sample estimate
TRANSCRIPT
CHAPTER II
MATERIAL QUANTITY AND COSTCOMPUTATION
E. BEAMS
Forms
Lateral Perimeter = 2d + b + 0.10 = 2(0.30) + 0.20 + 0.10 = 0.90
For RB1: length = (4 18 beams) + (1.5 1 beam) + (3 1 beam) = 76.5
For RB2: length = (5 3 beams) + (4.5 1 beam) = 19.5 For CB: length = (1 2 beams) = 2.0
Total length: 76.5 + 19.5 + 2.0 = 98.0
Area = Perimeter Length = 0.90 98.0 = 88.20
# of Plywood:
Order: say 31 pcs. 1/4” 4’ 8’ plywood
Refer to Table 5-2 by FajardoWood frame using 2” 2” Lumber
Order: 31pcs. 25.06 = 767.46 bd.ft
Nails
For beam forms:Refer to Table 8-10 by Fajardo
Area = 88.20 Using 2d CWN Nails @ 30cm o.c.
Order: 88.20 0.033 = 2.91 , say 3 2d Nails
For wood frame (Velasco)
Order: say 10.5 8d Nails
For beam scaffolding:
Total length = 98.0Refer to Table 8-10 by Fajardo
Using 20d CWN Nails @ 30cm o.c.Order: 98.0 0.73 = 71.54 , say 72 20d Nails
ScaffoldingsTotal length = 98.0Refer to Table 5-3 by FajardoOrder: Vertical Support (2” 2” Lumber)= 98 4.0 = 392.0 bd.ft
Horizontal Support (2” 2” Lumber) = 98 4.7 = 460.60 bd.ft
Steel Requirements
Main Reinforcement
For RB1: L = 474.92For RB2: L = 140.4
For CB: L = 14
Total length: 474.92 + 140.4 + 14 = 629.32
Using 6m long steel bars
Order: say 105 pcs. 12mm F steel bars @ 6
long
Stirrups
Spacing: based from the specificationLength per stirrup: 0.85
For RB1:# of stirrups: for 4 length beam:32 per beam
for 3 length beam:26 per beamfor 1.5 length beam:14 per beam
Total # of stirrups: (18 x 33) + (1x 26) + (1x14) = 634 stirrups
For RB2:# of stirrups: for 5 length beam:42 per beam
for 4.5 length beam:22 per beam Total # of stirrups: (3 x 42) + (1x 22) = 148 stirrups
For CB:# of stirrups: for 1 length beam:11 per beamTotal # of stirrups: (2 x 11) = 22 stirrups
Total # of stirrups for all beams: 634 + 148 + 22 = 804 stirrups Using 6m long steel bars
Order: 804 stirrups x 0.85 = , say 114pcs. 10mm F
steel bars @ 6 long
Tie Wire
For RB1:# of intersection = 634 stirrups 6 bars = 3,804 ties
For RB2:# of intersection = 148 stirrups 7 bars = 1,036ties
For CB:# of intersection = 22 stirrups 8 = 176 ties
Total # of intersection: 3,804 + 1,036 + 176 = 5,016 ties
Using 30cm long ties5,016 ties 0.3 = 1,504.8
Converting to
Order: say 29 #16 G.I. tie wire
Concrete Mix
For RB1:Length = 76.5Volume = 76.5 0.30 0.20 = 4.59
For RB2:
Length = 19.5Volume = 19.5 0.30 0.20 = 1.17
For CB:
Length = 2.0Volume = 2.0 0.30 0.20 = 0.12
Total Volume = 4.59 1.17 0.12 = 5.91
Refer to Table 1-2 by FajardoUsing 40 cement Class A Mixture
Order: Cement: 5.88 9.0 = 52.92, say 53 bagsSand: 5.88 0.5 = 2.94, say 3Gravel: 5.88 1.0 = 5.88, say 6
Summary: Material Cost and Quantity
MATERIALS QUANTITYUNIT PRICE
(Php)COST(Php)
Premium Cement 53 bags 225/bags 11,925.00 Washed Sand 3m3 800/ m3 2,400.00Washed Gravel, ¾’’ 6 m3 1,200/m3 7,200.0012mm x 6.00m DRB 105 pcs 185/pc 19,425.0010mm x 6.00m DRB 114 pcs 125/pc 14,250.00# 16 G.I. tie wire 29 kg 80/kg 2,320.00CWN # 1’’ 3 kg 80/kg 240.00CWN # 2½’’ 10.5 kg 60/kg 630.00CWN # 4’’ 72 kg 55/kg 3,960.00¼’’ x 4’ x 8’ ordinary plywood 31 pcs 260/pc 8,060.002’’x 2’’x10’ red lauan 852.60 bd.ft. 12/bd.ft. 10,231.20
