| 1 | 100 | General Item | | | |
|---|
| 2 | 101 | Medium Jungles: Clearing medium jungles and trees upto 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)\n\n | | 1250 | Sqm |
|---|
| 3 | 102 | Earthwork in bank trimming to the designed section /slope including removing the soils and depositing on bank/toe of proposed structures As directed by the department. Including clearing light jungles, debries and other foreign materials et. with all lead & lifts, etc. complete as directed.\n\n\n\n\n | | 568.75 | Cum. |
|---|
| 4 | 103 | 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 Dibrugarh.\n\n\n | | 14355 | Sqm. |
|---|
| 5 | 104 | 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 Custom Duty for Dibrugarh\n | | 18341.2 | Sqm. |
|---|
| 6 | 105 | 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) (Anchorage arrangement for holding the Geo Mat at both end of the slope shall be measured and paid separately). | | 18341.2 | Sqm |
|---|
| 7 | 106 | Labour charge for laying Geo fabric sheet as filter below pitching.\n\n\n | | 14355 | Each |
|---|
| 8 | 107 | Earth work in excavation of drainage channel to the proper grade and slopes as required including desposing the excavated debris/soil to a safe distance of minimum 50 m distance as directed. Normal Soil\n\n | | 450 | Cum |
|---|
| 9 | 108 | Supply of coarse sand for Geo Mattresses Filling | | 5502.38 | Cum |
|---|
| 10 | 109 | 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, compiling 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 . \n\n | | 800 | Nos |
|---|
| 11 | 110 | Collection and Supply of silt from sand char beyond 150m upto 500m of river bed free from dust & any other foreign material including necessary carriage, loading unloading, stacking in regular measurable stacks at the site of work including payment of forest royalty, sale tax etc. as directed. | | 8696.4 | Cum |
|---|
| 12 | 111 | Excavation of specified silt from flood plain or adjacent chars, within a distance of 1000M of the work site and filling geobags of size 1.03M x 0.70M with silt, Weighing the same, for each silt filled bags to weigh 126 kg after filling, stitching the Mouth of the filled bags with polypropylene or polyester thread by power driven double needle machine as per drawing and technical specification, stockpiling the same in batches of 100 for easy counting and carrying the same and unloading in the work site or in the dumping pantoon/ barge stationed in the work site by engine boat including all loading and unloading, handling charges and any local carriage within a distance of 250m including all lead and lift etc complete as directed. (Geo bags to be supplied by the Deptt.)\n | | 99000 | Nos |
|---|
| 13 | 200 | Below water bank protection works: | | | |
|---|
| 14 | 201 | Dumping of sand/silt filled Geobags from properly positioned and anchored flat top pontoon/ barge over an area specified by bathymetric survey for uniform area coverage along the bank line upto the designed length towards making a provisional falling apron at the end of the section away from bank line including loading , unloading , sequential stacking on the pontoon /barge including mobilisation of all necessary equipment etc. complete as per technical specification and approved design and contractor’s method statement . the pontoon(minimum length -30m) position shall be monitored by RTK-GPS or Total Station upto a accuracy of + 10cm and a minimum 30m long barge /pontoon and should cover at least an area of 30m x 20m per working day including the provisional falling apron as per design and technical specification and direction of engineer-in-charge, as per the Specification \n\n | | 99000 | Nos |
|---|
| 15 | 202 | 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 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. (Geo Bag , Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost) Without Boat\n | | 9600 | Nos |
|---|
| 16 | 300 | Environment Management Plan : | | | |
|---|
| 17 | 301 | Implementation of Environment Management Plan (EMP) and provide necessary safety measures at the sub-project site in adherence and compliance to Clause -2 of Section-6 of contract by submitting and EMP and monthly environmental report in corporating , monitoring, evaluation and intuitional measures to be taken during implementation in the project site and immediate vicinities to reduce the pollution to the acceptable levels as per current standards and regulations of State / Central Government as applicable including take appropriate precautions for safety in respects to safety measure health, welfare , sanitation and working conditions of all workers and officials related to the project work etc. as per direction of Engineer-in-charge. \nFund Distribution as below:\na. Air, Water, Noise monitoring and Pollution Control- 40%\nb. Labour Welfare, Medicine, Health Checkup, Sanitation etc.-20%\nc. Precautionary Safety Measure-20%\nAccess routes and Road maintenance, avoid/minimize Disruption of agricultural activities etc-20% 1 item L/S 1686000.00\n\n\n\n | | 1 | Nos. |
|---|
