Immediate measures to excavation and Rechanellization of Bekajan Channel from abandon point to outfall at teri Meri Jan under SDMF for the year 2024-25.

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653: 2017  Wide Tensile strength (MD) ≥ 15kN/m & Wide Tensile strength (CD) ≥ 15kN/m  Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50%  Abrasion ≥ 95%  Trapezoidal Tear Strength (MD) ≥ 340 N & Trapezoidal Tear Strength (CD) ≥ 340 N  CBR Puncture strength ≥ 3000 N  Permittivity ≥ 1.25 s-1  Permeability ≥ 60l/m2/sec  AOS ≤ 75micron  UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80%  Mass ≥ 300gm/m²  Thickness at 2KPa ≥ 3 mm. (Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles 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 and type of polymer and Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material).

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)

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 (300gsm): 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

Supply of Sewing Thread/Yarn PPMF Stitching Thread (2000 Den. Kaplon).

Carriage of 300 gsm Geo sheet of including loading & unloading, stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed. (Distance=80 km)

Carriage of Geo Bags of size 1.03 × 0.70 mincluding loading & unloading, stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (Distance to work site = 80 Km)

Carriage of Geo Bags of size 2.00 × 1.50 m including loading & unloading, stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed. (Distance to work site = 80 Km)

Labour charge for laying Geo fabric sheet as filter bellow pitching including carrying, lapping, wrapping & stitching as directed by the Engineer-in-Charge.

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. Without Boat

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) With Mar Boat

Earth work in excavation by hydraulic excavator, to proper grade and slopes as required including utilizing the spoils for filling works in the vicinity including removing roots & vegetation, dressing to design section etc. complete as directed. Ordinary Soil, For depth up to 3.00m

Medium Jungles: Clearing medium jungles and trees up to 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work, etc. complete as directed. (When 30% to 60 % of the area is covered by shrubs, trees etc.)

Earth work in embankment by manual means by truck carriage in ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation 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 4cm cube, dressing as per design section, etc. complete as directed.(10% deduction will be made from the section measured quantities of the completed and compacted on account of shrinkage) For initial lead up to 1 Km and for all lifts.

Ordinary/Unskilled Labours

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 atleast 0.75 m below ground and height above plinth of 2.5m. 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 61.00nos / Rm)

Laying brick soling layer on prepared sub-grade with brick on end edging according to lines, graded and cross-section shown on the drawing filling joints with sand and earth, spreading 25 mm thick layer of earth over brick soling, watering and rolliing the same with three wheel road roller 80-100 kN as perTechnical Specification Clause 412

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 and 1204 A) With Crushed Stone II) P.C.C. grade M 20 (i) Nominal mix (1:2:4)

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A) With Crushed Stone (IV) RCC Grade M 25 (i) for height upto 5m.

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002 1005 1010 & 1202

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m. including providing plasticiser (Masterplast PL-1/SPL-2 or equivalent), air entraining and water reducing plasticiser ( asterplast PAE or equivalent) and accelerating plasticiser (Masterplast ACPL or equivalent) conforming to IS-9103-1999 (Pile diameter-750 mm)

Fabrication & Installation : M.S.plate, 6 mm for.shutter skin

Fabrication & Installation : M.S.channel,175 x 75x6 mm for stiffener

Fabrication & Installation : ‘J’ type rubber seal, 125mm size

Fabrication & Installation : M.S.Flat(50x6)mm for fixing Rubber seal

Fabrication & Installation : Nuts & bolts (assorted size)

Fabrication & Installation : M.S. washer (assorted size)

Fabrication & Installation : M.S.electrode,8 SWG

Fabrication & Installation : Filled D.A. gas

Fabrication & Installation : Filled Oxygen gas

Fabrication & Installation : Red Oxide primer

Fabrication & Installation : Antisol red oxide paint

Fabrication & Installation : Turpentine oil

Fabrication & Installation : Painting brush,3” 11

Fabrication & Installation : Steel Wire brush

Fabrication & Installation : C.I.rollers with centre hole 20mm including suitable collar as directed including fine finishing of size,100 x 150 mm

