Name of Work:- Construction of Recharge Shaft and ECD in MJSA-2.3 in PS Malakheda (Package No. 04)
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Item Description
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जंगल की सफाई, भारी झाड़ियों तथा 30 से.मी. लपेट तक के पौधों को काटने समेत।
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Excavation including loading, unloading, disposal and dressing of excavated earth within initial lead of 50m and lift up to 1.5m in dry or moist including dressing of excavated area, dewatering wherever required complete in all respect. Hard soil
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जे.सी.बी. मशीन/ट्रेक्टर मय स्क्रेपर द्वारा मिटटी खुदाई कार्य, खोदी हुई मिटटी के डगलों को तोडने (Breaking of clods), घास एवं कंकर, पत्थर को अलग करना (Sorting of grass & pebbles) एवं बण्ड (Bund) का सेक्शन (काट क्षेत्रफल में)/प्रोफाइल संधारित करना मय चढाना एवं उतारना प्रारंभिक लीड 250 मी. एवं लिफ्ट 3 मी. तक। Draft based on chapter 5th of irrigation page number 32 to 34 (दिनाँक 01/02/2017 से मान्य) ईकाई 1 घन मी. मशीनरी कार्य सख्त मिट्टी (in Hard Soil)
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Dag belling work upto 5-7 cm deep
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15 से 30 सेमी मोटे हथोड़े से तरासे हुए एकल पत्थर की पिचिंग समस्त उठान के साथ, आपूर्ति के साथ ।
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Construction of TUBE-WELL upto 100m depth and above in all type of rocks by DTH system and over burden to accomodate casing pipe of following size in all type of soils and over burden including lowering of casing pipe but excludind cost of casing pipe as per IS 2800 (part I & II ) 1979 spwcifications . The work should be completed after obtaining sand free water . The tube well should have a throughout bore as per nominal dia of casing pipe. 250 mm dia Nominal size (minimum bore size of 250 mm )
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Cement concerete (1:2:4) well mixed laid in posit- ion complete including all leads of all construc- tion materials including curing and finishing having well graded broken stone aggreate of maximum size upto 20 mm
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Supplying and laying aggregate in layers and profile as specified including all leads & lifts.
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River gravel 40 to 80 mm size
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River gravel 20 to 40 mm size
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River gravel upto 20 mm size
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Supplying and laying sand in required profile including all lead & lifts
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Supply & fixing Pre cast RCC ring at mouth of recharge shaft of M20 mix with 40 mm thickness 900mm dia
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Providing &Fixing rigid PVC pipe dia. 75 mm
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S/F of strainer pipes made of ERW MS black pipe ISI mark of 150 mm dia nominal bore size at the site of work including required size of slottings as per IS : 81110- 1985
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Bricks masonary in cement mortar 1:6 for Foundation and Superstructure.
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Cement plaster in cement sand mortar 1:4, 20mm thick.
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