PROPOSED 2-STOREY RESIDENTIAL BUILDING
COMPUTATION SHEET
Description L= Length W= D= Unit of Q= Total
Width Depth Measure Quantity
C1 2.70 0.30 0.30 m 12 2.916 m3
F1 1.60 1.60 0.30 m 12 9.216 m3
WF1 3.00 0.40 0.90 m 1.08 m3
WF2 2.00 0.40 0.90 m 0.72 m3
WF3 2.70 0.40 0.90 m 0.972 m3
WF4 2.50 0.40 0.90 m 0.90 m3
B1 1.40 0.40 0.40 m 2 0.448 m3
B2 2.40 0.40 0.40 m 4 1.536 m3
B3 2.90 0.40 0.40 m 2 0.928 m3
B4 1.90 0.40 0.40 m 2 0.608 m3
B5 1.80 0.40 0.40 m 2 0.576 m3
B6 3.6 0.40 0.40 m 1 0.576m3
BTOTAL 4.672 m3
SLAB-ON-GRADE 12.9 4.25 0.20 m 10.96 m3
GROUND FLOOR & SECOND L= Length W= Unit of Q= Total
FLOOR Width Measure Quantity
EXTERIOR WALL AREA
W1 2.70 2.70 m 6 43.74 sq.m
W2 1.70 2.70 m 2 9.18 sq.m
W3 2.55 2.70 m 2 6.88 sq.m
GROUND FLOOR
INTERIOR
WALL AREA
W1 2.00 2.70 m 1 5.40 sq.m
W2 1.00 2.70 m 1 2.70 sq.m
2ND FLOOR INTERIOR
WALL AREA
W1 1.00 2.40 m 3 7.20 sq.m
W2 2.00 2.40 m 2 9.60 sq.m
W3 0.70 2.40 m 1 1.68 sq.m
W4 1.50 2.40 m 1 3.60 sq.m
W5 2.30 2.40 m 1 5.52 sq.m
W6 3.30 2.40 m 1 7.92 sq.m
TOTAL WALL AREA 83.58 sq.m
OPENINGS L= Length W= Unit of Q= Total
Width Measure Quantity
D1 2.10 1.00 m 1 2.10 sq.m
D2 2.10 0.75 m 2 1.575 sq.m
D3 2.10 0.80 m 2 3.36 sq.m
D4 2.00 0.90 m 3 5.40 sq.m
W1 1.40 1.20 m 1 1.68 sq.m
W2 1.60 0.60 m 1 0.96 sq.m
W3 1.50 0.80 m 1 1.20 sq.m
W4 1.00 1.00 m 2 2.00 sq.m
W5 1.40 1.50 m 1 2.10 sq.m
W6 1.10 0.80 m 1 0.88 sq.m
W7 3.80 0.70 m 1 2.66 sq.m
W8 1.20 1.70 m 1 2.04 sq.m
W9 1.10 1.30 m 2 2.86 sq.m
W10 1.00 2.00 m 1 2.00 sq.m
W11 1.20 1.00 m 2 3.20 sq.m
W12 1.10 1.20 m 1 1.32 sq.m
TOTAL OPENINGS AREA 35.335 sq.m
TOTAL WALL AREA - TOTAL OPENINGS AREA = 83.58 sq.m - 35.335 sq.m 50. 245 sq.m
BACKFILL C1+CF1 + WF1+WF2+WF3+WF4 15.804
CONCRETE
4,000 PSI CLASS AAA 1:1:3
COLUMN C = 2.916 x 1.4 = 5 BAGS
S = 2.916 x 0.31 = 0.904 CU.M
G = 2.196 x 0.92 = 2.683 CU.M
BEAM C = 4.672 x 1.4 = 7 BAGS
S = 4.672 x 0.31 = 1.448 CU.M
G = 4.672 x 0.92 = 4.298 CU .M
TOTAL C= 12 BAGS
S= 2.352 CU.M
G=6.981 CU.M
3,000 PSI CLASS AA 1:1/2:3
FOOTING C = 9.216 x 12 = 110 BAGS
