Name of Work:- Restorationof Damage Structures During The Floodof 2022 Under Dibrugarh W.R Division (Procurement Of Materials).
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Item Description
1
Supply of Geo-Textile Bags, Type C of Size 1.50 m × 1.00 m, inner dimension made of composite layers of geotextile as per specifications below: Woven Geo-textile for the outer cover. The woven geo textile is woven with UV resistant slit film tape fibre with MAVR values of the following properties. Geo-textile used to manufacture geo-textile bags should have high mechanical properties for enhanced durability along with enhanced puncture, abrasion and U.V. resistance characteristics. Geo-textile should be inert to biological degradation and resistant to naturally encountered chemicals, alkalis, and acids. Weight (ISO-9864/ASTMD 5261) ≥ 250 Gms/Sqm. Tensile strength (MD) (ASTMD 4595) ≥35 kN/m. Tensile strength (CD) (ASTMD 4595) ≥ 35 kN/m. Tensile Elongation (ASTMD 4595) ≥ 5% & ≤ 30%. Grab Elongation (ASTMD 4632) ≥ 5% & ≤ 30% Tensile strength (ASTMD 4632) = 1.5 kN. UV resistance (ASTMD 4355) = 70%/500 hrs. Non-woven Geo-textile for the inner layer. It is needle punched non-woven geo-textile made of 100% polypropylene staple fibers which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. Weight (ISO-9864/ASTMD 5261) ≥ 300 Gms/Sqm. Tensile strength (MD) (ASTMD 4595) ≥ 12 kN/m Tensile strength (CD) (ASTMD 4595) ≥ 12 kN/m Tensile Elongation (ASTMD 4595) ≥ 5% & ≤ 30% Grab Elongation (ASTMD 4632) ≥ 5% & ≤ 30% Tensile strength (ASTMD 4632) = 1.5 KN UV resistance (ASTMD 4355) = 70%/500 hrs (Bags are to be supplied of 100 numbers or part in a bundle, properly packed with name of Manufacturer and Batch Number is to be marked on each bag with “WRD Govt. of ASSAM” to be printed on each bag and mentioning properly the GSM and type of Geo bag polymer. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material)
2
Supply of Sand Bag of size (0.50 × 0.90 m) inner to inner dimension, made of 100 GSM manufactured from woven polyester fabric of Black with minimum properties i. Strip Tensile strength (warp/weft) as per ASTMD5035 ≥ 550N ii. Tensile Elongation as per ASTMD5035 ≥ 20 % including multicolour 3 mm dia. polyester rope of length 0.75 punched 10 cm from the top & 3 cm from edge, Rope strength 300 lbs.(Bags are to be supplied a bundle of 100 numbers, properly packed with name of Manufacturer and Batch Number and each bag to be marked with “WRD Govt. of ASSAM” to be printed with minimum font size height of 50 mm on each bag and mentioning properly the GSM and type of Geo bag polymer. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material). Please Enable Macros to View BoQ information
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