Anti-erosion measures to protect Rajargram (Lalaong Part-II) area from the erosion of river Chiri on its R/B.

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)

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

Manufacturing, supplying and fixing retro reflective sign boards of size 1.22m X 0.76 m made up of 4 mm 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 @ 20 cm c/c to back support frame of M.S. angle iron of size 25x25x3 mm along with theft resistant measures, mounted and fixed with 2 nos of 900 mm thick pipe vertical post (AISI 202 Grade) of length 3750 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 30cmx30cmx30cm etc.complete. and including making holes in pipes, angles flats, providing & fixing M.S. 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 in black and white colours). Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coat including all leads and lifts etc. complete as per drawing , specification and direction of Engineer-in-Charge.

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).

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 Divisional store to site is 55 KM, For 1 bag / 1 km = Rs. = 0.014 ,For 1 bag / 55km = Rs. = 0.770}

Galvanized Wire Netting Sheet made of 8 SWG wire 152mm square mesh in sheet 2.57m x 1.66m with longitudinal wire at 152 mm center and 76mm projection of each wire on all sides beyond the net size of 2.42m x 1.5m having knots of 12 SWG at every joints, weight of each sheet should not be less than 6.3 kg/ sheet.

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 P.O.L. ,etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed. { Distance from Divisional store to site is 55 KM (0.29 x 55 ) = Rs 15.95 / Sqm

Supply of Geo Bags Type-B (Size 2.00m x 1.50m)( pillow Type) made of composite layers of geo-textile as per specifications below : Woven Geo-textile for the outer cover. The woven geo textile is woven with UV resistant slit film tape fibre with MAVR values of the following properties. Geo-textile used to manufacture geo-textile bags should have high mechanical properties for enhanced durability along with enhanced puncture, abrasion and U.V. resistance characteristics. Geo-textile should be inert to biological degradation and resistant to naturally encountered chemicals, alkalis, and acids. Weight (ISO-9864/ASTMD 5261) ≥300 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) ≥250 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).

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 as directed..(Distance to be calculated with respect to Distance from divisional store to work site 55 km (0.096 x 55) = Rs 5.28 /nos

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

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)

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 Divisional store to site is 55 KM, For 1 bag / 1 km = Rs. = 0.013 ,For 1 bag / 55km = Rs. = 0.715

Collection and supply of brick bats 20-50mm size to work site including loading, unloading, transportation and stacking in measurable stacks including sale tax, compensation if any, etc. complete as directed.

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

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

Local carriage of boulder, metal, 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 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.

Filling and laying in cage with sand/silt filled Geo bags of size 1.03m X 0.70m excluding excavation of specified sand/silt 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 nonwoven Geo-textile bag of dimension2.00mx1.50m excluding excavation of specified sand/silt from flood plain or adjacent chars within a distance of 90m ofthe work site, filling geo bags with sand having minimumvolume 0.612 Cum after filling ,double locking chain stitchingthe mouth of the filled bags with polypropylene thread bypower driven double needle machine, laying at proper siteincluding all handling charges and local carriage within adistance of 100m complete as directed.(Sand/silt, Geo Bagand Polypropylene thread will be supplied by the departmentfree of cost)

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of sand/silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/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.(sand/silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Collection and supply of River silt by truck carriage free from debries and other foreign material, etc. complete as directed. By manual Means For initial upto 1.00 km & for all lifts.

For beyond initial 1 km & upto 10.00 km & for all lifts.For 8km = 7*15.47 = 108.29

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10m X 0.10mX 2.00m with M-30 grade of cement concrete conforming to IS1343 : 2012 using super-plasticizer @1.2 lit/bag ofcement with graded broken coarse aggregates up to20mm size down conforming to IS 10262:2009 & IS456:2000 and reinforced with 4 Nos. of 4 mm dia hightensile steel wire cable / strand with necessary coverand 4 mm high tensile stirrups at 250mm C/C, inconformity with IS-6403:R2002 and stressed torequired strength not exceeding 9.18 N/mm, holes of16 mm dia at 50 cm inside from both ends in the sameface and in either face of post another 2 Nos. of holesof size 16 mm dia at 65mm inside from both ends including properly curing for 21 (twenty one) days and carriage of porcupine members from factory to the stack yard within a distance up to 50 Km including loading, unloading & stacking complete as directed.

Carriage of PSC porcupine members of size 0.10m X 0.10m X 2.00m from Stack yard to Work Site includingloading, unloading & stacking (Considering 20Km) (Supply from Divisional store to stack yard / site = 55km & (55x1.16)=69.30

Labour charge for launching of PSC Porcupineincluding carriage of PSC porcupine members of size0.10m × 0.10m × 2.00m from the stack yard to theplace of launching, erection of the orcupine with 6(six) members properly, supply & fitting/fixing with12 mm dia 25 Cm long M.S. Nuts and bolts ndlaunching the porcupine properly as directed. (Lead up to 150 m)Launching without boat

Labour charge for launching of PSC Porcupineincluding carriage of PSC porcupine members of size0.10m × 0.10m × 2.00m from the stack yard to theplace of launching, erection of the orcupine with 6(six) members properly, supply & fitting/fixing with12 mm dia 25 Cm long M.S. Nuts and bolts ndlaunching the porcupine properly as directed. (Lead up to 150 m)Launching with boat

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.

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

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

Collection of river gravel & shingles of size 20mm to 40mm in average free from dust, dirt and other foreign materials including necessary carriage and stacking in regular measurable stacks at quarry site, monopoly, etc. Complete as directed. (7.5% deduction will be made from the stack measured quantities on account of void)

Earth work in embankment by mechanical means by truck carriage in ordinary/normal soil excluding sandy and rockysoil free from roots & vegetation and stacking in regularmeasurable stacks at suitable places including clearing debries, breaking clods up to 4 cm cube, excluding paymentof forest royalty if any, etc.( 12.50 % deduction will be made from measured quantities on account of shrinkage) For initial lead upto 1 Km and for all lifts,,For every Km extra lead beyond initial lead of 1 km & upto 10 kms (Rs.225.52+(17.05X9)

Spreading of earth stacks over the crest and slope ofembankment and places as directed in uniform layer of 22cm. thick including breaking clods, dressing, ramming etc.complete where necessary including dressing of theembankment, etc. complete as directed.