SPECS 040513 DIVISION 04 _ MASONRY - MORTARING.docx
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- Attached to
- Z2DA--ICU-ENDO Window Replacement (436-24-120) Federal contract opportunity
- Solicitation number
- 36C25924R0048
About this file
This federal solicitation requests general contractor services for an ICU/Endo window replacement project. The scope of work involves removing 15 existing casement windows on the third floor of Building 154 at the Fort Harrison VA Medical Center and replacing them with fixed casement aluminum windows. The contractor must follow infection control measures, phase work to accommodate patient care, install window shades, and provide a one-year warranty on all work and materials. The period of performance is 90 days from notice to proceed. The soliciting agency is the Department of Veterans Affairs Veterans Health Administration VISN 19.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| S04 - Site Visit Log Attendance - 14 Feb 24_FE.pdf | ||
| S04 - Site Visit Meeting Doc_FE.docx | DOCX document | |
| 36C25924R0048 0003.docx | DOCX document | |
| S05 - RFIs Site Visit- Responses - ICU Endo Window Replacement - 436-24-120.docx | DOCX document | |
| S02 - 2_436.436-05-102.154.AE102.BUILDINGS 154 - FIRST FLOOR PLAN WINDOW DETAILS.pdf | ||
| 36C25924R0048 0002.docx | DOCX document | |
| 36C25924R0048 0001.docx | DOCX document | |
| PCRA - 436-24-120 Bldg 154 ICU-ENDO Window Replacement.pdf | ||
| SPECS BUILDING ICU-ENDO WINDOW REPLACEMENT.pdf | ||
| DWG SCHEM ICU-ENDO 3rd Floor.pdf | ||
| S02 - ICRA ICU-ENDO WINDOW REPLACEMENT.docx | DOCX document | |
| SPECS 040531 DIVISION 04 _ MASONRY - TUCK POINTING.docx | DOCX document | |
| 36C25924R0048.docx | DOCX document |
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Text version
Environment of Care Phase II 436-SLP-104
SECTION 04 05 13
MASONRY MORTARING
PART 1 GENERAL
1.1 DESCRIPTION:
Section specifies mortar materials and mixes.
1.2 RELATED WORK:
| A. | Mortar used in Section: |
| 1. | Section 04 05 31, MASONRY TUCK POINTING. |
1.3 SUBMITTALS
| A. | Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. |
| B. | Certificates: |
| 2. | Indicating that following items meet specifications: |
| a. | Portland cement. |
| b. | Masonry cement. |
| c. | Mortar cement. |
| d. | Hydrated lime. |
| e. | Fine aggregate (sand). |
| g. | Color admixture (if necessary to match existing). |
| C. | Laboratory Test Reports: |
| 1. | Mortar, each type. |
| 2. | Admixtures. |
| D. | Manufacturer's Literature and Data: |
| 1. | Cement, each kind. |
| 2. | Hydrated lime. |
| 3. | Admixtures. |
| 4. | Liquid acrylic resin. |
1.4 PRODUCT DELIVERY, STORAGE AND HANDLING
| A. | Deliver masonry materials in original sealed containers marked with name of manufacturer and identification of contents. |
| B. | Store masonry materials under waterproof covers on planking clear of ground, and protect damage from handling, dirt, stain, water and wind. |
1.5 APPLICABLE PUBLICATIONS
| A. | Publications listed below form a part of specification to extent referenced. Publications are referenced in text by basic designation only. |
| B. | American Society for Testing and Materials (ASTM): |
| C4004 | Organic Impurities in Fine Aggregates for Concrete |
| C9105 | Masonry Cement |
| C10907 | Compressive Strength of Hydraulic Cement Mortars (Using 2in. or 50MM Cube Specimens) |
| C14404 | Aggregate for Masonry Mortar |
| C150-05 | Portland Cement |
| C20706 | Hydrated Lime for Masonry Purposes |
| C27007 | Mortar for Unit Masonry |
| C307-03 | Tensile Strength of Chemical - Resistant Mortar, Grouts, and Monolithic Surfacing |
| C32100/R05 | Bond Strength of ChemicalResistant Mortars |
| C34802 | Flexural Strength of Hydraulic Cement Mortars |
| C59508 | Blended Hydraulic Cement |
| C78007 | Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry |
| C97905 | Pigments for Integrally Colored Concrete |
| C1329-05 | Mortar Cement |
PART 2 PRODUCTS
2.1 HYDRATED LIME
ASTM C207, Type S.
2.2 AGGREGATE FOR MASONRY MORTAR
| A. | ASTM C144 and as follows: |
| 1. | Light colored sand for mortar for laying face brick. |
| 2. | White plastering sand meeting sieve analysis for mortar joints for pointing |
| B. | Test sand for color value in accordance with ASTM C40. Sand producing color darker than specified standard is unacceptable. Color is to match existing. |
2.3 MORTAR CEMEMT
ASTM C1329, Type N, S or M.
2.4 PORTLAND CEMENT
A. ASTM C150, Type I.
2.5 WATER
Potable, free of substances that are detrimental to mortar, masonry, and metal.
2.6 MASONRY MORTAR
| A. | Conform to ASTM C270. |
| B. | Admixtures: |
| 1. | Do not use mortar admixture and color admixtures unless approved by Resident Engineer. |
| 2. | Submit laboratory test report showing effect of proposed admixture on strength, water retention, and water repellency of mortar. |
| 3. | Do not use antifreeze compounds. |
| C. | Colored Mortar: |
| 1. | Maintain uniform mortar color for exposed work throughout. |
| 2. | Color of mortar for exposed work in alteration work to match color of existing mortar. |
| D. | Color Admixtures: |
| 1. | Proportion as specified by manufacturer. |
| 2. | For color, see Section 09 06 00, SCHEDULE FOR FINISHES. |
2.7 COLOR ADMIXTURE
| A. | Pigments: ASTM C979. |
| B. | Use mineral pigments only. Organic pigments are not acceptable. |
| C. | Pigments inert, stable to atmospheric conditions, nonfading, alkali resistant and water insoluble. |
PART 3 – EXECUTION
3.1 MIXING
| A. | Mix in a mechanically operated mortar mixer. |
| 1. | Mix mortar for at least three minutes but not more than five minutes. |
| B. | Measure ingredients by volume. Measure by the use of a container of known capacity. |
| C. | Mix water with dry ingredients in sufficient amount to provide a workable mixture which will adhere to vertical surfaces of masonry units. |
| D. | Mortar that has stiffened because of loss of water through evaporations: |
| 1. | Re-tempered by adding water to restore to proper consistency and workability. |
| 2. | Discard mortar that has reached its initial set or has not been used within two hours. |
| E. | Pointing Mortar: |
| 1. | Mix dry ingredients with enough water to produce a damp mixture of workable consistency which will retain its shape when formed into a ball. |
| 2. | Allow mortar to stand in dampened condition for one to 1-1/2 hours. |
| 3. | Add water to bring mortar to a workable consistency prior to application. |
3.2 MORTAR USE LOCATION
| A. | For brick veneer over frame back up walls, use Type N portland cement-lime mortar or Type S masonry cement or mortar cement mortar. |
| B. | Use Type N mortar for other masonry work, except as otherwise specified. |
| C. | Use Type N mortar for tuck pointing work. |
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