Penghitungan Volume Pekerjaan Tanah

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BAB V RENCANA ANGGARAN BIAYA DAN

TIME SCHEDULE

5.1 Typical Potongan Melintang

Gambar 5.1 Potongan Melintang Jalan

5.2 Analisa Perhitungan Volume Pekerjaan

5.2.1. Penghitungan Volume Pekerjaan Tanah

1. Pembersihan Semak dan Pengupasan Tanah. Luas = p. Damija x p. Jalan – p. Jembatan Total = 20 m x 3132,58 m – 200 m = 58651,6 m² 2. Persiapan Badan Jalan m² . Luas = Lbr. lapis pondasi bawah x P. jalan – p. Jembatan total = 16,24 m x 3132,58 m – 200 m = 50673,099 m² commit to user 160 3. Galian Tanah Biasa m³ Contoh penghitungan : STA 0+900 Gambar 5.2 Tipical Cross Section STA 0+900 H1 = 668,0693 – 665,4025 = 2,6668 H2 = 668,2033 – 665,4025 = 2,8008 H3 = 668,3105 – 665,4825 = 2,8190 H4 = 668,7130 – 665,6225 = 3,0905 H5 = 669,1145 – 665,4825 = 3,6320 H6 = 669,2217 – 665,4025 = 3,8192 H7 = 669,3557 – 665,4025 = 3,9532 ¤ Perhitungan Luas 2 334 , 5 1 2 1 2 1 1 m H H Luas           + 4 x 1 2 2094 , 25 5 , 7 2 5 4 5 m H H Luas           2 8345 , 6 5 , 2 2 2 1 2 m H H Luas           2 4512 , 7 2 2 6 5 6 m H H Luas           2 6198 , 5 2 2 3 2 3 m H H Luas           2 7155 , 9 5 , 2 2 7 6 7 m H H Luas           2 1606 , 22 5 , 7 2 4 3 4 m H H Luas           2 9069 , 7 7 2 7 2 1 8 m H H Luas           + 4 x 1   2 m 90,2319 Galian Total L sta 0+900 0.5m 1.5 m 2 m 7 m 1 m 7 m 0.5m 0.5m 1.5 m 0.5m Median 2 m Bahu jalan Drainase Bahu jalan Drainase Lebar perkerasan jalan kanan Lebar perkerasan jalan kiri +665,6225 +665,4825 +665,4025 -2 -4 +665,4825 +665,4025 -2 -4 +668,7130 +668,3105 +668,2033 +668,0693 +669,1145 +669,2217 +669,3557 1 2 3 4 5 6 7 8 commit to user 161 4. Timbunan Tanah Biasa m³ Contoh penghitungan : STA 2+900 Gambar 5.3 Tipical Cross Section STA 2 + 900 H1 = 680,2153 – 678,0069 = 2,2084 H2 = 680,2953 – 678,0571 = 2,2382 H3 = 680,4353 − 678,2458 = 2,1895 H4 = 680,2953 – 678,4755 = 1,8198 H5 = 680,2153 – 678,5369 = 1,6784 ¤ Perhitungan Luas 2 2193 , 1 1 2 1 2 1 1 m H H Luas           2 0349 , 15 5 , 7 2 4 3 4 m H H Luas           2 4466 , 4 2 2 2 1 2 m H H Luas           2 4982 , 3 2 2 5 4 5 m H H Luas           2 6039 , 16 5 , 7 2 3 2 3 m H H Luas           2 7043 , 5 2 5 2 1 6 m H H Luas             2 41,5072m Timbunan Ltotal sta 2+900 0.5m 1.5 m 2 m 7 m 1 m 7 m 0.5m 0.5m 1.5 m 0.5m Median 2 m Bahu jalan Drainase Bahu jalan Drainase Dinding penahan Dinding penahan Lebar perkerasan jalan kanan Lebar perkerasan jalan kiri +680,4353 +680,2953 +680,2153 -2 -4 +680,2953 +680,2153 -2 -4 +678,2458 +678,0571 +678,0069 +677,9125 +678,4755 +678,5369 +678,6582 1 2 3 4 5 6 commit to user 162 Untuk hasil penghitungan selanjutnya disajikan dalam Tabel 5.1 Tabel. 