Public Health Engineering Department Tender

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method withRotavator at OMC, and compacting with vibratoryroller to achieve thedesired density, lighting,guarding and barricading including cost andcarriage of all materials and making necessaryearthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 ofSpecifications for Road & Bridge Works of MoRT&H(5th Revision). i) For Construction of Sub Base by compacting 1st class brick aggregates (40 mm down) and sand (in proportion of 60:40). Add cost at site of 0.90 m3 of brick aggregates and 0.48 m3 of medium sand (loose volume) to arrive at the consolidated rate.

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 : Add cost at site of 1.09 m3 of jhama metal and 0.26 m3 of moorum screening (loose volume) to arrive at the consolidated rate.

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