5th AFC/LNB/05

Amount

WBM Grading 3 : Providing, laying, spreading and compacting stone aggregate of specific sizes to water bound macadam specification including spreading in unirorm thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and booming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 2 as per Technical Specification Clause 405. Grading -III (A) By Manual Means

Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 1.00 Kg/Sq.m. using mecanical means (Low Porosity) (including cost of testing of materils at site and laboratory as directed by the Deptt) with Bitumen emulsin

Tack Coat : (III) : Providing and applying tack coat with bitumen emulsion pressure distributor at the rate of 0.20 Kg per Sqm. on the prepared bituminous/granular surface cleaned with Mechanical broom (including cost of testing of materils at site and laboratory as directed by the Deptt). With bitumen emulsion CSS-1. (c) Granular surface treated with primer

Providing laying, rolling of open-graded premix surfacing of 20mm thickness composed of 13.2 mm to 5.6mm aggregates using penetration grade bitumen 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 smooth wheeled roller 8-10 Tonne capacity to the regd. level and grade (inluding carriage upto initial lead of 5.00 Km quarry and carriage of mixed materils upto 10.00 Km initial lead from mixing plant.(including cost of testing of materils at site and laboratory as directed by the Deptt)

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 seal coats Type B:- Providing and laying of premix sand seal coat with HMP of appropriate capacity not less than 75 tonnes/ hours using crushed stone chippling 6.7 mm size and penetration bitumen of suitable grade.

Earth work in excavation for foundation of structure as per drawings and technical specifications clause 305.1 including setting out, construction of shoring and bracing removal of stumps and other deleterious materials and disposal upto lead 50 m dressing of sides and bottom and back filling in tranches with approved material.

Laying (First class) bedding on well complacted approved granular materials as per clause 1105. (ii) Granular materials

Plain cement concrete M10 (1:3:6 nominal mix ) in leveling course below open foundation of Head wallls as per drawing and technical specification clause 1109.

Brick masonry work in cement mortar 1:4 as per technical specification

Providing laying Reinforced cement concrete pipe NP-3 for culvert on first class bedding of granular materils in double row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, back filling, concrete and masonary works in head wall and preapets clause 1106.

Plastering with cement mortor (1:4) 15 mm thick on brick work in substructure as per technical specification clause 613.4 & 12014.

Providing and fixing of retro-reflectorised cautionary madatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide cl.1701.2.3 fixed over aluminum sheeting, 1.5 mm thick supported on a mild steel angle iron post 75x75x6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrte 450 mm X450mmX600mm, 600 mm below ground level as per drawings and Technical Specification clause 801. (i) 60 cm equilateral tringle

Providing and fixing of retro-reflectorised cautionary madatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide cl.1701.2.3 fixed over aluminum sheeting, 1.5 mm thick supported on a mild steel angle iron post 75x75x6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrte 450 mm X450mmX600mm, 600 mm below ground level as per drawings and Technical Specification clause 801. (iii) 60 cm circular

Routine Maintenance

Manik Sonowal

Palash borah

Deba Nanda Borah

Bikash Saikia

Satyajit Morang