2. INPUT: OUTPUT:
Data Contoh Proteksi Katodik dengan Coating PERHITUNGAN
CONDITION PRIMER
Area (m^2) 1000
Volume Solid (%): TSR (m^2/lt)
* Primer Coat 60 10
* Intermediate Coat 66.7 WFT (mikron)
* Top Coat 60 120
Dry Film Thickness, DFT (mikron): Consumption Factor, CF
* Primer Coat 60 2
* Intermediate Coat 100 Practical consumption (litre)
* Top Coat 30 200
Maximum Thinner (%) 20
Loss Factor (%) 50
Abrasive Consumption (kg/m^2) 50
INTERMEDIATE
COST
Paint (Rp/lt): TSR (m^2/lt)
* Primer Coat 80000 7
* Intermediate Coat 80000 WFT (mikron)
* Top Coat 120000 180
Thinner (Rp/lt): Consumption Factor, CF
* Primer Coat 20000 2
* Intermediate Coat 20000 Practical consumption (litre)
* Top Coat 30000 300
Abrasive (Rp/kg):
*Sand 1000
Equipment (Rp/day):
* Blasting 400000
* Coating 300000 TOP
* PPE 50000
Manpower (Rp/day): Total: TSR (m^2/lt)
* Blaster 100000 4 20
* Painter 100000 1 WFT (mikron)
* Helper 50000 1 60
* Inspector 400000 1 Consumption Factor, CF
Miscellaneous (Rp/day): 1 2
* Consumable 50000 Practical consumption (litre)
100
PROFIT (%) 10

3. WORK SPEED (m^2/day) 10
OUTPUT:
COST OF PROJECT
Material Consumption
Unit Price of Paint (Rp/litre) Thinner (litre) Price of Thinner (Rp/litre) Cost Total (Rp)
(Paint+Thinner) Paint
Primer 200 160 litre 80000 40 20000 13,600,000
Intermediate 300 240 litre 80000 60 20000 20,389,805
Top 100 80 litre 120000 20 30000 10,200,000
Total (Rp) 44,189,805
Abrasive Unit (Rp/kg)
50 kg/m^2 50000 kg 1000 50,000,000
Equipment Unit (Rp)
Blasting 100 day 40 4,000
Coating 100 day 30 3,000
PPE 100 day 5 500
Total (Rp) 7,500
Manpower Unit (Rp/day)
Blaster 4 person 100000 40,000,000
Painter 1 person 100000 10,000,000
Helper 1 person 50000 5,000,000
Inspector 1 person 400000 40,000,000
Total (Rp) 95,000,000
Miscellaneous Unit (Rp)
Consumables 100 day 50000 5000000
Profit 10 % 194197305 19419731
TOTAL COST (Rp) 213,617,036

4. PAINTING SPECIFICATION
Date: Project: Owner:
Sub Contractor: Company: Superintendent:
Thinner
Areal Preparation and System per Area No. of square meter Component DFT (micron) WFT (micron) Nozzle Pressure bar Overcoat at time hrs Dust dry after hrs
(%) Type Mixing Type Cleaning

5. DAILY INSPECTION REPORT
PROJECT: DATE: REPORT:
CONTRACTOR: SPECIFICATION: LOCATION:
AMBIENT CONDITION: SURFACE PREPARATION:
Time hrs □ Sand Blast □ Sa 1 □ Sa 2 □ Sa 2 1/2 □ Sa 3
Air Temp (C)
Wet Bulb Temp(C) □ Mechanical
Relative Humidity (%)
Steel Temp (C) □ Water Jet
Dew Point (C)
Comment: PROFILE:
Min Max Average Micron
Abrasive Type Grade/Mass
Paint
Area/Item Blasted Area/Item Coated No. of Coat Batch No. WFT DFT Total (lt)
Code Name
EQUIPMENT:
□ Generator □ Compressor □ Blast Pots □ Airless Spray □ Conventional Spray
Nozzle Remarks:
Pressure
Comment:
Contractor QC, Surveyor, Coating Inspector,
Abrianto Akuan