This document provides a list of materials, labor costs, and schedule for a school improvement and expansion project. It includes line items for various construction materials, labor costs for officials, operators, laborers, and a foreman, as well as a schedule indicating which materials will be acquired in each of 4 months. The total cost for labor is $119,614.38 and the total cost for materials is $168,384.79. A Gantt chart at the bottom schedules material acquisition across the 4 month period.

1. ITEM DESCRIPCION UND PARCIAL SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM PARCIAL
(S/.) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
01.00 MANO DE OBRA 119,614.38
01.01 OFICIAL hh 7,209.79 360.49 360.49 360.49 360.49 360.49 360.49 360.49 360.49 360.49 360.49 360.49 360.49 720.98 720.98 720.98 720.98 7,209.79
01.02 OPERARIO hh 51,108.31 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 2,555.42 5,110.83 5,110.83 5,110.83 5,110.83 51,108.31
01.03 PEON hh 57,360.01 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 2,868.00 5,736.00 5,736.00 5,736.00 5,736.00 57,360.01
01.04 CAPATAZ hh 336.27 16.81 16.81 16.81 16.81 16.81 16.81 16.81 16.81 16.81 16.81 16.81 16.81 33.63 33.63 33.63 33.63 336.27
01.05 FLETE Glb 3,600.00 450.00 450.00 450.00 450.00 450.00 450.00 450.00 450.00 3,600.00
02.00 MATERIALES 168,384.79
02.01 PLANCHA DE FIERRO 3/16" m2 2,994.95 2,994.95 2,994.95
02.02 PERNO 1/2" X 5" u 282.55 282.55 282.55
02.03 ARANDELA u 20.16 20.16 20.16
02.04 FIERRO CORRUGADO DE 1/4" kg 793.76 396.88 396.88 793.76
02.05 ALAMBRE NEGRO RECOCIDO # 8 kg 2.45 2.45 2.45
02.06 ALAMBRE NEGRO # 16 kg 1,291.00 1,291.00 1,291.00
02.07 ALAMBRE NEGRO # 8 kg 483.43 120.86 120.86 120.86 120.86 483.43
02.08 CLAVOS PARA MADERA CON CABEZA DE 1 1/2 " kg 10.09 10.09 10.09
02.09 CLAVOS PARA MADERA CON CABEZA DE 1" kg 40.02 40.02 40.02
02.10 CLAVOS PARA MADERA CON CABEZA DE 2 1/2" kg 82.54 41.27 41.27 82.54
02.11 CLAVOS PARA MADERA CON CABEZA DE 3" kg 640.84 640.84 640.84
02.12 ACERO LISO kg 2.28 2.28 2.28
02.13 TOPE METALICO u 310.80 155.40 155.40 310.80
02.14 CANALETA CIRCULAR DE FºGº 1/27" m 1,751.60 1,751.60 1,751.60
02.15 PLACA RECORDATORIA u 450.00 150.00 150.00 150.00 450.00
02.16 GANCHO DE FIERRO 1" pza 100.04 100.04 100.04
02.17 TUBO DE ACERO 2"X4"X2mm. pza 516.07 516.07 516.07
02.18 PUERTA METALICA m2 2,584.00 2,584.00 2,584.00
02.19 ACERO CORRUGADO fy=4200 kg/cm2 GRADO 60 kg 23,030.47 23,030.47 23,030.47
02.20 TUERCA 1/2" u 200.99 100.50 100.50 200.99
02.21 ARENA FINA m3 760.72 760.72 760.72
