tender for patching/repairing of the canal service road from km 2.000 to 6.790 of the birhun minor - patch work of service road on birhun minor from km 2.000 to 6.790. - providing, laying, spreading and compacting stone aggregates of specific sizes (45 - 63 mm gauge) to water bound macadam (wbm-2) as levelling coat specification including spreading in uniform thickness, hand packing, rolling with smoothwheel roller 80-100 kn in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per mord per technical specification clause 405 2 providing, laying, spreading and compacting stone aggregates of specific sizes (22.4-53 mm guage) to water bound macadam (wbm-3) specification including spreading in uniform thickness, hand packing, rolling with smoothwheel roller 80-100 kn in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 3 as per mord technical specification clause 405. 3 providing and applying tack coat with bitumen (vg-10)using bitumen pressure distributor at the rate of 0.35 kg per sqm on the prepared granular surfaces treated with primer & cleaned with hydraulic broom as per mord technical specification clause 503. 4 providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen (vg-10) to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in suitable plant, laying and finishing with paver finisher and compaction with three wheel 80-100 kn static roller capacity, finished to required level and grades to be followed by seal coat type-c as per mord technical specification clause 508 5 providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using type-c as per technical specification clause 510