The MORTH Standard Data Book 1 (2019 Second Revision), Volume 1, delivers exhaustive rate analyses and standardized data tailored for construction works on plain and rolling landscapes. It encompasses specifications and cost breakdowns for earthwork, base courses, bituminous and cement concrete pavements, foundations, superstructures, and river training and protection, assisting professionals in road and highway projects to estimate costs and quantities effectively following Ministry of Road Transport and Highways protocols.
نظرة عامة
The MORTH Standard Data Book 1 (2019 Second Revision), Volume 1, delivers exhaustive rate analyses and standardized data tailored for construction works on plain and rolling landscapes. It encompasses specifications and cost breakdowns for earthwork, base courses, bituminous and cement concrete pavements, foundations, superstructures, and river training and protection, assisting professionals in road and highway projects to estimate costs and quantities effectively following Ministry of Road Transport and Highways protocols.
الجمهور
المحتويات
الهيكل
الأسئلة المتكررة
Detailed information on standard excavation rates for different soil and rock conditions is not provided in the available content.
The standard classifies materials by particle size grading (Grades I to VI) with specified aggregate gradations for sub-base and base courses. Costing includes components for labour, machinery, materials including water, overhead percentages on cumulative costs, and contractor profit percentages. Total cost is calculated as the sum of these, with rates expressed per cubic meter. Quantities are uncompacted, and overheads and profits are applied on cumulative costs.
Bituminous pavement guidelines include using bitumen content around 5.4% by weight with aggregates approximately 90-93%, and 2% filler such as lime. Surface treatments utilize bitumen emulsions with specified quantities. Equipment such as hot mix plants, pavers with hydrostatic controls, rollers, and mechanical brooms are recommended. Construction practices include spreading and rolling per specified clauses, mandatory application of prime and tack coats, and testing material sources. Bitumen grades are selected according to IRC:37 standards.
Overhead charges vary by project size, ranging from 8% to 12% for road works, and higher rates for bridge and tunnel works (20% to 30%). Contractor profit is fixed at 10% applied on the sum of civil works cost plus overhead charges. The total cost formula aggregates civil work cost with overhead and profit percentages sequentially, ensuring comprehensive cost estimation.
The book lists hourly usage rates for various equipment such as paver finishers, hydraulic chip spreaders, pot-hole repair machines, transit mixers, concrete pumps, piling rigs, and tipper trucks. Rates consider ownership costs (interest, depreciation, insurance, taxes) and operational costs (fuel, wages, repairs). Output is assumed at 75% of rated capacity to factor operational inefficiencies. Rates vary based on machine power, task, and road surface conditions, supporting precise budgeting and planning.
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