02.22 TIERRA DE CHACRA O VEGETAL m3 25.21 15.13 10.08 25.21
02.23 THOR GEL kg 226.89 113.45 113.45 226.89
02.24 PIEDRA CHANCADA DE 1/2" m3 3,226.39 806.60 806.60 806.60 806.60 3,226.39
02.25 PIEDRA GRANDE DE 8" m3 881.93 293.98 293.98 293.98 881.93
02.26 PIEDRA MEDIANA DE 4" m3 42.02 42.02 42.02
02.27 GRAVA CANTO RODADO m3 225.28 112.64 112.64 225.28
02.28 ARENA GRUESA m3 4,033.29 4,033.29 4,033.29
02.29 MATERIAL AFIRMADO m3 1,835.84 917.92 917.92 1,835.84
02.30 HORMIGON m3 1,209.21 604.61 604.61 1,209.21
02.31 CAJA DE REGISTRO C.S. P/DESAGUE u 75.63 25.21 25.21 25.21 75.63
02.32 CONECTOR TIPO AB COPPERWELD pza 25.22 8.41 8.41 8.41 25.22
02.33 CONDUCTOR DE COBRE CABLEADO TW # 12 m 140.70 70.35 70.35 140.70
02.34 CONDUCTOR DE COBRE CABLEADO TW # 14 m 287.78 287.78 287.78
02.35 CONDUCTOR DE COBRE DESNUDO 16 MM2 m 189.15 189.15 189.15
02.36 INODORO TANQUE BAJO NORMAL BLANCO INCLUYE ACCESORIOS u 1,050.40 525.20 525.20 1,050.40
02.37 LAVATORIO 16"X12" DE 1 LLAVE B INCLUYE ACCESORIOS u 58.82 19.61 19.61 19.61 58.82
02.38 LLAVE PARA LAVATORIO CROMADA 1/2" u 25.65 8.55 8.55 8.55 25.65
02.39 GRIFO DE LAVADERO PESADO CROMADO 1/2" u 64.05 64.05 64.05
02.40 TOMACORRIENTE DOBLE PLANO BAKELITA u 13.44 13.44 13.44
02.41 INTERRUPTOR SIMPLE BIPOLAR BAKELITA u 12.60 12.60 12.60
02.42 INTERRUPTOR TERMOMAGNETICO DE 2 X 15A X 240V u 105.87 105.87 105.87
02.43 INTERRUPTOR TERMOMAGNETICO DE 2 X 20A X 240V u 105.87 105.87 105.87
02.44 INTERRUPTOR TERMOMAGNETICO DE 2 X 30A X 240V u 35.29 35.29 35.29
02.45 INTERRUPTOR DOBLE pza 6.72 6.72 6.72
02.46 CAJA DE PASE GALVANIZADA DE 6" X 6" X 4" pza 8.40 4.20 4.20 8.40
02.47 FLUORESCENTE DE 18 W u 32.00 32.00 32.00
02.48 TABLERO DE DISTRIBUCION 6 CIRCUITOS pza 23.53 23.53 23.53
02.49 ASFALTO RC-250 gal 311.84 311.84 311.84
02.50 LADRILLO CORRIENTE TIPO K K DE ARCILLA 9x13x24 cm. u 6,387.22 6,387.22 6,387.22
02.51 CEMENTO PORTLAND TIPO I (42.5 kg) bls 20,772.62 20,772.62 20,772.62
02.52 TAPA CONCRETO ARMADO DESAGUE 0.3 X 0.6 m INCLUYE FLETE u 25.20 25.20 25.20
02.53 MANIJA DE BRONCE PARA VENTANA pza 248.64 124.32 124.32 248.64
02.54 MANIJA DE 4" u 8.40 8.40 8.40
02.55 CERRADURA EXTERIOR DE DOS GOLPES u 282.38 282.38 282.38
CRONOGRAMA DE ADQUISICION DE MATERIALES
MEJORAMIENTO Y AMPLIACION DE UNA I.E.
oct-12
MES 1 MES 2 MES 4
MES 3

2. ITEM DESCRIPCION UND PARCIAL SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM PARCIAL
(S/.) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CRONOGRAMA DE ADQUISICION DE MATERIALES
MEJORAMIENTO Y AMPLIACION DE UNA I.E.