TOTAL MATERIAL COST FOR BEAM = 80,641.20
CHAPTER III
MAN POWER, DURATION AND LABOR COSTCOMPUTATION
E. Beam Works
Reinforcements
rate = 0.09 MH/kgs
reinforcements: 105 pcs 12 mm Ø bars ,factor 5.33114 pcs 10 mm Ø bars ,factor 3.7
weight of reinforcements = factor x number of reinforcementsweight of reinforcements = (105pcs x 5.33) +(114pcs x 3.70) =
981.45 MH = 981.45 x 0.09 MH/kgs = 88.3305MH
MD = 11.04 MD
ConcretingTotal Volume = 5.91rate = 0.25 m³/MD
MD = 23.64 MD
Forms and Scaffoldings
Formsarea = 88.20 m²rate = 3.12 MH/m²
carpenter: 1.90 MH/m²laborer: 1.22 MH/m²
MH = 88.20 m² x 3.12 MH/kgs = 275.184MH
MD = 34.4 MD
Scaffoldingsections: say 37 sectionsrate = 0.7MH/section
MH = 37 sections x 0.7 MH/section = 25.90 MH
MD = 3.49 MD
Erecting forms and scaffoldings
rate = 1.86m2/MH
MH = MH
MD = 5.92 MD
Total M-D for forms and scaffolding: 34.4 + 3.49 + 5.92 = 43.81 MD
Total MD for beam works: 11.04 + 23.64 + 43.81 = 78.49, say 79 MD
Manpower : 8 men(2 steel fixers, 2 masons,2 carpenters, 2 laborers)
Duration = 9.81, say 10 days
Labor costSteel fixers: 2 x 10 days x 256/day = 5,120.00 masons: 2 x 10 days x 300/day = 6,000.00 carpenters: 2 x 10 days x 300/day = 6,000.00 laborers: 2 x 10 days x 200/day = 4,000.00
Total labor cost = 21,120.00 Php
DIRECT COST FOR BEAM:
MATERIAL COST = 80,641.20 PhpLABOR COST = 21,120.00 PhpTotal direct cost = 101,761.20 Ph
J. REMOVAL OF BEAM FORMS AND SCAFFOLDING
rate = 1.86m2/MH
MH = MH
MD = 5.92, say 6 MD
Manpower : 2 men(1 carpenters, 1 laborer)
Duration = 3 days
Labor cost
carpenters: 1 x 3 days x 300/day = 900.00 laborers: 1 x 3 days x 200/day = 600.00
Total labor cost = 1,500.00 Php
MATERIAL QUANTITY AND COSTCOMPUTATION
V. FLOORING
Reinforcement BarRefer to FajardoSpacing .60m O.C.
1. Bed Room14m + 1 = 7.67 pcs x 2 = 15.34 pcs0.6
say 16 pcs 10mm F steel bar, 4 long cut bars.
2. Bed Room2 4m + 1 = 7.67 pcs x 2 = 15.34 pcs0.6
say 16 pcs 10mm F steel bar, 4 long cut bars.
3. Mr. Bed Room4m + 1 = 7.67 pcs x 2 = 15.34 pcs0.6
say 16 pcs 10mm F steel bar, 4 long cut bars.
4. Living AreaShort direction:
4m + 1 = 7.67 pcs 0.6
say 8 pcs 10mm F steel bar, 5 long cut bars. Long direction:
5m + 1 = 7.67 pcs 0.6
say 10 pcs 10mm F steel bar, 4 long cut bars.
5. Dining AreaShort direction:
4m + 1 = 7.67 pcs 0.6
say 8 pcs 10mm F steel bar, 5 long cut bars. Long direction:
5m + 1 = 7.67 pcs 0.6
say 10 pcs 10mm F steel bar, 4 long cut bars.
6. Kitchen Short direction:
4m + 1 = 7.67 pcs 0.6
say 8 pcs 10mm F steel bar, 5 long cut bars.
Long direction:5m + 1 = 7.67 pcs 0.6
say 10 pcs 10mm F steel bar, 4 long cut bars.
7. Laundry AreaShort direction:
4m + 1 = 7.67 pcs 0.6
say 8 pcs 10mm F steel bar, 5 long cut bars. Long direction:
5m + 1 = 7.67 pcs 0.6
say 10 pcs 10mm F steel bar, 4 long cut bars.
