REPAIRING AND SURFACING WORK OF BITUMINOUS ROAD FROM KAMARIA MORE

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. II) By Mechanical Means. (A) In area of light jungle.

Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 (Reference to MoRT&H's specification clause 305). [Note : Compensation for earth will vary from place to place and will have to be assessed realistically as per particular ground situation. In case earth is available from Govt. land, compensation for earth i.e. ₹ 43.00/m3 to be deducted from the Rate in Col. 4. The position is required to be clearly stated in the cost estimate.]

Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material within all lifts and lead upto 1000 metres (Reference to MoRT&H's specification clause 305.4.3).

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel / vibratory roller 8-10 tonnes 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 and compacting to the required density (Reference to MoRT&H's specification 404). (A) By Manual Means Grading- 1 (Table 400-9). Using Screening (Table 400-10) Type-B (11.2 mm aggregate)

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel / vibratory roller 8-10 tonnes 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 and compacting to the required density (Reference to MoRT&H's specification 404). (A) By Manual Means Grading- 2 (Table 400-9). Using Screening (Table 400-10) Type-B (11.2 mm aggregate)

Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). (i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm)

Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). ii) On Granular surface treated with primer @ 0.25 kg-0.30 kg /sqm.

Providing, laying and rolling of open-graded premix surfacing of 20mm thickness composed of 13.2 mm to 5.6mm aggregates either using viscosity grade bitumen of approved grade 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 tandem or other approved type roller 8-10 tonne capacity, finishedtorequiredlevel andgrades (Reference to MORT&H's specification clause 510) Case-I: Mechanical method using approved grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour .

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using. Type A and B seal coats (Reference to MORT&H's specification clause 511) Case - IV : Type B Providing and laying of premix sand seal coat with bitumen emulsion of suitable approved grade.

Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc (Reference to MORT&H's specification 805). (ii) Ordinary kilometer stone (precast)