Fabrication & Installation : F shapped roller bracket made of 10mm thick plate of size 75 x 200mm with hole as directed to accommodate the above rollars-a) 100 mm × 150 mm

Fabrication & Installation : Roller pin of length 150mm 7dia 16mm

Fabrication & Installation : H.S Diesel

Fabrication and Installation of Guide and Bottom channel : M.S.channel,200 x 75mm for Guide

Fabrication and Installation of Guide and Bottom channel : M.S.channel,200 x 75mm for top & Bottom

Fabrication and Installation of Guide and Bottom channel : M.S.electrode,8 SWG

Fabrication and Installation of Guide and Bottom channel : Filled D.A. gas

Fabrication and Installation of Guide and Bottom channel : Filled Oxygen gas

Fabrication and Installation of Guide and Bottom channel : M.S.plate, 10 mm for base support

Fabrication and Installation of Guide and Bottom channel : M.S. angle,(50x50)mm for anchoring

Fabrication and Installation of Guide and Bottom channel : Guide channel separator stud

Fabrication and Installation of Guide and Bottom channel : Red Oxide primer

Fabrication and Installation of Guide and Bottom channel : Antisol red oxide paint

Fabrication and Installation of Guide and Bottom channel : Turpentine oil

Fabrication and Installation of Guide and Bottom channel : Painting brush,3” 11

Fabrication and Installation of Guide and Bottom channel : Steel Wire brush

Fabrication and Installation of Guide and Bottom channel : H.S. Diesel

Lifting and operating mechanism : Supply of M.S. Shaft (Best quality) of diameter c) 63 mm

Lifting and operating mechanism : Thread cutting (square)1 TPI/2 TPI including fine finishing and making hole in one end as per direction for sizes as given below:c)63 mm

Lifting and operating mechanism : HD Thrust ball bearing 75 mm dia.

Lifting and operating mechanism : C.I.Boss with internal thread cutting 1 TPI/2 TPI making groove or bearing slot for lock plate and 1.5" drill for providing handle as per direction for the following sizes c) 150mm X 200mm

Lifting and operating mechanism : M.S.Base plate 300 X 300 mm of the following thickness as per direction including supply of materials (machine finished) a) 10 mm

Lifting and operating mechanism : M.S.Lock plate 300 X 300 mm of the following thickness as per direction including supply of materials (machine finished) a) 8 mm

Lifting and operating mechanism : C.C. counter weight circular type of 400mm dia around 100mm thick with 25 mm dia hole at centre & two handles for carrying weight of 30Kg each

Lifting and operating mechanism : Counter weight holder

Lifting and operating mechanism : C.I. pulley 16 mm to 25 mm dia. With centre hole as per direction 150mm

Lifting and operating mechanism : Pulley stand made of 100 x 50 mm channel for 150 mm

Lifting and operating mechanism : Pulley pin of 160mm dia.

Lifting and operating mechanism : Steel wire rope (tested quality) of the following sizes (ISI standard) b) 19 mm

Lifting and operating mechanism : G.I. pipe of sizes - 25 mm dia

Lifting and operating mechanism : Clamp for lock plate

Lifting and operating mechanism : Arc welding holder, 400/600 Amp.

Lifting and operating mechanism : Gas cutting nozzle

Lifting and operating mechanism : Arc welding cable 400/600 Amp.

Lifting and operating mechanism : Gas cutting hose, 12 mm dia (Red & Black)

Lifting and operating mechanism : M.S. Electrode 10 SWG

Miscellaneous : Nylon Rope 16mm to 20 mm

Miscellaneous : W.B. Grease

Miscellaneous : Matured Jati Bamboo 60mm to 75 mm dia and 5m to 6m long

Miscellaneous : Hire charge of crane with capacity 3 ton with operator excluding fuel & lubricant

Providing and laying of boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 percent extra for laps and joints laid with stone boulders weighing not less than 25kg each as per drawing and technical specifications Clause 1301