5.1 Hasil perhitungan volume galian dan timbunan No STA JARAK M LUAS M 2 VOLUME M 3 GALIAN TIMBUNAN GALIAN TIMBUNAN 1 0+000 13.3183 3.1225 50 2170.7025 78.0625 2 0+050 73.5098 50 2702.0775 3 0+100 34.5733 50 2066.5300 4 0+150 48.0879 50 2162.3700 5 0+200 38.4069 50 1730.9975 6 0+250 30.8330 50 2081.6450 7 0+300 52.4328 50 2129.3300 8 0+350 32.7404 30.44 1034.9311 9 0+380.44 35.2577 14.29 504.8071 10 0+394.73 35.3941 5.27 184.0213 11 0+400 34.4432 8.87 286.2735 12 0+408.87 30.1055 41.13 619.1196 322.2988 13 0+450 15.6722 15.44 303.7249 14 0+465.44 23.6704 34.56 915.0849 15 0+500 29.2859 39.12 1280.3643 16 0+539.12 36.1724 10.88 417.9378 17 0+550 40.6544 45.69 1873.0958 18 0+595.69 41.3371 4.31 174.3371 19 0+600 39.5618 Bersambung ke halaman berikutnya commit to user 163 Sambungan tabel 5.1 No STA JARAK M LUAS M 2 VOLUME M 3 GALIAN TIMBUNAN GALIAN TIMBUNAN 19 0+600 39.5618 9.83 360.2199 20 0+609.83 33.7281 14.29 399.8849 21 0+624.12 22.2390 25.88 374.6777 22 0+650 6.7160 50 197.0025 23 0+700 1.1641 21.78 145.5187 24 0+721.78 12.1985 28.22 – – 25 0+750 – – 21.78 – – 26 0+771.78 115.4665 28.22 671.4822 1629.2323 27 0+800 47.5891 50 4235.4375 28 0+850 121.8284 50 5301.5075 29 0+900 90.2319 50 2792.7300 30 0+950 21.4773 21.21 345.9627 31 0+971.21 11.1453 16.39 165.6554 32 0+987.60 9.0689 12.4 100.8635 33 1+000 7.1994 3.99 26.7925 34 1+003.99 6.2304 42.22 220.6966 35 1+046.21 4.2242 3.79 8.0049 1.0419 36 1+050 0.5498 50 578.4050 13.7450 37 1+100 23.1362 Bersambung ke halaman berikutnya commit to user 164 Sambungan tabel 5.1 No STA JARAK M LUAS M 2 VOLUME M 3 GALIAN TIMBUNAN GALIAN TIMBUNAN 37 1+100 23.1362 1.29 30.8321 38 1+101.29 24.6655 42.21 1945.8050 39 1+143.50 67.5309 6.5 450.1777 40 1+150 70.9853 9.9 720.2285 41 1+159.90 74.5154 19.39 1438.7574 42 1+179.29 73.8866 20.71 1403.2309 43 1+200 61.6258 50 1688.4300 15.9850 44 1+250 5.9114 0.6394 50 147.7850 434.8225 45 1+300 16.7535 50 474.0725 46 1+350 2.2094 50 458.2075 47 1+400 16.1189 50 1150.2125 48 1+450 29.8896 50 1055.6675 49 1+500 12.3371 50 1031.6475 50 1+550 28.9288 17.45 1500.9888 51 1+567.45 143.1043 32.55 – – 52 1+600 – – 50 – – 53 1+650 – – 17.45 – – 54 1+667.45 239.9531 15.92 1962.2881 55 1+683.37 6.5655 Bersambung ke halaman berikutnya commit to user 165 