8. Living Area Short direction:
4m + 1 = 7.67 pcs 0.6
say 8 pcs 10mm F steel bar, 6 long cut bars. Long direction:
6m + 1 = 11 pcs 0.6
say 11 pcs 10mm F steel bar, 4 long cut bars.
9. GarageShort direction:
3m + 1 = 6 pcs 0.6
say 6 pcs 10mm F steel bar, 5 long cut bars. Long direction:
5m + 1 = 9.33 pcs 0.6
say 10 pcs 10mm F steel bar, 4 long cut bars.
10. 2-C.R.Short direction:
2m + 1 = 4.30 pcs 0.6
say 10 pcs 10mm F steel bar, 3 long cut bars. Long direction:
3m + 1 = 6 pcs 0.6
say 12 pcs 10mm F steel bar, 4 long cut bars.
ORDER:
Total length = 638m, 10mm F steel bar
638m = 106.33 pcs 6m
say 107 pcs, 10mm F steel bar, 6m long
Tie WireRefer to FajardoSpacing = 60cm O.CUsing 30cm tie wireTotal number of junction = 710
710x0.30m = 210m x 1kg = 3.96kg, say 4kg 53m
FLOOR SLABThickness of slab = 0.10
Area ( ) VolumeBed Room1 16.60 1.66Bed Room2 16.00 1.6Mr. Bed Room 16.60 1.66Living Area 23.20 2.32Dining Area 19.30 1.93CR1 5.75 0.575CR2 5.75 0.575Kitchen 20.00 2.00Garage 15.00 1.5Laundry Area 20.00 2.00Porch 3.24 0.324
= 161.44 = 16.144
Concrete MixtureRefer to Table 1-3 by FajardoUsing 40 cement Class A Mixture
Cement: 16.144 9 = 145.296, say 146bagsSand: 16.144 0.5 = 8.072, say 8.5Gravel: 16.144 1 = 16.144, say 16.5
Summary: Material Cost and Quantity
MATERIALS QUANTITYUNIT PRICE
(Php)COST(Php)
Premium Cement 146 bags 225/bags 32,850.00 Washed Sand 8.5m3 800/ m3 6,800.00Washed Gravel, ¾’’ 6 m3 1,200/m3 19,800.006m-10mm F steel bar 107 pcs 125/pcs 13,375.00#16 GI Wire 4kg 80/kg 320.00
TOTAL MATERIAL COST FOR FLOORING = 73,145.00
MAN POWER, DURATION AND LABOR COSTCOMPUTATION
V. FLOORING
STEEL WORKS107pcs, 6m- 10mm F temp. Bar
107pcs = 395.9KgsRate: 9man Hour/100Kgs
MD = 395.9 Kgs x (9mHour/100Kgs) = 4.454 MDays
Duration: 2 men (1 mason, 1labor) 3 Days
CONCRETINGTotal Volume = 16.144rate = 2 men pour 0.84m³/Day
MD = 16.144 = 38.44 MDays (0.84 m³/2mD)
Duration: 6 men (2 mason, 3labor) 7Days
Labor costSteel fixers: 2 x 9 days x 256/day = 5,400.00 masons: 2 x 9 days x 300/day = 4,608.00 Laborers: 1 x 9 days x 256/day = 1,800.00
