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ESTIMATING GUIDE ACTIVITY DETAILS I. EARTHWORK 1.) Compute volume in cubic mete

ESTIMATING GUIDE ACTIVITY DETAILS I. EARTHWORK 1.) Compute volume in cubic meter I.1 Zocalo I.2 Footing I.3 Septic vault I.4 Plumbing I.5 Others II. BACKFILLING 1.) Compute volume in cubic meter 1.1 Pit-run soil 1.2 Gravel III. CONCRETE WORK, SCAFFOLDING & FORMWORK 1.) Compute form wood in board foot 2.) Compute Plywood in pcs. 3.) Compute C.W. nails in kilos = No. of board ft./ 100(0.35) 4.) Compute Portland Cement in bags = Tvol × 9.47 5.) Compute Washed sand in cubic meters = Tvol × 0.42 6.) Compute Washed gravel in cubic meter = Tvol × 0.84 Note: Class “A” mixture IV. MASONRY WORK 1.) Compute total area to be provided with CHB in square meter. 1.1 No. of CHB = Tarea × 12.5 1.2 Cement requirement for Filler (in bags) = Tarea × 0.525 1.3 Washed sand requirement for Filler (in cu.m.) = Tarea × 0.0438 1.4 Cement requirement for CHB plaster one side only (in bags) = Tarea × 0.192 1.5 Washed sand requirement for CHB plaster one side only (in cu.m.) = Tarea × 0.016 Note: Class “B” mixture V. PAINTING MATERIALS TO BE PAINTED 1ST COATING 2ND COATING 1.) Smooth wood 46 m 2 26 m 2 2.) Smooth concrete 33 m 2 19 m 2 3.) Metal 65 m 2 32 m 2 4.) One (1) gal. Thinner per four (4) gal. Paint 5.) Kalsomine powder 6.) Assorted sand paper VI. STEEL WORK 1.) Welding rod in kilos = 10pcs DSB or angle bar per 1kg. welding rod 2.) Compute Purlins, Trusses VII. CARPENTRY WORK 1.) Compute ceiling joist in bd.-ft. 2.) Ceiling board in pcs. 2.1 External ceiling board (Ordinary Plywood) 2.2 Internal ceiling board (Marine Plywood) 3.) Door Jamb 2×6” Lauan 4.) Doors 4.1 Flush Door for C.R. & bedrooms 4.2 Panel Doors for main doors VIII. TINSMITHRY WORK 1.) Compute total area to be roofed 2.) Compute Tek Screw, Nails, etc. 3.) Compute Fascia Board 4.) Compute Ridge Roll 5.) Compute Downspout Note: 1.) Materials breakdown 2.) Labor 30% of Material Cost 3.) Contingency 10% of Material + Labor 4.) Contractors profit 12% of Material + Labor + Equipment Rental 5.) Contractors VAT/TAX 10% of Material + Labor + Equipment Rental 6.) Eng’g & Admin, Project Management & Quality Control 3% of (item 1-5) 7.) PABC 1.5% of Eng’g. & Admin 8.) Equipment Rental 3% of Material cost 9.) Hauling Cost of material (for Hinterlands) 3% of Material Cost DEFORMED STEEL BARS Sizes Wt. in Kg. /Length (6m) 36mm/ 1-3/8” dia. 47.96 32mm/1-1/4” dia. 37.88 28mm/ 1-1/8” dia. 29.99 25mm/ 1” dia. 23.12 22mm/ 7/“dia. 15.46 20mm/ ¾” dia. 14.80 16mm/0.63” dia. 9.47 12mm/ ½“dia. 5.33 10mm/ 0.40” dia. 3.70 8mm/ 5/16“dia. 2.37 6mm/ ¼“dia. 1.33 Project Cost = (Total Material Cost + Labor Cost + Earthwork Cost + Hauling Cost + Miscellaneous + Contingency + Contractors Profit + Contractors Tax) 7% - (BAC Secretariat - Publication) Quality Control = Project Management × 75% Eng’g. Admin Overhead = 1.25% of Project Management TILE GROUT = 0.198 kg. /sq. m. No. of pcs CHB × 0.175 × 2 6 ADMINISTRATION PROJECT 1.) Breakdown of Pre-Eng’g., Project Management & Quality Control & BAC 7% of Mats. to contingency 2.) Materials breakdown 3.) Labor 37% of Total Material Cost 4.) Equipment Rental 2% of Total Material Cost 5.) Material Hauling Cost for Hinterlands (2.5% of Material Cost) 6.) Contingency 3% of Total Material Cost + Labor + Equipment Rental 7.) Pre-Eng’g ( (sum of 1-5 × 7%) - BAC - QC) /2 8.) Project Management ( (sum of 1-5 × 7%) - BAC - QC) /2 9.) Quality Control ( (sum of 1-5 × 7% - BAC) /3) /2 10.) BAC sum of 1-5 × 7% × 4% uploads/Management/ estimating-guide.pdf