supply of materials for water supply maintenance, arresting leakages road cutting restoration and other maintenance jobs in division no. 22 to 25 and 31 to 35 in khammam municipal corporation- 43/53 grade ordinary port portland cement 8112/12269 2. methods of physical tests for hydraulic comments 4031 (part 1 to 15) - 1988 ii. aggregates : 1. aggregates (coarse and fine) from natural source for concrete 383 - 1970 2. specification for sand for masonry : 2116-1980 3. method of tests for aggregates for concrete : 2386 (part-i to iv) - 1963 iii. building stones : 1. method of tests for determination of strength properties of natural building stones 1121 (part i to iv) - 1974 part - i : compressive strength part - ii : transverse strength part - iii : tensile strength part - iv : shear strength 2. quarrying stones for construction purposes, recommended practice 83831-1977 3. measurement of buildings and 1200 (part-iv) - 1976 civil engineering works 4. stone masonry: specifications for dressing natural building stones 1129-1972 (part – iv) 5. drilling and permeability tests 5529 (part iii) - 1973 6. code of practice for permeability tests (during and after construction) 11216 - 1985 iv. steel 1. code of practice for bending and fixing of bars for concrete reinforcement 2502-1963 2. specifications for high strength deformed steel bars and wires for concrete reinforcement : 1786-1985 3. recommendation for detailing of reinforcement in reinforced cement concrete works 5525-1969 4. mild steel and medium tensile steel bars for concrete reinforcement 432 (part – viii) – 1982 5. measurement of building and civil engineering works part - viii steel works and iron work) 1200 (part – viii) - 1993 v. masonry 1. code of practice for construction of stone masonry rubble stone masonry 1597 (part-1) - 1992 2. measurement of building and civil engineering works plastering and pointing. 1200 (part-xii) - 1976 vi. concrete: 1. measurement of building and civil engineering works method of concrete works 1200 (part-ii) - 1974 2. concrete works : code of practice for plain and reinforced concrete 456 - 1978 3. precast concrete coping blocks 5751 - 1984 4. method of testing for strength of concrete 516 - 1959 5. specification for admixtures for concrete 9103 - 1979 6. method of sampling and analysis of concrete 1199 - 1976 7. concrete mixer - batch type 1791 - 1968 8. concrete vibrators - immersible type 2505 - 1980 vii. earth work : 1. measurement of building and civil engineers works method for earth work 1200 (part – 1) - 1974 2. safety code for filling and other deep foundations 5121 - 1969 3. safety code for excavation works 3701 - 1966 4. code of practice for earth work on canals 4701 - 1982 5. method of testing for soils determinations of water content 2720 (part – ii) - 1973 6. determination of water content dry density relation using light compaction 2720 (part-viii) - 1980 7. determination of dry density of soils in place by sand replacement method (first revision) 2720 (part – xxvii) - 1974 8. determination of dry density of soils in – situ 270 (part – xxix) - 1975 viii. other subjects : 1. safety code for scaffolds 3698 (part – i) - 1968 2. safety code for ladders 3696 (part – ii) - 1966 3. recommendation of stacking and storage of construction materials at site 4082 – 1977