654/26-27 -MAINTENANCE OF POORNA LANE, ILANJI LANE ,GANDHARI AMMAN KOVIL LANE AND INDIA HOSPITAL ROAD IN THAMPANOOR WARD

75.5.5.B.2pb:Modified Penetration Macadam 75 mm thick using Bitumen S-65 - Packed Bitumen Rates <br> Construction of penetration macadam over prepared base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with a three wheel 80-100 kN static roller to achieve the desired degree of compaction as per Technical Specification Clause 506.

75.5.2.1pb:Tack Coat - With Packed Bitumen Rates <br> Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

OD58396/2026-2027:Mix Seal Surfacing-Manual Means-Type A- Packed Bitumen S-65 and Anti stripping Agent. Providing, laying and rolling of close-graded premix surfacing material of 20mm thickness composed of 11.2mm to 0.9mm ( Type-B)aggregates using penetration grade bitumen to required line, grade& level to serve as wearing course on a previously prepared base, including in a suitable plant, laying& rolling with a three wheel 8-10 k N static roller& finishing to required level & grades as per Technical Specification Clause 509. By Manual Means Type A(II) Packed Bitumen (S-65).(Modified 75.5.11.1.A.2Z MORD)

2.5.2.A:Dismantling of Structures<br> Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202.<br>(II) By Mechanical Means <br> (A) Cement Concrete

OD41508/2026-2027: Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc.,

4.11.2:Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal. Construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408. <br>(ii) Using Gravel mix soil.

OD53037/2026-2027:(Mod - 16.84 ) Laying old cement concrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-incharge. (Old CC paver blocks shall be supplied by the department free of cost.)

OD48489/2026-2027:Providing and laying of interlocking concrete block pavements using 60mm blocks (M30) of approved size,design and shape,laid in requirred pattern over and including a bed of 6mm stone aggregate 50mm average thickness etc.complete as per the direction of engineer in charge.