Breach closing of R/B embankment of river Golondi and replacement of existing dyke with RME. PACKAGE 2

Amount

Light Jungles: Clearing light jungles and trees up to 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work up to a distance of 30 m, etc. complete as directed. (When 30% of the area is covered by shrubs, trees etc.)

Earthwork in embankment by truck carriagr by mechanical means with locally available ordinary/normal soil and filling in uniform layers not exceeding 25 cm thick including ploughing or roughening or benching the seats, removing all debris, breaking clods up to 4 cm cube,dressing as per design section and compaction with three wheel static roller of 80-100KN capacity in layers not exceeding 30 cm in thickness and core cutter soil test at every laywr and every 500 m distance,etc. complete as directed(for use in construction of RME only)For all lead and for all lifts.

Supply of Geo Bags Type-B (Size 2.00 m × 1.50 m inner to inner) (Pillow Type) made of composite layers of Polypropylene (PP) fibre as per IS 16653:2017 for Nonwoven and IS 16654:2017 for Woven: Woven Geo-textile for the outer cover (300 gsm): The woven geo textile is woven with multifilament woven fabric manufactured from ultra violet stabilized polypropylene. 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. Properties i. Tensile strength (MD) ≥ 80 KN/m & Tensile strength (CD) ≥ 70 KN/m ii. Elongation (MD) ≤ 25% & Elongation (CD) ≤ 25% iii. Abrasion ≥ 75% iv. Trapezoidal Tear Strength (MD) ≥ 1500N & Trapezoidal Tear Strength (CD) ≥ 1300N v. CBR Puncture strength ≥ 900N vi. Permeability ≥ 18 l/m2/sec vii. AOS ≤ 250 micron viii. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% ix. Mass ≥ 300 gm/m² x. Seam strength ≥ 50 % of actual fabric strength. Non-Woven Geo-textile for the inner layer (300 gsm): It is needle punched non-woven geo-textile made of 100% polypropylene staple fibres which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. Properties i. Wide Tensile strength (MD) ≥ 15 KN/m & Wide Tensile strength (CD) ≥ 15 KN/m ii. Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50% iii. Abrasion ≥ 95% iv. Trapezoidal Tear Strength (MD) ≥ 340 N & Trapezoidal Tear Strength (CD) ≥ 340 N v. CBR Puncture strength ≥ 3000 N vi. Permittivity ≥ 1.25 s-1 vii. Permeability ≥ 60 l/m2/sec viii. AOS ≤ 75 micron ix. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% x. Mass ≥ 300 gm/m² xi. Thickness at 2KPa ≥ 3 mm xii. Seam strength ≥ 80 % of actual fabric strength. Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge. (Bags are to be supplied of 15 numbers in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with “WRD Govt. of ASSAM” to be printed distinctly. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material)

Filling and laying of nonwoven Geo - textile bag of dimension 2.00 m × 1.50 m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand/silt, having minimum volume 0.612 Cum after filling, double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, laying at proper site including all handling charges and local carriage within a distance of 100 m complete as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Supply of G-Mat in double layered composite Geo-textile fabricated to form a three dimensional mattresses, the upper layer of the mattress being heavily woven with polypropylene fabric needle-punched with a mixture of U.V. stabilized green fibres and cut tape yarns with Upper Layer Properties as i. Mass per unit area > 650 GSM, ii. Tensile Strength (MD) ≥ 70kN/m, iii. Tensile Strength (CD) ≥ 70kN/m iv. Tensile Elongation (MD) ≤ 25%, v. Tensile Elongation (CD) ≤ 25%, 6) Pore Size < 0.35 mm, vi. Abrasion Resistance ≥ 35 %, vii. UV @ 500 hours ≥ 90% viii. Resistance to Oxidation @ 100°C for 28 days) ≥ 80% and Lower Layer Properties as i. Mass per unit area > 400 GSM, ii. Tensile Strength (MD) ≥ 110kN/m, iii. Tensile Strength (CD) ≥ 90kN/m iv. Tensile Elongation (MD) ≤ 25%, v. Tensile Elongation (CD) ≤ 25%, vi. Pore Size < 0.35mm, vii. Abrasion Resistance ≥ 60 %, viii. UV @ 500 hours ≥ 90% ix. Resistance to Oxidation @ 100°C for 28 days) ≥ 80% The sewing thread should be of high tenacity polyester and parallel stitches are to be continued positioned at 350 mm apart with a stitch length not exceeding 5 mm. (Each roll of G-Mat should be supplied in properly packed bundle and should be marked with the Name of Manufacturer & Batch Number & its dimensions clearly on each roll with “WRD Govt. of ASSAM” to be printed on it and mentioning properly the GSM (for both upper and lower layer) and types of polymer (for both upper and lower layer) and Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material) (Inclusive of Custom Duty)

