Anti-erosion measures to the dyke along L/B of river Sonai from S. M. Road to Dharmikhal (R/B of river Rukni) restoration of damages at Malugram Ph-I RETENDER

Amount

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

Carriage of Geo Bag of size 1.03X0.70 m including loading and unloading, stacking, cost of POL etc. complete and including hire charge of truck with driver and handyman, complete as directed. Distance from Guwahati to Silchar is 400.00 KM and Silchar to work site 28 KM

Filling and laying of Geo-bag of size 1.03mx0.070m including excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling Geo-bags with sand weighting 126.00kg after filling, stitching mouth of the filled bags with poly propylene or polyester thread by power driven double needle machine, stacking the same batches of 100, carrying the same to the dumping site including all handling charges all local carriage within a distance of 150m and laying properly in cages made of wire netting sheets of size 2.57mX1.66m of 8G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires complete as directed. (Geo-bags, Wire-netting sheets and Polypropylene /Polyester thread will be supplied by the Department at 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.

Supply of non-woven Geo-textile fabric sheets of 300GSM manufactured from 100% virgin polypropylene (PP) fibre with minimum properties as (i) Tennsile strength >_12KN/m (ii) Mass >_300.00Gm/m2 (iii) CBR Puncture strength >_3.5KN (iv) Elongation at break >_60% (v) Abrasion>_70% (vi) UV Resistance @ 500hours>_70% (vii) AOS <_75 micron (ix) Permitivity >_1.25 (x) Trapezoidal Tear Strength <_340N (xi) permeability = 2.00x10-3 m/sec (xii) Seam strength = 80% of geotextiles strength . Stitching of Bags should be Ring Spur Yam stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100mm. (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 Certificate Laboratory should invariably be submitted against each batch of material).

Labour for laying Geo-synthetic woven fabric as per direction including clothing to the required size stitching the joint after wrapping of pipes brick bats / gravels with nylon thread (supplied by the Deptt.) including carriage of materials etc. as directed.

Carriage of 300 GSM Geo-sheet of including loading and unloading, stacking, cost of POL etc. complete and including hire charge of truck with driver and handyman complete as directed. Distance from Guwahati to Silchar is 400.00 KM and Silchar to work site 30 KM

Providing Moist mortar filled ECB @ 0.028 M3/bag on trimmed river slope including preparing the moist mortar Concrete (1:4) filling and stitching the mouth with nylon/plastic thread including preparing seat of bags, complete as directed. For initial lead upto 30.00M

Labour charge of laying boulder in cage made of wire netting sheets made of 8 G wire mesh of size 2.57x 1.66m two sheets to be used to make one cage (W.N. sheet will be supplied by the deptt. Free of cost) making the cages by tying the project ends, filling moist mortar filled cement bags inside the cage and launching the same in place as directed including all handling charges and local carriage of boulders from a distance of 150 M etc. completee as directed (without boat)

Supplying of Galv. wire netting sheets of size 2.57 X 1.67 m made of 8 G wire of 152mm Sq. mesh including 76 mm projection of each wire on all side beyond the net size of 2.42m x1.51 mm including labour charge for loading, unloading, stacking cost of P.O.L. and all taxes etc. complete as directed . (weight of each sheet not less than 6.30kg)

Carriage of wire netting sheets of size 2.57 X 1.67 m made of 8 G wire of 152mm Sq. mesh including loading & unloading, stacking, cost of POL , etc complete and including hire charge of truck with driver and handyman complete as directed. (From Store to site=28.00KM)

Local carriage of boulder, metals, gravel, brick bats, etc. from the approachable site beyond 150m and upto 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.

Construction of temporary shed of two roof with mud plinth 0.45m height above G.L. with Bhaluka Bamboo post 1.50 m apart driven at least 0.75m below ground and height above plinth 2.50m. Split jatti bamboo wall mud plastering & white washing two coats & 10cm thick thoch roofing over bamboo barua frame placing at 0.15cm clear apart fitted with bamboo kamies from binding doors & windows with bamboo chattai strengthening with bamboo frame binding with wire etc. cpmplete as directed [Using Bhaluka bamboo at the rate of 6.00 nos./Rm and Jati bamboo at the rate of 61.00 Nos./Rm]. 2x8x6=96.00M2

E.W in toe excavation in foundation of toe cage and slope cage in all kinds of soil to the designed section and level as per direction and depositing the spoil earth to a safe distance place as directed where necessary including dressing ramming bailing out water etc complete as directed.

Earth work in embankment by truck carriage in ordinary/normal soil excluding sandy soil & rocky soil free from roots and vegetation and filling in uniform layers not exceeding 22 cm thick including ploughing or roughening or benching the seats, removing all debries 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 on account of shrinkage) For initial lead beyond 8Km and up to 10.00 Km and lifts

Labour charge for making filter bed of required thickness with stone of size 13mm to 38 mm over the trimmed surface of river bank /embankment, slope, including site carriage of metal with a distance of 150 etc. complete as directed

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

Excavation for structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

Plain/reinforced cement concrete (PCC) in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A. With natural gravel II. P.C.C. grade M 20 i) Nominal mix (1:2:4)

Bedding for Pipe (i) Type A (Concrete Cradle) Bedding Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 (i) , (P.C.C grade M 15,

Plain/reinforced cement concrete (RCC) in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A. With crushed Stone III. RCC Grade M20 for height upto 5 m (I) Using Mixer Machine

Providing form work of ordinary timber planking so as to give a rough finish including centering, shuttering, strutting and propping etc., height of propping and centering below supporting floor to ceiling not exceeding 4.0M and removal of the same for in-situ reinforced concrete and plain concrete work in: Foundation, footings, bases of columns, pile cap, raft and mass concrete works etc. (b) Using 38mm thick plank

Plastering with cement mortar in Prop. (1:4), 15 mm thick on brick wall in Substructure as per drawing and technical specification Clause 613.4 &1204

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 reinforced cement concrete pipe NP-3 for culverts on first class beading of granular material in single row induding fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonary works in head walls and papers clause 1106. 1000 mm dia.

Samsul Haque Laskar

GULGULIA TRADE CORPORATION