drawings. b.Apply filler in accordance with the manufacturer's recommendations.   6.Apply CMU Sealant a.Begin only after all other work is completed and approved in writing by the COR. b.Apply sealant to all unpainted CMU block including above the north and east entrances. c.Apply according to the manufacturer's instructions. d.Mask or otherwise protect all areas not intended to be sealed. e.End sealant application on a corner joint or mask joint at the end of each work day or at each interruption of work to ensure all CMU is sealed and provide an even appearance.
- Web Link
-
FBO.gov Permalink
(https://www.fbo.gov/spg/HHS/IHS/IHS-Seattle/IHS7312014/listing.html)
- Place of Performance
- Address: Not-tsoo Gah-nee Indian Health Center, 717 Mission Road, Fort Hall, Idaho, 80203-0717, United States
- Zip Code: 80203-0717
- Zip Code: 80203-0717
- Record
- SN03444524-W 20140802/140731235145-f3f925723c19dc8f595db2840934b7c4 (fbodaily.com)
- Source
-
FedBizOpps Link to This Notice
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