Soil stabilisation and creation of Pilot Urban Forest at Borbari Hillock, Guwahati

Amount

Clearing grass and removal of rubbish up to a distance of 30 m outside the periphery of the area as per Technical Specification Clause 201.

Excavation in ordinary rock using manual means including loading in a truck and carrying of excavated material to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3.5.

Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per Clause 303.5.2 as per Technical Specification Clause 302.3.11

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (ii) Govt. Land

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

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 (II) PCC grade M-20 (i) Nominal Mix (1:2:4)

Brick masonry work in cement mortar in substructure complete excepting pointing and plastering, as per drawing and technical specification Clauses 602, 603, 604, 1202 & 1204

G.I Barbed Wire Fencing 1.8 m high Providing and fixing 1.8 m high GI barbed wire fencing with 2.4 m RCC M15 grade 150 mm x 150 mm concrete post placed every 3 m centre-to-centre founded in M15 grade cement concrete, 0.6 m below ground level, every 15th post, last but one end post and corner post shall be strutted on both sides and end post on one side only and provided with 12 horizontal lines and 2 diagonals interwoven with horizontal wires, fixed with GI staples, turn buckles etc. complete as per Clause 1705.

Supplying of mono oriented steel wire grid/mesh Geocomposite made of mechanically woven Double twisted Hexagonal shaped steel wire mesh interlaced during manufacturing with 8mm steel wire rope in longitudinal direction at 1.5m spacing, (mesh wire dia. 2.7mm /3.7mm heavily Zn+PVC coated Type 10 x 12), including top and bottom support rope, lacing wire or rope required to connect the nets and all accessories such as U-clamps, thimbles, including safety, all other ancillary works, material, machinery, labour, etc. complete as per detailed technical specifications attached and as directed by Engineer-in –charge.

Supply and installation of CE certified three dimensional erosion control mat made of polypropylene polymer of minimum mass per unit area 420 gm / sqm extruded on to a mechanically woven double twisted hexagonal shaped steel wire mesh (as per EN 10223-3)made up of 2.7mm dia having a Polypropylene polymer density min. 900kg/m3. Steel wire and mesh type 8 x 10 having Zn-Al 5% Class A coating as per EN 10244-2 longitudinally weaved during manufacturing with steel cable of 8 mm diameter at a spacing of 1 m. The composite shall have a longitudinal tensile strength of min 70 kN/m and punch resistance is min 75kN with min. nominal thickness of 11mm. Including fixing of U pins of 8mm diameter of depth 500mm at 1m c/c spacing, top support rope, bottom support rope, thimbles, U-clamps, etc at easily accessible location including top and bottom, with all leads and lifts, manpower and machinery, materials,labour etc. complete and as directed by Engineer - In - Charge.

Providing and fixing of continuous threaded Anchors (25mm dia, yield strength > 280 N/mm2) nut, washer plate, coupler for connecting bars with suitable corrosion protection coating for bar and accessories and full length grouting with admixture including all ancillary items for soil nailing as per detailed technical specifications and as directed by engineer in charge.

Arrangement of Revegetation on hill slope with grass or local seeds as advised by local horticulture department

Removal of vegetation, bushes, shrubs in lower and upper section including stacking of useful material, disposing of material from slope within lead of 150 meter as directed by Engineer - In - Charge.

Supply of indigenous tree saplings and plantation of tree saplings including supply of manure etc. complete as directed

Maintenance of the tree saplings by engaging 2 (Two) nos. of Mali for 2 Years

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. External work 50 mm nominal dia pipe

Providing and watering of irrigation water through water tanker of Horticulture features i.e. lawn, tree, shrubs, hedge/edge, ground cover etc. at the site of work. Water tanker having 5000 lit. capacity with one labour for watering i/c cost of water, filling of tanker, wartering at site with all leads and lifts as per direction of officer-in-charge.

Supply of cow dung manure

Topography survey and Drone Survey

nitin kumar jain

TARA CHAND SARAWGI