Udalguri/SDMF/1

Clearing and grubbing road land including uprooting wild vegatation ,grass, bushes,shrubs,saplins 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 lead of 1000 m including removal and disposal of top organic soil not exceeding 150mm in thickness as per technical specification clause 201 ( a ) In area of non thorny jungle

Excavation for structures (Earthwork in excavation of foundation of structure as per drawing and technical specification including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides ands bottom and backfilling with approved material. I) Oridinary soil A) Manual Means (II) With dewatering

Construction of Embankment with approved Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting p g to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) Private Land

Construction of subgrade and earthen shoulders with approved material obtained from borrow pitrs with all lifts and leads, transporting to site,spreading,grading to required slope and compacted to meet requirement of table 300.2 with a lead upto 1000 m. as per technical specification clause 303.1 (a)From Private land

Granular Sub -base with Well Graded Material (Table 400.1) By Mix in place method 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. ii ) For Grading II Material

WBM Grading 3 Using stone sceening Type- B 11.2mm for Gr. III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means.

Inter locking concrete Block pavement Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/Edge restraints.

Supplying and installation of Green facia unit with three dimention erosion control mat and welded mesh panel and integrated tail as secondary reinforcement of length 3m that is made of mechanically woven, double twisted hexagonal shaped wire mesh mesh type 10x12 having D= 100mm with tolerence of +/-2%, wire dia ID/OD 2.7/3.7mm, Zinc+ 10% AI Alloy+ Polymer coated, MORTH specification No 3100 along with local seeds for vegetation as directed by Local Horticulture Dept. Assam..

Providing and laying one layer of Non woven Geo textile of minimum mass per unit area of 280gms/sqm. having minimum roll width of 5.0m treated with carbon black with physical properties as given in clause no 702.2.3 over 25mm thick compacted sand layer on a prepared subgrade as a filter media with necessary overlaps as per drawing and technical specification and as directed by the Engineer in charge. completed .

Providing and laying of high strength flexible geo-grid as primary reinforcement at site store maintained by contractor with a high quality coating like LDPE or equivalent. Latex or Polymer coating or geo-textile or any other coating shall not be permitted. Selection of geo-grid be strictly based on long term design strength values for a design life of 120 years at 30 degree celcius GEOGRID shall have high strength flexible uniaxial with low creep characterististics consisting of polyester (PET) & having an outer protective coating of low density polyethylene sheath. It shall have ultimate tensile strength as mentioned below against each sub item for reinforcement in flexible tetaining wall etc.. complete as per detailed technical specifications attached and as directed by Engineer -in-charge. Ultimate tensile strength - 500 kn/m.