MAPUA UNIVERSITY I SCHOOL OF ARCHITECTURE, INTERIOR

DESIGN, AND THE BUILT ENVIRONMENT

COMPUTATIONS OF 16 DIVISIONS
IN PARTIAL COMPLETION OF MODULE 2 IN AR185-1
SAFETY ENGINEERING

ALBITO, ALEXANDRA MARIE C.

2021101903

AR. ARISTEO GARCIA

COURSE PROFESSOR

FEBRUARY 26, 2025

DATE SUBMITTED
PROJECT: PROPOSED TWO-STOREY RESIDENTIAL
WITH DECK FOR MR JOSEPH ABRAHAM FILAMOR
SUBJECT: SUMMARY OF COST ESTIMATES

Item No. Description of Work Amount (Php)

1.0 General Requirements 478,500.00
2.0 Site Works 64,000.00
3.0 Concrete Works 740,000.00
4.0 Masonry Works 86,535.00
5.0 Metal Works 223,527.00
6.0 Wood Works 56,100.00
7.0 Thermal and Moisture Protection 192,450.00
8.0 Doors and Windows 128,700.00
9.0 Finishes 105,960.00
10.0 Plumbing Works 165,620.00
11.0 Electrical Works 95,185.00

Total Direct Cost: 2,336,577.00 Php

• 3% Contingency and Miscellaneous Cost: 70,097.31 Php
• 2% Overhead Cost: 46,731.54 Php
• 5% Contractor's Profit: 116,828.85 Php

GRAND TOTAL: 2,570,234.70 Php

1.0. General Requirements:
A. Mobilization and Demobilization

• Distance of job site from office: 25 km

• Gasoline consumption: 1 liter per 8 km
• Price of gasoline: 50 Php per liter
• Number of working days: 120 days

(25/8)×50×120=187,500 Php(25/8)×50×120=187,500 Php

B. Temporary Facilities

• 35,000 Php

C. Permits, Fees, and Licenses

• 60,000 Php

D. Project Close-Out

• Clean-Up: 40,000 Php

• Occupancy Permit: 12,000 Php
• Guarantee Bond: 35,000 Php
• As-Built Drawings: 7,000 Php
• Total: 94,000 Php

E. Safety and Security

• Security Guard: 120 days × 500 Php = 60,000 Php

• Safety PPE: 2,800 Php × 15 = 42,000 Php
• Total: 102,000 Php

TOTAL for Item 1.0:

• 187,500+35,000+60,000+94,000+102,000=478,500 Php187,500+35,000+60,00
0+94,000+102,000=478,500 Php
2.0. Site Works:
A. Excavation

• Column Footing (2.0 cum x 250) = 500.00 Php

• Wall Footing (16.5 cum x 250) = 4,125.00 Php
• Septic Vault (8.0 cum x 250) = 2,000.00 Php

Total Excavation: 6,625.00 Php

B. Backfilling and Compaction (17.0 cum x 250) = 4,250.00 Php

C. Soil Treatment and Pest Control (85 sqm x 275) = 23,375.00 Php

D. Gravel Fill (12.0 cum x 950) = 11,400.00 Php

E. Site Improvement and Landscaping: OWNER FURNISHED

TOTAL DIRECT COST ON ITEM 2.0 = 45,650.00 Php

TOTAL LABOR COST ON ITEM 2.0 = 18,350.00 Php

TOTAL FOR ITEM 2.0: 64,000.00 Php

3.0. Concrete Works:

A. Concrete Formworks

• Column Footing (27.0 sqm x 1,400) = 37,800.00 Php

• Wall Footing (16.0 sqm x 1,400) = 22,400.00 Php
• Columns (32.5 sqm x 1,400) = 45,500.00 Php
• Concrete Beams (16.0 sqm x 1,400) = 22,400.00 Php
• Tie Beams (23.0 sqm x 1,400) = 32,200.00 Php
• Slab on Grade (42.0 sqm x 1,400) = 58,800.00 Php
• Septic Vault (16.0 sqm x 1,400) = 22,400.00 Php

