Construction of roads in Purup Bari Tea Garden Area...

Amount

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, 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 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. B) In area of thory 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. (B) Cement Concrete.

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, and transporting to the embankment location with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 302.3. NH52 to Purupbari Bagan

Construction of subgrade and earhen shoulders with approved materials 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 (a) (i) (Including cost of testing materials at site and laboratory as directed by deptt.)

Construction of granular sub-base by providing coarse 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 vibratory roller to achieve the desired density, complete as per clause 401. (i) For Grading II material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 T in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering & compacting to the required density. Grading 3 as per technical Specification clause 405 (A) By Manual Means (iii) WBM Grading- III

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 (inclusive of Edge restraint and carriage)

Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703 ii) Ordinary Kilometer Stone (Precast).

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 1.5 mm thick supported on GI pipe 50 mm dia 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 1701. (i) 60 cm equilateral triangle.

(ii) 600mm x 450mm rectangular

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5.

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar. (From Primary Producer: TATA/ SAIL/ Esser Steel/ Jindal steel/ Shyams teel/ RINL) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202.

Drainage spouts complete as per drawing and technical Nos. 1640.90 specifications Clause 1209.

INDRAJIT DAS