Anti-Erosion measures to protect Sarif Nagar area from the erosion of River Kakra.

Amount

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)

Supply of Geo-textiles bag of type - A (1.03 X 0.700 made of Geo-textile non woven fabric sheets of 400 GSM manufactured from 100% virgin polypropylene (PP) fibre having thickness not less than 3.00mm with minimum properties as (i) Tensile strength (CD)> 24 KN/m, Tensile strength (MD) > 22 KN/m (ii) Mass > 400.00 GM/M2 (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) Permeabilty 45Lt/m2/Sec (xii) Seam strength = 80% of geo-textile strength, stritching of bags should be Ring Spun Yarn stitched 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 number 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 Laborartort should invariably be submitted against each batch of material).

Supply of galv. Wirenetting sheets of size 2.57 X 1.67 m made of 8G wire of 152mm Sq. mech including 76mm projection of each wire on all side beyind the net size of 2.42m X 1.51 including labour charge for loading unloading stacking cost of P.O.L.

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

Filling and laying in cage with sand filled Geo bags of size 1.03m X 0.70m including excavation of specified 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 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)

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of specified 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)

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

Earth work in excavation in foundation of toe cage and slope cage in all kinds of soil to the designed section and levels as per direction and depositing the spoil earth to a safe distance place as directed including ramming dressing and bailing out of water etc. complate as directed.

Labour for filling the inverted filter drain both horizontal/vertical drain/filter medium with river shingles of size 10-38mm in layers, river boulder of sizes 50-100mm/brick bats of size 10-40mm to the designed sections and levels including local carriage of materials from a distance of 150m 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)

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

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of specified 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.

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 6 Km and up to 8.00 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

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

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 pplacing 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)

Local carriage of boulder, metal, gravel/sand/brick bats 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.

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)

Carriage of 300 gsm Geo sheet of including loading & unloading stacking cost of P.Ol. Etc. complete and including hire charge of truck with driver and handyman complete as diredted. (Distance to be calculated with respect to FOR Guwahati).

Preparation of stack yard of boulder/metal etc. including cutting light jungles and removing the same to a safe distance, leveling the ground , filling up depressions etc. complete as directed

Hire charge of land

Supplying, fitting and fixing in position reinforcement bars conforming to relevent IS code, for reinforced cement concrete works in piles including straightening, cleaning, cutting and bending to proper shapes and length as per specifications and drawings. The rings should be welded with vertical reinforcements as per specified IS codes of practice. (Inclusive of lap length, hook, chair, bend, anchor...etc) (A) TMT bar made of Primary producer (From Primary producer)

Providing cast in-situ manually driven reinforced cement concrete piles of using required grade of cement concrete of required bore-diameter, bulb diameter, lengths and with reinforcement as per specifications and drawings. Reinforcement to be measured and paid seperately. b) Pile dia 300 mm with 750 mm bulb diameter. Above 5M

Extra for using admixture & plasticiser ii) Pile Dia 300 mm

Supplying, fitting and fixing in position reinforcement bars conforming to relevant I.S. Code for R.C.C. work/ R.B. walling including straightening, cleaning, cutting and bending to proper shapes and length as per details, supplying and binding with 20G annealed black wire and placing in position with proper blocks, supports, chairs, spacers etc. complete. (No extra measurement for lap, hook, chair, anchor etc. will be entertained in the measurement as they are included in the rate) (Upto 1st floor level) a) From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL (i) TMT Corrosion resistant steel (CRS) reiforcement bar

Providing and laying plain/reinforced cement croncrete works using cement, coarse sand & 20mm down graded stone aggregate with cost of necessary form work including dewatering if necessary, and curing for reinforced cement concrete work complete as directed (Reinforcement will be measured and paid separately) I) Using mixture machine (A) In sub - structure up to plinth level Foundation, footing, columns with base tie and plinth beam, pile cap, base slab, retaining walls, walls of septic tank, inspection pit and the like and other works not less than 100mm thick up to plinth level.P) Using admixture, plasticiser etc (b) M15 or Prop. 1:1.5:3

Earthwork in excavation for foundation trenches of walls, retaining walls, footings of column, steps, septic tank etc. including refilling (return filling) the quantity as necessary after completion of work, breaking clods in return filling, dressing, watering and ramming etc. and removal of surplus earth with all lead and lifts as directed and specified in the following classification of soils including bailing out water where necessary as directed and specified. (A) Up to a depth of 2.00m below the existing ground level. (a) In ordinary soil

Providing soling in foundation and under floor with stone/ best quality picked jhama brick, sand packed and laid to level and in panel after preparing the subgrade as directed including all labour and materials and if necessary dewatering, complete. (a).Brick on flat soling.

Brick work in cement morter with 1st class brick including racking out joints and curing complete as directed. (I) In Sub-structure upto plinth level including dewatering if necessary (a) In proportion 1:3.

10 mm thick Cement plaster in single coat on fair side of brick/concrete walls for interior plastering up to 1st floor level including arises or rounded angles not exceeding 80mm girth and finished even and smooth including curing complete as directed.in cement mortar 1:3

SWADESH RANJAN PAUL AND JAHAR PAUL JV