B. Steel Reinforcement

• 16mm dia. rebars: 30 Php per kg

o Column Footing (430 kgs x 30) = 12,900.00 Php
o Wall Footings (430 kgs x 30) = 12,900.00 Php
 o Columns (770 kgs x 30) = 23,100.00 Php
o Concrete Beams (470 kgs x 30) = 14,100.00 Php
o Tie Beams (450 kgs x 30) = 13,500.00 Php
o Septic Vault (3 kgs x 30) = 90.00 Php
• 12mm dia. rebars: 27 Php per kg
o Slab on Grade (1,700 kgs x 27) = 45,900.00 Php
• 10mm dia. temp. bars: 24 Php per kg
o Column Footings (350 kgs x 24) = 8,400.00 Php
o Wall Footings (280 kgs x 24) = 6,720.00 Php
o Columns (570 kgs x 24) = 13,680.00 Php
o Concrete Beams (400 kgs x 24) = 9,600.00 Php
o Tie Beams (520 kgs x 24) = 12,480.00 Php
o Septic Vault (2 kgs x 24) = 48.00 Php

C. Concreting

• Portland Cement: 275 Php per bag

o Column Footings (35 bags x 275) = 9,625.00 Php
o Wall Footings (40 bags x 275) = 11,000.00 Php
o Columns (20 bags x 275) = 5,500.00 Php
o Concrete Beams (8 bags x 275) = 2,200.00 Php
o Tie Beams (15 bags x 275) = 4,125.00 Php
o Slab on Grade (120 bags x 275) = 33,000.00 Php
o Septic Vault (80 bags x 275) = 22,000.00 Php
• White Sand: 800 Php per cum
o Column Footings (2.0 cum x 800) = 1,600.00 Php
o Wall Footings (2.5 cum x 800) = 2,000.00 Php
o Columns (1.0 cum x 800) = 800.00 Php
o Concrete Beams (0.4 cum x 800) = 320.00 Php
o Tie Beams (0.8 cum x 800) = 640.00 Php
o Slab on Grade (9.0 cum x 800) = 7,200.00 Php
o Septic Vault (4.0 cum x 800) = 3,200.00 Php
• G1 Gravel: 950 Php per cum
o Column Footings (3.8 cum x 950) = 3,610.00 Php
o Wall Footings (5.0 cum x 950) = 4,750.00 Php
o Columns (2.0 cum x 950) = 1,900.00 Php
o Concrete Beams (0.7 cum x 950) = 665.00 Php
o Tie Beams (1.6 cum x 950) = 1,520.00 Php
o Slab on Grade (18.5 cum x 950) = 17,575.00 Php
o Septic Vault (8.0 cum x 950) = 7,600.00 Php

TOTAL DIRECT COST ON ITEM 3.0: 510,000.00 Php

TOTAL LABOR COST ON ITEM 3.0: 230,000.00 Php
TOTAL FOR ITEM 3.0: 740,000.00 Php

4.0. Masonry Works:

8” x 16” x 6” CHB: Fortune CHB — 42 Php per piece
8” x 16” x 4” CHB: Golden Rock CHB — 37 Php per piece
Cement: Holcim Cement — 280 Php per bag
Sand: Rizal River Sand — 820 Php per cum
12mm dia. Steel: SteelAsia Rebars — 30 Php per kg
10mm dia. Steel: Pag-asa Steel — 27 Php per kg

A. 8” x 16” x 6” CHB

• CHB (800 pcs x 42) = 33,600.00 Php

• Cement (32 bags x 280) = 8,960.00 Php
• Sand (2.8 cum x 820) = 2,296.00 Php
• 12mm dia. Steel (110 kgs x 30) = 3,300.00 Php

B. 8” x 16” x 4” CHB

• CHB (260 pcs x 37) = 9,620.00 Php

• Cement (8 bags x 280) = 2,240.00 Php
• Sand (0.7 cum x 820) = 574.00 Php
• 10mm dia. Steel (35 kgs x 27) = 945.00 Php

