Meghalaya Basin Development Authority Tender

Supplying and laying of ISO 45001 and CE Certified HDPE Geocells made of Heavy Duty quality of Strata Geosystems, sheet thickness minimum 1.65 mm as per ASTM D 5199, impregnated with carbon black of minimum 2% as per ASTM D 1603, with 10 mm diameter perforations, not exceeding 12% of total cell area and rhomboidal texturing over the entire strip on both sides, with Environmental Stress Crack Resistance greater than 5000 hours as per ASTM D 1693 and Seam Peel Strength of 1400 N per 100 mm depth as per US ACE Technical report GL-86-19 or ISO 13426 Method B, to be used on prepared subgrade for ground reinforcement below embankments, structures, pavements and drainage for road works and Retaining Walls as per provisions of IRC: SP 59: 2019including all labour charges etc complete (This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed) a) SW 445 x 200

Providing and Laying of Erosion control mat of 350gsm made with 100% Coir fibre and Brown PP net (9mm X 9mm) Both Sides stitched with Brown PP thread (This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed)

Supplying and laying of ISO 45001 and CE Certified STRATAGRID Knitted Polyester Uniaxial Geogrids with PMB / SBR coating from Strata Geosystems, manufactured from selected high tenacity polyester yarn with high molecular weight (25000g/mol), and low carboxyl endgroup (30mmmol/Kg) with granular fill as per design prepared by Technology Provider of Reinforced Soil Wall and Slope. The Reinforced Soil Wall and Slope should have 100% coverage of 5.7m width knitted and PMB / SBR coated Polyester geogrid for Reinforced Soil Wall and Reinforced Slope application and Ground Improvement below Foundations etc. (Specification : MoRTH Section-3100).(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed)

a) Uni axial Geogrid SGi300

b) Uni Axial Geogrid SGi200

c) Uni Axial Geogrid SGi100

Reinforced Fill Quantity for backfill as per the technical specifications provided (Excluding lead charges)(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed)

Providing and laying Drainage Geocomposite made with Extruded high density polyethylene (HDPE) net drainage core of 5mm thick with a nonwoven polypropylene (PP) geotextile filter/ separator bonded to both sides. (Specification: IRC:SP:59-MORTH Section-700) with prior approval of concerned Superitending Engineer.(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed) a) Terram 1B1

Providing and Installing of SDA anchors for required length as per design and specifications with prior approval of concerned Superitending Engineer.(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed) a) 32mm SDA achors

Cement Concrete M20 grade on top cells

Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and Technical Specification Clauses 802, 803, 1202 & 1203. (1500, 1700 & 2100 MORT&H Specifications)(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed) III .P.C.C. grade M20 (i) Nominal mix 1: 1.5 : 3

Metal Beam Crash Barrier

Metal Beam Crash Barrie Type A- "W" : Metal Beam Crash Barrier Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810 of MORTH Specifications (This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed)

Compacting Original Ground

(ii):Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2.(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed)

MBT Works

Granular Sub-base with Well Graded Material (Table 400.1) (A) By Mix in Place Method. (i) For Grading I Material Construction of granular sub-base by providing well graded material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401.(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed) (A) By Mix in Place Method. (i) For Grading I Material

Water Bound Macadam Sub-base / base 3) WBM Grading 3 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405.(This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed)

Prime Coat (iii) High porosity Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 1.2-1.5 kg/sqm using mechanical means as per Technical Specification Clause 502..

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade binder mixed with silane nanotechnology) Providing laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Typ (This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed)e C as per Technical Specification Clause 508

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 (This include loading ,unloading ,haulage Forest Royalty and all applicable taxes complete as directed) A. By Manual Means Case - I : Type A (I) Bitumen 80/100 grade