WBPWD/RD/EE/THD/NIT10/26-27/8

Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs,saplings and trees girth upto 300mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned,uptoaleadof1000metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. (Reference to MoRT&H's specification clause 201). By Mechanical Means In area of thorny jungle i) For chainage 2.00 Km to 4.00 Km.

ii) For chainage 12.00 Km to 15.50 Km.

Restoration of Rain Cuts Restoration of rain cuts with soil, moorum, gravel or a mixture of these, clearing the loose soil, benching for 300 mm width and extending continuously for a sufficient length and height of benches shall be in the range of 150- 300mm. Fresh material shall be deposited in layers not exceeding 250 mm and compacting with plate compactor or power rammers or by suitable implements handled manually to restore the original alignment, levels and slopes as per the requiremnt of MORT&H's specification 3002. i) For chainage 2.00 Km to 4.00 Km.

ii) For chainage 12.00 Km to 15.50 Km..

Providing and applying tack coat with Cationic bitumen emulsion RS1 grade [Pkd.] complying with IS:8887 using emulsion pressure distributor on the prepared bituminous / granular surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). A) On Bituminous surface using Bituminous Emulsion RS1 grade [Pkd.] @ 0.250 Kg/Sqm. i) For chainage 2.00 Km to 4.00 Km.

ii) For chainage 12.00 Km to 15.50 Km.

B) Over granular surface treated with primer using Bituminous Emulsion RS1 grade [Pkd.] @ 0.275 Kg/Sqm. i) For chainage 2.00 Km to 4.00 Km.

ii) For chainage 12.00 Km to 15.50 Km.

Repairing Pot-holes with Bituminous Macadam (Grading - II, for compacted thickness of upto 75mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved pakur variety crushed aggregates of specified grading premixed with bituminous binder VG 30 grade [Pkd] @3.4% by wt. of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with 8 to 10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except the cost of tack coat complete as per direction of Engineer-in-charge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work. Using loose net volume of pakur variety crushed stone agregate 20 mm @ 0.049 cum, 13.2 mm @ 0.232 cum, 5.6 mm @ 0.458 cum, 2.36 mm @ 0.148 cum, 300 micron @ 0.056 cum, 75 micron @ 0.056 cum & VG 30 grdae [Pkd.] Bitumen @ 52.817 Kg per cubic meter of volume. i) For chainage 2.00 Km to 4.00 Km.

ii) For chainage 12.00 Km to 15.50 Km.