Anti Erosion measures to protect Malakar Basti area from the erosion of river Borak on its left bank (Ph I)

Amount

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

Labour for preparation of site by clearing light jungles/debris, night soil, deformed logs, bamboo, broken glass/dish other waste materials and jungles etc. and removing the same from the work site.

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

Filling and laying of Geo bags of size 1.03m X 0.70m excluding 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. (Sand, Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Filling and laying of Geo bags of size 1.03m X 0.70m excluding 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. (Sand, Geo Bag and Polypropylene thread will be supplied by the department free of cost). With Boat

Filling and laying of Geo bags of size 1.03m X 0.70m excluding 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. (Sand, Geo Bag and Polypropylene thread will be supplied by the department free of cost). Without Boat

Collection and supply of brick bats 10-40mm size to work site including loading, unloading transportation and stacking in measurable stacks including sale tax, compensation if any, etc. complete as directed

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

Collection and supply of sand free from dust and other foreign materials from approved quarry including quarrying , carriage , loading , unloading and stacking at stack yard/stack site in suitable measurable stacks including payment of forest royalty , monopoly etc complete as directed

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)Distance from Guwahati to Badarpur is 304.00 KM

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). Distance from Guwahati to Badarpur is 304.00 KM

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

Local carriage of boulder, metal, brick bats/ gravel/sand etc. from the approachable site beyond 150m and up to 3.00Km from the work site including loading from stack and unloading at work site with 10 (ten) ton capacity truck, supplying P.O.L. etc. complete as directed.

Labour charge for laying of soling stone, brick bats, broken stone metal, sand gravel, etc. on approach road including ramming dressing the seat and local carriage of material up to a distance of 60 m complete as directed.

Supplying of Galv. wire netting sheets made of 8Gwire of 152mm (6inch) Sq. mesh in sheets of overall size 2.57m x 1.66m including 76 mm projection of each wire on all side beyond the net size of 2.42m x1.50m having knots of 12Gwire at every joints including loading, unloading, stacking properly complete as directed by the department. ( weight of each sheetshould not be less than 6.30kg)

Carriage of wire netting sheets of size 2.57 X 1.66 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 completed as directed.(From Store to site=20.00KM)

Earth work in excavation of foundation of filter drain in all kinds of soil to the designed section and level along the river bank slope including depositing the spoils in safe distance including wooden shuttering and with all lead and lift etc complete as directed .

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

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

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 8 Km and up to 10.00 Km and for all lifts

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

Manufacturing , supplying and fixing retro reflective sign boards of size 1.22m X 0.76 mmade up of 4mm thick aluminium sheet, face to be fully covered with high intensity encapsulated type heat activated retro reflective sheeting conforming to type -IV of ASTM-D-4956-01 in blue and silver white or other colour combination including subject matter, message (bi-lingual), symbols and borders etc. as per IRC:67-2001, pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure conforming to class-2 of ASTM-D-4956-01 and fixing the same with suitable sized aluminium alloy rivets @ 20cm c/c to back support frame of MS angle iron of size 25X25X3 mm along with theft resistant measures, mounted and fixed with 2- nos of 900mm thick pipe vertical post (AISI-202 Grade) of length 3750mm firmly fixed to the ground by means of properly designed foundation with M15 grade of concrete 30cmX30cm X30cm etc. completeand including making holes in pipes, angles flats, providing & fixing MS message plate of required size, steel work to be painted with two or more coats of synthetic enamel paint of required shade and of approved brand & manufacture over priming coat of zinc chromate yellow primer (vertical post to be painted blackand white colours). Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropiate priming coat including all leads and lifts etc. complete as per grawing, specification and direction of Engineer-in-Charge.

Construction of temporrary 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 plint 2.5m. Split Jatti bamboo wall mud plastering white washing 2 coats, 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 etc compple as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos/ Rm & Jati Bamboo at the rate of 61.00nos / Rm)

Supply of Ordinary labour for miscellaneous work during the working period for three months

SAHAJAMAL