RESTORATION OF BITUMINOUS AND CONCRETE ROAD BY DAMAGE DUE TO LAYING OF DI, OPVC AND HDPE PIPE LINE OF ZONE VII SATGRAM OHR UNDER AMRUT 2.0 (PHASE II) WITHIN ASANSOL MUNICIPAL CORPORATION.

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. (a) Depth upto 150 mm.

(b) For each additional Depth of 150mm and part there of

Water Bound Macadam Base course by Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 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 including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Taking ( 1 x 1 x 0.075) Cum for both grade (iii) Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type B (11.2 mm) A. Mechanical Means.

(iii) Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm) A. Mechanical Means.

Supplying, spreading and compacting Sand to required thickness, in layers not exceeding 150 mm to proper gradient and camber , inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary ( 1 x 1 x 0.075) Cum

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). ((i) For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening

Providing and applying tack coat using Cationic bituminous emulsion of approved grade conforming to IS : 8887-1978, over prepared surface including cleaning of surface with mechanical broom, moistening the surface, applying tack coat including cost and carriage of emulsion, hire charges of machineries and labour, cost of fuel and lubricants all complete as per specification and direction of the Engineer-in-charge. (a) On Granular surface @ 0.25-0.30 kg per 1 m2 :

(b) On Bituminous surface @ 0.20-0.30 kg per 1 m2

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all otherincidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H(5th Revision). (i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm) (Vide Page-247; Item-5.01)

Bituminous Macadam using Mobile Hot Mix Plant (Light duty). Laying Bituminous Macadam of specified grade using Hot Mix Plant (HMP) and using approved aggregates conforming to specified grading and bitumen over prepared surface, including carrying the hot premixed materials by means of tipper truck, spreading, the mixed material at specified laying temperature over the prepared surface by means of a suitable paver finisher, tamping and finishing the mix to specified grade, line and camber, thorough rolling with suitable power rollers for break down, inter-mediate and finished rolling as per specification, hand packing and pinning to give an even surface including cost and carriage of stone materials & bitumen, and hire charges of HMP and all other machines and equipments, cost of fuels and lubricants and wages of operational staff, quality control as per IRC Specification all complete excluding cost of applying tack coat, asper specification for Road & Bridge Works of MoRT &H (5th. Revision) B. For Grading II (19 mm nominal size, 50-75 mm thick.)