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993146 [AF] 阿富汗求购道路标志反射道路交通(road signs reflective road traffic)

 
 
Dear Sir/Madam,
This is HamidRahin from AF.
I'm looking for products with the following specifications:
180 pieces road signs.  
Can be Either aluminum panels, steel panel, or retroreflective sheeting.  i will accept all bids and see who has best quality vs price.  International ASTM, ISO standards as in *** RFQ.  please send bids in Excel format. Price should be at your warehouse, i will arrange shipping to Afghanistan.
PART 1 – GENERAL
1.1 RETROREFLECTIVE SHEETING
A. The retroreflective sheeting must confirm to ASTM D 4956 including Supplemental Requirement SI, Fungus Resistance, if specified. For reboundable retroreflective sheeting, conform to ASTM D4956 including Supplemental Requirement S2, Reboundable Sheeting Requirements. When an adhesive is used, it must conform to ASTM D4956, backing class 1, 2, or 3.
1.2 STEEL PANELS
Furnish 0.079-inch (2-millimeter) continuous coated (galvanized) steel sheet blanks confirming to ASTM A653. Mil phosphatize the Zinc coating (designation G 90) to a thickness of 0.0035-0.0075 ounces per square foot of surface area. Furnish panels with a substantially plane surface. Do not use twisted or buckled panels and or blanks with grooves. Clean, degrease or otherwise prepare the panels according to methods recommended by the sheeting manufacturer.
1.3 ALUMINUM PANELS
A. If Aluminum panels are used, it must conform to ASTM B209, alloy 6061-T6 or 5052-H38. Fabricate all temporary panels and those permanent panels that are 30 by 30 inches or smaller (750 by 750 millimeters) from 0.080-inch (2-millimeter) thick aluminum sheets. Fabricate larger permanent panels from 0.125-inch (3-millimeter) thick aluminum sheets.
B. The blanks shall be free from laminations, blisters, open seams, pits, holes, or other defects that may affect their appearance or use. The thickness shall be uniform and the blank must be commercially flat. Perform shearing, cutting, and punching before preparing the blanks for application of reflective material.
C. Clean, degrease, and chromate the blanks or otherwise properly prepare the panels according to methods recommended by the sheeting manufacturer.
1.8 LETTERS, NUMERALS, ARROWS, SYMBOLS, AND BORDERS:
A. Wording on the Sign boards shall be in English and Pashto languages. Colors shall meet Government of Afghanistan (GOA) approved colors (Contractor shall get confirmation from Afghanistan Traffic Department) or as specified in the design drawings and in the contract and shall conform to ASTM D4956, subsection 1.1 of section 3400001of this document or subsection 718.01 of FP-14. Supplemental Requirement SI, Fungus Resistance. For reboundable retroreflective sheeting, conform to ASTM D4956 including Supplemental Requirement S2, Reboundable Sheeting Requirements. Adhesives shall conform to ASTM D4956, backing class 1, 2, or 3. Form letters, numerals and other units to provide a continuous stroke width with smooth edges. Make the surface flat and free of warp, blisters, wrinkles, burrs, and splinters. Confirm to one of the following:
1. Type L-1 (Screen Process): Apply letters, numerals
, arrows, symbols, and borders on the retroreflective sheeting or opaque background of the sign by direct or reverse screen process. Apply messages and borders of a color darker than the background to the paint or the retroreflective sheeting by direct process. Produce messages and borders of a color lighter than sign background by the reverse screen process.
Use opaque or transparent colors, inks, and paints in the screen process of the type and quality recommended by the retroreflective sheeting manufacturer.
Perform the screening in a manner that result in a uniform color and tone, with sharply- defined edges of legends and borders, and without blemishes on the sign background that will affect intended use.
Air dry or bake the signs after screening according to manufacturer's recommendations to provide a smooth hard finish. Any signs with blisters or other blemishes will be rejected.
2. Type L-3 (Direct Applied Characters): Cut letters, numerals, symbols, borders, and other features of the sign message from the type and color of the retroreflective sheeting specified, and apply to the sign background's retroreflective sheeting according to the retroreflective sheeting manufacturer's instructions. For the retroreflective sheeting minimum coefficient of retro reflection (RA), conform to AASHTO M268.
1.9 DELINEATOR AND OBJECT MARKER RETROREFLECTORS:
Furnish type I or type 2 retroreflectors that are ready for mounting. Furnish antitheft hardware for mounting as required.
1. Type 1 (Acrylic Plastic Lens): Furnish an acrylic plastic lens with a minimum dimension of 3 inches (75 millimeters) with prismatic optical elements and a smooth, clear, transparent face. Fabricate the back from similar material and fuse it to the lens around the entire perimeter to form a homogenous unit. Seal the units against the intrusion of foreign material. Conform to Table 718-1(SP14) regardless of the orientation angle.
Post date 5-10, value member points ?

 

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