SOPD_G_21_22_35 Construction of road from Damcherra to Birshima via Raifalmara and Baroghor (Assam Mizoram Border) (Ch. 15300.00 to 27300.00 m) under SOPD-G for the year 2021-22, Katlicherra LAC (Part-III)

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. i) By Manual Means A) In area of non-thorny jungle

Cutting of trees, including cutting of trunks, branches and removal of stumps & roots, refilling refilling, compaction compaction of backfilling backfilling and stacking stacking of serviceable serviceable material material by manual means with all lifts as per Technical Specification Clause 201. Lead upto 100 m Girth above 300 mm to 600 mm

Cutting of trees, including cutting of trunks, branches and removal of stumps & roots, refilling refilling, compaction compaction of backfilling backfilling and stacking stacking of serviceable serviceable material material by manual means with all lifts as per Technical Specification Clause 201. Lead upto 100 m Girth above 600 mm to 900 mm

Excavation in soil in Hilly Area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with a lift upto 1.5 m and a lead upto 20 m as per Technical Specification Clause 1603.1

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 comp g actin 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 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. (i) Private Land

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 (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 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up the interstices of coarse aggregate, watering and compacting to the reqd. density 2) Grading –III (Patching) (b) Using Screening Type-B (11.2mm Agg.)

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

Hume Pipe Culvert 1000mm Dia Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specification Clause 1104 includding setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Bedding for Pipe (B) Type B (First Class) Bedding Laying (First Class) bedding on well compacted approved granular material as per Clause 1105 (ii)

Stone masonry work in cement mortar in foundation complete as per drawing and technical specifications Clauses 702, 704, 1202 & 1203. III Random Rubble Masonry In 1:3 cement mortar

Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification

Providing and Laying Reinforced Cement Concrete Pipe NP3 as per design in Single Row Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. 1000mm dia

Construction of unlined surface drains of average crosssectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307. (A) Manual Means

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 i. 900mm equilateral triangle

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 iii. 600mm circular

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

M/S R.A.Mazumder