Immediate measures for restoration of damage section of Solengi L/B embankment at different location of the river Solangi under SDRF for 2019-20. RETENDER

Amount

Earth work in embankment by Tractor-trailer carriage in locally available ordinary soil excluding rocky soil free from roots & vegetation and filling in uniform layers not exceeding 22 cm. thick including ploughing or roughening or benching the seats, removing all debries, breaking clods up to 2.5 cm cube, dressing as per design section including payment of forest royalty if any, etc. complete as directed. (10% deduction will be made from the section measured quantities of the completed and compacted earth work on account of shrinkage).

Earth work in embankment by truck carriage in ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and stacking in regular measurable stacks at suitable places including clearing and levelling the stacking site, breaking clods up to 2.5cm cube, payment of forest royalty if any, etc. ( 12.50 % deduction will be made from measured quantities on account of shrinkage).

Spreading of earth stacks over the crest and slope of embankment and places as directed in uniform layer of 22 cm. thick including breaking clods, dressing, ramming etc. complete where necessary including dressing the embankment. before complete as directed.

Supply of Geo-textile bags of type-A (size 1.03X0.70M), inner dimension made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre having thickness not less than 3.00 mm with minimum properties as (i) Tensile strength (CD) ≥ 24 KN/m (ii) Tensile strength (MD) ≥ 22 KN/m (iii) Mass ≥ 400.00 Gm/m ² (iv) CBR Puncture strength ≥ 4100 N/m2 (v) Elongation @ break (Warp) ≥ 54% (vi) Elongation @ break (Weft)≥ 52% (vii) Abrasion ≥ 70 % (viii) UV Resistance @ 500 hours ≥ 70% (ix) AOS ≤ 75 micron (x) Permittivity ≥ 1.25, (xi) Trapezoidal Tear Strength ≤ 520 N (xii) Permeability = 45Lt/m2/sec (xiii) Seam strength = 80 % of geotextiles 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 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). FOR GUWAHATI

Carriage of Geo Bags of size 1.03 x 0.70 m including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman completed as directed(Distance to be calculated with respect to FOR Guwahati). Worksite at Tingalibori.

Supply of Geo-textile bags of Type-B (Size 2.00m x 1.50m), inner dimension made of composite layers of geo-textile 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). FOR GUWAHATI

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 completed as directed. (Distance to be calculated with respect to FOR Guwahati). Worksite at Tingalibori.

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 1) Mass per unit area > 650 GSM, 2) Tensile Strength(MD) ≥ 70kN/m, 3) Tensile Strength(CD) ≥ 70kN/m 4) Tensile Elongation(MD) ≤ 25%, 5) Tensile Elongation(CD) ≤ 25%, 6) Pore Size < 0.35mm,7) Abrasion Resistance ≥ 35 %, 8) UV @ 500 hours ≥ 90% 9) Resistance to Oxidation @ 100°C for 28 days) ≥ 80% and Lower Layer Properties as 1) Mass per unit area > 400 GSM, 2) Tensile Strength(MD) ≥ 110kN/m, 3) Tensile Strength(CD) ≥ 90kN/m 4) Tensile Elongation(MD) ≤ 25%, 5) Tensile Elongation(CD) ≤ 25%, 6) Pore Size < 0.35mm,7) Abrasion Resistance ≥ 60 %, 8) UV @ 500 hours ≥ 90% 9) 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 clearly on each bundle 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) (With 29 % Custom Duty) FOR GUWAHATI

Carriage of Geo Mat of including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman completed as directed.(Distance to be calculated with respect to FOR Guwahati). Worksite at Tingalibori.

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 trench at the upper and lower end of slope of depth 1.00m x 0.75 m placing the mat by bending it into the trench, filling the trench by earth filled cement bags, sides of mattresses in sloping direction stitched by Polyester/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 non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as (i) Tensile strength ≥ 12 KN/m (ii) Mass ≥ 300.00 Gm/m ² (iii) CBR Puncture strength ≥ 3.5 KN (iv) Elongation at break ≥ 60% (v) Abrasion ≥ 70 % (vi) UV Resistance @ 500 hours ≥ 70% (vii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 340 N (xi) Permeability = 2.00 x 10 ̄ ³ m/sec (xii) Seam strength = 80 % of geotextiles 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. (Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer & Batch Number clearly on each bundle 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). FOR GUWAHATI

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 completed as directed.(Distance to be calculated with respect to FOR Guwahati). Worksite at Tingalibori.

Labour charge for laying Geo fabric sheet as filter bellow pitching including anchoring and complete as directed.

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of sand from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand 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 from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand 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). a) Without Boat -

Construction of whole bamboo single pallasiding with matured bhaluka bamboo posts 7.5cm to 10 cm dia.,15 cm clear apart 1.50m to 1.80m above ground and 1.00m to 1.20m below ground with bhaluka bamboo inclined struts placed at 1.5m a part tied with three rows of horizontal half jati bamboo kamies etc. complete as directed. (Using Bhaluka Bamboo at the rate of 10.14 nos/ Rm & Jati Bamboo at the rate of 2.40 nos / Rm).

Supply of survicable empty cement bags.

Labour charge for laying and pitching earth filled cement bags including excavation and borrowing earth, breaking clods, filling in bags and supplying and stitching the mouth with jute sutli, etc. complete as directed. For borrowing earth from a distance up to 30m.

Construction of whole Bholuka Bamboo Screen with matured Bholuka Bamboo stacks 75mm to 100mm dia, placed at 30 cm clear apart( i.e. 40 cm C/C) driven 4.00 m to 4.50m below ground and 3.0m to 3.50m above ground with hydraulic driving equipments including hire charge of equipment, cost of P.O.L. etc. and providing with 1 (one) row of horizontal half Jati bamboo kamies tied with galvanized wire of 16 G to 18 G etc complete as directed.(Using Bhaluka Bamboo at the rate of 240.00 nos/ Rm & Jati Bamboo at the rate of 9.60 nos / Rm).

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10m X 0.10mX 3.00m with M-40 grade of cement concrete with graded broken course aggregates up to 12mm size down and reinforced with 4 Nos. of 4 mm dia high tensile steel wire cable at four corners with necessary cover and 4mm high tensile stirrups at 250mm C/C, in conformity with IS-6403 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 65mm inside from both ends including properly curing for 14 (fourteen) days and carriage of porcupine members from factory to the stack yard within a distance up to 100 Km complete as directed.

Carriage of Porcupine members by 40 HP Tractor -trailor including local carriage of porcupine members from stack yard to loading site up to a lead of 150m, loading , un loading at river bank near work site etc. complete as directed. (For lead beyond 150m and up to 2.00 Km and for all lift).

Labour charge for launching of R.C.C. / PSC Porcupine including carriage of R.C.C./ PSC porcupine members of size 0.10m × 0.10m × 3.00m 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) a) Launching without boat.

Supply of Sewing Thread/Yarn PPMF Stitching Thread (2000 Den. Kaplon) i/c payment of taxes.

Supply of Ordinary Labour inclusive of all taxes.