oct-12
MES 1 MES 2 MES 4
MES 3
02.56 TIRAFON DE 1/4" X 3" u 1,622.79 1,622.79 1,622.79
02.57 TIRAFON DE 1/4" X 5" u 68.60 68.60 68.60
02.58 CERROJO DE 2" u 248.64 248.64 248.64
02.59 CERROJO ALUMINIO 3" u 18.90 18.90 18.90
02.60 BISAGRA ALUMINIZADA CAPUCHINA 4" X 4" par 285.60 285.60 285.60
02.61 BISAGRA ALUMINIZADA 2 1/2" X 2 1/2" par 745.92 745.92 745.92
02.62 CINTA AISLANTE u 25.83 25.83 25.83
02.63 MASILLA kg 2.10 2.10 2.10
02.64 YESO kg 5.55 5.55 5.55
02.65 CERA PARA PISO gal 32.58 32.58 32.58
02.66 TECKNOPORT E= 1" m2 114.38 0.00
02.67 SOLDADURA kg 37.26 114.38 114.38
02.68 PORCELANA kg 55.60 18.53 37.26 18.53 74.33
02.69 ADITIVO IMPERMEABILIZANTE gal 27.84 9.28 18.53 9.28 37.09
02.70 PEGAMENTO PARA PVC AGUA FORDUIT gal 1.07 0.36 9.28 0.36 9.99
02.71 PEGAMENTO PLASTICO PARA PVC CCP gal 87.64 29.21 0.36 29.21 58.78
02.72 SILICONA u 24.49 8.16 29.21 8.16 45.54
02.73 TEROKAL 1/8 gl u 5.67 1.89 8.16 1.89 11.94
02.74 SOLDADURA CELLOCORD P 3/16" kg 4.14 1.38 1.89 1.38 4.65
02.75 CINTA TEFLON u 20.90 6.97 1.38 6.97 15.31
02.76 DISEÑO DE MEZCLAS F'C=175 KG/CM2 u 294.12 98.04 6.97 98.04 203.05
02.77 DISEÑO DE MEZCLAS F'C=210 KG/CM2 u 294.12 98.04 98.04 98.04 294.12
02.78 LIJA PARA CONCRETO hja 245.15 81.72 98.04 81.72 261.47
02.79 LIJA PARA MADERA u 128.14 42.71 81.72 42.71 167.14
02.80 AGUA m3 51.38 17.13 42.71 17.13 76.97
02.81 PASAMANOS METALICO SEGUN DISEÑO u 1,080.00 360.00 17.13 360.00 737.13
02.82 BALANCEADORES SEGUN DISEÑO u 1,570.00 523.33 360.00 523.33 1,406.67
02.83 COLUMBIO SEGUN DISEÑO u 1,260.00 420.00 523.33 420.00 1,363.33
02.84 TOBOGAN SEGUN DISEÑO u 1,380.00 460.00 420.00 460.00 1,340.00
02.85 CERAMICO ANTIDESLIZANTE m2 317.80 105.93 460.00 105.93 671.87
02.86 CERAMICO DE PARED DE 0.20 X 0.30 m2 967.38 322.46 105.93 322.46 750.85
02.87 MADERA MACHIHEMBRADA TORNILLO p2 7,764.90 2,588.30 322.46 2,588.30 5,499.06
02.88 RODON DE MADERA AGUANO 3/4" X 3/4" m 54.69 18.23 2,588.30 18.23 2,624.76
02.89 CONTRAZOCALO DE CEDRO BOLEADO 3/4"X2" m 109.39 36.46 18.23 36.46 91.16
02.90 PLANCHA DE FIBROCEMENTO DE 1.22X2.44X4MM pl 971.04 323.68 36.46 323.68 683.82
02.91 TAPAJUNTA DE MADERA m 1,165.87 388.62 323.68 388.62 1,100.93
02.92 CARTEL DE OBRA u 630.25 210.08 388.62 210.08 808.79
02.93 MADERA TORNILLO p2 82.06 27.35 210.08 27.35 264.79
02.94 MADERA TORNILLO O SIMILAR (GRUPO C) p2 14,096.73 4,698.91 27.35 4,698.91 9,425.17
02.95 MODULO ESCOLAR u 10,000.00 3,333.33 4,698.91 3,333.33 11,365.58
02.96 MADERA PINO PARA ANDAMIOS p2 28.11 9.37 3,333.33 9.37 3,352.07
02.97 MADERA PINO (REGLAS) p2 2.71 0.90 9.37 0.90 11.18
02.98 MADERA EUCALIPTO (p2) p2 22.21 7.40 0.90 7.40 15.71
02.99 MADERA PARA DURMIENTES p2 890.52 296.84 7.40 296.84 601.08
02.100 PLANCHA DE FIBROCEMENTO DE 2.44X1.22X6MM pl 1,029.82 343.27 296.84 343.27 983.39
02.101 REGLA DE MADERA p2 196.31 65.44 343.27 65.44 474.15
