6973GH-20-R-00145 Amendment 0001 Revisions.docx
DOCX document 19 KB Posted
- Solicitation number
- 6973GH-20-R-00145
View the file
Other files
Show all 15
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
6973GH-20-R-00145 Amendment 0001 Revisions
1. Remove “urethane based” from the Specifications, SEC 07 56 00, Part 1, 7.1.0 - Scope, sentence one, and 7.1.1 – Sequence of Operation for VOR Elastomeric Installation item 6.
2. In the specifications, replace SECTION 07 56 00 – FLUID APPLIED ROOFING Part 2 in its entirety with the elastomeric performance spec. listed on pages 2-4 of this document.
3. Contract Drawing ALB-1004541-G005: General note 24: Replace with “The FAA will assist the Contractor in removal and installation of teepee”.
4. Contract Drawing ALB-1004541-G005: General note 25: Replace “250 SQ. FT.” with “500 SQ. FT.”
5. Contract Drawing ALB-1004541-G005: Government Furnished Material note 3: Replace the phrase “Contractor shall” with “FAA will”.
6. Contract Drawing ALB-1004541-D001, Detail A/D001, drawing zone C6, remove “Rosin Paper” from callout note “Contractor to remove: rosin paper, board insulation, and single ply membrane to metal roof.”
7. Contract Drawing ALB-1004541-D001, Detail A/D001, drawing zone B3, Remove callouts “Remove terne roofing (existing)” and “Remove terneplate and hold down clamps from antenna pedestal plate (soldered and screwed)”.
8. Contract Drawing ALB-1004541-A005, Notes 5 and 6, replace “250 SQ.FT.” with “500 SQ.FT.”
9. Contract Drawing ALB-1004541-A005, replace Note 10, with “Not Used”.
10. Contract Drawing ALB-1004541-E001, Detail 3/E001, replace note under title “16 oz. copper sheet .021”thick x 4” wide x 4” long (four required) with “20 oz. copper sheet, (four required)”.
SECTION 07 56 00 – FLUID APPLIED ROOFING
PART 2 – PRODUCTS (REVISED)
7.2.01 Rubber Roof Coating
A. Rubber roof coating products physical specifications and minimum performance criteria shall be in accordance with the following schedules:
1. NEOPRENE FLASHING CEMENT
| TEST | ASTM | RESULT | |||
| Elongation at 77 deg. F. ASTMD412 | ASTM D412 | 400% | |||
| Recovery from 100% Elongation | 100% | ||||
| Tensile Strength ASTM D412 | ASTM D412 | 600 psi Min. |
ADHESIVE BOND Aluminum Q-Panels
| Method A D3359-90 | D3359-90 | 5-highest rating | |||
| Method B D3359-90 | D3359-90 | 5-highest rating | |||
| PLIABILITY @J 0 deg.F.-180 deg. bend | |||||
| D2823-90 | D2823-90 | ||||
| 1 inch mandrel | no cracking or separation | ||||
| 1/4 inch mandrel | no cracking or separation | ||||
| WATER VAPOR PERMEABILITY | |||||
| E96-80 | E96-80 | 0.15 perms |
2. BRUSH GRADE SEAM SEALER
| TEST | ASTM | RESULT | ||
| Elongation @ 77 deg. F. | ASTM D412 | 600% | ||
| Elongation @ 32 deg. F. | ASTM D412 | 300 % |
Recovery from 100% Elongation 100%
| Tensile Strength | ASTM D412 | 1500 psi | ||
| Viscosity | ASTM D562 | 135-143 K.U. |
| 3. | RUBBER COATING | ||
| TEST | ASTM | RESULT |
Dry film thickness @ 1 gal/100 sq. ft. 6 mils
| Elongation @ 77 deg. F. | ASTM D412 | 600% |
| Elongation @ 32 deg. F. | ASTM D412 | 300% |
Recovery from 100% Elongation 100%
| Tensile Strength | ASTM D412 | 1500 psi | ||
| Shore A Hardness | ASTM D2240 | 70 | ||
| Viscosity | ASTM D562 | 105-l 10 K.U. |
7.2.02 Rust Remover and Conditioner
A. Rust remover compound shall be a safe, non-toxic, non-flammable formulation which effectively conditions rust. In addition to treating rust and corrosion, product shall remove oil and dirt and prepares the surface for coating.
TYPICAL PROPERTIES
| Flash Point | None | ||
| Specific Gravity | 1.10 | ||
| Weight/Gallon | 9.3 Ibs. | ||
| pH, undiluted | 1.8 | ||
| Odor Mild, | Not offensive | ||
| Freeze/Thaw Stability | Thaw at room-temp. and shake or stir | ||
| Spills | Flush to sewer | ||
| Coverage | 300-400 sq.ft./gal. |
7.2.03 Polyester Membrane
A. Reinforcing membrane shall be composed of warp knit, 100% polyester yarn fibers offering an excellent combination of high strength and elongation to accommodate unusual stress forces from thermal shock or building movement.
TYPICAL PROPERTIES
| Tensile Strength | ASTM D1682 90 lbs. (41 kg.) | |
| Elongation | ASTM D1682 45% | |
| Trapezoid Tear Strength | ASTM D1117 22 lbs. (10 kg.) | |
| Ball Burst Strength | ASTM D3787 180 lbs. (82 kg.) |
7.2.04 Manufacturers
A. The following roof coating manufacturers are approved for this project. Substitutions shall be approved after submission showing compliance with the required product technical properties as listed above.
Truco, Inc.
4301 Train Avenue Cleveland, OH 44113
(800) 227-4569
Western Colloid N.C., Inc.
700 71st Ave.
Oakland, CA 94621 510-430-0270
Pacific Polymers 12271 Monarch St.
Garden Grove, CA 92841 714-898-0025
Belzona 2000 N.W. 88th Court Miami, FL 33172 305-594-4994
B. Other manufacturers requesting approval must submit acceptable information certifying that they are the direct manufacturer from raw material into the specified product and meet the performance criteria required.
File details come from the government source that posted it. Updated .