A/E measures to protect Udaipur area (Chunpura) from the erosion of river Balijan (Udaipur via Chunpura Purana Bazar)

Amount

Clearing medium jungles and trees upto 15cm girth including cutting, uprooting roots & 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 )

Cutting bamboo , uprooting roots & stumps including removing them from the site of work, etc. complete as directed.

Uprooting bamboo clumps where bamboo already removed including removing the same to a safe distance as directed.

Supply of Geo-textile bags of type-A (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 (ii) Mass ≥ 400.00 Gm/m ² (iii) CBR Puncture strength ≥ 4100 N/m2 (iv) Elongation @break (Warp) ≥ 54% (v) Elongation @ break (Weft)≥ 52% (vi) Abrasion ≥ 70 % (vii) UV Resistance @ 500 hours ≥ 70% (viii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 520 N (xi) Permeability = 45Lt/m2/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. (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). (F.O.R Guwahati)

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) FOR Tinsukia

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 0.75m 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 Polypropylene thread with doulb locking chain stich 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)(F.O.R :Guwahati)

Supply of Geo Bags 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).(F.O.R Guwahati)

Collection and supply of River silt by truck carriage free fro debries and other foreign material payment of forest royalty if any, etc.(For initial Lead beyond 1/2 Km and upto 4.00 km for all lifts.)

Carriage of Geo bag of size 1.03mx0.70m to work site from Guwahati including loading , unloading and stacking ,cost of P.O.L etc. including hire charge of truck with driver and handyman complete as directed.(Distance with respect to 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)

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)

Supply of sewing thread/yarn PPMF stiching thread (2000 Den.Kaplan) i/c payment of taxes.

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

Construction and supply of Wire -netting box of size 1.50mx 1.50mx 0.45m made with mechanically woven, double twisted , hexagonal shaped wire mesh with wire made of low carbon, high ductile MS wire with heavy class of galvanization with an additional layer of PVC coating with mesh type of 10x12 as per EN 10223 & ASTM A975 , mesh wire of 2.70mm (I.D)/3.70mm(OD)tensile strength of 450-500/mm²,edge wire/selvedge around it at least 2.5 times, lacing wire (zink P.V.C. coated) of 2.20mm (I.D.) /3.20mm (O.D) P.V.C. coating thickness of 0.50mm nominal, 0.38mm minimum and with average weight per unit being 12 kg with additional 3% of the weight of box for lacing wire supplied separately, supporting the facing of the box with Zink coated steel wire of required length as directed, compling with A.S.TM and Europian norms, including payment of all duties,sale tax, any other taxes as applicable loading, unloading and staking them at the site of work in measurable stacks, complete as directed .

Carriage of Gabion box of size 2.00m x 2.00m x 0.45m including loading & unloading 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)

Filling and laying in cage with silt filled Geo bags of size 1.03m X 0.70m excluding excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt weighing 126.00 Kg after filling ,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. (Geo Bag , Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost) .

Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m excluding excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with 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)A) With Boat

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of specified 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 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) (With Boat)

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 galvanised wire of 16 G to 18 G etc complete as directed.

Earthwork in bank trimming to the designed section /slope including removing the soils at a safe distance, complete as directed

Earth work in excavation of drainage channel to the proper grade and slopes as required including desposing theexcavated debris/soil to a safe distanceof minium 50m distance as directed. Normal soil

Supply of serviceable empty cement bags (standard size) i/c payment of all taxes (synthetic made)

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. (cement bags will be supplied by the department free of cost). For borrowing earth from a distance up to 30m.

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) For initial lead beyond ½ Km and up to 4.00 Km and for all lifts

Spreading of earth stacks over the crest and slope of the embankment approach road in uniform layers of layers of 30cm thick including breaking clods, dressing ramming etc., complete where necessary including dressing the embankment before complete as directed.

KISHUR UTPOL JV

Sri Pranab Chetia

SRI HRIDAY CHUTIA

M/S. M.P. AGARWALLA