Restoration of Meghaijarani area on the R/Bank embankment of river Gabharu RETENDER

Amount

Earth work in embankment by Mechanical means by truck carriage with locally available 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 debries, breaking clods up to 4cm cube, dressing as per design section and compaction in layers not exceeding 30 cm in thickness and core cutter soil test at every layer and every 500m distance, etc. complete as directed. For beyond initial 1 km & upto 10.00 km & for all lifts.

Earthwork in bank trimming to the designed section /slope by mechanical means including removing the trimmed soils to a minimum distance of 30 m, complete as directed.

Supply of Geo-textile bags of type-A (1.03 × 0.70M) 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 Each ₹ 159.73 (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 ≤75micron (ix) UV Resistance @500 hours retained Tensile strength (MD) & (CD) ≥ 80% (x)Mass≥400 gm/m² (xi) Thickness at 2 KPa≥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 100mm.(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)

Carriage of Geo Bags of size 1.03 x 0.70 m including loading & unloading, Stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (distance to be claculated from Guwahati).

Supply of Geo Bags Type-B (Size 2.00m × 1.50m 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 geotextile 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 (300gsm): 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)

Carriage of Geo Bags of size 2.00 x 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 be claculated from Guwahati).

Galvanized Wire Netting Sheet made of 8 SWG wire 152mm square mesh in sheet 2.57m x 1.66m with longitudinal wire at 152 mm center and 76mm projection of each wire on all sides beyong the net size of 2.42m x 1.5m having knots of 12 SWG at every joints, weight of each sheet should not be less than 6.3 kg/ sheet.

Carriage of wire netting sheets of size 2.57 X 1.67 m made of 8 G wire of 152mm Sq. mesh 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.

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 (i) Wide Tensile strength (MD) ≥15KN/m & Wide Tensile strength (CD) ≥15KN/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 ≥60l/m2/sec (viii)AOS ≤75micron (ix)UV Resistance @500 hours retained Tensile strength (MD) & (CD) ≥80% (x) Mass ≥ 300gm/m² (xi)Thickness at 2KPa ≥3mm. (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).

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 to be claculated from Guwahati).)

Providing and laying of PCC slab of size 0.3m x 0.3m x 0.15m, made in proportion 1:2:4 on trimmed graded slope of river bank including ramming the seat, curing, carriage of the slab from the place of casting upto a distance of 200m to the work site and all handling charges, etc. and complete as directed.

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of sand/silt of size more than 80 micron from flood plain or adjacent chars within a distance of 90m 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 150m and laying properly as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) (a) Without Boat.

Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90m 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 100m complete as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) b) Without Boat.

Filling and laying in cage with silt filled Geo bags of size 1.03m x 0.70m including excavation of silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with 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 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 150m and laying properly. in cages made of wire netting sheets of size 2.57x1.66m of 8G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires complete as directed. (Silt, Geo Bag, Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost). Without Boat.

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

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

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

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)

Excavation for Structures Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. Ordinary soil Upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A. With crushed Stone III. P.C.C Grade M20 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 StoneWith Crushed Stone II. P.C.C. grade M 20 Nominal mix (1:2:4)

Providing and Laying Reinforced Cement Concrete Pipe NP4 as per Design in Double Row Providing and laying reinforced cement concrete pipe NP4 for culverts on first class bedding of granular material in double row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets as per Clause 1106. 1200 mm dia

LALBABU MOHOTO