Const. of RCC Box Culvert bridge (Size 4.00m X 4.00m-3 Cells) including Bridge approaches from Boro Kurshakati to Khagrabari village road under Kokrajhar district. TN_45_02

Clearing and grubbing road land including uprooting wild vegetation, grass, buses, shrubs, saplings and trees of girth up to 300mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000m including removal and disposal of top organic soil not exceeding 250mm in thickness as per Technical Specification Clauses 201. (I) By Manual Means (A) In area of non thorny jungle

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. 1) By manual means c) R.C.C.

Construction of embankment with approved material obtained from borrow pits with a lift upto' 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300.1 & 300.2 with a lead upto 1000m as per Technical Specification Clause 301.5 (i) Private land

Construction of sub-grade 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 with a lead upto 1000m as per Technical Specification Clause 303.1 (i) Private land

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor graded on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with smooth wheell roller to achieve the desired density, complete as per Technical Specification Clause 401 (II) For Grading II Material

Providing and fixing of typical PMGSY informatory sign board with Logo as per MORD specifications and drawing. Three MS Plates of 1.6 mm thick, top and middle plate duly welded with MS flat iron 25mm x 5m size on back on edges. The lower plate will be welded with MS angle iron frame of 25mm x 25mm x 5mm. The angle iron frame of the lower most plate and flat iron frame of middle plate will be welded to 2 nos. 75mm x 75 mm of 12 SWG sheet tubes posts duly embedded in cement concrete M-15 grade blocks of 450mm x 450mm x 600mm, 600mm below ground level. The top most diamond plate will be welded to middle plate by 47mm x 47mm of 12 SWG steel plate tube. All M.S. will be stove enameled on both sides. Lettering and printing arrows, border etc. will be painted with ready mixed synthetic enamel paint of superior quality in required shade and colour. All sections of framed posts and steel tube will be painted with primer and two coats of epoxy paint as per drawing Clause 1701 and Annexure 1700.1

Construction of temporary Bamboo bridge of 3.70m clear road way with Bholuka or Barua Bamboo post 5nos. in each rows driven at least180cm. below ground level and rows not more than 150cm apart from center to center Bholuka or Barua Bamboo dham longitudinal groth both closely placed and tied with half bamboo 90cm to 120cm apart in both layers and two layers of jati bamboo chattais ( top layer should be digonally woven), 70 mm to 100 mm thick brushwood in between chattias should be tied with half jati bamboo on both ends, bamboo railing with bholuka or barua bamboo post placed at150cm apart jati or betua bamboo hand rails of two lines both side of every alternate rows.All tying must be done with cane or coir string and only mature bamboo should be used in work.

Construction of RCC Box Cell Culvert : 3 cells (4.00 x 4.00)m 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. V. Marshy Soil

Filling in foundation trenches as per drawing and technical specification Clause 305.3.9 I. Sand filling

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 B. With Natural gravel II. P.C.C grade M 15 (ii) Nominal mix 1:2.5:5