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| 1 | Geo Bags- Supply and laying ofof 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)=210 Gms/Sqm.Tensile strength ( ASTMD 4595) ==35 kN/m Tensile Elongation ( ASTMD 4595)==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) = 210 Gms/Sqm.Tensile strength (ASTMD 4595) ==8 kN/m Tensile Elongation (ASTMD 4595)==30%=90% Tensile strength (ASTMD 4632) =0.8kN UV resistance (ASTMD 4355)= 70%/500 hrs(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 andmentioning properly the GSM and types of polymer and Test Certificate from approved NABL accreditedand ISO Certified Laboratory should invariably be submitted against each batch of material)- Without Boat & Barge |
| 2 | Supply of non-woven Geo-textilefabric sheetsof 300 GSM manufactured from 100% virgin Polypropylene (PP) fibrewith 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) UVResistance @ 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 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 andmentioning properly the GSM and type of polymer and Test Certificate from approved NABL accreditedand ISO Certified Laboratory should invariably be submitted against each batch of material) FOR GUWAHATI |
| 3 | Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m 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 volume 0.612 cum after filling,double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, layingat proper site including all handling charges and local carriage within a distance of 100m complete as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost). With Boat |
| 4 | Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-2 ( including compensation of earth.)( Including cost of testing of materials at site and laboratory as directed by the deptt.) as per MORTH Technical Specification no. 305.(a) from private land |
| 5 | Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2) ( including compensation of earth.)(a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.) as per MORTH Technical Specification no. 305. (a) from private land |
| 6 | Granular Sub-base with Close Graded Material (Table:- 400-1) Plant Mix Method (Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density,complete as per cl. 401 (with an initial lead of 5 Km.) (Including cost of testing of materials at site and laboratory as directed by the deptt.) as Morth technical specification no. 401(b) for grading-II Material |
| 7 | Wet Mix Macadam (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sb-base/base course on well prepared surface and compacting with vibratory roller to achieve the desired density ( including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant ) as per Morth Technical Specification no. 406. |
| 8 | (B) Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 1.00 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt.) as per Morth technical specification no. 502. (ii) With bitumen emulsion-CSS-1( IS-8887-2004 ) |
| 9 | Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.) as per MORTH technical specification no. 503 (II)With Bitumen emulsion CSS-1 (IS:8887-2004) (a) Normal bituminous surface |
| 10 | Dense Graded Bituminous Macadam (Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRT&H specification clause No. 507 complete in all respects) ( including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant ) (Including cost of testing of materials at site and laboratory as directed by the deptt.) as per MORTH technical specification no. 507. (a) With hydrated lime / cement as filler (refer table 500-9 of MoRT&H specification) (III) with 30/40 or VG-40 grade bitumenfor GradingII (19 mm nominal size) |
| 11 | Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRT&H specification clause No. 509 complete in all respects) (including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.)as per Morth Technical specification no. 509. (a) With hydrated lime / cement as filler (refer table 500-9 of MoRT&H specification)(III) with 30/40 or VG-40 grade Bitumen for Grading-II (13 mm nominal size) |
| 12 | Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoRT&H specifications no. 803. |
| 13 | Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoRT&H’sfixed to the road surface using the adhesives and the procedures recommended by the manufacturers with three months replacement warranty and free maintenance. |
| 14 | Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with disposal upto 1000 metres. (Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes,in accordance with requirements of lines, grades and cross sections,loading and disposal of cut road with in all lifts and leads upto 1000 metres) as per MoRTH Technical specification no. 301 |
| 15 | Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-2 ( including compensation of earth.)( Including cost of testing of materials at site and laboratory as directed by the deptt.) as per MORTH Technical Specification no. 305.( a ) From Private Land (for 4 nos. of boulder spur) |
| 16 | Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.) as per MORTH technical specification no. 2503 (for 4nos. of boulder spur) |
| 17 | Providing and laying Filter material underneath pitching in slopes complete as per drawing and MORTH Technical specification no. 2504 (for 4 nos. of boulder spur) |
| 18 | Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and MORTH Technical specifications no. 2504. (a) Stone/Boulder (for 4 nos. of boulder spur) |
