PDNA/Udalguri/01

BRIDGE PROPER Construction of cold weather Bamboo bridge overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm center to center and placed over 20 cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Rm Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizantal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts, coir ropes,

Foundation Excavation for Structures Excavation for Structures (Earth work in excavation for foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and 1) In Ordinary Soll i) Up to 3 m depth

Providing and constructing temporary island for construction of pile foundation with depth of water upto 4.0m complete as per technical specification.

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m.

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). As per technical specification of MORTH section no 1100 a) Initial load test

Cement concrete for reinforcement concrete in pile cap complete as per drawing and technical specifications Of MORTH section no 1100,150081700 (N) Without plasticiser A. RCC grade M20

Levelling course for Pile cap Providing and lying of PCC M-15 levelling course 100 mm thick below the pile cap. as per drawing and technical specifications Of MORTH section

Supplying, fitting and placing uncoated TMT bar reinforcement in foundation complete as per drawing and technical specifications of MT MORTH section no 1100, 1500 & 1700

Substructure Plain/ Reinforced Cement Concrete in substructure complete as per Drawing and Technical Specificationclauses 802,804,805,807,1202 and 1204 A) With crushed stone (III) RCC Grade M 30 1) Height up to 5.0

Supplying, fitting and placing TMT bar reinforcement in substructure complete as per drawing and technical specifications of MORTH MT section no 1600, 2200

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MORTH specifications complete including all accessories as per drawing and Technical Specifications.

Superstructure Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. A) With Crushed stones II) RCCM 35 For T beam and slab, 1) Height up to 5.0 m

Reinforcement in Super Structure: Supplying, fitting and placing TMT bar reinforcement in super-structure Including splicing complete as per MT drawing and technical specifications 1600 of MORTH specification of roads and bridge works for superstructure work Providing and laying cement concrete wearing coat M 30 grade

Providing and laying cement concrete wearing coat M 30 grade including reinforcement complete as per drawing and Technical specifications clauses 800 and 1206.3 A) With crushed stone

Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post R not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

Drainage Spouts complete as per approved drawing and technical specifications clause 1209

Burrled Joint (Providing and laying of a strip seal expansion Joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by F the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation).

Providing and laying Pitching on slopes laid over prepared filter media Including boulder apron lald in dry In front of toe of embankment complete as per drawing and Technical specification

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification

Providing and laying of boulder apron laid in wire crates with 4 mm dia Gl wire conforming to 15:250 and 15:4826 in 100 mm x 100 mm mesti (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

APPROACH WORKS Clearing and grabbing road land including uprooting rank vegetation, grass, brush, shrubs sapling and trees of girth upto 300mm removal of stumps, disposal of unserviceable materials and slaking of serviceable material to be used or auctioned upto a lead of 1000m including removal and disposal of top organic and not exceeding 150 mm in thickness as per Technical Specification Clause 201

Construction of Embankment with Material Obtained from Barrow Pits Construction of embankment with approved materials obtained from borrow pits with all lift and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300.1 and 300.2 with a lead upto 1000m as per Technical Specification Clause 301.5

Construction of Subgrade & Earthen Shoulder Construction of Subgrade and earthen shoulder with approved materials obtained from borrow pits with all lift and leads, taansporting to site, spreading, grading to required slope and compacting to meet requirement of Table 3002 with gad upto 1000 Im as per Technical Specification Clause 3031)

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. (A) By Mix In Place Method ii) For Grading II Material

Water Bound Macadam Grading 3 Using stone screening Type-A 13.2mm for Gr-3 Providing, Laying, Spreading and compacting stone aggrigates of specific size to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheeled roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill up the interstices of coarses aggregate, watering and compacting to the required density grading 3 as ner Technical Specification Clause 405

Inter locking concrete Block pavement Providing and laying shaded interlocking concrete block pavement having thickness 80mm as per IS 15658 2006(Compressive strength 47.2N/mm

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces In 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. 30 cm dia. RCC guard post with reinforcement of 6nos. 12mm dia TMT main steel bars and 6mm TMT/MS stirrups at 15cm c/c.

Providing & fixing retro reflectorised cautionary, mandatory and informatory sign as per IRC:67 made encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle Iron post 75 mm x 75 mm 6 mm firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and technical specification Clause 801 (ii)60cm equilateral traingle