Construction of road from Sunduba Chock to Buwalguri (from Ch. 0.00m to Ch. 2350.00m ) by providing ICBP under SOPD for the year 2018-19. (Laharighat LAC) (Balance Work)

Amount

Clearing and grubbing road land including uprooting wild vegetation, grass bushes, shrubs, saplings and trees girth upto 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 150mm thickness. as per Technical specification Clause 201. i) By Manual means (A) In area of light jungle.

Construction of Embankment with 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 to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as perTechnical Specification Clause 301.5. (I) Private Land

Construction of Subgrade and Earthen Shoulders:- 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. (a) From 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 80-100 KN static roller to achieve the desired density, complete as per Technical Specification Clause 401. (iii) For Grading III materials.

Water Bound Macadam with Crushable Screenings:- WBM Grading 3:- Using crushable screening such as moorum gravel 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

Interlocking pavement block: Providing and laying interlocking concrete block pavement with M30 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage.a) Including Edge block/ Edge restraints

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 a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 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) 600mm equilateral triangle

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 a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 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

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.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. A) With crushed Stone (i) P.C.C grade M 10 Nominal mix (1:3:6)

Brick masonry work in cement mortar in foundation complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203. i) Brick masonry in 1:3 cement mortar

Brick masonry work in cement mortar in Substructure complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203. i) Brick masonry in 1:3 cement mortar

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 as per Clause 1106.

Plastering with cement mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification Clauses 613.4 & 1204

Supplying and driving sal piles of 25cm to 30cm diameter, dressed to heart wood including making length in every 30 cm interval, coal tarring two (2) coats with best tar applied hot (Rate inclusive of the cost of the required quantity of tar.) a) with pile engine ( i) Portion of pile actually driven underground

Supplying and driving sal piles 25cm to 30cm diameter, dressed to heart wood including making length in every 30 cm interval, coal tarring two (2) coats with best tar applied hot (Rate inclusive of the cost of the required quantity of tar.) a) with pile engine ( ii) Portion of pile actually driven above ground

Supplying fitting and fixing "U" shaped flat iron strap making 0.5m x 0.3m size from 150mm x 12mm size MS flat including providing 10 bolts holes and fitting with 0.35m long 20mm dia MS bolts including fitting tightly with bearing beam, pile and RSJ beams etc. complete as directed.

Supplying, fitting and fixing timber beam and bearing beam rectangular in size fitted with M.S. etc. supplying spikes etc. as necessary and coal tarring two (2) coats with best tar applied hot as directed (Rate inclusive of cost of the required quantity of tar) (a) Using Sal Timber

Labour for fitting and fixing RSJ beam, CI saddle etc. in position including necessary scaffolding, cutting them to required size, drilling holes and supplying and fixing ncessary bolts and nuts, painting two coats complete (Tar-Steel paints to be supplied by the contractor at his own costs) including all lead and lifts from PWD Godown.

Sal Wood work including supplying , fitting and fixing complete with necessary M.S. bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.) a) Undressed in floor planks, collars, bracing, standards, wheel guards, struts and railings, runner belts, rail, posts etc.

Sal Wood work including supplying , fitting and fixing complete with necessary M.S. bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.) b) In track way planks (alternate nailing to be done with decking in a seggragate way.)

Azar/ Nahar/ Nageswar/ Zarul Wood work including supplying , fitting and fixing complete with necessary M.S. bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.) a) Undressed in floor planks, collars, bracing, standards, wheel guards, struts and railings, runner belts, rail, posts etc

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulicbroom as per Technical Specification Clause 503.

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508. (i) By manual means (i) Bitumen S-90

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510. By manual means. Case - III : Type C (i) Bitumen (S-90)

Dharmajyoti Bordoloi