______________ TOTAL LABOR COST = 11,808.00 Php.
DIRECT COST FOR SLAB:
MATERIAL COST = 73,145.00 PhpLABOR COST = 11,808.00 Php
Total direct cost = 84,953.00 Php
X. Tile Works
Refer to table 7-1 (ESTEMATE BY FAJARDO)
Using 25cmx25cm ceramic floor tiles
( Area m2 )Bed Room1 16.6 Bed Room2 16 Mr. Bed Room 16.6 Living Area 22.50 Dining Area 19.30 Kitchen 20 Porch 3
= 114
ORDER :
NO. OF PCS = x 16 pcs/ m2 = 114 m2 x 16 pcs/ m2
= 1824 pcs
ADDING 5% DUE TO BREAKAGE
TOTAL NO. OF PCS. = 1824 + 5%( 1824 ) = 1915.2 PCS.Say 1916 pcs, 25cmx25cm ceramic floor tiles
QUANTITY OF CEMENT AND FILLER PASTE
CEMENT = 114 (0.086) = 9.084 BagsWHITE CEMENT = 114 (0.50) = 57KgsTILE ADHESIVE = 114 (0.11) = 12.54 Bags
FLOOR AREA OF 2 C.R
Using 20cmx20cm ceramic floor tiles
TOTAL AREA = 11.50 m2
NO. OF PCS = x 25pcs/m2
= 11.50 m2 x25pcs/m2
= 287.75 pcs
ADDING 5% DUE TO BREAKAGE
TOTAL NO. OF PCS. = 287.75 + 5%( 287.75 ) = 302. 14 pcs
Say 303 pcs, 20cmx20cm ceramic floor tiles
QUANTITY OF CEMENT AND FILLER PASTE
CEMENT = 11.50 (0.086) = 1 BagsWHITE CEMENT = 11.50 (0.50) = 5.76KgsTILE ADHESIVE = 11.50 (0.11) = 1.265 Bags
FLOOR AREA OF LAUNDRY
Using Crazy-cut stone TOTAL AREA = 20 m2 NO. OF PCS = x pcs/m2
= 20 m2 x1pcs/m2
= 20 pcs/m2
Summary: Material Cost and Quantity
MATERIALS QUANTITYUNIT
PRICE(Php)
COST(Php)
Premium Cement 17Bags 225/bags 3,825.00 Washed Sand 0.5m3 800/ m3 400.00White Cement 32 (2kg/bag) 90/Bag 2,880.00
Tile adhesive17
(25Kg/Bag)245/Bag 3,430.00
25cmx25cm ceramic floor tiles
1916 pcs 16/pcs 30,656.00
20cmx20cm ceramic floor tiles
303 pcs 12/pcs 3,636.00
2.4 Tile trim 2 80/pcs 160.00Cut stone 20 145/ m2 2,900.00
TOTAL MATERIAL COST FOR TILE WORKS = 47,887.00
X. TILE WORKS
Total NO. of tiles = 2219 pcsRate: 2 men lay 72 pcs/Day
MD= 2219 pcs = 61.64 MDays (72pcs/2men)
Crazy-cut stone= 20m2
Rate: o.1905 mDay/ m2
20 m2 x 0.1905 mDay/m2 = 3.81 MDays
Duration: 6 men (4 Mason, 2 Labor) 11 Days
Labor costMasons: 4 x 11days x 300/day = 13,200.00 Laborers: 2 x 10 days x 256/ = 4,400.00 ___________________
TOTAL LABOR COST = 17,600.00 Php.
DIRECT COST FOR TILES:
MATERIAL COST = 47,887.00 Php.LABOR COST = 17,600.00 Php.Total direct cost = 65,487.00 Php.
L. WALLINGThickness = 0.10m
Total length =80.50m Interior wall: 28.50m Exterior wall: 52.0m
Total height of wall = 4.0m3.5m + 0.40m + 0.10m
Total wall area = 332 m2
4.0 x 80.50m
Total window area = 26.52m2
O6- T&B = (0.60x0.50)2 = 0.60m2
O3- kitchen = (1.6x0.90) =1.44m2
04- kitchen = (2.40 x0.90) = 2.16 m2
O5- kitchen = (0.80x0.90) = 0.72 m2 01- Living = (2.0x1.2)2 =4.80 m2
02- Living = (0.50x1.6) = 2.40 m2
01-BR = (2x1.2)6 =14.4 m2
Total door area = 13.65m2
01-02 (0.90x2.10)3 = 5.67m2
03 (0.80x2.10)3 = 5.04m2
04 (0.70x2.10)2 = 2.94m2
Net wall area = 281.83 m2
Total wall area = 322 m2
Window area = 26.52 m2
Door area = 13.65 m2
________ = 281.83 m2
MASONRY CHB = 3,525 piecesNet area x 12.50281.83 m2 x 12.5 = 3,523.875 pcs,
Say 3,525 pieces SAND CEMENT (FOR mortar and plaster)By Area Method Refer to table 2-2, Fajardo.
281.83 m2 x 0.522 (Class B)=147.12 bags
Say 148 bags, cement
281.83 m2 x 0.0435 = 12.26 cu.m.
Say 13 cu.m.
Rebars Vertical bars spacing = 0.6m Horizontal bars = every 3 layersRefer to table 3-6(Fajardo)
Vertical bars = 370Kg Area x 2.13 281.83 m2 x 2.13 = 600.3m
Say 601m 601m x 0.616kg/m = 370.22kg
Say 370kg
Horizontal bars = 374kg Area x 2.15 281.83 m2 x 2.15 =605.93 m 605.93 x 0.616kg/m = 373.36kg, say 374 kg Tie wires = 9.0Kg Use 30cm tie wire, gauge #16
(Refer to table 3-6, Fajardo) Area x 0.032 281.83 m2 x 0.032 = 9.02kg.