S = 9.216 x 0.42 = 3.87 CU.M
G= 9.216 x 0.54 = 4.97 CU.M
2,500 PSI CLASS A 1:2:4
SLAB-ON-GRADE C= 10.96 x 7.50 = 83 BAGS
S= 10.96 x 0.50 = 5.48 CU.M
G=10.96 x 1.00 = 10.96 CU.M
FORMWORKS
MASONRY
CHB # 150 mm thK
A1= (4.70) (13.50) = 63.45 SQ.M
A2= (2)(3) = 6.00 SQ.M
WALL AREA = 69.45 SQ.M - (TOTAL COLUMNS AREA)
TOTAL WALL AREA = 69.45 - (0.3 X 0.3 X 12)
= 69.45 - 9.72
= 59.73 SQ.M
12.5 = 1 SQ.M
NO. OF CHB= 59.73 x 12.5 = 747 PCS OF. CHB
CHB # 100 MM ThK
TOTAL WALL AREA = 8.10 SQ.M
NO. OF CHB = 8.10 X 12.5 = 102 CHB
MORTAR
V2 = HEIGHT OF WALL/ HEIGHT OF CHB
= 2.7 / 0.20
= 0.17981
V3 = NO. OF CHB X VOLUME OF CHB HOLES
= (747 + 102) X 0.003
= 2.547
VTOTAL = V2 + V3 = 0.17981 + 2.547 = 2.72 SQ.M
CLASS B
CEMENT = 2.72 x 12 = 33 BAGS
SAND = 2.472 CU.M
PLASTER
TOTAL AREA OF WALL x THK OF PLASTER x NO. OF SIDES
(59.73 + 8.10) (0.016) (2)
= 1.91 CU.M
CLASS A
CEMENT = 1.91 x 7.5 = 15 BAGS
SAND = 1.91 x 1 = 1.91 CU.M
CEILING WORKS
4.70 A1= (4.70) (10.50) = 49.35 SQ.M
A2 = (2)(3) = 6.00 SQ.M
TOTAL CEILING AREA = 55.35 SQ.M
10.50 PLYWOOD = 2.88 SQ.,
A1
NO. OF PLYWOOD = 69.45/ 2.88 = 20 PCS.
3.00
A2
2.00
FINISHES
FLOOR FINISH
F1 = (4.70- 0.30) (10.50- 0.30) = 48.75 SQ.M
0.45 X 0.45 M FLOOR TILE
10.5 NO. OF TILES = 48.75/ (0.45 x 0.45) = 241 TILES
0.15 X 0.20 M T&B (2NDFLR.) FLOOR TILES
NO. OF TILES = (1.8 x 2.00) / (0.15 X0.2) = 120 TILES
WALL FINISH
W1 = 1.80 (1.80) = 3.24
W2 - 2.00 (1.80) = 3.6 (2)
TOTAL = 9.18 SQ.M
0.15 X 0.15 M WALL TILE
NO. OF TILES = 9.18 / (0.15X0.15) = 408 TILES
PAINTING
TOTAL WALL AREA = 59. Q SQ.M
1ST COAT = 20 SQ.M: 1 GAL 59.8 SQM/ 20 = 3 GAL.
2ND COAT = 25 SQ.M : 1 GAL 59.8 / 25 = 3 GAL
3RD COAT 30 SQ.M : 1GAL 59.8 / 30 = 2 GAL
NEUTRALIZER = 20 SQ.M : 1 GAL 59.8 / 20 = 3 GAL
REBARS SPACED @ 300 MM O.C
H= 12.90 / 0.30 = 43
V= 4.25 / 0.30 = 15
TOTAL = 58 m
NO. 0F REBARS = 58 / 6 = 8 - 12 mm x 6 mm
TIE WIRES
VERTICAL (V) = (4.25) (12.90) = 54.82 SQ.M
HORIZONTAL (H) = (1.4)(2.55)) = 3.57 SQ.M
WALL AREA = 58. 40 SQ.M
1KG : 0.24 CM
58.40 x 0.024 = 1.40 KGS. # 16-G.I wire
