Section 8 in The Indian Forest Service (Probationers' Final Examination) Regulations, 1968
8. Forest Engineering I
Building materials - Stones. - Classification, characteristics, quarrying and dressing, natural bed; bricks and tiles - suitable earth, method of manufacture, characteristics of good bricks and tiles, standard size, lime stone and surkhi - sources and classification, burning of lime stone, storing and uses of lime, bulking of sand; cement - properties, types, storing uses; mortars - definition, kinds, proportions, mixing, laying, curing, quantities needed for masonry and brick work; concrete - lime and cement concrete, essentials of good concrete, proportions, mixing, laying and curing of concrete, water-cement ratio and consistency, quantities of ingredients needed; reinforced cement concrete - principles and advantages, location of reinforcements in simple supported beams T-beams, beams, slabs, lintels, balanced cantilevered beams and slabs, columns and their bases, formwork or shuttering; finishing - proportions of lime and cement plasters, method of application and curing, pointing, proportion of ingredients, method of pointing, kinds of pointing, white washing, colour washing and distempering; timber characteristics of a good structural timber, paints and varnishes - characteristics, methods of painting timber and steel structures, wood ceiling, tarring.Building construction. - Selection of site for a forest building or forest colony, preparation of site; foundation - objects, causes of failure and precautions, foundation bed, safe bearing capacities of soils, safe loads on masonry and foundation beds, footing, width of foundation beds, thickness of concrete bed, depth of foundation bed by Rankine's rule, improving bearing power of soft soils, methods of securing safe foundations on soft soils, setting out of buildings, excavation of trenches, plinth courses precautions against termites, damp proof courses; super structure - thickness of walls, scaffoldings stone versus brick, methods of constructing mud, brick, masonry C.G.I. and wooden walls, bonds in brick work-kinds, difference between English and Flemish bonds, details of English bond at comers, junctions and intersection of 1 brick and ½ brick walls, construction of different kinds of masonry walls. Ashlar, Ashlerfaced, random and coursed rubble and dry rubble masonry and dry stone revetments; sills, lintels and arches - kinds of sills and intels and their construction, position of reinforcements in RCC lintels, uses of arches in building and their classification, names of parts, principles of construction and centerings; carpentry - principles of jointing, types of joints, lengthening, bearing and framing joints, common types of joints used in wooden floors, door leaves, roof trusses, roofs - types - sloping and flat roof, sloping roofs - single, double or purlin and trussed roofs, roof slopes, nature of stresses in roof members - wall bearing - wind filling gable and hipped roofs flat the jack arch roof, terraced and RCC flat roofs; roof coverings - thatching, country tiles roofings, Allahabad tiling, Mongalore tiling C.G.D. and sheeting, salting, flashings gutters, hips and valleys, ceilings; floors - trench and basement filling, earth floor, stone floor, tile floor, concrete and wooden floor, doors and windows, fan light, ventilator, clerestory types and sizes normally used, fittings - the frame work, types - ledged and braced batten doors, pancelled, glazed, ventilated and wire gauge doors, swing doors, of and dormer windows, sky light stairs - the stair case, types of stairs, straight, dog - legged, open wall, Newal, bifurcated and geometrical stairs, location and design of stair cases, fire places and chimneys-location, essential parts and common sizes of fire - places, chimney stack, the smokeless chullah and cooking range, lighting conductors - principle materials used, earth connections, estimating - principles and essential parts, project report, specifications, units of measurements, procedure and proformas for detailed measurements and bill of quantities for buildings, taking out quantities for simple buildings, abstracts of cost, plinth area and cube rate estimates, analysis of rates, measurement book; drawings-plan, section and elevation of small building.Strength of materials. - Introduction to stress and strain-Hook's law, Poisson ratio, elastic limit - elastic constants and their mutual relationship, ultimate strength, factor of safety and working stresses, application to timber; bending moments and shear force-definition, BM and SF diagrams, cases of simply supported beams and cantilevers carrying concentrated and uniformly distributed loads.Practicals. - Location of reinforcements in RCC lintels, beams and slabs, columns and weather shades; foundations of buildings, standard foundations and design by Rankine's formula; bonds in brickwork, English bond at comers, junctions and intersections of one and one timber joints in roof trusses and timber stairs; doors and windows different types; plan, section and elevation of a small building with gable roof half brick walls; hipped roof; preparation of a building estimate; BM and SF diagrams - cases of simply supported beams and cantilevers, carrying concentrated/uniformly distributed loads.