02.102 PUERTA DE MADERA APANELADA m2 3,090.00 1,030.00 65.44 1,030.00 2,125.44
02.103 VENTANA DE MADERA m2 7,632.50 2,544.17 1,030.00 2,544.17 6,118.33
02.104 TICERO DE CEDRO L=3 M u 500.00 166.67 2,544.17 166.67 2,877.50
02.105 MADERA TORNILLO INCLUYE CORTE PARA ENCOFRADO p2 619.82 206.61 166.67 206.61 579.88
02.106 MADERA PARA ENCOFRADO p2 5,527.95 1,842.65 206.61 1,842.65 3,891.91
02.107 MADERA CORRIENTE p2 1,240.35 413.45 1,842.65 413.45 2,669.55
02.108 MALLA CUADRADA CRIPADA GALVANIZADA # 12 m2 99.49 33.16 413.45 33.16 479.78
02.109 SELLADOR gal 412.51 137.50 33.16 137.50 308.17
02.110 PINTURA ESMALTE SINTETICO gal 122.92 40.97 137.50 40.97 219.45
02.111 PINTURA PARA PIZARRA gal 15.97 5.32 40.97 5.32 51.62
02.112 PINTURA LATEX gal 891.21 297.07 5.32 297.07 599.46
02.113 PINTURA BARNIZ gal 1,044.85 348.28 297.07 348.28 993.64
02.114 PINTURA ANTICORROSIVA gal 50.18 16.73 348.28 16.73 381.74
02.115 LACA A LA PIROXILINA gal 417.91 139.30 16.73 139.30 295.33
02.116 SIKAFLEX kg 397.09 132.36 139.30 132.36 404.03
02.117 AGUARAZ gal 54.01 18.00 132.36 18.00 168.37
02.118 PRESERVANTE DE MADERA gal 114.78 38.26 18.00 38.26 94.52
02.119 IMPRIMANTE LATEX gal 682.02 227.34 38.26 227.34 492.94
02.120 IMPRIMANTE TEMPLE kg 173.65 57.88 227.34 57.88 343.11

3. ITEM DESCRIPCION UND PARCIAL SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM SEM PARCIAL
(S/.) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
CRONOGRAMA DE ADQUISICION DE MATERIALES
MEJORAMIENTO Y AMPLIACION DE UNA I.E.
oct-12
MES 1 MES 2 MES 4
MES 3
02.121 PLANCHA DE FLEXIFORTE E=2.7 MM (1.83X1.10) pl 7,057.30 2,352.43 57.88 2,352.43 4,762.75
02.122 CUMBRERA DE FLEXIFORTE E=2.7 MM m 956.84 318.95 2,352.43 318.95 2,990.33
02.123 CODO DE FIERRO GALVANIZADO DE 1/2" X 90° u 21.00 7.00 318.95 7.00 332.95
02.124 UNION UNIVERSAL DE FIERRO GALVANIZADO DE 1/2" u 13.44 4.48 7.00 4.48 15.96
02.125 ABRAZADERA DE FIERRO GALVANIZADO CON DOS OREJAS 1" u 10.08 3.36 4.48 3.36 11.20
02.126 VARILLA DE COBRE d=5/8" DE 2.5m u 151.26 50.42 3.36 50.42 104.20
02.127 SUMIDERO DE BRONCE DE 2" u 10.50 3.50 50.42 3.50 57.42
02.128 TUBERIA PVC SAP PRESION C-10 C/R. 1/2" X 5m u 337.42 112.47 3.50 112.47 228.45
02.129 REDUCCION PVC SAP PARA AGUA SIMPLE PRESION 3/4" A 1/2" u 5.54 1.85 112.47 1.85 116.17
02.130 UNION PVC SAP PARA AGUA PRESION DE 1/2" u 3.78 1.26 1.85 1.26 4.37
02.131 CODO PVC SAL DE 4" X 90° u 3.36 1.12 1.26 1.12 3.50
02.132 CODO PVC SAL DE 2" X 45° u 1.95 0.65 1.12 0.65 2.42
02.133 CODO PVC SAP 1/2" u 28.05 9.35 0.65 9.35 19.35
02.134 CODO PVC SAP 3/4" u 12.90 4.30 9.35 4.30 17.95
02.135 ADAPTADOR PVC SAP 1/2" u 1.72 0.57 4.30 0.57 5.45
02.136 YEE PVC SAL 4" u 35.28 11.76 0.57 11.76 24.09
02.137 YEE PVC SAL 2" u 12.60 4.20 11.76 4.20 20.16
02.138 TEE PVC SAP 1/2" u 17.99 6.00 4.20 6.00 16.19
02.139 TEE PVC SAP 3/4" u 21.00 7.00 6.00 7.00 20.00
02.140 HIPOCLORITO kg 1.26 0.42 7.00 0.42 7.84
