Immediate measures for protection of Chenimora Dahgharia and Bollomchuk including Chenglisuti, Missamora and U/S of Bonpuroi, Jamuguri check bund no. 3 on R/B of river Subansiri for 2020-21 RETENDER

Amount

Earth work in embankment by Tractor-trailer carriage in locally available ordinary soil excluding rocky soil free from roots & vegetation and filling in uniformlayers 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 and compacted earth work on account of shrinkage)

Turfing with grass sods of largest possible rectangles of 12 cm. minimum thickness placed closely including dressing earth pagging with Jati bamboo split, watering till the grass grows for a lead up to 90m and all lifts.

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

Supply of Geo textile Bags Type-B (Size 2.00m x 1.50m)( pillow Type) inner dimension made of composite layers of geotextile as per specifications below :Woven Geo-textile for the outer cover. The woven geo textile is woven with UV resistant slit filmtape fibre with MAVR values of the following properties. Geo-textile used to manufacture geo-textilebags should have high mechanical properties for enhanced durability along with enhancedpuncture, abrasion and U.V. resistance characteristics. Geo-textile should be inert to biologicaldegradation and resistant to naturally encountered chemicals, alkalis, and acids. Weight (ISO-9864/ASTMD 5261) ≥250 Gms/Sqm. Tensile strength(MD) ( ASTMD 4595) ≥35 KN/m , Tensile strength(CD) ( ASTMD 4595) ≥35 KN/m Tensile Elongation ( ASTMD 4595) ≥5% & ≤30% , Grab Elongation ( ASTMD 4632) ≥5% & ≤30% , Tensile strength ( ASTMD 4632) = 1.5 KN, UV resistance( ASTMD 4355) = 70%/500 hrs Non woven Geo-textile for the inner layer It is needle punched non woven geo-textile made of 100% polypropylene staple fibers which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. Weight (ISO-9864/ASTMD 5261) ≥300 Gms/Sqm, Tensile strength(MD) ( ASTMD 4595) ≥12 KN/m, Tensile strength(CD) ( ASTMD 4595) ≥12 KN/m, Tensile Elongation ( ASTMD 4595) ≥5% & ≤30%, Grab Elongation ( ASTMD 4632) ≥5% & ≤30%, Tensile strength ( ASTMD 4632) = 1.5 KN, UV resistance( ASTMD 4355) = 70%/500 hrs (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 nonwoven Geo-textile bag of dimension2.00mx1.50m including excavation of sand from flood plain oradjacent chars within a distance of 90m of the work site, filling geobags with sand having minimum volume 0.612 cum after filling,double locking chain stitching the mouth of the filled bags withpolypropylene thread by power driven double needle machine,laying at proper site including all handling charges and localcarriage within a distance of 100m complete as directed. (Geo Bagand Polypropylene thread will be supplied by the department free of cost) ii) with boat

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 including excavation of 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 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. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) i)Without Boat

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

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

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

Filling and laying of polypropylene gabion boxes filled with sand filled Geo bags of size 2.0mx2.0x0.45m including excavation of specified sand from flood plain or adjachent chars within a distance of 90m of the worksite,filling Geo bag with sand 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. (Geo Bag, wire netting sheets and Polypropylene thread will be supplied by the department free of cost) Without Boat :

Carriage of Geo Bags of size 2.00 x 1.50 m including loading &unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman completed asdirected..(Distance to be calculated with respect to FOR Guwahati) (Total Distance: 326.00km)

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)(Total Distance: 326.00km)

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).(Total Distance: 326.00km)

Carriage of Gabion box of size 2.0mx2.0mx0.45m including loading & unloading, 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)

Supply of sewing thread/Yarn PPMF stitching thread (2000 Den,Kaplon) including payment of all taxes.

