TECHNICAL CALCULATION AND ESTIMATOR'S MAN-HOUR MANUAL
by: Marko Bulic
ERECTION OF EQUIPMENT IN PETROCHEMICAL INDUSTRY
1. STATIONARY EQUIPMENT
- 1.1 ALL EQUIPMENT TO 0,5 TON
- 1.2 TOWERS above 0,5 TON
- 1.3 TOWERS CONSISTING OF MORE PIECES
- 1.4 PACKAGE UNIT
- 1.5 OTHER EQUIPMENT
- 1.6 BRIDGE CRANES
- 1.7 LIFTS
- 1.8 ELECTROSTATIC PRECIPITATORS
- 1.9 MARINE LOADING ARMS
2. ROTARY EQUIPMENT
- 2.1 CENTRIFUGAL PUMPS
- 2.1.1 MAN HOURS BASED ON POWER [kW]
- 2.1.2 MAN HOURS BASED ON WEIGHT [kg]
- 2.1.3 MAN HOURS BASED ON THE CAPACITY
- 2.2 COMPRESSORS
- 2.2.1 COMPRESSORS DRIVEN BY ELECTRIC MOTOR
- 2.2.2 COMPRESSORS DRIVEN BY GAS TURBINE
3 . TOWERS & VESSELS - INSTALLATION OF INTERIOR COMPONENTS & EQUIPMENT
- 3.1 INSTALLATION OF TRAYS AND DEMISTERING PADS
- 3.2 VESSELS & TOWER PACKINGS
- 3.3 OPENING AND CLOSING OF MANHOLES
- 3.4 ERECTION OF PLATFORMS, LADDERS AND FLOOR GRIDS
4. EQUIPMENT SCAFFOLDING
- 4.1 TUBULAR SCAFFOLD
- 4.2 PATENT SCAFFOLDING
Productivity Efficiency Percentage (PEP) = 75%
1. STATIONARY EQUIPMENT (towers, heat exchangers, reactors, regenerators, small stor tanks, air coolers, etc.) These man hours include the erection of equipment delivered as a whole or in completed but not fully assembled because of their overall dimensions (transport).
Man hours include:
- Unloading
- Hauling from storage to the place of erection
- Hoisting by usual hoisting means
- Putting up to the design elevation
- Positioning of connection points
- Position inspection