Protection of Krishnaguru Sewashram and its adjoining areas from the erosion of river Alpajan. PACKAGE 1

Amount

Clearing thick 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 more than 60 % of the area is covered by shrubs,trees etc).

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 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 and roughening or bencing the seat, removing all debric, 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).

Labour for ramming with cast iron rammer to proper compaction including watering if necessary , etc complete as directed.

Supply of Geo-textile bags of type-A (1.03X0.70M) 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.(FOR GUWAHATI).

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 ̄³m/sec (xii) Seam strength = 80 % of geotextiles strength . Stitching of Bags should be Ring Spun Yam stitches with 25OG3OOO denier doubte jine chajn slitch with overlap with stitches along the edge@ minimum 15 stitches per 100mm.(Each Rollofceo Fabric Sheet shoutd b€ suppliec, in properly packed Bundles and should be marked with the Name of n anufacturer & Batch Number clearly on each bundles with WRD Govt. of ASSAM to be printed on it and manufacturing properly the GSM and type of polymer and Test certificate from approved MABL accepted and ISI certified laboratory should invariably be submitted against each batch of material.(FOR GUWAHATI)

Supply of 9 mm dia. Rope polypropylene gabion of size 2m x 2m x 0.45 m having rope weight of 42 gm/m and mesh opening 150 mm x 150 mm with tensile strength of 1560 kg and having minimum weight of 6.20 kg per gabion.

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

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

Filling and laying of polypropylene gabion boxes filled with sandfilled Geo bags of size 2.0m X2.0m X 0.45m including excavation of sand 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 complete as directed. (Geo Bag , Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost) 8.06 Labour charge for laying Geo fabric sheet as filter bellow pitching. Sqm. Without boat

Analysis of rate for 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)Considering 100 Km distance from Guwahati to Sarthebari work site.

Analysis of rate for 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)Considering 100 Km distance from Guwahati to Sarthebari work site.

Carriage of gabion box of size 2mx2mx0.45m including loading and unloading cost POL etc complete and including hire charge of truck with driver and handiman complete as directed(Distance to be calculated with respect to FOR Guwahati)Considering 100 Km distance from Guwahati to Sarthebari work site.

Earth work in excavation for foundation trenches of walls, footings of column, steps and septic tank etc. including refilling the quantity as necessary after completed return filling, dressing, watering, ramming etc. and removal of surplus earth with all lead and lift as directed as specified in following classifications of soil including boiling out water where necessary as directed and specified. (A) Up to a depth of 2 m below existing ground level. (a) In ordinary soil For post = 90x1.65mx1.50mx1.50m=334.13 cum ,For post 84x1.15mx1.50mx1.50m =217.35 cum ,For Cross drainage = 9 x 0.30m x 0.45m x 6.98 m =8.48cum, Horizontal drain=0.30mx0.30x415.00m=37.35Cum and For Beam =215mx0.60mx0.20= 25.80 cum ,For anchorage of Geo-sheet=0.3mx 0.3mx403.00 m=36.27Cum Total Qtty =659.38cum

Providing soiling in foundation & under floor at all levels with stone/best quality picket jhama bricks, sand packed and laid to level & in panel after preparing the sub grade as directed including all labour and materials and if necessary dewatering complete. (a)Flate Brick Soling Footing = 0.75mx0.75mx174 =97.87 Sqm Beam=415.00m x 0.45m =186.75 Sqm For cross drainage =18 x 0.40m x 6.98m=50.26 sqm and Horizontal drain=0.30mxx415.00m=124.50 sqm. Total Qty=459.38 Sqm

Plain cement concrete works with coarse aggregate of size 13mm to 32 mm in foundation bed for footing, steps, walls, brick works etc. as directed and specified including dewatering if necessary and curing complete ( shuttering where necessary shall be measured and paid separately (a) In Prop 1:3:6 Post = 174x 0.75mx 0.75m x 0.10m =9.78 cum ,Beam=415.00m x 0.45m x 0.10 m =18.68 cum ,Cross drainage = 1 x 9x0.075 mx .40m x 6.98m = 1.88 cum , 2 x9x 0.10m x 0.15m x 6.98m =1.88 cum, Total Qtty=32.22cum

Supplying, fitting & fixing in position reinforcement bars conforming to relevant IS code for RCC works/RB walling including straightening, clearing, cutting and bonding to proper shapes and length as per details, supplying & binding with 20-G annealed black wire & placing in position with proper blocks, supports, chairs, spacers etc. complete ( up to 1st floor levels) (a) From Primary Producer : Tata /Sail/ Jindal Steel/ Shyam steel /RINL (ii) Super ductile (SD) TMT reinforcement bars. 8mm dia bar for Bottam jali @ 150mmc/c Footing(jali @ 150mmc/c) =174 x 0.70m x 6 x 0.39 kg/m= 285.02 kg 10mm dia bar for column = 4x 174x 1.834 mx 0.62 kg/m =791.40 kg 10mm dia bar for Beam = 4 x415.00m x0.62 kg/ m = 1029.20 kg Tie bar for dowel bundh =3320 x 0.65 mx 0.62 kg/m = 1337.96 kg 8mm dia Stirrup bar@125mmc/c column =174 x 14x 0.45m x 0.39kg/m=427.52 kg Beam =3321 x .055m x 0.39 kg/m =712.35 kg Tie bar for dowel bundh =415m x 2x0.39 kg/m =323.70 kg Total =4907.15 kg 5% for wastage, lapping etc. =245.36 kg . Total Qty=5152.51Kg = 51.53Qtl

3.1.1.1 Foundation footing ,bases, of column,pile cap, raft and mass concrete works etc.(b) Using 25mm thick plank Footing = 174 x 4 x 0.75 mx 0.10 m = 52.20 Sqm ,174 x 4 x ( 0.75+0.30)/2 x 0.225 m = 82.21 Sqm, 174 x 4 x 0.75 m x 0.15 m = 78.30 Sqm, 174 x 4 x 0.30m x 0.30 m = 62.64 Sqm, 174 x 4 x 0.15m x 0.15 m = 31.32 Sqm Total Qty=306.40 Sqm

3.1.1.2 Side of beams grade beams etc .at or below ground levels of beam,(b) Using 25mm thick plank Beam =2 x 0.20m x415m = 166.00Sqm, 2x 415m x 0.30m = 249.00 Sqm, 2 x 415 m x 0.15 m = 62.25 Sqm Total Qty = 477.25 Sqm

Providing and laying plain/reinforced cement concreted works in proportion 1:1:2 including dewatering if necessary and curing complete but excluding cost of from work and reinforcement for RCC ( form work and reinforcement should be measured and paid separately) (e) M 20 grade of concrete (A) In sub structure up to plinth level. Footing = 174 x0.75m x0.75m x0.15m= 14.68 cum [(0.225m x 0.225m) + (0.225m x0.30 m) ] x174 x 0.225m =4.70 cum 174x 0.30m x 0.30m x 0.30m = 4.70 cum Beam = 415m x 0.15m x 0.20m =12.45Cum Dowel Bundh = 415m x 0.55 mx 0.45m = 102.71 cum Deduct for over lapping portion of beam and Dowel bundh =415 m x 0.150m x0.10 m(-) = 6.23 cum Total Qty=133.01 Cum

7.06:-Providing cast in situ plain cement concrete slab of size 0.50m X 0.50mX 0.15m, made in proportion 1:2:4 on trimmed graded slope of river bank including ramming the seat, curing etc. complete as directed.

SURAJIT ROY

Pradip Kumar Agarwalla

Ashok Kumar Agarwalla

Rabindra Chhawchharia