TOTAL DIRECT COST ON ITEM 4.0: 61,535.00 Php

TOTAL LABOR COST ON ITEM 4.0: 25,000.00 Php

TOTAL FOR ITEM 4.0: 86,535.00 Php

5.0. Metal Works:

A. Roofing Materials

• SteelTech Rib Roof Sheets (45 sqm x 950) = 42,750.00 Php

• Oasis Pre-painted Gutter (10 pcs x 2,900) = 29,000.00 Php
• Aluminum Flashing (7 pcs x 550) = 3,850.00 Php
• DN Ridge Roll Colorlume (7 pcs x 4,200) = 29,400.00 Php

B. Trusses and Rafters

 • 2” x 2” x 1/4” SteelAsia Angle Bar (12 pcs x 750) = 9,000.00 Php
• 2” x 2” x 3/16” Pag-asa Angle Bar (4 pcs x 520) = 2,080.00 Php

C. Hardware Materials

• Bosch Teckscrew #12 (170 pcs x 1.10) = 187.00 Php

• Apollo C-Purlins 50mm x 100mm (45 pcs x 620) = 27,900.00 Php
• PowerPro Gusset Plate (26 pcs x 475) = 12,350.00 Php
• Tiger Rivets (3 cans x 850) = 2,550.00 Php
• 4” CW Nails (2 kegs x 600) = 1,200.00 Php
• 3” CW Nails (2 kegs x 350) = 700.00 Php
• 2” CW Nails (2 kegs x 280) = 560.00 Php

TOTAL DIRECT COST ON ITEM 5.0: 161,527.00 Php

TOTAL LABOR COST ON ITEM 5.0: 62,000.00 Php

TOTAL FOR ITEM 5.0: 223,527.00 Php

6.0. Wood Works:

A. Ceiling Works

• Ceiling Nailers (220 bf x 45) = 9,900.00 Php

• Santa Clara Plywood — 4’ x 8’ x 1/4" (20 pcs x 550) = 11,000.00 Php

B. Door Jambs

• 2” x 6” Matwood Premium Primecoat Door Jambs (6 sets x 3,200)

= 19,200.00 Php

TOTAL DIRECT COST ON ITEM 6.0: 40,100.00 Php

TOTAL LABOR COST ON ITEM 6.0: 16,000.00 Php

TOTAL FOR ITEM 6.0: 56,100.00 Php

7.0. Thermal and Moisture Protection:

Elastomeric Waterproofing: Davies AquaShield — 720 Php per gal
Thinner: Boysen Paint Thinner — 470 Php per gal
Neutralizer: Rain or Shine Neutralizer — 520 Php per liter

A. Waterproofing

• (55 sqm x 950) = 52,250.00 Php

B. Damp proofing

• (160 sqm x 520) = 83,200.00 Php

TOTAL DIRECT COST ON ITEM 7.0: 135,450.00 Php

TOTAL LABOR COST ON ITEM 7.0: 57,000.00 Php

TOTAL FOR ITEM 7.0: 192,450.00 Php

8.0. Doors and Windows:

A. Doors

• HDF Wood Door by Kentwood — “Paris” (1 unit x 8,500 Php) = 8,500.00 Php
• Solid Core Door by Jeld-Wen — “Ohio with Glass Provision” (1 unit x 10,200
Php) = 10,200.00 Php
• Mahogany Flush Door by P-Tech — “Indiana” (3 units x 8,300 Php)
= 24,900.00 Php
• Polycarbonate PVC Door by Titan (1 unit x 1,900 Php) = 1,900.00 Php

B. Windows

• Fixed Windows by Alumax

o W1: (4 units x 2,800 Php) = 11,200.00 Php
• Casement Windows by Fenestram
o W2: (2 units x 8,500 Php) = 17,000.00 Php
o W3: (1 unit x 4,200 Php) = 4,200.00 Php
o W4: (1 unit x 8,300 Php) = 8,300.00 Php
• Louver Windows by Vista Glass
o W5: (1 unit x 850 Php) = 850.00 Php
o W6: (1 unit x 1,650 Php) = 1,650.00 Php
TOTAL DIRECT COST ON ITEM 8.0: 88,700.00 Php
TOTAL LABOR COST ON ITEM 8.0: 40,000.00 Php