Sambungan tabel 5.1 No STA JARAK M LUAS M 2 VOLUME M 3 GALIAN TIMBUNAN GALIAN TIMBUNAN 55 1+683.37 6.5655 16.63 279.2917 54.5921 56 1+700 33.5889 13.99 654.6026 57 1+713.99 59.9926 19.38 1369.6282 58 1+733.37 81.3519 16.63 1429.0275 59 1+750 90.5095 8.37 765.7244 60 1+758.37 92.4593 41.63 3688.9446 61 1+800 84.7660 50 3239.6900 62 1+850 44.8216 49.84 2146.1577 63 1+899.84 41.3003 0.16 6.6136 64 1+900 41.3695 24.84 907.1146 65 1+924.84 31.6671 19.39 524.6750 66 1+944.23 22.4510 5.77 123.1555 67 1+950 20.2372 24.84 419.5079 68 1+974.84 13.5396 25.16 239.6339 6.3680 69 2+000 5.5092 0.5062 50 137.7300 355.9300 70 2+050 13.7310 50 1225.7150 71 2+100 35.2976 50 1367.7200 72 2+150 19.4112 50 579.8175 73 2+200 3.7815 Bersambung ke halaman berikutnya commit to user 166 Sambungan tabel 5.1 No STA JARAK M LUAS M 2 VOLUME M 3 GALIAN TIMBUNAN GALIAN TIMBUNAN 73 2+200 3.7815 50 1664.7925 94.5375 74 2+250 66.5917 50 2778.8925 75 2+300 44.5640 32.52 724.6106 1328.4713 76 2+332.52 81.7018 17.48 – – 77 2+350 – – 32.52 – – 78 2+382.52 150.5057 17.48 1375.4575 79 2+400 6.8693 50 150.6650 171.7325 80 2+450 6.0266 48.14 206.0657 81 2+498.14 2.5345 1.86 4.5648 82 2+500 2.3739 14.53 29.4400 83 2+514.53 1.6784 16.39 13.7545 3.6033 84 2+530.92 0.4397 19.08 51.8518 4.1947 85 2+550 5.4352 23.14 334.3464 86 2+573.14 23.4625 26.86 881.5694 87 2+600 42.1793 31.79 1400.0427 88 2+631.79 45.9014 18.21 801.9247 89 2+650 42.1738 24 899.7612 90 2+674.00 32.8063 16.39 487.0223 91 2+690.39 26.6229 9.61 252.1116 92 2+700 25.8457 Bersambung ke halaman berikutnya commit to user 167 Sambungan tabel 5.1 No STA JARAK M LUAS M 2 VOLUME M 3 GALIAN TIMBUNAN GALIAN TIMBUNAN 92 2+700 25.8457 6.79 175.0506 93 2+706.79 25.7156 43.21 1058.9518 94 2+750 23.2986 50 854.6525 95 2+800 10.8875 50 272.1875 19.7175 96 2+850 0.7887 50 1057.3975 97 2+900 41.5072 50 181.8375 1037.6800 98 2+950 7.2735 50 836.0275 99 3+000 26.1676 50 1075.3575 100 3+050 16.8467 50 960.9950 101 3+100 21.5931 30 383.0580 102 3+135 3.9441 Total Volume Galian = 72.356,62 m 3 Total Volume Timbunan = 25.253,055 m 3 Contoh perhitungan Volume Galian STA 0+900 s.d 0+950 Jarak : 0+900 – 0+950 = 50 m Jarak LuasSTA LuasSTA V      2 950 .. 900 .. = 50 2 4773 , 21 2319 , 90   = 2792,73 m 3 Contoh perhitungan Volume Timbunan STA 2+850 s.d 2+900 Jarak : 2+850 – 2+900 = 50 m Jarak LuasSTA LuasSTA V      2 900 2 .. 850 2 .. = 50 2 5072 , 41 7887 ,   = 1057,3975 m 3 commit to user 168

5.2.2. Penghitungan Volume Pekerjaan Drainase