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10m X 0.10mX 3.00m with M-40 grade of cement concrete with graded broken course aggregates up to 12mm size down and reinforced with 4 Nos. of 4 mm dia high tensile steel wire cable at four corners with necessary cover and 4mm high tensile stirrups at 250mm C/C, in conformity with IS-6403 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia at 50 cm inside from both ends in the same face and in either face of post another 2 Nos. of holes of size 16 mm dia at 65mm inside from both ends including properly curing for 14 (fourteen) days and carriage of porcupine members from factory to the stack yard within a distance up to 100 Km complete as directed.

Labour charge for launching of R.C.C. / PSC Porcupine including carriage of R.C.C./ PSC porcupine members of size 0.10m × 0.10m × 3.00m from the stack yard to the place of launching ,erection of the Porcupine with 6 (six) members properly, supply & fitting/fixing with 12 mm dia 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) i) Launching without boat.

Labour charge for launching of R.C.C. / PSC Porcupine including carriage of R.C.C./ PSC porcupine members of size 0.10m × 0.10m × 3.00m from the stack yard to the place of launching ,erection of the Porcupine with 6 (six) members properly, supply & fitting/fixing with 12 mm dia 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead up to 150 m) ii) Launching by boat:

Local Carriage of Porcupine members by Diesel truck of 10 MTcapacity including loading at stack yard and unloading at river bank up to an average lead of 10.00 Km and all lift, complete as directed.

Construction of temporary shed with 300mm high plinth and floor , Bhaluka bamboo post driving at least 750mm under ground, height above plinth 2400mm,wattle wall mud plastered and white wash two coats, 100mm thick thatched roof, double mat doors and windows etc. complete as directed as specified.

Earthwork in excavation for structures as per drawing and technicalspecifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleteriousmaterial and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I) Ordinary soil upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203A With crushed Stone. I) P.C.C grade M 10 Nominal mix 1:3:6.

Bedding of pipes (A) Type B (First Class) Bedding ii Laying (first class) bedding on well compacted approved granular materail as per clause 1105(i)

Plain/reinforced cement concrete 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 M 20 i) For height upto 5 m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in double row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets as per Clause 1106. B)1000mm dia

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 1303.3

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9 ii) Earth filling (For marshy soil)

M.S Channel, 125 x 65mm for guide and topchannels etc.

M.S Channel, 100 x 50mm for shutter frames , stiffeners girders and cross-members, supports of top channels etc.

M.S Channel, 125 x 65mm for bottom channel etc.

M.S Plate, 10mm for base support plate of guide channels, top and bottom support plate of tool post, roller, boxse, brkts etc.

M.S Plate, 6mm for shutter, overtop, platefoem etc.

M.S Angle , 50x50x6 mm for tool post, overtop frame, anchoring of guide and bottom channels, railing post, railing ladder etc.

M.S Shaft , 50mm dia

M.S flat, 40x6mm for rubber seal etc.

Separator bolt

M.S, electrode , 8 SWG

C.I Boss with internal cutting thread 2TPI ,making grove for bearing slot for lock plate and 1.5'' drill for providing handle as per direction, 125mmx150mm

M.S Base plate, 300mmx300mmx10mm

M.S lock plate, 300mmx300mmx8mm

H.D Thrust ball bearing, 50mm

Distant tube with pin, 75x12mm

Clamp for lock plate

Shaft pin,16mm

G.I Pipe,25mm

J-Type rubber seal,75mm

F Shaped roller bracket roller bracket etc.

C.I Roller with suitable coller & central hole etc. 100x100mm

C.I Roller pin, 16mm dia.

Nuts & Bolts (Assorted Size)

M.S Washer(Assoeted size)

Steel wire brush

Painting brush,3"

Red oxide primer

Antisol red oxide paint

Turpentile oil

Nylon rope

Jati bamboo

Hacksaw blade, 1.5'x'12"(D/E)

Coir rope

W.B Grease

Thread cutting, 2TPI as per direction on 50mm dia shaft

Filled DA Gas

Filled oxygen gas