Supply of 30 M long RME structure of vertical height 1.83 m (6 feet) and bottom width 2.4 m (8 feet), (having 35 chambers interconnected to make one chain - 30 m long), interconnected baffle walls and periphereal surface of HSP, forming one section with all accessories necessary for connection of chains and anchors complete as per direction of engineer-in-charge. With the following specifications RME shall be made up of HS tape (laminated with min 30µ thick film) with (1) ultimate tensile strength of 27 kN/m in CD/MD as per ASTM D 4595; (2) wide width elongation of 12/9%; (3) trapezoidal tear of 445 N (ASTM D 533); (4) Mullen Burst of 2,930 KPa (ASTM D 3786); (5) permittivity of 0.05 S-1 (ASTM D 4491); (6) *UV of min 70% @ 500 hrs (ASTM 4355); All above values as MaxARV except * which is TYP of the agreed primary sample lot, and all are established as per sampling procedures defined in ASTM D 4354 for all 5 levels of testing forming the fundamental part of RME's QAP. All chambers of RME shall have 3 × 3' top opening for filling, be 6' vertically deep in the back tapering off into a 1:1 slope in front that ends in 1' vertical drop to the bottom base which shall measure 8' from the rear point. 35 such chambers/cells shall form one chain with proper water-proof joining arrangements at its both ends that shall end in flaps to over the first cell of the connected adjacent chain. Stitching shall be along the cellular periphery only with not less than 300 denier PET thread while ensuring the bends are curves and not rectangles, extending into subsequent stitch-lines up to a distance sufficient enough to ensure homogeneous bond joint strength. Stitching shall be as per ASTM D 4885. All RME shall be provided with due connection joints.

Labour charges for carrying, transporting, levelling, Placing & Filling of RME with excavator including holding stands etc. complete & as per direction of Engineer-In Charge. (The rate excludes cost of filling materials)

Supply of Bi-axial extruded high modulus polypropylene geogrid/Techgrid (20 × 20) confirming to MORTH SPECIFICATION for base reinforcement in apron having minimum tensile strength 20 kN/m in the longitudinal & transverse direction with 7.5 kN/m & 15 kN/m tensile strength at 2% & 5% strain respectively in the longitudinal & transverse direction, Junction efficiency not less than 95% with 38 mm × 38 mm mesh opening.

Labour Charges for carrying, transporting & laying of 20 × 20 Geogrid/Techgrid including wrapping stitching as per Instruction of Engineering-In-charge.

Supply of HDPE Geocell (Techcell type, CE marked), 200 mm deep, TC330 with USWD-C/C 356, having density greater than 0.935 g/cm3 with multitude rhomboidal indentations, textured & perforated with horizontal rows of maximum 10 mm dia. holes. Perforations within each row shall be 19 mm on centre. The quantity of perforations shall remove +/- 17% of cell wall area having 200 mm cell depth with minimum sheet thickness of 1.20 mm & having yield strength of 18 kN/m to complete the job as per drawing & direction of Engineer-In-Charge.

Labour Charges for carrying, transporting, laying, fixing & filling of HDPE Geocell 200 mm thick including accessories and equipment as per Instruction of Engineering-In-charge.

Supply of Sewing Thread/Yarn PPMF Stitching Thread (2,000 Den. Kaplon) i/c payment of taxes.

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10 m × 0.10 m × 3.00 m with M - 30 grade of cement concrete conforming to IS 1343:2012 using super-plasticizer @1.2 lit/bag of cement with graded broken coarse aggregates up to 20 mm size down conforming to IS 10262:2009 & IS 456:2000 and reinforced with 4 nos. of 4 mm dia. high tensile steel wire cable/strand with necessary cover and 4 mm high tensile stirrups at 250 mm C/C, in conformity with IS-6403:R2002 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia. at 50 cm inside from both ends in the same face and in either face of post another 2 nos. of holes of size 16 mm dia. at 65 mm inside from both ends including properly curing for 21 (Twenty one) days and carriage of porcupine members from factory to the stack yard within a distance up to 50 Km including loading, unloading & stacking complete as directed.

