WBMAD/ULB/RM/NIT- 24e/25-26/SL2

Repairing Pot- holes and making up small depression with ramming or power rolling including screening , cleaniong chips or metals and washing , drying as necessary and heating the chips or metal where necessary , cutting pot holes to regular shape with vertical edges, cleaning the disintegrated materials , heating matrix and applying tack coat ( inclu. sides ) finishing the top of repaired surface levelled with adjoining area , including cost and carrige of stone aggregates and matrix excluding the cost of applying tack coat.

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the Compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) On Bituminous Surface.

(ii) On Granular surface

Providing and laying bituminous macadam with Mobile Hot Mix Plant (Light Duty) using approved crushed aggregates of specified grading as per Table 500.4 premixed with bituminous binder , transported to side laid over a previously prepared surface at specific laying temperature by means of approved and suitable arrengements to the required grade , level and alignment and rolled with suitable power roller for break down , inter - medite and finished rolling as per specification to achieve the desired compaction...................... B. For Grading II ( 19 mm nominal size, 50 - 75 mm Th.)

Providing, laying and rolling of open graded premix surface of 20 mm th. composed of 13.2 mm (@ 0.018 m3 /m2 ) and 11.2 mm ( @ 0.009 m3/m2 ) size stone aggregates , including throughly cleaning of the surface , screening , cleaning and pre - heating stone chips and fully pre - coating the same either using viscosity grade paving bitumen or cut - back or emulsion carrying the mixture by any suitable arrangements , laying the mixture uniformly over the surface.....

Providing and laying Premix Seal Coat (Type - B ) with approved quality sand/grit @ 0.60 m3 /100 m2 and bitumen binder on throughly cleaned black top surface coated with tack coat including heating and mixing cleaned sand/grit ( 100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder ........ II. By Manual Means. With Hot Bitumen Binder(@ 6.8 Kg. /10m2

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