TABEL 6 – SUNKEN PIT IN GULLYS (WITHOUT SILT TRAP) MODEL CALCULATION : Quantities and cost calculation made for 0.90 m depth of sunken pit in Nalas (Gullys). Sl Description of No.s Length(L) Breadth(B) Quantities Rate Amount No. mts. mts. mts. cum. per Rs. cum Rs. 1 2 3 4 5 6 7 8 9 1 Earth work excavation in sand or loose soils, wet sand not under water and loamy clayey soils like black cotton soils, red earth, ordinary gravelly soils (SS20B) For sunken pit 1 2.40+0.60 4.00+5.80 0.9 6.62 2 2 1 0.60 0.60 0.225 0.08 Revetment slope 1 1.45 2.40+0.60 0.225 0.49 2 Triangular portion 2 1/2x1.45x0.90 0.225 0.29 8.82 Cum 26.60 199.00 2 225mm thick rough dry packing For sunken trap 1 2.40+0.60 1.45 0.225 0.49 2 For apron at bottom 1 0.60 0.60 0.225 0.08 Triangular portion 2 1/2x1.45x0.90x0.225 0.29 0.859 286.30 246.00 Cum Total Rs. 445.00
TABEL – 6 SUNKEN PIT IN GULLYS (WITHOUT SILT TRAP) MODEL CALCULATION : Quantities and cost calculation made for 0.90 m depth of sunken pit in Nalas (Gullys). Sl No. Description of No.s Length(L) mts. Breadth(B) mts. mts. Quantities cum. Rate per cum Rs. Amount Rs. 1 2 3 4 5 6 7 8 9 1 Earth work excavation in sand or loose soils, wet sand not under water and loamy clayey soils like black cotton soils, red earth, ordinary gravelly soils (SS20B) For sunken pit 1 2.40+0.60 2 4.00+5.80 2 0.9 6.62 1 0.60 0.60 0.225 0.08 Revetment slope 1 1.45 2.40+0.60 2 0.225 0.49 Triangular portion 2 1/2x1.45x0.90 0.225 0.29 8.82 Cum 26.60 199.00 2 225mm thick rough dry packing For sunken trap 1 2.40+0.60 2 1.45 0.225 0.49 For apron at bottom 1 0.60 0.60 0.225 0.08 Triangular portion 2 1/2x1.45x0.90x0.225 0.29 0.859 Cum 286.30 246.00 Total Rs. 445.00
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