Carriage of PSC porcupine members of size 0.10 m × 0.10 m × 3.00 m from Stack yard to Work Site including loading, unloading & stacking.

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10 m × 0.10 m × 3.00 m from the stack yard to the place of launching, erection of the Porcupine with 6 (Six) members properly, supply & fitting/fixing with 12 mm dia. 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) Launching without boat.

Supply of Ordinary Labour.

Construction of temporary shed of two roof with mud plinth of 0.45 m height above ground level with Bhaluka bamboo post 1.5 m apart, driven at least 0.75 m below ground and height above plinth of 2.5 m. Split Jatti bamboo/tarza wall 10 cm thick touch roofing over bamboo rua frame, placing at 0.15 m clear apart, fitted with bamboo kamies from binding doors and windows with Bamboo Chattai, strengthening with Bamboo frame binding with wire, roofing with TATA Shaktee roofing sheets etc., complete as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos./Rm & Jati Bamboo at the rate of 61.00 nos./Rm)

Supply of woven technical textile (240 GSM PPMF) made from white polypropylene, permeable fabric which is High Strength Multifilament Polypropylene yarns woven to provide following specifications: Tensile Strength in Machine Direction (IS-1969) ≥57 KN/M & Cross Machine Direction (IS-1969) ≥ 42 KN/M, Elongation at break in Machine direction & Cross machine direction (ASTM-D-4595) ≥ 25 %, CBR Puncture strength (ASTM-D-6241) ≥ 3500N, Trapezoidal Tear (ASTM-D-4533) ≥ 1100N, UV Resistance @ 500 hours (ASTM-D4355) ≥ 80%, Apparent opening size AOS (ASTM-D-4751) ≤ 0.425 mm, & finished edge being strong enough to be stitched together with 150 mm lap to provide 95% original strength without defraying under a pull of 2.2 Kg. All values as per TYP.

Labour Charges for carrying, transporting & laying of woven technical textile (240 GSM PPMF) including wrapping over RME System.

Labour charge for laying, fitting and fixing of double layered Geo textile, fabricated to form a three dimensional mattresses after filling sand at design slope, filled up with sand by pump, anchoring by cutting/ at already excavated trench at the upper and lower end of slope of depth 1.00 m × 0.75 m placing the mat by bending it into the trench, filling the trench by earth filled cement bags/sand/silt filled type - A geo-bags, sides of mattresses in sloping direction stitched by Polypropylene thread with double locking chain stitch not less than 3 stitches per 2.50 cm to achieve minimum stream strength including all handling and carriage charge complete as directed. (Polypropylene thread will be supplied by the department free of cost.

Supply of Geo-textile bags of type-A (1.03 × 0.70 m) inner to inner made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653:2017 i. Wide Tensile strength (MD) ≥ 20KN/m & Wide Tensile strength(CD) ≥20 KN/m ii. Elongation (MD) ≥50% & Elongation (CD) ≥ 50% iii. Abrasion ≥ 95% iv. Trapezoidal Tear Strength (MD) ≥ 450N & Trapezoidal Tear Strength (CD) ≥ 450N v. CBR Puncture strength ≥ 4000N vi. Permittivity ≥ 1.10s – 1 vii. Permeability ≥ 40l/m2/sec viii. AOS ≤ 75 micron ix. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% x. Mass ≥ 400 gm/m² xi. Thickness at 2KPa ≥ 3 mm xii. Seam strength ≥ 80 % of actual fabric strength. Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100 mm. (Bags are to be supplied of 100 numbers in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with “WRD Govt. of ASSAM” to be printed distinctly. Test Certificate from approved NABL accredited and ISO (Certified Laboratory should invariably be submitted against each batch of material).

Filling and laying of Geo bags of size 1.03 m × 0.70 m including excavation of sand/silt of size more than 80 micron from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand/silt having minimum weighing 126.00 Kg and minimum volume 0.084 Cum after filling, double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150 m and laying properly as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

ANUPAM NIRMAN PVT. LTD.