02.141 TUBERIA PVC SAL 2" m 227.89 75.96 0.42 75.96 152.35
02.142 TUBERIA PVC SAL 3" m 207.81 69.27 75.96 69.27 214.50
02.143 TUBERIA PVC SAL 4" m 1,628.87 542.96 69.27 542.96 1,155.18
02.144 CODO PVC SAL 2" X 90° pza 12.04 4.01 542.96 4.01 550.98
02.145 CODO PVC SAL 3" X 90° pza 18.96 6.32 4.01 6.32 16.65
02.146 CODO PVC SAL 4" X 90° pza 37.80 12.60 6.32 12.60 31.52
02.147 TEE PVC SAL 2" X 2" pza 5.36 1.79 12.60 1.79 16.17
02.148 TEE PVC SAL 4" X 4" pza 20.16 6.72 1.79 6.72 15.23
02.149 TEE PVC SAL 4" X 2" pza 25.20 8.40 6.72 8.40 23.52
02.150 YEE PVC SAL DE 4" X 2" pza 5.45 1.82 8.40 1.82 12.03
02.151 REDUCCION PVC SAL 4" X 2" pza 15.78 5.26 1.82 5.26 12.34
02.152 SOMBRERO DE VENTILACION PVC SAL 2" pza 4.20 1.40 5.26 1.40 8.06
02.153 TRAMPA P PVC SAL 2" pza 43.60 14.53 1.40 14.53 30.47
02.154 TUBERIA PVC SAP PARA INSTALACIONES ELECTRICAS DE 3/4" pza 833.11 277.70 14.53 277.70 569.94
02.155 TUBERIA PVC SAP PARA INSTALACIONES ELECTRICAS DE 1" m 47.04 15.68 277.70 15.68 309.06
02.156 CAJA DE PASE OCTOGONAL GALVANIZADA LIVIANA u 25.83 8.61 15.68 8.61 32.90
02.157 ARTEFACTO PARA 2 FLUORESCENTES u 420.40 140.13 8.61 140.13 288.88
02.158 FLUORESCENTE DE 36 W u 160.00 53.33 140.13 53.33 246.80
02.159 CURVA PVC SAP PARA INSTALACIONES ELECTRICAS 3/4" pza 79.59 26.53 53.33 26.53 106.39
02.160 CURVA PVC SEL PARA INSTALACIONES ELECTRICAS 1" u 1.68 0.56 26.53 0.56 27.65
02.161 REGISTRO ROSCADO DE BRONCE DE 4" pza 4.20 1.40 0.56 1.40 3.36
02.162 VALVULA DE GLOBO DE BRONCE DE 1/2" pza 60.50 20.17 1.40 20.17 41.73
02.163 NIPLE DE FIERRO GALVANIZADO 1/2" X 1" u 3.36 1.12 20.17 1.12 22.41
02.164 VIDRIO SEMIDOBLE p2 857.04 285.68 1.12 285.68 572.48
02.165 LIMPIEZA DURANTE LA EJECUCION DE LA OBRA glb 500.00 166.67 285.68 166.67 619.01
02.166 MODULO DE CAPACITACION glb 300.00 100.00 166.67 100.00 366.67
02.167 CONTROL DE CALIDAD glb 3,200.00 1,066.67 100.00 1,066.67 2,233.33
02.168 SC PUERTA CONTRAPLACADA 35 mm CON TRIPLAY 4 mm INCLUYE MARCO u 1,428.00 476.00 1,066.67 476.00 2,018.67
476.00
03.00 HERRAMIENTAS Y EQUIPOS 13,516.07
03.01 CAMION VOLQUETE 4 X 2 140-210 HP 6 m3 hm 4,346.38 1,086.60 1,086.60 1,086.60 1,086.60 4,346.38
03.02 CEPILLADORA PISOS DE PARQUET hm 88.01 88.01 88.01
03.03 CIZALLA PARA ACERO CONSTRUCCION HASTA 1" u 187.60 187.60 187.60
03.04 HERRAMIENTAS MANUALES %MO 3,570.94 892.74 892.74 892.74 892.74 3,570.94
03.05 MEZCLADORA DE CONCRETO DE 9 -11p3 hm 2,946.20 2,946.20 2,946.20
03.06 MEZCLADORA DE CONCRETO TAMBOR 18 HP 11 p3 hm 23.22 5.81 5.81 5.81 5.81 23.22
03.08 MOTOSOLDADORA DE 250 A hm 126.04 126.04 126.04
03.09 PLANCHA COMPACTADORA hm 2,085.50 2,085.50 2,085.50
03.11 VIBRADOR DE CONCRETO 4 HP 1.50" hm 131.78 131.78 131.78
03.12 VIBRADOR DE CONCRETO 4 HP 2.40" hm 10.40 10.40 10.40
COSTO DIRECTO S/. 301,515.51 102,483.75 62,033.00 81,757.61 301,515.51
55,241.15
PORCENTAJE (%) 100.00 33.99 20.57 27.12 100.00
18.32