TOTAL FOR ITEM 8.0: 128,700.00 Php

9.0. Finishes:
A. Walls

• Nippon Paint
o Permacoat Flat Latex (16 gals x 500 Php) = 8,000.00 Php
o Satin Paint (25 gals x 670 Php) = 16,750.00 Php
o Tinting Color — Hansa Yellow (10 qts x 150 Php) = 1,500.00 Php
• Stone Works by StoneDepot
o Dry Stack Ledge Stone (84 pcs x 45 Php) = 3,780.00 Php
o Halifax Stone (21 pcs x 20 Php) = 420.00 Php

B. Floorings

• Davies Paints
o Permacoat Flat Latex (0.5 gals x 500 Php) = 250.00 Php
• Tile Works by Eurotiles
o 0.4m x 0.4m Liberty Ochre (54 pcs x 80 Php) = 4,320.00 Php
o 0.4m x 0.4m Yakal (102 pcs x 75 Php) = 7,650.00 Php
o 0.3m x 0.3m Escolta Spot Red (121 pcs x 45 Php) = 5,445.00 Php
o 0.3m x 0.3m Escolta Beige (181 pcs x 45 Php) = 8,145.00 Php
o 0.3m x 0.3m Hacienda Blue (13 pcs x 45 Php) = 585.00 Php
o 0.6m x 0.6m Jamaican Cream (24 pcs x 210 Php) = 5,040.00 Php

C. Others

• ABC Tile Adhesive Pro (5 bags x 700 Php) = 3,500.00 Php

• Mighty Paint Brushes
o 2 1/2" Paint Brush (15 pcs x 70 Php) = 1,050.00 Php
o 4” Paint Brush (20 pcs x 140 Php) = 2,800.00 Php

TOTAL DIRECT COST ON ITEM 9.0: 72,960.00 Php

TOTAL LABOR COST ON ITEM 9.0: 33,000.00 Php
TOTAL FOR ITEM 9.0: 105,960.00 Php

10.0. Plumbing Works:

A. Toilet and Bath Fixtures by Kohler

• Belfair Elongated Water Closet — white = 22,000.00 Php

• Veer Pedestal Lavatory — white = 6,800.00 Php
• Hourglass Alcove Bathtub — white = 28,000.00 Php

B. Toilet and Bath Accessories by Toto

• Full set = 22,000.00 Php

C. Pipes

• Cold Water Line by Emerald APO G.I. Pipes = 1,800.00 Php

• Sewage Line by Crown Imperial PVC Pipes = 12,000.00 Php
• P-Traps by Crown Imperial (6 pcs x 170 Php) = 1,020.00 Php

D. Valves and Faucets by Delta = 20,000.00 Php

E. Solvent Cement by Blue Magic = 1,000.00 Php

TOTAL DIRECT COST ON ITEM 10.0: 113,620.00 Php

TOTAL LABOR COST ON ITEM 10.0: 52,000.00 Php

TOTAL FOR ITEM 10.0: 165,620.00 Php

11.0. Electrical Works:

A. Wires and Cables

• Phelps Dodge THHN wire #2.0mm (100 lm x 20 Php) = 2,000.00 Php

• Phelps Dodge THHN wire #125sqmm (65 lm x 850 Php) = 55,250.00 Php
• Phelps Dodge THHN wire #14sqmm (23 lm x 100 Php) = 2,300.00 Php

B. Boxes and Conduit Pipes by PowerFlex = 2,000.00 Php

C. Wiring Devices by Panasonic

 • Single C.O. with cover (4 sets x 60 Php) = 240.00 Php
• Double C.O. with cover (6 sets x 150 Php) = 900.00 Php
• One-way Switch (3 sets x 60 Php) = 180.00 Php
• Two-way Switch (3 sets x 95 Php) = 285.00 Php
• Switch Dimmer (6 sets x 260 Php) = 1,560.00 Php
• Switch Push Button for doorbell = 450.00 Php

D. Panel Board by Schneider Electric = 2,000.00 Php

TOTAL DIRECT COST ON ITEM 11.0: 65,185.00 Php

TOTAL LABOR COST ON ITEM 11.0: 30,000.00 Php

TOTAL FOR ITEM 11.0: 95,185.00 Php