Public Works Department Tender

Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm. to 11.2 mm aggregates either using penetration grade bitumen or emulsion to required line. Grade and level to serve as wearing coarse on a perviously prepared base, including mixing in suitable plant , laying and rolling with a three wheeled 80-100 KN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clasue 508.

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type C seal coat as per Technical Spefification Clause -510.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 3 as per Technical Specification Clause 405.

Construction of un-reinforced, expansion and construction joint only, plain cement concrete pavement, thikness as per design, over a prepared sub base with 43 grade cement or any other type as per clause 1501.2.2 M 30 (Grade), coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and apprpriate weigh batcher using approved mix design, laid in approved fixed side formwork (steel channel, laying and fixing of 125 micronthik polythene film, wedges, steel plates including leveling the formwork as per drawing) spreading the concrete with shovels, rakes, compacted using needle, screed and platevibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying sealant, near approaches to bridge/ culvert and construction joints, admixtures as approved, curing of concrete slabs for 14 days and water finishing to lines and grades as per drawing and Technical specification clause 1501 and as per direction of E-In-C fo work.