Summary: Material Cost and Quantity
MATERIALS QUANTITYUNIT
PRICE(Php)
COST(Php)
CHB 3,525pcs 9/pcs 31,725.00 Washed Sand 13m3 800/ m3 10,400.00Cement 148bags 225/Bag 33,300.006m-10mm F steel bar
202pcs 125/pcs 25,250.00
#16 GI Wire 9kg 80/kg 720.00 TOTAL MATERIAL COST FOR WALLING = 101,395.00
MAN POWER, DURATION AND LABOR COSTCOMPUTATION
L. WALLING:Laying of CHB
Total CHB: 3,523 blacksRate : 2 men lay 100 pcs/day
Hence; 3,523 pcs/(50pcs/mday) =70.46 mDay Say 71 mDay
Reinforcement :Total steel bars = 744kgRate: 0.09 MH/kg
Hence; 744kg x 0.09MH/kg =66.96MH, or 8.37mDaySay 9 mDay
Total MDay : 80mDay
Duration = 14 days Man power = 6 men (3 maso, 1 steel fixer, 2 labor)
Labor cost:Steel fixers: 1 x 14 days x 256/day = 3,584.00 mason: 3 x 14 days x 300/day = 12,600.00 Laborers: 2 x 14 days x 256/day = 5,600.00
______________ TOTAL LABOR COST = 21,784.00 Php
DIRECT COST FOR WALLING:
MATERIAL COST = 101,395.00 Php.LABOR COST = 21,784.00 Php.Total direct cost = 123,179.00 Php
U. FINISHING WORKS
MoldingW = 0.08403W = 0.06004W = 0.03608W = 0.11301____________ = 0.293
Using class B mixtureCement : 0.293 x 7.5 = 2.2 bags
Say 3 bags Sand : 0.293 x 0.5 = 0.146cu.m
Say 0.15cu.m
Mactan stone = 1,936 pcs (2” x6” ) Area = 0.30mx 48.5m = 14.55 ( Refer to table 2-11; velasco ) Area x 133 14.55 x133 =1,9135.15pcs.
Say 1,936pcs
Order: 2”x6” Mactan stone - 1,936 pcs
Cement = 5 bags (class B)14.55 x 0.30 = 4.365 bags
Say 5 bagsSand = 0.5 cu.m.14.55 x 0.025 = 0.365 cu.m.
Say 0.50cu.m.Pebble wash-out = 0.6902Area = 0.9x(52m-(3x0.90)) = 44.3720mm thick pebble finishes (white)
44.37 x 0.02 = 0.8874cu.m.
Cement 9 bags 0.6902 x 12 = 8.28 bags
Say 9 bagsPebbles = 0.70cu.m.0.8879cu.m. x 1.0 = 0.8874cu.m.
Say 1 cu.m.Stucco/ anay FinishArea = (2.5m x 52m) – window area – door area = 130 - 26.52 - 13.65Area = 96.33Use 15mm thick any finishing (Refer to table 2-1, FAJARDO) CEMENT = 18bags 96.33 x 0.015 x12 = 17.34bags Say 18 bags Sand = 1.5cu.m. 96.33x0.15x1.0 = 1.44 cu.m.
Say 1.5cu.m.
Summary: Material Cost and Quantity
MATERIALS QUANTITYUNIT PRICE
(Php)COST(Php)
Cement 61bags 225/kg 13,725.00Sand 3.5cu.m. 800/cu.m 2,800.00
Mactan stone 1940pcs 18/pcs 39,920.00Pebbles 1cu.m 1000/cu.m. 1000.00
TOTAL MATERIAL COST FOR FINISHING = 52,445.00 Php
.U. FINISHING WORKS
Man power rate: 0.40MH/Man power: 281.75x0.40MH/ = 15MD Duration: 3 DaysMan power : 5 men (2 mason, 3 labor)
Labor cost:
mason: 2 x 3 days x 300/day = 1,800.00 Laborers: 3 x 3 days x 256/day = 1,800.00
______________ TOTAL LABOR COST = 3,600.00 Php
DIRECT COST FOR WALL:
MATERIAL COST = 52,445php.00 Php.LABOR COST = 3,600.00 Php.Total direct cost = 56,045.00 Php.